/*随机数字动画*/
.yf-number-animate {
    height: 22px;
    font-size: 22px;
    line-height: 22px;
    overflow: hidden;
    display: inline-block;
    vertical-align: text-bottom;
    position: relative;
}
.yf-number-animate .yf-number-animate-dom {
    width: 14px;
    text-align: center;
    float: left;
    position: relative;
    top: 0;
}
.yf-number-animate .yf-number-animate-dom span {
    width: 100%;
    float: left;
}