/* roulang page: index */
:root {
      --primary-dark: #0f172a;
      --accent-gold: #f59e0b;
      --accent-blue: #4f46e5;
      --surface-light: #f8fafc;
      --text-main: #1e293b;
      --text-sub: #64748b;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
      overflow-x: hidden;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(2, 6, 23, 0.97) 100%), url('/assets/images/f969948e8da93d5a.jpg') center/cover no-repeat;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 4px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }