README.style.html #1

<style>
  :root {
    color: #1f2933;
    background: #eef3f6;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
  }

  body {
    box-sizing: border-box;
    max-width: 58rem;
    margin: 2.5rem auto;
    padding: 3rem clamp(1.5rem, 5vw, 4.5rem);
    background: #ffffff;
    border-top: 5px solid #4b778d;
    box-shadow: 0 0.75rem 2.5rem rgb(31 41 51 / 12%);
  }

  h1, h2 {
    color: #173f52;
    line-height: 1.2;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #d6e1e6;
  }

  h1 { margin-top: 0; font-size: 2rem; }
  h2 { margin-top: 2rem; font-size: 1.4rem; }
  a, a:visited { color: #0d6b85; }
  a:hover { color: #a74725; }

  code {
    padding: 0.1em 0.3em;
    background: #edf2f4;
    border-radius: 3px;
    color: #173f52;
  }

  pre {
    padding: 1rem 1.2rem;
    overflow-x: auto;
    background: #edf2f4;
    border-left: 4px solid #4b778d;
    border-radius: 4px;
  }

  pre code {
    padding: 0;
    background: transparent;
    color: #1f2933;
  }

  @media (max-width: 600px) {
    body { margin: 0; padding: 1.5rem; box-shadow: none; }
    h1 { font-size: 1.7rem; }
  }

  @media print {
    :root { background: #ffffff; }
    body {
      max-width: none;
      margin: 0;
      padding: 0;
      border: 0;
      box-shadow: none;
    }
    pre { white-space: pre-wrap; overflow-wrap: anywhere; }
  }
</style>