/* roulang page: index */
:root {
      --primary: #0B252C;
      --primary-dark: #07181D;
      --accent: #E07A5F;
      --accent-teal: #2A9D8F;
      --bg-slate: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(11, 37, 44, 0.08), 0 4px 10px -2px rgba(11, 37, 44, 0.03);
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(7, 24, 29, 0.94) 0%, rgba(11, 37, 44, 0.88) 100%);
    }
    details summary::-webkit-details-marker {
      display: none;
    }