/* roulang page: index */
:root {
      --bg-dark: #0B1311;
      --card-dark: #111D1A;
      --border-dark: #1E332D;
      --jade-green: #00DC82;
      --emerald-green: #10B981;
    }
    body {
      background-color: var(--bg-dark);
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    .grid-pattern {
      background-size: 32px 32px;
      background-image: linear-gradient(to right, rgba(0, 220, 130, 0.05) 1px, transparent 1px),
                        linear-gradient(to bottom, rgba(0, 220, 130, 0.05) 1px, transparent 1px);
    }
    .glow-effect {
      box-shadow: 0 0 25px -5px rgba(0, 220, 130, 0.25);
    }