/* roulang page: index */
:root {
      --bg-base: #0B0F12;
      --bg-surface: #12181F;
      --bg-card: #182029;
      --color-primary: #00F5A0;
      --color-secondary: #00D8F6;
      --color-warning: #FFB800;
      --text-main: #F1F5F9;
      --text-muted: #94A3B8;
      --border-line: rgba(148, 163, 184, 0.12);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .neon-glow {
      box-shadow: 0 0 25px rgba(0, 245, 160, 0.25);
    }
    .card-hover-fx {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 245, 160, 0.35);
      box-shadow: 0 12px 30px -10px rgba(0, 245, 160, 0.15);
    }
    .grid-lines {
      background-size: 40px 40px;
      background-image: 
        linear-gradient(to right, rgba(148, 163, 184, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
    }
    details summary::-webkit-details-marker {
      display: none;
    }