There are ellipsis when a single line exceeds the hidden, and there is an ellipsis when multiple lines exceed the hidden

There is an ellipsis when a single line exceeds the hidden:

//不换行
white-space: nowrap;
//超出隐藏
overflow: hidden;
//超出部分用...代替
text-overflow: ellipsis;

Multiple lines beyond the hidden ellipsis:

display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 3;
overflow: hidden;
text-overflow: ellipsis;