@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) {

    .n_nav2 ul li:hover {
        background: #752919;
    }

    .n_nav2 ul li:hover a {
        color: #fff;
    }

    .page a:hover {
        border: 1px solid #4b3182;
        background: #4b3182;
        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) {
    .medias .swiper-button-white {
        display: none;
    }
}

.web {}

.wap {
    display: none;
}

@media (max-width: 1440px) {

    .s_hall .left .txt h4 {
        font-size: 2.5rem;
    }

    .s_hall .m {
        gap: 6rem;
    }

    .business_wrap .contents {
        min-height: 640px;
    }

    .business_wrap .business_slider .item {
        width: 320px;
        height: 660px;
    }

    .business_wrap .business_slider .item .img {
        height: 314px;
    }

    .business_wrap .business_slider .item.slick-on {
        width: 570px;
    }

    .business_wrap .business_slider .item.slick-on .img {
        height: 557px;
    }

    .main_home {
        height: 40rem;
    }

}



@media (max-width: 1360px) {}



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



@media (max-width: 1200px) {

    #nav {
        margin-right: 1.5rem;
    }

    #header {
        display: none;
    }

    #m_header {
        display: block;
    }

    #nav_btn_box {
        display: block;
    }

    body.nye {
        padding-top: 4.5rem;
    }

    .zidh {
        display: none;
    }

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

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

    .n_title,
    #dh {
        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;
    }

    .n_nav {
        display: none;
    }

    #m_n_nav {
        /* margin-bottom: 2rem; */
    }

    #foot .boxs .boxsle .navs,
    #banner #nav {
        display: none;
    }

}



@media (max-width: 1100px) {
    .news_xq_con {
        flex-direction: column;
    }

    .news_xq_con .left_con {
        width: 100%;
    }

    .n_news .news_xq_con .right_con {
        margin-top: 3rem;
    }

    .news_xq_con .right_con {
        width: 100%;
        margin-left: 0;
        display: flex;
        flex-direction: column;
    }

    .news_xq_con {
        flex-direction: column;
    }

    .product ul li {
        padding: 4.375rem 3.25rem;
    }

    #fen4 ul li:first-child,
    #fen4 ul li:last-child {
        padding: 2rem 2.625rem;

    }
}



/*==========================导航和banner变成手机模式============================*/



@media (max-width: 992px) {


    .foot_nav,
    #foot .m .box1s i {
        display: none;
    }

    #foot .item {
        width: 100%;
        justify-content: space-between;
    }

    .zsliucheng ul {
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
    }

    .zsliucheng .lctit {
        justify-content: center;
    }

    .s_ztyanjiu #zhongtai .swiper-slide {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    #zhongtai .swiper-pagination {
        top: 360px;
        padding-left: 14rem;
        padding-right: 0;
    }

    .s_fmk ul , .n_contact ul {
        grid-template-columns: 1fr 1fr;

    }

    .s_jiaoliu .m {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .s_video .m .videobox {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .video_tit {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
    }

    .s_video .video_tit p {
        margin: 0;
    }

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

    .n_wzxq .m {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .n_wzxq .leftxq {
        padding-right: 0;
    }

    .n_wzxq .leftxq::before {
        display: none;
    }
}



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



@media (max-width: 860px) {
    #banner .swiper {
        height: 30rem;
    }


    .n_tzgg .impnew .m , .n_laoshi ul , .n_xuesheng ul {
        grid-template-columns: 1fr;
    }
    .n_lxxm ul , .n_national ul {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    .impcon {
        border-left: none;
    }

    .impcon ul li {
        border-left: none;
        padding: 1rem 0 1.5rem;
    }

    .impcon ul li:hover {
        border-left: none;
    }

    .imptu {
        margin-right: 0;
        border-bottom: 1px solid #d2d3d5;
    }
    .n_laoshi ul , .n_xuesheng ul {
        gap: 1.5rem;
    }
}



@media (max-width: 768px) {
    .m {
        padding: 0 30px !important;
    }

    .pad_top {
        padding-top: 5rem !important;
    }

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

    #foot .box2 .m {
        flex-direction: column;
        gap: 0;
    }

    .foot_link {
        margin-top: 2rem;
        width: 100%;
    }

    #foot .boxs {
        flex-direction: column;
        gap: 2rem;
    }

    .n_short ul li a {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding: 1.5rem;
    }

    .s_hwstudy ul li .img_db::after {
        padding-top: 67%;
    }

    .s_hwstudy {
        background-size: cover;
    }

    #liuxs .swiper-slide .lxscon h5 {
        font-size: 1.5rem;
    }

    .modal-body .modal-con {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: center;
    }

    .modal-body {
        height: 37.5rem;
        overflow: auto;
        padding: 2.875rem;
    }

    .modal-con h5 {
        padding-top: 0;
    }

    #xyphone .swiper-slide {
        padding: 2.75rem 1.5rem;
    }

    .n_video .videolist {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    .n_ceping form .tops, .n_ceping form .bottoms {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .n_ceping form .mids {
        gap: 1rem;
        margin: 1rem 0;
    }
    .n_ceping form .english , .n_ceping form .match {
        flex-direction: column;
        align-items: flex-start !important;
    }
    .n_ceping form .mids .chengji {
        gap: 0;
        flex-direction: column;
    }
    .n_ceping form .bottoms button {
        height: 3rem;
    }
}



@media (max-width: 480px) {
    #n_banner {
        height: 14.5rem;
    }

    #n_banner h3 {
        font-size: 1.875rem;
    }

    #n_banner p {
        font-size: 1.375rem;
    }

    .swiper_con {
        padding: 1rem 0.875rem 1rem 1rem;
        width: auto;
        height: auto;
    }

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

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

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

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

    .pad_top3 {
        padding-top: 2rem !important;
    }

    .pad_bot3 {
        padding-bottom: 2rem !important;
    }

    .m {
        padding: 0 15px !important;
    }


    #banner .swiper {
        height: 16rem;
    }

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

    #foot .item {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .copyright {
        padding: 2rem 0;
    }

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

    #foot .item .ewms {
        width: 100%;
    }

    .ewm {
        margin: auto;
    }

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

    .s_fmk ul li h5 {
        font-size: 1.375rem;
    }

    .s_fmk ul li p {
        height: 2.5rem;
    }

    .s_fmk ul li a {
        padding: 1.5rem;
    }

    .s_ztyanjiu {
        padding: 1.6875rem 0;
    }

    #zhongtai .swiper-slide p {
        font-size: 1.125rem;
    }

    #zhongtai .swiper-slide h5,
    .sm h5,
    .s_hwstudy ul li .hwcon h5 {
        font-size: 1.5rem;
        line-height: 2rem;
    }

    #zhongtai .swiper-slide h6,
    .sm h6 {
        font-size: 1.375rem;
    }

    #zhongtai .swiper-pagination {
        top: 56%;
        padding-left: 14rem;
        padding-right: 0;
    }

    #mangu .swiper-slide .box .img {
        height: 15.9375rem;
    }

    #mangu .swiper-slide .box .mgcon p,
    .s_video .video_tit p,
    .s_teacher .talk h6 {
        font-size: 1.125rem;
    }

    .s_jiaoliu .jlleft .hot h5,
    .s_jiaoliu .jlright ul li a .gonggao h5,
    .s_video #dxvideo a .dxcon h5,
    .n_download ul li a h5 {
        font-size: 1.25rem;
    }

    .s_jiaoliu .jlright ul li a p {
        display: none;
    }

    .s_video #dxvideo a .dxcon {
        gap: 1rem;
        height: 15rem;
    }

    .s_video .vd_prev , .sixtu .incprev {
        left: 38%;
    }

    .s_video .vd_next , .sixtu .incnext {
        right: 38%;
        left: auto;
    }

    .s_video .swiper-button-white , .sixtu .swiper-button-white {
        bottom: -3.75rem;
        top: auto;
    }
    .sixtu .swiper-button-white {
        width: 2.6875rem;
        height: 2.6875rem;
    }
    .s_hwstudy ul li .img .svgs {
        width: 3.3125rem;
        height: 3.3125rem;
    }

    .s_hwstudy ul li .img .svgs svg {
        width: 2rem;
        height: 2rem;
    }
    .sixtu .swiper-button-white svg {
        width: 1.5rem;
        height: 1.5rem;
    }
    .bg_tit {
        padding-bottom: 2rem;
    }

    .bg_tit h5 {
        font-size: 1.75rem;
    }

    .bg_tit p {
        font-size: 1.5rem;
    }

    .s_hwstudy {
        margin-bottom: 0;
    }

    #liuxs .swiper-slide .lxscon p {
        margin: 1rem 0;
    }

    .s_exllent .lxs .swiper-button-white {
        top: auto;
        bottom: -4rem;
        margin-top: 0;
        transform: translate(0, 0);
        width: 3.0625rem;
        height: 3.0625rem;
    }

    .s_exllent .lxs .swiper-button-white svg {
        width: 1.5rem;
        height: 1.5rem;
    }

    .s_exllent .lxs .lxsprev {
        left: 35%;
    }

    .s_exllent .lxs .lxsnext {
        right: 35%;
    }

    .n_download ul , .n_contact ul {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .n_guoji .gj {
        padding-top: 0 !important;
        padding-bottom: 2rem !important;
    }

    .gj ul {
        justify-content: space-between;
    }

    .gj ul li {
        margin: 0;
    }

    .gj ul li a {
        width: 12.125rem;
        font-size: 1.125rem;
    }

    .xueyuangk h4 {
        font-size: 1.875rem;
    }

    #xyphone .swiper-slide {
        height: 20.5rem;
    }

    #foot .boxsri .zix {
        margin-right: 13px;
    }

    .ar_title .time {
        width: 4.4375rem;
        height: 5.6875rem;
    }

    .ar_title .time span {
        font-size: 2rem;
    }

    .ar_title h3 {
        font-size: 1.375rem;
        line-height: 1.5;
    }

    .n_wzxq .rightxq ul {
        gap: 1.25rem;
    }

    .n_wzxq .rightxq ul li {
        padding-bottom: 1.1875rem;
    }

    .n_wzxq .rightxq h5 {
        font-size: 1.5rem;
    }

    .gglist ul li {
        padding-bottom: 1.5rem;
    }

    .n_tzgg .impnew h5,
    .gglist ul li h5 , .n_video .videolist li h5 , .n_lxxm .lxxmcon h5 , .n_national ul li .guojicon h5 {
        font-size: 1.25rem;
    }

    .videolist li a .img::before {
        width: 2.375rem;
        height: 2.375rem;
    }
    .n_video .videolist li .videocon , .n_national ul li .guojicon {
        padding: 1.5rem 1.25rem;
        height: auto;
    }
    .close {
        right: 5%;
        top: 1rem;
    }
    .modal-content , .modal-body {
        height: auto;
    }
    .n_laoshi ul li .lscon .n_xuesheng ul li .lscon {
        padding: 2rem 1.5rem;
    }
    .n_lxxm .lxxmcon {
        height: auto;
        padding: 1.25rem;
    }
    .n_lxxm .lxxmcon p {
        line-height: 1.5;
    }
    .n_lxxm ul li .img_db::after {
        padding-top: 69.2%;
    }
    .n_liuxuexq .xqtit h4 {
        font-size: 1.875rem;
    }
    .n_ceping form .mids .engsp {
        grid-template-columns: auto auto auto;
        gap: 1.25rem;
    }
    .n_contact ul li h5 {
        font-size: 1.375rem;
    }
    .n_hwmove .haiwai .weizhi {
        padding: 0.5rem 2.5rem;
    }
    .n_short .sixtu {
        margin-top: 3rem;
    }
    .n_download ul li a {
        padding: 2rem 1.875rem;
    }
    .modal-body {
        padding: 1.875rem 2.875rem;
    }
    .s_teacher .swiper-slide .talk .nr {
        max-height: 12.5rem;
        min-height: auto;
    }
    .modal-con img {
        width: 15rem;
    }
    .s_video , .n_short {
        padding-bottom: 5rem !important;
    }
    .s_exllent .morexs {
        margin-top: 5.5rem;
    }
    .s_video #dxvideo a {
        height: auto;
    }
    .modals .modal-content {
        width: 90%;
        height: 31.375rem;
    }
    .modals .modal-body{
        padding: 3rem 2rem 2.4375rem;
    }
    .modals .modal-tit {
        margin-bottom: 1.5rem;
        font-size: 1.5rem;
    }
}


@media (max-width: 350px) {}