px改为rem

assets/scss/mobileCommon.scss

@@ -20,9 +20,9 @@
       position: relative;
       i {
         position: absolute;
-        right: -13px;
+        right: -.13rem;
         font-size: .4rem;
-        bottom: 46px;
+        bottom: .46rem;
       }
     }
     .mobile-modal-content {