/* 清除浮动 */
.clearfix:after {
    content: "";
    display: block;
    clear: both;
}

/* 清除margin-top塌陷 */
.clearcollapse:before {
    content: "";
    display: table;
}

/* 文本省略 */
.textellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.textellipsis2{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.bg {
    background-repeat: no-repeat;
    background-size: 100% 100%;
}