/* roulang page: index */
:root {
      --brand-navy: #0f2744;
      --brand-deep: #1e3a8a;
      --brand-dark: #070f1e;
      --teal-mint: #0d9488;
      --teal-light: #10b981;
      --slate-base: #f8fafc;
      --slate-soft: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--slate-base);
      -webkit-font-smoothing: antialiased;
    }
    .custom-card {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
      transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 24px -6px rgba(15, 39, 68, 0.08), 0 8px 12px -4px rgba(15, 39, 68, 0.04);
      border-color: rgba(13, 148, 136, 0.35);
    }
    .hero-banner {
      background: linear-gradient(135deg, rgba(15, 39, 68, 0.92) 0%, rgba(7, 15, 30, 0.94) 100%), url('/assets/images/61ab99ae960ccb1f.webp') center/cover no-repeat;
    }
    .stats-strip {
      background: linear-gradient(90deg, #0f2744 0%, #1e3a8a 100%);
    }
