lxm--看板视图默认卡片模式，支持无缝模式--fix3

src/crm-core/components/app-layout/app-layout.less

@@ -147,7 +147,7 @@ body {
 
 // 看板视图，卡片模式
 .crm-app-view.appportalview,.crm-app-view.deportalview,.crm-app-view.deportalview9{
-  >.crm-app-view-content-wrapper .view-content-wrapper{
+  >.crm-app-view-content-wrapper>.view-content-wrapper{
     background: #efefef;
   }
   .dashboard .ivu-row:nth-child(2){
@@ -166,11 +166,12 @@ body {
         margin-bottom: 12px;
         height: calc(100% - 24px);
       }
+    }
   }
 }
 // 看板视图，无缝模式
 .crm-app-view.appportalview.seamless-mode,.crm-app-view.deportalview.seamless-mode,.crm-app-view.deportalview9.seamless-mode{
-  >.crm-app-view-content-wrapper .view-content-wrapper{
+  >.crm-app-view-content-wrapper>.view-content-wrapper{
     background: transparent;
   }
   .dashboard .ivu-row:nth-child(2){