/* roulang page: index */
:root {
      --primary-deepgreen: #0B3B24;
      --primary-dark: #051E12;
      --accent-orange: #F15A24;
      --accent-orange-hover: #D9481A;
      --highlight-yellow: #F9C80E;
      --bg-warm: #FAF9F7;
      --card-bg: #FFFFFF;
      --card-border: #E2E8E0;
      --text-main: #1A1A1A;
      --text-muted: #5C6B63;
      --text-light: #A8B5AD;
      --shadow-sm: 0 4px 16px rgba(11, 59, 36, 0.06);
      --shadow-hover: 0 8px 24px rgba(11, 59, 36, 0.12);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tag: 6px;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-mono: "Inter", "DIN Alternate", "Roboto Mono", monospace;
      --transition-smooth: all 0.25s ease;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-warm);
      color: var(--text-main);
      line-height: 1.8;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, .font-heading {
      font-family: var(--font-sans);
      letter-spacing: -0.02em;
    }

    .font-mono-numbers {
      font-family: var(--font-mono);
      font-weight: 700;
    }

    /* 容器微调 */
    .container-custom {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 16px;
      padding-right: 16px;
    }

    /* 按钮体系 */
    .btn-primary-orange {
      background-color: var(--accent-orange);
      border: none;
      color: white;
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 12px 28px;
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(241, 90, 36, 0.25);
    }
    .btn-primary-orange:hover {
      background-color: var(--accent-orange-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(241, 90, 36, 0.35);
      color: white;
    }
    .btn-outline-green {
      background: transparent;
      border: 2px solid var(--primary-deepgreen);
      color: var(--primary-deepgreen);
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 10px 26px;
      transition: var(--transition-smooth);
    }
    .btn-outline-green:hover {
      background-color: rgba(11, 59, 36, 0.05);
      border-color: var(--primary-deepgreen);
      color: var(--primary-deepgreen);
      transform: translateY(-2px);
    }
    .btn-white-outline {
      background: transparent;
      border: 2px solid white;
      color: white;
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 10px 26px;
      transition: var(--transition-smooth);
    }
    .btn-white-outline:hover {
      background-color: rgba(255,255,255,0.15);
      color: white;
    }

    /* 导航栏 */
    .navbar-custom {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(8px);
      box-shadow: 0 2px 12px rgba(0,0,0,0.04);
      padding: 0;
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    .logo-text {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--primary-deepgreen);
      display: flex;
      align-items: center;
      gap: 6px;
      text-decoration: none;
    }
    .logo-text i {
      color: var(--accent-orange);
      font-size: 2rem;
    }
    .channel-row {
      display: flex;
      gap: 2rem;
      overflow-x: auto;
      white-space: nowrap;
      padding: 10px 0;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .channel-row::-webkit-scrollbar {
      display: none;
    }
    .channel-link {
      color: var(--primary-deepgreen);
      font-weight: 500;
      text-decoration: none;
      padding-bottom: 6px;
      border-bottom: 3px solid transparent;
      transition: var(--transition-smooth);
      font-size: 1rem;
    }
    .channel-link:hover,
    .channel-link.active {
      border-bottom-color: var(--accent-orange);
      color: var(--accent-orange);
      font-weight: 600;
    }
    @media (max-width: 576px) {
      .channel-row {
        gap: 1.2rem;
      }
      .logo-text {
        font-size: 1.5rem;
      }
    }

    /* Hero */
    .hero-section {
      background: linear-gradient(135deg, #0B3B24 0%, #051E12 100%);
      position: relative;
      overflow: hidden;
      padding: 60px 0;
      color: white;
    }
    .hero-bg-pattern {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
      background-size: 30px 30px;
      opacity: 0.3;
    }
    .hero-live-card {
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(12px);
      border-radius: 20px;
      padding: 28px;
      border: 1px solid rgba(255,255,255,0.2);
      box-shadow: 0 20px 35px rgba(0,0,0,0.3);
    }
    .match-team {
      font-size: 1.2rem;
      font-weight: 600;
    }
    .score-number {
      font-family: var(--font-mono);
      font-size: 3.2rem;
      font-weight: 700;
      color: var(--highlight-yellow);
      line-height: 1;
    }
    .live-badge {
      background: var(--accent-orange);
      color: white;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
      0% { opacity: 1; }
      50% { opacity: 0.6; }
      100% { opacity: 1; }
    }

    /* 区块标题 */
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--primary-deepgreen);
      margin-bottom: 1rem;
    }

    /* 实时数据卡 */
    .stat-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 24px 20px;
      text-align: center;
      border-bottom: 4px solid var(--accent-orange);
      box-shadow: var(--shadow-sm);
      transition: var(--transition-smooth);
    }
    .stat-number {
      font-family: var(--font-mono);
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--accent-orange);
    }

    /* 功能矩阵卡片 */
    .feature-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-card);
      padding: 28px 22px;
      transition: var(--transition-smooth);
      box-shadow: var(--shadow-sm);
    }
    .feature-card:hover {
      transform: translateY(-5px);
      border-color: var(--accent-orange);
      box-shadow: var(--shadow-hover);
    }

    /* 场景卡片 */
    .scenario-card {
      background: #F4F7F5;
      border-radius: var(--radius-card);
      padding: 0 0 20px;
      overflow: hidden;
      border: none;
      transition: var(--transition-smooth);
    }
    .scenario-img-placeholder {
      height: 180px;
      background-color: #dce5e0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-deepgreen);
      font-size: 2rem;
    }

    /* 价格卡片 */
    .pricing-card {
      background: white;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-card);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }
    .pricing-card.popular {
      border: 2px solid var(--accent-orange);
      box-shadow: var(--shadow-hover);
    }
    .badge-popular {
      background: var(--highlight-yellow);
      color: #1A1A1A;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 20px;
      font-size: 0.8rem;
      position: absolute;
      top: -12px;
      right: 20px;
    }

    /* FAQ */
    .accordion-button:not(.collapsed) {
      background-color: rgba(11,59,36,0.04);
      color: var(--primary-deepgreen);
      font-weight: 600;
      box-shadow: none;
      border-left: 4px solid var(--accent-orange);
    }
    .accordion-button:focus {
      box-shadow: none;
      border-color: var(--accent-orange);
    }

    /* 页脚 */
    .footer-dark {
      background: #051E12;
      color: #B0C5B8;
    }

    @media (max-width: 768px) {
      .score-number {
        font-size: 2.5rem;
      }
      .hero-live-card {
        padding: 20px;
      }
    }