.banner {
  width: 100%;
  height: 20.8vw !important; ;
  background: url(../img/bg_21.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: 80px 0;
}
.list_1 .centent {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.list_1 .centent .f40 {
  font-size: 40px;
  font-family: "AtAeroMedium";
}
.list_1 .centent > .f20 {
  margin: 20px 0 40px;
  font-family: 'Regular';
  text-align: center;
}
.list_1 .centent .list {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.list_1 .centent .list .item {
  width: 32%;
  background-color: #fff;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
}
.list_1 .centent .list .item .image {
  width: 100%;
  overflow: hidden;
}
.list_1 .centent .list .item .image img {
}
.list_1 .centent .list .item .text {
  width: 100%;
  padding: 30px;
  box-sizing: border-box;
}
.list_1 .centent .list .item .text .f20 {
  height: 56px;
  line-height: 28px;
  font-size: 20px;
  font-family: 'Regular';
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  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';
  transform: translateX(-3px);
}
.list_1 .centent .list .item:hover .image img {
  transform: scale(1.2);
  transition: all 1s;
}
.list_1 .centent .btn {
  width: 130px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background-color: #000;
  font-size: 16px;
  border-radius: 20px;
  margin-top: 30px;
  cursor: pointer;
  font-family: 'Regular';
}
.list_2 {
  padding: 80px 0 150px;
}
.list_2 .centent {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.list_2 .centent .f40 {
  font-size: 40px;
  font-family: "AtAeroMedium";
}
.list_2 .centent > .f20 {
  margin: 20px 0 40px;
  font-family: 'Regular';
  text-align: center;
}
.list_2 .centent .list {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.list_2 .centent .list  .bgimg{
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  transition: all .3s;
}
.list_2 .centent .list .left:hover .bgimg,
.list_2 .centent .list .right .top:hover .bgimg,
.list_2 .centent .list .right .bottom .item:hover .bgimg{

  width: 120%;
  height: 120%;
}
.list_2 .centent .list .left {
  width: 49%;
  padding-bottom:51% ;
  height: 0;
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  display: block;
}

.list_2 .centent .list .right {
  width: 49%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}
.list_2 .centent .list .right .top {
  width: 100%;
  height: 0;
  padding-bottom: 50%;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}
.list_2 .centent .list .right .bottom {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.list_2 .centent .list .right .bottom .item {
  width: 48%;
  height: 0;
  padding-bottom: 50%;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}
.list_2 .centent .list .left .box,
.list_2 .centent .list .right .top .box ,
.list_2 .centent .list .right .bottom .box {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(255, 225, 225, 0) 60%, rgba(0, 0, 0, 0.5));
  display: flex;
  align-items: flex-end;
}
.list_2 .centent .list .left .box .text ,
.list_2 .centent .list .right .top .box .text,
.list_2 .centent .list .right .bottom .box .text {
  color: #fff;
  padding:0 2vw 2vw 2vw;
  width: 100%;
  box-sizing: border-box;
}
.list_2 .centent .list .left .box .text .f20 ,
.list_2 .centent .list .right .top .box .text .f20 ,
.list_2 .centent .list .right .bottom .box .text .f20 {
  width: 100%;
  font-size: 20px;
  font-family: 'Regular';
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.list_2 .centent .list .left .box .text .f14,
.list_2 .centent .list .right .top .box .text .f14,
.list_2 .centent .list .right .bottom .box .text .f14 {
  margin: 10px 0 0;
  font-size: 16px;
  font-family: 'Regular';
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.list_2 .centent .list .left .box .text div,
.list_2 .centent .list .right .top .box .text div,
.list_2 .centent .list .right .bottom .box .text div {
  margin-top: 10px;
  width: fit-content;
  font-size: 14px;
  padding: 2px 10px;
  background-color: #eee;
  border: 1px solid #ccc;
  border-radius: 5px;
  color: #000;
  font-family: 'Regular';
}

.list_2 .centent .btn {
  width: 130px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background-color: #000;
  font-size: 16px;
  border-radius: 20px;
  margin-top: 50px;
  cursor: pointer;
  font-family: 'Regular';
}

@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;
    
  }
  .list_1 .centent .list .item .text .f14{
    margin: 2.24vw 0 .78vw;
  }
  .list_1 .centent .list .item .text .f14,
  .list_1 .centent .list .item .text div{
    font-size: 1.25vw;
  }
  .list_2 .centent .list .left .box .text .f20 ,
  .list_2 .centent .list .right .top .box .text .f20 ,
  .list_2 .centent .list .right .bottom .box .text .f20 {
    font-size: 14px;
  }
  .list_2 .centent .list .left .box .text .f14,
  .list_2 .centent .list .right .top .box .text .f14,
  .list_2 .centent .list .right .bottom .box .text .f14{
    font-size: 12px;
  }
  .list_2 .centent .list .left .box .text div,
  .list_2 .centent .list .right .top .box .text div,
  .list_2 .centent .list .right .bottom .box .text div {
    font-size: 12px;
  }
}
@media screen and (max-width: 768px){
  .banner{
    height: 33vw!important;
  }
  .banner .f80{
    font-size: 30px;
  }
  .list_1{
    padding: 10vw 0 13vw;
  }
  .list_1 .centent{
    width: 90%;
  }
  .list_1 .centent .f40,.list_2 .centent .f40{
    font-size: 30px;
  }
  .list_1 .centent > .f20,.list_2 .centent > .f20{
    font-size: 16px;
    margin:15px 0 20px;
    max-width: 66vw;
  }
  .list_1 .centent .list{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap:2vw;
  }
  .list_1 .centent .list .item{
    border-radius: 10px;
    width: 100%;
    margin-bottom: 10px;
  }
  .list_1 .centent .list .item .image{
    height: auto;
  }
  .list_1 .centent .list .item .image img{
    width: 100%;
    height: auto;
  }
  .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;
  }
  .list_1 .centent .btn,.list_2 .centent .btn{
    margin-top: 5.7vw;
    height: 32px;
  }
  .list_2{
    padding-top: 0px;
    padding-bottom: 13vw;
  }
  .list_2 .centent{
    width: 90%;
  }
  .consult .centent .inp{
    width: 90%;
  }
  .list_2 .centent .list{
    flex-direction: column;
  }
  .list_2 .centent .list .left{
    width: 100%;
    padding-bottom:100% ;
    background-size: cover;
  }
  .list_2 .centent .list .right .top{
    background-size: cover;
    padding-bottom: 50%;
  }
  .list_2 .centent .list .right .bottom{
    flex-direction: column;
    display: grid;
    grid-template-columns: repeat(2,1fr);
    grid-column-gap: 5vw;
    margin: 5vw 0;
  }
  .list_2 .centent .list .right .bottom .item{
    width: 100%;
    padding-bottom: 100%;
  }
  .list_2 .centent .list .right .bottom .box .text .f20,
  .list_2 .centent .list .left .box .text .f20,
  .list_2 .centent .list .right .top .box .text .f20{
    font-size: 15px;
    width: auto;
  }
  .list_2 .centent .list .left .box .text .f14{
    font-size: 12px;
  }
  .list_2 .centent .list .right{
    width: 100%;
    height: auto;
    flex-direction: column-reverse;
  }
  .list_2 .centent .list .right .bottom .box,
  .list_2 .centent .list .left .box,
  .list_2 .centent .list .right .top .box{
    display: flex;
    align-items: flex-end;
  }
  .list_2 .centent .list .right .bottom .box .text,
  .list_2 .centent .list .left .box .text,
  .list_2 .centent .list .right .top .box .text{
  }
  .list_2 .centent .list .left .box .text,
  .list_2 .centent .list .right .top .box .text{
    width: 90%;
  }
  .list_2 .centent .list .left .box .text div,
  .list_2 .centent .list .right .bottom .box .text div,
  .list_2 .centent .list .right .top .box .text div{
    font-size: 12px;
    color: #fff;
    background-color:#ffffff00;
  }
 
}
@media screen and (max-width: 400px){
  .list_1 .centent .list{
    grid-template-columns: repeat(1,1fr);
  
  }
}