*{
    padding: 0;
    margin: 0;
}
html,body{
    width: 100%;
}
.app{
    padding: 0 0.1rem;
    padding-bottom: 0.25rem;
}
.app-box div{
    font-size: 0.28rem;
    line-height: 0.4rem;
    text-indent:2em;
    margin-top: 0.1rem;
}
strong{
    font-size: 0.32rem;
}
h3{
    font-size: 0.44rem;
    text-align: center;
    padding-top: 0.1rem;
}
li{
    list-style: none;
    text-indent:2em;
    font-size: 0.28rem;
    margin-top: 0.1rem;
}