/* roulang page: index */
:root {
      --brand-red: #FF2A42;
      --brand-cyan: #00F2FE;
      --bg-dark: #0B0E14;
      --bg-surface: #121721;
      --bg-card: #181F2C;
      --text-main: #F8FAFC;
      --text-sub: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, sans-serif;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    .text-glow-red {
      text-shadow: 0 0 20px rgba(255, 42, 66, 0.45);
    }
    .text-glow-cyan {
      text-shadow: 0 0 15px rgba(0, 242, 254, 0.35);
    }
    .card-border {
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-border:hover {
      border-color: rgba(255, 42, 66, 0.4);
      transform: translateY(-2px);
      box-shadow: 0 12px 30px -10px rgba(255, 42, 66, 0.15);
    }
    .tech-border-cyan:hover {
      border-color: rgba(0, 242, 254, 0.4);
      box-shadow: 0 12px 30px -10px rgba(0, 242, 254, 0.15);
    }
    details > summary::-webkit-details-marker {
      display: none;
    }