/* roulang page: index */
:root {
      --primary: #6366F1;
      --primary-hover: #4F46E5;
      --bg-light: #F8F9FC;
      --text-main: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      font-family: PingFang SC, Hiragino Sans GB, "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(99, 102, 241, 0.15) 0%, rgba(248, 249, 252, 0) 70%);
    }
    .dark-glow {
      background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.25) 0%, rgba(12, 14, 20, 0) 70%);
    }
    .badge-blur {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }