/* nav*/
.nav{
    width: 100%;
    overflow-x: scroll;
    background: #fff;
    /* border-top: 1px solid #ccc; */
    /* margin-bottom: 20px; */
    white-space: nowrap;
}
.nav.notindex{
    position: fixed;
    top: 0;
    z-index: 1111111;
    max-width: 750px;
}
.nav::-webkit-scrollbar {display:none}
.nav li{
    display: inline-block;
    width: 33%;
    text-align: center;
}

.nav li a{
    text-align: center;
    color: #9a9a9a;
    display: inline-block;
    height: 80px;
    line-height: 80px;
    font-size: 30px;
    box-sizing: border-box;
}
.nav li.selected a{
    color: #00998f;
    border-bottom: 3px solid #00998f;
}
 .show_red{
    width:10px;height:10px;
    background:red;
    border-radius:50%;
    position: absolute;
    top:20px;right:52px; 
}