/* roulang page: index */
:root {
      --primary-color: #5D3EBC;
      --neon-cyan: #00E5FF;
      --bg-dark: #0B0D13;
      --bg-card: #131722;
      --border-dark: #1F2638;
      --text-main: #F8F9FC;
      --text-muted: #8E9AA8;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .neon-glow {
      box-shadow: 0 0 25px -5px rgba(0, 229, 255, 0.3);
    }
    .purple-glow {
      box-shadow: 0 0 35px -5px rgba(93, 62, 188, 0.4);
    }
    .glass-panel {
      background: rgba(19, 23, 34, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-bg {
      background: linear-gradient(180deg, rgba(11, 13, 19, 0.82) 0%, rgba(11, 13, 19, 0.96) 100%), url('/assets/images/6146ae20a4b27924.jpg') center/cover no-repeat;
    }
    .showcase-bg {
      background: linear-gradient(180deg, rgba(11, 13, 19, 0.9) 0%, rgba(11, 13, 19, 0.95) 100%), url('/assets/images/d6122accd0da62c8.webp') center/cover fixed;
    }
    details summary::-webkit-details-marker {
      display: none;
    }