.about_List li{
    margin-bottom: 1rem;
    position: relative;
}
.about_List_li_title{
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 0 0 0.4rem 1rem;
}
.about_List_li_title p:first-child{
    font-size: 1rem;
    line-height: 2rem;
}
.about_List_li_title p:first-child span{
    font-size: 0.8rem;
}
.about_List_li_title p:last-child{
    font-size: 0.7rem;
    height: 1.5rem;
    width: 7rem;
    background: url('../images/aboutUs/btn.png') no-repeat;
    background-size: 100% 100%;
    text-align: center;
    line-height: 1.5rem;
    color: #fff;
}