/* roulang page: index */
:root {
      --bg-dark: #0A0F1D;
      --bg-darker: #070B16;
      --bg-card: rgba(16, 26, 54, 0.7);
      --cyan-neon: #00F0FF;
      --purple-neon: #7928CA;
      --green-neon: #10B981;
      --text-main: #F1F5F9;
      --text-muted: #94A3B8;
      --border-glass: rgba(0, 240, 255, 0.18);
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
    }
    .glass-panel:hover {
      border-color: rgba(0, 240, 255, 0.4);
    }
    .glow-cyan {
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.35);
    }
    .glow-purple {
      box-shadow: 0 0 25px rgba(121, 40, 202, 0.35);
    }
    .text-glow-cyan {
      text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
      background: #0A0F1D;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #1E293B;
      border-radius: 3px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #00F0FF;
    }
    .hero-bg {
      background: linear-gradient(180deg, rgba(10, 15, 29, 0.82) 0%, #0A0F1D 100%), url('/assets/images/2888cbf3a7927d32.webp');
      background-size: cover;
      background-position: center;
    }