/* roulang page: index */
:root {
      --primary: #6366F1;
      --primary-hover: #4F46E5;
      --neon-cyan: #06B6D4;
      --accent-coral: #F43F5E;
      --accent-coral-hover: #E11D48;
      --text-main: #0F172A;
      --text-muted: #475569;
      --bg-page: #F8FAFC;
      --bg-surface: #FFFFFF;
      --border-soft: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-page);
      -webkit-font-smoothing: antialiased;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, rgba(248, 250, 252, 0) 100%);
    }
    .custom-card-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
    }
    .custom-card-shadow:hover {
      box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    }