filter

 <template>
-    <div class="top-box clearfix">
+    <div class="top-box clearfix" v-bind:class='{"top-box-left" : this.$parent.$refs.drawer.on}'>
         <span class="icon back" @click="goBack()">&#xe606;</span>
         <div class="right">
             <span v-if="shareData.isFav" class="icon" @click="collectShop()">&#xe60d;</span>
@@ -41,6 +41,10 @@
             }
         }
     }
+
+    .top-box-left {
+        left: -655px;
+    }
 </style>
 
 <script>