*{
    margin: 0;
    height: 0;
    box-sizing: border-box;
    text-decoration: none;
    list-style: none;
}
body{
    margin: 0;
    padding: 0;
}
html{
    width: 100%;
    height: 100%;
    background-color:#fff;
}
div {
    /*关键代码*/
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.contain{
    width: 100%;
}
.contain ul{
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    padding:0 0.4rem;
}
.contain i{
    position: absolute;
    right: 0.4rem;
    top: 0.3rem;
    display: inline-block;
    width: 0.16rem;
    height: 0.29rem;
    transition: all .3s;
}
.dd{
    position: relative;
    width: 100%;
    height: 0.88rem;
    font-size: 0.24rem;
    border-bottom: 1px solid #EEEEEE;
}
.dd p{
    height: 0.88rem;
    line-height: 0.88rem;
}
ul div{
    display: none;
    height: 2.5rem;
    font-size: 0.24rem;
    overflow: hidden;
    border-bottom: 1px solid #EEEEEE;
}
ul div p{
    padding-top: 0.2rem;
    height: 0.8rem;
    line-height: 0.5rem;
}