тут очень много с карточкой товара и импортом.

views/catalog/product.php

@@ -62,7 +62,14 @@ $mainImage = $product['main_image_path'] ?? '';
                             <?php endif; ?>
                             <span data-dynamic-package-price data-base-package-price="<?= e((string) $variant['package_price']) ?>"><?= e(money_label($variant['package_price'])) ?></span>
                         </b>
-                        <button class="add-to-cart-button" type="button">В корзину</button>
+                        <div class="product-card-actions">
+                            <div class="quantity-stepper" data-quantity-control aria-label="Количество фасовок">
+                                <button type="button" data-quantity-minus aria-label="Уменьшить количество">-</button>
+                                <input data-quantity-input type="text" inputmode="numeric" value="1" aria-label="Количество">
+                                <button type="button" data-quantity-plus aria-label="Увеличить количество">+</button>
+                            </div>
+                            <button class="add-to-cart-button" type="button">В корзину</button>
+                        </div>
                     </div>
                 <?php endforeach; ?>
             </section>