@media (max-width: 1920px) {
  .container {
    width: 1280px;
  }
}

@media screen and (max-width:1440px) {
  .container {
    width: 1180px;
  }

  .main-menu .main-menu-list>li,
  .stricky-header .main-menu-list>li {


    position: relative;
    padding: 0 25px;
  }



}


@media (min-width: 1200px) {

  .main-menu .main-menu-list,
  .main-menu .main-menu-list ul,
  .stricky-header .main-menu-list,
  .stricky-header .main-menu-list ul {
    display: flex;
  }

  .mobile-nav-buttons {
    display: none;
  }

  .main-menu .mobile-nav-toggler {
    display: none;
  }

}

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

  .main-menu .mobile-nav-toggler {
    display: none;
  }

  .main-menu .main-menu-list>li,
  .stricky-header .main-menu-list>li {


    position: relative;
    padding: 0 13px;
  }

  .mobile-nav-toggler {
    margin-right: 15px;
  }

  .main-menu-wrapper-logo {
    margin-left: 15px;
  }




  .banner-more {
    margin: 10px auto;
  }

  .banner_txt b {
    font-size: 30px;
  }


  .service-con .ser-item b {
    font-size: 30px;
  }


  .dlkh a img {
    margin-top: 15px;
  }




  .about-box {
    flex-direction: column;
    align-items: center;
  }

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

  .about_fr {
    width: 100%;
  }

  .news-two ul li {
    width: 50%;
  }

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

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

  .foot .ft-nav .ft-nav-list dl dd {
    align-items: center;
  }
}

@media screen and (max-width:990px) {
  .container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
  }

  .banner_txt {
    top: 10%;
  }

  .banner-more {
    display: none;
  }

  .main-menu .mobile-nav-toggler {
    display: block;
  }

  .main-menu .main-menu-list {
    display: none;
  }

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

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

  .h-bg {
    margin-top: 30px;
    z-index: 99;
    position: relative;
  }

  .zyzs {
    flex-direction: column;
  }

  .dlkh a {
    flex-direction: column;
  }

  .pro-box {
    flex-direction: column;
    align-items: center;
  }

  .pro-fl img {
    width: 50%;
  }

  .pro-fl p {
    text-align: center;
  }

  .liuchengbox1 .liucheng-list {


    width: calc(33.33% - 40px);

    margin: 15px 20px;

  }

  .liuchengbox1 .liucheng-list:nth-child(5) span, .liuchengbox1 .liucheng-list:nth-child(10) span {
    display: block;
  }

  .liuchengbox1 .liucheng-list:nth-child(3) span, .liuchengbox1 .liucheng-list:nth-child(6) span, .liuchengbox1 .liucheng-list:nth-child(9) span, .liuchengbox1 .liucheng-list:nth-child(10) span {
    display: none;
  }

  /* 内页 */
  .smgz_list {
    align-items: center;
    flex-direction: column;
  }

  .pro_tu {
    flex: auto;
    width: 100%;
  }

  .gjc p {
    width: calc(50% - 20px);
    margin: 10px;

  }

  .gjc p:last-child {
    width: calc(100% - 20px);
  }

  .more {
    width: 90%;
  }
}

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

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


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


  .banner_txt {
    top: 10%;
  }

  .banner_txt b {
    font-size: 24px;
    margin: 10px 0;
  }

  .banner_txt span {
    font-size: 18px;

  }

  .main_title {
    font-size: 36px;
    margin-bottom: 0;
  }


  .adv-con a {
    width: calc(50% - 24px);

  }

  .zyzs {
    width: 50%;
  }

  .dlkh a {
    flex-direction: row;
  }

  #case .swiper-slide-active, .swiper-slide-duplicate-active {
    -webkit-transform: scale(1);
    transform: scale(1);
    z-index: 1002;
  }

  .ppzqal {
    flex-direction: column;
  }

  .ppzqal .ppzq-fl {
    width: 100%;
  }

  .ppzqal .ppzq-fr {
    width: 100%;
    margin-top: 20px;
  }

  .service-con .ser-item .inner {
    flex-direction: column;
  }

  .service-con .ser-item b {
    font-size: 24px;
  }

  .dlkh {
    flex-wrap: wrap;
  }

  .dlkh a {
    width: calc(50% - 20px);
    flex: auto;
  }

  .fl2 {
    float: none;
  }


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

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

  .foot .ft-nav .ft-nav-list dl:last-child {
    display: block;
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .foot .ft-nav .ft-nav-list dd {
    align-items: center;
  }

  .cbtc {
    flex-direction: column;
  }

  .cbtc .cbtc_list {
    margin: 10px;
    width: calc(100% - 20px);
  }

  .ab_list2 li a {
    flex-direction: column;
  }

  .ab_list2 {
    align-items: flex-start;
    flex-direction: column;
  }

  .ab_list2 li {
    border: none;
  }

  .ab_list2 li b {
    font-size: 20px;
  }

  .contact .contact_con {
    flex-wrap: wrap;
  }

  .contact .contact_con div {
    width: calc(50% - 20px);
  }
}


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

  .main-menu-wrapper-left {

    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;

  }

  .main-menu-wrapper-logo {
    height: 50px;
  }

  .main-menu-wrapper-logo img {
    height: 50px;
  }


  .main-menu-wrapper-main-menu {

    display: block;
    height: 50px;
    line-height: 50px;

  }

  .banner_txt {
    top: 5%;
  }

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

  .banner_txt span {
    font-size: 16px;
  }

  .main_title {
    font-size: 30px;
  }

  .advantage {
    padding: 30px 0;
  }


  .adv-con a {
    width: calc(50% - 14px);
    margin: 5px;
    padding: 10px;

  }

  .banner-more {
    display: none;
  }

  .product a {
    transition: all .3s;
    width: calc(50% - 20px);
    text-align: center;
    margin: 10px;
    padding: 10px 0;
    background-color: #fff;
  }

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

  .service-con {
    flex-wrap: wrap;
  }

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

  .service-con .ser-item {
    flex: auto;
    width: 50%;
  }

  .liuchengbox1 .liucheng-list {


    width: calc(50% - 40px);

    margin: 15px 20px;

  }

  .liuchengbox1 .liucheng-list i {
    height: auto;
  }

  .liuchengbox1 .liucheng-list:nth-child(3) span, .liuchengbox1 .liucheng-list:nth-child(9) span {
    display: block;
  }

  .liuchengbox1 .liucheng-list:nth-child(2) span, .liuchengbox1 .liucheng-list:nth-child(4) span, .liuchengbox1 .liucheng-list:nth-child(6) span, .liuchengbox1 .liucheng-list:nth-child(8) span, .liuchengbox1 .liucheng-list:nth-child(10) span {
    display: none;
  }

  .about-list li {
    width: calc(50% - 20px);
  }

  .gjc p {
    width: calc(100% - 20px);
    margin: 10px;

  }

  .contact .contact_con {
    flex-wrap: wrap;
  }

  .banner_txt {
    top: 5%;
  }

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

  .banner_txt span {
    font-size: 16px;

  }

  .contact .contact_info div b, .contact .contact_con div b {
    font-size: 20px;
  }

  .contact .contact_info div p, .contact .contact_con div p {
    font-size: 14px;
    color: #666;
  }
}