body{font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;background:#f6f7fb;color:#222;margin:0;display:flex;align-items:center;justify-content:center;height:100vh}
.card{max-width:720px;padding:28px;border-radius:12px;background:#fff;box-shadow:0 8px 30px rgba(20,30,50,.08);text-align:center}
h1{margin:0 0 8px;font-size:28px}
p{margin:0 0 16px;color:#555}
a{color:#0b66ff;text-decoration:none}