/* roulang page: index */
:root {
      --bg-dark: #08161E;
      --bg-deep: #0E2A38;
      --color-accent: #00D2A0;
      --color-gold: #FFB400;
      --text-main: #0B1924;
      --text-body: #3A4D59;
      --text-muted: #6E8290;
      --bg-light: #F5F8FA;
    }
    body {
      color: var(--text-body);
      background-color: #FFFFFF;
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
      overflow-x: hidden;
      line-height: 1.75;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(0, 210, 160, 0.15) 0%, rgba(14, 42, 56, 0.95) 75%);
    }
    .card-border-glow:hover {
      border-color: rgba(0, 210, 160, 0.5);
      box-shadow: 0 10px 25px -5px rgba(0, 210, 160, 0.15);
    }
    details summary::-webkit-details-marker {
      display: none;
    }