body{font-family:tahoma;background:#f4f6f9;margin:0;line-height:1.8}
header{background:#1e293b;color:#fff;text-align:center;padding:60px 20px}
.btn{background:#22c55e;color:#fff;padding:12px 20px;text-decoration:none;border-radius:8px}
section{max-width:1100px;margin:auto;padding:40px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.1)}
.card a{display:inline-block;margin-top:10px;background:#2563eb;color:#fff;padding:8px 15px;text-decoration:none;border-radius:6px}
footer{background:#111827;color:#fff;text-align:center;padding:20px}