fix(商品详情): fix 产品列表flex在低版本ios中高度无法确定

@@ -79,8 +79,13 @@ export default {
 <style lang="scss" scoped>
   .brand-product-list .scroll-view {
     background: #f5f5f5;
-    height: 100%;
+    height: auto;
     overflow: auto;
     -webkit-overflow-scrolling: touch;
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
   }
 </style>