body{margin:0;background:#f4f6f9;color:#172437;font:17px/1.65 system-ui,sans-serif}header,main,footer{max-width:900px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px}nav{display:flex;gap:18px;flex-wrap:wrap}a{color:#174b9d}main{background:white;border:1px solid #dce3ed;border-radius:16px;padding:36px;box-sizing:border-box}h1{font-size:2rem;line-height:1.25}h2{font-size:1.25rem;margin-top:30px}.brand{font-size:1.3rem;font-weight:750;text-decoration:none}.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:#58697f}.lead{font-size:1.15rem;color:#42536a}footer{color:#58697f;font-size:.85rem}code{overflow-wrap:anywhere}@media(max-width:620px){header{display:block}nav{margin-top:12px}main{border-radius:0;padding:22px}h1{font-size:1.65rem}}