*{
    margin: 0px;
    padding: 0px;
}
body{
    background-color: #F6F7F9;
}
.div-content{
    width: auto;
}
.div-bottom{
    width: 100%;
    padding: 5px 0px;
    background-color: white;
    position: fixed;
    bottom: 0;
    display: flex;
}
/*水平均分*//*display: flex;flex: 1;*/
.nav-btn{
    flex: 1;
    display: inline-block;
    text-align: center;
    color: #8d8c8c;
}
/*默认第一菜单初始样式*/
.nav-btn:nth-of-type(1){
    color: #333333;
}
.nav-btn span{
    font-size: 12px;
    display: block;
}
/*菜单栏样式清除*/
.nav-clear{
    flex: 1;
    display: inline-block;
    text-align: center;
    color: #8d8c8c;
}
/*去除下滑*/
html::-webkit-scrollbar,
body::-webkit-scrollbar {
	width: 0px;
	height: 0px;
}