body {
      font-family: Arial, Helvetica, sans-serif;
      line-height: 1.6;
      max-width: 860px;
      margin: 0 auto;
      padding: 32px 20px 48px;
      color: #222;
      background: #fff;
    }
    h1, h2 {
      line-height: 1.25;
    }
    h1 {
      margin-bottom: 0.25rem;
    }
    h2 {
      margin-top: 2rem;
      margin-bottom: 0.6rem;
    }
    p, ul {
      margin-top: 0.6rem;
      margin-bottom: 0.9rem;
    }
    ul {
      padding-left: 1.4rem;
    }
    a {
      color: #0a58ca;
    }
    .updated {
      color: #666;
      margin-top: 0;
    }
    .operator {
      margin-top: 2.5rem;
      color: #666;
      font-size: 0.95rem;
    }