.visibility_visible{
    display: block;
}
.visibility_gone{
    display: none;
}

/*限制文字行数*/
.limit-text-line {
    height: 40px;
    line-height: 20px;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.cover-title-bottom{
    position: absolute;
    padding: 0px 20px 30px 20px;
    bottom: 0px;
    left: 0px;
    right: 0px;
}