/* roulang page: index */
:root {
      --bg-dark: #070B14;
      --bg-surface: #0D1527;
      --bg-card: rgba(17, 28, 53, 0.65);
      --brand-blue: #0066FF;
      --brand-cyan: #00F2FE;
      --brand-orange: #FF5500;
      --text-white: #FFFFFF;
      --text-muted: #94A3B8;
      --border-glass: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-white);
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 242, 254, 0.35);
      box-shadow: 0 10px 30px rgba(0, 102, 255, 0.15);
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #0066FF 0%, #00F2FE 100%);
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
      transition: all 0.3s ease;
    }
    .glow-btn-primary:hover {
      transform: scale(1.03);
      box-shadow: 0 0 30px rgba(0, 242, 254, 0.55);
    }
    .glow-btn-orange {
      background: linear-gradient(135deg, #FF5500 0%, #FF8800 100%);
      box-shadow: 0 0 20px rgba(255, 85, 0, 0.35);
      transition: all 0.3s ease;
    }
    .glow-btn-orange:hover {
      transform: scale(1.03);
      box-shadow: 0 0 30px rgba(255, 85, 0, 0.55);
    }
    .text-gradient-cyan {
      background: linear-gradient(135deg, #FFFFFF 30%, #00F2FE 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .text-gradient-blue {
      background: linear-gradient(135deg, #0066FF 0%, #00F2FE 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    /* 隐藏原生滚动条 */
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }