body,
html {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: #000;
}

a:hover {
    color: #000;
}

/* 清除浮动对父类元素的影响 */
.clearfix:before,
.clearfix:after {
    content: '';
    display: table;
}

.clearfix:after {
    clear: both;
}

/* 左浮动 */
.fl {
    float: left;
}

/* 右浮动 */
.fr {
    float: right;
}

/*文本溢出省略号*/
.ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: var(--rows, 1);
    -webkit-box-orient: vertical;
}

.mt10{
    margin-top: 10px;
}
.mt20{
    margin-top: 20px;
}
.mt30{
    margin-top: 30px;
}
.mt40{
    margin-top: 40px;
}
.mb10{
    margin-bottom: 10px;
}
.mb20{
    margin-bottom: 20px;
}
.mb30{
    margin-bottom: 30px;
}
.mb40{
    margin-bottom: 40px;
}