/* roulang page: index */
:root {
      --bg-dark: #0B0C10;
      --bg-dark-sec: #13151B;
      --bg-card: #1B1E27;
      --c-purple: #8B5CF6;
      --c-pink: #EC4899;
      --c-cyan: #06B6D4;
      --text-white: #FFFFFF;
      --text-gray: #D1D5DB;
      --text-muted: #9CA3AF;
      --border-glow: rgba(255, 255, 255, 0.1);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-gray);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    .neon-border {
      border: 1px solid var(--border-glow);
      backdrop-filter: blur(12px);
    }
    .neon-border-hover:hover {
      border-color: rgba(139, 92, 246, 0.5);
      box-shadow: 0 0 25px rgba(139, 92, 246, 0.3);
      transform: translateY(-2px);
    }
    .gradient-hero-mask {
      background: linear-gradient(180deg, rgba(11, 12, 16, 0.5) 0%, rgba(11, 12, 16, 0.95) 75%, #0B0C10 100%);
    }
    .card-glow-pink {
      box-shadow: 0 10px 30px -10px rgba(236, 72, 153, 0.25);
    }
    .glow-btn {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glow-btn:hover {
      box-shadow: 0 0 25px rgba(139, 92, 246, 0.6);
      transform: translateY(-2px);
    }
    .glow-btn-pink:hover {
      box-shadow: 0 0 25px rgba(236, 72, 153, 0.6);
      transform: translateY(-2px);
    }