@media (max-width: 1920px) {
  .container {
    max-width: 1580px;
  }
}
@media (max-width: 1680px) {
  .container {
    max-width: 1320px;
  }
  .top-box .logo {
    flex: 1;
  }
}
@media screen and (max-width:1440px) {
  .container {
    max-width: 1280px;
  }
  #banner .swiper-button {
    display: none;
  }
  .pro_list a {
    position: relative;
    background: #fff;
    z-index: 1;
    padding: 10px;
    margin: 5px;
    width: calc(25% - 30px);
    overflow: hidden;
  }
  .pro_txt b {
    font-size: 18px;
  }

}
@media screen and (max-width:1280px) {
  .container {
    max-width: 1200px;
  }
  .nav-menu ul li {
    width: auto;
    padding: 0 5px;
  }
  .nav-menu a {
    padding: 0 15px;
  }
  .top-box .logo img {
    max-height: 55px;
  }
  .news_content .day span{ font-size: 14px;}
.news_content a{ margin-right: 0; padding: 15px;}
}
@media screen and (max-width:990px) {
  #suspension{ display: none;}
  .jiant { display: none;}
  /*头部*/
  .back-to-top {
    display: none !important;
  }
  .change-language {
    display: none;
  }
  .headerBotRig {
    position: fixed;
    right: 66px;
    top: 15px;
    z-index: 999 !important;
  }
  .seaBtn {
    background: url(../images/sousuo1.png) center no-repeat;
  }
  .footer-main .container {
    padding: 15px 0;
  }
  .footer-list1 .socials {
    margin-top: 15px;
  }
  #header {
    height: 70px;
    position: relative;
    background: #fff;
    
  }
  .top-box .logo {
    justify-content: flex-start;
    height: 70px;
  }
  .top-box .logo img {
    max-height: 55px;
  }
  .top-box .logo .logo-tu2 {
    display: block;
  }
  .top-box .logo .logo-tu1 {
    display: none;
  }
  #header.header-scrolled  .top-box .logo .logo-tu2{
    display: none;
  }
  #header.header-scrolled  .top-box .logo .logo-tu1{
    display: block;
  }
  .footer-main .container {
    flex-direction: column;
  }
  .footer-list1 {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  .address-content {
    width: 100%;
  }
  .footer-list3 {
    width: 100%;
  }
  /*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*/
  .ab_bottom {
    background: url(../images/about.jpg) no-repeat bottom;
    height: 400px;
  }
  .ab_list2 {
    width: 100%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    margin-top: 30px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    left: 0;
  }
  .about-box {
    flex-direction: column;
  }
  .about_fl {
    width: 100%;
    padding-left: 0;
    margin-top: 20px;
  }
  .about_fr {
    width: 100%;
  }
  .mobile-nav .drop-down li a img {
    display: none;
  }
  .pad_80 {
    padding: 30px 0;
  }
  .footer-list2 {
   text-align: center;
   margin-top: 15px;
  }
  .main_title p b {
    font-size: 32px;
  }
  .main_title2 b {
    font-size: 24px;
  }
  .mobile-body-mask {
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999
  }
  .mobile-ico-close {
    width: 30px;
    height: 30px;
    background: #fff url(../images/close1.png) center center no-repeat;
    background-size: 50% auto;
    position: absolute;
    right: -35px;
    top: 0;
  }
  .sub-content {
    position: relative;
    display: block;
    right: auto;
    border-radius: 0;
    border: none;
    box-shadow: none;
    z-index: 99999;
  }
  .lang-more {
    display: none !important
  }
  .mobile-head-items {
    position: fixed;
    top: 0;
    right: 0px;
    background: #000;
    width: 100%;
    height: 35px;
    line-height: 35px;
    text-align: left;
    display: block;
    z-index: 995;
    font-size: 24px;
    line-height: 35px;
  }
  .mobile-head-items .title {
    margin-top: 3px;
  }
  .mobile-head-item {
    float: right;
    width: 45px;
  }
  .mobile-head-item.mobile-head-aside {
    float: right
  }
  .mobile-head-item .title {
    width: 100%;
    height: 25px;
    line-height: 25px;
    overflow: hidden;
    text-align: center;
    color: #fff;
    cursor: pointer;
  }
  .mobile-head-item .title a {
    position: relative;
    display: block;
    color: #FFF;
  }
  .mobile-head-item .main-content-wrap {
    background: #FFF;
    top: 0;
    display: block;
    z-index: 99999;
  }
  .mobile-head-item .main-content-wrap .content-wrap {
    overflow-y: auto;
    height: 100%;
    padding: 15px 10px;
    background-color: #fff;
  }
  .mobile-head-item .main-content-wrap.middle-content-wrap .content-wrap {
    overflow-y: hidden;
  }
  .mobile-head-item .side-content-wrap {
    position: fixed;
    display: block;
    left: -70%;
    width: 70%;
    height: 100%;
    top: 105px;
  }
  .mobile-head-item .middle-content-wrap {
    position: absolute;
    left: 0;
    width: 100%;
    height: auto;
    padding: 20px 0;
    opacity: 0;
    visibility: hidden;
  }
  .mobile-head-item .middle-show-content-wrap {
    top: 30px;
    visibility: visible;
    opacity: 1;
  }
  .pro_list a {
    position: relative;
    background: #fff;
    z-index: 1;
    padding: 10px;
    margin: 10px;
    width: calc(50% - 20px);
    overflow: hidden;
  }
  
  .banner_txt b { font-size: 26px;}
  .banner_txt {top:10%}
  .cpfl { flex-direction: column;}
  .cpfl .pro_nav a {    width: calc(50% - 10px);}
  .cpfl .pro_nav { margin-left: 0;}
  #case .swiper-slide img{ height: 250px;}
  .cont_box{ margin-top: 0; flex-direction: column;}
  .info ,.form-box-con{
    width: 100%;
}
#banner .pc_banner { display: none;}
#banner .mob_banner { display: block;}
.news_fl{ flex-direction: column;}
.news_content {
  width: 100%;
  margin-left: 0px;
}
.news_content .day span{ font-size: 16px;}
.news_content .newscon {
width: 80%;
padding-left: 5px;

}
.appl{ margin-top: 20px;}
.news_list {
  width:100%;
  margin-right: 0px;
}
}
@media screen and (max-width:768px) {
  /*头部*/
  #header {
    height: 60px;
  }
  .top-box .logo {
    justify-content: flex-start;
    height: 60px;
  }
  .top-box .logo img {
    max-height: 45px;
  }
  .product_con {
    padding: 10px;
  }
  .footer-copyright {
    padding: 10px 0 70px 0;
  }
  .footer-main {
    padding-bottom: 20px;
  }
  .product {
    margin-top: 0px;
  }
  /*about*/
  .about {
    padding: 20px 0 0;
  }
  .about_txt {
    font-size: 15px;
    line-height: 24px;
    margin: 15px auto;
    width: 88%;
  }
  .ab_list2 {
    margin-top: 30px;
  }
  .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;
  }
  .about_fl p {
    margin: 0;
  }
  .bottom_nav {
    display: block;
  }
  .bottom_nav a span {
    margin: 0;
  }
  .bottom_nav a {
    flex-direction: column;
  }
  .bottom_nav a img {
    width: 26px;
  }
  .copyright {
    padding: 20px 0 75px;
  }
  .copyright i {
    float: none;
  }
  .mobile-nav a {
    height: auto;
  }
  .mobile-nav .drop-down li a {
    background: url(../images/jt.png) no-repeat left;font-size: 14px;text-transform: inherit;
  }
  .searchWrap {
    background: none;
  }
  .product {
    flex-direction: column;
  }
  .pro_fl {
    width: 100%;
  }
  .pro_fr {
    width: 100%;
    margin-top: 20px;
  }
  .pro_fr .pro_box {
    width: 100%;
    margin-left: 0;
  }
  .appl .swiper-slide {
    margin-top: 0;
  }
  .appl .swiper-slide a {
    padding-bottom: 10px;
  }
  .appl .swiper-slide i {
    padding: 0 10px;
  }
  .appl .swiper-slide em,
  .appl .swiper-slide p,
  .appl .swiper-slide b {
   margin: 10px ;
   padding: 0 ;
  }
  .footer-list3 span {
    text-align: center;
    margin-bottom: 0;
    margin-top: 15px;
  }
  .con_box {
    flex-direction: column;
  }
  .product {
    padding: 0;
  }
  .appl .swiper-slide a {
    padding: 30px 0;
  }
  
  .banner_txt b { font-size: 20px; margin-bottom: 15px;}
  .banner_txt {top:5%}
  .banner_txt span{  
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    word-wrap: break-word;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;}
    .features-row { flex-wrap: wrap;column-gap:0}
    .features-item { width: calc(33.33% - 10px); margin: 5px;}
    .features-item:last-child{ width: calc(66.66% - 10px);}
    #case .swiper-slide img{ height: 200px;}
    .pad-140{ padding: 30px 0;}
    .main_title .m_p1{ font-size: 36px;}
    .main_title .m_p2,.main_title .m_p2 span { font-size: 24px;}
    #case .swiper-container{ margin-top: 0;}
    .about_fl .ab_txt { text-align: left;}
    .news_list {
      width:100%;
      margin-right: 0px;
  }
  .news_fl{ flex-direction: column;}
  .news_content {
    width: 100%;
    margin-left: 0px;
}
.news_content .day span{ font-size: 16px;}
.news_content .newscon {
  width: 80%;
  padding-left: 5px;

}
}
@media screen and (max-width:640px) {
  .main_title {
    padding: 5px;
  }
  #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;
  }
  .main_title p {
    margin-bottom: 8px;
  }
  .footer-list3 .con_info {
    flex-direction: column;
  }
  .appl-box {
    padding: 30px 0;
  }
  .main_title p b {
    font-size: 28px;
  }
  .jiam {
    padding: 30px 0;
  }
  .jiameng {
    margin: 0;
  }
  .banner_txt b { font-size: 16px; margin-bottom: 10px;}
  .banner_txt {top:2%}
  .banner_txt span { font-size: 14px;}
  .fix-side { display: none;}
  .form-list{ width:100%;}
  .cust-form{ padding: 20px;}
}
@media screen and (max-width:480px) {
  #header {
    height: 50px;
  }
  .headerBotRig{
 top:10px;
 right: 55px;
  }
  .top-box .logo {
    justify-content: flex-start;
    height: 50px;
  }
  .mobile-head-items .title { margin-top: 6px;}
  .top-box .logo img {
    max-height: 40px;
  }
  .mobile-nav-toggle i {
    width: 36px;
    height: 36px;
    line-height: 36px;
  }
  .about-box {
    flex-direction: column;
  }
  .about_fl {
    width: 100%;
    padding: 0;
  }
  .banner-slide-content p {
    margin-top: 0;
    font-size: 12px;
  }
  .banner-slide-content .title {
    font-size: 14px;
    line-height: 24px;
  }
  #banner .swiper-slide .container {
    top: 13%
  }
  .jiameng div {
    width: 100%;
  }
  .footer-list1 img {
    height: 55px;
  }
  .about_fl img{ border-radius: 10px;}
  .features-item {
    width: calc(50% - 10px);}
    .features-item:last-child{width: calc(100% - 10px);}
    #suspension li .fa { width: 40px;
      line-height: 40px;
    height: 40px;}
    
#suspension li {
	margin-bottom: 3px;
	width: 40px;
	height: 40px;

}

#suspension li a {

	width: 40px;
	height:40px;


}
#suspension li .txt {

	line-height: 40px;


}
#suspension li .txt a{
	
	line-height: 40px;


}
}