/* roulang page: index */
:root {
      --bg-dark: #0B0E14;
      --card-dark: #131722;
      --card-alt: #1A202C;
      --brand-green: #00E599;
      --brand-orange: #FF5C00;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --border-subtle: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: #E2E8F0;
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', sans-serif;
      overflow-x: hidden;
    }
    .neon-border {
      border: 1px solid var(--border-subtle);
      transition: all 0.3s ease;
    }
    .neon-border:hover {
      border-color: rgba(0, 229, 153, 0.4);
      box-shadow: 0 0 20px rgba(0, 229, 153, 0.12);
    }
    .glow-tag {
      background: rgba(0, 229, 153, 0.1);
      border: 1px solid rgba(0, 229, 153, 0.3);
      color: #00E599;
    }
    .radar-grid {
      background-image: radial-gradient(rgba(0, 229, 153, 0.08) 1px, transparent 0);
      background-size: 24px 24px;
    }
    .hero-banner-mask {
      background: linear-gradient(180deg, rgba(11, 14, 20, 0.75) 0%, rgba(11, 14, 20, 0.95) 100%);
    }