@media (min-width: 1921px) {
  .container {
    max-width: 1680px;
  }
}
@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;
  }
  .container-fluid {
    padding: 0 4vw;
  }
  .tj_tu {
    position: relative;
    padding-left: 4vw;
  }
  .nav-menu a {
    padding: 0 20px;
  }
  .Solution .swiper-container-thumbs .swiper-slide p {
    font-size: 24px;
  }
  .Solution .swiper-container-thumbs .swiper-slide .num {
    width: 60px;
    height: 60px;
  }
  .Solution .swiper-container-thumbs .swiper-slide .num img {
    max-height: 40px;
  }
  .ab_bottom b {
    font-size: 40px;
  }
  .banner_txt b {
    font-size: 40px;
  }
  .main_title .m_p1 {
    font-size: 34px;
  }
  .ab_tti {
    font-size: 36px;
  }
  #gallery .swiper-slide.swiper-slide-active {
    width: 40% !important;
  }
  .top-box .logo img {
    max-height: 55px;
  }
}
@media screen and (max-width:1366px) {
  .img_title .txt h1 {
    font-size: 38px;
  }
  #sol_top .swiper-slide .product-box {
    width: 50%;
  }
}
@media screen and (max-width:1280px) {
  .container {
    max-width: 1200px;
  }
  .nav-menu ul li {
    width: auto;
    padding: 0 5px;
  }
  .nav-menu a {
    padding: 0 6px;
  }
  .top-box .logo img {
    max-height: 40px;
  }
  .h_language {
    padding: 0 10px;
  }
  .container-fluid {
    padding: 0 2vw;
  }
  .tj_tu {
    position: relative;
    padding-left: 2vw;
  }
  .ab_bottom b {
    font-size: 34px;
  }
  .fw .swiper-button-prev {
    position: absolute;
    width: 50px;
    font-size: 24px;
    line-height: 36px;
    height: 36px;
    top: 30px;
    left: calc(100% - 2vw - 100px);
  }
  .fw .swiper-button-next {
    position: absolute;
    width: 50px;
    font-size: 24px;
    line-height: 36px;
    height: 36px;
    top: 30px;
    left: calc(100% - 2vw - 50px);
  }
  .main_title .fl {
    width: calc(100% - 120px);
  }
  .Solution .swiper-container-thumbs .swiper-slide p {
    font-size: 20px;
  }
}
@media screen and (max-width:1080px) {
  .top-box .logo img {
    max-height: 30px;
  }
  .nav-menu a {
    font-size: 14px;
  }
}
@media screen and (max-width:990px) {
  /*头部*/
  .back-to-top {
    display: none !important;
  }
  .change-language {
    display: none;
  }
  .headerBotRig {
    position: fixed;
    right: 66px;
    top: 20px;
    height: auto;
    z-index: 999 !important;
  }
  .h_language {
    display: none;
  }
  .seaBtn {
    background: url(../images/sousuo1.png) center no-repeat;
  }
  .seaBtn.selected {
    background: url(../images/close1.png) center no-repeat;
  }
  .footer-main .container {
    padding: 15px 0;
  }
  .footer-list1 .socials {
    margin-top: 15px;
  }
  #header {
    height: 60px;
    position: relative;
    background: #fff !important;
  }
  .top-box .logo {
    justify-content: flex-start;
    height: 60px;
  }
  .top-box .logo img {
    max-height: 40px;
  }
  .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;
  }
  .mobile-nav .drop-down li a img {
    display: none;
  }
  .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;
  }
  .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: 32px;
  }
  .banner_txt {
    top: 10%
  }
  #banner .pc_banner {
    display: none;
  }
  #banner .mob_banner {
    display: block;
  }
  #header.header-scrolled .top-box .logo .logo-tu2 {
    display: block;
  }
  #header.header-scrolled .top-box .logo .logo-tu1 {
    display: none;
  }
  .pad_100 {
    padding: 50px 0;
  }
  .about_box {
    flex-direction: column;
  }
  .ab_txt {
    width: 100%;
  }
  .ab_fr {
    width: 100%;
  }
  .ab_bottom li {
    text-decoration: none;
    position: relative;
    background: #fff;
    display: flex;
    margin: 10px 0;
    transition: all .3s;
    width: 49%;
  }
  .news {
    flex-direction: column;
  }
  .news-one {
    width: 100%;
  }
  .news-two {
    width: 100%;
    margin-top: 10px;
    margin-left: 0;
  }
  .news-two ul li {
    width: 100%;
    margin: 10px 0;
  }
  .footer-list2 {
    display: none;
  }
  .footer-list4 {
    display: flex;
    justify-content: center;
    width: 100%;
    justify-content: center;
  }
  .footer-list3 {
    display: block;
  }
  .fot_bot {
    flex-direction: column;
  }
  .footer-list4 div {
    flex: none;
  }
  .banner_txt span {
    width: 100%;
  }
  .banner_txt b {
    width: 100%;
  }
  #gallery .swiper-slide.swiper-slide-active {
    width: calc(100% - 2vw) !important;
  }
  .newscon b {
    font-size: 18px;
  }
  .searchWrap {
    padding-top: 10px;
  }
  .mobile-language {
    display: block;
  }
  .scroll {
    display: none;
  }
  #gallery .swiper-slide {
    height: auto;
  }
  .promore {
    width: 120px;
    height: 45px;
    line-height: 45px;
  }
  #gallery .swiper-slide .num {
    padding: 40px 30px 80px
  }
  #gallery .swiper-slide .num {
    font-size: 30px;
  }
  #gallery .swiper-slide .info .title p {
    font-size: 22px;
  }
  .pic-data {
    margin-top: 30px;
  }
  .ab_bottom {
    margin-top: 30px;
  }
  .Solution .swiper-container-thumbs {
    width: 100%;
  }
  .pro-nav {
    position: relative;
    padding-right: 0;
    width: 100%;
    background: #fff;
  }
  .Solution {
    flex-direction: column-reverse;
  }
  #sol_bot .line {
    padding: 20px 0px;
    flex-direction: column;
  }
  #sol_bot .swiper-wrapper {
    justify-content: space-between;
    margin-bottom: 20px;
  }
  #sol_top .swiper-slide .product-box b {
    font-size: 32px;
  }
  #sol_top .swiper-slide {
    padding: 50px 0;
  }
  #sol_top .swiper-slide .product-box .yw_item {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, 1fr);
  }
  .Solution .swiper-container-thumbs .swiper-slide .num {
    margin-right: 0;
  }
  #sol_top .swiper-slide .main_title {
    display: none;
  }
  #sol_top .swiper-slide .container-fluid {
    padding: 0;
  }
  #sol_top .swiper-slide .product-box {
    padding: 10px;
    width: calc(100% - 20px);
  }
  .Solution .swiper-container-thumbs .swiper-slide .num {
    background: none;
    border: none;
  }
  .Solution .swiper-container-thumbs .swiper-slide p {
    color: #333;
  }
  .Solution .swiper-container-thumbs .swiper-slide {
    flex-direction: column;
    justify-content: center;
    background: #f1f1f1;
    width: calc(25% - 20px) !important;
  }
  .Solution .swiper-container-thumbs .swiper-slide-thumb-active {
    background: #F8931D;
  }
  .Solution .swiper-container-thumbs .swiper-slide-thumb-active p {
    color: #fff;
  }
  .ab_tti {
    font-size: 30px;
  }
  .title_mobile {
    display: block;
  }
  .pro-nav {
    margin-top: 30px;
  }
  .container-fluid {
    padding: 0 15px;
  }
  .ysbg {
    padding: 0 15px;
  }
  .mobile-nav a span{ display: none;}
}
@media screen and (max-width:768px) {
  /*头部*/
  #header {
    height: 60px;
  }
  .top-box .logo {
    justify-content: flex-start;
    height: 60px;
  }
  .product_con {
    padding: 10px;
  }
  .footer-main {
    padding-bottom: 20px;
  }
  .product {
    margin-top: 0px;
  }
  /*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;
  }
  .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;
  }
  .main_title .m_p1 {
    font-size: 28px;
  }
  .ab_bottom b {
    font-size: 28px;
  }
  .ab_bottom li p {
    font-size: 14px;
  }
  .ab_bottom li {
    flex-direction: column;
  }
  .ab_bottom li>div {
    width: 100%;
    text-align: center;
  }
  .ab_bottom .ab_num {
    justify-content: center;
  }
  .ab_bottom li i {
    font-size: 14px;
  }
  .ab_bottom li span {
    width: 100%;
    text-align: center;
  }
  .ab_bottom li span img {
    margin: 0 auto;
  }
  .fot_top .container-fluid {
    flex-direction: column;
  }
  .footer-copyright {
    padding: 0;
  }
  .scroll {
    display: none;
  }
  .news-one b {
    font-size: 18px;
  }
  #sol_top .swiper-slide .product-box p {
    width: auto;
    font-size: 14px;
    margin: 0;
    padding: 5px 10px;
  }
}
@media screen and (max-width:640px) {
  .news {
    margin-top: 0;
  }
  #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;
  }
  .fot_tel {
    flex-direction: column;
  }
  .banner_txt b {
    font-size: 24px;
    margin: 10px 0;
  }
  .banner_txt span {
    font-size: 16px;
  }
  .main_title .m_p1 {
    font-size: 24px;
  }
  .main_title span {
    font-size: 20px;
  }
  .in-title b {
    font-size: 24px;
  }
  .in-title p {
    font-size: 14px;
    line-height: 1.6;
  }
  .ab_tti {
    font-size: 28px;
    margin-top: 0;
  }
  .ab_txt .info {
    font-size: 16px;
    margin-top: 10px;
  }
  .ysbg {
    padding-top: 50px;
  }
  .pro-nav {
    margin-top: 20px;
  }
  #sol_bot .line {
    padding: 10px;
    border: none;
  }
  .Solution .swiper-container-thumbs .swiper-slide .num img {
    max-height: 32px;
  }
  .Solution .swiper-container-thumbs .swiper-slide p {
    font-size: 18px;
    font-weight: normal;
  }
  .case_box {
    flex-direction: column;
  }
  .case_fl {
    width: 100%;
  }
  .case_fr {
    width: 100%;
    margin-top: 30px;
  }
  .solu_list ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  .solu_list ul li {
    padding: 10px;
    margin-bottom: 0;
  }
  .boxs {
    flex-direction: column;
    justify-content: flex-start;
  }
  .boxs .tbox .txt {
    display: -webkit-box;
    overflow: hidden;
    font-size: 14px;
    line-height: 24px;
    text-overflow: ellipsis;
    word-wrap: break-word;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
  .img_title .txt h1 {
    font-size: 28px;
  }
  .img_title .txt b {
    font-size: 20px;
  }
  .ft_logo img {
    max-height: 50px;
    margin-bottom: 10px;
  }
  .footer-copyright .main_box {
    flex-direction: column;
  }
  #sol_top .swiper-slide .product-box .yw_item {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, 1fr);
  }

}
@media screen and (max-width:480px) {
  .mobile-head-items .title {
    margin-top: 6px;
  }
  .top-box .logo img {
    max-height: 35px;
  }
  .mobile-nav-toggle i {
    width: 36px;
    height: 36px;
    line-height: 36px;
  }
  .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%
  }
  .main_title .m_p1 {
    font-size: 24px;
  }
  .promore {
    width: 100px;
    height: 42px;
    line-height: 42px;
  }
  .ab_txt .info {
    margin-top: 0;
  }
  .ab_bottom {
    margin-top: 20px;
  }
  #gallery .swiper-slide .num {
    padding: 40px 30px 124px;
  }
  .banner_txt b {
    font-size: 20px;
  }
  .Solution .swiper-container-thumbs .swiper-slide {
    flex-direction: column;
    justify-content: center;
    margin: 10px 0;
    width: calc(50% - 10px) !important;
  }
  #sol_top .swiper-slide .product-box b {
    padding-top: 0;
  }
  #sol_top .swiper-slide {
    padding: 30px 0;
  }
  .solu_list ul {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 10px;
  }
  .news-two li a {
    padding: 10px 0;
  }
  .img_title .txt h1 {
    font-size: 20px;
  }
  .img_title .txt p {
    font-size: 16px;
  }
  #sol_top .swiper-slide .product-box b {
    font-size: 24px;
  }
  #sol_top .swiper-slide .product-box span {
    font-size: 14px;
  }
}