调整扫码样式

src/pages/index/index.scss

@@ -7,6 +7,12 @@
     width: 460px;
     height: 460px;
     margin: 238px auto 168px;
+    border-radius: 50%;
+    box-shadow: #dae2fb 0 0 32px;
+    overflow: hidden;
+    &:active {
+      box-shadow: #6180f4 0 0 32px;
+    }
     image {
       position: absolute;
       background-color: #fff;