/* roulang page: index */
:root {
      --brand-primary: #0F2438;
      --brand-accent: #00A8A8;
      --brand-amber: #F2994A;
      --brand-bg: #F5F8FA;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background-color: var(--brand-bg);
      color: #4A5568;
      overflow-x: hidden;
      line-height: 1.7;
    }
    .video-hero-overlay {
      background: linear-gradient(135deg, rgba(11, 25, 38, 0.94) 0%, rgba(15, 36, 56, 0.88) 55%, rgba(0, 168, 168, 0.45) 100%);
    }
    .card-glow-border {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      border: 1px solid rgba(226, 232, 240, 0.9);
    }
    .card-glow-border:hover {
      border-color: rgba(0, 168, 168, 0.45);
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 36, 56, 0.12);
    }
    .badge-capsule {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.25rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.02em;
    }
    .glass-dark {
      background: rgba(11, 25, 38, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }