body{margin:0;font-family:Arial,sans-serif;background:#f3f5f7;display:flex;align-items:center;justify-content:center;height:100vh}
.card{background:#fff;padding:40px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12);max-width:650px;text-align:center}
h1{color:#1f2937}p{color:#4b5563;line-height:1.6}.small{margin-top:20px;font-size:.9em;color:#6b7280}