body{margin:0;font-family:Arial;background:#f2f2f2}header{background:#111;color:#fff;text-align:center;padding:45px}.price{font-size:54px;color:#19b45a;font-weight:bold}.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;max-width:920px;margin:20px auto}.gallery img{width:100%;height:220px;object-fit:cover;border-radius:10px}.card{max-width:920px;margin:22px auto;background:#fff;padding:24px;border-radius:12px}.btn{display:inline-block;background:#0d6efd;color:#fff;padding:12px 22px;text-decoration:none;border-radius:8px}