/* ===== TokenLink 品牌样式体系 ===== */
:root {
  color-scheme: light;
  /* 品牌色系 - 科技紫蓝渐变 */
  --tl-primary: #6366f1;
  --tl-primary-dark: #4f46e5;
  --tl-primary-light: #818cf8;
  --tl-secondary: #0f172a;
  --tl-accent: #06b6d4;
  --tl-accent-green: #10b981;
  --tl-accent-orange: #f59e0b;
  --tl-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --tl-gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

  /* 文本色 */
  --tl-text: #1e293b;
  --tl-text-light: #64748b;
  --tl-text-white: #ffffff;

  /* 背景色 */
  --tl-bg: #ffffff;
  --tl-bg-soft: #f8fafc;
  --tl-bg-dark: #0f172a;

  /* 边框 */
  --tl-border: #e2e8f0;

  /* 间距 */
  --tl-spacing-xs: 4px;
  --tl-spacing-sm: 8px;
  --tl-spacing-md: 16px;
  --tl-spacing-lg: 24px;
  --tl-spacing-xl: 48px;
  --tl-spacing-2xl: 80px;

  /* 圆角 */
  --tl-radius-sm: 6px;
  --tl-radius-md: 12px;
  --tl-radius-lg: 16px;
  --tl-radius-xl: 24px;
  --tl-radius-full: 9999px;

  /* 阴影 */
  --tl-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --tl-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --tl-shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --tl-shadow-glow: 0 0 40px rgba(99,102,241,0.15);

  /* 字体 */
  --tl-font: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* ===== 基础重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--tl-font);
  line-height: 1.6;
  color: var(--tl-text);
  font-size: 16px;
  background: var(--tl-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* ===== 导航栏 ===== */
#theme-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--tl-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  gap: 24px;
}

.logo a {
  font-size: 22px;
  font-weight: 800;
  background: var(--tl-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

[data-menu-location="header"] {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu {
  display: flex;
  gap: 32px;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-menu .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--tl-text);
  transition: color 0.3s;
  position: relative;
  white-space: nowrap;
}

.nav-menu .nav-link:hover,
.nav-menu .nav-link.active {
  color: var(--tl-primary);
}

.nav-menu .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--tl-gradient);
  border-radius: 1px;
}

.nav-auth {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--tl-text);
  padding: 8px 16px;
  border-radius: var(--tl-radius-sm);
  transition: all 0.3s;
}

.btn-login:hover { color: var(--tl-primary); }

.btn-register {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--tl-gradient);
  padding: 7px 16px;
  border-radius: var(--tl-radius-full);
  transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(99,102,241,0.3);
  white-space: nowrap;
}

.btn-register:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
}

/* ===== 移动端菜单切换按钮（汉堡）===== */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--tl-radius-sm);
  transition: background 0.3s;
  flex-shrink: 0;
}
.menu-toggle:hover { background: rgba(99,102,241,0.08); }
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--tl-primary-light);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
/* 展开时汉堡变为 X */
#theme-header.mobile-nav-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#theme-header.mobile-nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
#theme-header.mobile-nav-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 用户菜单 ===== */
.user-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--tl-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.3s;
}

.user-avatar:hover {
  transform: scale(1.05);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: #fff;
  border-radius: var(--tl-radius-md);
  box-shadow: var(--tl-shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s;
  z-index: 1000;
}

.user-menu:hover .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-info {
  padding: 16px;
  border-bottom: 1px solid var(--tl-border);
}

.user-name {
  font-weight: 600;
  color: var(--tl-text);
  margin-bottom: 4px;
}

.user-email {
  font-size: 13px;
  color: var(--tl-text-light);
}

.dropdown-divider {
  height: 1px;
  background: var(--tl-border);
  margin: 8px 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  color: var(--tl-text);
  font-size: 14px;
  transition: background 0.3s;
}

.dropdown-item:hover {
  background: var(--tl-bg-soft);
  color: var(--tl-primary);
}

.dropdown-item i {
  width: 16px;
  text-align: center;
}

/* ===== Hero区域 ===== */
.hero-section {
  padding: 160px 0 100px;
  background: var(--tl-gradient-dark);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(99,102,241,0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(6,182,212,0.1) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-2%, 2%); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,0.2);
  border: 1px solid rgba(99,102,241,0.3);
  padding: 6px 16px;
  border-radius: var(--tl-radius-full);
  font-size: 14px;
  color: var(--tl-primary-light);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title .gradient-text {
  background: var(--tl-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--tl-gradient);
  color: #fff;
  padding: 14px 32px;
  border-radius: var(--tl-radius-full);
  font-size: 16px;
  font-weight: 600;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 14px 32px;
  border-radius: var(--tl-radius-full);
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s;
}

.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
}

/* ===== 核心服务区域 ===== */
.services-section {
  padding: var(--tl-spacing-2xl) 0;
  background: var(--tl-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--tl-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--tl-secondary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 18px;
  color: var(--tl-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--tl-bg);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-lg);
  padding: 32px;
  transition: all 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--tl-shadow-lg);
  border-color: var(--tl-primary-light);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--tl-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.service-icon.purple { background: rgba(99,102,241,0.1); color: var(--tl-primary); }
.service-icon.cyan { background: rgba(6,182,212,0.1); color: var(--tl-accent); }
.service-icon.green { background: rgba(16,185,129,0.1); color: var(--tl-accent-green); }
.service-icon.orange { background: rgba(245,158,11,0.1); color: var(--tl-accent-orange); }

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--tl-secondary);
}

.service-card p {
  font-size: 15px;
  color: var(--tl-text-light);
  line-height: 1.7;
}

/* ===== 数据统计区域 ===== */
.stats-section {
  padding: 64px 0;
  background: var(--tl-gradient-dark);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: 42px;
  font-weight: 800;
  background: var(--tl-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
}

/* ===== 技术优势区域 ===== */
.features-section {
  padding: var(--tl-spacing-2xl) 0;
  background: var(--tl-bg-soft);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--tl-bg);
  border-radius: var(--tl-radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--tl-shadow-sm);
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--tl-shadow-lg);
}

.feature-card .feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--tl-secondary);
}

.feature-card p {
  font-size: 15px;
  color: var(--tl-text-light);
  line-height: 1.7;
}

/* ===== 热门模型区域 ===== */
.models-section {
  padding: var(--tl-spacing-2xl) 0;
  background: var(--tl-bg);
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.model-card {
  background: var(--tl-bg-soft);
  border: 1px solid var(--tl-border);
  border-radius: var(--tl-radius-md);
  padding: 24px;
  text-align: center;
  transition: all 0.3s;
}

.model-card:hover {
  border-color: var(--tl-primary-light);
  box-shadow: var(--tl-shadow-md);
  transform: translateY(-2px);
}

.model-card .model-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.model-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--tl-secondary);
  margin-bottom: 4px;
}

.model-card p {
  font-size: 13px;
  color: var(--tl-text-light);
}

/* ===== CTA区域 ===== */
.cta-section {
  padding: var(--tl-spacing-2xl) 0;
  background: var(--tl-gradient);
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--tl-primary);
  padding: 14px 36px;
  border-radius: var(--tl-radius-full);
  font-size: 16px;
  font-weight: 700;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* ===== Footer ===== */
#theme-footer {
  background: var(--tl-secondary);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  color: var(--tl-primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
}

/* ===== 通用组件样式 ===== */
[data-editor-section] {
  padding: var(--tl-spacing-xl) 0;
}

[data-editor-column] {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tl-spacing-md);
}

[data-column-width="100%"] {
  width: 100%;
  flex-direction: column;
}

[data-component-type="text"] h1 { font-size: 2.5rem; margin-bottom: 1rem; color: var(--tl-secondary); }
[data-component-type="text"] h2 { font-size: 2rem; margin-bottom: 0.75rem; color: var(--tl-secondary); }
[data-component-type="text"] h3 { font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--tl-secondary); }
[data-component-type="text"] p { font-size: 1.1rem; color: var(--tl-text-light); line-height: 1.8; }

[data-component-type="button"] .btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--tl-radius-full);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
  border: 2px solid transparent;
}

[data-component-type="button"] .btn-primary {
  background: var(--tl-gradient);
  color: #fff;
}

[data-component-type="button"] .btn-outline {
  background: transparent;
  color: var(--tl-primary);
  border-color: var(--tl-primary);
}

[data-component-type="image"] img {
  max-width: 100%;
  height: auto;
  border-radius: var(--tl-radius-md);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .models-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-columns { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .section-title { font-size: 28px; }
  .services-grid { grid-template-columns: 1fr; }
  .models-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item h3 { font-size: 32px; }
  /* ===== 移动端导航栏：两行结构（Logo居中在上，菜单在下） ===== */
  .logo a { font-size: 20px; font-weight: 800; color: #0f172a; }
  .logo img { max-height: 42px; }
  .btn-login { font-size: 13px; padding: 7px 14px; font-weight: 600; color: #0f172a; border-color: #0f172a; }
  .btn-register { font-size: 13px; padding: 7px 14px; font-weight: 600; }
  .nav-auth { gap: 10px; }
  .nav-container {
    height: auto;
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 10px;
    padding-bottom: 8px;
    gap: 8px;
  }
  /* 第一行：Logo 独占一行并居中 */
  .logo {
    flex: 0 0 100%;
    display: flex;
    justify-content: center;
    order: -1;
  }
  /* ===== 移动端导航菜单 ===== */
  .menu-toggle { display: flex !important; }
  .nav-auth { margin-left: auto; }
  /* 菜单容器收起为下拉面板（两行结构下偏移量更大） */
  [data-menu-location="header"] {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex: none;
    justify-content: flex-start;
    background: #ffffff;
    border-bottom: 2px solid #e2e8f0;
    box-shadow: 0 12px 40px rgba(15,23,42,0.15);
    padding: 14px 20px 22px;
    z-index: 999;
  }
  #theme-header.mobile-nav-open [data-menu-location="header"] { display: block !important; }
  .nav-menu {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
  }
  .nav-menu .nav-link {
    display: block;
    padding: 13px 16px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    color: #0f172a;
  }
  .nav-menu .nav-link span { color: #0f172a; }
  .nav-menu .nav-link:hover,
  .nav-menu .nav-link.active { background: rgba(99,102,241,0.1); color: #4f46e5; }
  .nav-menu .nav-link.active::after { display: none; }
  /* 手机端头部亮度增强（Hero 保持与桌面端一致的深色背景） */
  #theme-header { background: #ffffff; }
  .hero-section { background: var(--tl-gradient-dark); }
  body { background: #ffffff; }
  /* 两行头部增高后，补偿页面顶部横幅被遮挡 */
  .hd-page-header { padding-top: 120px !important; }
  .footer-columns { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-title { font-size: 28px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .models-grid { grid-template-columns: 1fr; }
}

/* ===== 滚动到顶部按钮 ===== */
#scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--tl-gradient);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--tl-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 999;
}

#scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#scroll-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(99, 102, 241, 0.4);
}

#scroll-to-top:active {
  transform: translateY(0);
}

@media (max-width: 768px) {
  #scroll-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}

/* ===== 智能亮度适配：暗色模式对比度增强 ===== */
/* 当用户设备处于暗色模式时，智能增强页面可见性和对比度 */
@media (prefers-color-scheme: dark) {
  /* 强制亮色渲染，阻止浏览器自动反色 */
  :root {
    color-scheme: light;
  }

  /* 页面主体：纯白背景 + 高对比边界 */
  body {
    background: #ffffff !important;
    color: #0f172a;
  }

  /* 头部导航：强化白色背景与暗色浏览器chrome的分隔 */
  #theme-header,
  .main-nav {
    background: #ffffff !important;
    border-bottom: 1px solid #cbd5e1;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  }

  /* 所有卡片/区块：增强边框和阴影，在暗色环境中突出内容 */
  .card,
  .feature-card,
  .model-card,
  .pricing-card,
  .service-card,
  [class*="card"] {
    background: #ffffff !important;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  }

  /* 文本增强：确保在暗色环境下的可读性 */
  h1, h2, h3, h4, h5, h6 {
    color: #0f172a !important;
  }

  p, li, span, a, td, th, label {
    color: inherit;
  }

  /* 区块背景：保持明亮 */
  section,
  .section,
  .hero-section,
  main,
  .container {
    background: inherit;
  }

  .hero-section {
    background: linear-gradient(135deg, #eef2ff 0%, #e0f2fe 100%) !important;
  }

  /* 页脚：保持深色但增强文字对比 */
  footer,
  .site-footer,
  #theme-footer {
    background: #0f172a !important;
    color: #e2e8f0;
  }

  footer a,
  .site-footer a,
  #theme-footer a {
    color: #93c5fd;
  }

  /* 按钮增强可见性 */
  .btn-register,
  .btn-primary {
    box-shadow: 0 2px 8px rgba(99,102,241,0.4);
  }

  /* 输入框/表单：白色背景高对比 */
  input, textarea, select {
    background: #ffffff !important;
    color: #0f172a !important;
    border-color: #cbd5e1 !important;
  }

  /* 代码块/预格式化：保持深色背景但增强边框 */
  pre, code {
    background: #1e293b !important;
    color: #e2e8f0 !important;
    border: 1px solid #334155;
  }

  /* 表格增强 */
  table {
    background: #ffffff !important;
  }

  th {
    background: #f1f5f9 !important;
    color: #0f172a !important;
  }

  /* 移动端暗色模式额外增强 */
  @media (max-width: 768px) {
    #theme-header {
      box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    }

    [data-menu-location="header"] {
      background: #ffffff !important;
      box-shadow: 0 12px 40px rgba(0,0,0,0.25);
      border-bottom: 2px solid #94a3b8;
    }

    .nav-menu .nav-link {
      color: #0f172a !important;
      font-weight: 700;
    }

    .nav-menu .nav-link span {
      color: #0f172a !important;
    }
  }
}