html,body{height:100%;margin:0}
body{display:flex;align-items:center;justify-content:center;background:#f5f6f8;color:#111827;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;text-align:center}
main{padding:24px}
h1{font-size:40px;margin:16px 0 8px;color:#1e40af}
p{font-size:24px;margin:4px 0;color:#4b5563}