.w {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.imglist {
    padding-bottom: 40px;
    overflow: hidden;
}

.imglist li {
    width: 282px;
    overflow: hidden;
    float: left;
    margin-left: 14px;
    margin-right: 14px;
    margin-top: 20px;
}

.imglist li a {
    display: block;
    width: 100%;
    height: 100%;
}

.imglist li:nth-child(3n) {
    margin-right: 0;
}

.imglist li .imglist_pic {
    width: 280px;
    height: 210px;
    overflow: hidden;
    display: inline-flex;
    align-content: center;
    justify-content: center;
    border: 1px solid #ddd;
}

.imglist li .imglist_pic img {
    height: 210px;
}

.imglist li .imglist_tit {
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 14px;
}