:root {
  --primary: #0891b2;
  --accent: #0ea5e9;
  --bg: #ecfeff;
  --text: #083344;
  --text-light: #155e75;
  --white: #ffffff;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-soft: 0 10px 40px rgba(8, 145, 178, 0.08);
  --shadow-hover: 0 16px 50px rgba(8, 145, 178, 0.15);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans SC', 'Inter', sans-serif;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  font-weight: 700;
}

/* 滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s linear;
  border-radius: 0 4px 4px 0;
}

/* 点阵背景 */
.dot-grid-bg {
  background-image: radial-gradient(rgba(8, 145, 178, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* 导航 */
.navbar-custom {
  background: rgba(236, 254, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(8, 145, 178, 0.1);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand-custom {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text) !important;
  letter-spacing: 0.5px;
}

.navbar-brand-custom i {
  color: var(--primary);
  margin-right: 6px;
}

.nav-link-custom {
  color: var(--text-light) !important;
  font-weight: 500;
  margin: 0 12px;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link-custom::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.3s ease;
}

.nav-link-custom:hover::after,
.nav-link-custom.active::after {
  width: 70%;
}

.nav-link-custom:hover {
  color: var(--primary) !important;
}

/* Hero */
.hero-section {
  position: relative;
  padding: 100px 0 90px;
  background: linear-gradient(135deg, #ecfeff 0%, #cffafe 50%, #e0f2fe 100%);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.12), transparent 60%);
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-title .highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-btn {
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  margin: 0 8px;
}

.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  box-shadow: 0 8px 30px rgba(8, 145, 178, 0.3);
}

.btn-primary-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(8, 145, 178, 0.4);
  color: white;
}

.btn-outline-custom {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-custom:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

/* 特色卡片 */
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  box-shadow: var(--shadow-soft);
  transition: all 0.4s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(8, 145, 178, 0.08);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 70px;
  height: 70px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.1), rgba(14, 165, 233, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon i {
  font-size: 28px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 14px;
  color: var(--text);
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* 对比表格 */
.comparison-section {
  padding: 80px 0;
  background: var(--white);
  border-radius: 40px 40px 0 0;
  margin-top: -30px;
  position: relative;
  z-index: 2;
}

.section-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 40px;
}

.table-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(8, 145, 178, 0.1);
}

.comparison-table {
  width: 100%;
  background: var(--white);
  border-collapse: separate;
  border-spacing: 0;
}

.comparison-table th {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 18px 24px;
  font-weight: 600;
  text-align: center;
  font-size: 1.05rem;
}

.comparison-table td {
  padding: 20px 24px;
  text-align: center;
  border-bottom: 1px solid rgba(8, 145, 178, 0.08);
  color: var(--text);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr {
  transition: background 0.3s ease;
}

.comparison-table tbody tr:hover {
  background: rgba(8, 145, 178, 0.04);
}

.comparison-table .highlight-col {
  background: rgba(8, 145, 178, 0.06);
  font-weight: 600;
  color: var(--primary);
}

.comparison-table .check-icon {
  color: var(--primary);
  font-size: 1.1rem;
}

.comparison-table .times-icon {
  color: #94a3b8;
  font-size: 1.1rem;
}

/* 长文介绍 */
.long-article {
  padding: 80px 0;
  background: var(--bg);
}

.article-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.article-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.numbered-list {
  counter-reset: number-item;
  list-style: none;
  padding: 0;
  margin: 0;
}

.numbered-list li {
  counter-increment: number-item;
  padding: 16px 0 16px 60px;
  position: relative;
  margin-bottom: 8px;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.8;
}

.numbered-list li::before {
  content: counter(number-item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px rgba(8, 145, 178, 0.3);
}

/* FAQ */
.faq-section {
  padding: 80px 0;
  background: var(--white);
}

.accordion-custom {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item-custom {
  background: var(--bg);
  border: none;
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.accordion-button-custom {
  background: var(--bg);
  padding: 24px 30px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  border: none;
  border-radius: var(--radius-md) !important;
  text-align: left;
  width: 100%;
  position: relative;
  transition: all 0.3s ease;
}

.accordion-button-custom:hover {
  background: #dff7ff;
}

.accordion-button-custom i {
  position: absolute;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  transition: transform 0.3s ease;
}

.accordion-button-custom.active i {
  transform: translateY(-50%) rotate(180deg);
}

.accordion-body-custom {
  padding: 0 30px 24px;
  color: var(--text-light);
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #083344, #0e7490);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.2), transparent 60%);
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: white;
  margin-bottom: 16px;
}

.cta-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btn {
  background: white;
  color: var(--primary);
  padding: 16px 48px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
  color: var(--accent);
}

/* 友情链接 */
.friend-links {
  padding: 40px 0;
  background: var(--bg);
}

.friend-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  position: relative;
  padding-left: 16px;
}

.friend-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 20px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.friend-link-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.friend-link-items a {
  color: var(--text-light);
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(8, 145, 178, 0.15);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.friend-link-items a:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* 页脚 */
.footer {
  background: #083344;
  color: rgba(255, 255, 255, 0.8);
  padding: 50px 0 30px;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 900;
  color: white;
  font-family: 'Noto Serif SC', serif;
  margin-bottom: 16px;
}

.footer-brand i {
  color: #38bdf8;
  margin-right: 6px;
}

.footer-text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #38bdf8;
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.15);
  margin: 20px 0;
}

.footer-copyright {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* 滚动淡入动画 */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 海报 hover 效果 */
.poster-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 2/3;
  background: linear-gradient(135deg, #0e7490, #155e75);
}

.poster-wrap .poster-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.5);
}

.poster-wrap .play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 51, 68, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  cursor: pointer;
}

.poster-wrap:hover .play-overlay {
  opacity: 1;
}

.poster-wrap .play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  transform: scale(0.8);
  transition: transform 0.4s ease;
}

.poster-wrap:hover .play-btn {
  transform: scale(1);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-btn {
    display: block;
    width: 100%;
    margin: 10px 0;
  }
  
  .article-content {
    padding: 30px 20px;
  }
  
  .comparison-table {
    font-size: 0.85rem;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 12px 8px;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .navbar-brand-custom {
    font-size: 1.3rem;
  }
}

/* --- 子页面追加 --- */
/* 本页专属样式 */
    .about-hero {
      padding: 120px 0 60px;
      background: linear-gradient(180deg, var(--bg) 0%, rgba(236, 254, 255, 0.5) 100%);
    }
.about-hero h1 {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 1.2rem;
      line-height: 1.3;
    }
.about-hero h1 .highlight {
      color: var(--primary);
      position: relative;
    }
.about-hero p {
      color: var(--text-light);
      font-size: 1.1rem;
      max-width: 600px;
      margin: 0 auto 2rem;
    }
.about-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--white);
      border: 1px solid rgba(8, 145, 178, 0.15);
      border-radius: 50px;
      padding: 8px 20px;
      color: var(--primary);
      font-weight: 600;
      font-size: 0.9rem;
      margin-bottom: 1.5rem;
      box-shadow: var(--shadow-soft);
    }
.about-section {
      padding: 70px 0;
    }
.about-section:nth-child(even) {
      background: rgba(255, 255, 255, 0.6);
    }
.about-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 40px 35px;
      box-shadow: var(--shadow-soft);
      height: 100%;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid rgba(8, 145, 178, 0.08);
    }
.about-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
.about-card-icon {
      width: 64px;
      height: 64px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      margin-bottom: 1.5rem;
      background: rgba(8, 145, 178, 0.1);
      color: var(--primary);
    }
.about-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 1rem;
    }
.about-card p {
      color: var(--text-light);
      font-size: 0.95rem;
      line-height: 1.8;
      margin-bottom: 0;
    }
.milestone-list {
      list-style: none;
      padding: 0;
      margin: 0;
      counter-reset: milestone;
    }
.milestone-list li {
      counter-increment: milestone;
      position: relative;
      padding: 20px 20px 20px 60px;
      background: var(--white);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      box-shadow: var(--shadow-soft);
      border-left: 3px solid var(--primary);
    }
.milestone-list li::before {
      content: counter(milestone);
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }
.milestone-list h4 {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 6px;
    }
.milestone-list p {
      color: var(--text-light);
      font-size: 0.9rem;
      margin: 0;
      line-height: 1.7;
    }
.stat-box {
      text-align: center;
      padding: 30px 20px;
      background: var(--white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }
.stat-box .stat-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
      display: block;
      margin-bottom: 5px;
    }
.stat-box .stat-label {
      color: var(--text-light);
      font-size: 0.95rem;
      font-weight: 500;
    }
.value-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }
.value-item {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 25px;
      box-shadow: var(--shadow-soft);
      border-top: 3px solid var(--primary);
    }
.value-item h4 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
.value-item h4 i {
      color: var(--primary);
      font-size: 1.1rem;
    }
.value-item p {
      color: var(--text-light);
      font-size: 0.9rem;
      margin: 0;
      line-height: 1.7;
    }
.timeline {
      position: relative;
      padding-left: 30px;
    }
.timeline::before {
      content: '';
      position: absolute;
      left: 8px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: rgba(8, 145, 178, 0.2);
    }
.timeline-item {
      position: relative;
      margin-bottom: 30px;
    }
.timeline-item::before {
      content: '';
      position: absolute;
      left: -27px;
      top: 6px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid var(--white);
      box-shadow: 0 0 0 2px rgba(8, 145, 178, 0.3);
    }
.timeline-item .year {
      font-weight: 700;
      color: var(--primary);
      font-size: 1rem;
      margin-bottom: 6px;
      display: block;
    }
.timeline-item h5 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }
.timeline-item p {
      color: var(--text-light);
      font-size: 0.9rem;
      line-height: 1.7;
      margin: 0;
    }

/* --- 子页面追加 --- */
.disclaimer-hero {
      background: linear-gradient(135deg, rgba(8, 145, 178, 0.08) 0%, rgba(14, 165, 233, 0.05) 100%);
      border-bottom: 1px solid rgba(8, 145, 178, 0.1);
      padding: 4rem 0 3rem;
    }
.disclaimer-section {
      background: var(--white);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      padding: 2.5rem 2rem;
      margin-bottom: 2rem;
      transition: box-shadow 0.3s ease;
    }
.disclaimer-section:hover {
      box-shadow: var(--shadow-hover);
    }
.disclaimer-section h2 {
      color: var(--primary);
      font-weight: 700;
      font-size: 1.6rem;
      margin-bottom: 1.5rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
.disclaimer-section h2 i {
      color: var(--accent);
      font-size: 1.3rem;
    }
.disclaimer-section p {
      color: var(--text-light);
      line-height: 1.8;
      margin-bottom: 1rem;
      font-size: 0.95rem;
    }
.disclaimer-section ul {
      color: var(--text-light);
      padding-left: 1.5rem;
      margin-bottom: 1rem;
    }
.disclaimer-section ul li {
      margin-bottom: 0.6rem;
      line-height: 1.7;
      font-size: 0.95rem;
    }
.disclaimer-section strong {
      color: var(--text);
      font-weight: 600;
    }
.update-badge {
      display: inline-block;
      background: var(--bg);
      color: var(--primary);
      padding: 0.4rem 1.2rem;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 500;
      margin-bottom: 1.5rem;
      border: 1px solid rgba(8, 145, 178, 0.2);
    }
.highlight-box {
      background: var(--bg);
      border-left: 4px solid var(--primary);
      padding: 1.2rem 1.5rem;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      margin: 1.5rem 0;
    }
.highlight-box p {
      margin-bottom: 0;
      color: var(--text);
      font-weight: 500;
    }
.disclaimer-section {
        padding: 1.8rem 1.2rem;
      }
.disclaimer-section h2 {
        font-size: 1.3rem;
      }

/* --- 子页面追加 --- */
/* 覆盖 Bootstrap 组件默认白底黑字 —— 确保与本站深青配色一致 */
    .card, .card-body, .card-header, .card-footer {
      background: var(--bg);
      color: var(--text);
      border-color: rgba(8, 145, 178, 0.15);
    }
.card-title, .card-text { color: var(--text); }
.form-control, .form-select {
      background: rgba(255, 255, 255, 0.7);
      color: var(--text);
      border-color: rgba(8, 145, 178, 0.3);
    }
.form-control::placeholder { color: var(--text-light); opacity: 0.7; }
.list-group-item {
      background: var(--bg);
      color: var(--text);
      border-color: rgba(8, 145, 178, 0.15);
    }
.accordion-item, .accordion-button {
      background: var(--bg);
      color: var(--text);
      border-color: rgba(8, 145, 178, 0.15);
    }
.accordion-button:not(.collapsed) {
      background: rgba(8, 145, 178, 0.1);
      color: var(--primary);
    }
.nav-link-custom.active {
      color: var(--primary) !important;
      font-weight: 600;
    }
/* 小卡片微调 */
    .privacy-card {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      box-shadow: var(--shadow-soft);
      height: 100%;
      transition: box-shadow 0.2s;
      border: 1px solid rgba(8, 145, 178, 0.1);
    }
.privacy-card:hover {
      box-shadow: var(--shadow-hover);
    }
.icon-badge {
      width: 48px;
      height: 48px;
      background: rgba(8, 145, 178, 0.12);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--primary);
      margin-bottom: 1rem;
    }
.article-content h2 {
      font-weight: 700;
      color: var(--text);
      margin-top: 2.2rem;
      margin-bottom: 1rem;
      font-size: 1.6rem;
      border-left: 4px solid var(--primary);
      padding-left: 1rem;
    }
.article-content h3 {
      font-weight: 600;
      color: var(--primary);
      margin-top: 1.8rem;
      margin-bottom: 0.8rem;
      font-size: 1.2rem;
    }
.article-content p, .article-content li {
      color: var(--text-light);
      line-height: 1.8;
    }
.article-content strong {
      color: var(--text);
    }
.article-content ul, .article-content ol {
      padding-left: 1.5rem;
    }
.article-content li {
      margin-bottom: 0.5rem;
    }

/* --- 子页面追加 --- */
.sitemap-section { padding: 80px 0 60px; }
.sitemap-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px; margin-bottom: 28px; box-shadow: var(--shadow-soft); border: 1px solid rgba(8,145,178,.08); transition: transform .3s ease, box-shadow .3s ease; }
.sitemap-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.sitemap-card h3 { color: var(--primary); font-size: 1.4rem; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.sitemap-card h3 i { color: var(--accent); font-size: 1.2rem; }
.sitemap-card p { color: var(--text-light); font-size: .95rem; line-height: 1.7; margin-bottom: 14px; }
.sitemap-list { list-style: none; padding: 0; margin: 0; }
.sitemap-list li { margin-bottom: 10px; }
.sitemap-list a { color: var(--text); text-decoration: none; font-weight: 500; font-size: .95rem; display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 8px; background: rgba(8,145,178,.06); transition: all .3s ease; }
.sitemap-list a:hover { background: rgba(8,145,178,.12); color: var(--primary); transform: translateX(4px); }
.sitemap-list a i { color: var(--accent); font-size: .85rem; }
.sitemap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin-top: 20px; }
.sitemap-note { background: rgba(8,145,178,.05); border-left: 4px solid var(--primary); padding: 16px 20px; border-radius: 0 12px 12px 0; margin-top: 32px; }
.sitemap-note p { color: var(--text-light); font-size: .9rem; margin: 0; line-height: 1.7; }
.breadcrumb-area { background: linear-gradient(135deg, rgba(8,145,178,.08), rgba(14,165,233,.05)); padding: 40px 0 20px; }
.breadcrumb-area .breadcrumb { margin: 0; }
.breadcrumb-area .breadcrumb-item a { color: var(--primary); text-decoration: none; }
.breadcrumb-area .breadcrumb-item.active { color: var(--text-light); }