@media(max-width:1300px) {
    footer .left .col {
        margin: 0 4%;
    }

    .nav>ul>li {
        margin: 0 10px;
    }

    .w72 {
        width: 84%;
        margin: 0 auto;
    }

}

@media(max-width:1200px) {
    .w72 {
        width: 92%;
    }

    header .logo img {
        width: 320px;
    }

    .i_nav {
        width: 96%;
    }

    .w84{
        width: 92%;
    }

    .culture .flex .pic{
        width: 100%;
    }

    .culture .flex .right{
        width: 100%;
        margin-left: 0;
        margin-top: 20px;
    }
}

@media(max-width:1023px) {
    body {
        padding: 52px 0 0;
    }

    .head_green {
        position: fixed;
        top: 0;
        left: 0;
        height: 2px;
        width: 100%;
        z-index: 999;
    }

    header {
        position: fixed;
        top: 2px;
        left: 0;
        width: 100%;
        height: 52px;
        padding: 0;
        margin-top: 0;
        background: #fff;
        box-shadow: 6px 1px 26px 2px rgba(0, 0, 0, 0.3);
        z-index: 999;
    }

    .nav,
    .head_top {
        display: none;
    }

    .home_btn {
        position: absolute;
        display: block;
        right: 4%;
        top: 10px;
    }

    header .logo img {
        width: 199px;
        height: 26px;
    }

    .home_btn img {
        width: 20px;
        height: 20px;
    }

    .content1 .video {
        flex-wrap: wrap;
        justify-content: center;
    }

    .content1 .video .video_info {
        width: 100%;
        padding: 0;
        margin-top: 30px;
    }

    footer .flex {
        justify-content: center;
    }

    footer .left {
        display: none;
    }

    .i_nav .w72 a {
        padding: 0 10px;
        font-size: 18px;
    }

    .member .wrap {
        flex-wrap: wrap;
    }

    .member .wrap .pic {
        width: 100%;
    }

    .member .wrap .right {
        width: 100%;
    }

    .news .news_title {
        padding: 0;
        margin: 30px 0;
    }

    .news .news_title img {
        width: 100%;
        margin-right: 0;
    }

    .news .news_title .news_content .title {
        margin-bottom: 30px;
    }

    .news .news_title .news_content .btn {
        margin-top: 30px;
    }

    .news .news_list {
        padding: 0 2%;
    }

    .news_show {
        padding: 0 10px;
    }

    .business_show {
        flex-wrap: wrap;
        flex-direction: column-reverse;
    }

    .business_show .info {
        width: 100%;
        margin-top: 20px;
    }

    .business_show .info .over {
        height: auto;
        overflow: inherit;
    }

    .business_show .business_show_imgs {
        width: 100%;
        margin-top: 20px;
        padding: 0;
    }
    
    .news_content{
        padding: 20px;
    }

    .news_list .row{
        padding: 20px 0;
    }


}


@media(max-width:768px) {

    .c_tit1 .left h1,
    .c_tit1 .left span,
    .c_tit2 h1,
    .c_tit2 span {
        font-weight: bold;
    }

    .banner {
        width: 100%;
    }

    .banner .swiper-button-prev {
        left: 0;
        width: 30px;
        height: 30px;
        background-size: 10px 18px;
    }

    .banner .swiper-button-next {
        right: 0;
        width: 30px;
        height: 30px;
        background-size: 10px 18px;
    }

    .i_banner {
        width: 100%;
    }

    .content1 {
        padding: 30px 0 0;
    }

    .c_tit1 .left h1 {
        font-size: 18px;
    }

    .c_tit1 .left span {
        font-size: 14px;
    }

    .c_tit1 .right a {
        margin-right: 5px;
        font-size: 12px;
    }

    .c_tit1 .right img {
        width: 16px;
    }

    .content1 .video .video-wrap {
        height: 200px;
    }

    .content1 .video .video_info p {
        margin-bottom: 20px;
        font-size: 14px;
    }

    .pic_wrap_flex_three .wrap {
        /* width: calc(50% - 5px); */
        width: 100%;
        margin: 0 0 30px 0;
    }

    .pic_wrap_flex_three .wrap:nth-child(3n) {
        margin: 0 0 30px 0;

    }

    .pic_wrap_flex_three .wrap:nth-child(even) {
        margin: 0 0 30px 0;

    }

    .pic_wrap_flex_three .wrap .info {
        height: 32px;
        line-height: 32px;
    }

    .pic_wrap_flex_three .wrap .info p {
        font-size: 12px;
    }

    .content3 {
        margin-top: 15px;
    }

    .news_wrap_flex_two .wrap {
        padding: 10px;
        margin: 0 0 20px;
        width: 100%;
        flex-wrap: wrap;
    }

    .news_wrap_flex_two .wrap:nth-child(2n) {
        margin: 0 0 20px;
    }

    .news_wrap_flex_two .wrap .pic {
        width: 100%;
        height: auto;
        margin-bottom: 10px;
    }

    .news_wrap_flex_two .wrap .info {
        width: 100%;
        padding: 0;
    }

    .news_wrap_flex_two .wrap .info .tit {
        font-size: 16px;
    }

    .news_wrap_flex_two .wrap .info p {
        margin-top: 10px;
        line-height: 24px;
        font-size: 12px;
    }

    .news_wrap_flex_two .wrap .pic img {
        width: 100%;
        height: auto;
    }

    footer {
        display: none;
    }



    .content1 .video {
        padding: 30px 0 0;
    }

    .copyright .flex {
        height: auto;
        padding: 10px 0;
        text-align: center;
        line-height: inherit;
        flex-wrap: wrap;
    }

    .copyright .flex .left {
        width: 100%;
        margin-bottom: 10px;
        font-size: 12px;
    }

    .copyright .flex .right {
        width: 100%;
        font-size: 12px;
    }

    .copyright .flex .right a {
        font-size: 12px;
    }

    .i_nav {
        width: 92%;
        margin: 10px auto 20px;
    }

    .i_nav .w72 {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .i_nav .w72 a {
        width: 33%;
        margin: 0;
        font-size: 16px;
    }

    .c_tit2 h1 {
        margin-right: 10px;
        font-size: 18px;
    }

    .c_tit2 span {
        font-size: 14px;
    }

    .about .info p {
        margin: 10px 0;
        font-size: 14px;
        line-height: 28px;
    }

    .about .info img.sp {
        margin: 10px 2% 0 0;
    }

    .about .info img.sp:nth-child(odd) {
        margin: 10px 0 0 2%;
    }

    .promotion_video .video {
        width: 100%;
        margin: 20px auto;
        padding: 20px;
    }

    .honor .flex .wrap {
        width: calc(calc(100% - 10px) / 2);
        margin: 10px 0 10px 5px;
    }

    .honor .flex .wrap:nth-child(3n) {
        margin: 10px 0 10px 5px;
    }

    .honor .flex .wrap:nth-child(odd) {
        margin: 10px 5px 10px 0;
    }

    .honor .flex .wrap .info p {
        margin-top: 10px;
        font-size: 14px;
    }

    .c_page ul li a {
        padding: 4px 6px;
    }

    .mt30 {
        margin-top: 15px;
    }

    .history {
        background: url(../images/history.png) no-repeat top 200px center/100%;
    }

    .history .flex::before {
        left: 8px;
        top: 15px;
    }

    .history .flex .wrap {
        width: 100%;
        margin-bottom: 30px;
    }

    .history .flex .wrap::before {
        top: 0;
        width: 16px;
        height: 16px;
    }

    .history .flex .wrap:nth-child(even) {
        padding: 0 30px;
    }

    .history .flex .wrap:nth-child(odd) {
        padding: 0 30px;
    }

    .history .flex .wrap:nth-child(odd)::before {
        left: 0;
    }

    .history .flex .wrap:nth-child(even)::before {
        right: inherit;
        left: 0;
    }

    .history .flex .wrap .time p {
        margin-bottom: 10px;
        font-size: 16px;
    }

    .history .flex .wrap .info p {
        font-size: 14px;
    }

    .culture {
        width: 100%;
        padding: 20px 0 0;
    }

    .culture .flex {
        padding: 15px 0 20px;
    }

    .culture .wrap {
        flex-wrap: wrap;
        flex-direction: column-reverse;
        border-radius: 4px;
        overflow: hidden;
    }

    .culture .wrap:nth-child(even) {
        flex-direction: column-reverse;
    }

    .culture .wrap .info {
        width: 100%;
        padding: 10px;
    }

    .culture .wrap .pic {
        width: 100%;
    }

    .culture .wrap .info .tit {
        margin: 0 0 15px 0;
        font-size: 18px;
    }

    .culture .wrap .info p {
        font-size: 14px;
    }

    .member {
        padding: 20px 0 0;
    }

    .member .wrap .right {
        padding: 20px 4%;
    }

    .member .wrap .right .tit {
        font-size: 16px;
    }

    .member .wrap .right h3 {
        margin: 10px 0;
    }

    .news .news_title {
        margin-top: 0;
        padding-top: 30px;
        margin-bottom: 20px;
    }

    .news_show {
        padding-top: 20px;
    }

    .news_show .title h1 {
        font-size: 16px;
    }

    .news_show .title span {
        font-size: 14px;
    }

    .news .news_title .news_content span {
        font-size: 12px;
    }

    .news .news_title .news_content .title {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .news .news_title .news_content .text {
        font-size: 12px;
        height: 54px;
        line-height: 150%;
    }

    .news .news_title .news_content .btn {
        margin-top: 20px;
    }

    .news_list .row .avatar {
        /* display: none; */
        width: 78px;
        height: 60px;
    }

    .news_list .row .time_wrapper {
        margin-right: 10px;
        width: 60px;
    }

    .news_list .row .time_wrapper .day {
        font-size: 20px;
    }

    .news_list .row .time_wrapper .month {
        font-size: 10px;
    }

    .news_list .row .content .title {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .news_list .row .content .desc {
        display: -webkit-box;
        overflow: hidden;
        font-size: 12px;
        line-height: 16px;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
    }

    .news_show {
        margin-top: 0;
        padding-top: 25px;
    }

    .news_show .news_show_row {
        padding: 20px 0;
    }

    .news_show .news_show_row p {
        margin: 10px 0;
        font-size: 16px;
        line-height: 200%;
    }

    .page {
        padding: 15px 0 80px;
    }

    .page .row {
        margin: 10px 0;
        font-size: 14px;
    }

    .page .btn_return {
        bottom: 10px;
        width: 84px;
        height: 36px;
        line-height: 36px;
        font-size: 16px;
        border-radius: 4px;
    }

    .mt70 {
        margin-top: 30px;
    }

    .c_tit3 h1 {
        margin-bottom: 10px;
        font-size: 18px;
    }

    .c_tit3 span {
        font-size: 14px;
    }

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

    .business_nav .wrap {
        width: 100%;
        margin: 0 0 20px;
        border-radius: 8px;
    }

    .business_nav .wrap:nth-child(2n) {
        margin: 0 0 20px;
    }

    .business_nav .wrap .info {
        padding: 10px;
    }

    .business_nav .wrap .info .tit {
        margin-bottom: 10px;
        font-size: 18px;
    }

    .business_nav .wrap .info p {
        font-size: 14px;
    }

    .business_scope img {
        margin: 20px auto;
    }

    .business_scope p {
        margin: 20px 0;
        padding: 0;
        font-size: 14px;
        line-height: 150%;
    }

    .padbot70 {
        padding-bottom: 40px;
    }

    .business_show .info .tit h2 {
        font-size: 18px;
    }

    .business_show .info span {
        font-size: 16px;
    }

    .business_show .info .over {
        margin: 20px 0 0;
    }

    .business_show .info .over p {
        font-size: 14px;
        line-height: 28px;
    }

    .business_show_imgs .swiper-button-prev,
    .business_show_imgs .swiper-button-next {
        width: 30px;
        height: 30px;
        background-size: 10px 18px;
    }

    .join .wrap {
        flex-wrap: wrap;
    }

    .join .wrap .pic {
        position: relative;
        width: 100%;
        height: auto;
    }

    .join .wrap .info .tit {
        margin-bottom: 10px;
        font-size: 18px;
    }

    .join .wrap .info .over {
        height: auto;
        overflow: inherit;
    }

    .join .wrap .info .over p {
        line-height: 24px;
    }

    .join .wrap .info {
        width: 100%;
        height: inherit;
        padding: 10px;
        margin: 0;
    }

    .join .wrap:nth-child(odd) .info {
        padding: 10px;
        margin: 0;
    }

    .employee .wrap {
        flex-wrap: wrap;
    }

    .employee .wrap .pic {
        width: 100%;
    }

    .employee .wrap .pic img {
        width: 100%;
    }

    .employee .wrap .info {
        width: 100%;
        padding: 10px;
    }

    .employee .wrap .info .tit {
        margin-bottom: 10px;
        font-size: 18px;
    }

    .employee .wrap .info .over {
        line-height: 28px;
    }

    .job_row .row .hide {
        padding: 15px 4%;
    }

    .job_row .row:nth-child(1) .flex span {
        font-size: 16px;
    }

    .job_row .row:nth-child(1) .flex span:nth-child(2),
    .job_row .row:nth-child(1) .flex span:nth-child(3) {
        width: 33%;
        text-align: left;
    }

    .job_row .row .flex span {
        padding: 0 2%;
        font-size: 14px;
    }

    .job_row .row .flex span:nth-child(2) {
        width: 20%;
        text-align: center;
    }

    .job_row .row .flex span:nth-child(3) {
        width: 47%;
        text-align: center;
    }

    .job_row .row .flex .btn img {
        right: 2%;
        width: 16px;
        height: 16px;
    }

    .job_row .row .hide p {
        margin: 10px 0;
        font-size: 12px;
    }

    .job_row .row .hide p.green {
        margin-top: 20px;
    }

    .contact .wrap .tit {
        padding: 10px 4%;
        text-align: left;
        font-size: 18px;
    }

    .contact .wrap .tit p {
        width: calc(100% - 88px);
    }

    .contact .wrap .tit .btn_map img {
        width: 18px;
        height: 18px;
    }

    .contact .wrap .text p {
        width: 80%;
    }

    .messages_top {
        margin: 30px 0;
    }

    .messages_top .wrap {
        width: 80%;
        padding: 20px 0;
    }

    .messages_bot .flex {
        margin-top: 20px;
    }

    .messages_bot .flex .ipt_wrap {
        width: 100%;
        padding: 0;
        margin-bottom: 20px;
    }

    .messages_bot .flex .ipt_wrap:nth-child(2) {
        padding: 0;
    }

    .messages_bot .flex .ipt_wrap.ipt_wrap_sp {
        width: 100%;
    }

    .messages_bot .submit {
        width: calc(100% - 60px);
        height: 44px;
        line-height: 44px;
        font-size: 16px;
        border-radius: 20px;
    }

    .news_list .row .content .title{
        margin-top:0 ;
    }

    .news_list .row .time_wrapper{
        margin-top: 0;
    }

    .business_show_imgs .swiper-container{
        height: 270px;
    }

    .business_btn_return{
        width: 100%;
        height: 44px;
        margin: 20px auto;
        font-size: 14px;
        line-height: 44px;
        border-radius: 4px;
    }
}


.mobile_menu {
    position: fixed;
    display: none;
    top: 52px;
    width: 100%;
    height: calc(100% - 52px);
    max-height: calc(100% - 52px);
    background: #f5f5f5;
    padding: 24px;
    overflow: auto;
    z-index: 99;
}

.mobile_menu>li {
    position: relative;
    margin: 5px;
    border-bottom: 1px solid #dcdcdc;
    line-height: 50px;
    font-size: 16px;
}

.mobile_menu>li.cur>a {
    background: #37AC68;
}

.mobile_menu .cur>a {
    color: white;
}

.mobile_menu>li>a {
    display: block;
    width: 100%;
    padding: 0 30px;
    color: black;
}

.mobile_menu li ul li {
    line-height: 44px;
}

.mobile_menu li ul li a {
    display: block;
    width: 100%;
    color: #7a7a7a;
    padding: 0 50px;
}

.mobile_menu .li_show>a {
    background: url(../images/icon_jiahao2.png) no-repeat;
    background-size: 18px 18px;
    background-position: 96% center;
}

.mobile_menu .li_show.cur>a {
    background: url(../images/icon_jianhao2.png) no-repeat;
    background-size: 18px auto;
    background-position: 96% center;
    background-color: #37AC68;
}