.cert-list{
    width: 80%;
    margin: 0 auto;
}
.cert-list ul{
    display: flex;
    flex-wrap: wrap;
}
.cert-list ul li{
    padding: 1rem;
}
.cert-list ul li a{
    display: inline-block;
    width: 100%;
    border: 1px solid #c3ccd2;
}
.cert-list ul li a img{
    width: 100%;
}
.cert-list ul li p{
    padding-top: 1rem;
    font-size: 1.8rem;
    text-align: center;
}
.product-cert-list ul li{
    width: 25%;
}
.company-cert-list ul li{
    width: 33.333%;
}

/*小于1200分辨率*/
@media (max-width: 1200px) {
    .cert-list{
        width: 100%;
    }
    .product-cert-list ul li,
    .company-cert-list ul li{
        width: 50%;
    }
}