设置灰度调整

src/components/Banner/ModeChange/index.less

@@ -24,12 +24,12 @@
       .oper{
         margin: 20px 30px;
         .fade{
-          opacity: .6;
+          opacity: .4;
         }
       }
       .explain{
         margin: 50px 30px;
-        opacity: .6;
+        opacity: .5;
         p{
           font-size: 12px;
           line-height: 20px;