feat: 完成首页修改

miniprogram/pages/home/home.ts

@@ -145,6 +145,7 @@ Page({
         activeTab: 'all',
         ageBands: [] as HomeAgeBandView[],
         activeAgeBand: '3-4' as AgeBandKey,
+        heroSwiperCurrent: 0,
         featuredItems: SKELETON_FEATURED,
         hotRecommends: SKELETON_HOT,
         sections: [] as HomeDisplaySectionView[],
@@ -197,6 +198,10 @@ Page({
 
     // ── Tab & Navigation ──
 
+    onHeroSwiperChange(e: WechatMiniprogram.SwiperChange) {
+        this.setData({ heroSwiperCurrent: e.detail.current });
+    },
+
     onTabChange(e: WechatMiniprogram.CustomEvent) {
         const id = e.detail.id as string | undefined;
         if (!id) return;