.header{
  /*height: 90px;*/
  /*width: 100%;*/
}
.list_1 {
  padding-bottom: 100px;
  /* margin-top: 124px; */
  margin-top: 40px;
}
.list_1 .centent {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.list_1 .centent .top {
  background-color: #fff;
  width: 100%;
  height: 60px;
  padding: 0 33px;
  box-sizing: border-box;
  border-radius: 10px;
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}
.list_1 .centent .top .item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  height: 100%;
  margin-right: 56px;
  font-size: 16px;
  font-family: 'Regular';
  color: #999;
  box-sizing: border-box;
}
.list_1 .centent .top .item.art,
.list_1 .centent .top .item:hover {
  color: #19C76B;
  border-bottom: 2px solid #19C76B;
}
.list_1 .centent .box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  grid-column-gap: 2%;
}
.list_1 .centent .box .left {
  width: 290px;
  height: fit-content;
  background-color: #fff;
  padding: 30px 20px;
  box-sizing: border-box;
  border-radius: 10px;
  position: sticky;
  top: 50px;
  left: 0;
}
.list_1 .centent .box .left a {
  display: flex;
  align-items: center;
  width: 100%;
  cursor: pointer;
  margin-bottom: 15px;
}
.list_1 .centent .box .left a .f16 {
  font-family: 'Regular';
  font-size: 16px;
  margin-left: 5px;
  color: #999;
}
.list_1 .centent .box .left a.art .f16 {
  font-family: 'AtAeroMedium';
  color: #000;
}
.list_1 .centent .box .left .list {
  margin: 15px 0;
}
.list_1 .centent .box .left .list .item {
  padding-left: 20px;
  width: 186px;
  font-size: 14px;
  font-family: 'Regular';
  cursor: pointer;
  display: flex;
  align-items: center;
  position: relative;
  color: #999;
  margin-bottom: 0;
  padding-bottom: 10px;
}
.list_1 .centent .box .left .list .item::before {
  position: absolute;
  left: 7px;
  display: block;
  content: '';
  /* width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 7px solid #19C76B; */
  /* display: none; */
  
  width: 1px;
  height: 100%;
  background-color: #999;
}
.list_1 .centent .box .left .list .item.art {
  color: #19C76B;
}
.list_1 .centent .box .left .list .item.art::before {
  /* display: block; */
  background-color: #19C76B;
}
.list_1 .centent .box .left .yuan {
  width: 15px;
  height: 15px;
  display: block;
  border-radius: 50%;
  border: 1px solid #ccc;
}
.list_1 .centent .box .left .yuan.art {
  background-color: #19C76B;
  /* background-image: radial-gradient(circle, #19C76B 5%, #fff); */
}
.list_1 .centent .box .right {
  width: 880px;
  height: auto;
  background-color: #fff;
  padding: 60px 40px 60px 30px;
  box-sizing: border-box;
  border-radius: 20px;
}
.list_1 .centent .box .right .f20 {
  color: #19C76B;
  font-family: 'AtAeroMedium';
}
.list_1 .centent .box .right .f14 {
  color: #666;
  font-family: 'Regular';
  margin-top: 35px;
}
.list_1 .centent .box .right .txt {
  color: #666;
  font-family: 'AtAeroMedium';
  font-size: 14px;
  margin: 35px 0 40px;
  font-family: 'Regular';
}
.list_1 .centent .box .right .paragraph {
  font-size: 16px;
  color: #666;
  padding: 20px 0;
  border-bottom: 1px solid #ccc;
  font-family: 'AtAeroMedium';
}
.list_1 .centent .box .right .text {
  padding: 25px 0 25px 0px;
  box-sizing: border-box;
  font-size: 14px;
  color: #666;
  font-family: 'Regular';
}



@media screen and (max-width: 1024px){
  .list_1 .centent{
    width: 100%;
  }
  .list_1 .centent .box{
    flex-direction: column;
  }
  .list_1 .centent .top{
    /* flex-wrap: wrap; */
    overflow-x: auto;
    /* height: auto; */
  }
  .list_1 .centent .top .item {
    /* display: inline-block; */
    /* height: 60px; */
    flex-shrink: 0;
  }
  .list_1 .centent .box .left{
    width: 90%;
    margin: auto;
    position: static;
  }
  .list_1 .centent .box .left .list{
    display: none;
  }
  .list_1 .centent .box .right{
    width: 90%;
    margin: auto;
    margin-top: 20px;
  }
  .list_1 .centent .box .right .text{
    padding-left: 10px;
  }
}