@media (max-width:1466px){
    #banner_swiper{
        height: 100vh;
    }
    .ttld_quality,.ttld_product,.ttld_quality,.ttld_about{
        display: inherit;
        padding-top:150px;
    }
    .ttld_news{
        display: inherit;
    }
    
}

@media (max-width:1000px) {
    .burger {
        position: relative;
        width: 32px;
        height: 22px;
        background: transparent;
        cursor: pointer;
        display: block;
    }
    .burger input {
        display: none;
    }
    
    .erji_nav{
        display: none !important;
    }

    .header .burger span {
        display: block;
        position: absolute;
        height: 2px;
        width: 100%;
        background: white;
        border-radius: 9px;
        opacity: 1;
        left: 0;
        transform: rotate(0deg);
        transition: .25s ease-in-out;
    }
    .header_white .burger span{
        background-color: #0c93f1;
    }
    .burger span:nth-of-type(1) {
        top: 0px;
        transform-origin: left center;
    }
    
    .burger span:nth-of-type(2) {
        top: 50%;
        transform: translateY(-50%);
        transform-origin: left center;
    }
    
    .burger span:nth-of-type(3) {
        top: 100%;
        transform-origin: left center;
        transform: translateY(-100%);
    }
    .burger input:checked ~ span:nth-of-type(1) {
        transform: rotate(45deg);
        top: 0px;
        left: 5px;
    }
    .burger input:checked ~ span:nth-of-type(2) {
        width: 0%;
        opacity: 0;
    }
    .burger input:checked ~ span:nth-of-type(3) {
        transform: rotate(-45deg);
        top: 23px;
        left: 5px;
    }
   .header,
   .banner_swiper,
   .ttld_product_wrap,
   .ttld_quality_wrap,
   #yingyong_swiper,
   #yingyong_thumbs,
   .about_wrap,
   .ttld_advantage_wrap,
   .news_wrap,
   .footer_top,
   .footer_bottom{
        zoom: 1;
    }
    .ttld_center{
        width: 100%;
        box-sizing: border-box;
        padding: 0 5%;
    }
    .back_case{
        margin-bottom: 10%;
    }
    .section{
        padding-top: 50px;
    }
    .header .header_wrap{
        height: 50px;
        align-items: center;
    }
    .header .header_wrap .logo img{
        width: 50%;
    }
    .header .header_wrap .navigation{
        width: 100%;
        height: 100%;
        padding: 0 5%;
        box-sizing: border-box;
        margin-top: 50px;
        position: fixed;
        top: 0;
        left: -100%;
        background-color: white;
        flex-direction: column;
        justify-content: start;
        transition: all .3s ease-in-out;
        border-top: 1px solid #f0f0f0;
    }
    .header ul li{
        border-bottom: 1px solid #f0f0f0;
    }
    .header ul li a{
        font-size: 14px;
        color: #333;
        line-height: 50px;
    }

    .header .header_wrap .dianhua{
        width: 100%;
        padding: 0 5%;
        box-sizing: border-box;
        position: fixed;
        top: 85%;
        left: -100%;
        justify-content: start;
        transition: all .3s ease-in-out;
    }
    .header .header_wrap .dianhua p{
        color: #0c93f1;
    }
    .header_white .dianhua .icon_1,
    .dianhua .icon_1{
        display: none;
    }
    .header_white .dianhua .icon_2,
    .dianhua .icon_2{
        display: block;
    }
    
/* banner */
    .ttld_banner{
        padding-top: 0;
    }

	.ttld_banner .one{
	  display: none;
	}

	.ttld_banner .two{
	  display: none;
	}

/* product */
    #pro_swiper .swiper-slide{
        flex-wrap: wrap;
    }
    #pro_swiper .swiper-slide .item{
        width: 48%;
        margin-bottom: 5%;
    }
    .ttld_product #pro_thumbs .swiper-slide{
        font-size: 13px;
    }
    .ttld_product #pro_thumbs .swiper-slide>p{
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .ttld_product #pro_thumbs .swiper-slide .icon_box{
        width: 40px;
        height: 40px;
    }
    #pro_swiper .swiper-slide .item .pro_img{
        padding: 0;
    }
    #pro_swiper .swiper-slide .item .pro_text h3{
        font-size: 18px;
    }
    #pro_swiper .swiper-slide .item .pro_text p{
        font-size: 12px;
        line-height: 20px;
    }
    #pro_swiper .swiper-slide .item .jiantou{
        width: 100%;
        margin: 0;
    }
    #pro_swiper .swiper-slide .item .jiantou img{
        width: 10%;
    }
    #pro_swiper .swiper-slide{
        padding-top: 8%;
    }
/* quality */
.ttld_quality{
    background-size:cover;
    background: url(../image/quality-bg.jpg) fixed center;
    overflow: hidden;
    padding:40px 0;
} 
.ttld_quality_wrap{
width: 100%;
height: auto;
padding: 10% 2.5%;
box-sizing: border-box;
display: flex;
flex-direction: column;
border: none;
border-radius: 0;
}
.ttld_quality_wrap i:after{display:none;}
.ttld_quality_wrap .zhong_text,
.ttld_quality_wrap .item_1,
.ttld_quality_wrap .quality_left{
    position: static;
    width: 100%;
    transform: none;
}
.ttld_quality_wrap .zhong_text{
    text-align: left;
    order: 1;
}
.ttld_quality_wrap .zhong_text h3{
    font-size: 22px;
}
.ttld_quality_wrap .zhong_text p{
    font-size: 14px;
    line-height: 20px;
    padding: 2% 0;
}
.ttld_quality_wrap .item_1{
    order: 2;
    font-size: 18px;
    position: relative;
    top: 0;
    left: 0;
    padding: 1% 0;
    border-bottom: 1px solid rgba(255, 255, 255, .5);
}
.ttld_quality_wrap .item_1 p,
.ttld_quality_wrap .quality_left .left_item p,
.ttld_quality_wrap .quality_right .left_item p{
    order: 1;
    text-align: left;
    font-size: 16px;
    margin: 0;
    line-height: 20px;
    padding-left: 6%;
}
.ttld_quality_wrap .item_1 .num,
.ttld_quality_wrap .quality_left .left_item .num{
    width: 20px;
    height: 20px;
    line-height: 20px;
    font-size: 16px;
    position: absolute;
    top: 5px;
    left: 0;
    margin: 0;
}
.ttld_quality_wrap .xq_quality{
    display: block;
    width: 100%;
    padding: 0px;
    font-size: 12px;
    line-height: 16px;
    background: none;
    color: white;
    position: static;
    margin-top: 2%;
}
.ttld_quality_wrap .xq_quality::after,
.ttld_quality_wrap .xq_quality img,
.ttld_quality_wrap .xq_quality li,
.ttld_quality_wrap .xq_quality li::before{
    display: none;
}

.ttld_quality_wrap .quality_left{
    order: 4;
    position: static;
    display: inherit;
    flex-direction: inherit;
}
.ttld_quality_wrap .quality_left .left_item{
    display: block;
    margin-bottom: 0;
    transform: none !important;
    padding: 1% 0;
    border-bottom: 1px solid rgba(255, 255, 255, .5);
}
.ttld_quality_wrap .quality_right{
    flex-direction: column;
    order: 3;
}


    /* yingyong */
    .ttld_yingyong>h3{
        font-size: 22px;
        top: 10%;
        left: 6%;
    }
    #yingyong_swiper .swiper-slide>img{
        height: 100%;
        transform: translateX(-50%);
    }
    #yingyong_swiper .swiper-slide .text{
        width: 88%;
        left: 6%;
        top: 8%;
    }
    #yingyong_swiper .swiper-slide .text h3{
        font-size: 18px;
    }
    #yingyong_swiper .swiper-slide .text h3::after{
        width: 100%;
        height: 1px ;
        opacity: .5;
    }
    #yingyong_swiper .swiper-slide .text p{
        font-size: 14px;
        line-height: 26px;
    }
    #yingyong_swiper .swiper-slide .text a{
        font-size: 14px;
    }
    #yingyong_thumbs{
        padding: 0;
    }
    #yingyong_thumbs .swiper-slide{
        padding: 3% 0;
    }
    #yingyong_thumbs .swiper-slide .icon_img{
        width: 42px;
        height: 36px;
        margin-bottom: 10%;
    }
    #yingyong_thumbs .swiper-slide p{
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* about */
    .ttld_about .about_wrap{
        flex-direction: column;
    }
    .ttld_about .about_wrap .about_text{
        width: 100%;
    }
    .ttld_about .about_wrap .about_text h3{
        font-size: 22px;
    }
    .ttld_about .about_wrap .about_text h3::after{
        font-size: 70px;
        white-space: nowrap;
    }
    .ttld_about .about_wrap .about_text h4{
        font-size: 18px;
        margin-bottom: 5%;
    }
    .ttld_about .about_wrap .about_text p{
        font-size: 14px;
        line-height: 28px;
        text-overflow:-o-ellipsis-lastline; 
        overflow:hidden; text-overflow:ellipsis;
        display:-webkit-box; 
        -webkit-line-clamp:2; 
        line-clamp:2; 
        -webkit-box-orient:vertical;

    }
    .ttld_about .about_wrap .about_text a{
        margin: 5% 0;
        width: 100%;
        padding: 2% 0;
    }
    .ttld_about .number .numCount .item{
        font-size: 22px;
    }
    .ttld_about .number .numCount .item .unitC{
        font-size: 18px;
    }
    .ttld_about .number .numCount .item .xiantiao{
        height: 1px;
    }
    .ttld_about .number .numCount .item .indc{
        font-size: 16px;
    }
    .ttld_about .about_wrap .about_img{
        width: 100%;
        height: 280px;
        overflow: hidden;
        border-radius: 10px;
        margin-top: 5%;
    }

    .ttld_about .about_wrap .about_img video{
        height: 280px;
        min-height: auto;
    }

    /* advantage */
    .ttld_advantage .ttld_advantage_wrap{
        flex-direction: column;
    }
    .ttld_advantage .ttld_advantage_wrap .item{
        width: 100%;
        background-size: 100% auto !important;
        text-align: center;
        padding-top: 3%;
    }
    .ttld_advantage .ttld_advantage_wrap .item h3{
        font-size: 22px;
        margin-top: 3%;
    }
    .ttld_advantage .ttld_advantage_wrap .item:hover{
        width: 100%;
    }
    .ttld_advantage .ttld_advantage_wrap .item .wenan{
        margin-top: 4%;
    }
    .ttld_advantage .ttld_advantage_wrap .item .wenan p{
        font-size: 14px;
        line-height: 22px;
    }
    .ttld_advantage .ttld_advantage_wrap .item:hover .wenan{
        height: 200px;
    }

    /* news */
    .ttld_news .news_wrap{
        height: 100%;
        margin-top: 8%;
    }
    .ttld_news .news_wrap .news_title h3{
        font-size: 22px;
    }
    .ttld_news .news_wrap .news_title h3::after{
        font-size: 24px;
        white-space: nowrap;
    }
    .ttld_news .news_wrap .news_title .gs_hy a{
        font-size: 18px;
        margin-left: 10px;
    }
    #news_swiper{
        height: 77%;
    }
    .ttld_news .news_wrap .news_title{
        margin-bottom: 8%;
    }
    #news_swiper .swiper-slide{
        padding: 2%;
        height: calc((100% - 15px) / 2) !important;
        background-color: #f0f8fd;
    }
    .ttld_news .news_wrap .swiper-slide .p1{
        font-size: 14px;
    }
    .ttld_news .news_wrap .swiper-slide h3{
        font-size: 22px;
    }
    .ttld_news .news_wrap .swiper-slide .p2{
        font-size: 14px;
    }
    .ttld_news .news_wrap .swiper-slide h2{
        font-size: 16px !important;
        margin: 2% 0;
    }
    .ttld_news .news_wrap .news_more a{
        width: 40%;
        margin-top: 10%;
        padding: 3% 0;
        border-radius: 6px;
    }

    /* footer */
    .ttld_footer{
        padding-top: 30px;
    }
    .ttld_footer .footer_top{
        flex-direction: column;
    }
    .ttld_footer .footer_top .lianjie{
        width: 100%;
        order: 3;
        padding-right: 0;
        border-right: none;
        margin-top: 5%;
        display: none;
    }
    .ttld_footer .footer_top .lianxi{
        order: 1;
        width: 100%;
    }
    .ttld_footer .footer_top .ewm{
        order: 2;
        width: 100%;
    }
    .ttld_footer .footer_top .lianxi li{
        font-size: 14px;
        line-height: 22px;
        margin-bottom: 2%;
    }
    .ttld_footer .footer_top .lianxi li:nth-child(1){
        font-size: 18px;
    }
    .ttld_footer .footer_top .ewm li{
        text-align: left;
    }
    .ttld_footer .footer_top .ewm li img{
        width: 110px;
    }
    .ttld_footer .footer_top .ewm li:nth-child(2){
        font-size: 14px;
        margin-top: 3%;
        opacity: .6;
    }
    .ttld_footer .footer_top .lianjie li ul li{
        margin-bottom: 12%;
    }
    .ttld_footer .footer_top .lianjie li ul li a{
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .ttld_footer .footer_top .lianjie li ul li:nth-child(1) a{
        font-size: 16px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .ttld_footer .footer_bottom{
        padding: 2% 0;
        display: block;
    }
    .ttld_footer .footer_bottom img{
        display: none;
    }
    .ttld_footer .footer_bottom p{
        font-size: 14px;
        line-height: 26px;
        padding: 0 5%;
        text-align: center;
    }


    /* 内页 */
    .number .numCount li .numU{
        margin-bottom: 0;
    }
    .number .numCount li .numCX{
        font-size: 22px;
    }
    .number .numCount li .unit {
        font-size: 13px;
        margin-left: 5px;
    }
    .number .numCount li .indc {
        font-size: 13px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .number {
        margin-top: 20px;
    }
    html{
        zoom: 1;
    }
    /* .nei_banner{
        padding-top: 50px;
    } */

    .nei_banner img{
        height: 220px;
        object-fit: cover;
    }
    .nei_banner .text{
        top: 80px;
    }
    .nei_banner .text h2{
        font-size: 20px;
        width: 135px;
        margin-bottom: 12px;
    }
    .nei_banner .text h2::after,
    .nei_banner .text h2::before{
        width: 20px;
        height: 2px;
    }
    .nei_banner .text p{
        padding: 0 10%;
        font-size: 14px;
        line-height: 20px;
    }
    .service-title{
        padding-top: 20px;
        margin-bottom: 25px;
    }
    .service-title h2{
        font-size: 20px;
        line-height: 28px;
        padding: 0 20px;
    }
    .service-title ul li{
        width: 8px;
        height: 8px;
    }
    .service-list .list-item{
        width: 100%;
        flex-direction: column;
        padding: 0px;
        background: white;
        margin-bottom: 22px;
    }
    .service-list .list-item .img{
        width: 100%;
        height: 200px;
    }
    .service-list .list-item .text{
        width: 100%;
        padding: 26px 20px;
    }
    .service-list .list-item .text h3{
        font-size: 22px;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
    .service-list .list-item .text p{
        font-size: 14px;
        line-height: 24px;
        margin-bottom: 16px;
    }
    .service-list .list-item .text a{
        font-size: 14px;
    }


    .nei_navigation{
        margin: 0;
        height: 60px;
        box-shadow: none;
        border-bottom: 1px solid rgba(0, 0, 0, .08);
        border-radius: 0;
    }
    .nei_navigation div{
        overflow: hidden;
        margin-top: 0;
    }
    .nei_navigation a{
        width: 100%;
        display: block;
        font-size: 14px;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
    }
    .service_jieshao{
        flex-direction: column;
        margin: 22px 0;
        padding-bottom: 22px;
    }
    .service_jieshao .left_img{
        width: 100%;
        height: auto;
    }
    .service_jieshao .right_text{
        width: 100%;
    }
    .service_jieshao .right_text .title{
        padding-bottom: 10px;
        margin-bottom: 20px;
    }
    .service_jieshao .right_text h3{
        font-size: 20px;
    }
    .service_jieshao .right_text img{
        width: 72px;
    }
    .service_jieshao .right_text p,
    .service_jieshao .right_text p span{
        font-size: 14px !important;
        line-height: 24px !important;
    }

    .case_wrap .case_item{
        width: 49%;
        margin-bottom: 14px;
    }
    .case_wrap .case_item:nth-child(3n){
        margin-right: 2%;
    }
    .case_wrap .case_item:nth-child(2n){
        margin-right: 0%;
    }
    .case_wrap .case_item .case_img{
        height: 120px;
    }
    .case_wrap .case_item .case_img img{
        height: 100%;
    }
    .case_wrap .case_item p{
        font-size: 14px;
        line-height: 40px;
    }
    .case_wrap .case_item p::after,
    .case_wrap .case_item p::before{
        width: 2px;
        height: 12px;
        left: 0;
    }
    .case_wrap .case_item p::before{
        left: auto;
        right: 0;
    }
    .case_wrap .con_text p,
    .case_wrap .con_text p span,
    .case_wrap .con_text span{
        font-size: 14px !important;
        line-height: 24px !important;
    }

    .pager{
        margin-bottom: 30px;
    }
    .pager li{
        width: 30px;
        border-radius: 5px;
        margin: 0 5px;
    }
    .pager li:last-child,
    .pager li:first-child{
        width: 70px;
    }
    .pager li a{
        font-size: 13px;
        line-height: 30px;
    }
    .footer{
        height: auto;
    }

    .oem_odm .oem_odm_item{
        width: 48.5%;
        margin-right: 3%;
        padding: 0;
        padding-bottom: 32px;
        border-radius: 5px;
        margin-bottom: 40px;
    }
    .oem_odm .oem_odm_item:nth-child(3n){
        margin-right: 3%;
    }
    .oem_odm .oem_odm_item:nth-child(2n){
        margin-right: 0;
    }
    .oem_odm .oem_odm_item .oem_odm_img{
        height: 110px;
    }
    .oem_odm .oem_odm_item .oem_odm_img img{
        height: 100%;
    }
    .oem_odm .oem_odm_item h3{
        font-size: 16px;
        margin: 16px 0;
        padding: 0 10px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .oem_odm .oem_odm_item p{
        font-size: 14px;
        padding: 0 16px;
    }
    .oem_odm .oem_odm_item span{
        opacity: 1;
        padding: 0 10px;
        border-radius: 10px;
        font-size: 12px;
        line-height: 30px;
        bottom: -15px;
        box-shadow: 0 0px 10px rgb(0 110 63 / 15%);
    }


    .xq_title .wrap{
        width: 90%;
        margin: 0 auto;
        margin-top: 20px;
        line-height: 32px;
    }
    .xq_title .wrap p{
        font-size: 12px;
        margin: 0 10px;
    }
    .xq_title .wrap p:nth-child(3),
    .xq_title .wrap p:nth-child(4){
        display: none;
    }
    .oem_case_details p,
    .oem_case_details p span,
    .oem_case_details span{
        font-size: 14px !important;
        line-height: 24px !important;
    }
    .oem_case_details img{
        width: 100% !important;
    }

    .back_case a{
        width: 30%;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        font-size: 12px;
    }
    .back_case .back{
        font-size: 12px;
        padding: 5px 0px;
        justify-content: center;
    }
    .back_case .back img{
        width: 15px;
    }
    .shebei_wrap ul li{
        width: 48%;
        margin-bottom: 22px;
        margin-right: 4%;
    }
    .shebei_wrap ul li a{
        width: 100%;
        height: 100%;
    }
    /* .shebei_wrap ul li:nth-child(1){
        width: 100%;
        height: 180px;
        margin-right: 0;
    } */
    .shebei_wrap ul li:nth-child(2n){
        margin-right: 0;
    }
    .shebei_wrap ul li img{
        width: 100%;
        height: 100%;
    }
    .shebei_wrap ul li p{
        bottom: 0;
        line-height: 30px;
        font-size: 12px;
    }

    .huanjing_wrap .box{
        flex-direction: column;
    }
    .huanjing_wrap .box .box_item{
        width: 100%;
        height: auto;
    }
    .huanjing_wrap .box .box_1{
        padding: 30px;
    }
    .huanjing_wrap .box .box_1 img{
        width: 90px;
    }
    .huanjing_wrap .box .box_1 p{
        font-size: 13px;
        margin-top: 20px;
        line-height: 24px;
    }

    .hj_img{
        margin-top: 22px;
        flex-wrap: wrap;
        margin-bottom: 0;
    }
    .hj_img .item{
        width: 48%;
        height: 150px;
        margin-bottom: 20px;
    }
    .hj_img .item p{
        font-size: 12px;
        line-height: 30px;
    }
    .huanjing_wrap .box_3 .box_1{
        order: 1;
    }
    .hj_img_2{
        margin-top: 12px;
        margin-bottom: 22px;
    }
    .hj_img_2 ul:nth-child(1){
        height: 300px;
    }
    .hj_img_2 ul:nth-child(2){
        height: 300px;
    }
    .hj_img_2 ul:nth-child(2) li{
        height: 147px !important;
        margin-bottom: 6px !important;
    }
    .hj_img_2 ul li img{
        height: 100%;
    }

    .gongyi{
        margin-bottom: 40px;
    }

    .about_top {
        flex-direction: column;
        margin-top: 22px;
    }
    .about_top .about_top_left h3{
        font-size: 40px;
    }
    .about_top .about_top_left h4{
        font-size: 20px;
        line-height: 32px;
        margin: 20px 0;
        -webkit-text-stroke: 0px;
    }
    .about_top .about_top_right p{
        font-size: 18px;
        padding: 16px 0;
        border-width: 1px;
        line-height: 16px;
    }
    .about_top .about_top_right img{
        display: none;
        margin-bottom: 0;
        width: 232px;
    }

    .about_company{
        margin-top: 22px;
        flex-direction: column;
    }
    .about_company .company_left{
        width: 100%;
        overflow: hidden;
    }
    .about_company .company_left h3{
        font-size: 22px;
    }
    .about_company .company_left p{
        font-size: 20px;
        margin-top: 12px;
        margin-bottom: 20px;
    }
    .about_company .company_left .img{
        width: 100%;
        height: auto;
        overflow: hidden;
    }
    .about_company .company_left .img img{
        width: 100%;
    }
    .about_company .company_right{
        width: 100%;
        margin-top: 10px;
        padding-top: 20px;
    }
    .about_company .company_right p,
    .about_company .company_right p span{
        font-size: 13px !important;
        line-height: 24px !important;
    }
    .history{
        padding: 0 5%;
        padding-top: 30px;
        margin-top: 20px;
        padding-bottom: 26px;
    }
    .history .history_wrap{
        padding: 0px;
    }
    .history .history_wrap h3{
        font-size: 20px;
        margin: 0;
    }
    #swiper_5 .swiper-slide{
        flex-direction: column;
    }
    .history .history_wrap .swiper-slide .left_text{
        width: 100%;
        padding-top: 40px;
    }
    .history .history_wrap .swiper-slide .right_img{
        width: 100%;
        box-sizing: border-box;
        height: auto;
        margin-top: 20px;
        border-width: 2px;
    }
    .history .history_wrap .swiper-slide .left_text h4{
        font-size: 18px;
        padding-bottom: 16px;
        margin-bottom: 20px;
    }
    .history .history_wrap .swiper-slide .left_text p{
        font-size: 14px;
        line-height: 24px;
    }
    .history .history_wrap .swiper-button-prev,
    .history .history_wrap .swiper-button-next{
        width: 40px;
        height: 28px;
        bottom: auto;
        top: 58px;
        left: auto;
        right: 0;
    }
    .history .history_wrap .swiper-button-prev{
        right: 50px;
    }

    .honor_wrap{
        margin: 0;
    }
    .honor_wrap .swiper .swiper-slide p{
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 40px;
    }
    .honor_wrap .swiper .swiper-pagination-bullet{
        width: 10px;
        height: 10px;
    }
    
    .culture_wrap{
        margin-top: 22px;
    }
    .culture_box_1 .shiming,
    .culture_box_1 .yuanjing{
        width: 48%;
        height: 230px;
    }
    .culture_box_1 .shiming img,
    .culture_box_1 .yuanjing img{
        width: 30%;
    }
    .culture_box_1 .shiming h3,
    .culture_box_1 .yuanjing h3{
        font-size: 20px;
        line-height: 60px;
    }
    .culture_box_1 .shiming p,
    .culture_box_1 .yuanjing p{
        font-size: 14px;
        padding: 0 5%;
        padding-top: 16px;
        line-height: 20px;
    }
    .culture_box_1 .shiming p::after,
    .culture_box_1 .yuanjing p::after,
    .culture_box_2>h3::after{
        width: 50px;
        height: 2px;
    }
    .culture_box_2{
        margin-top: 22px;
        padding-top: 20px;
    }
    .culture_box_2>h3{
        font-size: 20px;
        padding-bottom: 20px;
        margin-bottom: 22px;
    }
    .culture_box_2 ul li{
        width: 32%;
    }
    .culture_box_2 ul li p{
        width: 70%;
        font-size: 16px;
        bottom: 20px;
        letter-spacing: 2px;
        line-height: 24px;
    }
    .culture_box_3{
        margin: 22px 0;
        padding: 22px 0;
        background-size: 100% 100%;
    }
    .culture_box_3 .linian_wrap{
        flex-direction: column;
    }
    .culture_box_3 .linian_wrap>h3{
        font-size: 20px;
        margin-top: 0;
    }
    .culture_box_3 .linian_wrap>h3::after{
        width: 50px;
        height: 2px;
        top: 10px;
        left: auto;
        right: 0;
    }
    .culture_box_3 .linian_wrap .linian_item{
        width: 100%;
        margin-top: 22px;
    }
    .culture_box_3 .linian_wrap .linian_item div{
        height: 80px;
    }
    .culture_box_3 .linian_wrap .linian_item div img{
        height: 100%;
        width: auto;
    }
    .culture_box_3 .linian_wrap .linian_item div p{
        font-size: 20px;
        font-weight: 500;
    }
    .culture_box_4{
        margin-bottom: 30px;
        padding: 0;
    }

    .contact{
        flex-direction: column;
    }
    .contact .left_lianxi{
        width: 100%;
        padding: 20px;
    }
    .contact .right_liuyan{
        width: 100%;
        padding: 20px;
    }
    .contact .left_lianxi h3,
    .contact .right_liuyan h3{
        font-size: 20px;
        padding-bottom: 22px;
        margin-bottom: 30px;
    }
    .contact .left_lianxi h3::after,
    .contact .right_liuyan h3::after{
        height: 2px;
    }
    .contact .left_lianxi li{
        font-size: 18px;
        margin-bottom: 18px;
    }
    .contact .left_lianxi li img{
        width: 50px;
    }
    .contact .left_lianxi li span{
        font-size: 14px;
    }
    .contact .right_liuyan input[type=text]{
        margin-bottom: 18px;
    }
    .yzm{
        flex-wrap: wrap;
    }
    .contact .right_liuyan .yzm input[type=submit]{
        width: 100%;
        font-size: 16px;
        line-height: 40px;
        margin-top: 10px;
    }
    .contact .right_liuyan .yzm input[type=text]{
        width: 52%;
        padding: 0 12px;
    }
    .contact .right_liuyan .yzm img{
        margin-right: 0;
    }
}