refactor: 优化购物车与订单页面逻辑

- 更新购物车页面，增强商品展示与交互体验。
- 调整订单页面的状态反馈与用户操作逻辑，确保信息清晰。
- 改进组件样式与布局，提升整体用户体验。
- 修复多个页面中的样式与功能问题，确保一致性与流畅性。

pages/order/afterSales/afterSalesDetail.vue

@@ -159,7 +159,7 @@
       title="申请原因"
       @confirm="reasonSelectConfirm"
     ></u-picker>
-    <u-toast ref="uToast" />
+    <u-toast ref="toastRef" />
   </view>
 </template>
 
@@ -186,7 +186,7 @@ const sku = ref<any>({})
 const reasonSelectShow = ref(false)
 const reasonList = ref<any[]>([])
 const applyInfo = ref<any>({})
-const uToast = ref<any>(null)
+const toastRef = ref<any>(null)
 const isAppointmentAfterSale = ref(false)
 
 const form = reactive({
@@ -335,8 +335,8 @@ function onUploadAfterRead(event: any) {
 
 function showToast(message: string, type = 'error') {
   const text = message || (type === 'success' ? '操作成功' : '操作失败')
-  if (uToast.value) {
-    uToast.value.show({ message: text, type })
+  if (toastRef.value) {
+    toastRef.value.show({ message: text, type })
     return
   }
   uni.showToast({

pages/order/afterSales/afterSalesDetailExpress.vue

@@ -69,7 +69,7 @@
       @confirm="onTimeConfirm"
       @close="timeshow = false"
     />
-    <u-toast ref="uToast"/>
+    <u-toast ref="toastRef"/>
   </view>
 </template>
 
@@ -96,7 +96,7 @@ const form = reactive({
 })
 const serviceDetail = reactive<{ sn: string }>({ sn: '' })
 const sku = ref<any>({})
-const uToast = ref<any>(null)
+const toastRef = ref<any>(null)
 
 onLoad((options) => {
   sku.value = storage.getAfterSaleData()
@@ -136,15 +136,15 @@ function onSubmit() {
   delete submitForm.courierCompany
 
   if (form.logisticsId == '') {
-    uToast.value?.show({ title: '请选择快递公司', type: 'error' })
+    toastRef.value?.show({ title: '请选择快递公司', type: 'error' })
     return
   }
   if (form.logisticsNo == '') {
-    uToast.value?.show({ title: '请填写快递单号', type: 'error' })
+    toastRef.value?.show({ title: '请填写快递单号', type: 'error' })
     return
   }
   if (form.mDeliverTime == '') {
-    uToast.value?.show({ title: '请选择发货时间', type: 'error' })
+    toastRef.value?.show({ title: '请选择发货时间', type: 'error' })
     return
   }
 
@@ -152,7 +152,7 @@ function onSubmit() {
   fillShipInfo(serviceDetail.sn, submitForm).then((res) => {
     hideLoadingIfNeeded()
     if (res.statusCode === 200) {
-      uToast.value?.show({
+      toastRef.value?.show({
         title: '提交成功',
         type: 'success',
         back: true,