@media only screen and (max-width: 1200px) {
    body {
        overflow-x: hidden;
    }

    /*nav*/
    .ly_top {
        height: 70px;
        padding-left: 20px;
        padding-right: 20px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    .ly_top .top_main {
        width: 100%;
        height: 45px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: unset;
    }

    .ly_top .ly_logo {
        width: unset;
        height: 45px;
    }

    .ly_top .clear {
        display: none;
    }

    .open-menu {
        display: block;
    }

    .open-menu i {
        font-size: 30px;
        color: #009A44;
    }

    .ly_logo img {
        height: 45px;
    }

    .top_r {
        display: none;
    }

    .ly_logo > a {
        top: unset;
        margin-top: unset;
    }

    /*menu*/
    .ly_nav {
        height: unset;
    }

    .nav {
        width: 50%;
        height: 100%;
        position: fixed;
        top: 0;
        left: -50%;
        z-index: 100;
        overflow: hidden;
        background-color: #FFF;
    }

    .nav_ul {
        /*width: 200px;*/
        /*background-color: #FFF;*/
        height: 100%;
    }

    .nav_item {
        float: none;
    }

    .nav_link {
        display: block;
    }

    .hcover {
        display: block;
        width: 50%;
        height: 100%;
        background: rgba(0, 0, 0, .7);
        position: fixed;
        right: -50%;
        top: 0;
        z-index: 101;
    }


    /*!**nav**!*/
    .menu_open {
        display: block;
        float: right;
        width: 0.48rem;
        height: 0.4rem;
        position: absolute;
        top: 0.4rem;
        right: 0.3rem;
    }

    .menu_open i {
        height: 2px;
        width: 100%;
        background-color: #008ed8;
        display: block;
        margin: 0 0 8px 0;
    }

    .nav {
        width: 50%;
        height: 100%;
        position: fixed;
        top: 0;
        left: -50%;
        z-index: 100;
        overflow: hidden;
        background-color: #FFF;
    }

    .hcover {
        display: block;
        width: 50%;
        height: 100%;
        background: rgba(0, 0, 0, .7);
        position: fixed;
        right: -50%;
        top: 0;
        z-index: 101;
    }

    .nav_ul {
        margin: 0;
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        overflow-x: hidden;
        overflow-y: auto;
        padding-top: 20px;
        text-align: left;
    }

    .nav_item {
        float: none;
        margin: 0;
        width: 100%;
        height: 46px;
        position: relative;
    }

    .nav_item:after {
        content: '';
        display: block;
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, .1);
    }

    .nav_item > a {
        display: block;
        margin: 0;
        font-size: 14px;
        line-height: 1.8;
        /*color: #fff;*/
        padding: 10px 10px 10px 20px;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
        margin-right: 46px;
    }

    .nav_item i {
        position: absolute;
        z-index: 2;
        top: 0;
        right: 0;
        width: 46px;
        height: 100%;
        display: block;
    }

    /*.nav_item i:before { content: ''; display: block; height: 100%; border-left: 1px solid rgba(0, 0, 0, .1); position: absolute; top: 0; left: 0; }*/
    .nav_item i:after {
        content: '';
        display: block;
        width: 8px;
        height: 8px;
        margin-bottom: -4px;
        border: 1px solid rgba(255, 255, 255, .5);
        border-top: 0;
        border-left: 0;
        position: absolute;
        bottom: 50%;
        right: 20px;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }

    .nav_item_open {
        width: 50%;
        height: 100%;
        margin: 0;
        box-shadow: none;
        background-color: #FFF;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        -webkit-transform: translateY(0px);
        transform: translateY(0px);
        position: fixed;
        left: -50%;
        top: 0;
    }

    .subopen {
        display: block;
    }

    .subopen a {
        display: block;
        overflow: hidden;
        margin: 0;
        padding: 30px 10px 18px 20px;
        white-space: nowrap;
        text-overflow: ellipsis;
        font-size: 14px;
        color: rgba(255, 255, 255, .5);
        background: rgba(0, 0, 0, .1);
        text-indent: 20px;
        position: relative;
    }

    .subopen a:before {
        content: '';
        display: block;
        width: 8px;
        height: 8px;
        position: absolute;
        bottom: 50%;
        left: 20px;
        margin-bottom: -10px;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
        border: 1px solid rgba(255, 255, 255, .5);
        border-right: 0;
        border-bottom: 0;
    }

    .nav_item2 {
        position: relative;
    }

    .nav_item2 a {
        display: block;
        overflow: hidden;
        margin: 0;
        line-height: 1.8;
        padding: 10px 10px 10px 20px;
        white-space: nowrap;
        text-overflow: ellipsis;
        color: #fff;
    }

    .nav_item2:after {
        content: '';
        width: 100%;
        position: absolute;
        bottom: 0;
        left: 0;
        display: block;
        border-bottom-width: 1px;
        border-bottom-style: solid;
        border-bottom: 1px solid rgba(0, 0, 0, .1);
    }

    /*search*/
    .ly_search:not(.mobile-search) {
        display: none;
    }

    .nav_item > a:hover, .nav_item > a.navon {
        height: unset;
        border-bottom: unset;
    }

    .ly_search.mobile-search {
        position: unset;
        width: unset;
        padding: 10px 20px;
    }

    .ly_search.mobile-search form {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .ly_search .sc_ipt {
        width: 80%;
    }
}

/*此时service缩小到极限*/
@media only screen and (max-width: 1200px) {

    .ly_top {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 100;
        background-color: #FFF;
    }

    .content-wrapper, .index-swiper {
        margin-top: 70px !important;
    }

    /*service*/
    .service {
        height: unset;
    }

    .service ul {
        flex-wrap: wrap;
    }

    .service ul li {
        width: 17%;
    }

    /*news*/
    .ly_tit {
        width: 100%;
    }

    .section {
        width: 100%;
    }

    .container {
        width: 100%;
    }

    .web-news .hd ul {
        display: flex;
        justify-content: center;
    }

    .web-news .hd li:not(:last-child) {
        margin-right: 3px;
    }

    .web-news .bd ul {
        display: flex;
        flex-direction: column;
        height: unset;
        padding: 0 20px;
        margin-left: unset;
    }

    .web-news .bd li {
        float: unset;
        width: 100%;
    }

    .web-news .bd li a {
        margin-left: unset;
        margin-top: 10px;
    }

    .web-news .break-news .img-center {
        border-bottom: 1px solid #eee;
    }

    .web-news .bd li .img-center img {
        height: 100%;
        width: unset;
        margin: auto;
        display: block;
    }

    .web-news .bd li .info h4 {
        overflow: unset;
        white-space: normal;
    }

    /*index about us*/
    .ly_about .ab_main {
        flex-direction: column-reverse;
        height: unset;
        justify-content: center;
        align-items: center;
        width: 100%;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    .ab_main .ab_img {
        width: unset;
        height: unset;
    }

    .ab_img img {
        margin-left: unset;
    }

    .ab_main .ab_text {
        max-width: 560px;
        width: unset;
        padding: 10px;
    }

    /*footer*/
    .ft_logo {
        display: none;
    }

    .ft_block {
        max-width: unset;
    }

    /*.ft_divider:nth-child(2) {*/
    /*    display: none;*/
    /*}*/
    .ft_mobile_logo {
        display: block;
    }

    .ft_mobile_logo img {
        display: block;
        margin: 0 auto 10px;
    }

    .bc-nav {
        margin-top: 10px;
    }

    /*article*/
    .content-wrapper, .left-nav, .left-nav-title, .left-nav .left-nav-content {
        width: 100%;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    .content-wrapper {
        padding: 0 20px;
    }

    .content-sub-wrapper {
        flex-direction: column;
    }


    .left-nav-title {
        height: unset;
    }

    .left-nav .left-nav-content {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
        justify-content: flex-start;
    }

    .left-nav .left-nav-item, .left-nav .left-contact-item {
        width: 45%;
        margin: 0 20px 10px 0;
    }

    .left-nav .left-nav-item a {
        width: unset;
    }

    .content {
        padding-left: 0;
        padding-top: 20px;
    }
}

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

    .swiper-container .swiper-button-next, .swiper-container .swiper-button-prev {
        top: 60%;
        width: 34px;
        height: 15px;
    }

    .service {
        padding: 20px 0;
    }

    .service ul {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: space-around;
    }

    .service ul li {
        padding: unset;
        width: unset;
        background: unset;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    .service li a {
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
    }

    .service li a i {
        font-size: 40px;
        width: 30%;
    }

    .service li em {
        display: none;
    }

    .ly_tit {
        margin: 15px auto 5px;
    }

    /*news*/
    .web-news .hd ul {
        flex-wrap: wrap;
    }

    .web-news .hd ul li {
        width: 40%;
        margin: 5px 0;
    }

    .web-news .hd ul li a {
        margin: auto;
        width: 120px;
    }

    /*手机下强制设置字体大小*/
    .article-detail > div:not(.article-info) span, .article-detail > div:not(.article-info) p {
        font-size: 14px !important;
    }

    /*about*/
    .ab_img img {
        width: 100%;
    }

    .ly_about {
        margin: unset;
    }

    /*footer*/
    .ft_mobile_logo {
        padding: 5px 30px;
    }

    .ft_mobile_logo img {
        width: 100%;
        margin: unset;
    }

    .ft_links {
        align-items: center;
        flex-direction: row;
        justify-content: space-around;
    }

    .ft_content {
        flex-direction: column;
        padding: 10px 20px;
    }

    .footer .ft_divider:not(:first-child):not(:last-child) {

        border-right: none;
        border-bottom: 1px solid rgba(200, 200, 200, 0.5);
        margin: 0 0 10px;
    }


    .ft_contact {
        flex-wrap: nowrap;
        flex-direction: column;
    }

    .ft_block .contact_item {
        width: 100%;
        height: unset;
        min-height: 30px;
    }

    /*article*/
    .left-nav .left-nav-item, .left-nav .left-contact-item {
        width: 100%;
        margin: 0;
    }

    .left-nav .left-nav-item:not(:last-child) {
        margin-bottom: 10px;
    }

    /*service module*/
    .service-module-container {
        flex-wrap: wrap;
    }

    .service-module-block {
        width: 100%;
    }

    .content-article img, .article-detail img {
        /*取消文章中设定的图片高度*/
        height: unset !important;
        display: block;
        float: none !important;
        margin-left: auto;
        margin-right: auto;
    }

    /*paginator*/
    .paginator .pageinfo {
        display: none;
    }
}

/*@media only screen and (min-width: 2000px) {*/
/*    .content-wrapper {*/
/*        width: 100%;*/
/*        padding-left: 100px;*/
/*        padding-right: 100px;*/
/*    }*/

/*    .content-sub-wrapper {*/
/*        justify-content: space-around;*/
/*    }*/

/*    .content {*/
/*        width: 70%;*/
/*        max-width: 2000px;*/
/*    }*/
/*}*/