:root {
  --primary: #38bdf8;
  --accent: #a78bfa;
  --bg: #0f172a;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --card-bg: #1e293b;
  --border-color: #334155;
  --radius: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
}
/* 导航栏 */
.navbar-custom {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  padding: 16px 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
}
.navbar-custom .container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.brand-logo i {
  color: var(--primary);
  font-size: 1.8rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links li a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}
.nav-links li a:hover {
  color: var(--primary);
}
.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}
.nav-links li a:hover::after {
  width: 100%;
}
.menu-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
}
/* Hero */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  overflow: hidden;
}
.hero-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 8s infinite alternate ease-in-out;
}
.shape-1 {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: -100px;
  left: -100px;
}
.shape-2 {
  width: 300px;
  height: 300px;
  background: var(--accent);
  bottom: -50px;
  right: -50px;
  animation-delay: 2s;
}
@keyframes float {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(30px) scale(1.05); }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero-badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--primary);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  background: linear-gradient(120deg, var(--text) 0%, var(--primary) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 40px;
  font-weight: 300;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-hero {
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary-hero {
  background: var(--primary);
  color: #0f172a;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.4);
}
.btn-primary-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.5);
}
.btn-outline-hero {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--text-muted);
}
.btn-outline-hero:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 1.4rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-12px); }
  60% { transform: translateY(-6px); }
}
/* 数据统计 */
.stats-section {
  padding: 80px 0;
  background: var(--bg);
  position: relative;
}
.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-item {
  padding: 32px 16px;
  border-radius: var(--radius);
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: var(--transition);
}
.stat-item:hover {
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-4px);
}
.stat-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}
/* 使用说明 - 步骤条 */
.steps-section {
  padding: 100px 0;
  background: var(--bg);
  position: relative;
}
.section-label {
  display: inline-block;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 60px;
  font-weight: 300;
}
.steps-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}
.steps-container::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: calc(100% - 80px);
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  opacity: 0.3;
}
.step-item {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 64px;
  position: relative;
}
.step-item:last-child {
  margin-bottom: 0;
}
.step-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 2px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary);
  flex-shrink: 0;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.1);
  z-index: 1;
  background: var(--bg);
}
.step-content {
  flex: 1;
  padding-top: 8px;
}
.step-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.step-content p {
  color: var(--text-muted);
  font-weight: 300;
  font-size: 0.98rem;
}
.step-num {
  position: absolute;
  top: 0;
  left: -16px;
  font-size: 4rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(56, 189, 248, 0.15);
  line-height: 1;
  z-index: 0;
}
/* 特色 - 卡片网格 */
.features-section {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.3);
  position: relative;
  overflow: hidden;
}
.features-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.15), transparent 70%);
  border-radius: 50%;
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 24px;
}
.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
}
/* FAQ */
.faq-section {
  padding: 100px 0;
  background: var(--bg);
}
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}
.faq-item {
  background: rgba(30, 41, 59, 0.4);
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(56, 189, 248, 0.2);
}
.faq-question {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
  user-select: none;
}
.faq-question i {
  color: var(--primary);
  transition: var(--transition);
  font-size: 0.9rem;
}
.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.8;
  font-size: 0.95rem;
}
.faq-item.active .faq-answer {
  padding-bottom: 22px;
  max-height: 300px;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
/* CTA */
.cta-section {
  padding: 120px 0;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.05), rgba(167, 139, 250, 0.05));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.1), transparent 70%);
}
.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.2;
}
.cta-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
  font-weight: 300;
}
.cta-btn {
  padding: 16px 48px;
  border-radius: 50px;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #0f172a;
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 30px rgba(56, 189, 248, 0.3);
}
.cta-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 40px rgba(56, 189, 248, 0.5);
}
/* 友情链接 */
.friends-section {
  padding: 60px 0;
  background: rgba(30, 41, 59, 0.3);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}
.friends-title {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 600;
}
.friends-links {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
/* 页脚 */
.footer-section {
  background: var(--bg);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(148, 163, 184, 0.06);
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand i {
  color: var(--primary);
}
.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
  font-weight: 300;
}
.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  padding-top: 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 300;
}
.footer-bottom a {
  color: var(--text-muted);
}
.footer-bottom a:hover {
  color: var(--primary);
}
/* 图片占位 */
.img-placeholder {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(167, 139, 250, 0.1));
  border-radius: var(--radius);
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
/* 响应式 */
@media (max-width: 992px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  }
  .nav-links.open {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .stats-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .stats-container {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
  .step-item {
    flex-direction: column;
    gap: 16px;
  }
  .steps-container::before {
    display: none;
  }
  .step-num {
    display: none;
  }
  .hero-title {
    font-size: 2.6rem;
  }
  .btn-hero {
    width: 100%;
  }
}

/* --- 子页面追加 --- */
/* 确保 Bootstrap 组件不出现白底黑字 */
    .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
    .form-control, .form-select, .list-group-item, .accordion-item, .accordion-button,
    .modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item,
    .nav-link, .navbar, .btn-light, .btn-outline-light {
      background: var(--card-bg);
      color: var(--text);
      border-color: var(--border-color);
    }
.form-control::placeholder { color: rgba(255,255,255,.45); }
.accordion-button:not(.collapsed) { background: var(--card-bg); color: var(--primary); }
position: relative;
      padding: 120px 0 80px;
      background: linear-gradient(135deg, rgba(15,23,42,.85), rgba(30,41,59,.9)), url(' {随机图片}
.about-hero h1 {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }
.about-hero h1 span { color: var(--primary); }
.about-hero p.lead {
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
      font-size: 1.15rem;
      line-height: 1.8;
    }
.about-section {
      padding: 70px 0;
      border-bottom: 1px solid rgba(51,65,85,.5);
    }
.about-section:last-child { border-bottom: none; }
.about-inner {
      max-width: 900px;
      margin: 0 auto;
    }
.about-label {
      display: inline-block;
      background: rgba(56,189,248,.12);
      color: var(--primary);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: .85rem;
      font-weight: 600;
      letter-spacing: .03em;
      margin-bottom: 16px;
      border: 1px solid rgba(56,189,248,.25);
    }
.about-inner h2 {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 20px;
      line-height: 1.35;
    }
.about-inner h2 i { color: var(--accent); margin-right: 10px; }
.about-inner p {
      color: var(--text-muted);
      line-height: 1.9;
      font-size: 1.02rem;
      margin-bottom: 18px;
    }
.about-inner p strong { color: var(--text); font-weight: 600; }
.feature-grid-about {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 24px;
      margin-top: 30px;
    }
.feature-item-about {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px 22px;
      transition: var(--transition);
    }
.feature-item-about:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }
.feature-item-about i {
      font-size: 1.8rem;
      color: var(--primary);
      margin-bottom: 14px;
      display: block;
    }
.feature-item-about h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 10px;
    }
.feature-item-about p {
      font-size: .92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 0;
    }
.timeline-about {
      position: relative;
      padding-left: 30px;
      margin-top: 25px;
    }
.timeline-about::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), var(--accent));
    }
.timeline-item {
      position: relative;
      margin-bottom: 28px;
    }
.timeline-item::before {
      content: '';
      position: absolute;
      left: -25px;
      top: 6px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid var(--bg);
    }
.timeline-item .year {
      font-size: .85rem;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: .05em;
      margin-bottom: 6px;
    }
.timeline-item h4 {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }
.timeline-item p {
      font-size: .95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 0;
    }
.value-list {
      list-style: none;
      padding: 0;
      margin: 20px 0 0;
    }
.value-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(51,65,85,.4);
    }
.value-list li:last-child { border-bottom: none; }
.value-list i {
      color: var(--primary);
      font-size: 1.2rem;
      margin-top: 3px;
      flex-shrink: 0;
    }
.value-list strong {
      color: var(--text);
      font-weight: 600;
      display: block;
      margin-bottom: 4px;
      font-size: 1.05rem;
    }
.value-list span {
      color: var(--text-muted);
      font-size: .95rem;
      line-height: 1.6;
    }
.about-hero { padding: 90px 0 60px; }
.about-hero h1 { font-size: 2rem; }
.about-section { padding: 50px 0; }
.about-inner h2 { font-size: 1.4rem; }

/* --- 子页面追加 --- */
/* 免责声明页专属样式 */
        .disclaimer-hero {
            padding: 100px 0 60px;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(167, 139, 250, 0.1));
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
.disclaimer-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(167, 139, 250, 0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
.disclaimer-container {
            max-width: 900px;
            margin: 0 auto;
            padding: 60px 20px;
            position: relative;
            z-index: 1;
        }
.disclaimer-hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.3;
            text-align: center;
        }
.disclaimer-hero-title span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
.disclaimer-hero-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }
.disclaimer-section {
            margin-bottom: 50px;
            padding: 35px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            transition: var(--transition);
        }
.disclaimer-section:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
.disclaimer-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            padding-bottom: 15px;
            border-bottom: 2px solid var(--border-color);
        }
.disclaimer-section h2 i {
            color: var(--primary);
            margin-right: 12px;
        }
.disclaimer-section p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            padding-left: 20px;
            margin-bottom: 15px;
        }
.disclaimer-section ul li {
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 8px;
            position: relative;
            padding-left: 5px;
        }
.disclaimer-section ul li::before {
            content: '▸';
            color: var(--primary);
            position: absolute;
            left: -15px;
            font-weight: bold;
        }
.highlight-box {
            background: rgba(56, 189, 248, 0.08);
            border-left: 4px solid var(--primary);
            padding: 20px 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 25px 0;
        }
.highlight-box p {
            margin-bottom: 0;
            color: var(--text);
            font-size: 1rem;
        }
.highlight-box i {
            color: var(--primary);
            margin-right: 8px;
        }
.update-date {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 20px;
            background: rgba(167, 139, 250, 0.1);
            border: 1px solid var(--accent);
            border-radius: 20px;
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 500;
            margin-top: 20px;
        }
.disclaimer-hero-title {
                font-size: 2rem;
            }
.disclaimer-container {
                padding: 40px 15px;
            }
.disclaimer-section {
                padding: 25px 20px;
            }

/* --- 子页面追加 --- */
/* 本页专属样式（少量补充） */
        .guide-hero {
            padding: 100px 0 60px;
            position: relative;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.08) 0%, rgba(167, 139, 250, 0.08) 100%);
        }
.guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 28px;
            margin-bottom: 24px;
            transition: var(--transition);
            height: 100%;
        }
.guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }
.guide-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(167, 139, 250, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 16px;
        }
.guide-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
.guide-text {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }
.guide-list {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
.guide-list li {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            padding-left: 20px;
            position: relative;
            margin-bottom: 6px;
        }
.guide-list li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 700;
        }
.step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            margin-right: 10px;
            flex-shrink: 0;
        }
.tip-box {
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(167, 139, 250, 0.1));
            border-left: 3px solid var(--primary);
            border-radius: 0 var(--radius) var(--radius) 0;
            padding: 16px 20px;
            margin: 20px 0;
        }
.tip-box p {
            color: var(--text);
            font-size: 14px;
            margin-bottom: 0;
            line-height: 1.7;
        }
.tip-box strong {
            color: var(--primary);
        }
.guide-cta {
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.12), rgba(167, 139, 250, 0.12));
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 40px;
            text-align: center;
            margin: 40px 0;
        }
.guide-cta h3 {
            color: var(--text);
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 12px;
        }
.guide-cta p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 24px;
        }
.btn-guide {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            transition: var(--transition);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border: none;
        }
.btn-guide:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(56, 189, 248, 0.3);
            color: #fff;
        }
.guide-section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }
.guide-section-subtitle {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 32px;
        }
.accordion-guide {
            margin-top: 20px;
        }
.accordion-item-guide {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
        }
.accordion-header-guide {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--transition);
        }
.accordion-header-guide:hover {
            background: rgba(56, 189, 248, 0.05);
        }
.accordion-header-guide span {
            color: var(--text);
            font-weight: 600;
            font-size: 15px;
        }
.accordion-header-guide i {
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.3s ease;
        }
.accordion-header-guide.active i {
            transform: rotate(180deg);
        }
.accordion-body-guide {
            padding: 0 24px 18px;
            display: none;
        }
.accordion-body-guide p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

/* --- 子页面追加 --- */
/* 排行榜页面专属样式 */
        .ranking-hero {
            padding: 100px 0 60px;
            position: relative;
            overflow: hidden;
        }
.ranking-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: -200px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(167, 139, 250, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
.ranking-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }
.ranking-hero .container-custom {
            position: relative;
            z-index: 1;
        }
.ranking-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.2;
        }
.ranking-hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }
.ranking-hero p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin-bottom: 0;
        }
.ranking-section {
            padding: 60px 0;
        }
.ranking-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 40px;
            justify-content: center;
        }
.ranking-tab {
            padding: 10px 24px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
.ranking-tab:hover {
            border-color: var(--primary);
            color: var(--text);
            transform: translateY(-2px);
        }
.ranking-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
.ranking-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 20px;
            margin-bottom: 20px;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
.ranking-item:hover {
            transform: translateY(-4px);
            border-color: rgba(56, 189, 248, 0.4);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
        }
.ranking-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--border-color);
            min-width: 60px;
            text-align: center;
            line-height: 1;
        }
.ranking-number.top-1 {
            color: #ffd700;
            text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
        }
.ranking-number.top-2 {
            color: #c0c0c0;
        }
.ranking-number.top-3 {
            color: #cd7f32;
        }
.ranking-cover {
            width: 90px;
            height: 120px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: rgba(0, 0, 0, 0.3);
            position: relative;
        }
.ranking-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
.ranking-info {
            flex: 1;
        }
.ranking-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            transition: var(--transition);
        }
.ranking-info h3:hover {
            color: var(--primary);
        }
.ranking-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 8px;
        }
.ranking-tag {
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            background: rgba(56, 189, 248, 0.1);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.2);
        }
.ranking-tag.violet {
            background: rgba(167, 139, 250, 0.1);
            color: var(--accent);
            border-color: rgba(167, 139, 250, 0.2);
        }
.ranking-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
.ranking-stats {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
            min-width: 80px;
        }
.ranking-heat {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
.ranking-score {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
.ranking-trend {
            font-size: 0.8rem;
            color: #10b981;
        }
.ranking-trend.down {
            color: #ef4444;
        }
.ranking-trend i {
            margin-right: 4px;
        }
.ranking-actions {
            display: flex;
            gap: 10px;
        }
.btn-read {
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            border: none;
            transition: var(--transition);
            text-decoration: none;
        }
.btn-read:hover {
            background: #0ea5e9;
            transform: translateY(-2px);
            color: #fff;
        }
.btn-detail {
            padding: 8px 20px;
            border-radius: 50px;
            background: transparent;
            color: var(--text);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-decoration: none;
        }
.btn-detail:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
.ranking-note {
            background: rgba(56, 189, 248, 0.05);
            border: 1px solid rgba(56, 189, 248, 0.1);
            border-radius: var(--radius);
            padding: 20px;
            margin-top: 40px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
.ranking-note i {
            color: var(--primary);
            font-size: 1.4rem;
            margin-top: 4px;
        }
.ranking-note p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.7;
        }
.ranking-hero h1 {
                font-size: 2rem;
            }
.ranking-item {
                flex-wrap: wrap;
                gap: 16px;
                padding: 16px;
            }
.ranking-number {
                font-size: 1.6rem;
                min-width: 40px;
            }
.ranking-cover {
                width: 70px;
                height: 100px;
            }
.ranking-stats {
                flex-direction: row;
                align-items: center;
                width: 100%;
                justify-content: space-between;
                margin-top: 8px;
            }
.ranking-actions {
                width: 100%;
                margin-top: 8px;
            }
.btn-read, .btn-detail {
                flex: 1;
                text-align: center;
            }

/* --- 子页面追加 --- */
.privacy-section {
            padding: 80px 0;
            background: var(--bg);
        }
.privacy-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 24px;
        }
.privacy-header {
            text-align: center;
            margin-bottom: 60px;
        }
.privacy-header h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.2;
        }
.privacy-header h1 span {
            color: var(--primary);
        }
.privacy-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }
.privacy-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
.privacy-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }
.privacy-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.privacy-card h2 i {
            font-size: 1.4rem;
            color: var(--accent);
        }
.privacy-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 12px;
        }
.privacy-card p {
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 1rem;
            margin-bottom: 16px;
        }
.privacy-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
.privacy-card ul li {
            color: var(--text-muted);
            line-height: 1.8;
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
        }
.privacy-card ul li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 600;
        }
.privacy-card .highlight-box {
            background: rgba(56, 189, 248, 0.08);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
.privacy-card .highlight-box p {
            margin-bottom: 0;
            color: var(--text);
        }
.last-updated {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
.privacy-section {
                padding: 60px 0;
            }
.privacy-header h1 {
                font-size: 2rem;
            }
.privacy-card {
                padding: 24px;
            }
.privacy-card h2 {
                font-size: 1.3rem;
            }