/* roulang page: index */
:root {
      --primary: #0A192F;
      --secondary: #0D1B2A;
      --accent-green: #10B981;
      --accent-gold: #F59E0B;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-sub: #475569;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    .num-font {
      font-family: 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;
      font-variant-numeric: tabular-nums;
    }
    .hero-clip {
      clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    }
    @media (max-width: 768px) {
      .hero-clip {
        clip-path: none;
      }
    }
    .glow-box:hover {
      box-shadow: 0 12px 30px -8px rgba(16, 185, 129, 0.18);
    }