:root {
    --primary: #eab308;
    --accent: #f59e0b;
    --bg: #18181b;
    --text: #fafafa;
    --text-muted: #a1a1aa;
    --border-light: rgba(234, 179, 8, 0.15);
    --card-bg: #1f1f23;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
    --radius: 8px;
  }

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

  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  /* 滚动进度条 */
  #scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    z-index: 9999;
    transition: width 0.1s ease;
    box-shadow: 0 0 8px rgba(234, 179, 8, 0.5);
  }

  /* 导航栏 */
  .navbar-custom {
    background-color: rgba(24, 24, 27, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    padding: 0.75rem 0;
    z-index: 1000;
  }

  .navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text) !important;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .navbar-brand .brand-icon {
    color: var(--primary);
    font-size: 1.4rem;
  }

  .navbar-brand span.brand-name {
    color: var(--text);
  }

  .navbar-brand .brand-dot {
    color: var(--primary);
  }

  .nav-link {
    font-weight: 500;
    color: var(--text-muted) !important;
    margin: 0 0.25rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius);
    transition: all 0.2s ease;
  }

  .nav-link:hover {
    color: var(--primary) !important;
    background: rgba(234, 179, 8, 0.08);
  }

  .navbar-toggler {
    border-color: rgba(234, 179, 8, 0.4);
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(234, 179, 8, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }

  /* Hero 区块 */
  .hero-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1d 0%, #18181b 50%, #1f1f23 100%);
  }

  .hero-bg {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    background-image: 
      radial-gradient(circle at 20% 50%, rgba(234, 179, 8, 0.08) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.06) 0%, transparent 50%),
      radial-gradient(circle at 50% 30%, rgba(234, 179, 8, 0.03) 0%, transparent 70%);
    background-size: 100% 100%;
    will-change: transform;
    z-index: 1;
  }

  .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 4rem 2rem;
    max-width: 900px;
  }

  .hero-badge {
    display: inline-block;
    background: rgba(234, 179, 8, 0.12);
    border: 1px solid rgba(234, 179, 8, 0.3);
    color: var(--primary);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
  }

  .hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.2rem;
    color: var(--text);
  }

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

  .hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(234, 179, 8, 0.25);
    border-radius: 4px;
    z-index: -1;
  }

  .hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 2.5rem;
    font-weight: 400;
    line-height: 1.8;
  }

  .hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
  }

  .btn-gold {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #1a1a1a;
    font-weight: 700;
    padding: 0.85rem 2.2rem;
    border-radius: var(--radius);
    border: none;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(234, 179, 8, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(234, 179, 8, 0.4);
    color: #1a1a1a;
  }

  .btn-outline-light {
    background: transparent;
    border: 1px solid rgba(250, 250, 250, 0.3);
    color: var(--text);
    font-weight: 600;
    padding: 0.85rem 2.2rem;
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .btn-outline-light:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(234, 179, 8, 0.05);
    transform: translateY(-3px);
  }

  .hero-scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    z-index: 2;
  }

  @keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
  }

  /* 特色卡片区块 */
  .features-section {
    padding: 5rem 0;
    background: var(--bg);
    position: relative;
  }

  .section-header {
    text-align: center;
    margin-bottom: 3.5rem;
  }

  .section-tag {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
  }

  .section-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 0.75rem;
  }

  .section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
  }

  .feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius);
    padding: 2rem 1.8rem;
    transition: all 0.35s ease;
    height: 100%;
    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));
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(234, 179, 8, 0.2);
  }

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

  .feature-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.2rem;
    display: inline-block;
    background: rgba(234, 179, 8, 0.1);
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
  }

  .feature-card:hover .feature-icon {
    background: rgba(234, 179, 8, 0.2);
    transform: scale(1.05);
  }

  .feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text);
  }

  .feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 0;
  }

  /* 对比表格 */
  .comparison-section {
    padding: 5rem 0;
    background: #1c1c1f;
  }

  .comparison-table-wrapper {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }

  .comparison-table {
    width: 100%;
    border-collapse: collapse;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 1.2rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .comparison-table th {
    background: rgba(234, 179, 8, 0.08);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }

  .comparison-table td {
    color: var(--text-muted);
    font-size: 0.95rem;
  }

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

  .comparison-table .highlight-row {
    background: rgba(234, 179, 8, 0.03);
  }

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

  .comparison-cross {
    color: #52525b;
    font-size: 1.1rem;
  }

  .comparison-stat {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
  }

  .comparison-stat small {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
  }

  /* 长文区块 */
  .longform-section {
    padding: 5rem 0;
    background: var(--bg);
  }

  .longform-content {
    max-width: 800px;
    margin: 0 auto;
  }

  .longform-content h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: var(--text);
  }

  .longform-content p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
  }

  .numbered-list {
    list-style: none;
    counter-reset: step;
    margin: 2.5rem 0;
    padding: 0;
  }

  .numbered-list li {
    counter-increment: step;
    position: relative;
    padding: 1.5rem 1.5rem 1.5rem 4.5rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border-left: 3px solid var(--primary);
    transition: all 0.3s ease;
  }

  .numbered-list li:hover {
    background: #26262b;
    transform: translateX(4px);
  }

  .numbered-list li::before {
    content: counter(step);
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #1a1a1a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(234, 179, 8, 0.3);
  }

  .numbered-list li h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.35rem;
  }

  .numbered-list li p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 0;
    line-height: 1.6;
  }

  /* FAQ 区块 */
  .faq-section {
    padding: 5rem 0;
    background: #1c1c1f;
  }

  .faq-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
  }

  .faq-item:hover {
    border-color: rgba(234, 179, 8, 0.2);
  }

  .faq-question {
    padding: 1.4rem 1.8rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text);
    font-size: 1.05rem;
    user-select: none;
  }

  .faq-question .faq-icon {
    color: var(--primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
  }

  .faq-item.active .faq-icon {
    transform: rotate(45deg);
  }

  .faq-answer {
    padding: 0 1.8rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .faq-item.active .faq-answer {
    padding: 0 1.8rem 1.4rem;
    max-height: 300px;
  }

  /* CTA 区块 */
  .cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1f1f23 0%, #18181b 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(234, 179, 8, 0.05) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
  }

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

  .cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
  }

  .cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text);
  }

  .cta-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
  }

  .cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
  }

  /* 友情链接 */
  .friend-links {
    padding: 3rem 0;
    background: var(--bg);
    border-top: 1px solid rgba(255,255,255,0.04);
  }

  .friend-links-title {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .friend-links-content {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
  }

  .friend-links-content a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
  }

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

  /* 页脚 */
  .footer {
    background: #131315;
    padding: 2.5rem 0 1.5rem;
    border-top: 1px solid rgba(234, 179, 8, 0.08);
  }

  .footer-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 1rem;
  }

  .footer-brand .brand-icon {
    color: var(--primary);
  }

  .footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 300px;
    line-height: 1.6;
  }

  .footer-links h5 {
    color: var(--text);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
  }

  .footer-links ul {
    list-style: none;
    padding: 0;
  }

  .footer-links li {
    margin-bottom: 0.5rem;
  }

  .footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
  }

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

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding-top: 1.5rem;
    margin-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
  }

  .footer-bottom .domain {
    color: var(--primary);
  }

  /* 图片 hover 效果 */
  .hover-zoom {
    overflow: hidden;
    border-radius: var(--radius);
  }

  .hover-zoom img {
    transition: transform 0.5s ease;
  }

  .hover-zoom:hover img {
    transform: scale(1.06);
  }

  .hover-zoom .overlay-text {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem 1.5rem 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
    opacity: 0;
    transition: opacity 0.4s ease;
  }

  .hover-zoom:hover .overlay-text {
    opacity: 1;
  }

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

    .hero-subtitle {
      font-size: 1.05rem;
    }

    .section-title {
      font-size: 1.8rem;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 0.9rem 1rem;
      font-size: 0.85rem;
    }

    .comparison-stat {
      font-size: 1.4rem;
    }

    .numbered-list li {
      padding-left: 3.5rem;
    }

    .numbered-list li::before {
      left: 1rem;
      width: 28px;
      height: 28px;
      font-size: 0.85rem;
    }

    .cta-title {
      font-size: 1.8rem;
    }
  }

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

    .hero-buttons {
      flex-direction: column;
      align-items: center;
    }

    .btn-gold,
    .btn-outline-light {
      width: 100%;
      max-width: 280px;
      justify-content: center;
    }
  }

/* --- 子页面追加 --- */
/* 本页专属微调：确保卡片、表格等元素与深色金调主题统一 */
    .about-card, .about-card-body {
      background: var(--card-bg);
      color: var(--text);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
    }
.about-card-title {
      color: var(--primary);
      font-weight: 700;
    }
.about-card-text {
      color: var(--text-muted);
    }
.about-list-group-item {
      background: transparent;
      color: var(--text);
      border-color: var(--border-light);
    }
.about-list-group-item i {
      color: var(--accent);
      width: 24px;
    }
.about-blockquote {
      border-left: 4px solid var(--primary);
      background: rgba(234, 179, 8, 0.05);
      padding: 1rem 1.5rem;
      border-radius: 0 var(--radius) var(--radius) 0;
      color: var(--text-muted);
    }
.about-section-title {
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 1rem;
    }
.about-highlight {
      color: var(--accent);
      font-weight: 600;
    }
.about-badge {
      background: rgba(234, 179, 8, 0.15);
      color: var(--primary);
      padding: 0.35em 0.8em;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.8rem;
    }
/* 覆盖 Bootstrap 组件默认白底 */
    .accordion-item, .accordion-button {
      background: var(--card-bg);
      color: var(--text);
      border-color: var(--border-light);
    }
.accordion-button:not(.collapsed) {
      background: rgba(234, 179, 8, 0.1);
      color: var(--primary);
    }
.accordion-button::after {
      filter: invert(80%) sepia(40%) saturate(1000%) hue-rotate(10deg);
    }
.table {
      --bs-table-bg: transparent;
      --bs-table-color: var(--text);
      border-color: var(--border-light);
    }
.table th {
      color: var(--primary);
      font-weight: 600;
    }
.table td {
      color: var(--text-muted);
    }

/* --- 子页面追加 --- */
/* 确保 Bootstrap 组件不会白底黑字 —— 我们不用组件类，但保险起见覆盖关键类 */
    .card, .card-body, .list-group-item, .accordion-item, .accordion-button {
      background: var(--card-bg) !important;
      color: var(--text) !important;
      border-color: var(--border-light) !important;
    }
.form-control, .form-select {
      background: rgba(0,0,0,0.25) !important;
      border-color: var(--border-light) !important;
      color: var(--text) !important;
    }
.form-control::placeholder {
      color: rgba(255,255,255,0.4) !important;
    }
/* 避免导航栏被 Bootstrap 默认白色覆盖 */
    .navbar-custom {
      background: rgba(24, 24, 27, 0.92) !important;
      backdrop-filter: blur(10px);
    }
.nav-link, .navbar-brand {
      color: var(--text) !important;
    }
.nav-link.active {
      color: var(--primary) !important;
      font-weight: 600;
    }
/* 小标题使用金色强调 */
    .disclaimer-section h2 {
      color: var(--primary);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 1.2rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
.disclaimer-section h2 i {
      font-size: 1.8rem;
      color: var(--accent);
    }
.disclaimer-card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 2rem 2rem;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.2s;
    }
.disclaimer-card:hover {
      box-shadow: var(--shadow-md);
    }
.legal-list {
      list-style: none;
      padding-left: 0;
    }
.legal-list li {
      padding: 0.65rem 0 0.65rem 1.8rem;
      position: relative;
      color: var(--text);
      border-bottom: 1px dashed rgba(234,179,8,0.15);
    }
.legal-list li:last-child {
      border-bottom: none;
    }
.legal-list li::before {
      content: "\f058";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      color: var(--primary);
      font-size: 1.1rem;
    }
.highlight-box {
      background: rgba(234,179,8,0.06);
      border-left: 4px solid var(--primary);
      padding: 1.2rem 1.5rem;
      border-radius: 0 var(--radius) var(--radius) 0;
      color: var(--text-muted);
      font-size: 0.95rem;
      margin: 1.8rem 0;
    }
.section-gap {
      margin-top: 4rem;
    }
/* 页脚样式与首页保持一致（如果全局没有，则补充） */
    .footer-link {
      color: var(--text-muted);
      text-decoration: none;
    }
.footer-link:hover {
      color: var(--primary);
    }

/* --- 子页面追加 --- */
/* 页面专有微调（仅补充，不覆盖站点全局） */
    .privacy-hero {
      padding: 5rem 0 3rem;
      border-bottom: 1px solid var(--border-light);
    }
.privacy-hero .section-tag {
      margin-bottom: 0.5rem;
    }
.privacy-hero h1 {
      font-size: 2.5rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
      color: var(--text);
    }
.privacy-hero .lead {
      color: var(--text-muted);
      max-width: 720px;
      font-size: 1.1rem;
    }
.privacy-section {
      padding: 3.5rem 0;
      border-bottom: 1px solid var(--border-light);
    }
.privacy-section:last-of-type {
      border-bottom: none;
    }
.privacy-section h2 {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 1.5rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
.privacy-section h2 i {
      color: var(--primary);
      font-size: 1.4rem;
    }
.privacy-section h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text);
      margin-top: 2rem;
      margin-bottom: 0.75rem;
      padding-left: 0.75rem;
      border-left: 4px solid var(--primary);
    }
.privacy-section p, .privacy-section li {
      color: var(--text-muted);
      line-height: 1.8;
      font-size: 1rem;
    }
.privacy-section ul, .privacy-section ol {
      padding-left: 1.5rem;
      margin-bottom: 1rem;
    }
.privacy-section li {
      margin-bottom: 0.5rem;
    }
.privacy-card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 1.5rem 1.75rem;
      box-shadow: var(--shadow-sm);
      margin: 2rem 0;
    }
.privacy-card .card-title {
      color: var(--primary);
      font-weight: 600;
      font-size: 1.1rem;
      margin-bottom: 0.75rem;
    }
.privacy-card p {
      margin-bottom: 0.5rem;
    }
.btn-back-home {
      margin-top: 1rem;
    }

/* --- 子页面追加 --- */
/* 榜单卡片完全复用站点变量，这里只做少量排版补充 */
        .rank-hero {
            background: linear-gradient(145deg, rgba(234,179,8,0.06) 0%, rgba(24,24,27,1) 60%);
            border-bottom: 1px solid var(--border-light);
        }
.rank-tabs {
            border-bottom: 1px solid var(--border-light);
            gap: 0.25rem;
        }
.rank-tab-item {
            background: transparent;
            border: 1px solid transparent;
            color: var(--text-muted);
            padding: 0.6rem 1.2rem;
            border-radius: 40px;
            font-weight: 500;
            transition: all .2s;
            white-space: nowrap;
        }
.rank-tab-item:hover {
            color: var(--text);
            border-color: var(--border-light);
        }
.rank-tab-item.active {
            background: rgba(234,179,8,0.12);
            border-color: var(--primary);
            color: var(--primary);
        }
.rank-card-custom {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 1.25rem;
            transition: transform .15s ease, box-shadow .2s;
        }
.rank-card-custom:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(234,179,8,0.35);
        }
.rank-badge {
            background: rgba(234,179,8,0.15);
            color: var(--primary);
            font-weight: 600;
            border-radius: 30px;
            padding: 0.2rem 0.8rem;
            font-size: 0.8rem;
        }
.rank-metric {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
.rank-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            min-width: 40px;
        }
.list-group-flush-custom .list-group-item {
            background: transparent;
            border-color: var(--border-light);
            color: var(--text);
            padding: 0.75rem 0;
        }
.progress-custom {
            background: rgba(255,255,255,0.05);
            border-radius: 50px;
            height: 6px;
        }
.progress-custom .progress-bar-custom {
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 50px;
        }
.rank-footer-note {
            border-top: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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