/* roulang page: index */
:root {
      --primary: #0284C7;
      --primary-dark: #0F172A;
      --accent: #F97316;
      --bg-light: #F8FAFC;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(2, 132, 199, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(2, 132, 199, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    }