/* roulang page: index */
:root {
      --primary-color: #059669;
      --accent-color: #0284c7;
      --dark-surface: #0b1120;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      overflow-x: hidden;
      color: #334155;
    }
    .grid-pattern {
      background-image: radial-gradient(rgba(16, 185, 129, 0.12) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .custom-card {
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }
    .custom-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px -10px rgba(15, 23, 42, 0.08);
      border-color: #059669;
    }