/* roulang page: index */
:root {
      --primary-green: #10B981;
      --accent-orange: #FF6B00;
      --bg-dark: #0A0F1D;
      --bg-surface: #111827;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      font-family: var(--font-stack);
      background-color: #0A0F1D;
      color: #F8FAFC;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    .neon-border-green {
      box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
      border-color: rgba(16, 185, 129, 0.35);
    }
    .neon-border-green:hover {
      box-shadow: 0 0 28px rgba(16, 185, 129, 0.3);
      border-color: rgba(16, 185, 129, 0.6);
    }
    .glass-nav {
      background: rgba(10, 15, 29, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .glow-bg-radial {
      background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.15), transparent 70%);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
    }