update 通知公告显示优化

web-react/src/assets/style/default/lib/visibility.less

@@ -21,26 +21,25 @@
   display: flex;
 }
 .ellipsis {
+  display: block;
   overflow: hidden;
 
   white-space: nowrap;
   text-overflow: ellipsis;
 }
-.ellipsis-2 {
+.ellipsis-line(@line) {
   display: -webkit-box;
   overflow: hidden;
   -webkit-box-orient: vertical;
 
   text-overflow: ellipsis;
+  word-break: break-all;
 
-  -webkit-line-clamp: 2;
+  -webkit-line-clamp: @line;
+}
+.ellipsis-2 {
+  .ellipsis-line(2);
 }
 .ellipsis-3 {
-  display: -webkit-box;
-  overflow: hidden;
-  -webkit-box-orient: vertical;
-
-  text-overflow: ellipsis;
-
-  -webkit-line-clamp: 3;
+  .ellipsis-line(3);
 }