:root {
    --primary: #eab308;
    --accent: #f59e0b;
    --bg-dark: #18181b;
    --text-light: #fafafa;
    --radius-lg: 24px;
    --radius-md: 20px;
    --radius-sm: 16px;
    --shadow-soft: 0 8px 30px rgba(234, 179, 8, 0.12), 0 2px 8px rgba(0,0,0,0.4);
    --shadow-hover: 0 12px 40px rgba(234, 179, 8, 0.22), 0 4px 12px rgba(0,0,0,0.5);
  }

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

  body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    overflow-x: hidden;
  }

  /* 几何装饰背景 */
  .geo-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
  }

  .geo-shape {
    position: absolute;
    opacity: 0.07;
    filter: blur(1px);
  }

  .geo-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--primary);
    top: 15%;
    right: -80px;
  }

  .geo-square {
    width: 180px;
    height: 180px;
    background: var(--accent);
    bottom: 25%;
    left: -40px;
    border-radius: 24px;
    transform: rotate(15deg);
  }

  .geo-triangle {
    width: 0;
    height: 0;
    border-left: 90px solid transparent;
    border-right: 90px solid transparent;
    border-bottom: 160px solid var(--primary);
    top: 55%;
    right: 18%;
    transform: rotate(-20deg);
  }

  .geo-small-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--accent);
    top: 8%;
    left: 12%;
  }

  .geo-small-square {
    width: 60px;
    height: 60px;
    background: var(--primary);
    bottom: 12%;
    right: 28%;
    border-radius: 12px;
    transform: rotate(35deg);
  }

  /* 导航栏 */
  .navbar-custom {
    background: rgba(24, 24, 27, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(234, 179, 8, 0.15);
    padding: 14px 0;
    position: relative;
    z-index: 100;
    transition: background 0.3s ease;
  }

  .navbar-brand {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary) !important;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .navbar-brand i {
    font-size: 1.6rem;
    color: var(--accent);
  }

  .nav-link-custom {
    color: var(--text-light) !important;
    font-weight: 500;
    margin: 0 12px;
    padding: 8px 4px !important;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
  }

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

  .navbar-toggler {
    border: 1px solid rgba(234, 179, 8, 0.4);
    color: var(--primary);
  }

  .navbar-toggler:focus {
    box-shadow: none;
  }

  /* Hero 区域 */
  .hero-section {
    min-height: 92vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 0 60px;
    z-index: 1;
    background: linear-gradient(135deg, rgba(24,24,27,0.9) 0%, rgba(24,24,27,0.7) 50%, rgba(24,24,27,0.9) 100%);
  }

  .hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
  }

  .hero-badge {
    display: inline-block;
    background: rgba(234, 179, 8, 0.12);
    color: var(--primary);
    border: 1px solid rgba(234, 179, 8, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 24px;
    text-transform: uppercase;
  }

  .hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text-light);
    letter-spacing: -0.02em;
  }

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

  .hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(234, 179, 8, 0.25);
    border-radius: 4px;
    z-index: -1;
  }

  .hero-subtitle {
    font-size: 1.2rem;
    color: rgba(250, 250, 250, 0.75);
    margin-bottom: 36px;
    line-height: 1.7;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
  }

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

  .btn-primary-custom {
    background: var(--primary);
    color: var(--bg-dark);
    border: none;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(234, 179, 8, 0.3);
  }

  .btn-primary-custom:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
    color: var(--bg-dark);
  }

  .btn-outline-custom {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(234, 179, 8, 0.6);
    padding: 12px 34px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
  }

  .btn-outline-custom:hover {
    background: rgba(234, 179, 8, 0.1);
    border-color: var(--primary);
    color: var(--primary);
  }

  /* 时间线通用样式 */
  .timeline-section {
    position: relative;
    padding: 80px 0;
    z-index: 1;
  }

  .section-header {
    text-align: center;
    margin-bottom: 60px;
  }

  .section-tag {
    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: 2.6rem;
    font-weight: 900;
    color: var(--text-light);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
  }

  .section-desc {
    font-size: 1.05rem;
    color: rgba(250, 250, 250, 0.65);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
    line-height: 1.7;
  }

  /* 特色卡片 - 对比表格 */
  .feature-table-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
  }

  .feature-table {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(234, 179, 8, 0.1);
    box-shadow: var(--shadow-soft);
    max-width: 900px;
    margin: 0 auto;
  }

  .feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease;
  }

  .feature-row:last-child {
    border-bottom: none;
  }

  .feature-row.header {
    background: rgba(234, 179, 8, 0.08);
    font-weight: 800;
    color: var(--primary);
    font-size: 1.1rem;
    letter-spacing: 0.5px;
  }

  .feature-cell {
    padding: 22px 24px;
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .feature-cell:first-child {
    font-weight: 700;
    color: var(--primary);
  }

  .feature-row:not(.header):hover {
    background: rgba(234, 179, 8, 0.04);
  }

  .feature-badge {
    display: inline-block;
    background: rgba(234, 179, 8, 0.2);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 8px;
    vertical-align: middle;
  }

  /* 长文介绍 - 编号清单 + 时间线 */
  .story-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
  }

  .story-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
  }

  .story-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 3px;
    opacity: 0.3;
  }

  .timeline-item {
    position: relative;
    padding-left: 70px;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

  .timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .timeline-item:nth-child(2) { transition-delay: 0.2s; }
  .timeline-item:nth-child(3) { transition-delay: 0.4s; }
  .timeline-item:nth-child(4) { transition-delay: 0.6s; }

  .timeline-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.3rem;
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(234, 179, 8, 0.4);
  }

  .timeline-content {
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
  }

  .timeline-content:hover {
    border-color: rgba(234, 179, 8, 0.4);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .timeline-content h3 {
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 12px;
    font-size: 1.4rem;
  }

  .timeline-content p {
    color: rgba(250, 250, 250, 0.75);
    line-height: 1.8;
    font-size: 0.95rem;
    font-weight: 300;
  }

  /* 数据高亮 */
  .data-highlight {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--primary);
    display: inline-block;
    margin-right: 6px;
  }

  .data-label {
    font-size: 0.9rem;
    color: rgba(250, 250, 250, 0.6);
    display: block;
    margin-top: 4px;
    font-weight: 500;
  }

  /* FAQ 区域 */
  .faq-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
  }

  .faq-container {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
    transition: all 0.3s ease;
  }

  .faq-item:hover {
    border-color: rgba(234, 179, 8, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .faq-question {
    padding: 22px 28px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-light);
    transition: all 0.3s ease;
  }

  .faq-question:hover {
    color: var(--primary);
  }

  .faq-question i {
    transition: transform 0.4s ease;
    color: var(--primary);
    font-size: 0.9rem;
  }

  .faq-item.active .faq-question i {
    transform: rotate(180deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    padding: 0 28px;
    color: rgba(250, 250, 250, 0.7);
    line-height: 1.8;
    font-size: 0.95rem;
    font-weight: 300;
  }

  .faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 22px;
  }

  /* CTA 区域 */
  .cta-section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
    text-align: center;
  }

  .cta-box {
    background: linear-gradient(135deg, rgba(234, 179, 8, 0.1), rgba(245, 158, 11, 0.05));
    border: 1px solid rgba(234, 179, 8, 0.2);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-soft);
  }

  .cta-box h2 {
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: 16px;
  }

  .cta-box p {
    font-size: 1.1rem;
    color: rgba(250, 250, 250, 0.7);
    margin-bottom: 32px;
    font-weight: 300;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-email {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 14px 24px;
    color: var(--text-light);
    width: 100%;
    max-width: 380px;
    margin: 0 auto 16px;
    display: block;
    outline: none;
    transition: all 0.3s ease;
  }

  .cta-email:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.2);
  }

  .cta-email::placeholder {
    color: rgba(250, 250, 250, 0.4);
  }

  /* 友情链接 */
  .friend-links {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    z-index: 1;
    background: rgba(24, 24, 27, 0.5);
  }

  .friend-links-title {
    font-size: 1rem;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
    text-transform: uppercase;
  }

  .friend-links-content {
    color: rgba(250, 250, 250, 0.6);
    font-size: 0.9rem;
  }

  .friend-links-content a {
    color: rgba(250, 250, 250, 0.7);
    text-decoration: none;
    margin-right: 16px;
    transition: color 0.3s ease;
  }

  .friend-links-content a:hover {
    color: var(--primary);
  }

  /* 页脚 */
  .site-footer {
    background: rgba(24, 24, 27, 0.9);
    padding: 30px 0;
    border-top: 1px solid rgba(234, 179, 8, 0.1);
    position: relative;
    z-index: 1;
    text-align: center;
  }

  .footer-brand {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 12px;
    display: block;
  }

  .footer-copyright {
    color: rgba(250, 250, 250, 0.5);
    font-size: 0.85rem;
    margin-bottom: 8px;
  }

  .footer-links {
    margin-bottom: 16px;
  }

  .footer-links a {
    color: rgba(250, 250, 250, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    margin: 0 12px;
    transition: color 0.3s ease;
  }

  .footer-links a:hover {
    color: var(--primary);
  }

  /* 卡片 hover 效果 */
  .hover-card {
    transition: all 0.4s ease;
  }

  .hover-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
  }

  /* 响应式 */
  @media (max-width: 768px) {
    .hero-title {
      font-size: 2.5rem;
    }

    .section-title {
      font-size: 2rem;
    }

    .feature-row {
      grid-template-columns: 1fr;
    }

    .feature-row.header {
      display: none;
    }

    .feature-cell:first-child {
      background: rgba(234, 179, 8, 0.08);
      border-bottom: 1px solid rgba(234, 179, 8, 0.2);
    }

    .timeline-item {
      padding-left: 60px;
    }

    .timeline-number {
      width: 40px;
      height: 40px;
      font-size: 1rem;
    }

    .navbar-brand {
      font-size: 1.4rem;
    }
  }

  @media (max-width: 576px) {
    .hero-title {
      font-size: 2rem;
    }

    .hero-subtitle {
      font-size: 1rem;
    }

    .cta-box {
      padding: 40px 20px;
    }
  }

  /* 滚动渐显 */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
  .reveal-delay-5 { transition-delay: 0.5s; }

/* --- 子页面追加 --- */
/* 确保导航栏在当前页高亮 */
    .navbar-custom .nav-link-custom[href="/about.html"] {
      color: var(--primary) !important;
      font-weight: 600;
    }
/* 关于页特有的小修饰 */
    .about-cat-emoji {
      display: inline-block;
      font-size: 1.2em;
      filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    }
.about-section-card {
      background: rgba(24, 24, 27, 0.7);
      backdrop-filter: blur(4px);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      border: 1px solid rgba(234, 179, 8, 0.15);
      box-shadow: var(--shadow-soft);
      height: 100%;
      transition: transform .2s ease, box-shadow .2s ease;
    }
.about-section-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
.about-icon-circle {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(234, 179, 8, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.4rem;
      margin-bottom: 1rem;
    }
.about-stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 1rem;
      margin-top: 1.5rem;
    }
.about-stat-item {
      background: rgba(0,0,0,0.2);
      border-radius: var(--radius-sm);
      padding: 1rem;
      text-align: center;
      border-left: 3px solid var(--primary);
    }
.about-stat-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }
.about-stat-label {
      font-size: .8rem;
      text-transform: uppercase;
      letter-spacing: .5px;
      color: rgba(250,250,250,.7);
    }
/* 确保所有卡片背景深色 */
    .card, .card-body {
      background: var(--bg-dark) !important;
      color: var(--text-light) !important;
      border-color: rgba(234,179,8,.2) !important;
    }
.accordion-item, .accordion-button {
      background: var(--bg-dark) !important;
      color: var(--text-light) !important;
    }
.list-group-item {
      background-color: transparent !important;
      color: var(--text-light) !important;
    }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .disclaimer-hero {
            padding: 80px 0 40px;
            position: relative;
            background: linear-gradient(135deg, rgba(24,24,27,.95) 0%, rgba(39,39,42,.9) 100%);
            overflow: hidden;
        }
.disclaimer-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 40px 0 60px;
        }
.disclaimer-section {
            background: var(--bg-dark);
            border: 1px solid rgba(234, 179, 8, 0.15);
            border-radius: var(--radius-lg);
            padding: 35px 40px;
            margin-bottom: 25px;
            transition: box-shadow 0.3s ease;
        }
.disclaimer-section:hover {
            box-shadow: var(--shadow-soft);
        }
.disclaimer-section h2 {
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-section h2 i {
            font-size: 1.2rem;
            color: var(--accent);
        }
.disclaimer-section p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 15px;
            font-size: 0.95rem;
            opacity: 0.9;
        }
.disclaimer-section ul {
            padding-left: 20px;
            margin-bottom: 15px;
        }
.disclaimer-section li {
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 8px;
        }
.disclaimer-section strong {
            color: var(--primary);
        }
.highlight-box {
            background: rgba(234, 179, 8, 0.08);
            border-left: 4px solid var(--primary);
            padding: 15px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
        }
.highlight-box p {
            margin-bottom: 0;
            font-weight: 500;
        }
.last-updated {
            color: rgba(250, 250, 250, 0.6);
            font-size: 0.85rem;
            margin-top: 30px;
            text-align: center;
        }
.disclaimer-section {
                padding: 25px 20px;
            }
.disclaimer-hero {
                padding: 60px 0 30px;
            }

/* --- 子页面追加 --- */
/* 隐私政策页面专属样式 */
        .privacy-hero {
            padding: 80px 0 40px;
            position: relative;
            overflow: hidden;
        }
.privacy-hero .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
        }
.privacy-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(250, 250, 250, 0.8);
            max-width: 680px;
        }
.privacy-updated {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(234, 179, 8, 0.12);
            border: 1px solid rgba(234, 179, 8, 0.3);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-top: 16px;
        }
.privacy-section {
            padding: 30px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
.privacy-section:last-child {
            border-bottom: none;
        }
.privacy-section .section-tag {
            margin-bottom: 8px;
        }
.privacy-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
.privacy-section h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 24px;
            margin-bottom: 12px;
        }
.privacy-section p {
            color: rgba(250, 250, 250, 0.75);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
.privacy-section ul {
            padding-left: 20px;
            margin-bottom: 16px;
        }
.privacy-section ul li {
            color: rgba(250, 250, 250, 0.75);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 6px;
            position: relative;
        }
.privacy-section ul li::marker {
            color: var(--primary);
        }
.privacy-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 16px;
            transition: border-color 0.3s ease;
        }
.privacy-card:hover {
            border-color: rgba(234, 179, 8, 0.3);
        }
.privacy-card .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(234, 179, 8, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
.privacy-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
        }
.privacy-card p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.contact-box {
            background: linear-gradient(135deg, rgba(234, 179, 8, 0.08), rgba(245, 158, 11, 0.04));
            border: 1px solid rgba(234, 179, 8, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px;
            text-align: center;
            margin-top: 40px;
        }
.contact-box h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
        }
.contact-box p {
            color: rgba(250, 250, 250, 0.7);
            margin-bottom: 20px;
        }
.contact-box .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
.privacy-hero {
                padding: 60px 0 30px;
            }
.privacy-hero .hero-title {
                font-size: 2rem;
            }
.privacy-section h2 {
                font-size: 1.4rem;
            }
.privacy-card {
                padding: 20px;
            }

/* --- 子页面追加 --- */
/* 深色站点专用：覆盖Bootstrap自带白底黑字 */
        .card, .card-body, .card-header, .card-footer {
            background-color: rgba(24, 24, 27, 0.7) !important;
            color: var(--text-light) !important;
            border: 1px solid rgba(234, 179, 8, 0.25) !important;
            backdrop-filter: blur(6px);
        }
.card-title {
            color: var(--primary) !important;
        }
.table {
            --bs-table-bg: rgba(24, 24, 27, 0.5) !important;
            --bs-table-color: var(--text-light) !important;
            border-color: rgba(234, 179, 8, 0.2) !important;
        }
.table thead th {
            color: var(--primary) !important;
            border-bottom-color: rgba(234, 179, 8, 0.4) !important;
        }
.table tbody tr:hover {
            background-color: rgba(234, 179, 8, 0.08) !important;
        }
.form-control, .form-select {
            background-color: rgba(0, 0, 0, 0.4) !important;
            color: var(--text-light) !important;
            border-color: rgba(234, 179, 8, 0.3) !important;
        }
.form-control::placeholder {
            color: rgba(250, 250, 250, 0.5) !important;
        }
.form-control:focus, .form-select:focus {
            background-color: rgba(0, 0, 0, 0.6) !important;
            color: #fff !important;
            box-shadow: 0 0 0 0.2rem rgba(234, 179, 8, 0.25) !important;
        }
.accordion-button:not(.collapsed) {
            background-color: rgba(234, 179, 8, 0.15) !important;
            color: var(--primary) !important;
        }
.dropdown-menu {
            background-color: #222225 !important;
            border-color: rgba(234, 179, 8, 0.3) !important;
        }
.dropdown-item {
            color: var(--text-light) !important;
        }
.dropdown-item:hover {
            background-color: rgba(234, 179, 8, 0.2) !important;
            color: #fff !important;
        }
.nav-link-custom.active {
            color: var(--primary) !important;
            font-weight: 700;
        }
/* 排行榜专用小装饰 */
        .rank-badge {
            font-weight: 800;
            color: var(--primary);
            text-shadow: 0 0 6px rgba(234,179,8,0.5);
        }
.rank-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 12px;
            background: rgba(234,179,8,0.15);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
        }
.trend-up { color: #4ade80; }
.trend-down { color: #f87171; }
.trend-flat { color: #facc15; }

/* --- 子页面追加 --- */
/* 确保Bootstrap组件不破坏暗色风格 (仅用栅格，但还是兜底) */
    .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
    .form-control, .form-select, .form-label, .input-group-text,
    .table, .list-group-item, .accordion-item, .accordion-button, .accordion-body,
    .modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item,
    .nav-link, .navbar, .navbar-brand, .btn-light, .btn-outline-* {
      background: transparent !important;
      color: var(--text-light) !important;
      border-color: rgba(234,179,8,0.2) !important;
    }
.accordion-button:focus {
      box-shadow: 0 0 0 0.2rem rgba(234,179,8,0.15) !important;
    }
/* 保持卡片/面板背景与暗色融合 */
    .guide-panel, .guide-step, .tip-box, .pro-tip, .faq-item {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(234,179,8,0.15);
      border-radius: var(--radius-md);
      padding: 1.6rem;
      height: 100%;
      transition: box-shadow .2s ease, transform .2s ease;
    }
.guide-panel:hover, .guide-step:hover, .tip-box:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
.step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #18181b;
      font-weight: 800;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      margin-right: 12px;
    }
.section-gap {
      padding: 4.5rem 0;
    }
.border-soft {
      border-bottom: 1px solid rgba(234,179,8,0.1);
    }
/* 高亮当前导航 */
    .nav-link-custom.active {
      color: var(--primary) !important;
      font-weight: 600;
    }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }