body { font-family: Arial, sans-serif; margin:0; padding:0; }
header { background:#007BFF; color:#fff; padding:20px; text-align:center; }
nav a { color:#fff; margin:0 10px; text-decoration:none; }
.product-grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap:20px; padding:20px; }
.product-card { border:1px solid #ddd; padding:10px; position:relative; text-align:center; }
.product-card img { width:100%; height:150px; object-fit:cover; }
.new-tag { position:absolute; top:5px; left:5px; background:red; color:#fff; padding:2px 6px; font-size:12px; }