.an_box{
  width:100%;
  height:400px;
  background: url(anbg.png) no-repeat;
  margin-top:40px;
  position: relative;
}
.an{

  margin:0 auto;
  height:100%;
}
.an_smtext{
  width:450px;
  text-align: center;
  font-weight: 500;
  color:#f6f2f2;
  font-size:16px;
  margin: 0 auto;
  margin-top: -28px;
}
/* 原来样式 */
/* .an_ul{
  width:1200px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  position: absolute;
  bottom:6px;
} */
.an_ul{
  width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
 
    margin-top: 3rem;
}
.an_ul li{
  width:19%;
  display: flex;
  flex-wrap:wrap;
  justify-content: space-around;
  align-items: center;
}
.an_ul li img{
  width:100%;
  height:190px;
  object-fit: cover;
}
.an_tit{
  width:100%;
  height:60px;
  background: #f0f0f0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  color:#333;
  font-weight: 500;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin:0;
}
.navtive_a{
  display: block;
  margin:0 auto;
  background: #df5050;
  color:#fff;
  width:120px;
  height:35px;
  display: flex;
  justify-content:space-around;
  align-items: center;
  margin-top: 370px;
}