.home-banner .swiper-slide::before{display:none}
.home-cert{padding-bottom:50px}
.home-cert .cert-list{display:flex;justify-content:space-between;flex-wrap:wrap}
.home-cert .cert-list li{margin-top:20px;width:23%}
.home-cert .cert-list li img{width:100%}
@media (max-width:768px){.home-cert .cert-list li{width:48%;margin-top:10px}
}