/* roulang page: index */
:root {
      --primary: #0F4C3A;
      --primary-light: #176B54;
      --accent: #CCFF00;
      --dark-base: #0A1813;
      --surface: #F7FAF8;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--surface);
      color: #1F2937;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .court-gradient {
      background: linear-gradient(135deg, #0F4C3A 0%, #176B54 100%);
    }
    .court-dark-gradient {
      background: linear-gradient(145deg, #0A1813 0%, #0F3327 100%);
    }
    .glass-nav {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      background-color: rgba(255, 255, 255, 0.92);
    }
    .code-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .code-scroll::-webkit-scrollbar-thumb {
      background: #1e3a30;
      border-radius: 3px;
    }