.certificate .content_box{background:#fff}.certificate .content_box .title{text-align:center;height:.4rem;line-height:.4rem;margin-top:.15rem;background:linear-gradient(135deg,#97d6f1,#517bf4);color:#fff}.certificate .content_box .pc_title{display:none}.certificate .content_box .img_box{background-color:#e5f4fd;padding:.17rem .1rem}.certificate .content_box .img_box .certificate_img{width:100%;display:block}.certificate .down_btn{display:none}@media only screen and (min-width:957px){.certificate .pc-h_content{padding-top:200px}.certificate .content_box .title{display:none}.certificate .content_box .pc_title{display:block;text-align:center;height:.4rem;line-height:.4rem;color:#333}.certificate .content_box .img_box{background-color:transparent;padding:0}.certificate .content_box .img_box .pc-certificate_img{min-height:433px;width:612px;margin:0 auto}.certificate .down_btn{display:flex}.certificate .down_btn .submit_btn{width:3rem;margin:0;margin-top:.3rem}}