@media screen and (min-width: 1300px) {
    .top_banner{
        height: 680px;
        width: 100%;
        background: url(../../images/cs_top_banner.png?v=1) no-repeat center 80px ;
        background-size: 1920px 600px;
    }
}

@media screen and (max-width: 1300px) {
    .top_banner{
        height: 530px;
        width: 100%;
        background: url(../../images/cs_top_banner.png?v=1) no-repeat center 80px;
        background-size: 1440px 450px;
    }
}

.news_bg,.enter_us{
    width: 100%;
    background: url(../../images/bg.png) repeat center;
}
.enter_us .title_style{
    width: 1200px;
    margin: 0px auto;
    padding: 80px 0px 20px 0px;
    text-align: center;
}
.company_brief > a{
    display: block;
    background: #e5001b;
    color: #fff;
    display: block;
    float: right;
    margin: 50px 10px 0 0;
    height: 46px;
    line-height: 46px;
    width: 155px;
    border-radius: 50px;
    text-align: center;
    font-size: 16px;
}
.company_brief{
    width: 1000px;
    margin: 0px auto;
    font-size: 18px;
    line-height: 45px;
    padding-bottom: 150px;
}

.service_container{
    width: 1200px;
    margin: 80px auto 0px;
    text-align: center;
}

.title_style > div.title_en {
    font-size: 14px;
    text-transform: uppercase;
    color: #999;
    display: block;
    margin-bottom: 10px;
}

.title_style > div.title_big {
    font-size: 48px;
    color: #000;
    display: block;
    font-family: 'weiruanzhengheiti', "Microsoft Yahei";
}
.title_style > div.title_big > span {
    color: #e5001b;
}
.title_style > div.title_line {
    width: 92px;
    margin: 20px auto 0 auto;
    height: 1px;
    background: #b7b7b7;
    display: block;
}
.title_style > div.title_desc {
    display: block;
    width: 100%;
    font-size: 16px;
    line-height: 27px;
    color: #777777;
    margin: 0 auto;
    padding: 25px;
}

.title_style > div.title_small {
    font-size: 32px;
    color: #000;
    display: block;
    font-family: 'weiruanzhengheiti', "Microsoft Yahei";
}

.carton{
    width: 100%;
}
.carton_content{
    display: flex;
    width: 1040px;
    margin: 0px auto;
    height: 500px;
}
.carton_content > div:first-child{
    height: 500px;
    width: 460px;
    margin-left: 50px;
    background: url(../../images/caosheng-4399301_1920.png) no-repeat center;
    background-size: auto auto;
}
.carton_content > div:last-child{
    width: 340px;
    margin-left: 200px;
    color: #d8d8d;
    padding: 0px 30px;
    margin-top: 60px;
    text-align: center;
}
.carton_content > div.title_style > div.title_desc{
    text-align: left;
    line-height: 35px;
}
.news_bg{
    padding: 60px 0px;
}


@media screen and (min-width: 1500px) {
    .news_warp{
        width: 1300px;
        display: flex;
        background: white;
        margin: 0px auto;
    }
}

@media screen and (max-width: 1500px) {
    .news_warp{
        width: 1000px;
        display: flex;
        background: white;
        margin: 0px auto;
    }
}

.news_warp > div{
    width: 50%;
    padding: 50px 40px;
}

.news_warp > div:last-child{
    border-left: 1px solid #ebebeb;
}

.news_warp > div > div:first-child{
    color: #1e1e1e;
    font-size: 30px;
    border-bottom: 1px solid #ebebeb;
    padding-bottom: 30px;
    letter-spacing: 5px;
}

.news_warp > div > div:first-child > span:first-child {
    color: #e5001b;
}

.news_warp > div > div:first-child > span:last-child {
    font-size: 14px;
    text-transform: capitalize;
    color: #999;
    letter-spacing: 1px;
    margin-left: 30px;
    float: right;
}
.news_warp > div.news_list > ul{
    margin-top: 10px;
}
.news_warp > div.news_list > ul > li > a{
    padding: 10px 0px;
    line-height: 24px;
    display: flex;
}
.news_warp > div.news_list > ul > li > a > div:first-child{
    width: calc(100% - 100px);
}
.news_warp > div.news_list > ul > li > a > div:last-child{
    width: 100px;
    text-align: left;
}
.news_warp > div.carton_test > ul{
    height: 400px;
    overflow: hidden;
}
.news_warp > div.carton_test > ul  li{
    border-bottom: 1px solid #ebebeb;
    padding: 20px 0px;
    line-height: 24px;
}
.news_warp > div.carton_test > ul  li > div:first-child {
    color: #666;
    margin-bottom: 5px;
    font-size: 14px;
}


.product{
    width: 100%;
}
.product_content{
    width: 1200px;
    margin: 3px auto 30px;
    height: 500px;
}

.product_content li {
    float: left;
    width: 350px;
    height: 350px;
    margin-right: 50px;
    margin-bottom: 50px;
}
.product_content li a {
    width: 100%;
    height: 100%;
    display: flex;
    vertical-align: middle;
}
.product_content li > a > img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 3px;
}