@media (min-width: 1920px) {
  .container {
    width: 60%;
  }

  .main-menu .main-menu-list>li>a {
    font-size: 18px;
  }

  html {
    font-size: 16px;
  }

  .main-menu .main-menu-list li:nth-child(3) ul li:nth-child(3) {
    line-height: 32px;

  }

}

@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 15px;
  }



}


@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 8px;
  }


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


  .banner_txt {

    text-align: center;
    display: none;

  }

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

  .banner_txt b {
    font-size: 38px;
  }


  .form-box-con {
    width: 60%;
  }


}

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

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

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

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

  .form-box {
    width: 100%;
  }


  .form-box-con {
    width: 100%;
  }

  .fot_bg .container {
    flex-direction: column;
    padding-bottom: 20px;
  }
}

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

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


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


  .banner_txt {
    top: 10%;
    display: none;
  }

  .banner_txt b {
    font-size: 28px;
    margin: 10px 0;
  }

  .banner_txt span {
    font-size: 20px;
  }

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

  .jjfa_list {
    width: 100%;
  }

  .jjfa {
    flex-wrap: wrap;
    flex-direction: column;
  }

  .jjfa .title1, .jjfa .title2, .jjfa .title3 {
    width: 100%;
    padding: 30px 0;
  }

  .jjfa .title1 p, .jjfa .title2 p, .jjfa .title3 p {
    word-wrap: break-word;
    font-size: 28px;
    line-height: 34px;
    margin: 0 auto;
    width: 100%;
    text-align: center;
  }

  .jjfa_list ul {
    flex-wrap: wrap;
  }

  .jjfa_list li {
    margin: 10px;
    width: calc(50% - 20px);
  }


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

  .pro-fl {
    height: 200px;
    width: 100%;
    flex: auto;
    background-size: 100%;
  }

  .product a {

    border-left: 1px solid #dedede;
    transition: all .3s;
    width: calc(50% - 1px);
    text-align: center;
    background-color: #fff;


  }

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

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



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

  .pro-fl {
    display: none;
  }

  .product a .name {
    padding: 20px 5px;
  }

  .zyzs {

    width: 50%;
  }

  .adv-list .tab {
    flex-wrap: wrap;
  }

  .adv-list .tab a {
    width: 33.33%;
  }

  .adv-list .co li .ys-list {
    flex-direction: column;
  }

  .adv-con {
    width: 100%;
  }

  .form-bg .container {
    flex-direction: column;
  }

  .form-box-con {
    width: 100%;
    margin-top: 10px;
  }

  .form-tu {
    display: none;
  }

  .form-list {
    width: calc(50% - 20px);
    margin: 10px;
  }

  .znxq-radio-box span {
    line-height: 35px;
    width: 33.33%;
    display: flex;
    align-items: center;
  }

  .jjfaj {
    width: 48% !important;
    margin: 1% !important;
    float: left;
  }

  #suspension {
    display: none;
  }

  .bottom_nav {
    display: block;
  }

  .bottom_nav a span {
    margin: 0;
  }

  .bottom_nav a {
    flex-direction: column;
  }

  .bottom_nav a img {
    width: 26px;
  }

  .footer {
    padding-bottom: 60px;
  }

}


@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%;
    display: none;
  }

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

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

  .main_title {
    font-size: 30px;
  }

  .jjfa_list li {
    margin: 5px;
    width: calc(50% - 10px);
  }

  .jjfa-box {
    padding: 30px 0;
  }

  .jjfa {
    margin-top: 0px;
  }

  .jjfa .title1 {
    margin-top: 30px;
  }

  .advantage {
    padding: 30px 0;
  }



  .product-bg {
    padding: 30px 0;
  }

  .pro-fl {
    height: 130px;
  }

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

  .cust-form {
    padding: 20px 10px;
  }



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

  .agree {
    margin-top: 20px;
    margin-left: 10px;
    margin-right: 10px;
    display: flex;
    align-items: flex-start;
    flex-wrap: nowrap;
  }

  .banner-more {
    display: none;
  }






}