@media screen and (max-width: 1600px) {
}
@media screen and (max-width: 1400px) {
}
@media screen and (max-width: 1200px) {
  .page_ban {
    padding-bottom: 30%;
  }
  .page_ban .text {
    top: 50%;
  }
  .page_ban .text h3 {
    font-size: 50px;
  }
  .page_ban .text p {
    display: none;
  }
  .page_nav.pro_tap li a{
    height: 50px;
    line-height: 50px;
  }
  .procon_top .text h3{
    font-size: 20px;
    margin-bottom: 10px;
  }
  .procon_top .text .btn a{
    width: 100px;
    line-height: 35px;
  }
}
@media screen and (max-width: 1100px) {
  .newsli li:nth-child(1) a{
    
  }
  .newsli li:nth-child(1) .text{
    width: 100%;
    padding: 5%;
  }
  .newsli li:nth-child(1) .img{
    width: 100%;
    padding-bottom: 60%;
  }
  .newsli li:nth-child(1) .text font{
    display: none;
  }
}

@media screen and (max-width: 1000px) {
  .about .text {
    width: 100%;
    margin-bottom: 20px;
  }
  .about .img {
    width: 100%;
  }
  .news .news_tl h3{
    font-size: 24px;
  }

  .caseli li .img {
    height: 200px;
  }
  .caseli li .text p {
    overflow: hidden;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
}

@media screen and (max-width: 880px) {
}

@media screen and (max-width: 768px) {
  .page_ban .text {
    left: 12%;
  }
  .page_ban .text h3 {
    font-size: 30px;
    margin-bottom: 0;
  }
  .page_nav li a {
    font-size: 16px;
    line-height: 40px;
    height: 40px;
  }
  .page_tl {
    margin: 30px 0;
  }
  .page_tl h3 {
    font-size: 24px;
  }
  .about p {
    font-size: 14px;
  }

  .proli_bg {
    background-color: #fff;
  }
  .proli_bg .page_tl {
    display: none;
  }
  .pro_tap{
    display: none;
  }
  .pro_nav {
    display: block !important;
    width: 90%;
    margin: 10px auto;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }
  .pro_nav li {
    width: auto;
  }
  .pro_nav li a {
    position: relative;
    display: block;
    margin: 0 5px;
    line-height: 40px;
    box-sizing: border-box;
    font-size: 0.3rem;
    color: #666;
    padding-right: 5px;
    padding-left: 5px;
  }
  .pro_nav li a:after {
    content: "";
    position: absolute;
    bottom: 0px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--main-color);
    transform: translateX(-50%);
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
  }
  .pro_nav li.on a:after{
    width: 100%;
  }
  .pro_left {
    display: none;
  }
  .proli .proli_con {
    width: 100%;
  }

  .procon_top .img{
    width: 100%;
  }
  .procon_top .text{
    width: 100%;
    margin-top: 20px;
  }
  .procon_top .text p{
    min-height: auto;
  }
  .procon_top .text .btn{
    margin: 30px 0;
  }
  .procon_top .text .btn a{
    width: 80px;
    line-height: 30px;
  }
  .procon_con .tl .text{
    padding: 15px 0;
  }
  .procon_con .tl .text h3{
    font-size: 20px;
    line-height: 30px;
  }
  .procon_con .tl .text h5{
    font-size: 14px;
  }
  .procon_con .tl .text h5 i{
    font-size: 14px;
  }
  .procon_con .box{
    padding: 5% 0;
  }
  .procon_con .box1 p{
    font-size: 14px;
  }
  .pro_fy p:nth-child(1){
    margin-bottom: 10px;
  }
  .newsli li .ico{
    display: none;
  }
  .newsli li .date{
    width: 100px;
  }
  .newsli li .text2{
    width: calc(100% - 100px);
  }
  .newsli li .date h1{
    font-size: 26px;
    width: 80px;
  }
  .newsli li .date h2{
    font-size: 16px;
    width: 80px;
  }
  .newsli li .text2 h3{
    font-size: 18px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .newsli li .text2 p{
    text-overflow: -o-ellipsis-lastline;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block !important;
    height: auto;
    font-size: 14px;
  }
  .news .news_tl h3{
    font-size: 18px;
  }
  .news .news_tl span{
    font-size: 14px;
  }
  .news .news_con p{
    font-size: 14px;
    line-height: 1.6;
  }
  .contact .map{
    width: 100%;
    height: 200px;
  }
  .contact .text{
    width: 100%;
  }
  .contact .text h3{
    font-size: 16px;
  }
  .contact .text li{
    margin-bottom: 10px;
    font-size: 14px;
  }
}

@media screen and (max-width: 640px) {
  .page_ban {
    padding-bottom: 40%;
  }
  .proli .proli_con li {
    width: 50%;
  }
  .proli .proli_con li:nth-child(n + 3){
    border-top: none;
  }
  .procon_con .box2 li{
    width: 50%;
  }
  .procon_con .box2 li:nth-child(n + 3){
    border-top: none;
  }
  .pro_fy p, .pro_fy a{
    font-size: 14px;
    line-height: 1.5;
  }

  .caseli li .img {
    height: 160px;
    width: 40%;
  }
  .caseli li .text {
    width: 60%;
    padding: 20px 5%;
  }
  .caseli li .text p {
    font-size: 14px;
    overflow: hidden;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
}

@media screen and (max-width: 480px) {
  .page_ban .text h3 {
    font-size: 20px;
  }
  .page_tl h3 {
    font-size: 19px;
  }
  .page_tl h5 {
    font-size: 14px;
  }
  .proli .proli_con li {
    width: 100%;
  }
  .proli .proli_con li:nth-child(n + 2){
    border-top: none;
  }
  .procon_con .box2 li {
    width: 100%;
  }
  .procon_con .box2 li:nth-child(n + 2){
    border-top: none;
  }

  .caseli li .img {
    width: 100%;
    height: 28 0px;
  }
  .caseli li .text {
    width: 100%;
  }
}