@media (min-width: 1921px) {
  .container {
    max-width: 1480px;
  }
}
@media (max-width: 1920px) {
  .container {
    max-width: 1480px;
  }
}

@media (max-width: 1680px) {
  .container {
    max-width: 1320px;
  }

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

  .news-two a {
    padding: 17px;
  }
}

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

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

  .news-two a {
    padding: 14px;
  }
}

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

  .nav-menu ul li {
    width: auto;
    padding: 0 5px;
  }

  .news-two a {
    padding: 10px;
  }
  .top-box .logo img {
    max-height: 50px;
  }

}

@media screen and (max-width:990px) {
.head_right{ margin-right: 45px; display: none;}
  /*头部*/
  .back-to-top {
    display: none !important;
  }
  .top_con { display: none;}
  .header-btn a { display: none;}
  #header {
    height: 70px; margin-top: 35px;
  }

  .top-box .logo {
    justify-content: flex-start;
    height: 70px;
  }
  .pad-80 { padding: 50px 0;}
  .top-box .logo img {
    max-height: 45px;
  }

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

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

  .pro_list a {
    display: flex;
    align-items: center;

    justify-content: space-between;
    width: calc(50% - 10px);
    background: #fff;
    box-shadow: 0px 0px 35px 0px rgba(0, 0, 0, 0.10);
    padding: 15px;
    margin: 10px 0;

  }

   .news-actgs{ margin-top: 20px;}
   .news-act-item{ flex-wrap: wrap; padding: 20px;}
.news-act .news-act-imgbox,.news-act .news-act-text{ width: 100%;}
.news-act .news-act-h {
    margin: 20px 0;font-size: 20px;
}
   .news_box {

    margin-top: 0;     flex-direction: column;

  }
  .news_fl {

    width: 100%;

    padding-right: 0;

  }

.zbody_content{ padding: 0 25px;}

  .news_fr {

    padding-left: 0;

    width: 100%;

    margin-top: 20px;

  }
   .news_content a {

    padding-right: 0;

    padding: 10px 0;    flex-direction: column; margin-right: 0;

  }
  
  .news_content .day {

    width: 100%;

    margin: 10px 0;

  }

  .news_content .day img{ width: 100%;}

  .news_content .newscon {

    width: 100%;

    padding-left: 0px;

  }



 
  .news_con {
    flex-direction: column;
  }

  .news-two, .news {
    width: 100%;
  }

  .news-two a {
    padding: 20px;
  }

  .footer-list1 {
    display: none;
  }

  .footer-list3 {
    width: 100%;
  }
.mobile-head-items {
    position: fixed;
    top: 0;
    left: 0;
    background: #161622;
    width: 100%;
    height: 35px;
    line-height: 35px;
    text-align: left;
    display: block;
    z-index: 99999;
  }

  .mobile-head-item {
    float: right;
  }

  .mobile-head-item.mobile-head-aside {
    float: right;
  }

  .mobile-head-item .title {
    width: 100%;
    font-size: 20px;
    height: 35px;
    line-height: 35px;
    overflow: hidden;
    text-align: center;
    color: #fff;
    cursor: pointer;
    padding-right: 10px;
  }

  .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%;
  }

  .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;
  }

  .mobile-nav .drop-down .drop-down ul {
    background: #333;
  }
  /*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-right: 0;
  }

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

  .ys_list_right {
    float: left;
    width: 100%;
  }

  .ys_list_left {
    float: right;
    width: 100%;
    padding: 20px 0;
    background: #ffffff;
    line-height: 24px;
    font-size: 14px;
    color: #585657;
  }

  .mobile-nav .drop-down li a img {
    display: none;
  }
  #thumbs .swiper-slide span { font-size: 16px;}
  .ser_py { flex-direction: column;}
  .ser_py_txt { width: 100%;}
  .ser_py_tu { width: 100%;}
  .slide-list li a { font-size: 14px;}
  .product_con { padding: 0; margin-top: 0;}
  .tj_tu .swiper-container-thumbs {
    margin-top: 0;
  }
  /* #thumbs .swiper-slide span { font-size: 14px; padding: 5px;} */
}

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

  /*头部*/
  #header {
    height: 60px;
  }
  .ly_fl p{ margin-top: 0;}
  .ser_py { padding: 10px;}
  .probg { padding-top: 0;}
  .top-box .logo {
    justify-content: flex-start;
    height: 60px;
  }

  .top-box .logo img {
    max-height: 35px;
  }

  .mobile-nav-toggle {
    margin-top: 40px;
  }

  .mobile-nav-toggle i {
    width: 38px;
    height: 38px;
    line-height: 38px;

  }

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

  .pro_list {
    align-items: stretch;
  }

  .pro_list a {
    display: flex;
    align-items: center;

    justify-content: space-between;
    width: calc(50% - 10px);
    background: #fff;
    box-shadow: 0px 0px 35px 0px rgba(0, 0, 0, 0.10);
    padding: 10px;
    margin: 10px 0;

  }

  .items .box .left {
    width: 30%;
  }

  .items .box .right {
    width: 70%;
  }

  .items .box .right p {
    width: 97%;
  }

  .items .box .right b {
    padding-left: 10px;
  }

  .items .box {
    height: auto;
  }

  .footer-copyright {
    padding: 10px 0 ;
  }

  .footer-main {
    padding-bottom: 20px;
  }

  .hz { flex-wrap: wrap;}
  .hz div { width: calc(33.3% - 20px);}
  /* #thumbs .swiper-slide span { height: 88px;} */
  .ser_py_txt .num { font-size: 30px; width: 100%;}
  .probg { padding-bottom: 30px;}
  .slide-list li { padding: 5px;}
  /*about*/
.pad-80{ padding: 40px 0;}
.ly_fr { margin-top: 20px;}

  .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;

  }

  .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;
  }

  .main_title p b {
    font-size: 38px;
  }

  .product_fl {
    width: 100%;
  }

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

  .mobile-nav a {
    height: auto;

  }

  .mobile-nav .drop-down li a {
    background: url(../images/jt.png) no-repeat left;
    line-height: 40px;

  }

  .searchWrap {
    background: none;
  }
  .scroll { display: none;}
  .service-con .ser-item p { font-size: 14px;}
  .service-con .ser-item { width: 50%;}
  .appl .swiper-slide { margin-top: 10px;}
  .about_fl p { margin: 0;}
  .ser_py_tu p { height: auto;}
}

@media screen and (max-width:640px) {
  .pad-80 { padding: 30px 0;}
  .main_title {
    padding: 5px;
  }
  .slide-list li {
    overflow: hidden;
    width: calc(50% - 10px);
    background: #005866;
    margin: 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;


  }

  .pro_list {
    flex-wrap: wrap;
  }

 

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



  .ys_list_left b {
    font-size: 28px;
  }

  .main_title p {
    margin-bottom: 8px;
  }

  .youshi {
    padding: 30px 0;
  }

  .items .box .right {
    width: 100%;
  }

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

  .news a .cont {
    padding: 10px;
  }

  .footer-list3 .con_info {
    flex-direction: column;
  }

  .items .box .right p {
    padding-left: 10px;
  }

  .items .box {
    height: 230px;
  }

  .appl-box {
    padding: 30px 0;
  }
  .liuyan { flex-direction: column;margin: 10px;}
  .ly_fl { width: 100%;}
  .ly_fr { width: 100%;}
  .about_fl p { text-align: left;}
  .ly_fl b {font-size: 20px;}
  
}

@media screen and (max-width:480px) {

  .ser_py_txt .num { font-size: 20px;}
  .ser_py_txt span { font-size: 18px;}
  .ser_py_tu img { max-height: 380px;}
  .pro_txt span { margin-top: 0; font-size: 15px;}
  .main_title p b {
    font-size: 26px;
  }
  .pro_tu { width: 80%;}


  .top-box .logo img {
    max-height: 30px;
  }

 

  .mobile-nav-toggle i {
    width: 32px;
    height: 32px;
    line-height: 32px;

  }

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

  .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%
  }


}
@media screen and (max-width:360px) {
  .hz div { width: calc(50% - 20px);}
}
@media screen and (max-width:260px){ .pro_list a {
  width: 100%;
  flex: auto;
}}