Fix：5173 【商城小程序】首页甄选好礼的轮播，长时间熄屏再打开，首页甄选好礼的轮播会异常卡顿，目前发现有这个现象的机型：iPhone XR、iPhone 16Pro

(cherry picked from commit b4b6fed1ab)

pages/home/index.vue

@@ -200,7 +200,7 @@
           <view class="new-zone-wrap">
             <image @click="toNewZone" class="bg-img" :src="newZone.indexBackgroundImage" mode="aspectFit|aspectFill|widthFix" lazy-load="false"></image>
             <view class="swiper-wrap-zx v12-mt-2">
-                <swiper :autoplay="swiperInstances.newZone" @change="changeIndex"  :current="currentIndex" next-margin="40rpx" previous-margin="80rpx" circular style="width: 100%;height: 400rpx;" interval="3000" :duration="500" @animationfinish="bindSwiperInstance($event, 'newZone')">
+                <swiper :key="newZoneSwiperKey" :autoplay="swiperInstances.newZone" @change="changeIndex"  :current="currentIndex" next-margin="40rpx" previous-margin="80rpx" circular style="width: 100%;height: 400rpx;" interval="3000" :duration="500" @animationfinish="bindSwiperInstance($event, 'newZone')">
                   <swiper-item v-for="(item, index) in newZone.indexProducts" :key="index" class="s-item" :class="{'n-actived': currentIndex !== index}">
                     <view class="zx-item" @click="toNewZone">
                       <image :src="item.productImage" style="width: 192rpx; height: 192rpx; border-radius:10rpx"></image>
@@ -476,6 +476,8 @@ export default {
       keywordIndex: 0,
       shareData: {},
       currentIndex: 0,
+      newZoneSwiperKey: 0,
+      newZoneResumeTimer: null,
       // 轮播组件实例
       swiperInstances: {
         productSwiper: true,
@@ -542,17 +544,33 @@ export default {
     },
     // 页面显示时恢复轮播
     pageToShowHandle() {
-      // 恢复所有轮播组件的自动播放
+      // 恢复所有轮播组件的自动播放，甄选好礼轮播先停后启，避免 iOS 熄屏恢复后卡顿
+      if (this.newZoneResumeTimer) {
+        clearTimeout(this.newZoneResumeTimer)
+        this.newZoneResumeTimer = null
+      }
       this.swiperInstances = {
         productSwiper: true,
         homestay: true,
         banner: true,
         festival: true,
-        newZone: true,
+        newZone: false,
       }
+      this.currentIndex = 0
+      this.newZoneSwiperKey += 1
+      this.$nextTick(() => {
+        this.newZoneResumeTimer = setTimeout(() => {
+          this.swiperInstances.newZone = true
+          this.newZoneResumeTimer = null
+        }, 120)
+      })
     },
     // 页面隐藏时暂停轮播
     pageToHideHandle() {
+      if (this.newZoneResumeTimer) {
+        clearTimeout(this.newZoneResumeTimer)
+        this.newZoneResumeTimer = null
+      }
       this.swiperInstances = {
         productSwiper: false,
         homestay: false,
@@ -565,6 +583,12 @@ export default {
     bindSwiperInstance(e, key) {
       // this.swiperInstances[key] = e.detail
     },
+    resetNewZoneCurrentIndex() {
+      const products = (this.newZone && this.newZone.indexProducts) || []
+      if (!products.length || this.currentIndex >= products.length) {
+        this.currentIndex = 0
+      }
+    },
     changeRecommendKeyword(e) {
       this.keywordIndex = e
     },
@@ -1458,6 +1482,7 @@ export default {
           _this.$set(_this, 'contentHomestay', data.contentHomestayV2 || [])
           _this.$set(_this, 'contentFestival', data.contentFestivalV2 || [])
           _this.$set(_this, 'newZone', data.newGoods || [])
+          _this.resetNewZoneCurrentIndex()
           _this.$set(_this, 'hasExperienceCoupon', data.hasExperienceCoupon || 0)
           _this.$set(_this, 'hasUnusedExperienceCoupon', data.hasUnusedExperienceCoupon || 0)
           _this.$set(_this, 'experienceCouponImage', data.experienceCouponImage || '')
@@ -1508,6 +1533,7 @@ export default {
           this.$set(this, 'contentHomestay', data.contentHomestayV2 || [])
           this.$set(this, 'contentFestival', data.contentFestivalV2 || [])
           this.$set(this, 'newZone', data.newGoods || [])
+          this.resetNewZoneCurrentIndex()
           this.$set(this, 'hasExperienceCoupon', data.hasExperienceCoupon || 0)
           this.$set(this, 'hasUnusedExperienceCoupon', data.hasUnusedExperienceCoupon || 0)
           this.$set(this, 'experienceCouponImage', data.experienceCouponImage || '')