body{margin:0;background:#efefef;font-family:Arial,sans-serif}header{background:#111;color:#fff;text-align:center;padding:40px 20px}.price{color:#20c05c;font-size:48px;font-weight:bold}.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:1100px;margin:20px auto}.gallery img{width:100%;border-radius:10px}.card{max-width:1100px;margin:20px auto;background:#fff;padding:24px;border-radius:12px}.btn{display:inline-block;background:#0d6efd;color:#fff;text-decoration:none;padding:12px 18px;border-radius:8px}