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

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

/* 所有标题 */
.company_allhead{text-align: center;padding: 20px 0 50px;}
.company_allhead h2{font-weight: 700;font-size: 34px;}
.company_allhead p{font-size: 18px;line-height: 30px;}

/*公司简介*/
.yk_company{padding: 80px 0 100px;}
/*公司简介*/

/*why choose us*/
.yk_choose_us{padding: 80px 0 100px;background-color: #f5f5f5;display: inline-block;width: 100%;}
.yk_choose_us ul li{ width:25%; float:left; padding:0 15px; box-sizing: border-box;text-align:center;}
.us_item{padding: 20px 0 0;}
.yk_choose_us ul li h4{ color:#0394d4;font-size: 18px;}
.yk_choose_us ul li p{ line-height:30px; color:#767373;}
/*why choose us*/

/*公司信息*/
.yk_infomation{background-color: #f5f5f5;padding: 80px 0 100px;display: inline-block;width: 100%;}
.infomation_box{display: flex;align-items: center;justify-content: center;gap: 30px;}
.infomation_text p{font-size: 32px;font-weight: 700;}
.infomation_text span{font-size: 18px;font-weight: 500;}
/*公司信息*/

/*Our Team*/
.yk_team{padding: 80px 0 100px;display: inline-block; width: 100%;}
.team_items{text-align: center;}
.team_items img{border: 1px solid #ccc;}
/*Our Team*/

/*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*/

/*证书*/
.yk_certificate h2{font-size: 28px; color: #000000; text-align: center; padding: 100px 0 50px 0; font-weight: 700; margin: 0;}
.yk_certificate{ width: 1400px;display: table; margin:auto; margin-bottom:50px;}
.certificate_box{border: 1px solid #dfdfdf;padding: 20px;}
.certificate_box img{max-width: 100%;}
/*证书*/

@media screen and (max-width: 768px) {
    /* 手机所有标题 */
    .company_allhead{padding: 20px 0 30px;}
    .company_allhead h2{font-size: 28px;}
    
    /*手机公司简介*/
    .yk_company, .yk_choose_us, .yk_infomation, .yk_team, .yk_Partner{padding: 40px 0 50px;}
    
    /*手机why choose us*/
    .yk_choose_us ul li{ width:100%;padding: 15px;}
    
    /*手机公司信息*/
    .infomation_box{justify-content: flex-start;padding: 20px;}
    .infomation_text p{font-size: 26px;}
    
    /*手机Our Team*/
    .team_items img{margin: 10px 0;}
    
    /*手机合作伙伴*/
	.our_partners_list{padding: 10px;}
    
	
}