body{font-family:Arial,Helvetica,sans-serif;margin:0;padding:0;background:#f3f4f6;color:#111827}.container{max-width:1200px;margin:0 auto;padding:2rem;text-align:center}h1{margin-bottom:2rem;color:#111827}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:1.5rem}.card{background:#fff;border-radius:10px;padding:1rem;box-shadow:0 2px 6px #0000001a}.card h2{margin-bottom:1rem;font-size:1.2rem}