body{font-family:Arial;margin:0;background:#f5f7fa}
header{background:#0a3d62;color:#fff;padding:15px;text-align:center}
.container{width:90%;max-width:1000px;margin:auto}
.card{background:#fff;padding:15px;margin:15px 0;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1)}
h1,h2{color:#0a3d62}
.btn{display:inline-block;background:#e84118;color:#fff;padding:10px 15px;border-radius:5px;text-decoration:none;margin:5px}
.footer{text-align:center;padding:15px;background:#0a3d62;color:#fff}