body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f6f8}.container{max-width:900px;margin:60px auto;text-align:center}h1{color:#c62828}.card{background:#fff;padding:30px;margin-top:30px;border-radius:10px;box-shadow:0 10px 25px #00000014}footer{margin-top:50px;color:#777;font-size:14px}