:root {
      color-scheme: light;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      padding: 2.5rem 1.25rem;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: #ffffff;
      color: #111827;
    }
    main {
      max-width: 820px;
      margin: 0 auto;
    }
    h1 {
      font-size: 1.9rem;
      margin-bottom: 0.25rem;
    }
    h2 {
      font-size: 1.2rem;
      margin-top: 1.5rem;
      margin-bottom: 0.4rem;
    }
    p {
      margin: 0.3rem 0 0.7rem;
      line-height: 1.5;
      font-size: 0.93rem;
    }
    ul {
      margin: 0.1rem 0 0.9rem;
      padding-left: 1.1rem;
      font-size: 0.9rem;
      line-height: 1.6;
    }
    header {
      border-bottom: 2px solid #e5e7eb;
      padding-bottom: 0.75rem;
      margin-bottom: 1.25rem;
    }
    .meta {
      font-size: 0.85rem;
      color: #6b7280;
    }
    @media print {
      body {
        padding: 1.5cm 1.5cm 1.5cm 1.5cm;
      }
      a {
        color: inherit;
        text-decoration: none;
      }
    }