/* roulang page: index */
:root {
      --primary: #0f172a;
      --accent: #0284c7;
      --accent-hover: #0369a1;
      --laser-green: #10b981;
      --surface-dark: #0b0f17;
      --border-subtle: #e2e8f0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #f8fafc;
      overflow-x: hidden;
    }
    .text-tight {
      letter-spacing: -0.025em;
    }
    .badge-laser {
      background: rgba(16, 185, 129, 0.1);
      color: #059669;
      border: 1px solid rgba(16, 185, 129, 0.25);
    }
    .badge-tech {
      background: rgba(2, 132, 199, 0.08);
      color: #0284c7;
      border: 1px solid rgba(2, 132, 199, 0.2);
    }