.menu{list-style: none;border-top: solid 1px #e5e5e5;border-right: solid 1px #e5e5e5;border-left: solid 1px #e5e5e5;padding: 0px;}
.menu li{border-bottom: solid 1px #e5e5e5;padding: 10px 20px;}
.item-content{display: none;}
.item{position: relative;font-size: 14px;color: #121212;line-height: 24px;    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;}
.item span{font-weight: 600;}
.item .iconfont:first-child{color: #71737b;margin-right: 5px;}
.item .iconfont:last-child{position: absolute;font-size: 12px;color: #71737b;right: 0;line-height: 24px;}
.item-content h3{
    font-size: 14px;
    transition: all .7s ease 0s;
    border-top: 1px solid #F1F1F1;
    line-height: 40px;
    display: block;
    margin: 0px;    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.item-content h3:hover{
   background-color: aqua;padding-left: 10px;
}
.item-content h3.on{
   background-color: aqua;padding-left: 10px;
}
.item-content a{
    color: #1D1D1D;
    text-decoration: none;    font-weight: 400;
}

.item-content.active{
   display: block;
}