.list li {
    float: left;
    margin-right: 14px;
    border: 1px solid #EDF1F6;
    margin-bottom: 20px;
}

.list li .bottom {
    padding: 2px 17px 20px;
    background-color: #fff;
}

.list li .bottom .title {
    width: 247px;
    margin-top: 15px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 15px;
    color: #333333;
    line-height: 25px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
}
.list li .bottom .time{
    height: 200px;
    color: #9e9e9e;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
}
.list li .bottom .num{
    color: #9e9e9e;
}
.list li .imgbox {
    position: relative;
    width: 100%;
    height: 174px;
    overflow: hidden;
}

.list li .imgbox img {
    width: 100%;
    height: 100%;
    transition: all .3s;
}

.list li .imgbox .mask{
    position: absolute;
    top: 0;
    padding: 15px;
    height: 100%;
    background: #c81f1f5e;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    text-align: justify;
    opacity: 0;
    transition: all .3s;
}

.list li:hover .imgbox .mask{
    opacity:1;
}

.list {
    margin-top: 20px;
    margin-bottom: 80px;
}