修改样式

src/pages/main/DetailsPage.vue

@@ -260,7 +260,8 @@ export default {
       margin: 17px auto 0;
     }
     @media only screen and (min-width: 415px) and (max-width: 767px) {
-      margin: 15px auto 0;
+      margin: 12px auto 0;
+      width: 30px;
     }
   }
 }