/* roulang page: index */
:root {
      --primary-color: #1A56DB;
      --primary-hover: #1447B8;
      --secondary-color: #00A896;
      --dark-navy: #0B1329;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-subtle: #E2E8F0;
    }

    body {
      color: var(--text-main);
      background-color: var(--bg-light);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }

    .glass-nav {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .card-hover {
      transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    }

    .gradient-badge {
      background: linear-gradient(135deg, rgba(26, 86, 219, 0.08) 0%, rgba(0, 168, 150, 0.08) 100%);
      border: 1px solid rgba(26, 86, 219, 0.16);
    }

    /* Custom Scrollbar */
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #f1f5f9;
    }
    ::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }