.aboutcertificate {margin-bottom:40px;position:relative;padding:0 70px;}
.aboutcertificate .swiper-slide {height:auto}
.aboutcertificate .swiper-slide img {width:100%;height:100%;object-fit:contain;border:1px solid #ccc;}
.aboutcertificate .swiper-pagination {display:none;bottom:0}
.aboutcert-btn>div {position:absolute;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:1px solid #ccc;margin-top:-20px;top:50%;}
.aboutcert-btn>div.aboutcert-prev {left:0;}
.aboutcert-btn>div.aboutcert-next {right:0;}
.aboutcert-btn>div.aboutcert-prev em {transform:rotate(90deg);line-height:1;}
.aboutcert-btn>div.aboutcert-next em {transform:rotate(-90deg);line-height:1;}
.aboutcert-btn>div:hover {background:var(--color);border-color:var(--color);color:#fff}
@media (max-width:768px){.aboutcertificate {padding:0;margin-bottom:30px;}
.aboutcertificate .swiper{padding-bottom:40px}
.aboutcertificate .swiper-pagination {display:block;}}