@media screen and (min-width: 1700px) {

    /* .banner {
       
        height: calc( 100vh - 212px );
     
    } */
    .banner video{
        margin-top: -200px;
    }
}

@media screen and (max-width: 1640px) {

    .banner{
        height: auto;
    }
    .business_swiper .swiper-button-prev {
        left: 12%;
    }

    .business_swiper .swiper-button-next {
        right: 12%;
    }
}

@media screen and (max-width: 1440px) {
    .business_swiper .swiper-button-prev {
        left: 12%;
    }

    .business_swiper .swiper-button-next {
        right: 12%;
    }
    .data_list .data_title span:first-child{
        font-size: 24px;
    }

}

@media screen and (max-width: 1366px) {
    .business_swiper .swiper-button-prev {
        left: 2%;
    }

    .business_swiper .swiper-button-next {
        right: 2%;
    }

    header {
        display: none
    }

    nav {
        display: none;
    }

    .mobile_nav {
        display: block
    }

    .banner {
        margin-top: 90px;

    }
    .data_list .data_title span:first-child{
        font-size: 20px;
    }
    .week_newspaper{
        margin-bottom: 1rem;
    }
    .join_us_text{
        font-size: 18px;
    }
    .mySwiper .swiper-wrapper{
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
    }
}

@media screen and (max-width: 1200px) {
    .mobile_nav {
        display: block
    }

    .banner {
        margin-top: 90px;

    }

    header {
        display: none
    }

    nav {
        display: none
    }

    .news:first-child {
        border: none;
        margin-bottom: 15px;
    }

    .news_a:first-child {
        border: none;
    }

    .news_a:nth-child(2) {
        border: none;
    }

    .business_swiper .swiper-button-prev {
        display: none !important;
    }

    .business_swiper .swiper-button-next {
        display: none !important;
    }

    .business_swiper .swiper-slide-active .big_box {
        width: 700px !important;
        height: auto !important;
        padding: 1rem 0;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .business_swiper .swiper-slide-active img {
        width: 350px !important;
        height: auto !important;
        margin: 0 auto 1rem auto;
    }

    .business_swiper .swiper-slide-active .big_box .right {
        width: 300px !important;
        height: auto !important;
        line-height: 150%;
    }

    .business_swiper .swiper-slide-active .big_box .right a {
        margin-top: 0.5rem !important;
    }

    .business_swiper {
        height: 300px;
    }

    .week_newspaper{
        height: auto;
    }
    .join_us_text{
        font-size: 18px;
    }
    .mySwiper .swiper-wrapper{
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
    }
    .pic_style img{
        height:10rem;
    }
    .swiper_btn .swiper-button-next,.swiper_btn .swiper-button-prev{
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .mySwiper .swiper-wrapper{
        width: auto;
        display:flex;flex-direction:row;justify-content:flex-start;align-items:center;
    }
    .wechat_back_to_top{
        display: none;
    }
    .mobile_nav {
        display: block
    }

    .banner {
        margin-top: 90px;
        /*height: 15rem;*/
    }

    header {
        display: none
    }

    nav {
        display: none
    }

    .news:first-child {
        border: none;
        margin-bottom: 15px;
    }

    .news .new {
        line-height: 40px;
    }

    .news_a:first-child {
        border: none;
    }

    .news_a:nth-child(2) {
        border: none;
    }

    .border-blue {
        border: none;
    }

    .mySwiper {
        width: 430px;
    }

    .mySwiper .swiper-slide .img_toggle {
        width: 50px;
        height: 50px;
    }

    .business .box:before {
        display: none;
    }

    .mySwiper .swiper-slide p {
        font-size: 20px;
    }

    .business_swiper .swiper-slide-active .big_box {
        width: 380px !important;
        height: auto !important;
        padding: 1rem 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .business_swiper .swiper-slide-active img {
        width: 350px !important;
        height: auto !important;
        margin: 0 auto 1rem auto;
    }

    .business_swiper .swiper-slide-active .big_box .right {
        width: 350px !important;
        height: auto !important;
    }

    .business_swiper .swiper-button-next, .business_swiper .swiper-button-prev {
        display: none;
    }

    .business_swiper {
        height: 550px;
    }

    .business_swiper .big_box {
        display: none;
    }

    .business_swiper .swiper-button-prev {
        display: none !important;
    }

    .business_swiper .swiper-button-next {
        display: none !important;
    }

    .swiper_honor, .swiper_employee {
        margin-bottom: 1.5rem;
    }

    .web_link, .wechat_weibo {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .foot_right div {
        text-align: center;
    }
    .people {
        padding-top: 1.5rem!important;
        padding-left: 0rem!important;
    }
    .smb-3{
        margin-bottom: 0.8rem;
    }
    .mb4 {
        margin-bottom: 0rem;
    }
    .data_list:nth-child(odd){
        margin-right: 0;
    }
    .news_list_content .title{
        font-size: 14px;
    }
    .news_list_content .time{
        font-size: 12px;

    }
    .news_list_content .description{
        font-size: 14px;
        overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
    }

    .mySwiper .swiper-slide .img_toggle:before,.mySwiper .swiper-slide .img_toggle:after{
        display: none;
    }
    .pic_style img{
        height: 6rem;
    }
    .news_show_content img {
        max-width: 100%;
        display: block;
        margin: 0 auto;
    }
}

@media screen and (max-width: 450px) {
    .mobile_nav {
        display: block
    }

    .banner {
        margin-top: 90px;

    }

    header {
        display: none
    }

    nav {
        display: none
    }

    .news:first-child {
        border: none;
        margin-bottom: 15px;
    }

    .news_a:first-child {
        border: none;
    }

    .news_a:nth-child(2) {
        border: none;
    }

    .border-blue {
        border: none;
    }

    .mySwiper {
        width: 350px;
    }

    .mySwiper .swiper-slide .img_toggle {
        width: 45px;
        height: 45px;
    }

    .business .box:before {
        display: none;
    }

    .mySwiper .swiper-slide p {
        font-size: 18px;
    }

    .business_swiper .swiper-slide-active .big_box {
        width: 355px !important;
        height: auto !important;
        padding: 1rem 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .business_swiper .swiper-slide-active img {
        width: 320px !important;
        height: auto !important;
        margin: 0 auto 1rem auto;

    }

    .business_swiper .swiper-slide-active .big_box .right {
        width: 320px !important;
        height: auto !important;
    }

    .business_swiper .swiper-button-next, .business_swiper .swiper-button-prev {
        display: none;
    }

    .business_swiper {
        height: 550px;
    }

    .business_swiper .big_box {
        display: none;
    }

    .business_swiper .swiper-button-prev {
        display: none !important;
    }

    .business_swiper .swiper-button-next {
        display: none !important;
    }

    .web_link, .wechat_weibo {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .foot_right div {
        text-align: center;
    }
    .people {
        padding-top: 1.5rem!important;
        padding-left: 0rem!important;
    }
    .smb-3{
        margin-bottom: 0.8rem;
    }
    .mb4 {
        margin-bottom: 0rem;
    }
    .data_list:nth-child(odd){
        margin-right: 0;
    }
    .news_list_content .title{
        font-size: 14px;
    }
    .news_list_content .time{
        font-size: 12px;

    }
    .news_list_content .description{
        font-size: 14px;
        overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
    }
    .mySwiper .swiper-slide .img_toggle:before,.mySwiper .swiper-slide .img_toggle:after{
        display: none;
    }
    .pic_style img{
        height: 6rem;
    }
}