/* roulang page: index */
:root {
      --primary-color: #0284c7;
      --primary-dark: #0369a1;
      --bg-page: #f8fafc;
      --card-border: #e2e8f0;
    }
    body {
      background-color: var(--bg-page);
      color: #334155;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .custom-shadow {
      box-shadow: 0 10px 25px -5px rgba(2, 132, 199, 0.08), 0 8px 10px -6px rgba(2, 132, 199, 0.04);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 10%, #e0effe 0%, #f8fafc 75%);
    }