/* roulang page: index */
:root {
      --primary: #00E676;
      --primary-dark: #00C853;
      --secondary: #00B0FF;
      --bg-dark: #0A0E17;
      --card-dark: #111827;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --border-glow: rgba(0, 230, 118, 0.15);
    }
    body {
      background-color: var(--bg-dark);
      color: #E2E8F0;
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(0, 230, 118, 0.12) 0%, rgba(0, 176, 255, 0.05) 50%, transparent 80%);
    }
    .glass-card {
      background: rgba(17, 24, 39, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .glass-card:hover {
      border-color: rgba(0, 230, 118, 0.4);
      box-shadow: 0 10px 30px -10px rgba(0, 230, 118, 0.2);
    }
    .grid-pattern {
      background-size: 32px 32px;
      background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    }
    .custom-gradient-text {
      background: linear-gradient(135deg, #FFFFFF 30%, #00E676 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }