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

.bx_container{width: 1400px;max-width: 100%;margin: 0 auto;}

/* about背景图 */
.about_head{height: 800px;  background-color: #88b7b5;padding: 165px 165px 80px;display: inline-block;width: 100%;}
.abouthead_text{text-align: left;color: #fff;}
.abouthead_text h2{font-size: 54px;font-weight: 600;margin: 20px 0;}
.aboutall_btn a{font-size: 16px;display: inline-block;color: #fff;background-color: #003366;padding: 10px 40px;border-radius: 50px;text-decoration: none;margin: 20px 0;}
.abouthead_left{padding: 40px 0 0;}
.abouthead_left video{border-radius: 15px;}
.abouthead_right{position: absolute;top: 20%;right: 2%;}
.abouthead_right ul{background-color: #d1e8e2;border-radius: 15px;padding: 60px 30px;}
.abouthead_right .us_itext{padding: 30px 0;}
.abouthead_right .us_itext h4{color: #003366;}
.abouthead_right .us_itext span{font-size: 40px;}

/* 所有标题 */
.company_allhead{text-align: left;}
.company_allhead h2{color: #fff;font-size: 18px;margin: 20px 0;background: #003366;display: inline-block;padding: 15px 40px;border-radius: 15px 0 0;}

/*公司简介*/
.yk_company{padding: 15% 0 50px;display: inline-block;width: 100%;}
.yk_company p{font-size: 18px;line-height: 30px;}
/*公司简介*/

/*公司信息*/
.yk_infomation{padding: 50px 0;display: inline-block;width: 100%;}
.yk_infomation .counter-box{display: flex;align-items: center;gap: 60px;padding: 30px 0;border-bottom: 1px solid #dedede;}
.yk_infomation .counter-box:last-child{border: none;}
/*公司信息*/

/*Our Team*/
.yk_team{padding: 50px 0;display: inline-block;width: 100%;}
.yk_team .team_box{padding: 30px 15px;}
.yk_team .team_img{width: 65px;height: 65px;line-height: 65px;text-align: center; border-radius: 50%;background-color: #565d65;}
.yk_team .team_text h3{font-size: 20px;color: #000;}
.yk_team .team_text p{font-size: 16px;}
/*OOur Team*/

/*证书*/
.yk_certificate{display: inline-block;width: 100%;padding: 100px 0;}
.yk_certificate .company_allhead{text-align: center;}
.yk_certificate .company_allhead span{font-size: 18px;line-height: 30px;color: #757575;font-family: Arial, Helvetica, sans-serif;display: inline-block;width: 50%;}
.certificate_box img{max-width: 100%;padding: 75px 0 0;}
/*证书*/

/*合作伙伴*/
.yk_Partner{padding: 80px 0 100px;display: inline-block;width: 100%;}
.our_partners_list img{max-width: 100%;}
/*合作伙伴*/



@media screen and (max-width: 768px) {
	/* 手机 about背景图 */ 
	.about_head{height: 800px;padding: 20px;}
	.abouthead_text h2{font-size: 30px;}
	.abouthead_left{padding: 20px 0 0;}
	.abouthead_right{top: 70%;right: 0;}
	.abouthead_right ul{padding: 30px;}
	.abouthead_right .us_itext{padding: 15px 0;}
	.abouthead_right .us_itext span{font-size: 30px;}
	
	/*手机公司简介*/
	.yk_company{padding: 70% 0 20px;}
	
	/* 手机所有标题 */
	.company_allhead{padding: 0 20px;}

	/*手机公司信息*/
	.yk_infomation{padding: 20px;}
	.yk_infomation .counter-box{gap: 20px;flex-direction: column;}
	
	/*手机Our Team*/
	.yk_team{padding: 20px;}
	.yk_team .team_box{padding: 30px 0;}
	/*OOur Team*/

}