.banner {
  width: 100%;
  height: 20.8vw !important; ;
  background: url(../img/bg_22.png) no-repeat;
  background-size: cover;
  background-position: 50% center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.banner .f80 {
  font-size: 56px;
  color: #fff;
  font-family: 'AtAeroMedium';
}
.list_1 {
  padding: 60px 0 100px;
}
.list_1 .centent {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.list_1 .centent .nav {
  width: 100%;
  height: 60px;
  background-color: #fff;
  display: flex;
  align-items: center;
  border-radius: 20px;
  overflow: auto;
}
.list_1 .centent .nav .item {
  cursor: pointer;
  min-width: 60px;
  width: fit-content;
  text-align: center;
  height: 100%;
  line-height: 60px;
  font-size: 16px;
  margin: 0 30px;
  box-sizing: border-box;
  font-family: 'Regular';
  flex-shrink: 0;
}
.list_1 .centent .nav .item.art {
  color: #19C76B;
  border-bottom: 3px solid #19C76B;
}
.list_1 .centent .list {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
  /* flex-wrap: wrap; */
  /* justify-content: space-between; */
  margin-top: 30px;
}
.list_1 .centent .list .item {
  /* width: 32%; */
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  /* margin-bottom: 30px; */
  cursor: pointer;
}

.list_1 .centent .list .item .image {
  /* height: 290px; */
  width: 100%;
  overflow: hidden;
}
.list_1 .centent .list .item .image img {
  height: 100%;
}
.list_1 .centent .list .item .text {
  width: 100%;
  padding: 30px;
  box-sizing: border-box;
}
.list_1 .centent .list .item .text .f20 {
  font-size: 20px;
  font-family: 'Regular';
  height: 50px;
  line-height: 25px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-top: 10px;
}
.list_1 .centent .list .item .text .f14 {
  color: #999;
  margin: 30px 0 0px;
  font-size: 16px;
  font-family: 'Regular';
}
.list_1 .centent .list .item .text div {
  width: fit-content;
  font-size: 16px;
  color: #000;
  padding: 2px 10px;
  background-color: #eee;
  border-radius: 5px;
  font-family: 'Regular';
}
.list_1 .centent .list .item:hover .image img {
  transform: scale(1.2);
  transition: all 1s;
}
.list_1 .centent .lists {
  margin-top: 20px;
  display: flex;
  align-items: center;
  height: 20px;
}
.list_1 .centent .lists img {
  width: 20px;
  height: 20px;
  margin: 0 15px;
}
.list_1 .centent .lists .item {
  margin: 0 5px;
  font-size: 20px;
  color: #999;
  cursor: pointer;
  font-family: 'Regular';
  align-items: center;
  display: flex;
}
.list_1 .centent .lists .item.art,
.list_1 .centent .lists .item:hover {
  color: #19C76B;
}
@media screen and (max-width: 1280px){
  .banner .f80{
    font-size: 40px;
  }
  .list_1 .centent .list .item .text {
    padding: 2.34vw;
  }
  .list_1 .centent .list .item .text .f20{
    font-size: 1.56vw;
    margin-top: .78vw;
    
  }
  .list_1 .centent .list .item .text .f14{
    margin: 2.24vw 0 0;
  }
  .list_1 .centent .list .item .text .f14,
  .list_1 .centent .list .item .text div{
    font-size: 1.25vw;
  }
}

@media screen and (max-width: 768px){
  .banner{
    height: 33vw!important;
  }
  .banner .f80{
    font-size: 30px;
  }
  .list_1{
    padding-top: 50px;
  }
  .list_1 .centent{
    width: 100%;
  }
  .list_1 .centent .nav{
    overflow-x: auto;
    position: sticky;
    top: 60px;
    z-index: 11;
  }
  .list_1 .centent .list{
    /* flex-direction: column; */
    grid-template-columns: repeat(2,1fr);
    gap:2vw;
    width: 90%;
  
  }
  .list_1 .centent .nav {
    padding: 0 5px;
  }
  .list_1 .centent .nav .item{
    width: auto;
    flex-shrink: 0;
    margin: 0 10px;
  }

  .list_1 .centent .list .item .text{
    padding: 15px 5%;
  }

  .list_1 .centent .list .item .text .f20{
    font-size: 2.8vw;
    line-height: 1.5;
    height: auto;
  }
  .list_1 .centent .list .item .text .f14,
  .list_1 .centent .list .item .text div{
    font-size:2.66vw;
  }
}

@media screen and (max-width: 400px){
  .list_1 .centent .list{
    /* flex-direction: column; */
    grid-template-columns: repeat(1,1fr);
  
  }
}