@media (max-width: 2561px) {
  .container {
    max-width: 1680px;
  }

}

@media (max-width: 1920px) {
  .container {
    max-width: 1420px;
  }
}

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

  .about-box {
    align-items: center;
  }

  .about_fr {
    padding-top: 124px;
  }

  .pic-data {
    margin-top: 17px;
  }

  .news_item a {
    padding: 6px 0;
  }
}

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

  .pic-data {
    margin-top: 13px;
  }

  .news_item a {
    padding: 3px 0;
  }
}

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

  .news_item .day {
    padding: 6px 0;
  }

  .pic-data {
    margin-top: 13px;
  }

  .news_item a {
    padding: 3px 0;
  }

  .about_fr {
    padding-top: 0;
  }

  .team_list .yous_txt {
    padding-top: 10px;
  }

  .team_list .yous_txt b {
    padding: 0 10px;
  }

  .team_list .yous_txt p {
    padding: 0 10px;
  }

  .histroy_con4 .item {
    width: 37%;
  }
}

@media screen and (max-width:1200px) {
  .news_item .day {
    padding: 3px 0;
  }

  .pic-data .swiper-slide img {
    height: 295px;
  }
}

@media screen and (max-width:1024px) {
  .container {
    width: 100%;
  }



  .news_item a {
    padding: 3px 0;
  }

  .foot .ewm {
    width: 25%;
  }

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

  .qj_fl {
    width: 100%;
    margin-top: 15px;
  }

  .qj_box {
    flex-wrap: wrap;
  }

}

@media screen and (max-width:990px) {

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

  .pic-data .swiper-slide img {
    height: auto;
  }

  .pic-data {
    width: 100%;
  }

  .news_list {
    width: 100%;
  }

  #header {
    height: 70px;
  }


  /*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;
  }

  .fix-side {
    display: none;
  }

  .about-box {
    flex-wrap: wrap;
  }

  .about_fr {
    width: 100%;
    padding: 0;
  }

  .about_fl {
    width: 100%;
    overflow: hidden;
    margin-top: 30px;
    padding-bottom: 30px;
  }

  .ab_bottom {
    margin-top: 20px;
  }

  .jspt ul li {
    width: 31.33%;

  }

  .pic-data {
    margin-top: 0;
  }

  .news_list .news_item:last-child {
    display: none;
  }

  .news_item a {
    padding: 22px 0;
  }

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

  .foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }

  .foot .ft-contact {
    width: 48%;
    padding-left: 2%;
  }

  .foot .ewm {
    width: 45%;
    padding-left: 5%;
  }

  .qj_jian {
    margin-top: 30px;
  }

  .qj_box {
    margin-top: 20px;
  }

  .qjw {
    margin-top: 30px;
    padding: 30px 0;
  }

  .team_list .yous_txt b {
    font-size: 20px;
  }

  .mob_history {
    display: block;
  }

  .history {
    display: none;
  }

  .liucheng ul li {
    height: auto;
  }

  .liucheng ul li img {
    width: auto !important;
  }

  .liucheng ul li:nth-child(2n) {
    display: none !important;
  }
}

@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;
  }

  .mobile-nav-toggle {
    top: 5px;
    z-index: 9999999;
  }

  .main_title .m_p1 {
    font-size: 36px;
    margin-bottom: 0;
  }

  .product {
    margin-top: 30px;
  }

  .zzsc {
    margin-top: 0;
  }

  .main_title .m_p3 {
    margin-bottom: 30px;
  }

  .zzsc .tab a {
    padding: 10px;
  }

  .team-box {
    position: relative;
    width: calc(50% - 20px);
    margin: 10px;
  }

  .about {
    padding: 30px 0;
  }

  .pic-data {
    width: 100%;
  }

  .news_list {
    width: 100%;
  }

  .news_list .news_item:last-child {
    display: block;
  }

  .news_box {
    margin-top: 30px;
  }

  .jspt {
    padding: 30px 0;

  }

  .qjwh {
    padding: 30px 0;

  }

  .news {
    margin-top: 0;
  }

  .jiam {
    margin-top: 30px;
    padding: 30px;
  }

  .jiameng {
    width: 100%;
    flex-wrap: wrap;
  }

  .jiameng form {
    flex-direction: column;
    justify-content: center;
  }

  .jiameng input[type=submit] {
    margin: 10px auto;
  }

  .jiameng input[type=text] {
    margin: 10px 0;
  }

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

  .foot {
    padding: 30px 0;
  }

  .foot .ft-contact {
    width: 100%;
    padding: 0;
    flex-direction: column;
    display: flex;
    align-items: center;
  }

  .foot .ewm {
    margin-top: 30px;
    width: 100%;
    padding: 0;
    flex-direction: column;
    display: flex;
    align-items: center;
  }

  .ft_con .ft_item {
    margin: 15px 0;
    width: 100%;
    justify-content: center;
  }

  .ft_con {
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .foot span {
    margin: 0 auto;
  }

  .zzsc .tab {
    width: 100%;
  }

  .top_list a {
    padding: 5px 10px;
    margin: 0 5px;
  }

  .top_list {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .team_list .yous_txt b {
    font-size: 14px;
  }

  .qjwh {
    margin-top: 30px;
  }

  .team {
    margin: 30px 0;
  }

}

@media screen and (max-width:640px) {

  #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;


  }

  .since .sin_info {
    margin: 0 10px;
  }

  .since {
    padding: 10px 0;
  }

  .since .container {
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .team-box .pro-tit {
    flex-direction: column;
    left: 10px;
    top: 10px
  }

  .team-content .pro_p3 {
    display: none;
  }

  .team-box .pro-tit div i {
    font-size: 20px;
  }

  .main_title .m_p1 {
    font-size: 24px;
  }

  .main_title .m_p2 {
    font-size: 20px;
  }

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

  .about_fl .ab_txt {
    margin-top: 20px;
  }

  .ab_bottom li {
    width: 50%;
  }

  .jspt ul li p {
    padding: 0;
  }

  .jspt ul li {
    width: 48%;
  }

  .jspt ul li em {
    margin-top: 10px;
  }

  .qjwh ul li p {
    padding: 0;
  }

  .qjwh ul li {
    width: 48%;
  }

  .qjwh ul li em {
    margin-top: 10px;
  }

  .pic-data .swiper-slide p {
    width: 100%;
    padding: 0;
  }

  .pic-data .swiper-container-horizontal>.swiper-pagination-bullets,
  .swiper-pagination-custom,
  .swiper-pagination-fraction {
    bottom: 34px;
  }

  .more2 {
    margin-top: 20px;
  }

  .news .tab a {
    width: 31.3%;
    margin: 10px 1%;
  }

  .top_list {
    flex-wrap: wrap;
  }

  .team_list .yous_txt {
    display: none;
  }

  .team_list .yous_tu {
    margin: 10px;
  }

  .team_list {
    background: none;
  }

  .qj_ry .ry_box a {
    width: calc(33.33% - 20px);
  }

  .qj_ry .ry_box a:last-child {
    display: none;
  }

  .qj_ry .ry_box2 a {
    width: calc(33.33% - 20px);
  }

  #banner .swiper-pagination-bullet {
    width: 20px;
  }

}

@media screen and (max-width:480px) {
  #header {
    height: 50px;
  }

  .top-box .logo {
    justify-content: flex-start;
    height: 50px;
  }

  .top-box .logo img {
    max-height: 45px;
  }

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

  .mobile-nav-toggle {
    margin-top: 4px;
  }

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

  }

  .mobile-nav-toggle {
    top: 0;
  }

  .since .sin_tit {
    margin: 5px 0;
    text-align: center;
    font-size: 24px;
  }

  .since .sin_info {
    font-size: 14px;
  }

  .since .sin_tel img {
    margin-right: 6px;
    width: 26px;
  }

  .since .sin_tel p {
    font-size: 16px;
  }

  .since .container {
    flex-wrap: wrap;
  }

  .since .sin_tit {
    margin: 5px 0;
  }

  .since .sin_tel {
    display: none;
    margin: 5px 0;
    justify-content: center;
  }

  .top_list {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}