style(mobile/pages/promotion/editing): 修改：勤策移动端_促销计划新增编辑左侧 label 的文字宽度

src/views/mobile/pages/cp_activity/promotion/plan/editing/index.vue

@@ -596,7 +596,7 @@ const confirm = (value) => {
     }
 
     /* 左侧文字宽度 */
-    --van-field-label-width: 100px !important;
+    --van-field-label-width: 120px !important;
 
     .custom-input {
       display: flex;