/* 语言切换组件样式 */
.language-switch {
  position: fixed;
  top: 15px;
  right: 175px;
  z-index: 10000;
}

/* 在封面页的动画效果 */
.hero-cover ~ * .language-switch,
.landing-page .language-switch {
  animation: languageFadeIn 1.5s ease-out 2s backwards;
}

@keyframes languageFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 语言按钮 */
.language-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(30, 35, 60, 0.8);
  border: 1px solid rgba(0, 170, 255, 0.3);
  border-radius: 25px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  outline: none;
}

.language-button:hover {
  background: rgba(30, 35, 60, 0.95);
  border-color: rgba(0, 170, 255, 0.6);
  box-shadow: 0 6px 20px rgba(0, 170, 255, 0.3);
  transform: translateY(-2px);
}

.language-button:active {
  transform: translateY(0);
}

.language-icon {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: #00aaff;
  transition: transform 0.3s ease;
}

.language-button:hover .language-icon {
  transform: rotate(180deg);
}

.language-text {
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 13px;
}

/* 语言菜单 */
.language-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: rgba(30, 35, 60, 0.95);
  border: 1px solid rgba(0, 170, 255, 0.3);
  border-radius: 15px;
  overflow: hidden;
  backdrop-filter: blur(15px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  min-width: 140px;
  animation: menuSlideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10001;
}

@keyframes menuSlideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 语言选项 */
.language-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  transition: all 0.2s ease;
  position: relative;
}

.language-option:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.language-option:hover {
  background: rgba(0, 170, 255, 0.1);
  color: #ffffff;
}

.language-option.active {
  background: rgba(0, 170, 255, 0.15);
  color: #00aaff;
  font-weight: 600;
}

.option-flag {
  font-size: 18px;
  line-height: 1;
}

.option-text {
  flex: 1;
  letter-spacing: 0.3px;
}

.language-option i {
  font-size: 16px;
  color: #00aaff;
  margin-left: auto;
}

/* 遮罩层 */
.language-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: transparent;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .language-switch {
    top: 20px;
    right: 20px;
  }

  .language-button {
    padding: 8px 14px;
    font-size: 12px;
  }

  .language-icon {
    font-size: 16px;
  }

  .language-text {
    font-size: 12px;
  }

  .language-menu {
    min-width: 120px;
  }

  .language-option {
    padding: 10px 14px;
    font-size: 13px;
  }

  .option-flag {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .language-switch {
    top: 15px;
    right: 15px;
  }

  .language-button {
    padding: 7px 12px;
    gap: 6px;
  }

  .language-icon {
    font-size: 15px;
  }

  .language-text {
    font-size: 11px;
  }

  .language-menu {
    min-width: 110px;
  }

  .language-option {
    padding: 9px 12px;
    font-size: 12px;
    gap: 8px;
  }

  .option-flag {
    font-size: 15px;
  }

  .language-option i {
    font-size: 14px;
  }
}

/* Login-page light variant */
.access-gate .language-switch { top: 20px !important; right: 24px !important; }
.access-gate .language-button {
  min-height: 42px !important; padding: 0 15px !important; gap: 7px !important;
  color: #4f5965 !important; background: rgba(255, 255, 255, 0.9) !important;
  border: 1px solid #dce3ec !important; border-radius: 21px !important;
  box-shadow: 0 4px 16px rgba(37, 55, 84, 0.07) !important;
  backdrop-filter: blur(16px) saturate(150%) !important;
}
.access-gate .language-button:hover {
  color: var(--hm-blue) !important; background: #fff !important;
  border-color: #aac6ec !important; box-shadow: 0 8px 22px rgba(37, 55, 84, 0.11) !important;
  transform: translateY(-1px) !important;
}
.access-gate .language-button:active { transform: translateY(0) !important; }
.access-gate .language-icon { color: var(--hm-blue) !important; font-size: 18px !important; }
.access-gate .language-button:hover .language-icon { transform: rotate(16deg) !important; }
.access-gate .language-text {
  color: inherit !important; font-size: 12px !important;
  font-weight: 650 !important; letter-spacing: 0.045em !important;
}
.access-gate .language-menu {
  top: calc(100% + 8px) !important; min-width: 150px !important; padding: 6px !important;
  color: var(--hm-ink) !important; background: rgba(255, 255, 255, 0.98) !important;
  border: 1px solid #dce3ec !important; border-radius: 14px !important;
  box-shadow: 0 18px 42px rgba(37, 55, 84, 0.14) !important;
  backdrop-filter: blur(20px) saturate(150%) !important;
}
.access-gate .language-option {
  min-height: 42px !important; padding: 9px 11px !important;
  color: #4f5965 !important; border: 0 !important; border-radius: 9px !important;
}
.access-gate .language-option:not(:last-child) { border-bottom: 0 !important; }
.access-gate .language-option:hover { color: var(--hm-blue) !important; background: #f2f7ff !important; }
.access-gate .language-option.active {
  color: var(--hm-blue) !important; background: #eaf2ff !important; font-weight: 650 !important;
}
.access-gate .language-option i { color: var(--hm-blue) !important; }
.access-gate .option-flag {
  display: grid !important; place-items: center !important;
  width: 26px !important; height: 26px !important;
  background: #fff !important; border: 1px solid #e3e8ef !important;
  border-radius: 8px !important; font-size: 15px !important;
}

@media (max-width: 600px) {
  .access-gate .language-switch { top: 12px !important; right: 12px !important; }
  .access-gate .language-button {
    min-width: 40px !important; min-height: 40px !important;
    justify-content: center !important; padding: 0 11px !important;
  }
  .access-gate .language-text { display: none !important; }
}


/* 登录页面样式 */

/* 登录方式切换按钮 */
.login-method-toggle {
  display: flex;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 4px;
  width: 100%;
}

.login-method-toggle button {
  flex: 1;
  background: none;
  border: none;
  padding: 10px 15px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.login-method-toggle button.active {
  background: rgba(88, 101, 242, 0.7);
  color: white;
  box-shadow: 0 2px 10px rgba(88, 101, 242, 0.3);
}

.login-method-toggle button:hover:not(.active) {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
}

/* 表单组样式优化 */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: rgba(88, 101, 242, 0.8);
  box-shadow: 0 0 0 2px rgba(88, 101, 242, 0.25);
}

.form-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 输入框和按钮组合 */
.input-with-button {
  display: flex;
  gap: 10px;
}

.input-with-button .form-input {
  flex: 1;
}

.send-code-btn {
  background: rgba(88, 101, 242, 0.7);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0 15px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.send-code-btn:hover:not(:disabled) {
  background: rgba(88, 101, 242, 0.9);
}

.send-code-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 提交按钮 */
.key-submit {
  width: 100%;
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.9), rgba(101, 88, 245, 0.9));
  color: white;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(88, 101, 242, 0.3);
}

.key-submit:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(88, 101, 242, 1), rgba(101, 88, 245, 1));
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(88, 101, 242, 0.4);
}

.key-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.key-submit .arrow-icon {
  font-style: normal;
  transition: transform 0.3s ease;
}

.key-submit:hover:not(:disabled) .arrow-icon {
  transform: translateX(3px);
}

/* 页脚样式 */
.gate-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.toggle-auth-btn {
  background: none;
  border: none;
  color: rgba(88, 101, 242, 1);
  font-weight: 500;
  cursor: pointer;
  padding: 0 5px;
  transition: all 0.3s ease;
}

.toggle-auth-btn:hover {
  color: rgba(88, 101, 242, 0.8);
  text-decoration: underline;
}

/* 提示信息样式 */
.auth-success, 
.auth-error {
  margin-bottom: 1rem;
  padding: 10px;
  border-radius: 8px;
  text-align: center;
  font-size: 0.9rem;
}

.auth-success {
  background: rgba(46, 213, 115, 0.15);
  color: #2ed573;
  border: 1px solid rgba(46, 213, 115, 0.3);
}

.auth-error {
  background: rgba(255, 71, 87, 0.15);
  color: #ff4757;
  border: 1px solid rgba(255, 71, 87, 0.3);
}

.code-hint {
  margin-top: 6px;
  font-size: 0.8rem;
  color: rgba(88, 101, 242, 0.8);
}

/* 卡片样式增强 */
.gate-card {
  backdrop-filter: blur(10px);
}

.gate-card-inner {
  padding: 2rem;
  background: rgba(13, 17, 23, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

/* 特色标签容器 */
.feature-badges {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.feature-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.15), rgba(101, 88, 245, 0.15));
  border: 1px solid rgba(88, 101, 242, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  cursor: default;
}

.feature-badge i {
  font-size: 1.1rem;
  color: rgba(88, 101, 242, 1);
  animation: pulse 2s ease-in-out infinite;
}

.feature-badge:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.25), rgba(101, 88, 245, 0.25));
  border-color: rgba(88, 101, 242, 0.5);
  box-shadow: 0 4px 15px rgba(88, 101, 242, 0.3);
}

/* 标语文字增强 */
.gate-tagline {
  font-size: 1.1rem;
  background: linear-gradient(135deg, #a8b2ff, #c7d0ff, #a8b2ff);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease infinite;
  font-weight: 500;
  text-align: center;
  margin-top: 1rem;
  letter-spacing: 0.5px;
}

/* 渐变移动动画 */
@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* 淡入上移动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 脉冲动画 */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* Logo容器装饰增强 */
.gate-logo-container {
  position: relative;
  margin-bottom: 2rem;
  text-align: center;
}

.gate-logo-container::before,
.gate-logo-container::after {
  content: '';
  position: absolute;
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(88, 101, 242, 0.5), transparent);
  top: 50%;
  animation: lineGlow 2s ease-in-out infinite;
}

.gate-logo-container::before {
  left: -120px;
}

.gate-logo-container::after {
  right: -120px;
}

@keyframes lineGlow {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}

/* 卡片入场动画 */
.gate-card {
  animation: cardSlideIn 0.6s ease-out;
}

@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 输入框聚焦时的光效 */
.form-input:focus {
  outline: none;
  border-color: rgba(88, 101, 242, 0.8);
  box-shadow: 0 0 0 2px rgba(88, 101, 242, 0.25), 0 0 15px rgba(88, 101, 242, 0.15);
}

/* 按钮波纹效果 */
.key-submit {
  position: relative;
  overflow: hidden;
}

.key-submit::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.key-submit:active::before {
  width: 300px;
  height: 300px;
}

/* 悬浮装饰元素 */
.gate-container::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(88, 101, 242, 0.1), transparent);
  border-radius: 50%;
  top: -150px;
  right: -100px;
  pointer-events: none;
  animation: float 6s ease-in-out infinite;
}

.gate-container::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(101, 88, 245, 0.1), transparent);
  border-radius: 50%;
  bottom: -100px;
  left: -50px;
  pointer-events: none;
  animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

/* 响应式调整 */
@media (max-width: 768px) {
  .feature-badges {
    gap: 0.5rem;
  }
  
  .feature-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }
  
  .gate-tagline {
    font-size: 0.95rem;
  }
  
  .gate-logo-container::before,
  .gate-logo-container::after {
    display: none;
  }
}

/* 适应浏览器界面大小的自适应与整体缩减样式 */

.access-gate {
  overflow: hidden !important;
}

.access-gate-container {
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  height: 100vh !important;
  overflow-y: auto !important; /* 极端情况下仍能滚动 */
  padding: 1rem 0 !important;
  box-sizing: border-box !important;
  gap: 1.25rem !important; /* 原为 2rem，缩小间距 */
}

.access-gate-container .gate-container {
  max-width: 410px !important; /* 原为 460px，整体宽度缩小一点更紧凑 */
  padding: 0 15px !important; /* 缩减外部内边距 */
  margin: 0 auto !important;
}

/* 缩减 Logo 与标题部分 */
.access-gate .logo {
  font-size: 2.6rem !important; /* 原为 3.5rem，标题缩小 */
  letter-spacing: 4px !important;
  margin-bottom: 0.3rem !important;
}

.access-gate .logo-badge {
  font-size: 0.95rem !important; /* 徽标等比缩小 */
  right: -32px !important;
  top: -2px !important;
  padding: 0.1rem 0.4rem !important;
}

.access-gate .gate-tagline {
  font-size: 0.95rem !important; /* 原为 1.1rem */
  margin-top: 0.3rem !important;
  padding-bottom: 0.6rem !important; /* 缩减下边距 */
}

/* 缩减特色标签 */
.access-gate .feature-badges {
  margin-top: 0.8rem !important; /* 原为 1.5rem */
  gap: 0.6rem !important; /* 标签间距缩小 */
}

.access-gate .feature-badge {
  padding: 0.35rem 0.75rem !important; /* 标签变小 */
  font-size: 0.8rem !important; /* 原为 0.85rem */
}

/* 缩减登录面板卡片与内部组件 */
.access-gate .gate-card-inner {
  padding: 1.5rem 1.75rem !important; /* 原为 2.5rem 2rem，减少内边距 */
}

.access-gate .gate-header {
  margin-bottom: 1.2rem !important; /* 原为 2rem */
}

.access-gate .gate-header h2 {
  font-size: 1.5rem !important; /* 原为 1.8rem */
  margin-bottom: 0.25rem !important;
}

.access-gate .gate-header p {
  font-size: 0.85rem !important; /* 原为 0.95rem */
}

.access-gate .login-method-toggle {
  margin-bottom: 1.2rem !important; /* 原为 1.5rem */
}

.access-gate .login-method-toggle button {
  padding: 8px 12px !important; /* 原为 10px 15px */
  font-size: 0.85rem !important; /* 原为 0.9rem */
}

.access-gate .form-group {
  margin-bottom: 1rem !important; /* 原为 1.2rem */
}

.access-gate .form-group label {
  margin-bottom: 4px !important;
  font-size: 0.8rem !important;
}

.access-gate .form-input {
  padding: 10px 14px !important; /* 原为 12px 16px */
  font-size: 0.9rem !important; /* 原为 1rem */
}

.access-gate .key-submit {
  padding: 11px !important; /* 原为 14px */
  font-size: 0.95rem !important;
  margin-top: 0.8rem !important;
}

.access-gate .gate-footer {
  margin-top: 1.2rem !important; /* 原为 1.5rem */
  font-size: 0.8rem !important;
}

.access-gate .gate-footer p {
  margin-bottom: 0.25rem !important;
}

/* 针对视口高度较窄的浏览器窗口进行极致适配 */
@media (max-height: 850px) {
  .access-gate-container {
    gap: 0.8rem !important;
  }
  .access-gate .logo {
    font-size: 2.2rem !important;
  }
  .access-gate .gate-tagline {
    font-size: 0.85rem !important;
    padding-bottom: 0.4rem !important;
  }
  .access-gate .feature-badges {
    margin-top: 0.6rem !important;
  }
  .access-gate .gate-card-inner {
    padding: 1.25rem 1.5rem !important;
  }
  .access-gate .gate-header {
    margin-bottom: 1rem !important;
  }
}

@media (max-height: 720px) {
  .access-gate-container {
    gap: 0.4rem !important;
  }
  .access-gate .logo {
    font-size: 1.8rem !important;
    margin-bottom: 0.1rem !important;
  }
  .access-gate .gate-tagline {
    display: none !important; /* 隐藏标语，腾出垂直空间 */
  }
  .access-gate .feature-badges {
    display: none !important; /* 隐藏特色标签，腾出垂直空间 */
  }
  .access-gate .gate-card-inner {
    padding: 1rem 1.25rem !important;
  }
  .access-gate .gate-header {
    margin-bottom: 0.8rem !important;
  }
  .access-gate .form-group {
    margin-bottom: 0.6rem !important;
  }
  .access-gate .form-input {
    padding: 8px 12px !important;
  }
  .access-gate .login-method-toggle {
    margin-bottom: 0.8rem !important;
  }
  .access-gate .key-submit {
    padding: 9px !important;
    margin-top: 0.5rem !important;
  }
  .access-gate .gate-footer {
    margin-top: 0.8rem !important;
  }
}

/* Light authentication surface — aligned with the landing cover */
.access-gate {
  min-height: 100vh;
  color: var(--hm-ink) !important;
  background:
    radial-gradient(circle at 86% 2%, rgba(66, 133, 244, 0.13), transparent 30rem),
    radial-gradient(circle at 5% 88%, rgba(52, 168, 83, 0.08), transparent 28rem),
    #fff !important;
}
.access-gate::after {
  background: radial-gradient(circle at 50% 42%, rgba(26, 115, 232, 0.08), transparent 48%) !important;
  animation: none !important;
}
.access-gate .gate-container::before {
  width: 360px !important; height: 360px !important; top: -185px !important; right: -210px !important;
  background: radial-gradient(circle, rgba(66, 133, 244, 0.11), transparent 70%) !important;
  animation: none !important;
}
.access-gate .gate-container::after {
  width: 300px !important; height: 300px !important; bottom: -170px !important; left: -190px !important;
  background: radial-gradient(circle, rgba(52, 168, 83, 0.07), transparent 70%) !important;
  animation: none !important;
}
.access-gate .gate-logo-container::before,
.access-gate .gate-logo-container::after { display: none !important; }
.access-gate .gate-logo-container { margin-bottom: 18px !important; }
.access-gate .gate-logo { margin-bottom: 4px !important; padding: 0 !important; }
.access-gate .gate-logo .logo {
  color: var(--hm-blue) !important;
  background: linear-gradient(135deg, var(--hm-blue), var(--hm-indigo)) !important;
  -webkit-background-clip: text !important; background-clip: text !important;
  -webkit-text-fill-color: transparent !important; text-shadow: none !important;
}
.access-gate .logo-glow,
.access-gate .logo-pulse,
.access-gate .logo-circuit { opacity: 0.18 !important; }
.access-gate .gate-tagline {
  margin-top: 2px !important; padding-bottom: 0 !important;
  color: #737b85 !important; background: none !important;
  -webkit-text-fill-color: currentColor !important; font-weight: 450 !important;
  letter-spacing: 0.03em !important; text-shadow: none !important; animation: none !important;
}
.access-gate .gate-card {
  overflow: hidden !important; color: var(--hm-ink) !important;
  background: rgba(255, 255, 255, 0.94) !important;
  border: 1px solid var(--hm-line) !important; border-radius: 26px !important;
  box-shadow: 0 22px 56px rgba(37, 55, 84, 0.12), 0 2px 8px rgba(37, 55, 84, 0.04) !important;
  transform: none !important; backdrop-filter: blur(20px) saturate(140%);
  animation: cardSlideIn 0.48s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.access-gate .gate-card:hover {
  transform: none !important;
  box-shadow: 0 22px 56px rgba(37, 55, 84, 0.12), 0 2px 8px rgba(37, 55, 84, 0.04) !important;
}
.access-gate .gate-card::before {
  display: block !important; content: '' !important; position: absolute !important;
  inset: 0 0 auto !important; width: 100% !important; height: 3px !important; opacity: 1 !important;
  background: linear-gradient(90deg, var(--hm-blue), #58a6ff 52%, var(--hm-indigo)) !important;
}
.access-gate .gate-card::after { display: none !important; }
.access-gate .gate-card-inner {
  padding: 28px 30px 26px !important; color: var(--hm-ink) !important;
  background: transparent !important; border: 0 !important;
  border-radius: inherit !important; box-shadow: none !important;
}
.access-gate .gate-header { margin-bottom: 20px !important; }
.access-gate .gate-header h2 {
  margin-bottom: 6px !important; color: var(--hm-ink) !important;
  background: none !important; -webkit-text-fill-color: currentColor !important;
  font-size: 1.55rem !important; font-weight: 650 !important; letter-spacing: -0.025em !important;
}
.access-gate .gate-header p { color: #7a828c !important; font-size: 0.875rem !important; }
.access-gate .gate-form { margin-bottom: 18px !important; }
.access-gate .form-group label {
  margin-bottom: 7px !important; color: #4d5661 !important;
  font-size: 0.82rem !important; font-weight: 600 !important;
}
.access-gate .form-input {
  min-height: 46px !important; padding: 11px 14px !important;
  color: var(--hm-ink) !important; background: #f7f9fc !important;
  border: 1px solid #dce3ec !important; border-radius: 12px !important; box-shadow: none !important;
}
.access-gate .form-input::placeholder { color: #9aa1aa !important; }
.access-gate .form-input:focus {
  background: #fff !important; border-color: rgba(26, 115, 232, 0.62) !important;
  box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1) !important;
}
.access-gate .login-method-toggle {
  margin-bottom: 18px !important; padding: 4px; background: #f3f6fa !important;
  border: 1px solid #e1e6ee !important; border-radius: 12px !important;
}
.access-gate .login-method-toggle button {
  min-height: 38px !important; color: var(--hm-muted) !important;
  border-radius: 9px !important; font-weight: 550 !important;
}
.access-gate .login-method-toggle button.active {
  color: var(--hm-blue) !important; background: #fff !important; box-shadow: var(--hm-shadow-sm) !important;
}
.access-gate .login-method-toggle button:hover:not(.active) {
  color: #3f4955 !important; background: rgba(255, 255, 255, 0.66) !important;
}
.access-gate .key-submit,
.access-gate .send-code-btn {
  color: #fff !important; background: var(--hm-blue) !important;
  border: 1px solid var(--hm-blue) !important; border-radius: 12px !important;
  box-shadow: 0 8px 20px rgba(26, 115, 232, 0.18) !important;
}
.access-gate .key-submit {
  min-height: 48px !important; justify-content: center !important; gap: 10px !important;
  margin-top: 6px !important; font-weight: 650 !important;
}
.access-gate .send-code-btn { min-width: 94px; }
.access-gate .key-submit:hover,
.access-gate .send-code-btn:hover { background: var(--hm-blue-strong) !important; transform: translateY(-1px); }
.access-gate .key-submit .arrow-icon { color: rgba(255, 255, 255, 0.88) !important; }
.access-gate .gate-footer {
  margin-top: 14px !important; padding-top: 16px;
  color: #7a828c !important; border-top: 1px solid #edf0f4;
}
.access-gate .toggle-auth-btn,
.access-gate .code-hint { color: var(--hm-blue) !important; }
.access-gate .feature-badges { margin-top: 14px !important; }
.access-gate .feature-badge {
  color: #53606d !important; background: rgba(255, 255, 255, 0.72) !important;
  border: 1px solid #dfe6ef !important; box-shadow: 0 3px 12px rgba(37, 55, 84, 0.05) !important;
}
.access-gate .feature-badge i { color: var(--hm-blue) !important; animation: none !important; }
.access-gate .auth-success { color: #137333 !important; background: #eaf6ed !important; border-color: #b8dfc2 !important; }
.access-gate .auth-error { color: #b3261e !important; background: #fdf0ef !important; border-color: #f1c4c0 !important; }

@media (max-width: 600px) {
  .access-gate .gate-card-inner { padding: 24px 20px 22px !important; }
  .access-gate .gate-card { border-radius: 21px !important; }
}

/* 注册页面专用样式 */

/* 密码强度指示器 */
.password-strength {
  margin-top: 6px;
  height: 4px;
  border-radius: 2px;
  background: #2c2c2c;
  overflow: hidden;
}

.password-strength-bar {
  height: 100%;
  transition: width 0.3s ease, background-color 0.3s ease;
}

.strength-weak {
  width: 33%;
  background-color: #ff4757;
}

.strength-medium {
  width: 66%;
  background-color: #ffa502;
}

.strength-strong {
  width: 100%;
  background-color: #2ed573;
}

/* 密码匹配指示器 */
.password-match {
  font-size: 0.8rem;
  margin-top: 6px;
  transition: color 0.3s ease;
}

.password-match.match {
  color: #2ed573;
}

.password-match.no-match {
  color: #ff4757;
}

/* 注册页保持单一任务主线：账号信息 -> 验证码 -> 注册 */
.register-gate {
  overflow-x: hidden !important;
  overflow-y: auto !important;
  background:
    radial-gradient(circle at 50% -12%, rgba(26, 115, 232, 0.13), transparent 34rem),
    linear-gradient(180deg, #f7faff 0%, #ffffff 58%, #f8fbff 100%) !important;
}

.register-gate .access-gate-container {
  height: auto !important;
  min-height: 100vh !important;
  min-height: 100dvh !important;
  justify-content: center !important;
  padding: clamp(20px, 4vh, 44px) 0 !important;
  gap: 0 !important;
}

.register-gate .gate-container {
  width: 100% !important;
  max-width: 440px !important;
}

.register-gate .gate-logo-container {
  margin-bottom: 14px !important;
}

.register-gate .gate-logo .logo {
  font-size: clamp(2rem, 7vw, 2.65rem) !important;
  letter-spacing: clamp(3px, 1vw, 5px) !important;
}

.register-gate .gate-tagline {
  margin-top: 0 !important;
  font-size: 0.88rem !important;
  color: #718096 !important;
}

.register-gate .gate-card {
  border-color: #dfe7f1 !important;
  border-radius: 22px !important;
  box-shadow: 0 18px 50px rgba(37, 69, 116, 0.11), 0 2px 8px rgba(37, 69, 116, 0.04) !important;
}

.register-gate .gate-card-inner {
  padding: 26px 30px 22px !important;
}

.register-gate .gate-header {
  margin-bottom: 18px !important;
  text-align: center;
}

.register-gate .gate-header h2 {
  margin-bottom: 5px !important;
  color: #172033 !important;
  font-size: 1.65rem !important;
  font-weight: 700 !important;
}

.register-gate .gate-header p {
  color: #7a8493 !important;
  font-size: 0.83rem !important;
}

.register-gate .gate-form {
  margin-bottom: 0 !important;
}

.register-gate .form-group {
  margin-bottom: 14px !important;
}

.register-gate .form-group label {
  margin-bottom: 6px !important;
  color: #445064 !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
}

.register-gate .form-input {
  min-height: 46px !important;
  padding: 10px 13px !important;
  color: #172033 !important;
  background: #f8faff !important;
  border-color: #dbe3ee !important;
  border-radius: 11px !important;
}

.register-gate .form-input:hover:not(:disabled) {
  border-color: #b9c8dc !important;
}

.register-gate .input-with-button {
  gap: 9px;
}

.register-gate .send-code-btn {
  min-width: 104px;
  padding: 0 14px;
  background: #eef5ff !important;
  color: #1769d2 !important;
  border-color: #cfe1fb !important;
  box-shadow: none !important;
  font-weight: 600;
}

.register-gate .send-code-btn:hover:not(:disabled) {
  color: #fff !important;
  background: #1769d2 !important;
  border-color: #1769d2 !important;
}

.register-gate .password-strength {
  height: 3px;
  margin-top: 6px;
  background: #e8edf4;
}

.register-gate .password-strength-text,
.register-gate .password-match,
.register-gate .code-hint {
  margin-top: 5px;
  font-size: 0.72rem;
}

.register-gate .key-submit {
  min-height: 48px !important;
  margin-top: 4px !important;
  background: #1a73e8 !important;
  box-shadow: 0 2px 8px rgba(26, 115, 232, 0.24) !important;
  border-color: #1769d2 !important;
  border-radius: 12px !important;
  box-shadow: 0 10px 24px rgba(23, 105, 210, 0.22) !important;
  font-size: 0.98rem !important;
}

.register-gate .key-submit:hover:not(:disabled) {
  background: #1557b0 !important;
  box-shadow: 0 12px 28px rgba(23, 105, 210, 0.28) !important;
}

.register-gate .gate-footer {
  margin-top: 15px !important;
  padding-top: 14px !important;
  border-top-color: #edf1f6 !important;
  font-size: 0.82rem !important;
}

.register-gate .auth-success,
.register-gate .auth-error {
  margin-bottom: 13px;
  padding: 9px 11px;
  text-align: left;
  font-size: 0.78rem;
  line-height: 1.45;
}

@media (max-width: 600px) {
  .register-gate .access-gate-container {
    justify-content: flex-start !important;
    padding: 18px 0 22px !important;
  }

  .register-gate .gate-container {
    padding: 0 14px !important;
  }

  .register-gate .gate-logo-container {
    margin-bottom: 12px !important;
  }

  .register-gate .gate-logo .logo {
    font-size: 2rem !important;
  }

  .register-gate .gate-card {
    border-radius: 18px !important;
  }

  .register-gate .gate-card-inner {
    padding: 22px 18px 18px !important;
  }

  .register-gate .gate-header {
    margin-bottom: 16px !important;
  }

  .register-gate .gate-header h2 {
    font-size: 1.45rem !important;
  }

  .register-gate .form-group {
    margin-bottom: 12px !important;
  }

  .register-gate .form-input {
    min-height: 44px !important;
  }

  .register-gate .send-code-btn {
    min-width: 96px;
    padding: 0 11px;
    font-size: 0.78rem;
  }
}

@media (max-width: 370px) {
  .register-gate .input-with-button {
    flex-direction: column;
  }

  .register-gate .send-code-btn {
    min-height: 42px;
  }
}

/* InputArea组件样式 - Minimal Sci-Fi Capsule Update */
.input-container {
  width: 100%;
  max-width: 860px; /* 稍微放宽一点 */
  margin: 2rem auto 1.5rem auto; /* 居中显示 */
  position: relative;
  z-index: 1000; /* 提升层级，防止花瓣菜单被遮挡 */
  overflow: visible !important;
}

/* 移除旧的 input-header 样式 */
.input-header,
.input-title {
  display: none;
}

.input-area-form {
  width: 100%;
}

/* 胶囊输入栏容器 */
.input-capsule-bar {
  display: flex;
  align-items: flex-end; /* 底部对齐，适应输入框高度变化 */
  /* 配色与模式卡片一致，稍微亮一点 */
  background: var(--input-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--input-border); /* 边框色调也调整为蓝色系 */
  border-radius: 40px;
  padding: 16px 20px; /* 增加内边距，使输入框看起来更高大 */

  gap: 16px; /* 增加间距 */
  box-shadow: 
    0 6px 18px rgba(0, 0, 0, 0.08),
    inset 0 1px 1px rgba(255, 255, 255, 0.05);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  width: 100%;
  position: relative;
  z-index: 100; /* 确保在花瓣菜单之上，且高于其他页面元素 */
  overflow: visible !important; /* 强制允许子元素溢出 */
}

.input-capsule-bar:hover {
  border-color: rgba(26, 115, 232, 0.35);
  box-shadow: 
    0 8px 24px rgba(0, 0, 0, 0.06),
    0 0 15px var(--accent-glow);
  transform: translateY(-1px);
}

.input-capsule-bar:focus-within {
  background: var(--input-focus-bg);
  border-color: var(--accent-color);
  animation: capsule-focus-breath 4s infinite ease-in-out;
}

@keyframes capsule-focus-breath {
  0%, 100% {
    box-shadow: 
      0 0 0 1px var(--accent-color),
      0 4px 16px rgba(26, 115, 232, 0.12);
    transform: translateY(-1px);
  }
  50% {
    box-shadow: 
      0 0 0 1px var(--accent-color),
      0 12px 32px rgba(26, 115, 232, 0.22);
    transform: translateY(-2.5px);
  }
}

/* 通用胶囊图标按钮样式 */
.capsule-icon-btn {
  width: 44px; /* 稍微加宽 */
  height: 56px; /* 高度匹配单行输入框 */
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--input-btn-color); /* 稍微提亮默认颜色 */
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 24px; /* 图标加大 */
  padding: 0;
  position: relative;
}

.capsule-icon-btn:hover {
  color: var(--accent-color);
  transform: scale(1.1) translateY(-1.5px);
}

.capsule-icon-btn.has-file {
  color: var(--accent-color);
}

/* 上传指示点 */
.upload-indicator {
  position: absolute;
  top: 10px;
  right: 6px;
  width: 6px;
  height: 6px;
  background-color: var(--accent-color);
  border-radius: 50%;
  box-shadow: 0 0 5px var(--accent-color);
}

/* 已上传图片数量徽标 */
.upload-count-badge {
  position: absolute;
  top: 8px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  background-color: var(--accent-color);
  color: #fff;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0 3px;
  box-shadow: 0 0 5px var(--accent-color);
}

/* 输入框样式 */
.input-capsule-textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 1.15rem; /* 字体稍微加大，更易阅读 */
  font-family: 'Inter', sans-serif;
  resize: none;
  line-height: 1.6; /* 行高增加 */
  padding: 14px 10px; /* 增加内边距 */
  min-height: 56px; /* 增加最小高度 */
  max-height: 200px;
  overflow-y: auto;
}

/* 输入框滚动条样式优化 */
.input-capsule-textarea::-webkit-scrollbar {
  width: 6px;
}
.input-capsule-textarea::-webkit-scrollbar-track {
  background: transparent;
}
.input-capsule-textarea::-webkit-scrollbar-thumb {
  background-color: var(--hover-color);
  border-radius: 10px;
}
.input-capsule-textarea::-webkit-scrollbar-thumb:hover {
  background-color: var(--light-gray);
}

.input-capsule-textarea:focus {
  outline: none;
}

.input-capsule-textarea::placeholder {
  color: var(--input-placeholder-color);
}

/* 提示词历史与收藏 */
.prompt-history-panel {
  width: 100%;
  margin-top: 10px;
  padding: 0 14px;
}

.prompt-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
  color: var(--input-placeholder-color);
  font-size: 12px;
}

.prompt-history-title {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-color);
  font-weight: 600;
}

.prompt-history-title i {
  color: var(--accent-color);
  font-size: 14px;
}

.prompt-history-list {
  display: flex;
  gap: 8px;
  width: 100%;
  padding: 1px 1px 7px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--input-border) transparent;
}

.prompt-history-list::-webkit-scrollbar {
  height: 4px;
}

.prompt-history-list::-webkit-scrollbar-thumb {
  background: var(--input-border);
  border-radius: 4px;
}

.prompt-history-item {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  max-width: 360px;
  min-height: 34px;
  overflow: hidden;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 18px;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.prompt-history-item:hover {
  border-color: var(--accent-color);
  transform: translateY(-1px);
}

.prompt-history-item.is-favorite {
  border-color: rgba(245, 158, 11, 0.5);
}

.prompt-history-text,
.prompt-favorite-btn {
  border: 0;
  background: transparent;
  color: var(--text-color);
  cursor: pointer;
  font: inherit;
}

.prompt-history-text {
  max-width: 310px;
  padding: 7px 5px 7px 13px;
  overflow: hidden;
  font-size: 13px;
  line-height: 18px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prompt-favorite-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  width: 35px;
  flex: 0 0 35px;
  padding: 0;
  color: var(--input-placeholder-color);
  font-size: 16px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.prompt-favorite-btn:hover,
.prompt-history-item.is-favorite .prompt-favorite-btn {
  color: #f59e0b;
}

.prompt-favorite-btn:hover {
  transform: scale(1.12);
}

.prompt-history-text:focus-visible,
.prompt-favorite-btn:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: -2px;
}

.prompt-history-panel.is-disabled {
  opacity: 0.55;
}

.prompt-history-text:disabled,
.prompt-favorite-btn:disabled {
  cursor: not-allowed;
}

/* AI修饰小按钮 */
.ai-enhance-icon-btn {
  color: #a5b4fc;
  font-size: 20px;
  margin-right: 6px;
}

.ai-enhance-icon-btn:hover {
  color: #818cf8;
  transform: scale(1.1) rotate(15deg);
  text-shadow: 0 0 10px #818cf8;
}

/* 提交按钮容器 */
.submit-btn-wrapper {
  position: relative;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20; /* 确保在最上层 */
  overflow: visible !important; /* 强制允许溢出 */
}

/* 提交按钮 */
.capsule-submit-btn {
  width: 56px;
  height: 56px;
  border-radius: 28px;
  border: none;
  background: linear-gradient(135deg, var(--accent-color) 0%, #3a56d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 10px rgba(79, 109, 245, 0.3);
  overflow: hidden;
  position: relative;
  z-index: 22; /* 比wrapper高，确保可点击 */
}

.capsule-submit-btn:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 6px 15px rgba(79, 109, 245, 0.5);
}

.capsule-submit-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.capsule-submit-btn:disabled {
  cursor: not-allowed;
  background: var(--submit-disabled-bg);
  border: 1px solid var(--submit-disabled-border);
  box-shadow: none;
}

.capsule-submit-btn:disabled .current-mode-icon {
  color: var(--submit-disabled-color);
}

.capsule-submit-btn i.rotating {
  color: white;
  font-size: 20px;
  animation: rotate 1s linear infinite;
}

.current-mode-icon {
  color: white;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 桌面端/移动端图标切换 */
.submit-icon-mobile {
  display: none;
}
.submit-icon-desktop {
  display: block;
}

.upload-icon-mobile {
  display: none;
}

/* 移动端模式切换按钮 (默认隐藏) */
.mobile-mode-toggle {
  display: none;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 花瓣菜单 */
.mode-petal-menu {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px; /* 增加感应区域，防止鼠标移开时立即消失 */
  height: 200px;
  transform: translate(-50%, -50%);
  pointer-events: none; /* 默认不响应事件 */
  z-index: 15; /* 在按钮之下，但在其他元素之上 */
  border-radius: 50%;
}

.mode-petal-menu.visible {
  pointer-events: auto;
}

.mode-petal-item {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px; /* 加大圆盘尺寸 */
  height: 48px;
  border-radius: 50%;
  background: var(--petal-bg); /* 增加不透明度 */
  backdrop-filter: blur(12px);
  border: 1px solid var(--petal-border);
  color: var(--petal-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transform: translate(-50%, -50%) scale(0);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  opacity: 0;
  box-shadow: var(--petal-shadow);
  z-index: 16;
  font-size: 20px; /* 加大图标 */
}

.mode-petal-menu.visible .mode-petal-item {
  opacity: 1;
  /* 确保展开后位置正确，并保持缩放 */
  transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1);
  transition-delay: var(--delay);
}

.mode-petal-item:hover {
  background: rgba(0, 170, 255, 0.9);
  color: white;
  border-color: rgba(0, 170, 255, 1);
  box-shadow: 0 0 20px rgba(0, 170, 255, 0.6);
  /* 悬停时放大 */
  transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1.2);
  z-index: 25; /* 悬停时置顶 */
}

.mode-petal-item.active {
  background: var(--petal-active-bg);
  border-color: var(--petal-active-border);
  color: var(--petal-active-color);
  box-shadow: var(--petal-active-shadow);
}

.mode-name {
  display: none; /* Desktop hidden */
}

/* 多图预览水平行 */
.image-previews-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 0 0.8rem 1rem;
}

/* 图片预览区域优化 */
.image-preview-container {
  max-width: 130px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  position: relative;
  backdrop-filter: blur(5px);
  animation: slideDown 0.3s ease-out;
  display: inline-block;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.image-preview {
  width: 100%;
  height: auto;
  display: block;
  max-height: 120px;
  object-fit: contain;
}

.remove-image-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
  font-size: 12px;
}

.remove-image-btn:hover {
  background-color: rgba(239, 68, 68, 0.8);
  transform: rotate(90deg);
}

/* 进度条 */
.progress-bar {
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 0.5rem;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-color), #a5b4fc, var(--accent-color));
  background-size: 200% 100%;
  border-radius: 2px;
  animation: loading-progress 1.5s infinite linear;
  width: 30%;
  box-shadow: 0 0 10px var(--accent-color);
}

/* 提示词推荐区域 */
.input-bottom-area {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding: 0 6px;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.suggestions-wrapper {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  flex: 1;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  padding-bottom: 4px;
  /* 隐藏滚动条但保留滚动功能 */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.suggestions-wrapper::-webkit-scrollbar {
  display: none;
}

.suggestion-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 3px 9px;
  font-size: 0.72rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  backdrop-filter: blur(5px);
  user-select: none;
  display: block;
  animation: fadeIn 0.5s ease-out;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
  max-width: clamp(140px, 30vw, 340px);
}

.suggestion-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(165, 180, 252, 0.4);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.suggestion-card:active {
  transform: translateY(0);
  background: rgba(255, 255, 255, 0.08);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
  .input-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 8px 12px calc(14px + env(safe-area-inset-bottom)) 12px !important; /* 向下偏移 6px (原8px)，贴紧手机底边缘，进一步避开对画板的遮挡 */
    background: linear-gradient(to top, rgba(15, 17, 28, 0.98) 85%, rgba(15, 17, 28, 0.8) 95%, rgba(15, 17, 28, 0));
    backdrop-filter: blur(16px);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.6);
    z-index: 1001; /* 确保在最上层 */
  }

  /* 移动端模式切换药丸栏 (模仿 Gemini) */
  .mobile-mode-pills-container {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 2px 2px 6px 2px;
    margin-bottom: 4px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE 10+ */
    width: 100%;
  }
  
  .mobile-mode-pills-container::-webkit-scrollbar {
    display: none; /* Safari and Chrome */
  }
  
  .mobile-mode-pill {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
  }
  
  .mobile-mode-pill i {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
  }
  
  .mobile-mode-pill.active {
    background: linear-gradient(135deg, rgba(0, 170, 255, 0.2), rgba(0, 122, 255, 0.3));
    border-color: rgba(0, 170, 255, 0.8);
    color: #00aaff;
    box-shadow: 0 0 10px rgba(0, 170, 255, 0.25);
    font-weight: 600;
  }

  .mobile-mode-pill.active i {
    color: #00aaff;
  }

  .input-capsule-bar {
    padding: 4px 6px 4px 10px;
    gap: 6px;
    border-radius: 20px;
  }
  
  .mode-icon-hint {
    font-size: 15px;
  }
  
  .capsule-icon-btn {
    width: 30px;
    height: 36px;
    font-size: 17px;
  }
  
  .input-capsule-textarea {
    font-size: 13.5px;
    padding: 8px 2px;
    min-height: 36px;
  }
  
  .capsule-submit-btn {
    width: 36px;
    height: 36px;
    display: flex; /* 保持显示 */
  }
  
  /* 移动端隐藏独立模式切换按钮 */
  .mobile-mode-toggle {
    display: none !important;
  }

  .submit-btn-wrapper {
    width: auto;
    height: 36px;
    gap: 6px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: visible !important;
  }

  .capsule-submit-btn {
    width: 36px;
    height: 36px;
    display: flex; /* 保持显示 */
  }
  
  .submit-icon-desktop {
    display: none;
  }
  
  .submit-icon-mobile {
    display: block;
    font-size: 16px;
  }

  /* 提示词横向排列 (保持和桌面一致，允许横向滑动) */
  .suggestions-wrapper {
    flex-direction: row;
    width: 100%;
    gap: 4px;
    overflow-x: auto;
  }
  
  .suggestion-card {
    width: auto;
    max-width: 78vw;
    font-size: 10.5px;
    padding: 3px 8px;
    text-align: center;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.08);
  }
  
  .input-bottom-area {
    flex-direction: column;
    gap: 6px;
    margin-top: 6px;
  }
  
  .extra-content-wrapper {
    margin-left: 0 !important;
    width: 100%;
    justify-content: flex-end;
  }
}

/* --- 模式切换交互提醒动效 (无文字纯视觉) --- */
/* 桌面端外层光晕动效 */
.submit-btn-wrapper.show-reminder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 28px; /* 匹配按钮圆角 */
  box-shadow: 0 0 0 0 rgba(0, 170, 255, 0.6);
  animation: wrapper-pulse 2s infinite;
  pointer-events: none;
  z-index: 10;
}

/* 给按钮里的图标加一个轻微的跳动效果，进一步吸引视线 */
.submit-btn-wrapper.show-reminder .submit-icon-desktop,
.mobile-mode-toggle.show-reminder i {
  animation: icon-bounce 2s infinite;
  display: inline-block;
}

@keyframes wrapper-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 170, 255, 0.6); }
  70% { box-shadow: 0 0 0 15px rgba(0, 170, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 170, 255, 0); }
}

@keyframes icon-bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-4px); }
  60% { transform: translateY(-2px); }
}

@media (max-width: 768px) {
  /* 移动端不给 wrapper 施加光晕，只给独立的 toggle 按钮施加光晕 */
  .submit-btn-wrapper.show-reminder::before {
    display: none; 
  }
  
  .mobile-mode-toggle.show-reminder {
    animation: wrapper-pulse 2s infinite;
  }
}

/* ========================================================
   LIGHT THEME STYLES - INPUT AREA & BUTTONS (Gemini-inspired)
   ======================================================== */
html[data-theme='light'] .image-preview-container {
  border: 1px solid var(--border-color) !important;
  background: rgba(0, 0, 0, 0.03) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05) !important;
}

html[data-theme='light'] .remove-image-btn {
  background-color: rgba(255, 255, 255, 0.85) !important;
  color: var(--text-color) !important;
}

html[data-theme='light'] .remove-image-btn:hover {
  background-color: var(--error-color) !important;
  color: white !important;
}

html[data-theme='light'] .suggestion-card {
  background: #f0f4f9 !important;
  border: 1px solid #dadce0 !important;
  color: #5f6368 !important;
}

html[data-theme='light'] .suggestion-card:hover {
  background: #e8f0fe !important;
  border-color: var(--accent-color) !important;
  color: var(--accent-color) !important;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.1) !important;
}

html[data-theme='light'] .suggestion-card:active {
  background: #d2e3fc !important;
}

html[data-theme='light'] .mobile-mode-pill {
  background: #f0f4f9 !important;
  border: 1px solid #dadce0 !important;
  color: #5f6368 !important;
}

html[data-theme='light'] .mobile-mode-pill i {
  color: #5f6368 !important;
}

html[data-theme='light'] .mobile-mode-pill.active {
  background: #e8f0fe !important;
  border-color: var(--accent-color) !important;
  color: var(--accent-color) !important;
  box-shadow: 0 0 10px var(--accent-glow) !important;
}

html[data-theme='light'] .mobile-mode-pill.active i {
  color: var(--accent-color) !important;
}

/* 亮色模式下激活态生成按钮适配 - 采用优雅柔和的 Gemini 渐变彩色，告别突兀的纯高饱和蓝色 */
html[data-theme='light'] .capsule-submit-btn:not(:disabled) {
  background: linear-gradient(135deg, #4285f4 0%, #9b72cb 50%, #d96570 100%) !important;
  box-shadow: 0 4px 15px rgba(155, 114, 203, 0.25) !important;
}

html[data-theme='light'] .capsule-submit-btn:not(:disabled):hover {
  background: linear-gradient(135deg, #5191f5 0%, #a87fd6 50%, #e07489 100%) !important;
  box-shadow: 0 6px 20px rgba(155, 114, 203, 0.4) !important;
  transform: scale(1.05);
}

html[data-theme='light'] .capsule-submit-btn:not(:disabled):active {
  transform: scale(0.95);
}

/* ==========================================================================
   模式解释说明面板样式 - 现代暗色微弱磨砂 & 亮色优雅适配
   ========================================================================== */
.mode-explanation-panel {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 10px 14px;
  padding: 5px 10px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  width: fit-content;
  max-width: 100%;
  animation: explanation-fade-in 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* 亮色模式适配 */
html[data-theme='light'] .mode-explanation-panel {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.04);
  color: rgba(0, 0, 0, 0.6);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

@keyframes explanation-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mode-explanation-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  color: var(--accent-color, #1a73e8);
  background: rgba(26, 115, 232, 0.1);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  white-space: nowrap;
}

/* 亮色模式下的标签稍微提亮 */
html[data-theme='light'] .mode-explanation-tag {
  background: rgba(26, 115, 232, 0.08);
}

.mode-explanation-tag i {
  font-size: 14px;
}

/* ==========================================================================
   积分消耗胶囊组件（分段选择：免费 / 标准积分 / 深度思考）
   ========================================================================== */

.usage-mode-capsule {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 2px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  box-sizing: border-box;
  gap: 2px;
  user-select: none;
  isolation: isolate;
  transition: border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.usage-mode-capsule:hover {
  border-color: rgba(255, 255, 255, 0.24);
}

.usage-mode-segment {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 25px;
  padding: 3px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  box-sizing: border-box;
  outline: none;
  transition: all 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.usage-mode-segment i {
  font-size: 12px;
  transition: transform 0.2s ease, color 0.2s ease;
}

.usage-mode-segment:hover:not(.active) {
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.07);
}

.usage-mode-segment:hover:not(.active) i {
  transform: scale(1.12);
}

/* 激活通用样式 */
.usage-mode-segment.active {
  font-weight: 600;
  cursor: default;
}

/* 激活：免费模式（清新蓝绿色调） */
.usage-mode-segment.active.free-active {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
}

.usage-mode-segment.active.free-active i {
  color: #38bdf8;
}

/* 激活：标准积分模式（经典科技深蓝渐变） */
.usage-mode-segment.active.standard-active {
  background: linear-gradient(100deg, #1d4ed8, #2563eb 52%, #0ea5e9);
  color: #ffffff;
  border-color: rgba(96, 165, 250, 0.4);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.35);
}

.usage-mode-segment.active.standard-active i {
  color: #ffffff;
}

/* 激活：深度思考模式（位于胶囊最右端，优雅深邃紫蓝渐变与AI智思律动） */
.usage-mode-segment.active.deep-active {
  background: linear-gradient(105deg, #4f46e5 0%, #7c3aed 50%, #9333ea 100%);
  color: #ffffff;
  border-color: rgba(192, 132, 252, 0.45);
  box-shadow: 0 0 14px rgba(124, 58, 237, 0.45), inset 0 0 8px rgba(255, 255, 255, 0.2);
}

.usage-mode-segment.active.deep-active i {
  color: #f5f3ff;
  animation: brain-pulse 2.2s infinite ease-in-out;
}

@keyframes brain-pulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    transform: scale(1.18);
    filter: drop-shadow(0 0 5px rgba(233, 213, 255, 0.85));
  }
}

/* 深度思考批注标签 */
.usage-mode-segment .deep-think-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(147, 51, 234, 0.22);
  border: 1px solid rgba(192, 132, 252, 0.3);
  color: #e9d5ff;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.usage-mode-segment.active.deep-active .deep-think-tag {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

/* 等待时间更长提示文本 */
.usage-mode-segment .deep-think-wait-hint {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.52);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-left: -1px;
  transition: color 0.2s ease;
}

.usage-mode-segment.active.deep-active .deep-think-wait-hint {
  color: rgba(255, 255, 255, 0.88);
}

/* 提交按钮深度思考高亮光效 */
.capsule-submit-btn.deep-thinking-submit {
  background: linear-gradient(135deg, #4f46e5, #7c3aed 55%, #9333ea);
  box-shadow: 0 0 14px rgba(124, 58, 237, 0.45);
}

.capsule-submit-btn.deep-thinking-submit:hover:not(:disabled) {
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.68);
  transform: scale(1.03);
}

/* 亮色模式适配 (Light Theme) */
html[data-theme='light'] .usage-mode-capsule {
  background: rgba(148, 163, 184, 0.12);
  border-color: rgba(71, 85, 105, 0.18);
}

html[data-theme='light'] .usage-mode-capsule:hover {
  border-color: rgba(71, 85, 105, 0.32);
}

html[data-theme='light'] .usage-mode-segment {
  color: #64748b;
}

html[data-theme='light'] .usage-mode-segment:hover:not(.active) {
  color: #0f172a;
  background: rgba(0, 0, 0, 0.05);
}

html[data-theme='light'] .usage-mode-segment.active.free-active {
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

html[data-theme='light'] .usage-mode-segment.active.standard-active {
  background: linear-gradient(100deg, #2563eb, #3b82f6 52%, #0284c7);
  color: #ffffff;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.28);
}

html[data-theme='light'] .usage-mode-segment.active.deep-active {
  background: linear-gradient(100deg, #6b21a8, #7c3aed 48%, #4f46e5);
  color: #ffffff;
  border-color: rgba(124, 58, 237, 0.45);
  box-shadow: 0 2px 10px rgba(124, 58, 237, 0.32);
}

html[data-theme='light'] .usage-mode-segment .deep-think-tag {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.25);
  color: #6d28d9;
}

html[data-theme='light'] .usage-mode-segment.active.deep-active .deep-think-tag {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

html[data-theme='light'] .usage-mode-segment .deep-think-wait-hint {
  color: #94a3b8;
}

html[data-theme='light'] .usage-mode-segment.active.deep-active .deep-think-wait-hint {
  color: rgba(255, 255, 255, 0.9);
}

html[data-theme='light'] .capsule-submit-btn.deep-thinking-submit {
  background: linear-gradient(135deg, #6d28d9, #7c3aed 55%, #4f46e5);
  box-shadow: 0 2px 12px rgba(109, 40, 217, 0.35);
}

.mode-explanation-divider {
  width: 1px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.15);
  margin: 0 2px;
}

html[data-theme='light'] .mode-explanation-divider {
  background-color: rgba(0, 0, 0, 0.1);
}

.mode-explanation-desc {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex: 0 1 auto;
  min-width: 0;
  line-height: 1.4;
}

.mode-explanation-desc i {
  font-size: 14px;
  color: var(--accent-color, #1a73e8);
  opacity: 0.8;
}

.mode-explanation-desc-title {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  white-space: nowrap;
  margin-right: 4px;
}

html[data-theme='light'] .mode-explanation-desc-title {
  color: rgba(0, 0, 0, 0.75);
}

.mode-explanation-desc-text {
  color: rgba(255, 255, 255, 0.55);
}

html[data-theme='light'] .mode-explanation-desc-text {
  color: rgba(0, 0, 0, 0.55);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .mode-explanation-panel {
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 14px;
    gap: 5px;
    margin: 0 4px 8px;
    width: fit-content;
    box-sizing: border-box;
  }

  .mode-explanation-tag {
    font-size: 11px;
    padding: 2px 8px;
  }

  .usage-mode-capsule {
    padding: 1px;
    gap: 1px;
    max-width: 100%;
  }

  .usage-mode-segment {
    min-height: 22px;
    padding: 2px 7px;
    font-size: 10px;
    gap: 3px;
  }

  .usage-mode-segment i {
    font-size: 11px;
  }

  .usage-mode-segment .deep-think-tag {
    font-size: 9px;
    padding: 0 4px;
  }

  .usage-mode-segment .deep-think-wait-hint {
    font-size: 9px;
  }

  @media (max-width: 480px) {
    .usage-mode-segment .deep-think-wait-hint {
      display: none;
    }
  }

  .usage-mode-switch {
    width: 110px;
    min-height: 24px;
    padding-right: 26px;
    padding-left: 26px;
  }

  .usage-mode-label {
    font-size: 11px;
  }

  .usage-mode-knob {
    top: 3px;
    width: 16px;
    height: 16px;
    font-size: 9px;
  }

  .usage-mode-switch.paid-active .usage-mode-knob {
    left: calc(100% - 19px);
  }

  .mode-explanation-divider {
    display: none; /* 移动端用自然折行排列 */
  }

  .mode-explanation-desc {
    min-width: 100%;
    margin-top: 2px;
    align-items: flex-start;
  }
}

/* Gemini-inspired mobile composer */
@media (max-width: 768px) {
  .input-container {
    position: fixed !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 22px 16px calc(12px + env(safe-area-inset-bottom)) !important;
    overflow: visible !important;
    background: linear-gradient(to top, var(--primary-color, #212121) 58%, transparent) !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    z-index: 1001 !important;
  }

  .input-area-form {
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
  }

  .mobile-mode-pills-container,
  .input-bottom-area {
    display: none !important;
  }

  .image-previews-row {
    flex-wrap: nowrap;
    max-width: 100%;
    margin: 0 0 8px !important;
    padding: 0 8px;
    overflow-x: auto;
  }

  .image-preview-container {
    flex: 0 0 auto;
    max-width: 92px;
    border-radius: 14px;
  }

  .input-capsule-bar {
    align-items: center !important;
    min-height: 64px;
    padding: 6px 8px !important;
    gap: 4px !important;
    background: rgba(34, 37, 45, 0.96) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 34px !important;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.24) !important;
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
  }

  .input-capsule-bar:hover,
  .input-capsule-bar:focus-within {
    transform: none !important;
    animation: none !important;
  }

  .capsule-icon-btn {
    width: 48px !important;
    height: 48px !important;
    border-radius: 50%;
    color: var(--text-color);
    font-size: 27px !important;
  }

  .upload-icon-desktop {
    display: none;
  }

  .upload-icon-mobile {
    display: block;
  }

  .input-capsule-textarea {
    min-width: 0;
    min-height: 48px !important;
    max-height: 128px;
    padding: 12px 4px !important;
    color: var(--text-color);
    font-size: 16px !important;
    line-height: 24px;
  }

  .prompt-history-panel {
    margin-top: 8px;
    padding: 0 4px;
  }

  .prompt-history-header {
    margin: 0 5px 5px;
    font-size: 11px;
  }

  .prompt-history-item {
    max-width: min(78vw, 320px);
    min-height: 32px;
  }

  .prompt-history-text {
    max-width: min(66vw, 270px);
    padding-top: 6px;
    padding-bottom: 6px;
    font-size: 12px;
  }

  .ai-enhance-icon-btn {
    width: 40px !important;
    margin: 0;
    font-size: 19px !important;
  }

  .submit-btn-wrapper {
    width: 48px !important;
    height: 48px !important;
    gap: 0 !important;
  }

  .capsule-submit-btn {
    width: 44px !important;
    height: 44px !important;
    border-radius: 50% !important;
    background: var(--accent-color) !important;
    border: 0 !important;
    box-shadow: none !important;
  }

  .capsule-submit-btn:disabled {
    background: rgba(255, 255, 255, 0.12) !important;
  }

  .submit-icon-mobile {
    display: block;
    color: #fff;
    font-size: 23px !important;
    font-weight: 500;
  }

  .capsule-submit-btn:disabled .submit-icon-mobile {
    color: rgba(255, 255, 255, 0.35);
  }

  html[data-theme='light'] .input-container {
    background: linear-gradient(to top, #fff 58%, transparent) !important;
  }

  html[data-theme='light'] .input-capsule-bar {
    background: rgba(255, 255, 255, 0.98) !important;
    border-color: #e2e5e9 !important;
    box-shadow: 0 12px 34px rgba(60, 64, 67, 0.14) !important;
  }

  html[data-theme='light'] .capsule-icon-btn {
    color: #202124;
  }

  html[data-theme='light'] .capsule-submit-btn:disabled {
    background: #e3e5e8 !important;
  }

  html[data-theme='light'] .capsule-submit-btn:disabled .submit-icon-mobile {
    color: #8a8d91;
  }
}

/* 公告弹窗样式 */
.announcement-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 110000;
  backdrop-filter: blur(8px);
  animation: announcementFadeIn 0.3s ease;
}

@keyframes announcementFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.announcement-modal-content {
  background: linear-gradient(145deg, #1a1f35, #0f1320);
  border-radius: 20px;
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(0, 170, 255, 0.3);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 170, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  animation: announcementSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes announcementSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* 关闭按钮 */
.announcement-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.announcement-close-btn:hover {
  background: rgba(255, 77, 79, 0.2);
  border-color: rgba(255, 77, 79, 0.5);
  color: #ff4d4f;
  transform: rotate(90deg);
}

/* 头部 */
.announcement-header {
  padding: 28px 24px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(0, 170, 255, 0.08) 0%, transparent 100%);
}

.announcement-icon {
  font-size: 40px;
  color: #00aaff;
  display: block;
  margin-bottom: 12px;
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.announcement-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 1px;
}

/* 加载状态 */
.announcement-loading {
  padding: 60px 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.announcement-loading i {
  font-size: 32px;
  color: #00aaff;
}

.spinning {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 空状态 */
.announcement-empty {
  padding: 60px 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.announcement-empty i {
  font-size: 48px;
  color: rgba(255, 255, 255, 0.3);
}

/* 公告列表 */
.announcement-list {
  padding: 20px;
  max-height: calc(80vh - 220px);
  overflow-y: auto;
}

.announcement-list::-webkit-scrollbar {
  width: 6px;
}

.announcement-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.announcement-list::-webkit-scrollbar-thumb {
  background: rgba(0, 170, 255, 0.3);
  border-radius: 3px;
}

.announcement-list::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 170, 255, 0.5);
}

/* 单条公告 */
.announcement-item {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.3s ease;
  position: relative;
}

/* 高亮的第一条公告 */
.announcement-item.highlight {
  background: linear-gradient(135deg, rgba(0, 170, 255, 0.15), rgba(0, 170, 255, 0.05));
  border: 1px solid rgba(0, 170, 255, 0.4);
  box-shadow: 0 4px 15px rgba(0, 170, 255, 0.15);
  /* overflow: hidden; */ /* 移除 overflow: hidden，防止内容被截断 */
}

.announcement-item.highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: #00aaff;
  box-shadow: 0 0 10px #00aaff;
  border-radius: 12px 0 0 12px; /* 添加圆角，防止超出边框 */
}

.announcement-item.highlight .announcement-item-header h3 {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(0, 170, 255, 0.5);
  font-size: 1.15rem;
}

.announcement-item.highlight:hover {
  border-color: rgba(0, 170, 255, 0.6);
  box-shadow: 0 6px 20px rgba(0, 170, 255, 0.25);
  transform: translateY(-2px);
}

.announcement-item:last-child {
  margin-bottom: 0;
}

.announcement-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 170, 255, 0.2);
}

.announcement-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 12px;
}

.announcement-item-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #00aaff;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.announcement-item-header h3 i {
  font-size: 18px;
}

.announcement-date {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  white-space: nowrap;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
}

.announcement-content {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  font-size: 0.95rem;
}

.announcement-content p {
  margin: 0 0 8px;
}

.announcement-content p:last-child {
  margin-bottom: 0;
}

/* 链接样式 - 高亮显示 */
.announcement-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #00e5ff;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(0, 170, 255, 0.1));
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid rgba(0, 229, 255, 0.4);
  margin: 8px 4px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 229, 255, 0.2);
  animation: linkGlow 2s ease-in-out infinite;
}

@keyframes linkGlow {
  0%, 100% {
    box-shadow: 0 2px 8px rgba(0, 229, 255, 0.2);
  }
  50% {
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.5);
  }
}

.announcement-link:hover {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.3), rgba(0, 170, 255, 0.25));
  border-color: #00e5ff;
  color: #ffffff;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 25px rgba(0, 229, 255, 0.5);
  text-decoration: none;
}

.announcement-link:active {
  transform: translateY(0) scale(1);
}

/* 底部 */
.announcement-footer {
  padding: 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* 提示信息 */
.announcement-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

.announcement-hint i {
  font-size: 14px;
}

/* 确认按钮 */
.announcement-confirm-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  background: linear-gradient(135deg, #00aaff, #0077cc);
  border: none;
  border-radius: 30px;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 170, 255, 0.4);
  min-width: 200px;
}

.announcement-confirm-btn i {
  font-size: 18px;
}

.announcement-confirm-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 170, 255, 0.5);
  background: linear-gradient(135deg, #00bbff, #0088dd);
}

.announcement-confirm-btn:active {
  transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .announcement-modal-content {
    width: 95%;
    max-height: 85vh;
    border-radius: 16px;
  }

  .announcement-header {
    padding: 24px 20px 16px;
  }

  .announcement-header h2 {
    font-size: 1.3rem;
  }

  .announcement-icon {
    font-size: 32px;
  }

  .announcement-list {
    padding: 16px;
  }

  .announcement-item {
    padding: 16px;
  }

  .announcement-item-header h3 {
    font-size: 1rem;
  }

  .announcement-footer {
    padding: 16px 20px;
    gap: 10px;
  }

  .announcement-confirm-btn {
    width: 100%;
    padding: 12px 24px;
  }

  .announcement-link {
    padding: 5px 12px;
    font-size: 0.9rem;
    margin: 6px 2px;
  }
}

@media (max-width: 480px) {
  .announcement-modal-content {
    border-radius: 12px;
  }

  .announcement-close-btn {
    width: 32px;
    height: 32px;
    font-size: 18px;
    top: 12px;
    right: 12px;
  }

  .announcement-header {
    padding: 20px 16px 14px;
  }

  .announcement-header h2 {
    font-size: 1.2rem;
  }

  .announcement-list {
    padding: 14px;
    max-height: calc(85vh - 200px);
  }

  .announcement-item {
    padding: 14px;
  }

  .announcement-content {
    font-size: 0.9rem;
  }

  .announcement-footer {
    padding: 14px 16px;
  }

  .dont-show-today {
    font-size: 0.85rem;
  }

  .announcement-confirm-btn {
    padding: 10px 20px;
    font-size: 0.95rem;
  }

  .announcement-link {
    padding: 4px 10px;
    font-size: 0.85rem;
    margin: 5px 2px;
  }

  .announcement-hint {
    font-size: 0.8rem;
  }
}

/* ==========================================
   亮色主题适配 (Light Theme Adaptation)
   ========================================== */
html[data-theme='light'] .announcement-modal-overlay {
  background-color: rgba(0, 0, 0, 0.4);
}

html[data-theme='light'] .announcement-modal-content {
  background: linear-gradient(145deg, #ffffff, #f0f4f9);
  border: 1px solid rgba(26, 115, 232, 0.2);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.1),
    0 0 30px rgba(26, 115, 232, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

html[data-theme='light'] .announcement-close-btn {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
}

html[data-theme='light'] .announcement-close-btn:hover {
  background: rgba(255, 77, 79, 0.1);
  border-color: rgba(255, 77, 79, 0.2);
  color: #ff4d4f;
}

html[data-theme='light'] .announcement-header {
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(26, 115, 232, 0.05) 0%, transparent 100%);
}

html[data-theme='light'] .announcement-icon {
  color: var(--accent-color);
}

html[data-theme='light'] .announcement-header h2 {
  color: var(--text-color);
}

html[data-theme='light'] .announcement-loading {
  color: var(--text-secondary);
}

html[data-theme='light'] .announcement-loading i {
  color: var(--accent-color);
}

html[data-theme='light'] .announcement-empty {
  color: var(--text-secondary);
}

html[data-theme='light'] .announcement-empty i {
  color: var(--border-color);
}

html[data-theme='light'] .announcement-list::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.03);
}

html[data-theme='light'] .announcement-list::-webkit-scrollbar-thumb {
  background: rgba(26, 115, 232, 0.2);
}

html[data-theme='light'] .announcement-list::-webkit-scrollbar-thumb:hover {
  background: rgba(26, 115, 232, 0.4);
}

html[data-theme='light'] .announcement-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
}

html[data-theme='light'] .announcement-item:hover {
  background: #f8fafd;
  border-color: rgba(26, 115, 232, 0.2);
}

html[data-theme='light'] .announcement-item.highlight {
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.08), rgba(26, 115, 232, 0.02));
  border: 1px solid rgba(26, 115, 232, 0.3);
  box-shadow: 0 4px 15px rgba(26, 115, 232, 0.08);
}

html[data-theme='light'] .announcement-item.highlight::before {
  background: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-color);
}

html[data-theme='light'] .announcement-item.highlight .announcement-item-header h3 {
  color: var(--text-color);
  text-shadow: none;
}

html[data-theme='light'] .announcement-item.highlight:hover {
  border-color: rgba(26, 115, 232, 0.5);
  box-shadow: 0 6px 20px rgba(26, 115, 232, 0.15);
}

html[data-theme='light'] .announcement-item-header h3 {
  color: var(--accent-color);
}

html[data-theme='light'] .announcement-date {
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.05);
}

html[data-theme='light'] .announcement-content {
  color: var(--text-color);
}

html[data-theme='light'] .announcement-link {
  color: var(--accent-color);
  background: rgba(26, 115, 232, 0.06);
  border: 1px solid rgba(26, 115, 232, 0.2);
  box-shadow: 0 2px 8px rgba(26, 115, 232, 0.05);
  animation: linkGlowLight 2s ease-in-out infinite;
}

html[data-theme='light'] .announcement-link:hover {
  background: rgba(26, 115, 232, 0.12);
  border-color: var(--accent-color);
  color: var(--accent-hover);
  box-shadow: 0 4px 15px rgba(26, 115, 232, 0.15);
}

html[data-theme='light'] .announcement-footer {
  border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.02);
}

html[data-theme='light'] .announcement-hint {
  color: var(--text-secondary);
}

html[data-theme='light'] .announcement-confirm-btn {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  box-shadow: 0 4px 15px rgba(26, 115, 232, 0.25);
}

html[data-theme='light'] .announcement-confirm-btn:hover {
  background: linear-gradient(135deg, var(--accent-hover), #0d47a1);
  box-shadow: 0 6px 20px rgba(26, 115, 232, 0.35);
}

@keyframes linkGlowLight {
  0%, 100% {
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.08);
  }
  50% {
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.25);
  }
}

html[data-theme='light'] .announcement-modal-overlay {
  background: rgba(32,33,36,.32) !important; backdrop-filter: blur(8px) !important;
}
html[data-theme='light'] .announcement-modal-content {
  color: var(--hm-ink) !important; background: rgba(255,255,255,.98) !important;
  border: 1px solid #dce3ec !important; border-radius: 22px !important;
  box-shadow: 0 24px 64px rgba(37,55,84,.18) !important;
}
html[data-theme='light'] .announcement-header {
  color: var(--hm-ink) !important; background: #fff !important; border-color: #e7ebf1 !important;
}
html[data-theme='light'] .announcement-content,
html[data-theme='light'] .announcement-list { color: var(--hm-muted) !important; }
html[data-theme='light'] .announcement-item {
  color: var(--hm-ink) !important; background: #f8fafd !important;
  border: 1px solid #e1e7ef !important; border-radius: 14px !important; box-shadow: none !important;
}
html[data-theme='light'] .announcement-item:hover {
  background: #fff !important; border-color: #b9cde8 !important; box-shadow: var(--hm-shadow-sm) !important;
}
html[data-theme='light'] .announcement-item.highlight {
  background: #eef5ff !important; border-color: #8eb6eb !important;
  box-shadow: 0 0 0 3px rgba(26,115,232,.08) !important;
}
html[data-theme='light'] .announcement-item-header,
html[data-theme='light'] .announcement-date { color: var(--hm-ink) !important; text-shadow: none !important; }
html[data-theme='light'] .announcement-hint { color: #77818c !important; }
html[data-theme='light'] .announcement-close-btn {
  color: #6d7681 !important; background: #f3f6fa !important;
  border: 1px solid #e0e6ee !important; border-radius: 10px !important;
}
html[data-theme='light'] .announcement-confirm-btn {
  color: #fff !important; background: var(--hm-blue) !important;
  border-color: var(--hm-blue) !important; border-radius: 11px !important;
  box-shadow: 0 8px 20px rgba(26,115,232,.18) !important;
}



/* InteractiveViewer组件样式 */
.threejs-viewer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--background-color);
  border: none;
  border-radius: 0;
  box-shadow: none;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* 确保不受浏览器缩放影响 */
  max-width: 100vw;
  max-height: 100vh;
  /* 使用transform来保持布局稳定性 */
  transform: translateZ(0);
  /* 确保在所有缩放比例下都能正常显示 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.threejs-viewer.fullscreen {
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  border-radius: 0;
}

.viewer-header {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 20px;
  background: linear-gradient(135deg, var(--accent-color), #5a67d8);
  color: white;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.viewer-header h3 {
  margin: 0;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
  position: absolute;
  left: 20px;
}

.viewer-controls {
  display: flex;
  gap: 8px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.control-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: white;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.control-btn.close-btn {
  background: rgba(239, 68, 68, 0.8);
  border-color: rgba(239, 68, 68, 0.4);
}

.control-btn.close-btn:hover {
  background: rgba(239, 68, 68, 1);
}

.viewer-content {
  flex: 1;
  display: flex;
  position: relative;
  background: #f8f9fa;
}

.html-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
  /* 确保iframe在不同缩放比例下保持正确显示 */
  display: block;
  overflow: hidden;
}

.no-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.no-content i {
  font-size: 3rem;
  margin-bottom: 15px;
  opacity: 0.5;
}

.viewer-info {
  padding: 10px 20px;
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.viewer-info p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.viewer-info i {
  color: var(--accent-color);
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
  .threejs-viewer {
    /* 保持全屏显示，不改变尺寸 */
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
  }
  
  .viewer-header {
    padding: 12px 15px;
  }
  
  .viewer-header h3 {
    font-size: 1.1rem;
  }
  
  .viewer-controls {
    gap: 5px;
  }
  
  .control-btn {
    padding: 6px 10px;
    font-size: 0.85rem;
  }
  
  .control-btn span {
    display: none; /* 小屏幕上只显示图标 */
  }
  
  .viewer-info {
    padding: 8px 15px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .threejs-viewer {
    /* 保持全屏显示，不改变尺寸 */
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
  }
  
  .viewer-header {
    padding: 10px;
  }
  
  .viewer-header h3 {
    font-size: 1rem;
  }
  
  .control-btn {
    padding: 5px 8px;
    min-width: 32px;
    justify-content: center;
  }
  
  .no-content {
    font-size: 1rem;
    padding: 0 15px;
    text-align: center;
  }
  
  .no-content i {
    font-size: 2.5rem;
    margin-bottom: 10px;
  }
} 
/* AnimationPlayer组件样式 */
.animation-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
}

.preview-content {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9; /* 使用标准的 16:9 比例自适应，彻底消除上下黑边 */
  border-radius: 0 0 8px 8px;
  overflow: hidden;
  background-color: #000;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 20px;
  color: var(--text-tertiary);
  text-align: center;
  flex: 1;
}

.empty-state i {
  font-size: 3rem;
  opacity: 0.5;
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 20px;
  text-align: center;
  flex: 1;
}

.loading-state .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(79, 109, 245, 0.3);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

.error-state {
  background-color: rgba(255, 82, 82, 0.05);
  border-radius: 8px;
  padding: 20px;
  margin: 10px;
  text-align: center;
}

.error-state i {
  color: #ff5252;
  font-size: 2rem;
  margin-bottom: 15px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.rendering-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  text-align: center;
  flex: 1;
}

.rendering-state .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(79, 109, 245, 0.3);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

.rendering-state p {
  color: var(--text-secondary);
  margin: 5px 0;
}

.render-tip {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 10px;
}

.video-player {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  position: relative;
}

.preview-content.has-video {
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  background-color: transparent;
}

.preview-content.has-video .animation-container {
  height: auto;
  min-height: 0;
  background-color: transparent;
}

.video-frame {
  width: 100%;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
  background-color: #000;
}

.animation-player .video-frame video {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
  box-shadow: none;
  display: block;
}

.video-download-bar {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 10px 0 8px;
  background: #0d0d0d;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.video-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  cursor: pointer;
}

.video-download-btn i {
  font-size: 15px;
}

.video-download-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.render-error {
  background-color: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.3);
  color: #ff5252;
  padding: 20px;
  border-radius: 8px;
  margin: 15px;
  text-align: center;
}

.render-error i {
  display: block;
  font-size: 2.5rem;
}

.render-error h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #ff5252;
}

.render-error pre {
  text-align: left;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 12px;
  border-radius: 6px;
  overflow: auto;
  margin: 15px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
  max-height: 200px;
}

.render-error-hint {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.5;
}

.check-status-btn,
.test-server-btn,
.regenerate-btn {
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  margin-top: 15px;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.check-status-btn:hover:not(:disabled),
.test-server-btn:hover:not(:disabled),
.regenerate-btn:hover:not(:disabled) {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.3);
}

.check-status-btn:disabled,
.test-server-btn:disabled,
.regenerate-btn:disabled {
  background-color: #888;
  cursor: not-allowed;
}

.check-status-btn i,
.test-server-btn i,
.regenerate-btn i {
  font-size: 1.1rem;
}

.server-status {
  margin-top: 15px;
  padding: 12px 15px;
  border-radius: 6px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.server-status i {
  font-size: 1.1rem;
}

.server-status.success {
  background-color: rgba(76, 175, 80, 0.1);
  border-left: 3px solid var(--success-color);
  color: var(--success-color);
}

.server-status.error {
  background-color: rgba(255, 82, 82, 0.1);
  border-left: 3px solid var(--error-color);
  color: var(--error-color);
}

.code-container {
  width: 100%;
}

.code-header {
  display: flex;
  justify-content: flex-end;
  padding: 12px;
  background-color: rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.code-block {
  padding: 20px;
  margin: 0;
  overflow: auto;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--dark-gray);
  max-height: 400px;
  white-space: pre;
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
  .preview-content {
    min-height: 300px;
    padding: 0;
  }
  
  .empty-state,
  .loading-state {
    padding: 30px 15px;
  }
  
  .empty-state i,
  .loading-state .spinner {
    margin-bottom: 15px;
  }
  
  .check-status-btn,
  .test-server-btn,
  .regenerate-btn {
    width: 100%;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
  
  .server-status {
    padding: 10px;
    font-size: 0.85rem;
  }
  
  .code-header {
    padding: 8px;
  }
  
  .code-block {
    padding: 15px;
    font-size: 0.85rem;
    max-height: 350px;
  }
}

@media (max-width: 480px) {
  .preview-content {
    min-height: 250px;
  }
  
  .rendering-state {
    padding: 20px;
  }
  
  .rendering-state .spinner {
    width: 30px;
    height: 30px;
    margin-bottom: 15px;
  }
  
  .render-error {
    padding: 15px;
    font-size: 0.85rem;
    margin: 10px;
  }
  
  .render-error i {
    font-size: 2rem;
    margin-bottom: 10px;
  }
  
  .render-error h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
  }
  
  .render-error pre {
    padding: 8px;
    font-size: 0.8rem;
    max-height: 150px;
  }
  
  .render-error-hint {
    font-size: 0.9rem;
  }
}

/* ================================================
   RefinementDrawer - 二次编辑微调抽屉样式
   ================================================ */

/* 仅用于承载开场动画，不遮暗或模糊左侧预览 */
.refine-backdrop {
  position: fixed;
  inset: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  z-index: 105000;
  pointer-events: none; /* 背景不拦截左侧点击，让用户感知对比 */
  animation: backdropFadeIn 0.3s ease forwards;
}

@keyframes backdropFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* 抽屉主体 */
.refine-drawer {
  position: fixed;
  top: var(--vv-top, 0);
  right: 0;
  bottom: 0;
  width: 48%;
  min-width: 320px;
  max-width: 820px;
  height: 100%;
  height: var(--vv-height, 100dvh);
  max-height: var(--vv-height, 100dvh);
  z-index: 105001;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #0d1117 0%, #0a0e16 100%);
  border-left: 1px solid #d3e3fd;
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6), -2px 0 20px rgba(0, 170, 255, 0.08);
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  box-sizing: border-box;
}

.refine-drawer.open {
  transform: translateX(0);
}

/* ── 头部 ─────────────────────────────────────── */
.refine-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  padding-top: max(14px, env(safe-area-inset-top));
  padding-right: max(20px, env(safe-area-inset-right));
  background: linear-gradient(90deg, rgba(0, 170, 255, 0.08), transparent);
  border-bottom: 1px solid rgba(26, 115, 232, 0.1);
  flex-shrink: 0;
}

.refine-drawer-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: #e0e8ff;
}

.refine-drawer-title i {
  font-size: 20px;
  color: #1a73e8;
  filter: none;
}

.refine-drawer-subtitle {
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.45);
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: 10px;
  margin-left: 2px;
}

.refine-close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.refine-close-btn:hover:not(:disabled) {
  background: rgba(255, 80, 80, 0.15);
  border-color: rgba(255, 80, 80, 0.4);
  color: #ff6b6b;
}

.refine-close-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── 主体（可滚动） ────────────────────────────── */
.refine-drawer-body {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.refine-drawer-body::-webkit-scrollbar {
  width: 4px;
}

.refine-drawer-body::-webkit-scrollbar-track {
  background: transparent;
}

.refine-drawer-body::-webkit-scrollbar-thumb {
  background: rgba(26, 115, 232, 0.14);
  border-radius: 4px;
}

/* ── 预览区 ───────────────────────────────────── */
.refine-preview-section {
  padding: 14px 16px 20px;
  animation: slideUp 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.refine-preview-label {
  font-size: 12px;
  font-weight: 600;
  color: #1a73e8;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.refine-result-preview {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(26, 115, 232, 0.14);
  background: rgba(0, 10, 25, 0.6);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  min-height: 240px;
  max-height: 420px;
  position: relative;
}

.refine-iframe-preview {
  min-height: 300px;
}

.refine-iframe {
  width: 100%;
  height: 380px;
  border: none;
  display: block;
}

.refine-code-preview {
  max-height: 260px;
  overflow-y: auto;
}

.refine-geogebra-preview {
  min-height: 380px;
  max-height: 460px;
}

.refine-code-block {
  margin: 0;
  padding: 16px;
  font-size: 11px;
  font-family: "Fira Code", "Consolas", monospace;
  color: rgba(0, 200, 100, 0.9);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.5;
}

/* ── 对话历史 ─────────────────────────────────── */
.refine-chat-history {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.refine-chat-empty {
  margin: auto;
  text-align: center;
  color: rgba(255, 255, 255, 0.35);
  padding: 40px 20px;
}

.refine-chat-empty i {
  font-size: 36px;
  color: #d3e3fd;
  display: block;
  margin-bottom: 12px;
}

.refine-chat-empty p {
  margin: 0 0 6px;
  font-size: 14px;
}

.refine-chat-hint {
  font-size: 12px !important;
  color: rgba(255, 255, 255, 0.2) !important;
}

/* 消息气泡 */
.refine-message {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  animation: msgFadeIn 0.25s ease forwards;
}

@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.refine-message-user {
  flex-direction: row-reverse;
}

.refine-message-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.refine-message-user .refine-message-avatar {
  background: #f0f4f9; border: 1px solid #d3e3fd;
  border: 1px solid #d3e3fd;
  color: #1a73e8;
}

.refine-message-assistant .refine-message-avatar {
  background: linear-gradient(135deg, rgba(100, 200, 100, 0.15), rgba(0, 150, 80, 0.2));
  border: 1px solid rgba(0, 180, 100, 0.25);
  color: #00cc66;
}

.refine-message-content {
  /* max-width: 80%;  <-- 移除这个限制，让wrapper控制 */
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.55;
  width: fit-content;
}

.refine-message-image {
  width: fit-content;
  max-width: min(260px, 100%);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #d3e3fd;
  background: rgba(0, 10, 25, 0.4);
}

.refine-message-image img {
  display: block;
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
}

.refine-message-content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1; /* 占据剩余全部宽度，防止被短文本压缩 */
  min-width: 0; /* 防止内容溢出撑破flex */
  max-width: 90%; /* 稍微放宽一点最大宽度 */
}

.refine-result-container {
  width: 100%;
  margin-top: 4px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(26, 115, 232, 0.14);
  background: rgba(0, 10, 25, 0.4);
  animation: slideUp 0.3s ease forwards;
}

.refine-result-embedded {
  width: 100%;
  /* 移除全局 max-height，让各自的组件控制高度 */
  position: relative;
}

.refine-result-embedded .preview-content {
  min-height: 360px;
  border-radius: 12px;
}

.refine-result-embedded .video-player {
  min-height: 360px;
}

/* 针对不同类型的嵌入做微调 */
.refine-iframe-embedded {
  height: 450px; /* 修复3D模式嵌入没有高度的问题，增加高度 */
}

.refine-geogebra-embedded {
  height: 550px; /* 显著增加GGB的高度，避免被截断 */
}

.refine-message-user .refine-message-content-wrapper {
  align-items: flex-end;
}

.refine-message-assistant .refine-message-content-wrapper {
  align-items: flex-start;
}

.refine-message-user .refine-message-content {
  background: rgba(26, 115, 232, 0.1);
  border: 1px solid #d3e3fd;
  color: #d0e8ff;
  border-top-right-radius: 4px;
}

.refine-message-assistant .refine-message-content {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.8);
  border-top-left-radius: 4px;
}

/* 生成中动画 */
.refine-loading-msg {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 140px;
  padding: 12px 16px;
}

.refine-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(0, 170, 255, 0.6);
  animation: dotBounce 1.2s infinite ease-in-out;
  flex-shrink: 0;
}

.refine-dot:nth-child(1) { animation-delay: 0s; }
.refine-dot:nth-child(2) { animation-delay: 0.2s; }
.refine-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
  40%           { transform: scale(1.1); opacity: 1; }
}

.refine-loading-text {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 4px;
  flex-shrink: 0;
}

/* ── 输入区 ───────────────────────────────────── */
.refine-input-area {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  padding: 12px 16px;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-left: max(16px, env(safe-area-inset-left));
  border-top: 1px solid rgba(26, 115, 232, 0.08);
  background: rgba(0, 8, 20, 0.7);
  flex-shrink: 0 !important; /* 核心：绝不可被 flex 压缩，保证输入区完整可见 */
  box-sizing: border-box;
}

.refine-input-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.refine-input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.refine-upload-btn {
  width: 42px;
  min-height: 42px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(26, 115, 232, 0.14);
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: all 0.2s ease;
}

.refine-upload-btn:hover:not(:disabled),
.refine-upload-btn.has-file {
  color: #1a73e8;
  border-color: #a8c7fa;
  background: rgba(26, 115, 232, 0.08);
}

.refine-upload-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.refine-upload-btn i {
  font-size: 18px;
}

.refine-upload-indicator {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  background: #1a73e8;
  border-radius: 50%;
  box-shadow: none;
}

.refine-image-preview {
  position: relative;
  width: fit-content;
  max-width: 260px;
  max-height: clamp(70px, 16vh, 150px);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #d3e3fd;
  background: rgba(0, 10, 25, 0.55);
}

.refine-image-preview img {
  display: block;
  max-width: 100%;
  max-height: clamp(70px, 16vh, 150px);
  object-fit: contain;
}

.refine-remove-image-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

.refine-remove-image-btn:hover:not(:disabled) {
  background: rgba(255, 80, 80, 0.75);
}

.refine-textarea {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(26, 115, 232, 0.14);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13.5px;
  color: #e0e8ff;
  resize: none;
  outline: none;
  font-family: inherit;
  line-height: 1.5;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 46px;
  max-height: 110px;
  overflow-y: auto;
  box-sizing: border-box;
}

.refine-textarea::placeholder {
  color: rgba(255, 255, 255, 0.25);
  font-size: 13px;
}

.refine-textarea:focus {
  border-color: #a8c7fa;
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.08);
}

.refine-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.refine-send-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: #1a73e8;
  border: 1px solid #a8c7fa;
  border-radius: 10px;
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  flex-shrink: 0;
  height: fit-content;
  align-self: flex-end;
  min-height: 42px;
}

.refine-send-btn:hover:not(:disabled) {
  background: #1557b0;
  box-shadow: 0 4px 15px rgba(0, 170, 255, 0.35);
  transform: translateY(-1px);
}

.refine-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.refine-send-btn i {
  font-size: 15px;
}

/* 旋转动画（用于loading状态） */
.rotating {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── 片段选择条 ───────────────────────────────── */

.refine-segment-bar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 16px 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.15);
  flex-shrink: 0 !important;
}

.refine-segment-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.refine-segment-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.refine-segment-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.refine-segment-chip:hover:not(:disabled) {
  background: rgba(0, 190, 255, 0.12);
  border-color: rgba(0, 190, 255, 0.4);
  color: rgba(0, 210, 255, 0.9);
}

.refine-segment-chip.active {
  background: rgba(26, 115, 232, 0.12);
  border-color: rgba(0, 190, 255, 0.6);
  color: rgba(0, 220, 255, 1);
  font-weight: 600;
}

.refine-segment-chip:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.refine-segment-hint {
  font-size: 11px;
  color: rgba(0, 200, 255, 0.7);
  font-style: italic;
}

/* 片段选择卡片样式 */
.refine-segment-cards {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 8px 4px;
  scroll-behavior: smooth;
}

.refine-segment-cards::-webkit-scrollbar {
  height: 4px;
}

.refine-segment-cards::-webkit-scrollbar-track {
  background: transparent;
}

.refine-segment-cards::-webkit-scrollbar-thumb {
  background: rgba(26, 115, 232, 0.14);
  border-radius: 4px;
}

/* 单个片段卡片 */
.refine-segment-card {
  flex: 0 0 120px;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.refine-segment-card:hover:not(.disabled) {
  border-color: #a8c7fa;
  background: rgba(0, 170, 255, 0.05);
  transform: translateY(-2px);
}

.refine-segment-card.active {
  border-color: #1a73e8;
  background: rgba(26, 115, 232, 0.08);
  box-shadow: none;
}

.refine-segment-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.refine-segment-card.failed {
  border-color: rgba(255, 82, 82, 0.65);
  background: rgba(255, 82, 82, 0.08);
}

.refine-segment-card.failed .refine-segment-card-preview-placeholder,
.refine-segment-card.failed .refine-segment-card-desc {
  color: #ff6b6b;
}

/* 预览区域 */
.refine-segment-card-preview {
  position: relative;
  width: 100%;
  height: 68px;
  background: #000;
  overflow: hidden;
}

.refine-segment-video-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.refine-segment-card-preview-placeholder {
  width: 100%;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  color: rgba(255, 255, 255, 0.25);
}

.refine-segment-card-preview-placeholder i {
  font-size: 24px;
}

/* 角标 */
.refine-segment-card-badge {
  position: absolute;
  top: 4px;
  left: 6px;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  line-height: 1;
  z-index: 2;
}

/* 卡片信息 */
.refine-segment-card-info {
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.refine-segment-card-title {
  font-size: 11px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.refine-segment-card-all .refine-segment-card-preview-placeholder {
  height: 68px;
  background: #e8f0fe;
  color: #1a73e8;
}

.refine-segment-card-all .refine-segment-card-title {
  font-weight: 600;
  color: #1a73e8;
}

.refine-segment-card-desc {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.35);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── 响应式 ───────────────────────────────────── */
@media (max-width: 900px) {
  .refine-backdrop {
    pointer-events: auto !important;
    background: rgba(0, 0, 0, 0.45) !important;
    backdrop-filter: blur(4px) !important;
    -webkit-backdrop-filter: blur(4px) !important;
    cursor: pointer;
  }

  .refine-drawer {
    width: min(580px, 100%) !important;
    min-width: 0 !important;
    max-width: 100% !important;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.5) !important;
  }
}

@media (max-width: 600px) {
  .refine-drawer {
    width: 100% !important;
    border-radius: 0 !important;
  }

  .refine-drawer-subtitle {
    display: none;
  }
}

/* 针对折叠屏横屏、矮屏幕或软键盘极高状态的紧凑适配 */
@media (max-height: 640px) {
  .refine-drawer-header {
    padding: 8px 14px;
    padding-top: max(8px, env(safe-area-inset-top));
  }
  .refine-drawer-title {
    font-size: 14px;
  }
  .refine-drawer-title i {
    font-size: 16px;
  }
  .refine-drawer-subtitle {
    display: none;
  }
  .refine-close-btn {
    width: 28px;
    height: 28px;
  }
  .refine-segment-bar {
    padding: 4px 10px 3px;
    gap: 3px;
  }
  .refine-segment-cards {
    padding: 3px 0;
    gap: 8px;
  }
  .refine-segment-card {
    flex: 0 0 96px;
  }
  .refine-segment-card-preview,
  .refine-segment-card-preview-placeholder {
    height: 44px;
  }
  .refine-segment-card-info {
    padding: 3px 6px;
  }
  .refine-image-preview {
    max-height: 80px;
  }
  .refine-image-preview img {
    max-height: 80px;
  }
  .refine-input-area {
    padding: 6px 12px;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
  }
  .refine-textarea {
    min-height: 38px;
    max-height: 70px;
    padding: 6px 10px;
    font-size: 13px;
  }
  .refine-upload-btn,
  .refine-send-btn {
    min-height: 38px;
    height: 38px;
    padding: 6px 12px;
  }
}

@media (min-width: 901px) {
  html[data-theme='light'] .refine-backdrop {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}
@media (max-width: 900px) {
  html[data-theme='light'] .refine-backdrop {
    background: rgba(0, 0, 0, 0.4) !important;
    pointer-events: auto !important;
    cursor: pointer;
  }
}
html[data-theme='light'] .refine-drawer {
  color: var(--hm-ink) !important; background: rgba(255,255,255,.98) !important;
  border: 0 !important; border-left: 1px solid #dce3ec !important;
  border-radius: 22px 0 0 22px !important; box-shadow: -16px 0 48px rgba(37,55,84,.16) !important;
}
html[data-theme='light'] .refine-drawer-header {
  color: var(--hm-ink) !important; background: #fff !important; border-color: #e7ebf1 !important;
}
html[data-theme='light'] .refine-drawer-title { color: var(--hm-ink) !important; text-shadow: none !important; }
html[data-theme='light'] .refine-drawer-subtitle,
html[data-theme='light'] .refine-chat-hint { color: var(--hm-muted) !important; }
html[data-theme='light'] .refine-chat-empty,
html[data-theme='light'] .refine-input-area,
html[data-theme='light'] .refine-result-container,
html[data-theme='light'] .refine-segment-card {
  color: var(--hm-ink) !important; background: #f8fafd !important;
  border: 1px solid #e1e7ef !important; border-radius: 14px !important; box-shadow: none !important;
}
html[data-theme='light'] .refine-segment-card:hover {
  background: #fff !important; border-color: #b9cde8 !important; box-shadow: var(--hm-shadow-sm) !important;
}
html[data-theme='light'] .refine-segment-card.active {
  background: #eef5ff !important; border-color: #8eb6eb !important;
  box-shadow: 0 0 0 3px rgba(26,115,232,.08) !important;
}
html[data-theme='light'] .refine-segment-card-title { color: var(--hm-ink) !important; }
html[data-theme='light'] .refine-segment-card-desc { color: #77818c !important; }
html[data-theme='light'] .refine-textarea {
  color: var(--hm-ink) !important; background: #fff !important;
  border: 1px solid #cfd9e6 !important; border-radius: 11px !important; box-shadow: none !important;
}
html[data-theme='light'] .refine-close-btn,
html[data-theme='light'] .refine-upload-btn {
  color: #4f5965 !important; background: #fff !important;
  border: 1px solid #d8e1ec !important; border-radius: 11px !important;
}
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* Remix Icon v4.9.1
* https://remixicon.com
* https://github.com/Remix-Design/RemixIcon
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* Copyright RemixIcon.com
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* Date: 2026-01-29
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  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
/* inter-cyrillic-ext-500-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/inter-cyrillic-ext-500-normal.c1d10651.woff2) format('woff2'), url(/inter-cyrillic-ext-500-normal.9e27a0a4.woff) format('woff');
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F;
}

/* inter-cyrillic-500-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/inter-cyrillic-500-normal.e590af46.woff2) format('woff2'), url(/inter-cyrillic-500-normal.768ce147.woff) format('woff');
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
}

/* inter-greek-ext-500-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/inter-greek-ext-500-normal.769b58c4.woff2) format('woff2'), url(/inter-greek-ext-500-normal.29bb5d6d.woff) format('woff');
  unicode-range: U+1F00-1FFF;
}

/* inter-greek-500-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/inter-greek-500-normal.72def4f0.woff2) format('woff2'), url(/inter-greek-500-normal.f4846f50.woff) format('woff');
  unicode-range: U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;
}

/* inter-vietnamese-500-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/inter-vietnamese-500-normal.d45fc0ae.woff2) format('woff2'), url(/inter-vietnamese-500-normal.0eaa9b30.woff) format('woff');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}

/* inter-latin-ext-500-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/inter-latin-ext-500-normal.6c9deab9.woff2) format('woff2'), url(/inter-latin-ext-500-normal.934cad80.woff) format('woff');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

/* inter-latin-500-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(/inter-latin-500-normal.cced7c71.woff2) format('woff2'), url(/inter-latin-500-normal.8e06b8e1.woff) format('woff');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
/* inter-cyrillic-ext-600-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/inter-cyrillic-ext-600-normal.c7dc3d23.woff2) format('woff2'), url(/inter-cyrillic-ext-600-normal.57272c30.woff) format('woff');
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F;
}

/* inter-cyrillic-600-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/inter-cyrillic-600-normal.86c3a36d.woff2) format('woff2'), url(/inter-cyrillic-600-normal.f4b6c101.woff) format('woff');
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
}

/* inter-greek-ext-600-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/inter-greek-ext-600-normal.11eb5abf.woff2) format('woff2'), url(/inter-greek-ext-600-normal.0d595562.woff) format('woff');
  unicode-range: U+1F00-1FFF;
}

/* inter-greek-600-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/inter-greek-600-normal.78480e7f.woff2) format('woff2'), url(/inter-greek-600-normal.86a89c64.woff) format('woff');
  unicode-range: U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;
}

/* inter-vietnamese-600-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/inter-vietnamese-600-normal.defcb257.woff2) format('woff2'), url(/inter-vietnamese-600-normal.668df1e5.woff) format('woff');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}

/* inter-latin-ext-600-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/inter-latin-ext-600-normal.02151d1b.woff2) format('woff2'), url(/inter-latin-ext-600-normal.65ca1762.woff) format('woff');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

/* inter-latin-600-normal */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(/inter-latin-600-normal.c50ac62d.woff2) format('woff2'), url(/inter-latin-600-normal.08103aa6.woff) format('woff');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
/* roboto-mono-cyrillic-ext-400-normal */
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/roboto-mono-cyrillic-ext-400-normal.52b7c1da.woff2) format('woff2'), url(/roboto-mono-cyrillic-ext-400-normal.bf4b34e7.woff) format('woff');
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F;
}

/* roboto-mono-cyrillic-400-normal */
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/roboto-mono-cyrillic-400-normal.090a1e34.woff2) format('woff2'), url(/roboto-mono-cyrillic-400-normal.b624e6c6.woff) format('woff');
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
}

/* roboto-mono-greek-400-normal */
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/roboto-mono-greek-400-normal.6926bd0a.woff2) format('woff2'), url(/roboto-mono-greek-400-normal.4166f07c.woff) format('woff');
  unicode-range: U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;
}

/* roboto-mono-vietnamese-400-normal */
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/roboto-mono-vietnamese-400-normal.a10596bc.woff2) format('woff2'), url(/roboto-mono-vietnamese-400-normal.fd90c3b9.woff) format('woff');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}

/* roboto-mono-latin-ext-400-normal */
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/roboto-mono-latin-ext-400-normal.9272e172.woff2) format('woff2'), url(/roboto-mono-latin-ext-400-normal.1973f67e.woff) format('woff');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

/* roboto-mono-latin-400-normal */
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(/roboto-mono-latin-400-normal.3c4f31cc.woff2) format('woff2'), url(/roboto-mono-latin-400-normal.72125140.woff) format('woff');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
/* 全局样式 */
:root {
  /* Landing-cover visual language shared by internal pages */
  --hm-blue: #1a73e8;
  --hm-blue-strong: #0b57d0;
  --hm-indigo: #635bff;
  --hm-ink: #202124;
  --hm-muted: #687078;
  --hm-line: #e1e7ef;
  --hm-soft: #f7f9fc;
  --hm-panel: rgba(255, 255, 255, 0.92);
  --hm-shadow-sm: 0 4px 16px rgba(37, 55, 84, 0.07);
  --hm-shadow-md: 0 16px 42px rgba(37, 55, 84, 0.1);
  --hm-radius: 18px;
  --hm-radius-lg: 24px;
  --primary-color: #ffffff;
  --secondary-color: #f0f4f9;
  --accent-color: #1a73e8;
  --accent-hover: #1557b0;
  --accent-glow: rgba(26, 115, 232, 0.15);
  --light-gray: #e3e3e3;
  --dark-gray: #f8fafd;
  --text-color: #1f1f1f;
  --text-secondary: #5f6368;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --shadow-strong: rgba(0, 0, 0, 0.1);
  --background-gradient: linear-gradient(
    145deg,
    #f8fafd 0%,
    #ffffff 100%
  );
  --error-color: #d93025;
  --success-color: #188038;
  --card-radius: 12px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --content-width: 1200px;
  --tech-line-color: rgba(26, 115, 232, 0.12);
  --tech-dot-color: rgba(26, 115, 232, 0.5);
  --border-color: #dadce0;
  --hover-color: rgba(60, 64, 67, 0.08);

  /* Glassmorphism & Adaptive Theme Variables - Permanent Light Mode */
  --glass-background: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  --glass-shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.08);
  --glass-text: #1f1f1f;
  --input-bg: #f0f4f9;
  --input-border: rgba(0, 0, 0, 0.05);
  --input-focus-bg: #ffffff;
  --input-btn-color: #5f6368;
  --input-placeholder-color: #757575;
  --card-background: #ffffff;
  --shadow-glow: rgba(26, 115, 232, 0.15);

  /* Petal & Submit Button Theme Variables - Permanent Light Mode */
  --petal-bg: rgba(255, 255, 255, 0.95);
  --petal-border: rgba(26, 115, 232, 0.2);
  --petal-color: #1f1f1f;
  --petal-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  --petal-active-bg: rgba(26, 115, 232, 0.12);
  --petal-active-border: var(--accent-color);
  --petal-active-color: var(--accent-color);
  --petal-active-shadow: 0 0 12px var(--accent-glow);

  --submit-disabled-bg: #e8eaed;
  --submit-disabled-border: rgba(0, 0, 0, 0.05);
  --submit-disabled-color: #9aa0a6;
}

/* Light Theme Variables - Gemini-inspired Modern and Clean Style */
:root[data-theme='light'],
body.light-theme {
  --primary-color: #ffffff;
  --secondary-color: #f0f4f9;
  --accent-color: #1a73e8;
  --accent-hover: #1557b0;
  --accent-glow: rgba(26, 115, 232, 0.15);
  --light-gray: #e3e3e3;
  --dark-gray: #f8fafd;
  --text-color: #1f1f1f;
  --text-secondary: #5f6368;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --shadow-strong: rgba(0, 0, 0, 0.1);
  --background-gradient: linear-gradient(
    145deg,
    #f8fafd 0%,
    #ffffff 100%
  );
  --error-color: #d93025;
  --success-color: #188038;
  --border-color: #dadce0;
  --hover-color: rgba(60, 64, 67, 0.08);
  --tech-line-color: rgba(26, 115, 232, 0.12);
  --tech-dot-color: rgba(26, 115, 232, 0.5);

  /* Glassmorphism & Adaptive Theme Variables - Light Mode */
  --glass-background: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
  --glass-shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.08);
  --glass-text: #1f1f1f;
  --input-bg: #f0f4f9;
  --input-border: rgba(0, 0, 0, 0.05);
  --input-focus-bg: #ffffff;
  --input-btn-color: #5f6368;
  --input-placeholder-color: #757575;
  --card-background: #ffffff;
  --shadow-glow: rgba(26, 115, 232, 0.15);

  /* Petal & Submit Button Theme Variables - Light Mode */
  --petal-bg: rgba(255, 255, 255, 0.95);
  --petal-border: rgba(26, 115, 232, 0.2);
  --petal-color: #1f1f1f;
  --petal-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  --petal-active-bg: rgba(26, 115, 232, 0.12);
  --petal-active-border: var(--accent-color);
  --petal-active-color: var(--accent-color);
  --petal-active-shadow: 0 0 12px var(--accent-glow);

  --submit-disabled-bg: #e8eaed;
  --submit-disabled-border: rgba(0, 0, 0, 0.05);
  --submit-disabled-color: #9aa0a6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  width: 100%;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--background-gradient);
  color: var(--text-color);
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.6;
}

#root {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* 应用容器 */
.app-container {
  position: relative;
  min-height: 100vh;
  z-index: 1;
}

/* 背景动画样式 */
.math-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
  opacity: 0.3;
  contain: layout style paint;
}

/* 白板全屏模式下隐藏背景漂浮符号，减轻画布渲染压力 */
body:has(.layout-container--board) .math-animation {
  display: none;
}

.math-symbol {
  position: absolute;
  top: 0;
  color: var(--accent-color);
  opacity: 0;
  animation: float 24s linear infinite both;
  z-index: 1;
  will-change: transform, opacity;
  user-select: none;
}

@keyframes float {
  0% {
    transform: translate3d(0, 105vh, 0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: var(--symbol-opacity, 0.4);
  }
  90% {
    opacity: var(--symbol-opacity, 0.4);
  }
  100% {
    transform: translate3d(0, -15vh, 0) rotate(360deg);
    opacity: 0;
  }
}


/* 解题模式专用样式 */
.solve-stream {
  line-height: 1.8;
  font-size: 16px;
  color: var(--text-color, #1f1f1f);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  white-space: normal;
}

.solve-stream h1,
.solve-stream h2,
.solve-stream h3,
.solve-stream h4 {
  color: var(--hm-ink, #202124);
  font-weight: 600;
}

.solve-stream p {
  margin: 1em 0;
  padding: 0;
  color: var(--text-color, #1f1f1f);
}

.solve-stream ul,
.solve-stream ol {
  margin: 1em 0;
  padding-left: 2em;
  color: var(--text-color, #1f1f1f);
}

.solve-stream li {
  margin: 0.5em 0;
  line-height: 1.6;
}

.solve-stream strong {
  color: var(--hm-blue-strong, #0b57d0);
  font-weight: 600;
}

.solve-stream em {
  color: var(--hm-muted, #5f6368);
  font-style: italic;
}

/* 数学公式容器优化 */
.solve-stream .katex-display {
  margin: 1.5em 0;
  text-align: center;
  background: rgba(26, 115, 232, 0.04);
  border-radius: 8px;
  padding: 1em;
  border: 1px solid rgba(26, 115, 232, 0.12);
  border-left: 4px solid var(--accent-color, #1a73e8);
}

.solve-stream .katex {
  font-size: 1.08em;
  color: var(--text-color, #1f1f1f);
}

.solve-stream .katex-error {
  color: #d93025 !important;
  background: rgba(217, 48, 37, 0.08);
  border: 1px dashed rgba(217, 48, 37, 0.4);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9em;
  word-break: break-all;
}

/* 步骤列表优化 */
.solve-stream ul li strong {
  display: inline-block;
  margin-bottom: 0.5em;
  color: var(--hm-blue-strong, #0b57d0);
  border-bottom: 1px solid rgba(26, 115, 232, 0.25);
  padding-bottom: 2px;
}

/* 数学错误样式 */
.math-error {
  background: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.3);
  border-radius: 4px;
  padding: 0.25em 0.5em;
  color: #ff9999;
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

.math-error code {
  background: none;
  color: inherit;
  padding: 0;
}

/* 解题阶段指示器 */
.solve-phase-indicator {
  position: sticky;
  top: 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  border: 1px solid var(--accent-color);
  border-radius: 25px;
  padding: 0.75em 1.5em;
  margin: 1em 0;
  text-align: center;
  font-weight: 600;
  color: var(--accent-color);
  z-index: 10;
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.2);
  animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  from {
    box-shadow: 0 4px 12px rgba(79, 109, 245, 0.2);
  }
  to {
    box-shadow: 0 4px 20px rgba(79, 109, 245, 0.4);
  }
}

/* 解题模式响应式优化 */
@media (max-width: 768px) {
  .solve-stream {
    font-size: 14px;
    line-height: 1.6;
  }

  .solve-stream .katex-display {
    margin: 1em 0;
    padding: 0.75em;
  }

  .solve-phase-indicator {
    font-size: 14px;
    padding: 0.5em 1em;
  }
}

/* 科技感头部 */
.tech-header {
  padding-left: 0 !important;
  padding-right: 0 !important;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

/* 如果需要为内部内容保留水平边距，可针对 .tech-header > * 设置内边距 */
.tech-header .header-button-container,
.tech-header .title-container {
  padding-left: 2rem;
  padding-right: 2rem;
}

.logo-container {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  animation: logo-breath 6s infinite ease-in-out;
}

@keyframes logo-breath {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

.logo-glow {
  display: none !important;
}

/* Logo脉冲效果(已禁用) */
.logo-pulse {
  display: none !important;
}

/* Logo电路效果(已禁用) */
.logo-circuit {
  display: none !important;
}

@keyframes logoPulse {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    opacity: 0.2;
    transform: scale(1.1);
  }
  100% {
    opacity: 0;
    transform: scale(1.3);
  }
}

@keyframes circuitFlow {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 400px 400px;
  }
}

@keyframes logoGlow {
  0% {
    box-shadow: 0 0 30px 10px var(--accent-glow);
    opacity: 0.45;
  }
  100% {
    box-shadow: 0 0 55px 18px var(--accent-glow);
    opacity: 0.8;
  }
}

.header-decoration {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.5rem auto 0.5rem;
  max-width: 400px;
  position: relative;
  display: none; /* 隐藏蓝色分界线 */
}

.header-decoration::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(79, 109, 245, 0.2),
    transparent
  );
}

.tech-line {
  height: 1px;
  flex-grow: 1;
  background: var(--tech-line-color);
}

.tech-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tech-dot-color);
  margin: 0 10px;
  box-shadow: 0 0 10px 2px var(--accent-glow);
  animation: dotPulse 3s infinite alternate;
}

@keyframes dotPulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.3);
    opacity: 1;
  }
}

/* 科技感卡片 */
.tech-card {
  background: rgba(18, 25, 47, 0.8);
  border: 1px solid rgba(0, 122, 255, 0.3);
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4),
    0 0 15px rgba(0, 122, 255, 0.2) inset;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.tech-card::before,
.tech-card::after {
  display: none !important;
}

/* 科技感页脚 */
.tech-footer {
  padding: 2.5rem 2rem;
  margin-top: 2.5rem;
  position: relative;
  text-align: center;
  z-index: 2;
  background: rgba(30, 30, 40, 0.5);
  border-top: 1px solid rgba(79, 109, 245, 0.1);
  backdrop-filter: blur(10px);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  max-width: var(--content-width);
  margin: 0 auto;
}

.footer-divider {
  width: 70%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--tech-line-color),
    transparent
  );
  margin: 0.5rem 0;
}

.tech-footer-decoration {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem auto 0.5rem;
  max-width: 350px;
}

.banner-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1rem;
}

.banner-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  letter-spacing: 1px;
}

/* Footer中的ScrollingBanner位置调整 */
.banner-section .scrolling-banner {
  position: relative;
  height: 200px;
  width: 100%;
  z-index: 1;
  opacity: 0.8;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(18, 25, 47, 0.3);
}

/* 特别鸣谢部分 - 更新样式 */
.credits-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.credits-title {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--tech-line-color);
  position: relative;
  letter-spacing: 1px;
}

.credits-title::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 30%;
  width: 40%;
  height: 2px;
  background-color: var(--accent-color);
  animation: creditsTitleGlow 3s infinite alternate;
}

.credits-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.credit-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(50, 50, 50, 0.7);
  border: 1px solid rgba(79, 109, 245, 0.2);
  border-radius: 8px;
  padding: 1rem;
  min-width: 120px;
  transform: translateY(0);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.credit-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
  box-shadow: 0 5px 15px rgba(79, 109, 245, 0.2);
}

.credit-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(79, 109, 245, 0.1) 50%,
    transparent 100%
  );
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.credit-item:hover::before {
  transform: translateX(100%);
}

.credit-name {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 0.5rem;
  font-weight: 500;
  position: relative;
}

.credit-name::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--accent-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.credit-item:hover .credit-name::after {
  transform: scaleX(1);
  transform-origin: left;
}

.credit-role {
  font-size: 0.8rem;
  color: var(--accent-color);
}

/* 响应式调整 */
@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    max-width: var(--content-width);
    margin: 0 auto;
  }

  .footer-divider {
    width: 1px;
    height: 60px;
    margin: 0 1rem;
  }

  .credits-section {
    align-items: flex-end;
  }
}

/* 头部样式 */
header {
  padding: 1rem 2rem 0; /* 减小上方和下方的内边距 */
  text-align: center;
  background-color: transparent;
  position: relative;
  z-index: 2;
}

/* 标题容器样式 */
.title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0; /* 移除内边距 */
  background: transparent; /* 移除渐变背景 */
  border-radius: 8px;
  position: relative;
  margin-bottom: 0.5rem; /* 减小下边距 */
}

.title-container::before {
  display: none;
}

.title-container::after {
  display: none;
}

/* 标题样式增强 */
.logo {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 6px;
  margin-bottom: 0.5rem;
  color: var(--text-color);
  text-transform: uppercase;
  display: inline-block;
  position: relative;
  text-shadow: 0 0 15px rgba(79, 109, 245, 0.4);
  font-family: "Inter", sans-serif;
  background: linear-gradient(90deg, #f5f5f5 40%, #4f6df5 60%);
  background-size: 200% auto;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shineText 6s infinite linear;
}

@keyframes shineText {
  0% {
    background-position: 0% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* 移除原来的下划线 */
.logo::after {
  display: none;
}

/* AI标记样式 */
.logo-badge {
  position: absolute;
  top: 0;
  right: -40px;
  background-color: var(--accent-color);
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(79, 109, 245, 0.7);
  animation: badgePulse 2s infinite alternate;
  transform: translateY(20%);
  letter-spacing: 1px;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes badgePulse {
  0% {
    box-shadow: 0 0 10px rgba(79, 109, 245, 0.5);
    background-color: var(--accent-color);
  }
  100% {
    box-shadow: 0 0 15px rgba(79, 109, 245, 0.8);
    background-color: #3a56d4;
  }
}

.tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 0.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0.5px;
  position: relative;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 25%;
  width: 50%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(79, 109, 245, 0.3),
    transparent
  );
}

.tagline-en {
  font-size: 0.9rem;
  color: rgba(176, 176, 176, 0.8);
  font-weight: 400;
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 主要内容区样式 */
.container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto;
  gap: 2rem;
  padding: 0 2rem 3rem;
  max-width: var(--content-width);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

@media (min-width: 1200px) {
  .container {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
  }
}

/* 卡片基础样式 */
.card {
  background-color: var(--secondary-color);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  box-shadow: 0 10px 30px var(--shadow-color);
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px var(--shadow-strong);
}

/* 输入区域样式 */
.input-area {
  grid-column: 1 / -1;
  border-radius: 50px !important;
  /* 移除内边距和背景，因为内部胶囊已经有了完整的视觉效果 */
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  overflow: visible !important; /* 允许花瓣菜单溢出 */
}

.input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.input-title {
  font-size: 1.25rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-title i {
  color: var(--accent-color);
}

textarea {
  width: 100%;
  min-height: 150px;
  padding: 1.25rem;
  border: none;
  border-radius: 8px;
  background-color: var(--dark-gray);
  color: var(--text-color);
  font-size: 1rem;
  font-family: "Inter", sans-serif;
  resize: vertical;
  transition: all var(--transition-normal);
  line-height: 1.6;
}

textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-color);
}

.submit-btn {
  background-color: var(--accent-color);
  color: var(--text-color);
  border: none;
  border-radius: 8px;
  padding: 0.9rem 1.8rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.3);
  margin-left: 10px;
}

.submit-btn i {
  font-size: 1.2rem;
}

.submit-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(79, 109, 245, 0.4);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 响应区域样式 */
.response-area {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.response-content {
  font-size: 1rem;
  line-height: 1.7;
  white-space: pre-wrap;
  min-height: 200px;
  overflow-y: auto;
  max-height: 500px;
  padding-right: 0.5rem;
  font-family: "Roboto Mono", monospace;
  border-radius: 6px;
  padding: 1rem;
  background-color: var(--dark-gray);
}

.response-content::-webkit-scrollbar {
  width: 6px;
}

.response-content::-webkit-scrollbar-track {
  background: var(--dark-gray);
  border-radius: 6px;
}

.response-content::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 6px;
}

.loading-indicator {
  color: var(--text-secondary);
  font-style: italic;
  position: relative;
}

.loading-indicator::after {
  content: "...";
  animation: loading 1.5s infinite;
  position: absolute;
}

@keyframes loading {
  0% {
    content: ".";
  }
  33% {
    content: "..";
  }
  66% {
    content: "...";
  }
}

.placeholder {
  color: var(--text-secondary);
  font-style: italic;
  opacity: 0.7;
}

/* 错误消息样式 */
.error-message {
  color: var(--error-color);
  border-left: 3px solid var(--error-color);
  padding: 0.75rem 1rem;
  display: block;
  margin: 1rem 0;
  background-color: rgba(255, 82, 82, 0.1);
  border-radius: 0 6px 6px 0;
}

.error-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--error-color);
  text-align: center;
  padding: 2rem;
}

.error-display p {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.error-display small {
  color: var(--text-secondary);
  max-width: 90%;
  word-break: break-word;
  line-height: 1.5;
}

/* 动画预览区域样式 */
.animation-preview {
  display: flex;
  flex-direction: column;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.preview-title {
  font-size: 1.25rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-title i {
  color: var(--accent-color);
}

.preview-tabs {
  display: flex;
  gap: 0.5rem;
}

.tab-btn {
  background-color: var(--dark-gray);
  color: var(--text-secondary);
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tab-btn i {
  font-size: 1.1rem;
}

.tab-btn.active {
  background-color: var(--accent-color);
  color: var(--text-color);
}

.tab-btn:hover:not(.active) {
  background-color: rgba(79, 109, 245, 0.2);
  color: var(--light-gray);
}

.animation-container {
  flex: 1;
  background-color: var(--dark-gray);
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 350px;
  overflow: hidden;
  position: relative;
}

/* 加载动画 */
.loading-animation {
  position: relative;
  width: 60px;
  height: 60px;
}

.spinner {
  border: 3px solid transparent;
  border-top: 3px solid var(--accent-color);
  border-radius: 50%;
  width: 100%;
  height: 100%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.empty-preview {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
  max-width: 80%;
}

.code-preview {
  width: 100%;
  height: 100%;
  overflow: auto;
  padding: 1.5rem;
  font-family: "Roboto Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--dark-gray);
  white-space: pre;
}

.animation-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  color: var(--text-secondary);
  text-align: center;
  font-style: italic;
}

.math-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.math-symbol-large {
  font-size: 3rem;
  opacity: 0.8;
  color: var(--accent-color);
}

.math-symbol-medium {
  font-size: 2rem;
  opacity: 0.6;
}

.math-symbol-small {
  font-size: 1.5rem;
  opacity: 0.4;
}

.preview-note {
  font-size: 0.9rem;
  opacity: 0.7;
  animation: pulse 2s infinite;
  max-width: 60%;
}

@keyframes pulse {
  0% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 0.5;
  }
}

/* 底部样式 */
footer {
  background-color: var(--dark-gray);
  padding: 1.5rem;
  text-align: center;
  margin-top: auto;
  position: relative;
  z-index: 2;
}

.author-info {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.author-quote {
  font-style: italic;
  margin-top: 0.5rem;
  opacity: 0.8;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    padding: 0 1.5rem 2rem;
    gap: 1.5rem;
  }

  .card {
    padding: 1.25rem;
  }

  .logo {
    font-size: 2.25rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .animation-container {
    min-height: 300px;
  }
}

/* 新增美化元素 */
.copy-btn {
  background-color: var(--dark-gray);
  color: var(--text-secondary);
  border: none;
  border-radius: 4px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: auto;
}

.copy-btn:hover {
  background-color: var(--accent-color);
  color: var(--text-color);
}

.success-message {
  color: var(--success-color);
  border-left: 3px solid var(--success-color);
  padding: 0.75rem 1rem;
  display: block;
  margin: 1rem 0;
  background-color: rgba(76, 175, 80, 0.1);
  border-radius: 0 6px 6px 0;
}

/* 加载进度条 */
.progress-bar {
  width: 100%;
  height: 4px;
  background-color: var(--dark-gray);
  border-radius: 4px;
  margin-top: 1rem;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: var(--accent-color);
  border-radius: 4px;
  animation: loading-progress 2s infinite;
  width: 30%;
}

@keyframes loading-progress {
  0% {
    left: -30%;
  }
  100% {
    left: 100%;
  }
}

/* 页面加载动画 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--dark-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.page-loader-content {
  text-align: center;
}

.page-loader-logo {
  font-size: 2.5rem;
  color: var(--text-color);
  margin-bottom: 1.5rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.page-loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(79, 109, 245, 0.3);
  border-top: 3px solid var(--accent-color);
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 1s linear infinite;
}

/* 渲染错误样式 */
.render-error {
  background-color: rgba(255, 82, 82, 0.05);
  border-radius: 8px;
  padding: 20px;
  margin: 10px 0;
  max-width: 100%;
  overflow: auto;
}

.render-error h3 {
  color: #ff5252;
  margin-top: 0;
  margin-bottom: 15px;
}

.render-error pre {
  background-color: rgba(0, 0, 0, 0.05);
  padding: 15px;
  border-radius: 6px;
  overflow: auto;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 15px;
  white-space: pre-wrap;
}

/* AI修复按钮样式 */
.fix-btn {
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
  margin-top: 15px;
}

.fix-btn:hover {
  background-color: #3a56d4;
}

.fix-btn:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
  opacity: 0.7;
}

.fix-btn i {
  font-size: 16px;
}

/* 修复中状态样式 */
.fixing-state {
  margin-top: 15px;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  padding: 15px;
}

.fixing-state .spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(79, 109, 245, 0.3);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 10px;
  display: inline-block;
}

.fixing-state p {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.fixed-code-preview {
  max-height: 200px;
  overflow: auto;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 10px;
  border-radius: 6px;
  font-size: 12px;
  margin: 0;
  white-space: pre-wrap;
  color: var(--text-secondary);
}

/* 重新渲染按钮样式 */
.rerender-btn {
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
  margin-top: 15px;
}

.rerender-btn:hover {
  background-color: #3e8e41;
}

.rerender-btn i {
  font-size: 16px;
}

/* 检查状态按钮样式 */
.check-status-btn {
  background-color: #2196f3;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
  margin-top: 15px;
}

.check-status-btn:hover {
  background-color: #0b7dda;
}

.check-status-btn:disabled {
  background-color: #cccccc;
  cursor: wait;
  opacity: 0.7;
}

.check-status-btn i {
  font-size: 16px;
}

/* 视频播放器样式 */
.video-player {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.video-player video {
  width: 100%;
  max-width: 800px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.render-time {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 渲染中状态样式 */
.rendering-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.rendering-state .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(79, 109, 245, 0.3);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

.rendering-state p {
  color: var(--text-secondary);
  margin: 5px 0;
}

.render-tip {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 20px;
}

.loading-state .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(79, 109, 245, 0.3);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

.error-state {
  background-color: rgba(255, 82, 82, 0.05);
  border-radius: 8px;
  padding: 20px;
  margin: 10px 0;
  text-align: center;
}

.error-state i {
  color: #ff5252;
  font-size: 2rem;
  margin-bottom: 15px;
}

/* 代码容器样式 */
.code-container {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.03);
}

.code-header {
  display: flex;
  justify-content: flex-end;
  padding: 8px;
  background-color: rgba(0, 0, 0, 0.05);
}

.code-block {
  padding: 15px;
  margin: 0;
  overflow: auto;
  font-family: monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: transparent;
  max-height: 400px;
}

/* 预览内容容器 */
.preview-content {
  width: 100%;
  min-height: 400px;
  border-radius: 8px;
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.03);
  padding: 15px;
}

/* 动画容器样式 */
.animation-container {
  width: 100%;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* 渲染错误修复界面样式 */
.render-error-fix {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background-color: var(--dark-gray);
  border-radius: 8px;
  border-left: 4px solid var(--error-color);
  position: relative;
}

.render-error-fix h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--error-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.render-error-fix h3 i {
  font-size: 1.2rem;
}

.render-error-fix .error-message {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 120px;
  overflow-y: auto;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 0.75rem;
  border-radius: 4px;
}

.fixed-code-container {
  margin-top: 1.25rem;
  animation: fadeIn 0.3s ease-in-out;
}

.fixed-code-container h4 {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--success-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fixed-code {
  font-family: "Fira Code", monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  background-color: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  white-space: pre;
  color: var(--text-color);
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: 1rem;
  border-left: 3px solid var(--success-color);
}

.fixed-code-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.copy-fixed-btn {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--text-secondary);
  border-radius: 6px;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-normal);
}

.copy-fixed-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--text-color);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 确保复用现有样式 */
.render-error-fix .fix-btn,
.render-error-fix .rerender-btn {
  margin-top: 0.75rem;
}

/* 使用现有的修复中状态样式 */
.render-error-fix .fixing-state {
  margin-top: 1rem;
  background-color: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 6px;
  position: relative;
}

.render-error-fix .fixed-code-preview {
  font-family: "Fira Code", monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-top: 0.75rem;
  padding: 0.75rem;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  overflow-x: auto;
  white-space: pre;
  color: var(--text-color);
  opacity: 0.8;
  max-height: 200px;
  overflow-y: auto;
}

/* 服务器状态样式 */
.server-status {
  margin-top: 15px;
  padding: 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.server-status.success {
  background-color: rgba(76, 175, 80, 0.1);
  border-left: 3px solid var(--success-color);
  color: var(--success-color);
}

.server-status.error {
  background-color: rgba(255, 82, 82, 0.1);
  border-left: 3px solid var(--error-color);
  color: var(--error-color);
}

/* 创始人信息美化 */
.founder-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1rem 1.2rem;
  background: rgba(50, 50, 50, 0.7);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(79, 109, 245, 0.15);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.founder-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(79, 109, 245, 0.05) 50%,
    transparent 100%
  );
  z-index: 0;
}

.founder-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  border-color: rgba(79, 109, 245, 0.3);
}

.founder-avatar {
  position: relative;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  overflow: visible;
  flex-shrink: 0;
}

.founder-avatar-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-color), #2a4ce2);
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  position: relative;
  z-index: 1;
  box-shadow: 0 2px 10px rgba(79, 109, 245, 0.4);
}

.founder-avatar-glow {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  background: transparent;
  z-index: 0;
  box-shadow: 0 0 15px 5px rgba(79, 109, 245, 0.4);
  animation: founderGlow 3s infinite alternate;
}

@keyframes founderGlow {
  0% {
    opacity: 0.5;
    box-shadow: 0 0 10px 2px rgba(79, 109, 245, 0.3);
  }
  100% {
    opacity: 0.8;
    box-shadow: 0 0 20px 5px rgba(79, 109, 245, 0.5);
  }
}

.founder-details {
  display: flex;
  flex-direction: column;
  z-index: 1;
}

.founder-name {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.3rem;
  position: relative;
  display: inline-block;
}

.founder-name::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-color), transparent);
}

.founder-quote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.4;
  position: relative;
}

.founder-quote::before {
  content: open-quote;
  color: var(--accent-color);
  font-size: 1.2em;
  margin-right: 2px;
}

.founder-quote::after {
  content: close-quote;
  color: var(--accent-color);
  font-size: 1.2em;
  margin-left: 2px;
}

/* 响应式调整 */
@media (max-width: 480px) {
  .founder-card {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem 1rem;
  }

  .founder-name::after {
    left: 25%;
    width: 50%;
  }
}

@keyframes creditsTitleGlow {
  0% {
    box-shadow: 0 0 5px 1px rgba(79, 109, 245, 0.3);
  }
  100% {
    box-shadow: 0 0 10px 2px rgba(79, 109, 245, 0.5);
  }
}

/* 通行关卡样式 */
.access-gate {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--background-gradient);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  overflow: hidden;
}

.access-gate::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    rgba(79, 109, 245, 0.1) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  z-index: -1;
  animation: gatePulse 8s infinite alternate;
}

@keyframes gatePulse {
  0% {
    opacity: 0.3;
    transform: scale(0.9);
  }
  100% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.access-gate-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  animation: fadeIn 0.8s ease-out;
}

.access-gate-container .gate-container {
  box-sizing: border-box;
  padding: 20px;
  max-width: 460px;
  width: 100%;
}

.gate-logo-container {
  text-align: center;
  margin-bottom: 1rem;
}

.gate-logo {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
}

.gate-tagline {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.5px;
  margin-top: 0.5rem;
  position: relative;
  padding-bottom: 1rem;
}

.gate-tagline::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color),
    transparent
  );
}

.gate-card {
  width: 100%;
  background: rgba(25, 25, 30, 0.7);
  border-radius: var(--card-radius);
  backdrop-filter: blur(10px);
  /* overflow: hidden; */
  position: relative;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.3),
    0 0 1px rgba(255, 255, 255, 0.1) inset;
  transform: translateY(0);
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.gate-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color),
    transparent
  );
  opacity: 0.7;
}

.gate-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color),
    transparent
  );
  opacity: 0.3;
}

.gate-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 15px var(--accent-glow);
}

.gate-card-inner {
  padding: 2.5rem 2rem;
}

.gate-header {
  text-align: center;
  margin-bottom: 2rem;
}

.gate-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(
    90deg,
    var(--text-color),
    var(--accent-color) 70%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  letter-spacing: 1px;
}

.gate-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.gate-form {
  margin-bottom: 2rem;
}

.key-input-container {
  margin-bottom: 1.5rem;
  position: relative;
}

.key-input {
  width: 100%;
  background: rgba(30, 30, 35, 0.6);
  border: 1px solid rgba(79, 109, 245, 0.3);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  color: var(--text-color);
  font-size: 1rem;
  transition: all 0.2s ease;
  letter-spacing: 2px;
}

.key-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.key-input::placeholder {
  color: rgba(176, 176, 176, 0.5);
}

.key-error {
  color: var(--error-color);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  animation: errorShake 0.4s ease-in-out;
}

@keyframes errorShake {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-5px);
  }
  40%,
  80% {
    transform: translateX(5px);
  }
}

.key-submit {
  width: 100%;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.key-submit::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: all 0.5s ease;
}

.key-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(79, 109, 245, 0.4);
}

.key-submit:hover::before {
  left: 100%;
}

.key-submit:active {
  transform: translateY(1px);
}

.arrow-icon {
  font-style: normal;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.key-submit:hover .arrow-icon {
  transform: translateX(5px);
}

.gate-footer {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.contact-link {
  color: var(--accent-color);
  text-decoration: none;
  margin-left: 0.3rem;
  position: relative;
  display: inline-block;
  margin-top: 0.5rem;
  transition: all 0.2s ease;
}

.contact-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.contact-link:hover {
  color: white;
}

.contact-link:hover::after {
  width: 100%;
}

/* 响应式设计 */
@media (max-width: 480px) {
  .gate-card-inner {
    padding: 2rem 1.5rem;
  }

  .gate-header h2 {
    font-size: 1.5rem;
  }

  .key-input {
    padding: 0.8rem 1rem;
  }

  .key-submit {
    padding: 0.8rem;
  }
}

/* 数学符号背景动画 - 给通行关卡添加背景效果 */
.access-gate .math-symbol {
  opacity: 0.2;
  color: var(--accent-color);
  animation-duration: 30s;
}

/* 退出按钮样式 */
.logout-btn,
.change-password-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(25, 25, 30, 0.6);
  border: 1px solid rgba(79, 109, 245, 0.3);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  backdrop-filter: blur(10px);
}

.change-password-btn {
  position: relative;
  background: rgba(25, 25, 30, 0.7);
}

.logout-btn::before,
.change-password-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(79, 109, 245, 0.1),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.logout-btn:hover,
.change-password-btn:hover {
  color: var(--text-color);
  border-color: var(--accent-color);
  box-shadow: 0 0 15px rgba(79, 109, 245, 0.2);
}

.logout-btn:hover::before,
.change-password-btn:hover::before {
  opacity: 1;
}

@media (max-width: 480px) {
  .logout-btn,
  .change-password-btn {
    top: 1rem;
    right: 1rem;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}

/* 用户控制样式 */
.user-controls {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.user-credits {
  background: rgba(25, 25, 30, 0.7);
  border: 1px solid rgba(79, 109, 245, 0.3);
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-credits span {
  color: var(--text-color);
  font-weight: 500;
}

.user-credits span.low-credits {
  color: var(--error-color);
}

.recharge-btn {
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.recharge-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* 超级VIP徽章样式 */
.super-vip-badge-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.super-vip-badge {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
  border: 2px solid #FFD700;
  border-radius: 20px;
  padding: 8px 20px;
  color: #1a1a1a;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 
    0 4px 15px rgba(255, 215, 0, 0.4),
    0 0 20px rgba(255, 215, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  animation: vip-glow 2s ease-in-out infinite alternate;
  overflow: hidden;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.super-vip-badge i {
  font-size: 1.2rem;
  animation: crown-bounce 1.5s ease-in-out infinite;
}

.super-vip-text {
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.super-vip-shine {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 60%,
    transparent 100%
  );
  animation: shine-sweep 3s ease-in-out infinite;
}

@keyframes vip-glow {
  0% {
    box-shadow: 
      0 4px 15px rgba(255, 215, 0, 0.4),
      0 0 20px rgba(255, 215, 0, 0.3),
      inset 0 1px 0 rgba(255, 255, 255, 0.5);
  }
  100% {
    box-shadow: 
      0 4px 20px rgba(255, 215, 0, 0.6),
      0 0 30px rgba(255, 215, 0, 0.5),
      inset 0 1px 0 rgba(255, 255, 255, 0.7);
  }
}

@keyframes crown-bounce {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-3px) rotate(-5deg);
  }
}

@keyframes shine-sweep {
  0% {
    transform: translateX(-100%) translateY(-100%);
  }
  100% {
    transform: translateX(100%) translateY(100%);
  }
}

/* 模式消耗处的超级VIP徽章 */
.mode-super-vip-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #1a1a1a;
  padding: 4px 12px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
  animation: vip-pulse 2s ease-in-out infinite;
}

.mode-super-vip-badge i {
  font-size: 1rem;
}

/* 模式网格中的超级VIP显示 */
.mode-grid-super-vip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #FFD700;
  font-weight: 700;
  font-size: 0.85rem;
  animation: vip-shimmer 2s ease-in-out infinite;
}

.mode-grid-super-vip i {
  font-size: 1rem;
}

@keyframes vip-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.6);
  }
}

@keyframes vip-shimmer {
  0%, 100% {
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
  }
  50% {
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
  }
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.welcome-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* 表单样式 */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--text-color);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  background: rgba(30, 30, 35, 0.6);
  border: 1px solid rgba(79, 109, 245, 0.3);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  color: var(--text-color);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-input::placeholder {
  color: rgba(176, 176, 176, 0.5);
}

.auth-error {
  background: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.3);
  color: #ff5252;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
  animation: errorShake 0.4s ease-in-out;
}

.auth-success {
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: #4caf50;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
}

.toggle-auth-btn {
  background: none;
  border: none;
  color: var(--accent-color);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  margin-left: 0.3rem;
  transition: color 0.2s ease;
}

.toggle-auth-btn:hover {
  color: white;
  text-decoration: underline;
}

/* 模态窗口样式 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  animation: fadeIn 0.3s ease;
}

.modal-container {
  background: rgba(25, 25, 30, 0.9);
  border-radius: var(--card-radius);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 15px var(--accent-glow);
  overflow: hidden;
  position: relative;
  animation: modalSlideUp 0.4s ease;
}

.modal-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-color),
    transparent
  );
  opacity: 0.7;
}

.modal-header {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid rgba(79, 109, 245, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 1.4rem;
  margin: 0;
  background: linear-gradient(
    90deg,
    var(--text-color),
    var(--accent-color) 70%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.8rem;
  cursor: pointer;
  transition: color 0.2s ease;
  padding: 0;
  line-height: 1;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--text-color);
}

.modal-body {
  padding: 1.5rem;
}

.pricing-info {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: rgba(30, 30, 35, 0.6);
  border-radius: 6px;
}

.pricing-info p {
  margin: 0.5rem 0;
  color: var(--text-secondary);
}

.pricing-info strong {
  color: var(--text-color);
}

/* 支付金额选项 */
.payment-amount-options {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.5rem;
}

.amount-option {
  flex: 1;
  background: rgba(30, 30, 35, 0.6);
  border: 1px solid rgba(79, 109, 245, 0.3);
  border-radius: 6px;
  padding: 0.8rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.amount-option:hover {
  border-color: var(--accent-color);
  color: var(--text-color);
}

.amount-option.active {
  background: rgba(79, 109, 245, 0.2);
  border-color: var(--accent-color);
  color: var(--text-color);
  box-shadow: 0 0 10px rgba(79, 109, 245, 0.3);
}

/* 支付方式选项 */
.payment-method-options {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.payment-method {
  flex: 1;
  min-width: 120px;
  background: rgba(30, 30, 35, 0.6);
  border: 1px solid rgba(79, 109, 245, 0.3);
  border-radius: 6px;
  padding: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.payment-method:hover {
  border-color: var(--accent-color);
}

.payment-method.active {
  background: rgba(79, 109, 245, 0.2);
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(79, 109, 245, 0.3);
}

.payment-method input {
  margin: 0;
}

.payment-method label {
  margin: 0;
  cursor: pointer;
  color: var(--text-secondary);
}

.payment-method.active label {
  color: var(--text-color);
}

.payment-submit {
  width: 100%;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1.5rem;
  position: relative;
  overflow: hidden;
}

.payment-submit::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: all 0.5s ease;
}

.payment-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(79, 109, 245, 0.4);
}

.payment-submit:hover::before {
  left: 100%;
}

.payment-submit:active {
  transform: translateY(1px);
}

@keyframes modalSlideUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式样式调整 */
@media (max-width: 768px) {
  .user-controls {
    position: relative;
    top: 0;
    right: 0;
    margin-top: 1rem;
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .user-info {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
  }

  .logout-btn {
    position: static;
    margin-top: 0;
  }

  .payment-amount-options {
    flex-direction: column;
  }

  .payment-method-options {
    flex-direction: column;
  }

  .payment-method {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .modal-container {
    width: 95%;
  }

  .modal-header {
    padding: 1rem;
  }

  .modal-body {
    padding: 1rem;
  }

  .amount-option,
  .payment-method {
    padding: 0.6rem;
    font-size: 0.8rem;
  }

  .payment-submit {
    padding: 0.8rem;
  }

  .gate-card-inner {
    padding: 1.5rem;
  }

  .form-input {
    padding: 0.7rem 0.8rem;
  }
}

/* 邮箱验证码UI相关样式 */
.input-with-button {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.input-with-button .form-input {
  flex: 1;
}

.send-code-btn {
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  min-width: 100px;
}

.send-code-btn:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.send-code-btn:disabled {
  background: #555;
  opacity: 0.7;
  cursor: not-allowed;
}

.code-hint {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-color);
  padding: 0.25rem 0.5rem;
  background-color: rgba(79, 109, 245, 0.1);
  border-radius: 4px;
}

/* 验证码输入框特定样式 */
#code {
  letter-spacing: 0.2em;
  font-weight: 500;
}

/* 图片上传相关样式 */
.image-preview-container {
  position: relative;
  margin: 10px 0;
  max-width: 400px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--border-color);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.image-preview {
  width: 100%;
  height: auto;
  display: block;
}

.remove-image-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.remove-image-btn:hover {
  background-color: rgba(255, 0, 0, 0.7);
}

.upload-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.upload-btn:hover {
  background-color: var(--hover-color);
}

.upload-btn i {
  font-size: 16px;
}

/* 确保上传按钮在禁用状态下样式正确 */
.upload-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 调整上传按钮和提交按钮间的间距 */
.submit-btn {
  margin-left: 10px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .image-preview-container {
    max-width: 100%;
  }
}

/* ===== Interactive Viewer Styles ===== */
/* 注意：.threejs-viewer 的主要样式现在定义在 InteractiveViewer.css 中 */
/* 这里保留一些旧的备用样式，但QQViewer和InteractiveViewer应该使用专门的CSS文件 */
.threejs-viewer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--background-color);
  border: none;
  border-radius: 0;
  box-shadow: none;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-width: 100vw;
  max-height: 100vh;
}

.threejs-viewer.fullscreen {
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  border-radius: 0;
}

.viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: linear-gradient(135deg, var(--accent-color), #5a67d8);
  color: white;
  border-bottom: 1px solid var(--border-color);
}

.viewer-header h3 {
  margin: 0;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.viewer-controls {
  display: flex;
  gap: 8px;
}

.control-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: white;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.control-btn.close-btn {
  background: rgba(239, 68, 68, 0.8);
  border-color: rgba(239, 68, 68, 0.4);
}

.control-btn.close-btn:hover {
  background: rgba(239, 68, 68, 1);
}

.viewer-content {
  flex: 1;
  display: flex;
  position: relative;
  background: #f8f9fa;
}

.html-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}

.no-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.no-content i {
  font-size: 3rem;
  margin-bottom: 15px;
  opacity: 0.5;
}

.viewer-info {
  padding: 10px 20px;
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.viewer-info p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.viewer-info i {
  color: var(--accent-color);
}

/* 模式切换器样式 */
.mode-selector {
  display: flex;
  background: var(--background-secondary);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  /* 确保在所有容器布局下都有足够宽度 */
  width: 100%;
  min-width: 600px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  /* 关键：在2列网格布局中跨越两列 */
  grid-column: span 2;
}

.mode-button {
  flex: 1;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
}

.mode-button:hover {
  color: var(--text-color);
  background: rgba(79, 109, 245, 0.1);
}

.mode-button.active {
  background: var(--accent-color);
  color: white;
  box-shadow: 0 2px 8px rgba(79, 109, 245, 0.3);
}

.mode-button i {
  font-size: 1.1rem;
}

/* 模式信息样式 */
.mode-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.mode-name {
  font-size: 1rem;
  font-weight: 500;
}

.mode-credits {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 400;
  transition: all 0.3s ease;
}

.mode-credits.premium {
  background: linear-gradient(135deg, #ff6b6b, #ffa500);
  color: white;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  animation: premium-glow 2s ease-in-out infinite alternate;
}

.mode-credits.premium:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.4);
}

@keyframes premium-glow {
  0% {
    box-shadow: 0 0 5px rgba(255, 107, 107, 0.5);
  }
  100% {
    box-shadow: 0 0 15px rgba(255, 165, 0, 0.6);
  }
}

/* 积分解释弹窗样式 */
.credit-explanation-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  backdrop-filter: blur(5px);
}

.credit-explanation-modal-content {
  background: var(--background-color);
  border-radius: 20px;
  padding: 30px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.credit-explanation-modal-content h2 {
  color: var(--accent-color);
  margin-bottom: 20px;
  text-align: center;
  font-size: 1.5rem;
}

.explanation-content {
  margin-bottom: 25px;
}

.explanation-section {
  margin-bottom: 25px;
}

.explanation-section h3 {
  color: var(--text-color);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
}

.explanation-section h3 i {
  color: var(--accent-color);
}

.explanation-section p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}

.explanation-section ul {
  list-style: none;
  padding: 0;
}

.explanation-section li {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
  padding-left: 0;
}

.mode-comparison {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comparison-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--background-secondary);
  border-radius: 8px;
  border-left: 3px solid transparent;
}

.mode-tag {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  min-width: 70px;
  text-align: center;
}

.mode-tag.manim {
  background: linear-gradient(135deg, #ff6b6b, #ffa500);
  color: white;
}

.mode-tag.manimgx {
  background: linear-gradient(135deg, #fa541c, #fa8c16);
  color: white;
}

.mode-tag.threejs {
  background: #10b981;
  color: white;
}

.mode-tag.geogebra {
  background: #3b82f6;
  color: white;
}

.process {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cost {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
}

.cost.high {
  background: rgba(255, 107, 107, 0.2);
  color: #ff6b6b;
}

.cost.low {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.understand-btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--accent-color), #6366f1);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.understand-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(79, 109, 245, 0.4);
}

/* 简化版积分解释弹窗样式 */
.credit-explanation-modal-content.simple {
  max-width: 400px;
  padding: 40px 30px;
  text-align: center;
}

.simple-explanation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.expensive-meme {
  width: 200px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.expensive-meme:hover {
  transform: scale(1.05) rotate(1deg);
}

.guess-text-cn {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-color);
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: bounce 2s ease-in-out infinite;
}

.guess-text-en {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.8;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* 交互模式特定样式 */
.threejs-mode .input-section {
  border-left: 3px solid #10b981;
}

.threejs-mode .generate-btn {
  background: linear-gradient(135deg, #10b981, #059669);
}

.threejs-mode .generate-btn:hover {
  background: linear-gradient(135deg, #059669, #047857);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .threejs-viewer {
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
  }

  .viewer-header {
    padding: 12px 15px;
  }

  .viewer-header h3 {
    font-size: 1.1rem;
  }

  .viewer-controls {
    gap: 6px;
  }

  .control-btn {
    padding: 6px 8px;
    font-size: 0.8rem;
  }

  .control-btn span {
    display: none; /* 在小屏幕上隐藏按钮文字，只显示图标 */
  }

  .mode-selector {
    flex-direction: column;
    gap: 4px;
    min-width: unset;
    max-width: unset;
    width: 100%;
  }

  .mode-button {
    padding: 10px 16px;
    font-size: 0.9rem;
  }
}

/* HTML/Three.js 代码高亮样式 */
.html-comment {
  color: #6a9955;
  font-style: italic;
}

.html-tag {
  color: #569cd6;
}

.html-string {
  color: #ce9178;
}

.html-number {
  color: #b5cea8;
}

.js-keyword {
  color: #c586c0;
  font-weight: bold;
}

.three-class {
  color: #4ec9b0;
  font-weight: bold;
}

.three-method {
  color: #dcdcaa;
}

/* 交互式代码完成提示 */
.threejs-code-notice {
  margin: 15px 0;
  padding: 15px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 8px;
  color: white;
  border-left: 4px solid #34d399;
}

.notice-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.notice-content i {
  font-size: 1.2rem;
  color: #d1fae5;
}

.notice-content span {
  flex: 1;
  font-weight: 500;
}

.view-threejs-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  color: white;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
}

.view-threejs-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.view-threejs-btn i {
  font-size: 1rem;
}

/* 交互式模式下的响应区域调整 */
.threejs-mode .response-area {
  border-left-color: #10b981;
}

.threejs-mode .preview-title i {
  color: #10b981;
}

/* 改进代码容器在交互式模式下的样式 */
.threejs-mode .code-container {
  border-left: 3px solid #10b981;
}

.threejs-mode .code-language::after {
  content: " (Three.js)";
  color: #10b981;
  font-size: 0.8rem;
  opacity: 0.8;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
  .notice-content {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .notice-content span {
    text-align: center;
  }

  .view-threejs-btn {
    justify-content: center;
    padding: 10px 16px;
  }
}

/* ===== GeoGebra Viewer Styles ===== */
.geogebra-viewer {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.geogebra-viewer .viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  border-bottom: 1px solid var(--border-color);
}

.geogebra-viewer .viewer-header h3 {
  margin: 0;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.geogebra-viewer .viewer-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.geogebra-viewer .control-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: white;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.geogebra-viewer .control-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.geogebra-viewer .control-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.geogebra-viewer .control-btn.close-btn {
  background: rgba(239, 68, 68, 0.8);
  border-color: rgba(239, 68, 68, 0.4);
}

.geogebra-viewer .control-btn.close-btn:hover {
  background: rgba(239, 68, 68, 1);
}

.geogebra-viewer .viewer-content {
  flex: 1;
  display: flex;
  gap: 10px;
  padding: 10px;
  background: #f8f9fa;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

/* 横向 flex 时避免子项被 iframe 固有宽度“撑死”在左侧，导致右侧留白 */
.geogebra-viewer .viewer-content > .geogebra-wrapper {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
}

.geogebra-container {
  flex: 2;
  display: flex;
  flex-direction: column;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: visible;
}

.geogebra-container .loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 450px;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.geogebra-container .loading-state .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #f59e0b;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 15px;
}

.geogebra-wrapper {
  display: flex;
  flex-direction: column;
  overflow: visible;
}

#ggb-container,
#ggb-main-container {
  width: 100%;
}

.command-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 350px;
  max-width: 450px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.command-status {
  padding: 12px 16px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.command-status h4 {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.command-status p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

.executing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 8px;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.executing-indicator::before {
  content: "";
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.command-list {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
  max-height: 300px;
}

.command-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin-bottom: 6px;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.command-item.pending {
  background: #f8f9fa;
  border-left-color: #e5e7eb;
  color: var(--text-secondary);
}

.command-item.executing {
  background: #fef3c7;
  border-left-color: #f59e0b;
  color: #92400e;
  animation: commandPulse 1.5s infinite;
}

.command-item.executed {
  background: #d1fae5;
  border-left-color: #10b981;
  color: #065f46;
}

.command-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--accent-color);
  color: white;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 600;
  min-width: 24px;
}

.command-item.executed .command-number {
  background: #10b981;
}

.command-item.executing .command-number {
  background: #f59e0b;
}

.command-text {
  flex: 1;
  font-family: "Courier New", monospace;
  word-break: break-all;
}

.command-status-icon {
  font-size: 1.1rem;
  margin-left: auto;
}

.command-status-icon.spinning {
  animation: spin 1s linear infinite;
}

.execution-log {
  border-top: 1px solid var(--border-color);
  padding: 12px;
  background: #f8f9fa;
  max-height: 200px;
  overflow-y: auto;
}

.execution-log h4 {
  margin: 0 0 10px 0;
  font-size: 1rem;
  color: var(--text-color);
}

.log-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  border-left: 3px solid;
}

.log-item.success {
  background: #f0fdf4;
  border-left-color: #22c55e;
  color: #166534;
}

.log-item.error {
  background: #fef2f2;
  border-left-color: #ef4444;
  color: #dc2626;
}

.log-time {
  font-weight: 500;
  opacity: 0.8;
}

.log-command {
  font-family: "Courier New", monospace;
  font-weight: 600;
}

.log-message {
  opacity: 0.9;
}

.no-commands {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  font-size: 1.1rem;
  padding: 40px 20px;
}

.no-commands i {
  font-size: 3rem;
  margin-bottom: 15px;
  opacity: 0.5;
  color: #f59e0b;
}

.welcome-content {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.welcome-content h4 {
  color: #f59e0b;
  font-size: 1.4rem;
  margin: 0 0 15px 0;
  font-weight: 600;
}

.welcome-content p {
  margin: 10px 0;
  font-size: 1rem;
  line-height: 1.5;
}

.welcome-content ul {
  text-align: left;
  margin: 15px 0;
  padding-left: 20px;
}

.welcome-content li {
  margin: 8px 0;
  font-size: 0.95rem;
  line-height: 1.4;
}

.example-hints {
  margin-top: 20px;
  padding: 15px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 8px;
  border-left: 4px solid #f59e0b;
}

.example-hints p {
  margin: 8px 0;
}

.example-hints p:first-child {
  font-weight: 600;
  color: #f59e0b;
  margin-bottom: 12px;
}

.example-hints p:not(:first-child) {
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.8);
  padding: 6px 10px;
  border-radius: 4px;
  margin: 6px 0;
  border-left: 2px solid #f59e0b;
}

/* GeoGebra模式特定样式 */
.geogebra-preview {
  border-left: 3px solid #f59e0b;
}

.geogebra-preview .preview-title i {
  color: #f59e0b;
}

/* 动画效果 */
@keyframes commandPulse {
  0%,
  100% {
    transform: scale(1);
    background: #fef3c7;
  }
  50% {
    transform: scale(1.02);
    background: #fde68a;
  }
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .geogebra-viewer .viewer-content {
    flex-direction: column;
    gap: 10px;
  }

  .command-panel {
    min-width: auto;
    max-width: none;
    max-height: 350px;
    flex: 0 0 auto;
  }

  .geogebra-container {
    flex: 1 1 auto;
  }
}

@media (max-width: 768px) {
  .geogebra-viewer .viewer-header {
    padding: 10px 12px;
    flex-wrap: nowrap;
    gap: 8px;
  }

  .geogebra-viewer .viewer-header h3 {
    font-size: 1.1rem;
    flex-shrink: 0;
    min-width: auto;
  }

  .geogebra-viewer .viewer-controls {
    gap: 6px;
    flex-wrap: nowrap;
    flex: 1;
    justify-content: flex-end;
    overflow-x: auto;
  }

  .geogebra-viewer .control-btn {
    padding: 8px 10px;
    font-size: 0.9rem;
    min-width: 36px;
    flex-shrink: 0;
  }

  .geogebra-viewer .control-btn span {
    display: none; /* 在小屏幕上隐藏按钮文字 */
  }
  
  .geogebra-viewer .control-btn i {
    margin: 0;
    font-size: 1.1rem;
  }

  .geogebra-viewer .viewer-content {
    padding: 8px;
    gap: 8px;
    flex-direction: column;
  }

  .command-panel {
    max-height: 250px;
    flex: 0 0 auto;
  }

  .command-list {
    max-height: 180px;
  }

  .execution-log {
    max-height: 120px;
  }

  .geogebra-container {
    flex: 1 1 auto;
  }
}

/* GeoGebra指令代码高亮 */
.geogebra-command {
  color: #8b5cf6;
  font-weight: bold;
}

.geogebra-parameter {
  color: #059669;
}

.geogebra-string {
  color: #dc2626;
}

.geogebra-number {
  color: #2563eb;
}

.geogebra-variable {
  color: #f59e0b;
  font-weight: bold;
}

.geogebra-comment {
  color: #6b7280;
  font-style: italic;
}

.geogebra-viewer.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2000;
  background-color: var(--background-color, #f0f2f5);
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  border-radius: 0;
  box-shadow: none;
}

.geogebra-viewer.fullscreen .viewer-content {
  flex: 1 1 auto;
  flex-grow: 1;
  min-width: 0;
  min-height: 0;
  width: 100%;
  box-sizing: border-box;
}

/* 全屏时 viewer-content 为横向 flex，子项默认 min-width:auto 会按 iframe 内容宽度收缩，
   导致画板只占左半屏、右侧留白 —— 强制铺满并允许收缩 */
.geogebra-viewer.fullscreen .geogebra-wrapper {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

/* GeoGebra 注入的根节点在容器 div 内，保证其占满 wrapper */
.geogebra-viewer.fullscreen .geogebra-wrapper > div:first-child {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
}

.community-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem 0;
  width: 100%;
}

.community-image {
  width: 150px;
  height: 150px;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid var(--tech-line-color);
}

.community-text {
  text-align: left;
  max-width: 400px;
}

.community-text h3 {
  font-size: 1.5rem;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.community-text p {
  font-size: 1rem;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .community-section {
    flex-direction: column;
    text-align: center;
  }

  .community-text {
    text-align: center;
  }
}

.community-image:hover {
  transform: scale(1.05);
  border-color: var(--accent-color);
  cursor: pointer;
  transition: var(--transition-normal);
}

/* 图片放大模-态框样式 */
.image-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

.image-modal-content {
  position: relative;
  text-align: center;
  background: var(--secondary-color);
  padding: 2rem;
  border-radius: var(--card-radius);
  box-shadow: 0 10px 30px var(--shadow-strong);
}

.enlarged-community-image {
  max-width: 80vw;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 8px;
}

.scan-hint {
  color: var(--text-color);
  font-size: 1.2rem;
  margin-top: 1rem;
  font-weight: 500;
}

.close-modal-btn {
  position: absolute;
  top: -15px;
  right: -15px;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  font-size: 1.5rem;
  line-height: 28px;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 4px 10px var(--shadow-strong);
  transition: var(--transition-fast);
}

.close-modal-btn:hover {
  background: var(--error-color);
  color: white;
}

/* 渲染错误和修复按钮样式 */
.render-error-container {
  background-color: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.2);
  border-left: 4px solid var(--error-color);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: fadeIn 0.5s ease;
}

.render-error-container .error-message {
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  color: var(--error-color);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.render-error-container .error-message i {
  font-size: 1.2rem;
}

.fix-button {
  background-color: var(--accent-color);
  color: var(--text-color);
  border: none;
  border-radius: 6px;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  align-self: flex-start; /* Align button to the left */
}

.fix-button:hover:not(:disabled) {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(79, 109, 245, 0.3);
}

.fix-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.fix-button i.rotating {
  animation: spin 1s linear infinite;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* New User Guide Modal */
.new-user-guide-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  backdrop-filter: blur(5px);
}

.new-user-guide-modal-content {
  background: linear-gradient(145deg, #1f2428, #101214);
  color: #e0e0e0;
  padding: 30px 40px;
  border-radius: 15px;
  max-width: 600px;
  width: 90%;
  border: 1px solid rgba(0, 122, 255, 0.4);
  box-shadow: 0 0 25px rgba(0, 122, 255, 0.2);
  position: relative;
  animation: fadeInScaleUp 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.new-user-guide-modal-content h2 {
  color: #00aaff;
  text-align: center;
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 24px;
}

.new-user-guide-modal-content p {
  line-height: 1.6;
  margin-bottom: 20px;
}

.new-user-guide-modal-content .guide-section {
  margin-bottom: 25px;
  padding-left: 15px;
  border-left: 3px solid rgba(0, 122, 255, 0.5);
}

.new-user-guide-modal-content .guide-section h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: #99ddff;
  font-size: 18px;
}

.new-user-guide-modal-content ul {
  list-style-type: none;
  padding-left: 0;
}

.new-user-guide-modal-content li {
  margin-bottom: 10px;
  padding-left: 10px;
  position: relative;
}

.new-user-guide-modal-content li::before {
  content: "▶";
  position: absolute;
  left: -10px;
  color: #00aaff;
  font-size: 12px;
}

.new-user-guide-modal-content .guide-link {
  color: #00aaff;
  text-decoration: none;
  font-weight: bold;
  border-bottom: 1px dashed #00aaff;
  transition: all 0.3s ease;
}

.new-user-guide-modal-content .guide-link:hover {
  color: #fff;
  background-color: #00aaff;
  border-bottom-color: #fff;
}

.new-user-guide-modal-content .recharge-btn {
  margin-right: 10px;
}

.new-user-guide-modal-content small {
  color: #aaa;
  font-style: italic;
}

.new-user-guide-modal-content .guide-close-btn {
  display: block;
  width: 100%;
  padding: 12px;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  background: linear-gradient(45deg, #007bff, #00aaff);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 20px;
  box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.new-user-guide-modal-content .guide-close-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 122, 255, 0.5);
}

.image-modal-overlay .close-modal-btn {
  top: 15px;
  right: 15px;
  width: 40px;
  height: 40px;
  font-size: 28px;
}

.new-user-guide-modal-content .close-modal-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  color: #888;
  font-size: 30px;
  cursor: pointer;
  transition: color 0.3s ease;
}

.new-user-guide-modal-content .close-modal-btn:hover {
  color: #fff;
}

/* === Mobile Optimizations (2024-07-10) === */
@media (max-width: 768px) {
  /* 在中小屏幕上保持用户信息水平排列，避免按钮遮挡 */
  .user-info {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }
  /* 允许元素换行，防止宽度不足时重叠 */
  .user-controls {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  /* 1. 适配新手指南弹窗尺寸，确保关闭按钮可见 */
  .new-user-guide-modal-content {
    max-height: 90vh; /* 始终在视口内 */
    overflow-y: auto; /* 内容过长时滚动 */
    padding: 20px 15px; /* 缩小内边距提高可视面积 */
  }
  .new-user-guide-modal-content .close-modal-btn {
    top: 8px; /* 略微下移，避免被状态栏遮挡 */
    right: 10px;
    font-size: 28px;
  }

  /* 2. 将用户控制区域改为垂直排列，彻底避免两个按钮重叠 */
  .user-controls {
    position: relative; /* 取消绝对定位带来的布局挤压 */
    top: 0;
    right: 0;
    width: 100%;
    flex-direction: column; /* 垂直堆叠 */
    align-items: flex-end;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }
}

/* 顶部右侧用户信息和退出 */
.top-right-user-info {
  position: fixed;
  top: 55px;
  right: 30px;
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.top-right-user-info .logout-btn,
.top-right-user-info .change-password-btn {
  position: relative;
  top: auto;
  right: auto;
}

/* 用户名按钮样式 */
.top-right-user-info .username-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.1), rgba(139, 92, 246, 0.1));
  color: var(--text-color);
  border: 1px solid rgba(88, 101, 242, 0.3);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.top-right-user-info .username-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.top-right-user-info .username-btn:hover {
  background: linear-gradient(135deg, rgba(88, 101, 242, 0.2), rgba(139, 92, 246, 0.2));
  border-color: rgba(88, 101, 242, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(88, 101, 242, 0.3);
}

.top-right-user-info .username-btn:hover::before {
  left: 100%;
}

.top-right-user-info .username-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(88, 101, 242, 0.2);
}

.top-right-user-info .username-btn i {
  font-size: 1.1rem;
  color: var(--primary-color);
}

.top-right-user-info .username-btn span {
  text-align: center;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .top-right-user-info {
    top: 15px;
    right: 20px;
    font-size: 0.85rem;
    gap: 0.5rem;
  }
  
  .top-right-user-info .username-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
  
  .top-right-user-info .username-btn span {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .top-right-user-info .username-btn span {
    display: none;
  }
  
  .top-right-user-info .username-btn {
    padding: 0.5rem;
    min-width: auto;
  }
}

/* 保证新手指南关闭按钮始终可见 */
.new-user-guide-modal-content .close-modal-btn {
  position: sticky; /* 相对滚动容器固定 */
  top: 10px;
  margin-left: auto; /* 右对齐 */
  z-index: 2100; /* 高于内容 */
}

@media (max-width: 480px) {
  .new-user-guide-modal-content .close-modal-btn {
    top: 6px;
    right: 0; /* 确保粘贴右侧 */
  }
}

@media (max-width: 480px) {
  .new-user-guide-modal-content .close-modal-btn {
    top: 5px;
    right: 5px;
  }
}

/* Announcement Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: var(--secondary-color);
  padding: 2rem;
  border-radius: var(--card-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  border-top: 4px solid var(--accent-color);
  animation: slideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.modal-content h2 {
  text-align: center;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.announcement-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.announcement-item {
  background-color: var(--dark-gray);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 3px solid var(--accent-color);
}

.announcement-item h3 {
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.announcement-item p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.announcement-item span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  opacity: 0.7;
  text-align: right;
  display: block;
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Community CTA in Announcement Modal */
.community-cta {
  background: linear-gradient(
    135deg,
    rgba(79, 109, 245, 0.1),
    rgba(79, 109, 245, 0.2)
  );
  border-color: var(--accent-color);
  text-align: center;
  padding: 2rem;
}

.community-cta h3 {
  color: var(--accent-color);
}

.join-community-btn {
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  box-shadow: 0 4px 15px rgba(79, 109, 245, 0.3);
}

.join-community-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 109, 245, 0.5);
}

.join-community-btn i {
  font-size: 1.2rem;
}

/* === Fix Modal Overlay (3D Render Error) === */
.fix-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2200;
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

.fix-modal-content {
  background: var(--secondary-color);
  padding: 2rem;
  border-radius: var(--card-radius);
  box-shadow: 0 10px 30px var(--shadow-strong);
  width: 90%;
  max-width: 500px;
  position: relative;
  text-align: center;
  border-top: 4px solid var(--accent-color);
  animation: slideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fix-modal-content .error-message {
  color: var(--error-color);
  font-weight: 500;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.fix-modal-content .fix-button {
  margin: 0 auto;
}

/* === Voiceover Toast (旁白音频选择小提示) === */
.voiceover-modal-overlay {
  position: fixed;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  pointer-events: none; /* 允许点击底层 */
  animation: slideUpFade 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  /* 覆盖之前可能导致全屏的样式 */
  width: max-content !important;
  height: max-content !important;
  background: transparent !important;
  backdrop-filter: none !important;
}

.voiceover-modal {
  background: var(--secondary-color);
  padding: 0.6rem 0.8rem;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.6rem;
  pointer-events: auto; /* 恢复弹窗自身的点击 */
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  width: auto;
  max-width: none;
}

.voiceover-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.voiceover-modal-icon {
  display: none; /* 隐藏大图标 */
}

.voiceover-modal-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-color);
  margin: 0;
  white-space: nowrap;
}

.voiceover-header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.voiceover-voice-select {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--text-color);
  font-size: 0.75rem;
  padding: 0.2rem 0.4rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  max-width: 180px;
}

.voiceover-voice-select optgroup {
  background: var(--secondary-color);
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.75rem;
}

.voiceover-voice-select option {
  background: var(--secondary-color);
  color: var(--text-color);
  font-weight: normal;
}

.voiceover-voice-select:focus {
  border-color: var(--accent-color);
}

.voiceover-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
}

.voiceover-btn-primary,
.voiceover-btn-secondary {
  flex: 1;
  padding: 0.35rem 0;
  font-size: 0.8rem;
  border-radius: 8px;
  font-weight: 500;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
}

.voiceover-btn-primary {
  background: linear-gradient(135deg, var(--accent-color), #8b5cf6);
  color: white;
  border: none;
}

.voiceover-btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.voiceover-toast-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin: 0;
  transition: color 0.2s;
}

.voiceover-toast-close:hover {
  color: var(--text-color);
}

.voiceover-modal.bubble-tail {
  position: relative;
}

.voiceover-modal.bubble-tail::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 8px 8px 0;
  border-style: solid;
  border-color: var(--secondary-color) transparent transparent transparent;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.2));
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translate(-50%, 10px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* Loading Overlay Styles */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(12, 16, 29, 0.97);
  z-index: 2000; /* Ensure it covers everything, including InputArea with z-index 1000 */
  display: flex;
  align-items: center;
  flex-direction: column;
  border-radius: 15px;
  padding: 24px 16px;
  box-sizing: border-box;
  backdrop-filter: blur(8px);
  opacity: 0;
  animation: fadeIn 0.3s forwards;
  overflow-y: auto;
  overflow-x: hidden;
}

.loading-overlay::-webkit-scrollbar {
  width: 6px;
}

.loading-overlay::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.loading-overlay-content {
  text-align: center;
  width: 95%;
  max-width: 980px;
  margin: auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.loading-progress-bar-container {
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  margin-bottom: 25px;
  overflow: hidden;
  position: relative;
}

.loading-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(0, 122, 255, 0.2),
    rgba(0, 180, 255, 1),
    rgba(0, 122, 255, 0.2)
  );
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(0, 180, 255, 0.6);
  transition: width 0.4s ease;
}

@keyframes loading-progress-animation {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(200%);
  }
  100% {
    transform: translateX(-100%);
  }
}

.loading-text {
  color: #e0e0e0;
  font-size: 16px;
  font-weight: 500;
  text-shadow: 0 0 8px rgba(0, 180, 255, 0.5);
}

.loading-progress-info {
  color: #bfe9ff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  text-shadow: 0 0 6px rgba(0, 180, 255, 0.5);
}

.loading-brand {
  font-family: "Orbitron", sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 0 8px rgba(0, 170, 255, 0.5), 0 0 12px rgba(0, 170, 255, 0.3);
  margin-bottom: 25px;
  letter-spacing: 3px;
  animation: flicker 2s infinite alternate;
}

@keyframes flicker {
  0%,
  18%,
  22%,
  25%,
  53%,
  57%,
  100% {
    opacity: 1;
    text-shadow: 0 0 4px #fff, 0 0 11px #fff, 0 0 19px #fff, 0 0 40px #0af,
      0 0 80px #0af, 0 0 90px #0af;
  }
  20%,
  24%,
  55% {
    opacity: 0.8;
    text-shadow: none;
  }
}

.loading-progress-bar-container {
  width: 100%;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  margin-bottom: 25px;
  overflow: hidden;
  position: relative;
}

.loading-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(0, 122, 255, 0.2),
    rgba(0, 180, 255, 1),
    rgba(0, 122, 255, 0.2)
  );
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(0, 180, 255, 0.6);
  transition: width 0.4s ease;
}

@keyframes loading-progress-animation {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(200%);
  }
  100% {
    transform: translateX(-100%);
  }
}

.loading-text {
  color: #e0e0e0;
  font-size: 16px;
  font-weight: 500;
  text-shadow: 0 0 8px rgba(0, 180, 255, 0.5);
}

.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5),
    0 0 25px rgba(0, 122, 255, 0.4) inset;
}

/* ==================== 水印下载弹窗样式 ==================== */

/* 视频控制按钮容器 */
.video-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  margin-top: 15px;
}

/* 下载按钮样式 */
.download-btn {
  background: linear-gradient(135deg, #4caf50 0%, #2e7d32 100%);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.download-btn:hover {
  background: linear-gradient(135deg, #66bb6a 0%, #388e3c 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
}

.download-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.download-btn i {
  font-size: 16px;
}

/* 水印弹窗遮罩层 */
.watermark-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.3s ease-in-out;
}

/* 水印弹窗内容容器 */
.watermark-modal-content {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-radius: 16px;
  border: 1px solid rgba(79, 109, 245, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  max-width: 500px;
  width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
  position: relative;
}

/* 水印弹窗头部 */
.watermark-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid rgba(79, 109, 245, 0.2);
}

.watermark-modal-header h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.watermark-modal-header h3 i {
  color: var(--accent-color);
  font-size: 1.4rem;
}

/* 水印弹窗主体 */
.watermark-modal-body {
  padding: 24px;
}

.watermark-modal-body p {
  margin: 0 0 20px 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.5;
}

/* 水印输入组 */
.watermark-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.watermark-input-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.watermark-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid rgba(79, 109, 245, 0.3);
  border-radius: 8px;
  background-color: rgba(79, 109, 245, 0.05);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.watermark-input:focus {
  outline: none;
  border-color: var(--accent-color);
  background-color: rgba(79, 109, 245, 0.1);
  box-shadow: 0 0 0 3px rgba(79, 109, 245, 0.1);
}

.watermark-input::placeholder {
  color: var(--text-tertiary);
}

.watermark-hint {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  line-height: 1.4;
  margin-top: 4px;
}

/* 水印弹窗底部 */
.watermark-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px 24px;
  border-top: 1px solid rgba(79, 109, 245, 0.2);
}

/* 弹窗按钮样式 */
.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid rgba(79, 109, 245, 0.3);
  border-radius: 8px;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-secondary:hover:not(:disabled) {
  background-color: rgba(79, 109, 245, 0.1);
  border-color: rgba(79, 109, 245, 0.5);
  color: var(--text-primary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color) 0%, #3d5afe 100%);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #5c6bc0 0%, #3f51b5 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(79, 109, 245, 0.4);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(79, 109, 245, 0.3);
}

.btn-primary:disabled,
.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-primary i,
.btn-secondary i {
  font-size: 1rem;
}

/* 旋转动画 */
.rotating {
  animation: rotate 1s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 弹窗动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 响应式设计 */
@media (max-width: 600px) {
  .watermark-modal-content {
    margin: 20px;
    width: calc(100vw - 40px);
  }

  .watermark-modal-header,
  .watermark-modal-body,
  .watermark-modal-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .watermark-modal-footer {
    flex-direction: column;
    gap: 8px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* 平板设备响应式样式 */
@media (max-width: 1024px) and (min-width: 769px) {
  .mode-selector {
    min-width: 500px;
    max-width: 700px;
  }
}

/* 移动端响应式样式 */
@media (max-width: 768px) {
  .mode-selector {
    flex-direction: column;
    gap: 8px;
    padding: 8px;
    min-width: unset;
    max-width: unset;
    width: 100%;
  }

  .mode-button {
    padding: 16px 20px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
  }

  .mode-info {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .mode-name {
    font-size: 1rem;
  }

  .mode-credits {
    font-size: 0.7rem;
    padding: 3px 6px;
  }

  .credit-explanation-modal-content {
    padding: 20px;
    margin: 10px;
    max-height: 85vh;
  }

  .credit-explanation-modal-content h2 {
    font-size: 1.3rem;
  }

  .mode-comparison {
    gap: 8px;
  }

  .comparison-item {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .mode-tag {
    min-width: auto;
    width: 100%;
  }

  .process {
    font-size: 0.8rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .mode-button {
    padding: 14px 16px;
  }

  .mode-name {
    font-size: 0.9rem;
  }

  .mode-credits {
    font-size: 0.65rem;
    padding: 2px 5px;
  }

  .credit-explanation-modal-content {
    padding: 16px;
    margin: 5px;
  }

  .explanation-section h3 {
    font-size: 1rem;
  }

  .explanation-section p,
  .explanation-section li {
    font-size: 0.9rem;
  }

  /* 简化版弹窗移动端适配 */
  .credit-explanation-modal-content.simple {
    max-width: 350px;
    padding: 30px 20px;
  }

  .expensive-meme {
    width: 150px;
  }

  .guess-text-cn {
    font-size: 1.6rem;
  }

  .guess-text-en {
    font-size: 1rem;
    letter-spacing: 1px;
  }
}

/* ================== 优化后的社群弹窗样式 ================== */
.image-modal-content.community-enhanced {
  max-width: 800px;
  width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  background: linear-gradient(
    135deg,
    var(--secondary-color) 0%,
    rgba(79, 109, 245, 0.1) 100%
  );
  border: 1px solid rgba(79, 109, 245, 0.3);
}

.modal-header {
  text-align: center;
  margin-bottom: 2rem;
}

.modal-title {
  color: var(--text-color);
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.highlight-banner-group {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin: 0 auto 1.5rem;
}

.highlight-banner {
  background: linear-gradient(
    90deg,
    var(--accent-color),
    #ff6b6b,
    var(--accent-color)
  );
  background-size: 200% 100%;
  animation: gradientShift 3s ease-in-out infinite;
  border-radius: 25px;
  padding: 14px 20px;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 200px;
  max-width: 260px;
  flex: 1 1 220px;
  box-shadow: 0 8px 25px rgba(79, 109, 245, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.highlight-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.big-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  color: white;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  letter-spacing: 2px;
}

.highlight-text {
  display: block;
  font-size: 1.1rem;
  color: white;
  font-weight: 600;
  margin-top: 5px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.honor-section {
  margin: 2rem 0;
  padding: 2rem;
  background: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.1) 0%,
    rgba(255, 140, 0, 0.05) 100%
  );
  border-radius: 20px;
  border: 2px solid rgba(255, 215, 0, 0.3);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.honor-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 215, 0, 0.1),
    transparent
  );
  animation: honorGlow 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes honorGlow {
  0%,
  100% {
    transform: rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: rotate(180deg);
    opacity: 0.7;
  }
}

.honor-title {
  color: #ffd700;
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
}

.honor-achievement {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.honor-image {
  max-width: 200px;
  max-height: 300px;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
  border: 3px solid rgba(255, 215, 0, 0.5);
  transition: all 0.3s ease;
}

.honor-image:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 35px rgba(255, 215, 0, 0.5);
}

.honor-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.honor-label {
  background: linear-gradient(90deg, #ffd700, #ffa500);
  color: #000;
  padding: 8px 20px;
  border-radius: 25px;
  font-weight: bold;
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
  animation: labelPulse 2s ease-in-out infinite;
}

@keyframes labelPulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
  }
}

.honor-desc {
  color: #ffd700;
  font-size: 1rem;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.honor-text {
  color: var(--text-color);
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0;
  position: relative;
  z-index: 2;
}

.honor-text strong {
  color: #ffd700;
  font-weight: bold;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.community-benefits {
  margin: 2rem 0;
  padding: 1.5rem;
  background: rgba(79, 109, 245, 0.05);
  border-radius: 15px;
  border: 1px solid rgba(79, 109, 245, 0.2);
}

.benefits-title {
  color: var(--accent-color);
  font-size: 1.4rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 1.5rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  border: 1px solid rgba(79, 109, 245, 0.15);
  transition: all 0.3s ease;
  cursor: default;
}

.benefit-item:hover {
  background: rgba(79, 109, 245, 0.1);
  border-color: rgba(79, 109, 245, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.2);
}

.benefit-icon {
  font-size: 1.5rem;
  margin-right: 12px;
  min-width: 30px;
}

.benefit-text {
  color: var(--text-color);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
}

.action-guide {
  margin-top: 2rem;
  padding: 1.5rem;
  background: rgba(76, 175, 80, 0.05);
  border-radius: 15px;
  border: 1px solid rgba(76, 175, 80, 0.2);
}

.guide-title {
  color: var(--success-color);
  font-size: 1.3rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 1.5rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.step {
  display: flex;
  align-items: center;
  padding: 15px;
  background: rgba(76, 175, 80, 0.08);
  border-radius: 10px;
  border-left: 4px solid var(--success-color);
}

.step-number {
  background: var(--success-color);
  color: white;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 15px;
  font-size: 0.9rem;
}

.step-text {
  color: var(--text-color);
  font-size: 1rem;
  font-weight: 500;
}

.urgent-notice {
  text-align: center;
  color: #ff6b6b;
  font-size: 1.1rem;
  padding: 15px;
  background: rgba(255, 107, 107, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(255, 107, 107, 0.3);
  margin: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.4);
  }
  50% {
    transform: scale(1.02);
    box-shadow: 0 0 0 10px rgba(255, 107, 107, 0);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .image-modal-content.community-enhanced {
    padding: 1.5rem;
    margin: 1rem;
    width: calc(100vw - 2rem);
  }

  .modal-title {
    font-size: 1.6rem;
  }

  .big-number {
    font-size: 2rem;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    gap: 0.8rem;
  }

  .step {
    padding: 12px;
  }

  .step-number {
    width: 25px;
    height: 25px;
    font-size: 0.8rem;
    margin-right: 12px;
  }

  .honor-section {
    padding: 1.5rem;
    margin: 1.5rem 0;
  }

  .honor-title {
    font-size: 1.3rem;
  }

  .honor-achievement {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .honor-image {
    max-width: 150px;
    max-height: 200px;
  }

  .honor-label {
    font-size: 1rem;
    padding: 6px 16px;
  }

  .honor-desc {
    font-size: 0.9rem;
  }

  .honor-text {
    font-size: 1rem;
  }
}

/* ================================
   锤锤解题模式样式
   ================================ */

/* 视频讲解按钮区域 */
.video-generate-section {
  padding: 20px;
  border-top: 1px solid rgba(0, 122, 255, 0.2);
  margin-top: 20px;
  background: linear-gradient(
    135deg,
    rgba(0, 122, 255, 0.05),
    rgba(64, 224, 208, 0.05)
  );
  border-radius: 0 0 15px 15px;
  text-align: center;
}

.video-generate-btn {
  background: linear-gradient(135deg, #007aff, #40e0d0);
  color: white;
  border: none;
  border-radius: 25px;
  padding: 12px 30px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.video-generate-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4);
  background: linear-gradient(135deg, #0056cc, #36c7b8);
}

.video-generate-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.video-generate-btn i.rotating {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 视频播放器面板 */
.video-drawer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease-in-out, margin-top 0.4s ease;
  margin-top: 0;
}

.video-drawer.open {
  max-height: 1200px; /* 足够大的高度以容纳内容 */
  opacity: 1;
  margin-top: 20px;
}

.video-preview {
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.video-player-container {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.video-player-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(0, 122, 255, 0.2);
  background: linear-gradient(
    135deg,
    rgba(0, 122, 255, 0.1),
    rgba(64, 224, 208, 0.1)
  );
}

.video-player-header h3 {
  color: #007aff;
  font-size: 18px;
  font-weight: bold;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.close-button {
  background: rgba(255, 59, 48, 0.1);
  border: 1px solid rgba(255, 59, 48, 0.3);
  color: #ff3b30;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.close-button:hover {
  background: rgba(255, 59, 48, 0.2);
  transform: scale(1.1);
}

/* 视频占位符 */
.video-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(0, 122, 255, 0.02),
    rgba(64, 224, 208, 0.02)
  );
  border: 2px dashed rgba(0, 122, 255, 0.2);
  border-radius: 15px;
  margin: 20px;
}

.placeholder-content {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  padding: 40px;
}

.placeholder-content i {
  font-size: 48px;
  color: rgba(0, 122, 255, 0.4);
  margin-bottom: 20px;
  display: block;
}

.placeholder-content h3 {
  color: rgba(255, 255, 255, 0.8);
  font-size: 24px;
  margin: 0 0 15px 0;
  font-weight: bold;
}

.placeholder-content p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
}

/* 锤锤解题模式的模式按钮高亮样式 */
.mode-button .mode-credits.highlight {
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  color: white;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
  animation: pulse-highlight 2s ease-in-out infinite;
}

@keyframes pulse-highlight {
  0%,
  100% {
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
  }
  50% {
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.5);
    /* 移除 transform: scale(1.05) 以避免影响布局 */
  }
}

/* 解题模式响应式适配 */
@media (max-width: 768px) {
  .video-generate-btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .video-player-header {
    padding: 12px 15px;
  }

  .video-player-header h3 {
    font-size: 16px;
  }

  .placeholder-content {
    padding: 30px 20px;
  }

  .placeholder-content i {
    font-size: 36px;
  }

  .placeholder-content h3 {
    font-size: 20px;
  }

  .placeholder-content p {
    font-size: 14px;
  }
}

/* 解题模式特定的容器布局 */
.container.solve-mode {
  grid-template-columns: 1fr;
  grid-template-rows: auto auto 1fr;
  gap: 20px;
}

.container.solve-mode .response-area {
  order: 1;
}

.container.solve-mode .video-preview {
  order: 2;
}

/* 解题阶段指示器 */
.solve-phase-indicator {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(0, 122, 255, 0.9);
  color: white;
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: bold;
  z-index: 10;
}

.solve-phase-indicator.solving {
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  animation: pulse 2s ease-in-out infinite;
}

.solve-phase-indicator.solved {
  background: linear-gradient(135deg, #34c759, #32d74b);
}

.solve-phase-indicator.generating_video {
  background: linear-gradient(135deg, #007aff, #40e0d0);
  animation: pulse 2s ease-in-out infinite;
}

.solve-phase-indicator.video_ready {
  background: linear-gradient(135deg, #af52de, #bf5af2);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* 重新生成按钮样式 */
.regenerate-btn {
  background-color: #ff9800;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
  margin-right: 10px;
}

.regenerate-btn:hover {
  background-color: #e68900;
  transform: translateY(-1px);
}

.regenerate-btn i {
  font-size: 16px;
}

/* 重新渲染当前代码按钮样式 */
.rerender-current-btn {
  background-color: #2196f3;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
  margin-top: 10px;
}

.rerender-current-btn:hover {
  background-color: #1976d2;
  transform: translateY(-1px);
}

.rerender-current-btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  transform: none;
}

.rerender-current-btn i {
  font-size: 16px;
}

/* 布局容器样式 */
.layout-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  position: relative;
  justify-content: flex-start;
}

/* 顶部统一整条导航栏 */
.global-top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  background: rgba(10, 15, 30, 0.9); /* 更半透明科技感黑底 */
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 9999;
  border-bottom: 1px solid rgba(0, 170, 255, 0.15);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  pointer-events: auto; /* 保证底色本身可以阻止穿透 */
  
  /* 初始为收起状态 */
  transform: translateY(-68px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
}

.mobile-top-bar-title {
  display: none;
}

/* 展开状态 */
.global-top-bar.expanded {
  transform: translateY(0);
  background: rgba(10, 15, 30, 0.95);
  border-bottom-color: rgba(0, 170, 255, 0.25);
}

/* 顶部下拉提示指示器 */
.top-bar-indicator {
  position: absolute;
  bottom: -26px;
  left: 50%;
  transform: translateX(-50%);
  width: 86px;
  height: 26px;
  padding: 0;
  background: rgba(15, 22, 45, 0.95);
  border: 1px solid rgba(0, 170, 255, 0.35);
  border-top: none;
  border-radius: 0 0 14px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(0, 170, 255, 0.9);
  font-size: 18px;
  cursor: pointer;
  z-index: 10002;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 170, 255, 0.06);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

/* 🎯 隐形扩点击区域：用伪元素将点击触发面积扩大2.5倍，解决由于太细导致难以点中的问题 */
.top-bar-indicator::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -25px;
  right: -25px;
  bottom: -15px;
  background: transparent;
  pointer-events: auto;
}

.top-bar-indicator:hover {
  background: rgba(20, 30, 60, 0.98);
  border-color: rgba(0, 170, 255, 0.6);
  color: #fff;
  height: 29px; /* 悬停时稍微拉伸，极富弹性暗示 */
  bottom: -29px;
  box-shadow: 0 7px 20px rgba(0, 0, 0, 0.36), 0 0 15px rgba(0, 170, 255, 0.42);
}

.top-bar-indicator i {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: topBarIndicatorBounce 2.2s infinite ease-in-out;
  transition: transform 0.3s ease;
}

/* 呼吸灯和微动动画 */
@keyframes topBarIndicatorBounce {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(2px);
    opacity: 1;
    text-shadow: 0 0 6px rgba(0, 170, 255, 0.9);
  }
}

/* 当导航栏展开时指示器的变化 */
.global-top-bar.expanded .top-bar-indicator {
  bottom: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
  border-color: transparent;
}

/* 顶部统分割线 */
.top-bar-separator {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(0,170,255,0) 0%, rgba(0,170,255,0.3) 50%, rgba(0,170,255,0) 100%);
  z-index: 10001;
  pointer-events: none;
}

.layout-content {
  flex: 1 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

/* 白板页面专用全屏容器样式 */
.layout-container--board {
  height: 100vh !important;
  min-height: 100vh !important;
  overflow: hidden !important;
  justify-content: flex-start !important; /* 避免垂直居中导致子元素压缩 */
}

.layout-container--board .layout-content {
  height: 100vh !important;
  max-height: 100vh !important;
  overflow: hidden !important;
  flex: 1 !important;
}

/* ============================================================
   Light workspace polish — aligned with the landing cover
   ============================================================ */
html[data-theme='light'] .layout-container:not(.layout-container--board) {
  background:
    radial-gradient(circle at 88% 4%, rgba(66, 133, 244, 0.12), transparent 31rem),
    radial-gradient(circle at 8% 86%, rgba(52, 168, 83, 0.07), transparent 27rem),
    #fff;
}

html[data-theme='light'] .layout-container:not(.layout-container--board)::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(26, 115, 232, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 115, 232, 0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, #000, transparent 70%);
}

html[data-theme='light'] .global-top-bar,
html[data-theme='light'] .global-top-bar.expanded {
  background: rgba(255, 255, 255, 0.9) !important;
  border-bottom: 1px solid rgba(225, 231, 239, 0.92) !important;
  box-shadow: 0 8px 28px rgba(37, 55, 84, 0.08) !important;
  backdrop-filter: blur(18px) saturate(150%);
}

html[data-theme='light'] .top-bar-indicator {
  color: var(--hm-blue) !important;
  background: rgba(255, 255, 255, 0.96) !important;
  border-color: #d7e1ee !important;
  box-shadow: 0 5px 14px rgba(37, 55, 84, 0.09) !important;
}

html[data-theme='light'] .top-bar-separator {
  background: linear-gradient(90deg, transparent, rgba(26, 115, 232, 0.2), transparent) !important;
}

html[data-theme='light'] .math-animation { opacity: 0.08 !important; filter: saturate(0.8); }
html[data-theme='light'] .home-content-wrapper .logo { color: var(--hm-ink) !important; text-shadow: none !important; }
html[data-theme='light'] .home-content-wrapper .clickable-username { color: var(--hm-blue) !important; }
html[data-theme='light'] .home-content-wrapper .logo-glow,
html[data-theme='light'] .home-content-wrapper .logo-pulse,
html[data-theme='light'] .home-content-wrapper .logo-circuit { opacity: 0.12 !important; }

html[data-theme='light'] .manim-unified-panel,
html[data-theme='light'] .threejs-unified-panel,
html[data-theme='light'] .solve-unified-panel,
html[data-theme='light'] .qq-unified-panel,
html[data-theme='light'] .geogebra-unified-panel {
  --input-bg: #f6f8fb;
  --input-border: #dce3ec;
  --input-focus-bg: #fff;
  --input-btn-color: #69717c;
  --input-placeholder-color: #8a919a;
  --petal-bg: #fff;
  --petal-border: #d8e0e9;
  --petal-color: #3c4043;
  --petal-shadow: var(--hm-shadow-sm);
  --petal-active-bg: #e8f0fe;
  --petal-active-border: #8ab4f8;
  --petal-active-color: #1967d2;
  --petal-active-shadow: 0 8px 22px rgba(26, 115, 232, 0.14);
}

html[data-theme='light'] .input-capsule-bar {
  background: rgba(255, 255, 255, 0.96) !important;
  border: 1px solid #dce3ec !important;
  box-shadow: 0 14px 36px rgba(37, 55, 84, 0.1) !important;
}

html[data-theme='light'] .input-capsule-bar:focus-within {
  border-color: rgba(26, 115, 232, 0.56) !important;
  box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.09), 0 16px 38px rgba(37, 55, 84, 0.11) !important;
}

html[data-theme='light'] .tech-card,
html[data-theme='light'] .response-area,
html[data-theme='light'] .animation-preview,
html[data-theme='light'] .solve-left-panel.tech-card,
html[data-theme='light'] .solve-right-panel.open,
html[data-theme='light'] .geogebra-preview {
  color: var(--hm-ink) !important;
  background: var(--hm-panel) !important;
  border: 1px solid var(--hm-line) !important;
  border-radius: var(--hm-radius) !important;
  box-shadow: var(--hm-shadow-md) !important;
}

/* 锤锤解题模式输入态保持透明，移除残留白色卡片背景与边框 */
.solve-left-panel:not(.tech-card),
html[data-theme='light'] .solve-left-panel:not(.tech-card) {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
}

/* 解题模式结果面板的阅读白纸体验优化 */
html[data-theme='light'] .solve-left-panel.tech-card .response-content {
  background-color: #ffffff !important;
  color: var(--text-color, #1f1f1f) !important;
  border: 1px solid var(--hm-line, #e1e7ef) !important;
  border-radius: 12px !important;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02) !important;
}

html[data-theme='light'] .tech-card::before,
html[data-theme='light'] .tech-card::after { display: none !important; }
html[data-theme='light'] .preview-header,
html[data-theme='light'] .geogebra-panel-tabs { border-color: var(--hm-line) !important; }
html[data-theme='light'] .preview-title,
html[data-theme='light'] .repository-link,
html[data-theme='light'] .video-repo-hint,
html[data-theme='light'] .geogebra-repo-hint { color: var(--hm-blue) !important; }

html[data-theme='light'] .viewer-actions button,
html[data-theme='light'] .action-button,
html[data-theme='light'] .refine-trigger-btn,
html[data-theme='light'] .refine-trigger-btn-inline {
  color: #47515e !important;
  background: #fff !important;
  border: 1px solid #dce3ec !important;
  border-radius: 11px !important;
  box-shadow: var(--hm-shadow-sm) !important;
}

html[data-theme='light'] .viewer-actions button:hover,
html[data-theme='light'] .action-button:hover,
html[data-theme='light'] .refine-trigger-btn:hover,
html[data-theme='light'] .refine-trigger-btn-inline:hover {
  color: var(--hm-blue) !important;
  border-color: #a9c6ef !important;
  transform: translateY(-1px);
}

html[data-theme='light'] .browser-tip-global { color: #8a919a !important; }
html[data-theme='light'] .page-loader { color: var(--hm-ink) !important; background: #fff !important; }
html[data-theme='light'] .page-loader-logo { color: var(--hm-blue) !important; text-shadow: none !important; }
html[data-theme='light'] .page-loader-spinner {
  border-color: #e2e8f0 !important;
  border-top-color: var(--hm-blue) !important;
  box-shadow: none !important;
}

/* ==========================================
   移动端优化：语音弹窗与加载过程等比缩小
   ========================================== */
@media (max-width: 768px) {
  /* 1. 语音弹窗移动端缩小优化 */
  .voiceover-modal-overlay {
    bottom: 135px !important; /* 精确漂浮于底部模式药丸及输入框上方，不遮挡 */
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: calc(100vw - 32px) !important;
    max-width: 320px !important;
    top: auto !important; /* 强制覆盖 pc 端计算的 top */
  }

  .voiceover-modal {
    padding: 0.5rem 0.6rem !important;
    gap: 0.4rem !important;
    border-radius: 12px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5) !important;
    width: 100% !important;
  }

  .voiceover-modal-title {
    font-size: 0.75rem !important;
  }

  .voiceover-voice-select {
    font-size: 0.7rem !important;
    max-width: 80px !important;
    padding: 0.15rem 0.3rem !important;
    border-radius: 4px !important;
  }

  .voiceover-btn-primary,
  .voiceover-btn-secondary {
    padding: 0.25rem 0 !important;
    font-size: 0.75rem !important;
    border-radius: 6px !important;
  }

  .voiceover-toast-close {
    font-size: 0.95rem !important;
  }

  /* 2. 加载过程（Loading Overlay）等比缩小优化与不透明度提升 */
  .loading-overlay {
    background-color: #0c101d !important; /* 提升为 100% 完全不透明，彻底移除后面隐约可见的 AI 响应流式文本 */
    backdrop-filter: none !important;
    padding: 12px !important; /* 加载框内边距缩小，极致紧凑 */
    border-radius: 12px !important;
  }

  .loading-overlay-content {
    width: 95% !important; /* 等比扩展并缩小边缘留白 */
  }

  .loading-brand {
    font-size: 1.5rem !important;
    margin-bottom: 12px !important;
    letter-spacing: 2px !important;
  }

  .loading-progress-bar-container {
    height: 4px !important;
    margin-bottom: 12px !important;
  }

  .loading-progress-info {
    font-size: 11px !important;
    margin-bottom: 8px !important;
  }

  .loading-text {
    font-size: 12.5px !important;
    line-height: 1.35 !important;
  }

  .loading-quote {
    font-size: 11px !important;
    padding: 8px 12px !important;
    margin: 10px auto 0 !important;
    max-width: 92% !important;
    line-height: 1.35 !important;
    border-radius: 10px !important;
  }

  .quote-icon-left,
  .quote-icon-right {
    font-size: 9px !important;
  }

  /* 3. 动画预览顶部控件移动端优化（去除文字，等比缩小，避免凌乱重叠） */
  .preview-header.centered-header {
    display: flex !important;
    flex-wrap: nowrap !important; /* 避免换行重叠 */
    justify-content: space-between !important;
    align-items: center !important;
    height: 52px !important; /* 减小高度，腾出视频空间 */
    padding: 6px 12px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    background: rgba(10, 10, 20, 0.6) !important;
    backdrop-filter: blur(10px) !important;
    gap: 8px !important;
    margin-bottom: 6px !important; /* 极小化标题栏与下方播放器的间距，解决按钮与视频分得太开的问题 */
  }

  /* 缩减整体预览卡片的 padding，使视频界面能紧凑地顶上来，更美观 */
  .animation-preview {
    padding: 10px !important;
    border-radius: 12px !important;
  }

  /* 视频播放器和内容区自适应高度优化，防止把下载栏挤下屏幕，并拉近间距 */
  .preview-content {
    min-height: auto !important; /* 强制移除移动端 500px 最小高度，自动拉近并包裹 16:9 视频 */
    height: auto !important;
    border-radius: 0 0 10px 10px !important;
  }

  .video-player {
    height: auto !important;
    min-height: auto !important;
  }

  .video-player video {
    width: 100% !important;
    height: auto !important; /* 自适应缩放 */
    max-height: 52vh !important; /* 保证视频画面不会拉得太高导致超出屏幕 */
    object-fit: contain !important;
  }

  /* 紧凑化视频下载栏，确保它在手机端始终完美显示，绝不被切断 */
  .video-download-bar {
    padding: 6px 0 !important;
    background: #0d0d0d !important;
    border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    display: flex !important;
    justify-content: center !important;
  }

  .video-download-btn {
    padding: 5px 15px !important;
    font-size: 11px !important;
    border-radius: 14px !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
  }

  /* 优化各种科技卡片的移动端内边距，使内容更紧凑 */
  .tech-card {
    padding: 12px !important;
    border-radius: 12px !important;
  }

  /* 隐藏居中多余的自动保存提示词与副标题，避免遮挡和凌乱 */
  .preview-header.centered-header .centered-content {
    position: static !important;
    transform: none !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 1 !important;
    pointer-events: auto !important;
  }

  .preview-header.centered-header .preview-title {
    font-size: 0.85rem !important; /* 缩小标题 */
    font-weight: 600 !important;
    white-space: nowrap !important;
    gap: 4px !important;
  }

  .preview-header.centered-header .preview-title i {
    font-size: 1rem !important;
  }

  /* 完全隐藏移动端的温馨自动保存提示文本，以免严重挤压空间 */
  .preview-header.centered-header .preview-hint {
    display: none !important;
  }

  /* “返回” 与 “微调” 按钮等比缩小，移除文字 */
  .preview-header.centered-header .return-button,
  .preview-header.centered-header .refine-trigger-btn {
    width: 32px !important;
    height: 32px !important;
    padding: 0 !important;
    border-radius: 50% !important; /* 完美圆形 */
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
    margin: 0 !important;
  }

  /* 隐藏按钮内的文字，仅保留图标 */
  .preview-header.centered-header .return-button .btn-text,
  .preview-header.centered-header .refine-trigger-btn .btn-text {
    display: none !important;
  }

  /* 微调按钮与返回按钮图标等比缩放居中 */
  .preview-header.centered-header .return-button i,
  .preview-header.centered-header .refine-trigger-btn i {
    font-size: 15px !important;
    margin: 0 !important;
    line-height: 1 !important;
  }

  /* 针对没有 centered-header 的其他预览页 header 也进行同步缩微适配 */
  .preview-header:not(.centered-header) {
    margin-bottom: 10px !important;
    padding: 4px 8px !important;
  }
  
  .preview-header:not(.centered-header) .return-button {
    height: 30px !important;
    padding: 4px 10px !important;
    font-size: 12px !important;
    border-radius: 15px !important;
  }
}

/* ========================================================
   LIGHT THEME ADAPTIVE STYLES (Gemini-inspired Light Mode)
   ======================================================== */
html[data-theme='light'] {
  color-scheme: light;
}

html[data-theme='light'] body {
  background: var(--background-gradient) !important;
  color: var(--text-color) !important;
  position: relative;
}

/* 类似 Gemini 的彩色光晕动效 */
html[data-theme='light'] body::before,
html[data-theme='light'] body::after,
html[data-theme='light'] .layout-container::before {
  content: '';
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  filter: blur(120px);
  opacity: 0.35;
  mix-blend-mode: multiply; /* 亮色背景下混合更自然 */
}

/* 蓝色/青色光晕 - 左上 */
html[data-theme='light'] body::before {
  top: -20vh;
  left: -20vw;
  width: 65vw;
  height: 65vw;
  background: radial-gradient(circle, rgba(66, 133, 244, 0.4) 0%, rgba(0, 242, 254, 0.1) 50%, transparent 70%);
  animation: geminiGlowFloat1 25s infinite alternate ease-in-out;
}

/* 紫色/粉色光晕 - 右下 */
html[data-theme='light'] body::after {
  bottom: -20vh;
  right: -20vw;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(155, 114, 203, 0.4) 0%, rgba(217, 101, 112, 0.15) 40%, transparent 70%);
  animation: geminiGlowFloat2 30s infinite alternate ease-in-out;
}

/* 黄色/橙色光晕 - 中间偏右 */
html[data-theme='light'] .layout-container::before {
  top: 30vh;
  right: -10vw;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(251, 188, 5, 0.25) 0%, rgba(241, 154, 62, 0.08) 50%, transparent 70%);
  animation: geminiGlowFloat3 22s infinite alternate ease-in-out;
}

@keyframes geminiGlowFloat1 {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(8vw, 12vh) scale(1.15) rotate(120deg);
  }
  100% {
    transform: translate(-4vw, 5vh) scale(0.9) rotate(240deg);
  }
}

@keyframes geminiGlowFloat2 {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(-10vw, -8vh) scale(0.85) rotate(-120deg);
  }
  100% {
    transform: translate(4vw, -4vh) scale(1.1) rotate(-240deg);
  }
}

@keyframes geminiGlowFloat3 {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-6vw, 10vh) scale(1.2);
  }
  100% {
    transform: translate(6vw, -5vh) scale(0.95);
  }
}

/* 浮动数学动画淡化 */
html[data-theme='light'] .math-animation {
  opacity: 0.75 !important;
}

html[data-theme='light'] .math-symbol {
  opacity: 0.85; /* 移除 !important，以便 JS 的 hover 效果（opacity: 1）能够正常生效 */
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* 顶部导航栏亮色适配 */
html[data-theme='light'] .global-top-bar {
  background: var(--glass-background) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03) !important;
}

html[data-theme='light'] .top-bar-separator {
  background: var(--border-color) !important;
}

html[data-theme='light'] .top-bar-indicator {
  background: var(--glass-background) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-secondary) !important;
}

/* 首页标题与吉祥物亮色适配 - 炫丽的 Gemini 彩色渐变字效 */
html[data-theme='light'] .logo {
  background: linear-gradient(90deg, #4285f4 0%, #9b72cb 35%, #d96570 70%, #f19a3e 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  color: transparent !important;
  text-shadow: none !important;
  display: inline-block;
}

/* 确保子元素也继承渐变彩色 */
html[data-theme='light'] .logo * {
  background: linear-gradient(90deg, #4285f4 0%, #9b72cb 35%, #d96570 70%, #f19a3e 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  color: transparent !important;
}

html[data-theme='light'] .logo-mascot {
  filter: drop-shadow(0 4px 10px rgba(26, 115, 232, 0.15)) !important;
}

html[data-theme='light'] .tech-header .tagline {
  color: var(--text-secondary) !important;
  text-shadow: none !important;
}

html[data-theme='light'] .header-decoration {
  opacity: 0.2;
}

/* 模式选择器亮色适配 */
html[data-theme='light'] .current-mode-card {
  background: var(--card-background) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
}

html[data-theme='light'] .current-mode-card:hover {
  border-color: var(--accent-color) !important;
  box-shadow: 
    0 15px 40px rgba(0, 0, 0, 0.08),
    0 0 20px var(--accent-glow) !important;
}

html[data-theme='light'] .mode-card-background {
  opacity: 0.04 !important;
}

html[data-theme='light'] .mode-icon-large {
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.08), rgba(26, 115, 232, 0.15)) !important;
  border: 1px solid rgba(26, 115, 232, 0.3) !important;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.1) !important;
}

html[data-theme='light'] .mode-icon-large i {
  color: var(--accent-color) !important;
  filter: none !important;
}

html[data-theme='light'] .mode-title {
  color: var(--text-color) !important;
}

html[data-theme='light'] .mode-desc {
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .mode-badge {
  background: rgba(26, 115, 232, 0.1) !important;
  color: var(--accent-color) !important;
}

/* 模式网格项亮色适配 */
html[data-theme='light'] .mode-grid-item {
  background: var(--secondary-color) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02) !important;
}

html[data-theme='light'] .mode-grid-item::before {
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.03), rgba(26, 115, 232, 0.06)) !important;
}

html[data-theme='light'] .mode-grid-item:hover {
  border-color: var(--accent-color) !important;
  box-shadow: 
    0 6px 18px rgba(0, 0, 0, 0.05),
    0 0 15px var(--accent-glow) !important;
}

html[data-theme='light'] .mode-grid-item.active {
  background: #e8f0fe !important;
  border-color: var(--accent-color) !important;
  box-shadow: 
    0 6px 18px rgba(26, 115, 232, 0.12),
    0 0 15px var(--accent-glow) !important;
}

html[data-theme='light'] .mode-grid-icon {
  background: rgba(26, 115, 232, 0.1) !important;
  color: var(--accent-color) !important;
}

html[data-theme='light'] .mode-grid-icon i {
  color: var(--accent-color) !important;
}

html[data-theme='light'] .mode-grid-title {
  color: var(--text-color) !important;
}

html[data-theme='light'] .mode-grid-desc {
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .mode-grid-credits {
  background: rgba(0, 0, 0, 0.04) !important;
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .mode-grid-credits.active {
  background: rgba(26, 115, 232, 0.1) !important;
  color: var(--accent-color) !important;
}

/* 选项面板及下拉选择亮色适配 */
html[data-theme='light'] .config-section-title,
html[data-theme='light'] .config-option-label {
  color: var(--text-color) !important;
}

html[data-theme='light'] .select-custom-trigger {
  background: var(--primary-color) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-color) !important;
}

html[data-theme='light'] .select-custom-trigger:hover {
  border-color: var(--accent-color) !important;
}

html[data-theme='light'] .select-custom-dropdown {
  background: var(--primary-color) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--glass-shadow-strong) !important;
}

html[data-theme='light'] .select-custom-option {
  color: var(--text-color) !important;
}

html[data-theme='light'] .select-custom-option:hover {
  background: var(--hover-color) !important;
}

html[data-theme='light'] .select-custom-option.selected {
  background: var(--accent-glow) !important;
  color: var(--accent-color) !important;
}

/* 输入框区域与胶囊亮色适配 */
html[data-theme='light'] .input-capsule-bar {
  box-shadow: 
    0 8px 30px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
}

html[data-theme='light'] .input-capsule-textarea {
  color: var(--text-color) !important;
}

html[data-theme='light'] .ai-enhance-icon-btn {
  color: #6366f1 !important;
}

html[data-theme='light'] .ai-enhance-icon-btn:hover {
  color: #4f46e5 !important;
  text-shadow: 0 0 8px rgba(79, 70, 229, 0.3) !important;
}

/* AI修饰面板亮色适配 */
html[data-theme='light'] .petal-menu-container {
  background: var(--primary-color) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--glass-shadow-strong) !important;
}

html[data-theme='light'] .petal-item {
  color: var(--text-color) !important;
}

html[data-theme='light'] .petal-item:hover {
  background: var(--hover-color) !important;
  color: var(--accent-color) !important;
}

/* 回复区域亮色适配 */
html[data-theme='light'] .response-content {
  background-color: var(--secondary-color) !important;
  color: var(--text-color) !important;
  border: 1px solid var(--border-color) !important;
}

html[data-theme='light'] .preview-header.sticky {
  background-color: var(--primary-color) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02) !important;
}

html[data-theme='light'] .new-query-btn,
html[data-theme='light'] .copy-btn {
  background-color: var(--secondary-color) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-color) !important;
}

html[data-theme='light'] .new-query-btn:hover,
html[data-theme='light'] .copy-btn:hover {
  background-color: var(--accent-color) !important;
  color: #ffffff !important;
  border-color: var(--accent-color) !important;
}

html[data-theme='light'] .success-message {
  background-color: rgba(24, 128, 56, 0.08) !important;
  border-left: 4px solid var(--success-color) !important;
  color: var(--success-color) !important;
}

html[data-theme='light'] .error-container {
  background-color: rgba(217, 48, 37, 0.08) !important;
  border-left: 4px solid var(--error-color) !important;
}

html[data-theme='light'] .error-message {
  color: var(--error-color) !important;
}

/* 微调及对比面板亮色适配 */
html[data-theme='light'] .refine-trigger-btn {
  background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%) !important;
  border: 1px solid #c084fc !important;
  color: #6b21a8 !important;
}

html[data-theme='light'] .refine-trigger-btn i {
  color: #7e22ce !important;
}

html[data-theme='light'] .refine-trigger-btn:hover {
  background: linear-gradient(135deg, #e9d5ff 0%, #d8b4fe 100%) !important;
  border-color: #a855f7 !important;
  color: #581c87 !important;
  box-shadow: 0 4px 14px rgba(168, 85, 247, 0.15) !important;
}

html[data-theme='light'] .refine-trigger-btn-corner {
  background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%) !important;
  border: 1px solid #c084fc !important;
  color: #6b21a8 !important;
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.1) !important;
}

html[data-theme='light'] .refine-drawer-container {
  background: var(--primary-color) !important;
  border-left: 1px solid var(--border-color) !important;
  box-shadow: -4px 0 30px rgba(0, 0, 0, 0.05) !important;
}

html[data-theme='light'] .refine-drawer-header {
  border-bottom: 1px solid var(--border-color) !important;
}

html[data-theme='light'] .refine-drawer-title {
  color: var(--text-color) !important;
}

html[data-theme='light'] .refine-history-card {
  background: var(--secondary-color) !important;
  border: 1px solid var(--border-color) !important;
}

html[data-theme='light'] .refine-history-card:hover {
  border-color: var(--accent-color) !important;
}

html[data-theme='light'] .refine-history-text {
  color: var(--text-color) !important;
}

/* 名言推荐栏亮色适配 */
html[data-theme='light'] .loading-quote {
  background: rgba(0, 0, 0, 0.02) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .quote-icon-left,
html[data-theme='light'] .quote-icon-right {
  color: rgba(0, 0, 0, 0.2) !important;
}

/* 按钮微调及阴影 */
html[data-theme='light'] .action-btn {
  background: var(--primary-color) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-color) !important;
}

html[data-theme='light'] .action-btn:hover {
  border-color: var(--accent-color) !important;
  color: var(--accent-color) !important;
  background: var(--hover-color) !important;
}

/* 弹窗/模态框亮色适配 */
html[data-theme='light'] .modal-overlay {
  background-color: rgba(0, 0, 0, 0.4) !important;
}

html[data-theme='light'] .modal-container,
html[data-theme='light'] .recharge-modal-content,
html[data-theme='light'] .checkin-modal-content,
html[data-theme='light'] .announcement-modal-content {
  background: var(--primary-color) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-color) !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1) !important;
}

html[data-theme='light'] .modal-title,
html[data-theme='light'] .modal-header h3 {
  color: var(--text-color) !important;
}

html[data-theme='light'] .modal-close,
html[data-theme='light'] .close-button {
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .modal-close:hover,
html[data-theme='light'] .close-button:hover {
  color: var(--text-color) !important;
  background-color: var(--hover-color) !important;
}

/* 页脚自适应适配 */
html[data-theme='light'] .browser-tip-global span {
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .browser-tip-global i {
  color: var(--text-secondary) !important;
}

/* 真正的全局页脚亮色主题适配 */
html[data-theme='light'] .global-footer {
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .footer-item {
  background: rgba(26, 115, 232, 0.05);
  border: 1px solid rgba(26, 115, 232, 0.1);
  padding: 6px 14px;
  border-radius: 20px;
  color: #4a5568 !important;
  font-weight: 500;
  transition: all 0.3s ease;
}

html[data-theme='light'] .footer-item i {
  color: var(--accent-color) !important;
}

html[data-theme='light'] .footer-item:hover {
  background: rgba(26, 115, 232, 0.1);
  border-color: rgba(26, 115, 232, 0.3);
  color: var(--accent-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.12);
}

/* 亮色模式下二维码弹窗适配 */
html[data-theme='light'] .hover-item .qr-popup {
  background: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

html[data-theme='light'] .hover-item .qr-popup::after {
  border-color: #ffffff transparent transparent transparent;
}

/* 亮色模式下生成过程动画（LoadingOverlay）完美适配 - 采用柔和的 Gemini 渐变彩色与微发光 */
html[data-theme='light'] .loading-overlay {
  background-color: rgba(255, 255, 255, 0.85) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(26, 115, 232, 0.08) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.03) !important;
}

html[data-theme='light'] .loading-overlay::-webkit-scrollbar-thumb {
  background: rgba(60, 64, 67, 0.15) !important;
}

html[data-theme='light'] .loading-brand {
  background: linear-gradient(90deg, #4285f4 0%, #9b72cb 35%, #d96570 70%, #f19a3e 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  color: transparent !important;
  text-shadow: none !important;
  animation: none !important; /* 移除闪烁动画，保持高端稳重 */
}

html[data-theme='light'] .loading-progress-bar-container {
  background-color: rgba(0, 0, 0, 0.05) !important;
  border: 1px solid rgba(0, 0, 0, 0.02) !important;
}

html[data-theme='light'] .loading-progress-bar {
  background: linear-gradient(90deg, #4285f4 0%, #9b72cb 50%, #d96570 100%) !important;
  box-shadow: 0 0 10px rgba(155, 114, 203, 0.3) !important;
}

html[data-theme='light'] .loading-progress-info {
  color: #4a5568 !important;
  text-shadow: none !important;
}

html[data-theme='light'] .loading-text {
  color: #1f1f1f !important;
  text-shadow: none !important;
}

html[data-theme='light'] .loading-quote {
  background: rgba(255, 255, 255, 0.9) !important;
  border: 1px solid rgba(26, 115, 232, 0.1) !important;
  color: #4a5568 !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03) !important;
  text-shadow: none !important;
}

html[data-theme='light'] .loading-quote .quote-icon-left,
html[data-theme='light'] .loading-quote .quote-icon-right {
  color: rgba(26, 115, 232, 0.3) !important;
}

/* 亮色模式下动画预览面板头部（preview-header）与按钮适配 */
html[data-theme='light'] .preview-header {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
}

html[data-theme='light'] .preview-title {
  color: #1f1f1f !important;
}

html[data-theme='light'] .preview-title i {
  color: var(--accent-color) !important;
}

html[data-theme='light'] .preview-hint {
  color: #5f6368 !important;
}

html[data-theme='light'] .preview-hint .repository-link {
  background-color: rgba(26, 115, 232, 0.08) !important;
  color: var(--accent-color) !important;
}

html[data-theme='light'] .preview-hint .repository-link:hover {
  background-color: rgba(26, 115, 232, 0.15) !important;
}

/* 返回按钮亮色适配 - 温润的亮色微光胶囊 */
html[data-theme='light'] .return-button {
  background-color: rgba(0, 0, 0, 0.05) !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  color: #4a5568 !important;
  box-shadow: none !important;
}

html[data-theme='light'] .return-button:hover {
  background-color: rgba(0, 0, 0, 0.1) !important;
  color: #1a202c !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
}

/* 微调按钮亮色适配 - 炫丽的 Gemini 彩色渐变胶囊 */
html[data-theme='light'] .refine-trigger-btn {
  background: linear-gradient(135deg, #4285f4 0%, #9b72cb 50%, #d96570 100%) !important;
  border: none !important;
  color: white !important;
  box-shadow: 0 4px 15px rgba(155, 114, 203, 0.25) !important;
}

html[data-theme='light'] .refine-trigger-btn i {
  color: white !important;
}

html[data-theme='light'] .refine-trigger-btn:hover {
  background: linear-gradient(135deg, #5191f5 0%, #a87fd6 50%, #e07489 100%) !important;
  box-shadow: 0 6px 20px rgba(155, 114, 203, 0.4) !important;
  transform: translateY(-2px);
}

/* 亮色模式下视频下载栏与下载按钮适配 */
html[data-theme='light'] .video-download-bar {
  background: #f8fafd !important;
  border-top: 1px solid rgba(0, 0, 0, 0.06) !important;
}

html[data-theme='light'] .video-download-btn {
  background: rgba(26, 115, 232, 0.06) !important;
  border: 1px solid rgba(26, 115, 232, 0.15) !important;
  color: #4a5568 !important;
}

html[data-theme='light'] .video-download-btn:hover {
  background: rgba(26, 115, 232, 0.12) !important;
  border-color: rgba(26, 115, 232, 0.3) !important;
  color: var(--accent-color) !important;
}



html[data-theme='light'] .global-footer-container {
  border-top: 1px solid var(--border-color) !important;
  background: var(--secondary-color) !important;
}

html[data-theme='light'] .global-footer-text,
html[data-theme='light'] .global-footer-link {
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .global-footer-link:hover {
  color: var(--accent-color) !important;
}

/* 白板页面亮色主题适配 */
html[data-theme='light'] .board-page {
  background: #f8fafd !important;
}

html[data-theme='light'] .board-toolbar {
  background: var(--glass-background) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03) !important;
}

html[data-theme='light'] .board-back-btn {
  background: var(--secondary-color) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-color) !important;
}

html[data-theme='light'] .board-back-btn:hover {
  background: var(--hover-color) !important;
  border-color: var(--accent-color) !important;
  color: var(--accent-color) !important;
}

html[data-theme='light'] .board-title {
  color: var(--text-color) !important;
}

html[data-theme='light'] .board-subtitle {
  background: rgba(26, 115, 232, 0.08) !important;
  border: 1px solid rgba(26, 115, 232, 0.2) !important;
  color: var(--accent-color) !important;
}

html[data-theme='light'] .board-save-status {
  color: var(--text-secondary) !important;
}

html[data-theme='light'] .board-save-status.saved i {
  color: var(--success-color) !important;
}

/* 代码高亮样式 */
.response-content pre {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
  position: relative;
  border-left: 3px solid var(--accent-color);
}

.response-content code {
  font-family: 'Fira Code', 'Roboto Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-color);
  white-space: pre;
  display: block;
}

/* Manim语法关键字高亮 */
.manim-keyword {
  color: #569cd6; /* 蓝色 */
  font-weight: bold;
}

.manim-class {
  color: #4ec9b0; /* 青色 */
}

.manim-function {
  color: #dcdcaa; /* 黄色 */
}

.manim-method {
  color: #9cdcfe; /* 浅蓝色 */
}

.manim-string {
  color: #ce9178; /* 橙色 */
}

.manim-comment {
  color: #6a9955; /* 绿色 */
  font-style: italic;
}

.manim-number {
  color: #b5cea8; /* 浅绿色 */
}

/* 行号容器 */
.code-with-line-numbers {
  counter-reset: line;
  padding-left: 3.5rem;
  position: relative;
}

/* 行号样式 */
.code-line {
  position: relative;
  padding-left: 0.5rem;
  min-height: 1.5rem;
  line-height: 1.5rem;
  margin: 0;
  white-space: pre;
  counter-increment: line;
}

.code-line::before {
  content: counter(line);
  position: absolute;
  left: -3rem;
  width: 2.5rem;
  text-align: right;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
}

/* 高亮当前行 */
.code-line.highlight {
  background-color: rgba(255, 255, 255, 0.1);
  border-left: 2px solid var(--accent-color);
}

/* 代码容器悬停时的样式变化 */
.response-content pre:hover .code-line::before {
  color: rgba(255, 255, 255, 0.6);
}

/* 代码语言标签 */
.code-language {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--accent-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 0 6px 0 6px;
  font-size: 0.8rem;
  font-weight: bold;
  z-index: 1;
}

/* 复制按钮 */
.copy-code-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
  opacity: 0.5;
  transition: opacity 0.2s;
  z-index: 2;
}

.copy-code-btn:hover {
  opacity: 1;
  color: white;
} 

/* 解题模式 Markdown + KaTeX 排版 */
.solve-stream {
  font-size: 16px;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 1rem 2rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-color, #1f1f1f);
  white-space: normal;
}
.solve-stream h1,
.solve-stream h2,
.solve-stream h3,
.solve-stream h4 {
  margin: 1rem 0 0.5rem;
  text-align: center;
  color: var(--hm-ink, #202124);
}
.solve-stream p { 
  margin: 0.6rem 0; 
  text-align: left;
  max-width: 100%;
  color: var(--text-color, #1f1f1f);
}
.solve-stream ul,
.solve-stream ol { 
  padding-left: 1.25rem; 
  text-align: left;
  max-width: 100%;
  color: var(--text-color, #1f1f1f);
}
.solve-stream blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--accent-color, #1a73e8);
  background: rgba(26, 115, 232, 0.05);
  border-radius: 6px;
  text-align: left;
  color: var(--text-color, #1f1f1f);
}
.solve-stream code { 
  display: inline; 
  white-space: pre-wrap; 
  padding: 0.15rem 0.35rem; 
  background: rgba(0, 0, 0, 0.05); 
  color: #b31412;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 4px; 
}
.solve-stream pre { 
  white-space: pre-wrap; 
  text-align: left;
  background: rgba(0, 0, 0, 0.03);
  padding: 0.75rem 1rem;
  border-radius: 6px;
}

/* KaTeX 公式块置中并留白 */
.solve-stream .katex-display { 
  margin: 1rem auto; 
  overflow-x: auto; 
  text-align: center;
  color: var(--text-color, #1f1f1f);
}
.solve-stream .katex { 
  font-size: 1.06em; 
  color: var(--text-color, #1f1f1f);
}
.solve-stream .katex-error {
  color: #d93025 !important;
  background: rgba(217, 48, 37, 0.08);
  border: 1px dashed rgba(217, 48, 37, 0.4);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9em;
  word-break: break-all;
}

/* 数学公式错误样式 */
.math-error {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 107, 107, 0.3);
}

/* 提升层级，避免被其他浮层遮挡 */
.response-content { position: relative; }
.solve-stream { position: relative; z-index: 4; }

/* 解题模式下的 LoadingOverlay 样式调整 */
.loading-overlay.solve-mode {
  background-color: rgba(12, 16, 29, 0.85);
  backdrop-filter: blur(2px);
}

.loading-overlay.solve-mode .loading-brand {
  /* display: none !important; */
  color: #fff;
}

.loading-overlay.solve-mode .loading-overlay-content {
  gap: 1rem;
} 
/* 全局移动端优化样式 */

/* 基础响应式布局调整 */
@media (max-width: 768px) {
  :root {
    --content-width: 100%;
    --card-radius: 10px;
  }
  
  /* 移动端默认允许页面自然纵向滚动 */
  html, body {
    font-size: 15px;
  }

  /* 仅在指定路由锁定滚动（由 RouteScrollModeManager 控制 body 类名） */
  body.route-scroll-locked {
    overflow-x: hidden !important;
    overflow-y: hidden !important;
    height: 100% !important;
    position: fixed !important;
    width: 100% !important;
  }

  body.route-scroll-locked .app-container {
    display: flex !important;
    flex-direction: column !important;
    height: 100vh !important;
    height: 100dvh !important;
    overflow: hidden !important;
    position: relative !important;
  }

  body.route-scroll-locked .home-content-wrapper {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    height: 100% !important;
    padding-top: 56px !important; /* 向上移动主体，预留顶栏下拉高度即可 (原84px) */
    padding-bottom: 120px !important; /* 增加底部 padding，防止输入框上移时和画板产生遮挡 (原110px) */
    box-sizing: border-box !important;
  }
  
  body.route-scroll-locked .container {
    padding: 0 !important;
    margin: 0 !important;
    gap: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    flex: 1 !important;
    height: 100% !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }
  
  /* 强制模式选择器也使用单列布局 */
  .mode-selector {
    grid-column: 1 / -1 !important;
    min-width: unset !important;
    max-width: 100% !important;
  }
  
  /* 强制所有模式下的容器都使用单列/自适应视口高度布局 */
  body.route-scroll-locked .container,
  body.route-scroll-locked .container.threejs-mode,
  body.route-scroll-locked .container.solve-mode {
    display: flex !important;
    flex-direction: column !important;
    grid-template-columns: none !important;
    grid-template-rows: none !important;
    height: 100% !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }
  
  .card {
    padding: 1.2rem;
  }
  
  /* 优化头部布局 - 压缩高度以给操作画板留出最大空间 */
  header, .tech-header {
    padding: 2px 12px !important; /* 深度缩小 Padding (原8px) */
    margin-bottom: 0 !important;
    flex: 0 0 auto !important;
  }
  
  .title-container {
    padding: 0 !important;
    margin-top: -6px !important; /* 再往上微调 */
  }
  
  .logo {
    font-size: 1.15rem !important; /* 标题字号等比再缩小 (原1.4rem) */
    letter-spacing: 0.5px !important;
  }
  
  .logo-badge {
    right: -25px;
    font-size: 0.8rem;
    padding: 0.1rem 0.4rem;
  }
  
  .tagline {
    font-size: 0.68rem !important; /* 副标题字号等比再缩小 (原0.8rem) */
    margin-top: -2px !important; /* 缩短与大标题的距离 */
    margin-bottom: 0 !important;
    opacity: 0.75 !important;
  }
  
  .tagline-en {
    display: none !important; /* 移动端隐藏英文小标题，节省高度 */
  }
  
  /* 优化页脚 */
  .tech-footer {
    padding: 2rem 1.5rem;
    margin-top: 2rem;
  }
  
  .banner-title {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
  }
  
  .banner-section .scrolling-banner {
    height: 160px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  
  /* 调整特别鸣谢部分 */
  .credits-section {
    align-items: center;
  }
  
  .credits-title {
    font-size: 1.1rem;
  }
  
  .credits-list {
    gap: 1.2rem;
  }
  
  .credit-item {
    padding: 0.8rem;
    min-width: 100px;
  }
  
  .credit-name {
    font-size: 1rem;
  }
  
  /* 调整模式选择器 */
  .mode-selector {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
    min-width: unset;
    width: 100%;
    border-radius: 10px;
  }
  
  .mode-button {
    padding: 0.8rem 1rem;
    border-radius: 8px;
  }

  .header-button-container {
    top: 15px; /* 移动到左上角，与右侧用户信息垂直对齐 */
    left: 20px;
  }

  /* ========================================================
     顶部统一整条导航栏（下拉栏）移动端极简自适应重构
     ======================================================== */
  .global-top-bar {
    height: 52px !important; /* 深度缩小高度，由 76px 缩至 52px */
    transform: translateY(-44px) !important; /* 收起时向上收回，仅露出下边缘 8px 用作指示器触发 */
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 10px !important;
    box-sizing: border-box !important;
    gap: 6px !important;
  }

  .global-top-bar.expanded {
    transform: translateY(0) !important; /* 展开状态 */
  }

  /* 下拉指示器同步位置缩减 */
  .global-top-bar .top-bar-indicator {
    bottom: -20px !important;
    height: 20px !important;
    width: 66px !important;
    border-radius: 0 0 11px 11px !important;
    font-size: 14px !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  
  .global-top-bar .top-bar-indicator:hover {
    bottom: -22px !important;
    height: 22px !important;
  }

  .global-top-bar.expanded .top-bar-indicator {
    height: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }

  /* 1. 左侧：导航菜单 */
  .navigation-menu {
    position: relative !important; /* 改为 relative 保证下拉子菜单以它为基准定位 */
    top: auto !important;
    left: auto !important;
    transform: none !important;
    margin: 0 !important;
    z-index: 10002 !important;
    display: flex !important;
    align-items: center !important;
  }

  /* 导航按钮整体变小，变为纯图标圆形按钮 */
  .navigation-button {
    width: 32px !important;
    height: 32px !important; /* 高度从 44px 缩到 32px */
    padding: 0 !important; /* 移除内边距 */
    border-radius: 50% !important; /* 变为圆形 */
    justify-content: center !important;
    align-items: center !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2) !important;
  }

  .navigation-button .navigation-icon {
    font-size: 13px !important; /* 缩小图标 */
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .navigation-button .navigation-text {
    display: none !important; /* 隐藏文字 */
  }

  /* 导航下拉菜单适配及内容等比例缩小 */
  .navigation-dropdown {
    top: calc(100% + 6px) !important;
    min-width: 180px !important;
    width: 230px !important;
    border-radius: 12px !important;
  }

  .navigation-drag-hint {
    padding: 6px 12px !important;
    font-size: 10px !important;
  }

  .navigation-drag-hint i {
    font-size: 12px !important;
  }

  .navigation-option {
    padding: 8px 12px !important;
    gap: 8px !important;
  }

  .option-drag-handle {
    width: 16px !important;
    height: 16px !important;
    font-size: 11px !important;
  }

  .option-icon {
    width: 28px !important;
    height: 28px !important;
    border-radius: 6px !important;
    font-size: 14px !important;
  }

  .option-content {
    gap: 1px !important;
  }

  .option-title {
    font-size: 12px !important;
  }

  .option-desc {
    font-size: 10px !important;
  }

  .arrow-icon {
    font-size: 14px !important;
  }

  .navigation-option-download .arrow-icon {
    font-size: 14px !important;
  }

  /* 2. 中间：常用入口胶囊（灵动岛） */
  .dynamic-island-portal {
    position: relative !important; /* 改为 relative 保证气泡定位 */
    top: auto !important;
    left: auto !important;
    transform: none !important;
    margin: 0 !important;
    pointer-events: auto !important;
    z-index: 10001 !important;
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    min-width: 0 !important;
  }

  /* 灵动岛主胶囊极简化 */
  .dynamic-island {
    height: 32px !important; /* 高度从 44px/40px 缩到 32px */
    min-width: unset !important; /* 移除最小宽度约束，支持灵活缩小 */
    max-width: 120px !important; /* 严格限制最大宽度，为两侧按钮挪出排版空间 */
    padding: 0 4px !important;
    border-radius: 16px !important;
    justify-content: center !important;
    box-shadow: 
      0 2px 10px rgba(0, 0, 0, 0.4),
      0 0 8px rgba(0, 170, 255, 0.15) !important;
  }

  /* 隐藏里面的发光玻璃高光层 */
  .island-glass-shimmer {
    display: none !important;
  }

  .island-shortcuts {
    gap: 1px !important;
    justify-content: center !important;
    width: 100% !important;
  }

  /* 单个快捷入口按钮极简化 */
  .island-shortcut-btn {
    padding: 2px 5px !important; /* 深度缩小内边距 */
    gap: 0 !important;
    height: 24px !important;
    border-radius: 12px !important;
  }

  .island-shortcut-icon {
    font-size: 12px !important; /* 缩小快捷小图标 */
  }

  .island-shortcut-label {
    display: none !important; /* 移动端彻底隐藏快捷入口文本，仅保留纯图标 */
  }

  /* 分割线位置自适应微调 */
  .island-shortcuts .island-shortcut-btn:not(:last-child)::after {
    top: 30% !important;
    height: 40% !important;
    right: 0px !important;
  }

  /* 3. 右侧：设置与公告组件 */
  .settings-menu {
    position: relative !important; /* 改为 relative */
    top: auto !important;
    right: auto !important;
    transform: none !important;
    margin: 0 !important;
    gap: 5px !important; /* 紧凑间距 */
    z-index: 10002 !important;
    display: flex !important;
    align-items: center !important;
  }

  /* 公告喇叭按钮 */
  .announcement-button {
    width: 32px !important; /* 高宽完美等高对齐 32px */
    height: 32px !important;
    font-size: 13px !important; /* 稍微缩小喇叭图标 */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2) !important;
  }

  /* 设置按钮变为纯图标圆形按钮 */
  .settings-button {
    width: 32px !important;
    height: 32px !important; /* 高度从 44px 缩到 32px */
    padding: 0 !important;
    border-radius: 50% !important;
    justify-content: center !important;
    align-items: center !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2) !important;
  }

  .settings-button .settings-icon {
    font-size: 13px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .settings-button .settings-text {
    display: none !important; /* 隐藏文字 */
  }

  /* 设置下拉菜单适配及内容等比例缩小 */
  .settings-dropdown {
    top: calc(100% + 6px) !important;
    right: 0 !important;
    left: auto !important;
    min-width: 180px !important;
    width: 220px !important;
    border-radius: 12px !important;
  }

  .settings-section {
    padding: 6px !important;
  }

  .settings-option {
    padding: 8px 10px !important;
    gap: 8px !important;
    font-size: 11px !important;
    margin: 1px !important;
    width: calc(100% - 2px) !important;
  }

  .user-option {
    padding: 6px 8px !important;
  }

  .user-avatar {
    width: 26px !important;
    height: 26px !important;
    font-size: 12px !important;
  }

  .username {
    font-size: 12px !important;
  }

  .credits-info-container {
    padding: 0 6px 6px !important;
  }

  .credits-balance-menu {
    padding: 6px 10px !important;
  }

  .credits-text {
    gap: 3px !important;
  }

  .credits-text span {
    font-size: 10px !important;
  }

  .credits-amount {
    font-size: 12px !important;
  }

  .credits-balance-menu button,
  .super-vip-info-container button {
    font-size: 10px !important;
    padding: 3px 6px !important;
  }

  .super-vip-info-container {
    padding: 8px 10px !important;
    gap: 6px !important;
  }

  .super-vip-info-container span {
    font-size: 11px !important;
  }

  .language-toggle {
    gap: 6px !important;
    padding: 2px !important;
  }

  .lang-btn {
    padding: 6px !important;
    font-size: 11px !important;
    gap: 4px !important;
  }

  .option-flag {
    font-size: 13px !important;
  }

  .logout-button {
    padding: 6px 8px !important;
  }

  .logout-button .option-icon {
    font-size: 13px !important;
    margin-right: 6px !important;
  }

  .credits-warning {
    font-size: 10px !important;
    margin-top: 4px !important;
  }

  /* 内容型页面强制开启滚动（作品展示/仓库/详情/个人中心） */
  .showcase-page,
  .my-works-page,
  .showcase-detail-page,
  .profile-page {
    min-height: 100dvh !important;
    height: auto !important;
    overflow: visible !important;
  }
}

/* Gemini-inspired mobile workspace chrome */
@media (max-width: 768px) {
  .global-top-bar,
  .global-top-bar.expanded {
    height: calc(64px + env(safe-area-inset-top)) !important;
    padding: env(safe-area-inset-top) 16px 0 !important;
    transform: none !important;
    gap: 0 !important;
    background: rgba(15, 17, 24, 0.88) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
    box-shadow: none !important;
    backdrop-filter: blur(22px) saturate(150%) !important;
    -webkit-backdrop-filter: blur(22px) saturate(150%) !important;
  }

  .global-top-bar .top-bar-indicator,
  .global-top-bar .top-bar-separator,
  .global-top-bar .dynamic-island-portal,
  .global-top-bar .announcement-button,
  .global-top-bar .checkin-entry-button {
    display: none !important;
  }

  .global-top-bar .navigation-menu,
  .global-top-bar .settings-menu {
    position: relative !important;
    top: auto !important;
    right: auto !important;
    left: auto !important;
    z-index: 10002 !important;
  }

  .global-top-bar .navigation-button,
  .global-top-bar .settings-button {
    width: 44px !important;
    height: 44px !important;
    padding: 0 !important;
    color: var(--text-color) !important;
    background: transparent !important;
    border: 0 !important;
    border-radius: 50% !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
  }

  .global-top-bar .navigation-icon,
  .global-top-bar .settings-icon {
    color: inherit !important;
    font-size: 25px !important;
  }

  .global-top-bar .settings-menu {
    margin-left: auto !important;
  }

  .mobile-top-bar-title {
    position: absolute;
    top: env(safe-area-inset-top);
    left: 64px;
    right: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 64px;
    padding: 0 10px;
    overflow: hidden;
    color: var(--text-color);
    background: transparent;
    border: 0;
    font: inherit;
    font-size: 18px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
  }

  .mobile-top-bar-title span {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mobile-top-bar-title i {
    flex: 0 0 auto;
    font-size: 21px;
    transition: transform 0.2s ease;
  }

  .mobile-top-bar-title:disabled {
    opacity: 1;
    cursor: default;
  }

  .mobile-top-bar-title:disabled i {
    display: none;
  }

  .navigation-dropdown,
  .settings-dropdown {
    top: calc(100% + 10px) !important;
  }

  html[data-theme='light'] .global-top-bar,
  html[data-theme='light'] .global-top-bar.expanded {
    background: rgba(255, 255, 255, 0.9) !important;
    border-bottom-color: rgba(32, 33, 36, 0.06) !important;
  }

  html[data-theme='light'] .global-top-bar .navigation-button,
  html[data-theme='light'] .global-top-bar .settings-button {
    color: #202124 !important;
    background: transparent !important;
  }
}

/* 平板设备优化 (768px-1199px) */
@media (min-width: 769px) and (max-width: 1199px) {
  .container,
  .container.threejs-mode,
  .container.solve-mode {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto auto auto !important;
    padding: 0 2rem 2.5rem;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
  }
  
  /* 强制模式选择器也使用单列布局 */
  .mode-selector {
    grid-column: 1 / -1 !important;
    min-width: unset !important;
    max-width: 100% !important;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  header {
    padding: 2.5rem 2rem;
  }
}

/* 小屏幕设备额外优化 */
@media (max-width: 480px) {
  html, body {
    font-size: 14px;
  }
  
  body.route-scroll-locked .container {
    padding: 0 !important;
    margin: 0 !important;
    gap: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    flex: 1 !important;
    height: 100% !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }
  
  /* 强制模式选择器也使用单列布局 */
  .mode-selector {
    min-width: unset !important;
    max-width: 100% !important;
  }
  
  /* 强制所有模式下的容器在超小屏幕下也遵循一屏 flex 布局 */
  body.route-scroll-locked .container,
  body.route-scroll-locked .container.threejs-mode,
  body.route-scroll-locked .container.solve-mode {
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }
  
  .card {
    padding: 1rem;
    border-radius: 8px;
  }
  
  /* 头部元素进一步缩小 */
  header {
    padding: 1.5rem 1rem;
  }
  
  .logo {
    font-size: 2rem;
    letter-spacing: 2px;
    margin-bottom: 0.3rem;
  }
  
  .logo-badge {
    right: -20px;
    top: -2px;
    font-size: 0.8rem;
    padding: 0.1rem 0.4rem;
  }
  
  .tagline {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
  }
  
  .tagline-en {
    font-size: 0.75rem;
    margin-bottom: 1rem;
    letter-spacing: 0.6px;
  }
  
  /* 微调模式选择器 */
  .mode-button {
    padding: 0.7rem 0.8rem;
  }
  
  /* 调整页脚更加紧凑 */
  .tech-footer {
    padding: 1.5rem 1rem;
  }
  
  .banner-title {
    font-size: 1rem;
    margin-bottom: 1rem;
  }
  
  .banner-section .scrolling-banner {
    height: 140px;
  }
  
  .footer-divider {
    width: 60%;
  }
  
  /* 调整特别鸣谢样式 */
  .credits-list {
    gap: 1rem;
  }
  
  .credit-item {
    padding: 0.7rem;
    min-width: 90px;
  }
  
  /* 优化公告弹窗 */
  .modal-content {
    padding: 1.5rem 1.2rem;
  }
  
  .modal-content h2 {
    font-size: 1.3rem;
  }
}

/* 修复移动端上常见的滚动和溢出问题 */
@media (max-width: 768px) {
  /* 修复输入/响应区域宽度溢出 */
  .input-container,
  .response-container,
  .animation-container {
    max-width: 100vw;
    overflow-x: hidden;
  }
  
  /* 确保代码区域可以水平滚动 */
  .code-block,
  pre,
  .fixed-code {
    white-space: pre;
    overflow-x: auto;
    max-width: 100%;
  }
  
  /* 确保图片和视频不会溢出容器 */
  img, video {
    max-width: 100%;
    height: auto;
  }
  
  /* 针对不同移动设备优化浮动图标尺寸 */
  .floating-logo {
    transform: scale(0.8);
    right: 20px;
    bottom: 20px;
  }
  
  /* 确保弹窗在小屏幕上正常显示 */
  .modal-overlay .modal-content {
    width: 95%;
    max-width: 95%;
    max-height: 80vh;
    overflow-y: auto;
    margin: 10px;
    padding: 1.2rem;
  }

  /* 隐藏页脚，节省移动端屏幕纵向空间 */
  .tech-footer, .footer, footer {
    display: none !important;
  }

  /* 统一面板布局自适应，确保不产生全局滚动条 */
  .manim-unified-panel,
  .threejs-unified-panel,
  .qq-unified-panel,
  .solve-unified-panel,
  .geogebra-unified-panel {
    display: flex !important;
    flex-direction: column !important;
    flex: 1 !important;
    height: 100% !important;
    min-height: 0 !important;
    gap: 0 !important;
    overflow: hidden !important;
    position: relative !important;
  }

  /* GeoGebra 控制面板在移动端不占高度，仅显示悬浮的输入框 */
  .geogebra-control-panel {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    height: 0 !important;
    min-height: 0 !important;
  }

  /* 强制面板内部卡片和视图充满剩余空间，不允许溢出滚动 */
  .panel-content {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    opacity: 0;
    visibility: hidden;
    overflow: hidden !important;
  }

  .panel-content.active {
    opacity: 1 !important;
    visibility: visible !important;
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    min-height: 0 !important;
  }

  /* 强制卡片、预览区、响应区铺满剩余视口 */
  .geogebra-preview,
  .animation-preview,
  .response-area,
  .threejs-preview,
  .solve-left-panel {
    flex: 1 !important;
    height: 100% !important;
    min-height: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important; /* 去除圆角，边缘贴合更显原生 */
    border: none !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    box-shadow: none !important;
    background: transparent !important;
  }

  /* 解题分析、QQ模式等文本/问答响应区，允许内部文章独立滚动，但不允许外层窗口滑动 */
  .response-container,
  .response-content {
    flex: 1 !important;
    overflow-y: auto !important;
    min-height: 0 !important;
    padding-bottom: 20px !important;
  }

  /* 确保 GeoGebra 视图容器在移动端绝对铺满且保持舒适的高宽比例 */
  .geogebra-viewer,
  .geogebra-viewer .viewer-content,
  .geogebra-wrapper {
    height: 100% !important;
    width: 100% !important;
    flex: 1 !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important; /* 去除原生灰色背景，融合进黑色科技卡片中 */
  }

  /* 强力优化移动端 GeoGebra 的画板长宽比与可视面积，使其不再受到高度压缩而显得极扁 */
  .geogebra-preview {
    margin: 4px 10px 4px 10px !important; /* 深度缩小底边距，将下方大面积留白完全消化 (原10px) */
    border-radius: 12px !important; /* 给主体画板增加精美适度的圆角 */
    border: 1px solid rgba(0, 170, 255, 0.2) !important; /* 增加精致科技感蓝色边框 */
    background: linear-gradient(180deg, rgba(15, 17, 28, 0.4) 0%, rgba(10, 12, 22, 0.6) 100%) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5) !important;
    flex: 1 !important;
    height: 100% !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
  }

  /* 确保 3D 和动画视频区域高度自适应，防止挤压 */
  .animation-container,
  .threejs-container {
    flex: 1 !important;
    height: 100% !important;
    min-height: 0 !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: #000;
  }
}

/* 移动端弹窗优化样式 */
@media (max-width: 768px) {
  /* 新用户指南弹窗优化 */
  .new-user-guide-modal-content {
    width: 90%;
    max-width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    margin: 0;
    padding: 25px 20px;
    border-radius: 12px;
  }
  
  .new-user-guide-modal-content h2 {
    font-size: 1.4rem;
    margin-bottom: 10px;
  }
  
  .guide-section {
    padding-left: 12px;
    margin-bottom: 20px;
  }
  
  .guide-section h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }
  
  .guide-section ul {
    padding-left: 5px;
  }
  
  .guide-section li {
    margin-bottom: 8px;
    font-size: 0.95rem;
  }
  
  .guide-close-btn {
    padding: 10px;
    font-size: 0.95rem;
  }
  
  /* 通用弹窗容器优化 */
  .modal-overlay .modal-content {
    width: 92%;
    max-width: 92%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 20px 16px;
  }
  
  /* 公告弹窗优化 */
  .announcement-item {
    padding: 16px;
  }
  
  .announcement-item h3 {
    font-size: 1.1rem;
  }
  
  .announcement-item p {
    font-size: 0.95rem;
  }
  
  /* 社区/俱乐部图片弹窗 */
  .image-modal-content {
    width: 90%;
    padding: 16px;
  }
  
  .enlarged-community-image {
    max-width: 100%;
    max-height: 60vh;
  }
  
  .scan-hint {
    font-size: 1rem;
    margin-top: 15px;
  }
  
  /* 修复弹窗优化 */
  .fix-modal-content {
    width: 90%;
    padding: 20px 16px;
  }
  
  .credit-explanation-modal-content {
    width: 90%;
    padding: 20px;
  }
}

/* 小屏幕设备额外优化 */
@media (max-width: 480px) {
  /* 新用户指南弹窗进一步优化 */
  .new-user-guide-modal-content {
    width: 95%;
    padding: 20px 16px;
  }
  
  .new-user-guide-modal-content h2 {
    font-size: 1.3rem;
  }
  
  .guide-section h3 {
    font-size: 1rem;
  }
  
  .guide-section li {
    font-size: 0.9rem;
    line-height: 1.5;
  }
  
  /* 确保关闭按钮容易点击 */
  .close-modal-btn {
    padding: 8px;
    font-size: 1.6rem;
    height: 32px;
    width: 32px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
  }
  
  /* 水印设置弹窗优化 */
  .watermark-modal-content {
    width: 95%;
    max-height: 85vh;
  }
  
  .watermark-modal-header, 
  .watermark-modal-body,
  .watermark-modal-footer {
    padding: 15px;
  }
  
  .watermark-modal-footer {
    flex-direction: column;
    gap: 10px;
  }
  
  .watermark-modal-footer button {
    width: 100%;
    justify-content: center;
  }
  
  /* 确保内容垂直居中 */
  .modal-overlay, 
  .new-user-guide-modal-overlay,
  .credit-explanation-modal-overlay,
  .image-modal-overlay {
    align-items: center;
    justify-content: center;
    padding: 20px 0;
  }
} 

/*# sourceMappingURL=/src.0b67005b.css.map */