:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#173d43;background:#f3f6f6;line-height:1.8}body{margin:0}main{max-width:800px;margin:6vh auto;padding:32px;background:white;border:1px solid #dce5e5;border-radius:16px}h1{font-size:clamp(28px,5vw,42px);line-height:1.3}h2{font-size:22px}.eyebrow{font-size:12px;letter-spacing:.18em}a{color:#156b75}.start{display:inline-block;padding:12px 22px;border-radius:8px;background:#156b75;color:white;text-decoration:none;font-weight:600}footer{border-top:1px solid #dce5e5;margin-top:32px;padding-top:12px;font-size:14px}code{overflow-wrap:anywhere}li{margin-bottom:8px}@media(max-width:850px){main{margin:16px;padding:24px}}