/*返回顶部按钮隐藏*/
.scrollBtn{
    display: none;
}

.title_font{
    height:auto;
    width:14.6rem;
    margin:0.5rem auto 0;
}
.num{
    text-align: center;
}
.num h3{
    font-size: 1.6rem;
}
.num p{
    font-size: 0.445rem;
    color:#666;
    line-height: 1rem;
}