fix sku image preview

src/pages/product/ProductDetail.vue

@@ -86,6 +86,8 @@
 		height="min(80vh, 48rem)"
 		left-button-text="关闭"
 		right-button-text=""
+		:z-index="skuDetailPopupZIndex"
+		:overlay-props="{ zIndex: skuDetailPopupZIndex - 1 }"
 		@left-button-click="closeSkuDetail"
 	>
 		<div v-if="selectedSku" class="sku-popup">
@@ -156,6 +158,7 @@ const product = ref<Product>();
 const isLoading = ref(false);
 const selectedSku = ref<ProductSku>();
 const skuDetailVisible = ref(false);
+const skuDetailPopupZIndex = 1000;
 const attachmentItemList = computed<PhotoItem[]>(() => (product.value?.attachmentList || [])
 	.filter(item => !!item.id)
 	.map(item => ({