.certificates {
    background: #F5F5F5;
    padding: 4rem 0 7rem;
}

.certificates .zsslider .slick-list {
    margin-left: -4rem;
}

.certificates .zsslider .item {
    background: #fff;
    padding: 4.5rem;
    text-align: center;
    margin-left: 4rem;
}

.certificates .zsslider .img {
    width: 100%;
    height: 30rem;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 4rem;
    margin-bottom: 4rem;
    border-bottom: 1px solid #eee;
}

.certificates .zsslider .img img {
    width: auto;
    max-height: 100%;
}

.certificates .dots1 {
    padding-top: 1rem;
    display: block;
}

.certificates .dots1 ul li {
    background: #ccc;
}

.certificates .sitettl1 {
    margin-bottom: 5rem;
}

.certificates * {
    font-size: 1.6rem;
    color: #666;
}

/* 响应式样式 */
@media (max-width: 768px) {
    .certificates {
        padding: 3rem 0 5rem;
    }
    
    .certificates .zsslider .item {
        padding: 2rem;
        margin-left: 1.5rem;
    }
    
    .certificates .zsslider .img {
        height: 20rem;
        padding-bottom: 2rem;
        margin-bottom: 2rem;
    }
    
    .certificates .sitettl1 {
        margin-bottom: 3rem;
    }
}