.certificate_intro{margin:100px auto;text-align:center}.certificate_title{position:relative;font-size:32px;font-weight:700;margin-bottom:20px}.certificate_title:after{content:"";position:absolute;left:49%;bottom:54px;width:40px;height:3px;background-color:#00aeff}.certificate_body{margin-top:50px;display:flex;flex-direction:column;align-items:center;gap:20px}.certificate_des_title{border:1px solid skyblue;border-radius:15px;background-color:skyblue;padding:5px 50px;font-size:20px;font-weight:700;margin-bottom:20px}.certificate_des{text-align:start;font-weight:500;margin-bottom:20px}.certificate_des li{list-style:inside}.certificate_img{width:1200px;border:2px solid #d3d3d3}@media (max-width:810px){.certificate_intro{width:95vw}.certificate_title:after{display:none}.certificate_des_title{font-size:16px;font-weight:700}.certificate_des{font-size:14px}}