按钮样式--兼容ios 和 Android

@CONTROL/工具栏/CONTROL.less.ftl

@@ -43,10 +43,9 @@
 }
 .fab_container{
   width: 60px;
-  position: fixed;
-  right: 1vh;
-  bottom: 7vh;
-
+  position: absolute;
+  bottom: 4px;
+  right: 16px;
   .bottom_menu{
     width: 60px;
     height: 70px;