/* roulang page: index */
:root {
      --primary: #0f172a;
      --accent: #059669;
      --accent-glow: #10b981;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    .tabular-numbers {
      font-variant-numeric: tabular-nums;
    }
    .laser-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.375rem;
      padding: 0.25rem 0.625rem;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      border-radius: 9999px;
      background: rgba(5, 150, 105, 0.1);
      color: #059669;
      border: 1px solid rgba(5, 150, 105, 0.2);
    }
    .laser-dot {
      width: 0.45rem;
      height: 0.45rem;
      border-radius: 9999px;
      background-color: #10b981;
      box-shadow: 0 0 8px #10b981;
      animation: pulse-glow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulse-glow {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }
    .grid-industrial {
      background-size: 24px 24px;
      background-image: linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
                        linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
    }
    details summary::-webkit-details-marker {
      display: none;
    }