/* roulang page: index */
:root {
      --color-brand-dark: #0B1528;
      --color-brand-teal: #0D9488;
      --color-brand-amber: #D97706;
      --color-slate-surface: #0F172A;
      --color-bg-base: #F8FAFC;
    }
    body {
      background-color: var(--color-bg-base);
      color: #1E293B;
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(11, 21, 40, 0.94) 0%, rgba(15, 23, 42, 0.96) 100%), url('/assets/images/8c40bc5d885460d1.jpg') center/cover no-repeat;
    }
    .stats-pattern {
      background: linear-gradient(180deg, #0B1528 0%, #111E36 100%);
    }
    details summary::-webkit-details-marker {
      display: none;
    }