/* roulang page: index */
:root {
      --brand-navy: #0E2A47;
      --brand-dark: #091E34;
      --brand-amber: #F59E0B;
      --brand-emerald: #10B981;
      --brand-slate: #F8FAFC;
      --brand-border: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #1E293B;
      background-color: #FFFFFF;
      line-height: 1.6;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(245, 158, 11, 0.15), transparent 70%);
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(14, 42, 71, 0.06);
    }
    .custom-shadow-lg {
      box-shadow: 0 10px 30px -4px rgba(14, 42, 71, 0.1);
    }
    .accordion-content {
      transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
    }