body{margin:0;font-family:Arial,sans-serif;background:#f4f6f8}.container{display:flex;justify-content:center;align-items:center;min-height:100vh}.card{background:#fff;padding:40px;border-radius:16px;box-shadow:0 10px 30px #0000001a;text-align:center}h1{margin-bottom:10px}p{margin-bottom:8px}