@media (max-width: 1920px) {
  .container {
    max-width: 1600px;
  }
}

@media (max-width: 1600px) {
  .container {
    width: 1440px;
  }

  .news_content a {
    padding: 30px 20px;
  }



}

@media screen and (max-width:1440px) {
  .container {
    max-width: 1280px;
  }

 

  .more {
    margin-top: 30px;
  }

  .top-box .logo {
    flex: 1;
  }

  .tel {
    font-size: 16px;
  }
  .erji_liebiao li {
    width: calc(100% / 4) !important;
    float: left;
}
.pj .swiper-button-prev {

  top:87%;
  left: calc(50% - 210px);
  }
  
  .pj .swiper-button-next {
    top:87%;
    right: calc(50% - 210px);
  }
  .nav-menu .drop-down:hover .sub_height {  height:500px!important;  max-height: 500px!important; }
}

@media screen and (max-width:1280px) {
  .container {
    max-width: 1200px;
  }

  .more {
    margin-top: 10px;
  }

  .nav_r {
    width: 75%;
  }

  .nav_sub .nav_l {
    width: 25%;
  }

  .news_content a {
    padding: 25px 20px;
  }

  .gssl .slbox img {

    min-height: 320px;
  }

  .fot_bg p {
    font-size: 30px;
  }

  .hover {
    padding: 30px;
  }
  .about-box { align-items: center;}
}

@media screen and (max-width:1200px) {
  .container {
    width: 100%;
  }

  .news_content a {
    padding: 22px 20px;
    margin: 10px 0;
  }

  .foot .ft-contact {
    width: 14%;
  }

  .ft-ewm img {
    max-height: 80px;
  }

  .news .swiper-button-prev,
  .news .swiper-button-next {
    width: 120px;
  }

  .news .swiper-button-next {
    left: 140px;

  }
}

@media screen and (max-width:990px) {
  .mobile-menu-hamburger {
    display: block;
    width: 30%;
    text-align: right;
  }

  /*头部*/
  .back-to-top {
    display: none !important;
  }

  .h_language {
    display: none;
  }

  #header {
    height: 70px;
  }

  .top-box {
    height: 70px;
  }

  .top-box .logo {
    justify-content: flex-start;
    height: 70px;
  }

  .top-box .logo img {
    max-height: 55px;
  }

  .top-box .logo .logo-tu1 {
    display: none;
  }

  .top-box .logo .logo-tu2 {
    display: block !important;
  }

  .sfixed {
    position: fixed;
    top: 70px;
    left: 0;
    z-index: 99;
    box-shadow: 1px 1px 2px #eee;
    -webkit-box-shadow: 1px 1px 2px #eee
  }

  .nav_sub .nav_l {
    display: none;
  }

  .nav_r {
    background: none;
    width: 100%;
  }

  .nav_sub .nav_r .r {
    display: none;
  }

  .nav_sub .nav_r .l {
    width: 100%;
    padding: 0;
  }

  .about_fl {
    margin-top: 20px;
  }

  /*banner*/
  #banner .swiper-button {
    display: none;
  }

  #banner .swiper-container-horizontal>.swiper-pagination-bullets,
  .swiper-pagination-custom,
  .swiper-pagination-fraction {
    bottom: 10px;

  }

  #banner .swiper-slide .pcimg {
    display: none !important;
  }

  #banner .swiper-slide .mobimg {
    display: block !important;
  }

  /*about*/

  .about-box {
    flex-direction: column;
  }

  .about_fl {
    width: 100%;
    padding-right: 0;

  }

  .about_fr {
    width: 100%;
    margin-top: 30px;
  }

  .hz-tu {
    float: left;
    width: 50%;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    margin: 0 auto;
    z-index: 1;
  }


  .more {
    margin: 20px auto;
  }

  /*底部*/
  .foot {
    padding: 30px 0;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .foot .ft-contact {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 10px;
    text-align: center;
  }

  .foot .ft-contact img {
    margin: 0 auto;
  }

  .foot .ft-contact b {
    text-align: center;
    width: 100%;
  }

  .foot .ft-nav .ft-nav-list dl {
    display: none;
  }

  .foot .ft-nav .ft-nav-list dl.lxfs {
    display: block;
    width: 100%;
  }

  .foot .ft-nav {
    width: 100%;
  }

  .foot .ft-nav .ft-nav-list dt {
    text-align: center;
  }

  .foot .ft-nav .ft-nav-list dd {
    justify-content: center;
    flex-wrap: wrap;
  }

  .foot .ft-nav .ft-nav-list dd p {
    width: 100%;
    text-align: center;
  }

  .foot .ft-contact {
    width: 100%;
  }

  .news-box {
    flex-direction: column;
  }

  .news-one,
  .news-two {
    margin-right: 0;
    width: 100%;
  }



  .pad80 {
    padding: 50px 0;
  }


  .about_fl {
    padding-left: 0;
  }

  .ft-logo {
    display: flex;
    justify-content: center;
    flex-direction: column;
    width: 100%;
  }

  .ft-logo img {
    width: auto;
    margin-left: auto;
    margin-right: auto;
    display: block;
  }

  .banner_txt b {
    font-size: 26px;
    margin: 10px 0;
  }

  .banner_txt span {
    font-size: 18px;
  }

  .nav_fr {
    display: none;
  }

  .jie_box {
    display: block;
  }

  .main_title .m_p1 {
    font-size: 36px;
  }

  .main_title .m_p2 {
    font-size: 20px;
    text-align: center;
  }

  .main_title .m_p3 {
    font-size: 24px;
  }

  .ab_item .num b {
    font-size: 32px;
  }

  .more_box {
    margin: 0 auto;
    text-align: center;
  }

  .news .news_con {
    flex-direction: column;
    position: relative;
    padding-bottom: 70px;
  }

  .news .news_con .newsfl {
    width: 100%;
    position: static;

  }

  .main_title .m_p1 {
    justify-content: center!important;
  }


  .news .news_con .newsfl .main_title {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .case_titi { display: block;}
  .case_more { display: none;}
  .pj .swiper-wrapper { padding-bottom: 70px;}
  .news .news_con .newsfl .more {
    display: none;
  }

  .news .news_con .newsfr {
    width: 100%;
    padding-left: 0;
    overflow: hidden;
    border-left: none;

  }

  .news .swiper-button-prev {
    top: 100%;
    left: calc(50% - 150px);
  }

  .news .swiper-button-next {
    top: 100%;
    left: calc(50% + 30px);
  }

  .fot_bg p {
    font-size: 24px;
  }

  #sol_top .swiper-slide .product-box a {
    width: calc((100% / 4) - 10px);
    padding: 15px 0;
    text-align: center;
    margin: 5px;
    font-size: 15px;
    background: #fff;
    border-radius: 30px;
}
.case_item { flex-wrap: wrap; display: none;}
.case_item a { margin: 10px;}
.ys_case_mid .default { background: none;position: relative; }
.sj_case_box .ys_case_mid .default { position: absolute; height: 100%; display: flex; align-items: center; justify-content: center; top:0;left: 0; width: 100%;}
.ys_case_mid .main_title{ color: #222; font-size: 16px;}
.ys_case_mid .ys_case_txt img{ width: 30px; width: 30px; filter:brightness(0); opacity: 0.3;}
.case { background: none;}
.ys_case_mid .hover h4 { font-size: 20px; padding-bottom: 20px;}
.hover p{ display: none;}
.default a img { background:transparent;}
.ys_case .pj .swiper-slide:hover .hover { display: none;}
.ys_case .pj .swiper-slide:hover .default{opacity: 1; bottom:0%;}
.ys_case_mid .default .main_title { margin-top: 0;}
.ab_item { flex-wrap: wrap;}
.ab_item li { width: 50%;}
.news_nav { margin: 20px; display: flex; justify-content: center;}
.news_nav a { padding: 0 20px;}
.news-list { margin-top: 0;}
.footer { padding: 30px 0;}
.news {

  background:#F9FAFE url(../images/newsbg.jpg) no-repeat bottom center;

}
.news-list .swiper-slide {
  border: 1px solid #f1f1f1;
}
.foot { padding: 0;}
.ft_item { display: none;}
.foot .ft-nav .ft-nav-list dt::before { display: none;}
.Solution { display: none;}
.sj_cp { display: block;}
.ys_case { display: none;}
.sj_case { display: block;}
.case { margin-top: 20px;}
}

@media screen and (max-width:768px) {

  /*头部*/
  #header {
    height: 60px;
  }

  .top-box {
    height: 60px;
  }

  .top-box .logo {
    justify-content: flex-start;
    height: 60px;
  }

  .top-box .logo img {
    max-height: 45px;
  }

  .mobile-nav-toggle {
    top: 5px;
  }

  .sfixed {
    position: fixed;
    top: 60px;
    left: 0;
    z-index: 99;
    box-shadow: 1px 1px 2px #eee;
    -webkit-box-shadow: 1px 1px 2px #eee
  }



  /*about*/

  .banner-slide-content .title {
    font-size: 20px;
    line-height: 32px;
    font-weight: 500;
    color: #fff;
    display: block;
    margin-bottom: 15px;
    letter-spacing: -0.25px;
    text-transform: capitalize;
  }


  .banner-slide-content p {

    font-size: 18px;
    font-family: "Poppins", sans-serif;
    color: #fff;

  }

  .news-two ul li {
    width: 100%;
  }

  .news-two a {
    margin: 10px 0;
  }

  .foot .ft-contact {
    width: 100%;
    margin-top: 0;
  }



  .main_title p b {
    font-size: 30px;
    line-height: 40px;
  }


  .pad80 {
    padding: 20px 0;
  }

  .main_title .m_p1 {
    font-size: 30px;
  }

  .main_title .m_p2 {
    font-size: 20px;
  }

  .main_title .m_p3 {
    font-size: 26px;
  }

  .about_fl .ab_txt {
    font-size: 15px;
  }

  .pro-fl {
    flex-direction: column;
  }

  .pro-fl a {
    width: 100%;
    border: none;
    margin-top: 15px;
  }

  .ab_item .num b {
    font-size: 26px;
  }

  .ab_item .num .text {
    font-size: 16px;
  }

  .fot_bg .container {
    flex-direction: column;
  }

  .footer,
  .fot_bg {
    padding: 20px 0;
  }

  .main_title .m_p3 {
    font-size: 20px;
  }

  .fix-side {
    position: fixed;
    right: 0px;
    bottom: 40px;
    width: 40px;
  }

  .fix-side .gzh {
    width: 40px;
  }

  .fix-side li {
    height: 40px;
    width: 40px;
  }

  .fix-side li img {
    width: 20px;
  }

  #kefu {
    right: 45px;
  }
  #sol_bot { width: 100%;}
  .Solution .swiper-container-thumbs .swiper-slide .num img { width: 80%;}
  .Solution .swiper-container-thumbs .swiper-slide p { font-size: 18px;}
  #sol_top .swiper-slide .product-box a {
    width: calc((100% / 2) - 10px);
    padding: 15px 0;
    text-align: center;
    margin: 5px;
    font-size: 15px;
    background: #fff;
    border-radius: 30px;
}
#case1 .swiper-slide { margin-top: 0;}
#case1 .swiper-button-next {right: 10px;}
#case1 .swiper-button-prev { left: 10px;}
.case_item a { width: calc(50% - 20px); display: flex; justify-content: center; align-items: center; text-align: center; line-height: 24px;}
.ys_case { margin-top: 0;}
.ys_case_mid .default {
  padding-bottom: 0;
}
}

@media screen and (max-width:640px) {

  .banner_txt b {
    font-size: 20px;
    margin: 10px 0;
  }

  .banner_txt span {
    font-size: 14px;
  }

  #banner .swiper-slide .container {
    position: absolute;
    left: 0;
    right: 0;
    top: 33%;
    bottom: 0;
    margin: 0 auto;
  }

  .banner-slide-content .title {
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
    color: #fff;
    display: block;
    margin-bottom: 10px;

  }


  .banner-slide-content p {

    font-size: 14px;
    font-family: "Poppins", sans-serif;
    color: #fff;


  }

  .foot .ft-contact {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 10px;
  }

  .foot .ft-contact {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 10px;
  }

  .foot .ft-nav {
    width: 100%;
  }

  .ab_item {
    flex-wrap: wrap;
    justify-content: flex-start;
  }



  .ab_item .num b {
    font-size: 20px;
  }

  .ab_item span {
    font-size: 14px;
  }

  .main_title .m_p1 {
    font-size: 24px;
  }

  .main_title .m_p2 {
    font-size: 16px;
  }

  .pad60 {
    padding: 30px 0;
  }

  .news_content .day span {
    font-size: 16px;
  }

  .fot_bg p {
    font-size: 18px;
  }

  .news .swiper-button-next,
  .news .swiper-button-prev {
    width: 100px;
    height: 40px;
    line-height: 40px;
  }

  .news .swiper-button-prev {
    left: 0;
  }

  .news .swiper-button-next {
    right: 0;
    left: auto;
  }
}

@media screen and (max-width:480px) {
  #header {
    height: 50px;
  }

  .top-box {
    height: 50px;
  }

  .top-box .logo {
    justify-content: flex-start;
    height: 50px;
  }

  .top-box .logo img {
    max-height: 26px;
  }

  .mobile-nav-toggle {
    top: 0;
  }

  .about-box {
    flex-direction: column;
  }

  .about_fl {
    width: 100%;
    padding: 0;
  }

  .sfixed {
    position: fixed;
    top: 50px;
    left: 0;
    z-index: 99;
    box-shadow: 1px 1px 2px #eee;
    -webkit-box-shadow: 1px 1px 2px #eee
  }


  .news .news_con .newsfr dl dd b { font-size: 18px;}
  .news .news_con .newsfr dl dd .newsms { margin-top: 20px;}
  .news .news_con .newsfr dl dd .newsmore2 { margin-top: 20px;}
  .foot .ft-contact p img { height: 40px;}
}