/* roulang page: index */
:root {
      --primary: #7C3AED;
      --accent: #06B6D4;
      --bg-dark: #0B0F19;
      --card-dark: #111827;
      --border-dark: #1F2937;
    }
    body {
      background-color: var(--bg-dark);
      color: #D1D5DB;
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      overflow-x: hidden;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #374151;
      border-radius: 9999px;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(124, 58, 237, 0.22) 0%, rgba(6, 182, 212, 0.08) 40%, transparent 70%);
    }
    .card-hover-fx {
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      border-color: rgba(124, 58, 237, 0.45);
      box-shadow: 0 12px 30px -10px rgba(124, 58, 237, 0.2);
    }