/* roulang page: index */
:root {
      --primary-color: #0284c7;
      --navy-dark: #0f172a;
      --navy-deep: #0b0f19;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-soft: #e2e8f0;
      --bg-card: #ffffff;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
      overflow-x: hidden;
    }
    .hero-bg {
      background-image: linear-gradient(135deg, rgba(11, 15, 25, 0.94) 0%, rgba(15, 23, 42, 0.88) 100%), url('/assets/images/7978c46fafbda266.webp');
      background-size: cover;
      background-position: center;
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background-color: #cbd5e1;
      border-radius: 4px;
    }
    .pulse-dot {
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse-ring 2s infinite cubic-bezier(0.45, 0, 0.2, 1);
    }
    @keyframes pulse-ring {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }