/* roulang page: index */
:root {
      --primary-bg: #0D1117;
      --card-bg: #161B22;
      --accent-color: #00F5A0;
      --accent-alt: #10B981;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--primary-bg);
      color: var(--text-main);
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
      overflow-x: hidden;
    }
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #0d1117;
    }
    ::-webkit-scrollbar-thumb {
      background: #232d3d;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #00f5a0;
    }
    .neon-border {
      border: 1px solid rgba(0, 245, 160, 0.2);
      box-shadow: 0 0 15px rgba(0, 245, 160, 0.05);
    }
    .neon-border:hover {
      border-color: rgba(0, 245, 160, 0.6);
      box-shadow: 0 0 25px rgba(0, 245, 160, 0.15);
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 20%, rgba(0, 245, 160, 0.15) 0%, rgba(13, 17, 23, 0) 70%);
    }
    :focus-visible {
      outline: 2px solid #00F5A0;
      outline-offset: 2px;
    }