/* roulang page: index */
:root {
      --pitch: #0B111E;
      --midnight: #0F172A;
      --emerald: #059669;
      --gold: #D97706;
      --canvas: #F8FAFC;
      --border-subtle: #E2E8F0;
      --border-dark: #1E293B;
      --text-main: #0F172A;
      --text-sub: #475569;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--canvas);
      line-height: 1.75;
      overflow-x: hidden;
    }
    .custom-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(11, 17, 30, 0.94) 0%, rgba(15, 23, 42, 0.88) 100%), url('/assets/images/71ef9beba491a6c3.webp') center/cover no-repeat;
    }
    .sub-hero-badge {
      backdrop-filter: blur(8px);
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .sports-card {
      transition: all 0.28s ease;
      box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    }
    .sports-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.12);
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .faq-item.active .faq-content {
      max-height: 280px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }
    .glow-border {
      border: 1px solid rgba(5, 150, 105, 0.25);
    }
    .glow-border:hover {
      border-color: rgba(5, 150, 105, 0.8);
    }