@media screen and (max-width: 1023px) {
  body > #wrapper {
    width: 100vw;
    overflow-x: hidden;
    position: absolute;
  }
  select {
    background: -webkit-linear-gradient(white, #666);
    border: 1px solid #ccc;
    border-radius: 5px;
    color: white;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
    -webkit-appearance: none;
  }
  .sitettl {
    background: url(../images/down3.png)  no-repeat bottom center/16px auto;
  }

  .sct_zhiliang {
    background: url(../images/bg1.jpg) no-repeat top center/cover;
  }
  .sct_zhiliang .thelist1 {
  }
  .sct_zhiliang .thelist1 img {
  max-height: 60vw;
  width: auto;
  }
  .sct_zhiliang .thelist1 .items {
    position: relative;
    display: none;
  }
  
  .sct_zhiliang .thelist1 .item {
    display: flex;
    position: static !important;
  }
  .sct_zhiliang .thelist1 .item:nth-child(1) {
    /* margin-top: 2rem; */
  }
  .sct_zhiliang .thelist1 .item:nth-child(2) {
    margin-top: 1.8rem;
  }
  .sct_zhiliang .thelist1 .item:nth-child(3) {
  }
  .sct_zhiliang .thelist1 .item:nth-child(4) {
    margin-top: -2rem;
  }
  .sct_zhiliang .thelist1 .item:nth-child(5) {
  }
  .sct_zhiliang .thelist1 .item:nth-child(6) {
  }
  .sct_zhiliang .thelist1 .item:nth-child(7) {
  }
  .sct_zhiliang .thelist1 .item .dotline:after {
    content: "";
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 100px;
    background-color: rgb(255 255 255);
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }
  .sct_zhiliang .thelist1 .item .dotline {
    border-bottom: 1px dashed rgb(255 255 255 / 78%);
    flex: 1 auto;
    position: relative;
    top:.5rem;
  }
  .sct_zhiliang .thelist1 .item_ttl {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 50%;
    padding-bottom: 4.3rem;
  }
  
  .sct_zhiliang .thelist1 .item.active .item_des {
    opacity: 1;
    right: 0;
  }
  .sct_zhiliang .thelist1 .h4 {
    padding-right: 1.6rem;
  }
  .sct_zhiliang .thelist1 .h4 a {
  }
  .sct_zhiliang .thelist1 .h4 i {
    display: inline-block;
    width: 3.7rem;
    height: 3.7rem;
    background: url(../images/jia.png) no-repeat center/cover;
    margin-right: 1.5rem;
  }
  
  .sct_zhiliang .thelist1 .item_ttl:hover .h4 i,
  .sct_zhiliang .thelist1 .active .h4 i {
    background: url(../images/jian.png) no-repeat center/cover;
  }
  .sct_zhiliang .thelist1 .h4 span {
  }
  .sct_zhiliang .item_des {
    position: absolute;
    max-width: calc(50% - 20rem);
    right: -100%;
    top: 0;
    flex: auto;
    opacity: 0;
    transition: all 0.4s;
    /* max-width: 0; */
    overflow: hidden;
    opacity: 0;
  }
  .sct_zhiliang .item_des ul {
    padding-top: 4rem;
    border-top: 1px solid #ffffff94;
    margin-top: 2rem;
    /* transition: all .3s; */
    /* max-height: 0; */
    /* overflow: hidden; */
  }
  .sct_zhiliang .item_des li {
    padding-left: 2rem;
    background: url(../images/right2.png) no-repeat left 0.5rem;
    margin-bottom: 1.6rem;
  }
  
  .shebei_slider {
    position: relative;
    margin: 0 auto;
    width: 90%;
  }
  .shebei_slider .slick-slider {
    z-index: 2;
    background: #fff;
  }
  .shebei_slider .slick-slide {
    margin-left: 3rem;
  }
  .shebei_slider .slick-list {
    margin-left: -3rem;
  }
  .shebei_slider .hdls {
    position: static;
    margin: 0 auto;
    /* background: red; */
    width: 100%;
    height: 6rem;
    border-bottom: 1px solid #666;
    display: flex;
  }
  .shebei_slider .hdl {
    flex: 0 0 50%;
    line-height: 6rem;
    background: no-repeat center/20px auto;
    background-image: url(../images/pn_right.png);
    cursor: pointer;
  }
  .shebei_slider .prev {
    border-right: 1px solid #5b5856;
    background-image: url(../images/pn_left.png);
  }
  .shebei_slider .next {
  }
  .shebei_slider .bor1 {
    border: 0;
    position: static;
    height: auto;
    width: 100%;
    top: -5rem;
    left: 2rem;
    margin: 0 auto;
  }
  .shebei_slider a.block {
    position: relative;
  }
  .shebei_slider .img {
  }
  .shebei_slider .img img {
  }
  .shebei_slider .textcover {
    transition: all 0.4s;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: rgb(0 149 156 / 80%);
    z-index: 3;
    text-align: center;
    row-gap: 4rem;
    transform: scale(0);
    opacity: 0;
  }
  
  .shebei_slider a:hover .textcover {
    transform: scale(1);
    opacity: 1;
  }
  .shebei_slider .textcover i {
  }
  .shebei_slider .textcover i img {
  }
  .shebei_slider .textcover .h3 {
    color: white;
    font-size: 2.4rem;
    font-weight: bold;
  }
  .bg-gradient1{
    background: none;
  }
  .sct_product .item:nth-child(5){
    border:0;
  }

  
}