- img: {img1},
+ img: img1,
Запись img: {img1}
, равна img: { img1: '... image content ...' }
.<div className='region__top__cards'>
{product.map((product) => (
<Cards key={product.title} title={product.title} img={product.img} price={product.price} oldprice={product.oldPrice} rate={product.rate}/>
)}
</div>