:root{font-family:system-ui,sans-serif;color:#193429;background:#f3f5f2;line-height:1.75}
*{box-sizing:border-box}body{margin:0}main{max-width:880px;margin:auto;padding:24px 20px 48px}
nav{display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between;margin-bottom:24px}
a{color:#245d43;text-underline-offset:4px}a:focus-visible{outline:2px solid #245d43;outline-offset:5px}
article{background:white;padding:clamp(18px,4vw,40px);border:1px solid #d8e3dc;border-radius:16px}
pre{font:inherit;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}footer{font-size:12px;overflow-wrap:anywhere;margin-top:24px}
@media print{nav{display:none}main{padding:0;max-width:none}article{border:0;padding:0}body{background:white}}