/* roulang page: index */
:root {
      --brand-dark: #0A192F;
      --brand-blue: #0284C7;
      --brand-amber: #F59E0B;
      --surface-bg: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--surface-bg);
      color: #1E293B;
    }
    .custom-shadow {
      box-shadow: 0 10px 25px -5px rgba(10, 25, 47, 0.06), 0 8px 10px -6px rgba(10, 25, 47, 0.04);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(2, 132, 199, 0.18) 0%, rgba(10, 25, 47, 0) 70%);
    }