/* roulang page: index */
:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent-coral: #f43f5e;
      --accent-cyan: #06b6d4;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .custom-gradient-bg {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.92) 0%, rgba(99, 102, 241, 0.85) 100%);
    }
    .hero-mask {
      background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.72) 50%, rgba(15, 23, 42, 0.4) 100%);
    }
    .card-shadow {
      box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.06);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      border-width: 1px;
    }