refactor(share): 更新分享标题和内容

- 将"云上商店"改为"网宿小店"作为分享标题的一部分
-优化商品详情页的分享逻辑- 调整订单确认页的样式
- 移除购物车页面的冗余代码

src/shop/goodsDetail/index.tsx

@@ -22,7 +22,7 @@ const GoodsDetail = () => {
   const [skus, setSkus] = useState<ShopGoodsSku[]>([]);
   const [showSpecSelector, setShowSpecSelector] = useState(false);
   const [specAction, setSpecAction] = useState<'cart' | 'buy'>('cart');
-  const [selectedSku, setSelectedSku] = useState<ShopGoodsSku | null>(null);
+  // const [selectedSku, setSelectedSku] = useState<ShopGoodsSku | null>(null);
   const [loading, setLoading] = useState(false);
   const router = Taro.getCurrentInstance().router;
   const goodsId = router?.params?.id;
@@ -83,7 +83,7 @@ const GoodsDetail = () => {
 
   // 规格选择确认回调
   const handleSpecConfirm = (sku: ShopGoodsSku, quantity: number, action: 'cart' | 'buy') => {
-    setSelectedSku(sku);
+    // setSelectedSku(sku);
     setShowSpecSelector(false);
 
     if (action === 'cart') {
@@ -180,7 +180,7 @@ const GoodsDetail = () => {
   // 分享到朋友圈
   useShareTimeline(() => {
     return {
-      title: `${goods?.name || '精选商品'} - 云上商店`,
+      title: `${goods?.name || '精选商品'} - 网宿小店`,
       path: `/shop/goodsDetail/index?id=${goodsId}`,
       imageUrl: goods?.image
     };