/* roulang page: index */
:root {
      --bg-main: #050B18;
      --bg-card: rgba(13, 27, 62, 0.65);
      --bg-card-hover: rgba(18, 38, 84, 0.85);
      --primary-cyan: #00F5FF;
      --accent-green: #10B981;
      --alert-red: #FF3366;
      --border-cyan: rgba(0, 245, 255, 0.15);
      --border-cyan-hover: rgba(0, 245, 255, 0.45);
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --glow-cyan: 0 0 20px rgba(0, 245, 255, 0.35);
      --track-line: rgba(0, 245, 255, 0.1);
    }
    
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 15% 15%, rgba(0, 245, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 85% 65%, rgba(16, 185, 129, 0.04) 0%, transparent 45%),
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
      background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
    }
    
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    
    /* 顶部服务状态条 */
    .top-utility-bar {
      background: rgba(3, 7, 18, 0.95);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.82rem;
      color: var(--text-muted);
      padding: 6px 0;
    }
    
    /* 导航栏 */
    .site-nav {
      background: rgba(5, 11, 24, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-cyan);
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 12px 0;
    }
    
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFF;
      letter-spacing: 0.5px;
    }
    
    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary-cyan), #0072FF);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #050B18;
      font-weight: 900;
      font-size: 1.1rem;
      box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
    }
    
    .nav-links-wrap {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    
    .nav-item-custom {
      color: var(--text-muted);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 6px 12px;
      border-radius: 6px;
      position: relative;
    }
    
    .nav-item-custom:hover,
    .nav-item-custom.active {
      color: var(--primary-cyan);
      background: rgba(0, 245, 255, 0.06);
    }
    
    .nav-item-custom.active::after {
      content: '';
      position: absolute;
      bottom: -12px;
      left: 12px;
      right: 12px;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: var(--glow-cyan);
    }
    
    .location-selector {
      display: flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    
    .location-selector select {
      background: transparent;
      border: none;
      color: var(--text-main);
      font-size: 0.85rem;
      outline: none;
      cursor: pointer;
    }
    
    .location-selector select option {
      background: #0A192F;
      color: #FFF;
    }
    
    /* 发光按钮 */
    .btn-glow {
      background: linear-gradient(135deg, #00C6FF, #0072FF);
      color: #030712 !important;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 6px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: none;
      box-shadow: 0 0 18px rgba(0, 198, 255, 0.45);
      transition: all 0.25s ease;
      cursor: pointer;
      font-size: 0.95rem;
    }
    
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 198, 255, 0.7);
      color: #000 !important;
    }
    
    .btn-ghost-cyan {
      background: rgba(0, 245, 255, 0.06);
      border: 1px solid var(--border-cyan);
      color: var(--primary-cyan) !important;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: 6px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s ease;
    }
    
    .btn-ghost-cyan:hover {
      background: rgba(0, 245, 255, 0.15);
      border-color: var(--primary-cyan);
      box-shadow: var(--glow-cyan);
    }
    
    /* 玻璃拟态卡片 */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      border: 1px solid var(--border-cyan);
      border-radius: 12px;
      padding: 26px;
      position: relative;
      transition: all 0.3s ease;
      height: 100%;
    }
    
    .glass-card:hover {
      border-color: var(--border-cyan-hover);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 245, 255, 0.1);
      transform: translateY(-3px);
    }
    
    /* 奥运/田径分道线与装饰 */
    .track-separator {
      height: 1px;
      width: 100%;
      background: linear-gradient(90deg, transparent, var(--border-cyan), transparent);
      margin: 18px 0;
    }
    
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-cyan);
      background: rgba(0, 245, 255, 0.08);
      border: 1px solid rgba(0, 245, 255, 0.2);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #FFF;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    
    .section-desc {
      color: var(--text-muted);
      max-width: 820px;
      margin-bottom: 34px;
      font-size: 1rem;
      line-height: 1.7;
    }
    
    /* 板块 1: 全宽矮横幅 Hero */
    .hero-strip {
      background: linear-gradient(180deg, rgba(10, 25, 47, 0.7) 0%, rgba(5, 11, 24, 0.95) 100%);
      border-bottom: 1px solid var(--border-cyan);
      padding: 60px 0 50px 0;
      position: relative;
    }
    
    .hero-h1 {
      font-size: 2.45rem;
      font-weight: 900;
      color: #FFF;
      line-height: 1.25;
      margin-bottom: 18px;
    }
    
    .hero-lead {
      color: #CBD5E1;
      font-size: 1.05rem;
      line-height: 1.75;
      margin-bottom: 26px;
    }
    
    .radar-box {
      background: rgba(13, 27, 62, 0.7);
      border: 1px solid rgba(0, 245, 255, 0.25);
      border-radius: 12px;
      padding: 22px;
      position: relative;
      box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    }
    
    /* 记分板大字号 */
    .scoreboard-val {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      font-size: 3rem;
      font-weight: 900;
      line-height: 1;
      background: linear-gradient(135deg, #FFF 20%, var(--primary-cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
    }
    
    /* 步骤线 */
    .step-node {
      position: relative;
      padding: 24px;
      border-radius: 10px;
      background: rgba(13, 27, 62, 0.5);
      border: 1px solid var(--border-cyan);
    }
    
    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: rgba(0, 245, 255, 0.15);
      border: 1px solid var(--primary-cyan);
      color: var(--primary-cyan);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
    }
    
    /* 对比表格 */
    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border: 1px solid var(--border-cyan);
      border-radius: 12px;
      overflow: hidden;
      background: rgba(13, 27, 62, 0.4);
    }
    
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      text-align: left;
      font-size: 0.95rem;
    }
    
    .compare-table th {
      background: rgba(0, 245, 255, 0.08);
      color: #FFF;
      font-weight: 700;
    }
    
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    
    .text-positive {
      color: var(--accent-green);
      font-weight: 600;
    }
    
    .text-negative {
      color: var(--alert-red);
    }
    
    /* 手风琴改造 */
    .custom-accordion .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: 8px !important;
      margin-bottom: 14px;
      overflow: hidden;
    }
    
    .custom-accordion .accordion-button {
      background: transparent;
      color: #FFF;
      font-weight: 600;
      font-size: 1.05rem;
      padding: 18px 24px;
      box-shadow: none;
    }
    
    .custom-accordion .accordion-button:not(.collapsed) {
      color: var(--primary-cyan);
      background: rgba(0, 245, 255, 0.05);
      border-bottom: 1px solid var(--border-cyan);
    }
    
    .custom-accordion .accordion-button::after {
      filter: invert(1);
    }
    
    .custom-accordion .accordion-body {
      padding: 20px 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    
    /* 页脚 */
    .site-footer {
      background: #02050D;
      border-top: 1px solid var(--border-cyan);
      padding: 60px 0 30px;
      color: var(--text-dim);
      font-size: 0.88rem;
    }
    
    .footer-heading {
      color: #FFF;
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 18px;
    }
    
    .footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    
    .footer-list li {
      margin-bottom: 10px;
    }
    
    .footer-list a:hover {
      color: var(--primary-cyan);
    }
    
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }

    @media (max-width: 991px) {
      .hero-h1 { font-size: 1.95rem; }
      .scoreboard-val { font-size: 2.3rem; }
      .section-title { font-size: 1.75rem; }
      .nav-links-wrap { display: none; }
    }

/* roulang page: category1 */
:root {
    --bg-main: #050B18;
    --bg-card: rgba(13, 27, 62, 0.65);
    --bg-card-hover: rgba(18, 38, 84, 0.85);
    --primary-cyan: #00F5FF;
    --accent-green: #10B981;
    --alert-red: #FF3366;
    --border-cyan: rgba(0, 245, 255, 0.15);
    --border-cyan-hover: rgba(0, 245, 255, 0.45);
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --text-dim: #64748B;
    --glow-cyan: 0 0 20px rgba(0, 245, 255, 0.35);
    --track-line: rgba(0, 245, 255, 0.1);
  }
  body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
      radial-gradient(circle at 15% 15%, rgba(0, 245, 255, 0.05) 0%, transparent 40%),
      radial-gradient(circle at 85% 65%, rgba(16, 185, 129, 0.04) 0%, transparent 45%),
      linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  }
  a {
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
  }
  .site-nav {
    background: rgba(5, 11, 24, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-cyan);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 12px 0;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFF;
    letter-spacing: 0.5px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-cyan), #0072FF);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #050B18;
    font-weight: 900;
    font-size: 1.1rem;
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
  }
  .nav-links-wrap {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  .nav-item-custom {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    position: relative;
  }
  .nav-item-custom:hover,
  .nav-item-custom.active {
    color: var(--primary-cyan);
    background: rgba(0, 245, 255, 0.06);
  }
  .nav-item-custom.active::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 12px;
    right: 12px;
    height: 2px;
    background: var(--primary-cyan);
    box-shadow: var(--glow-cyan);
  }
  .btn-glow {
    background: linear-gradient(135deg, #00C6FF, #0072FF);
    color: #030712 !important;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    box-shadow: 0 0 18px rgba(0, 198, 255, 0.45);
    transition: all 0.25s ease;
    cursor: pointer;
    font-size: 0.95rem;
  }
  .btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(0, 198, 255, 0.7);
    color: #000 !important;
  }
  .glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-cyan);
    border-radius: 12px;
    padding: 24px;
    position: relative;
    transition: all 0.3s ease;
    height: 100%;
  }
  .glass-card:hover {
    border-color: var(--border-cyan-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 245, 255, 0.1);
    transform: translateY(-3px);
  }
  .section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-cyan);
    background: rgba(0, 245, 255, 0.08);
    border: 1px solid rgba(0, 245, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: 1.95rem;
    font-weight: 800;
    color: #FFF;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
  }
  .section-desc {
    color: var(--text-muted);
    max-width: 820px;
    margin-bottom: 30px;
    font-size: 0.98rem;
    line-height: 1.7;
  }
  .custom-accordion .accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border-cyan);
    border-radius: 8px !important;
    margin-bottom: 14px;
    overflow: hidden;
  }
  .custom-accordion .accordion-button {
    background: transparent;
    color: #FFF;
    font-weight: 600;
    font-size: 1rem;
    padding: 18px 24px;
    box-shadow: none;
  }
  .custom-accordion .accordion-button:not(.collapsed) {
    background: rgba(0, 245, 255, 0.05);
    color: var(--primary-cyan);
    box-shadow: inset 0 -1px 0 rgba(0, 245, 255, 0.15);
  }
  .custom-accordion .accordion-button::after {
    filter: invert(1);
  }
  .custom-accordion .accordion-body {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    padding: 20px 24px;
  }
  .filter-chip {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.88rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .filter-chip:hover, .filter-chip.active {
    color: #030712;
    background: var(--primary-cyan);
    border-color: var(--primary-cyan);
    font-weight: 600;
    box-shadow: var(--glow-cyan);
  }
  .footer-custom {
    background: #020610;
    border-top: 1px solid var(--border-cyan);
    padding: 60px 0 25px;
    margin-top: 60px;
  }
  .footer-brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: #FFF;
  }
  .footer-title {
    color: #FFF;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
  }
  .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-links li {
    margin-bottom: 12px;
  }
  .footer-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
  }
  .footer-links a:hover {
    color: var(--primary-cyan);
    padding-left: 4px;
  }
  .param-badge {
    background: rgba(0, 245, 255, 0.08);
    color: var(--primary-cyan);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid rgba(0, 245, 255, 0.2);
  }
  @media (max-width: 991px) {
    .nav-links-wrap {
      display: none;
    }
    .section-title {
      font-size: 1.6rem;
    }
  }