新增微信绑定页面

pages/mobile/wechat/index.vue

@@ -196,7 +196,7 @@
         position: absolute;
         left: 50%;
         top: 50%;
-        transform: translate3d(-50%, -50%, 0);
+        margin: -0.8rem 0 0 -0.8rem;
         img {
           width: 1.6rem;
           height: 1.6rem;