input背景透明，兼容支付宝扫一扫

src/common/Input.vue

@@ -52,6 +52,7 @@
       outline-color: invert;
       padding-left: 0.1rem;
       box-sizing: border-box;
+      background: transparent;
     }
     .change{
       border-color:  #4F50FF;

src/common/MultiLineInput.vue

@@ -89,7 +89,8 @@ export default {
       border: 0 none;
       border-bottom: 1px solid #b0afaf !important;
       border-radius: 0;
-      background-color: #fff;
+      // background-color: #fff;
+      background: transparent;
       outline-color: invert;
       height: .36rem;
       line-height: .36rem;