html,
body,
.font-sans {
    font-family: "PingFang SC", "Helvetica Neue", "Arial", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "SimSun", sans-serif;
}


/* 超过隐藏 */

.ellip {
    overflow: hidden;
    word-break: keep-all;
    white-space: nowrap;
    text-overflow: ellipsis;
}


/* 超过2行隐藏 */

.ellip2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.ellip3 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.w-100 {
    width: 100%;
}

.flex-1 {
    flex: 1
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-start {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
}

.flex-start-center {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.flex-end {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
}

.flex-end-center {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.flex-around {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.align-start {
    align-items: flex-start;
}

.wrap {
    flex-wrap: wrap;
}

.column {
    flex-direction: column;
}

.rel {
    position: relative;
}

.abs {
    position: absolute;
}

.fix {
    position: fixed;
}

.border-box {
    box-sizing: border-box;
}