合并线上代码 -- viewed by liangzhifeng

@@ -140,15 +140,6 @@ $basicBtnC:#eb0313;
         margin:pxToRem(30px) pxToRem(72px);
         overflow: hidden;
     }
-    .banner-top-single{
-        width: 100%;
-        height:pxToRem(600px);
-        img {
-           display: block;
-           height: 100%;
-           width: 100%;
-        }
-    }
     .banner-top {
         // width: 100%;
         min-height: 660rem / $pxConvertRem;