.title{
  background-color: #edf2f6;
  line-height: 90px;
  color: #222223;
  font-size: 26px;
  font-weight: 500;
  padding-left: 160px;
}
.content{
  width: 1200px;
  margin:30px auto;
  min-height: 300px;
  overflow: hidden;
}
.hall_item{
  float: left;
  width: 386px;
  margin-right: 20px;
  margin-bottom: 20px;
}
.hall_item:nth-child(3n){
  margin-right: 0;
}
.hall_item_img{
  width: 100%;
  height: 220px;
  overflow: hidden;
}
.hall_item_img img:hover{
  transform: scale(1.2); 
}
.hall_item_img img{
  width: 100%;
  height: 100%;
  transition: all 0.6s;  
}
.hall_item_title{
  text-align: center;
  line-height: 16px;
  font-size: 16px;
  height: 50px;
  margin-top: 6px;
}
.hall_item_content{
  width: 100%;
  height: 53px;
  font-size: 14px;
  color: #666;
  overflow: hidden;
  line-height: 2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;
}