.yk_about_us .col-lg-3, .yk_about_us .col-lg-4 {
    padding: 0 10px;
}

.yk_about_us{ }
.yk_about_us img{ max-width:100%;}
.bx_container{width:1400px; margin:auto;max-width: 100%;}

/*所有标题*/
.yk_about_allhead{font-size: 30px;font-weight: 700;text-align: center;padding: 20px 0;color: #060d1a;}

/*公司简介*/
.yk_company{padding: 0 0 120px;}
.yk_company .yk_about_allhead{text-align: left;padding: 0;}
.company_item{display: -webkit-flex; display: flex;-webkit-justify-content: center;padding: 60px 0 0;}
.company_item .company_text{ font-size:16px; line-height:30px;padding: 40px 0 0}
/*公司简介*/

/*why choose us*/
.yk_choose_us {background-color: #052364;border-radius: 16px;padding: 50px;}
.yk_choose_us .yk_about_allhead{color: #fff;padding: 0;}
.yk_choose_us ul{ display: flex; flex-wrap: wrap;gap:30px;padding: 20px 0 0;}
.yk_choose_us ul li{ width: 31%; text-align: left;display: flex;gap: 20px;color: #fff;border-right: 1px solid #FFFFFF1a;}
.yk_choose_us ul li img{width: 50px;height: 50px;}
.yk_choose_us .us_item{padding: 0 20px;}
.yk_choose_us ul li h4{font-size: 18px;font-weight: 700;}
.yk_choose_us ul li p{font-size: 14px;color: #FFFFFFAB;}
.yk_choose_us_line{background-color: #FFFFFF1a;width: 100%;height: 1px;}
/*why choose us*/

/*公司信息*/
.yk_infomation{;padding: 120px 0 80px;width: 100%;display: inline-block;}
.yk_infomation .yk_about_allhead{text-align: left;}
.yk_infomation_right{padding: 0 40px;}
.yk_infomation_right ul{display: flex;flex-wrap: wrap;padding: 20px 0;gap: 30px;}
.yk_infomation_right ul li{width: 100%;}
.yk_infomation_right ul li p{color: #060d1a;font-weight: 400;font-family: Montserrat;line-height: 27px;}
.yk_infomation_right ul li span{color: #0947cf;font-weight: 700;}
/*公司信息*/

/*Our Team*/
.yk_team {display: inline-block;width: 100%;padding: 180px 0 150px;}
.yk_team .yk_about_allhead{color: #fff;font-size: 34px;text-align: left;width: 80%;}
.yk_team .team_text{color: #fff;}
.yk_team .team_text h3{font-size: 22px;font-weight: 700;line-height: 30px;}
/*OOur Team*/

/*合作伙伴*/
.yk_Partner{ display:inline-block; margin-bottom:30px;}
.yk_Partner h2{font-size: 28px; color: #000000; text-align: center; padding: 50px 0; font-weight: normal; margin: 0;}
.yk_Partner li{ width:16.66%; float:left; padding:0 15px; box-sizing: border-box; margin:10px 0;box-shadow: 1px 5px 5px #ebd9d9;}
/*合作伙伴*/

/*证书*/
.yk_certificate{display: inline-block;width: 100%;background-color: #f2f3f5;padding: 90px 0 30px;}
.yk_certificate .yk_about_allhead{text-align: left;}
.yk_certificate p{font-family: Montserrat;font-size: 16px;color: #060d1a;font-weight: 400;line-height: 28px;width: 75%;}
.yk_certificate_img{display: inline-block;width: 100%;padding: 0 0 80px;}
.yk_certificate_img img{margin: 0 auto;display: block;}
/*证书*/

@media screen and (max-width: 768px) {
    /*所有标题*/
    .yk_about_allhead{font-size: 24px;}
    
    /*公司简介*/
    .yk_company{padding: 0 0 20px;}
    .company_item{flex-direction: column;gap: 20px;padding: 0 20px;}
    /*公司简介*/
    
    /*why choose us*/
    .yk_choose_us {padding: 40px 30px;}
    .yk_choose_us ul{flex-direction: column;}
    .yk_choose_us ul li{ width: 100%;}
    /*why choose us*/
    
    /*公司信息*/
    .yk_infomation{;padding: 100px 0 20px;}
    .yk_infomation_right{padding: 0 20px;}
    /*公司信息*/
    
    /*Our Team*/
    .yk_team {padding: 40px 20px 50px;}
    .yk_team .yk_about_allhead{font-size: 22px;width: 100%;}
    .yk_team .team_items div{padding: 0;}
    /*OOur Team*/
    
    /*证书*/
    .yk_certificate{padding: 0 20px 30px;}
    .yk_certificate p{width: 100%;}
    .yk_certificate_img{display: inline-block;width: 100%;}
    .yk_certificate_img img{margin: 0 auto;display: block;}
    /*证书*/


}