style(merch/detail): 添加::v-deep修饰器修复样式穿透问题

修复uni-app中样式无法作用到子组件标签的问题，通过::v-deep正确穿透组件作用域

pages_promotion/merch/detail.vue

@@ -329,7 +329,7 @@ export default {
 @import './public/css/list.scss';
 </style>
 <style scoped>
->>>.uni-tag--primary.uni-tag--inverted {
+::v-deep .uni-tag--primary.uni-tag--inverted {
 	background-color: #f5f5f5 !important;
 }