@media (min-width: 1601px) {
  html {
    font-size: 16px;
  }
}

@media (min-width: 1400px) and (max-width: 1600px) {
  html {
    font-size: 14px;
  }
}

@media (min-width: 640px) and (max-width: 1399px) {
  html {
    font-size: 13px;
  }
}

@media (min-width: 481px) and (max-width: 639px) {
  html {
    font-size: 13px;
  }
}

@media (min-width: 329px) and (max-width: 480px) {
  html {
    font-size: 13px;
  }
}

@media (min-width: 768px) {}

@media (min-width: 992px) {}

@media (min-width: 1200px) {
  .page a:hover {
    border: 1px solid #15387e;
    background: #15387e;
    color: #fff;
  }
}

@media (min-width: 1280px) {}

@media (min-width: 1440px) {}

@media (min-width: 1660px) {}

@media screen and (min-width: 1200px) and (max-width: 1440px) {}

@media (max-width: 1660px) {}

@media (max-width: 1600px) {}

.web {}

.wap {
  display: none;
}

@media (max-width: 1440px) {
  .n_behaviours .box1 {
    padding: 5rem 2.5rem 4rem;
  }

  .n_behaviours .box1 ul li .con {
    padding: 2rem 1rem;
  }

  .n_behaviours .box2 {
    padding: 5rem 2.5rem 4rem;
  }
}

@media (max-width: 1360px) {
  .n_coop02 ul {
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
  }

  .linian_list {
    grid-auto-rows: 12rem;
  }
}

@media (max-width: 1280px) {
  .n_coop02 ul {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
  }

  .n_behaviours .box1 ul li .con {
    padding: 2rem 0;
  }

  .n_behaviours .box2 ul {
    grid-auto-rows: 5rem;
  }
}

@media (max-width: 1200px) {
  #nav {
    margin-right: 1.5rem;
  }

  #header {
    display: none;
  }

  #m_header {
    display: block;
  }

  #nav_btn_box {
    display: block;
  }

  .n_title {
    display: none;
  }

  #m_n_nav {
    display: block;
  }

  .web {
    display: none;
  }

  .wap {
    display: block;
  }

  span.wap {
    display: inline;
  }

  .online_q {
    display: none;
  }

  body {
    padding-top: 4.5rem;
  }

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

  .s_about .txt {
    margin-left: 0;
    max-width: 620px;
  }

  .s_about .m {
    display: flex;
    justify-content: flex-end;
  }

  .dotbox {
    display: block;
  }

  .n_hehuo ul {
    grid-auto-rows: 17rem;
  }

  .m {
    padding: 0 80px;
  }

  #nav_27 {
    transform: translateY(-4.5rem);
  }

  .n_about {
    background-size: 30rem;
  }

  .n_ziben ul {
    gap: 2rem;
  }

  .n_about .m {
    grid-template-columns: 13.75rem 1fr;
  }

  .n_banner {
    height: 20rem;
  }

  .n_subnav {
    display: none;
  }

  .n_buju01 {
    padding-top: 2.5rem;
  }

  .n_search {
    margin-top: 2rem;
  }

  .n_banner::before,
  .n_banner .m ul {
    display: none;
  }
}

@media (max-width: 1100px) {
  .foot_nav {
    display: none;
  }

}



@media (max-width: 992px) {
  .n_licheng .bd {
    display: none;
  }

  .licheng_slide_wap {
    display: block;
  }

  .n_coop02 ul {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .m {
    padding: 0 60px;
  }

  .byc {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .bycs,
  .bycs.on {
    width: 100%;
  }

  .bycs+.bycs {
    margin-left: 0;
  }


  .s_about .m {
    flex-direction: column;
    gap: 2rem;
    margin-top: 0;
  }
}

@media (min-width: 481px) and (max-width: 992px) {}

@media (max-width: 860px) {
  .contactus ul {
    margin: 0;
    gap: 3rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .contactus ul li .contactcon {
    position: relative;
    width: auto;
    transform: translate(0, 0);
    left: 0;
    bottom: 0;
    margin-top: 2.5rem;
    height: auto;
  }

  .contactus ul::before {
    display: none;
  }

  .s_qiehuan {
    flex-direction: column;
    gap: 3rem;
  }

  .s_switch {
    height: auto;
  }
}

@media (max-width: 768px) {
  .pad_top {
    padding-top: 5rem !important;
  }

  .pad_bot {
    padding-bottom: 5rem !important;
  }

  .xs_jianju {
    margin-left: -5px !important;
    margin-right: -5px !important;
  }

  .xs_jianju li {
    padding-left: 5px !important;
    padding-right: 5px !important;
  }

  .m {
    padding: 0 30px;
  }

  .s_about .txt {
    max-width: inherit;
    padding-bottom: 4rem;
  }

  .s_layout .bd .img:after {
    padding-top: 25rem;
  }

  .s_layout .bd .txt {
    height: 25rem;
  }

  .s_layout:before {
    height: 30rem;
  }

  #foot .box1 .m {
    flex-direction: column;
    align-items: flex-start;
  }

  .foot_lianxi {
    margin-bottom: 2rem;
  }

  .foot_link dl {
    width: 16rem;
  }

  #banner .swiper-container {
    height: 30rem;
  }

  .newimg {
    grid-template-columns: 1fr;
  }

  .xiaoimg .shuoming {
    padding: 0 2rem;
    width: 100%;
  }

  .xiaoimg p {
    font-size: 1.25rem;

  }

  .s_shuzi ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .gstro ul li::before {
    display: none;
  }

  .n_jianjie {
    flex-direction: column-reverse;
    padding-bottom: 2rem;
  }

  .ar_jianjie h5 {
    font-size: 1.5rem;
  }

  .n_bg .joinus ul li .join {
    position: absolute;
    right: 1rem;
    top: 1.5rem;
    gap: 0;
    width: 7.125rem;
    height: 3rem;
  }

  .n_bg .joinus>ul>li {
    padding: 2rem 1rem;
  }

  .modal-body .modal-con {
    padding: 2.5rem 1.75rem;
  }

  .linian {
    flex-direction: column;
    gap: 2rem;
  }

  .linian2 .three,
  .linian2 .four {
    grid-template-columns: 1fr;
  }

  .linian2 ul li {
    border: 1px solid #d4d4d4;
  }

  .linian3 ul {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem 1.5rem;
  }

  .contactus .my-map {
    width: 62px;
    height: 70px;
    position: absolute;
    top: 50%;
    margin-top: -84px;
    left: 50%;
    margin-left: -45px;
    background-size: 100% 100% !important;
  }

  .contactus .maps {
    height: 20.25rem;
  }

  .contactus ul li .contacts {
    width: 4.625rem;
    height: 4.625rem;
  }

  .s_earth {
    padding: 3rem 0;
  }
  .n_jianjie .n_jianjieleft::before {
    height: 98%;
    width: 95%;
  }
  .web_lc {
    display: block;
  }
  .licheng {
    display: none;
  }
}

@media (max-width: 480px) {

  .pad_top,
  .pad_top2,
  .pad_top3 {
    padding-top: 3rem !important;
  }

  .pad_bot,
  .pad_bot2,
  .pad_bot3 {
    padding-bottom: 3rem !important;
  }

  .pad_top2 {
    padding-top: 2.5rem !important;
  }

  .pad_bot2 {
    padding-bottom: 2.5rem !important;
  }

  .m {
    padding: 0 15px;
  }

  .n_banner {
    height: 10rem;
  }

  .n_banner h3 {
    font-size: 1.375rem;
    line-height: 2.4375rem;
  }

  #banner .swiper-container {
    height: 20rem;
  }

  #banner .swiper-pagination {
    bottom: 0 !important;
  }

  #banner .dotbox {
    bottom: 2.5rem;
    right: 1rem;
  }

  .dotbox .dots {
    width: 15px !important;
    height: 15px !important;
  }

  #foot .box2 .m {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .foot_link {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: 1.5rem 1rem;
  }

  .foot_link dl {
    width: 100%;
  }

  .foot_link>a {
    grid-column: 1/3;
  }

  #site_map_box dd a {
    margin-right: 18px;
  }

  #site_map_box dd h1 {
    margin-bottom: 4px;
  }

  .s_news .bd2 ul li .txt h5 {
    font-size: 1.25rem;
  }

  .n_banner p {
    font-size: 1.25rem;
    margin-top: 0;
  }

  .n_licheng {
    padding: 2rem 0;
  }

  .ar_title {
    margin-bottom: 1.5rem;
  }

  .ar_title .time {
    width: 5.5rem;
    height: 6rem;
    margin-right: 15px;
  }

  .ar_title h3 {
    font-size: 1.375rem;
  }

  .newimg {
    gap: 2rem;
  }

  .newlist li a {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .page .box {
    gap: .5rem;
  }

  .ar_title h4 {
    font-size: 1.375rem;
  }

  .bycs>.bl {
    height: 16.25rem;
  }

  .bycs .byc_tit {
    padding: 1.5rem 1.75rem;
  }

  .ywtit h5 {
    font-size: 1.375rem;
  }

  .ywmk>h5 {
    font-size: 1.25rem;
  }
  .gstro {
    display: none;
  }
  .s_shuzi ul {
    gap: 1.5rem 0;

  }

  .s_shuzi ul li div span {
    font-size: 2rem;
  }
  .s_shuzi ul li {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .s_shuzi ul li p {
    font-size: .9375rem;
  }
  .n_bg .joinus>p {
    justify-content: center;
  }

  .modal-con form ul {
    grid-template-columns: 1fr;
  }

  .modal-con form ul li:nth-child(3) {
    grid-column-start: auto;
    grid-column-end: auto;
  }

  .modal-body .modal-con {
    padding: 2rem 0;
  }

  .modal-content {
    height: auto;
    width: 90%;
  }

  #gotop {
    top: -2rem;
    width: 4rem;
    height: 4rem;
  }

  .lntit h5 {
    font-size: 1.375rem;
  }

  .n_tit h5 {
    font-size: 1.625rem;
  }

  .contactus ul {
    gap: 2rem 0;
  }

  .contactus ul li .contactcon h6 {
    font-size: .875rem;
  }

  #banner .txt h5 {
    font-size: 1.25rem;
  }

  .s_about .m .about_us h3,
  .earth_ser h3,
  .newtit h3 {
    margin: 1rem 0;
    font-size: 2rem;
  }

  .s_about {
    height: auto;
    background-size: cover;
  }

  .s_about .txt h4 {
    font-size: 1.375rem;
  }

  .s_qiehuan li h4 {
    font-size: 1.5rem;
  }

  .s_qiehuan li h6 {
    font-size: 1.25rem;
  }

  .s_qiehuan li h6 {
    padding: 1rem 0;
  }

  .s_qiehuan li p {
    margin-top: 1rem;
  }

  .s_earth .fwmap {
    position: relative;
    width: 100%;
    height: auto;
    right: 0;
    margin-top: 2rem;
    transform: translate(0, 0);

  }

  .s_earth .laoqin {
    left: 32%;
    right: auto;
    top: auto;
    bottom: 16%;
  }

  .s_newbox .snew_prev {
    right: auto;
    left: 0;
  }

  .s_newbox .snew_next {
    left: auto;
    right: 0;
  }
  .foot_lx>a {
    height: 2.5rem;
    display: flex;

  }
  .close {
    width: 1.5rem;
    height: 1.5rem;
    right: 1rem;
    top: 5%;
  }
  .libottom .chushi {
    display: none;
  }
  .libottom {
    background: url(../image/lichengbot.jpg)center no-repeat;
    background-size: cover;
    margin-top: 0;
    height: 14rem;
  }
  .n_jianjie .n_jianjieleft::before {
    bottom: -.875rem;
  }
  .modal-con form ul {
    grid-template-columns: 1fr;
  }
  .modal-con form ul li:nth-child(3) {
    grid-column-start: auto;
    grid-column-end: auto;
  }
  .modal-body .modal-con {
    padding: 2.5rem 0;
  }
  .modal-body .modal-con h5 {
    margin-bottom: 1rem;
  }
  .s_about::before {
    top: -4.0625rem;
    width: 100%;
    height: 4.0625rem;
  }
  #xingshi .swiper-slide h5 {
    font-size: 1rem;
  }
  #xingshi .swiper-slide>div {
    padding: 1.6875rem 1rem 2.25rem;
    gap: 1rem;
  }
  #youshi .swiper-slide .ysmb {
    padding: 0 1.25rem;
  }
  #youshi .img_db::after {
    padding-top: 85%;
  }
  .s_earth .fwmap ul {
    display: none;
  }
}