* {
  margin: 0;
  padding: 0;
}
.container {
  width: 100%;
  min-height: 350px;
}
.clearfix {
  width: 100%;
  display: flex;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
}
.common {
  width: 120px;
  float: left;
  
}
.ul {
  width: 100%;
  position: relative;
  overflow-x: hidden;
  min-height: 300px;
}
.bottom_content {
  width: 500%;
  display: flex;
  transition: all 0.5s ease;
  position: absolute;
  top: 0;
  left: 0%;
}
.body_1 {
  width: 100%;
  text-align: center;
  font-size: 14px;
  color: red;
}
.liactive a{
  border-bottom: 2px solid #d90000;
   color: #d90000; 
   border-bottom-color: #d90000; 
}

@media all and (min-width:1024px){/*1366 * 768*/
.body_1 li{
float: left;
border-bottom: 1px solid #d9d9d9; 
width: 33.3%;
}
}
@media all and (max-width:720px){/*1366 * 768*/
.body_1 li{
float: left;
border-bottom: 1px solid #d9d9d9; 
width: 100%;
}
}
.body_1 .Date{
margin-bottom: 5px; 
font-size: 14px; 
 line-height: 24px;
}
.body_1 h2{
font-size: 18px;
line-height: 24px;
white-space: nowrap;
text-overflow: ellipsis;
overflow: hidden;
color: #1a1a1a;

}
.body_1 .desc{
  font-size: 14px; 
  display: -webkit-box;
  height: 48px; 
  line-height: 24px;
  -o-text-overflow: ellipsis;
   text-overflow: ellipsis;
   overflow: hidden; 
   -webkit-box-orient: vertical;
   -webkit-line-clamp: 2;
}