/* roulang page: index */
:root {
      --primary: #1F2421;
      --accent: #FF6B00;
      --accent-hover: #e05e00;
      --text-main: #0F172A;
      --text-muted: #475569;
      --bg-light: #F8F9FA;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      -webkit-font-smoothing: antialiased;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 16px 32px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
      transform: translateY(-3px);
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(31, 36, 33, 0.88) 100%);
    }
    .dark-slate-pattern {
      background-color: #111827;
      background-image: radial-gradient(rgba(255, 107, 0, 0.08) 1px, transparent 0);
      background-size: 24px 24px;
    }