.scrollto{
    padding-top:10rem;
    margin-top:-10rem;
}
@media (min-width: 981px) {
  .banner .swiper-pagination {
    display: none;
  }
  .develop li:nth-child(2n) .item {
    flex-direction: column-reverse;
  }
  .const4 li .item .item_info {
    padding-left: 2.6rem;
  }
  .const4 li:nth-child(2n) .item {
    flex-direction: row-reverse;
  }
  .const4 li:nth-child(2n) .item .item_info {
    padding: 0 2.6rem 0 0;
  }
}

@media (max-width: 1330px) {
  .about .about1 .ab1_slides {
    padding: 0;
    margin: 0;
  }
  .about .about1 .ab1_slides .info {
    padding-left: 5rem !important;
  }
  .about .about1 .ab1_slides .jt {
    width: 4rem;
    height: 6rem;
    line-height: 6rem;
    text-align: center;
    background: rgba(221, 221, 221, 0.8);
  }
}

@media (max-width: 980px) {
  .sec_tit {
    margin-bottom: 3.5rem;
  }
  .banner {
    height: 55vh;
  }
  .banner .jt {
    display: none !important;
  }
  .banner .swiper-pagination .swiper-pagination-bullet {
    width: 30px;
  }
  .banner .slide_down {
    display: none;
  }
  .banner video {
    object-fit: cover;
  }
  .section1 .item {
    margin: 2rem 0;
  }
  .section3 ul {
    margin: 0;
  }
  .section3 .item {
    margin: 1rem 0;
  }
  .section3 .item .icon {
    width: 100%;
    height: auto;
  }
  .crumbs .subcat {
    margin: 2rem 0 0 0;
  }
  .crumbs .subcat a {
    padding: 0 2.8rem;
    display: inline-block;
    margin: 0.6rem 0;
  }
  .contact .contbox1 .cont1_msg {
    padding: 3rem;
  }
  .contact .contbox1 .cont1_msg li {
    margin: 1.5rem 0;
  }
  .contact .contbox1 .cont1_msg li .item_tit {
    margin-bottom: 1.5rem;
  }
  .contact .contbox2 .lists li {
    padding: 3rem;
  }
  .contact .contbox2 .lists li .item .item_tit {
    margin-bottom: 1.2rem;
  }
  .contact .contbox2 .lists li .item .item_info .dd {
    margin: 0.2rem 0;
  }
  .contact .contbox2 .lists li .item .item_info .dd .desc {
    margin-top: 3px;
  }
  .contact .contbox3 {
    padding: 2rem 0 4rem;
    margin-bottom: 3rem;
  }
  .contact .contbox3 .lxt {
    height: 25rem;
  }
  .contact .contbox3 .btn {
    bottom: 1rem;
  }
  .contact .contbox3 .contact_btn {
    width: 24rem;
    height: 6rem;
  }
  .consult .const3 .table thead th {
    font-size: 1.8rem;
    width: 20%;
  }
  .consult .const3 .table thead th:last-child {
    width: 40%;
  }
  .consult .const3 .table tbody tr td {
    font-size: 1.4rem;
  }
  .consult .const4 li {
    margin-bottom: 5rem;
  }
  .consult .const4 li .item_info {
    padding: 3rem 0 0 0;
  }
}