html{font-size:18px}body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.75;color:#203344;background:#f5f7fa;margin:0}header,main,footer{max-width:820px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #cfd8e3}header span,.meta,footer{font-size:.85rem;color:#526777}h1{font-size:2rem;line-height:1.25}h2{font-size:1.25rem;margin-top:1.7em}p{overflow-wrap:anywhere}a{color:#154f8b}a:focus{outline:3px solid #db8a21}.notice{padding:16px;border-left:4px solid #ca8325;background:#fff5e3;font-size:.85rem}.card{background:white;padding:8px 24px 20px;border:1px solid #d8e1ea;border-radius:10px;margin:20px 0}.lead{font-size:1.1rem}.boundary{font: .8rem ui-monospace,monospace;border-top:1px solid #d8e1ea;padding-top:15px}footer{border-top:1px solid #cfd8e3}@media(max-width:600px){header{display:block}header span{display:block}h1{font-size:1.6rem}header,main,footer{padding:18px}}