:root{font-family:system-ui,"Segoe UI",sans-serif;background:#f7f9fb;color:#182d3c}body{margin:0;line-height:1.7}main,nav,footer div{max-width:800px;margin:auto;padding:0 22px}nav{display:flex;gap:24px;flex-wrap:wrap}header{background:#15324c;padding:20px}header a{color:white}main{padding-top:35px;padding-bottom:48px}a{color:#135e96}h1,h2{line-height:1.25}h1{font-size:2.2rem}.card{background:white;border:1px solid #d4e1eb;border-radius:10px;padding:24px;margin:22px 0}.warning{background:#fff1d6;padding:12px;border-radius:6px;font-weight:600}footer{border-top:1px solid #cad6df;padding:20px 0}.minor{color:#496477;font-size:.92rem}li{margin:8px 0}@media(max-width:600px){h1{font-size:1.7rem}.card{padding:15px}}