/* roulang page: index */
:root {
      --primary: #059669;
      --accent: #facc15;
      --bg-dark: #0f172a;
      --text-main: #0f172a;
      --text-muted: #475569;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
    }
    .court-grid-pattern {
      background-image: radial-gradient(rgba(250, 204, 21, 0.15) 1px, transparent 1px), radial-gradient(rgba(5, 150, 105, 0.1) 1px, transparent 1px);
      background-size: 24px 24px;
      background-position: 0 0, 12px 12px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }