/* Bound portrait photos without stretching or cropping them. */
.product-item.product-item-list .product-item-photo img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 360px;
    margin-inline: auto;
}
/* Keep the existing 80% scale, anchored to the product title. */
@media (min-width: 768px) {
    .product-item.product-item-list .product-item-photo {
        margin-top: 0.5rem;
        align-self: flex-start;
    }
    .product-item.product-item-list .product-item-photo img {
        transform-origin: center top;
    }
}