/* roulang page: index */
:root {
      --bg-dark: #0a0b10;
      --card-dark: #12141c;
      --cyan-bright: #00f2fe;
      --purple-glow: #9d4edd;
      --crimson-alert: #ff3366;
    }
    body {
      background-color: var(--bg-dark);
      color: #f8fafc;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #00f2fe 0%, #9d4edd 50%, #ff3366 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .badge-gradient {
      background: linear-gradient(90deg, rgba(0, 242, 254, 0.15) 0%, rgba(157, 78, 221, 0.15) 100%);
      border: 1px solid rgba(0, 242, 254, 0.3);
    }
    .card-border {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border:hover {
      border-color: rgba(0, 242, 254, 0.35);
      transform: translateY(-3px);
      box-shadow: 0 12px 30px -10px rgba(0, 242, 254, 0.15);
    }
    .mesh-grid {
      background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .glow-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      box-shadow: 0 0 10px #00f2fe;
    }