/* roulang page: index */
:root {
      --primary: #00DC82;
      --primary-hover: #10B981;
      --bg-canvas: #0B0E14;
      --surface: #121721;
      --surface-hover: #18202E;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --border-color: rgba(255, 255, 255, 0.08);
      --warn: #F43F5E;
      --cyber: #8B5CF6;
    }
    * {
      box-sizing: border-box;
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-canvas);
      color: var(--text-main);
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 4px;
      width: 4px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.2);
      border-radius: 4px;
    }
    .grid-bg {
      background-image: radial-gradient(rgba(0, 220, 130, 0.08) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .glow-box {
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    }