:root {
  --primary: #0891b2;
  --accent: #0ea5e9;
  --bg: #ecfeff;
  --text: #083344;
  --white: #ffffff;
  --gray-100: #f0f9ff;
  --gray-200: #cffafe;
  --border-dark: #083344;
  --shadow-hard: 6px 6px 0px 0px var(--border-dark);
  --shadow-hover: 10px 10px 0px 0px var(--border-dark);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 渐变光晕背景 */
body::before {
  content: '';
  position: fixed;
  top: -10%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(14,165,233,0.15) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}
body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(8,145,178,0.12) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent);
}

/* 全直角 */
.btn, .card, .navbar, .list-group-item, .form-control, img {
  border-radius: 0 !important;
}

/* 导航栏 */
.custom-nav {
  background: var(--white);
  border-bottom: 3px solid var(--border-dark);
  box-shadow: 0 3px 0 0 rgba(8,51,68,0.08);
  padding: 12px 0;
}
.navbar-brand {
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--text) !important;
  letter-spacing: -0.03em;
}
.navbar-brand i {
  color: var(--primary);
  margin-right: 6px;
}
.custom-nav .nav-link {
  font-weight: 600;
  color: var(--text) !important;
  padding: 8px 16px !important;
  margin: 0 2px;
  border: 2px solid transparent;
  transition: all 0.25s;
}
.custom-nav .nav-link:hover {
  border-color: var(--border-dark);
  background: var(--gray-200);
  color: var(--primary) !important;
}
.navbar-toggler {
  border: 2px solid var(--border-dark);
  border-radius: 0;
}

/* Hero 区 */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text);
  opacity: 0.8;
  max-width: 700px;
  margin: 20px auto 0;
}
.hero-badge {
  display: inline-block;
  background: var(--white);
  border: 3px solid var(--border-dark);
  padding: 8px 20px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 4px 4px 0px 0px var(--border-dark);
  margin-bottom: 24px;
}
.hero-float {
  position: absolute;
  font-size: 2rem;
  opacity: 0.12;
  animation: floaty 5s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}

/* 通用区块 */
.section-padding {
  padding: 70px 0;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--primary);
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text);
  opacity: 0.7;
  margin-bottom: 40px;
  max-width: 600px;
}

/* 使用说明 */
.steps-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
  counter-reset: step;
}
.step-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--white);
  border: 3px solid var(--border-dark);
  padding: 24px;
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s, box-shadow 0.2s;
}
.step-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}
.step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  font-weight: 900;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--border-dark);
  box-shadow: 3px 3px 0px 0px var(--border-dark);
}
.step-content {
  flex: 1;
}
.step-content h4 {
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 6px;
}
.step-content p {
  margin: 0;
  opacity: 0.85;
}

/* 特色对比表格 */
.compare-table {
  width: 100%;
  background: var(--white);
  border: 3px solid var(--border-dark);
  border-collapse: collapse;
  box-shadow: var(--shadow-hard);
}
.compare-table th, .compare-table td {
  padding: 16px 20px;
  border: 2px solid var(--border-dark);
  text-align: center;
  font-weight: 500;
}
.compare-table th {
  background: var(--primary);
  color: var(--white);
  font-weight: 800;
  font-size: 1.05rem;
}
.compare-table td:first-child {
  font-weight: 700;
  background: var(--gray-100);
}
.compare-table .fa-check {
  color: #16a34a;
  font-size: 1.3rem;
}
.compare-table .fa-xmark {
  color: #dc2626;
  font-size: 1.3rem;
}
.table-responsive {
  border: none;
}

/* 特色卡片 */
.feature-card {
  background: var(--white);
  border: 3px solid var(--border-dark);
  padding: 30px 24px;
  box-shadow: var(--shadow-hard);
  transition: transform 0.25s, box-shadow 0.25s;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.feature-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.feature-card h4 {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 10px;
}
.feature-card p {
  opacity: 0.8;
  margin: 0;
  font-size: 0.95rem;
}

/* 长文区 */
.long-article {
  background: var(--white);
  border: 3px solid var(--border-dark);
  padding: 40px;
  box-shadow: var(--shadow-hard);
}
.long-article h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  font-weight: 800;
}
.long-article p {
  margin-bottom: 20px;
  font-size: 1.02rem;
  line-height: 1.9;
}
.long-article h4 {
  font-size: 1.3rem;
  margin-top: 30px;
  margin-bottom: 14px;
  font-weight: 700;
}
.long-article ul {
  padding-left: 20px;
  margin-bottom: 20px;
}
.long-article li {
  margin-bottom: 10px;
}

/* FAQ */
.faq-item {
  background: var(--white);
  border: 3px solid var(--border-dark);
  box-shadow: var(--shadow-hard);
  margin-bottom: 20px;
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.faq-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}
.faq-q {
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-q i {
  color: var(--primary);
}
.faq-a {
  padding-left: 30px;
  opacity: 0.85;
  margin: 0;
}

/* CTA */
.cta-section {
  background: var(--text);
  color: var(--white);
  border-top: 4px solid var(--accent);
  border-bottom: 4px solid var(--primary);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle, rgba(14,165,233,0.3) 0%, transparent 70%);
}
.cta-section h2 {
  color: var(--white);
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-section p {
  opacity: 0.8;
  font-size: 1.1rem;
  margin-bottom: 30px;
}
.btn-cta {
  background: var(--accent);
  color: var(--white);
  border: 3px solid var(--white);
  padding: 14px 36px;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 6px 6px 0px 0px rgba(255,255,255,0.3);
  transition: all 0.25s;
  display: inline-block;
}
.btn-cta:hover {
  background: var(--primary);
  color: var(--white);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px rgba(255,255,255,0.5);
}

/* 友情链接 */
.friend-links {
  background: var(--gray-100);
  border-top: 3px solid var(--border-dark);
  padding: 40px 0;
}
.friend-links h5 {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.friend-links .links-line {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  opacity: 0.7;
}

/* 页脚 */
.site-footer {
  background: var(--text);
  color: var(--white);
  padding: 40px 0;
  border-top: 4px solid var(--accent);
}
.site-footer a {
  color: var(--gray-200);
}
.site-footer a:hover {
  color: var(--accent);
}
.footer-brand {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--white) !important;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
}

/* 回到顶部 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border: 3px solid var(--border-dark);
  box-shadow: 4px 4px 0px 0px var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

/* 滚动淡入 */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式 */
@media (max-width: 768px) {
  .hero-section {
    padding: 50px 0 40px;
  }
  .section-padding {
    padding: 50px 0;
  }
  .long-article {
    padding: 24px;
  }
  .compare-table th, .compare-table td {
    padding: 12px 10px;
    font-size: 0.85rem;
  }
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

/* --- 子页面追加 --- */
/* 本页专属样式：关于我们页特有的内容排版 */
    .about-hero {
      background: var(--bg);
      padding: 80px 0 40px;
    }
.about-hero .hero-title {
      margin-bottom: 16px;
    }
.about-section {
      padding: 48px 0;
      border-bottom: 1px solid var(--gray-200);
    }
.about-section:last-of-type {
      border-bottom: none;
    }
.about-section .section-title {
      margin-bottom: 24px;
      font-size: 1.6rem;
      position: relative;
      display: inline-block;
    }
.about-section .section-title::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--primary);
      border-radius: 2px;
    }
.about-content {
      color: var(--text);
      font-size: 1.02rem;
      line-height: 1.8;
    }
.about-content p {
      margin-bottom: 16px;
    }
.about-content strong {
      color: var(--primary);
      font-weight: 700;
    }
.about-list {
      margin: 16px 0;
      padding-left: 0;
      list-style: none;
    }
.about-list li {
      padding: 8px 0;
      padding-left: 28px;
      position: relative;
    }
.about-list li::before {
      content: '🍌';
      position: absolute;
      left: 0;
      top: 8px;
      font-size: 14px;
    }
.about-feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      margin-top: 24px;
    }
.about-feature-item {
      background: var(--gray-100);
      border: 2px solid var(--gray-200);
      border-radius: 12px;
      padding: 24px 20px;
      text-align: center;
      transition: transform .2s ease, box-shadow .2s ease;
    }
.about-feature-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hard);
    }
.about-feature-item i {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 12px;
      display: block;
    }
.about-feature-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
    }
.about-feature-item p {
      font-size: .9rem;
      color: var(--text);
      opacity: .85;
      margin-bottom: 0;
    }
.about-quote {
      background: var(--white);
      border-left: 5px solid var(--primary);
      padding: 20px 24px;
      border-radius: 0 12px 12px 0;
      margin: 24px 0;
      font-style: italic;
      box-shadow: var(--shadow-hard);
    }
.about-quote p {
      margin-bottom: 0;
      color: var(--text);
    }
.about-quote .quote-author {
      display: block;
      margin-top: 8px;
      font-style: normal;
      font-weight: 600;
      color: var(--primary);
    }
.about-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin: 24px 0;
    }
.stat-box {
      flex: 1;
      min-width: 140px;
      background: var(--white);
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-hard);
    }
.stat-box .stat-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.2;
    }
.stat-box .stat-label {
      font-size: .85rem;
      color: var(--text);
      margin-top: 6px;
      font-weight: 500;
    }
.about-section .section-title {
        font-size: 1.3rem;
      }
.about-hero {
        padding: 50px 0 24px;
      }

/* --- 子页面追加 --- */
/* 本页专属少量补充样式 */
    .disclaimer-section { background: var(--bg); }
.disclaimer-card { background: var(--white); border: 2px solid var(--border-dark); box-shadow: var(--shadow-hard); padding: 2rem; margin-bottom: 1.5rem; }
.disclaimer-card h3 { color: var(--primary); font-weight: 800; margin-bottom: 1rem; font-size: 1.4rem; }
.disclaimer-card p { color: var(--text); line-height: 1.8; }
.disclaimer-card ul { padding-left: 1.2rem; color: var(--text); }
.disclaimer-card ul li { margin-bottom: 0.5rem; line-height: 1.7; }
.disclaimer-card i { color: var(--accent); margin-right: 0.5rem; }
.disclaimer-card a { color: var(--primary); font-weight: 600; }
.disclaimer-card a:hover { color: var(--accent); }
.disclaimer-updated { background: var(--gray-100); border: 2px solid var(--border-dark); box-shadow: var(--shadow-hard); padding: 1rem 1.5rem; display: inline-block; margin-bottom: 2rem; font-weight: 600; color: var(--text); }
.disclaimer-updated i { color: var(--primary); margin-right: 0.5rem; }

/* --- 子页面追加 --- */
.guide-hero {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.guide-hero h1 {
            font-weight: 900;
            font-size: 2.6rem;
            color: var(--white);
            text-shadow: 3px 3px 0 rgba(8, 51, 68, 0.3);
        }
.guide-hero p {
            color: rgba(255,255,255,0.92);
            font-size: 1.15rem;
            max-width: 640px;
        }
.guide-hero .hero-badge {
            background: var(--white);
            color: var(--primary);
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 40px;
            display: inline-block;
            margin-bottom: 18px;
            box-shadow: 3px 3px 0 rgba(8, 51, 68, 0.2);
        }
.guide-card {
            background: var(--white);
            border: 2px solid var(--border-dark);
            border-radius: 12px;
            box-shadow: var(--shadow-hard);
            padding: 28px 24px;
            height: 100%;
            transition: all .25s ease;
        }
.guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translate(-2px, -2px);
        }
.guide-card .icon-circle {
            width: 56px;
            height: 56px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            border: 2px solid var(--border-dark);
            box-shadow: 3px 3px 0 rgba(8, 51, 68, 0.2);
        }
.guide-card h3 {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            margin-bottom: 12px;
        }
.guide-card p {
            color: var(--text);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
.guide-steps .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            align-items: flex-start;
        }
.guide-steps .step-num {
            min-width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--white);
            font-weight: 900;
            font-size: 1.3rem;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--border-dark);
            box-shadow: 3px 3px 0 rgba(8, 51, 68, 0.2);
        }
.guide-steps .step-content h3 {
            font-weight: 800;
            color: var(--text);
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
.guide-steps .step-content p {
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 0;
        }
.tip-box {
            background: var(--gray-100);
            border-left: 5px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            margin: 24px 0;
        }
.tip-box i {
            color: var(--primary);
            margin-right: 8px;
        }
.guide-table-wrap {
            background: var(--white);
            border: 2px solid var(--border-dark);
            border-radius: 12px;
            box-shadow: var(--shadow-hard);
            overflow: hidden;
        }
.guide-table-wrap table {
            margin-bottom: 0;
            width: 100%;
            background: transparent;
        }
.guide-table-wrap th {
            background: var(--primary);
            color: var(--white);
            font-weight: 700;
            padding: 14px 18px;
            border: none;
            font-size: 0.95rem;
        }
.guide-table-wrap td {
            padding: 14px 18px;
            border-top: 1px solid var(--gray-200);
            color: var(--text);
            font-size: 0.92rem;
            background: transparent;
        }
.guide-table-wrap tr:hover td {
            background: var(--gray-100);
        }
.guide-table-wrap .table-responsive {
            border: none;
        }
.accordion-guide .accordion-item {
            background: var(--white);
            border: 2px solid var(--border-dark);
            border-radius: 10px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 3px 3px 0 rgba(8, 51, 68, 0.08);
        }
.accordion-guide .accordion-button {
            background: var(--white);
            color: var(--text);
            font-weight: 700;
            font-size: 1rem;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
        }
.accordion-guide .accordion-button:not(.collapsed) {
            background: var(--gray-100);
            color: var(--primary);
            box-shadow: none;
        }
.accordion-guide .accordion-button:focus {
            box-shadow: none;
            border: none;
        }
.accordion-guide .accordion-body {
            background: var(--white);
            color: var(--text);
            padding: 0 20px 18px;
            line-height: 1.7;
            border-top: 1px solid var(--gray-200);
        }
.accordion-guide .accordion-button::after {
            filter: hue-rotate(140deg) saturate(1.5);
        }
.guide-hero h1 {
                font-size: 1.9rem;
            }
.guide-card {
                padding: 20px 16px;
            }

/* --- 子页面追加 --- */
/* 排行榜页面专属样式 */
        .rank-hero {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
        }
.rank-hero::after {
            content: '🏆';
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 120px;
            opacity: 0.15;
            animation: float 3s ease-in-out infinite;
        }
.rank-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
.rank-tab {
            padding: 10px 20px;
            background: var(--gray-100);
            border: 2px solid var(--border-dark);
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            color: var(--text);
        }
.rank-tab:hover, .rank-tab.active {
            background: var(--primary);
            color: var(--white);
            box-shadow: 4px 4px 0px 0px var(--border-dark);
            transform: translate(-2px, -2px);
        }
.rank-card {
            background: var(--white);
            border: 2px solid var(--border-dark);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-hard);
            transition: all 0.3s;
            display: flex;
            gap: 20px;
            align-items: center;
        }
.rank-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translate(-4px, -4px);
        }
.rank-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--primary);
            min-width: 60px;
            text-align: center;
            position: relative;
        }
.rank-number.top-3 {
            color: #f59e0b;
        }
.rank-number.top-3::after {
            content: '⭐';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 14px;
        }
.rank-info {
            flex: 1;
        }
.rank-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 5px;
        }
.rank-meta {
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 8px;
        }
.rank-desc {
            font-size: 14px;
            color: #64748b;
            line-height: 1.6;
        }
.rank-stats {
            display: flex;
            gap: 15px;
            margin-top: 8px;
            font-size: 13px;
            color: var(--text);
        }
.rank-stats i {
            color: var(--accent);
            margin-right: 4px;
        }
.rank-actions {
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
        }
.rank-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--gray-100);
            border: 1px solid var(--border-dark);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text);
            margin: 2px;
        }
.rank-tag.hot {
            background: #fef3c7;
            border-color: #f59e0b;
            color: #92400e;
        }
.rank-tag.new {
            background: #dbeafe;
            border-color: #3b82f6;
            color: #1e40af;
        }
.rank-tag.end {
            background: #fee2e2;
            border-color: #ef4444;
            color: #991b1b;
        }
.rank-note {
            background: var(--gray-100);
            border-left: 4px solid var(--primary);
            padding: 15px 20px;
            border-radius: 0 8px 8px 0;
            margin: 30px 0;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text);
        }
.rank-update {
            background: var(--white);
            border: 2px solid var(--border-dark);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-hard);
            margin-top: 40px;
        }
.rank-update h3 {
            color: var(--primary);
            margin-bottom: 20px;
            font-weight: 800;
        }
.update-list {
            list-style: none;
            padding: 0;
        }
.update-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--gray-200);
            display: flex;
            align-items: center;
            gap: 15px;
        }
.update-list li:last-child {
            border-bottom: none;
        }
.update-badge {
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            background: var(--primary);
            color: var(--white);
            min-width: 70px;
            text-align: center;
        }
.update-badge.recommend {
            background: #f59e0b;
        }
.update-badge.hot {
            background: #ef4444;
        }
.update-badge.new {
            background: #3b82f6;
        }
.rank-card {
                flex-direction: column;
                text-align: center;
            }
.rank-number {
                min-width: auto;
            }
.rank-actions {
                flex-direction: row;
            }
.rank-hero::after {
                font-size: 60px;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#083344 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#083344 !important; }
.accordion-header { background:transparent !important; }