.iconfont {
    font-family: "iconfont" !important;
    font-size: 26px !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    vertical-align: middle;
    padding-right: 3px;
}
.layui-nav * {
    font-size: 14px;
}

.header {
    height: 60px;
    border-bottom: 1px solid #404553;
    background-color: #393D49;
}
.header .layui-container .layui-nav {
    right: 0px;
}
.layui-nav .layui-nav-item a {
    display: block;
    padding: 0 6px;
}
.layui-nav .layui-nav-more {
    content: '';
    width: 0;
    height: 0;
    border-style: solid dashed dashed;
    border-color: #fff transparent transparent;
    overflow: hidden;
    cursor: pointer;
    transition: all .2s;
    -webkit-transition: all .2s;
    position: absolute;
    top: 50%;
    right: -9px;
    margin-top: -3px;
    border-width: 6px;
    border-top-color: rgba(255,255,255,.7);
}

@media screen and (max-width: 500px) {
    .layui-nav .layui-nav-more {
        content: '';
        width: 0;
        height: 0;
        border-style: solid dashed dashed;
        border-color: #fff transparent transparent;
        overflow: hidden;
        cursor: pointer;
        transition: all .2s;
        -webkit-transition: all .2s;
        position: absolute;
        top: 50%;
        right: 0px;
        margin-top: -3px;
        border-width: 6px;
        border-top-color: rgba(255,255,255,.7);
    }
}

.child{
    margin-left: 20px;
    color: #333;
    font-size: 13px !important;
    font-weight: 400;
}
.content-ulist{
    margin-left: 20px;
    font-size: 14px;
    line-height: 25px;
    color: #333;
}
.layui-nav-bar{
    display: none !important;
    width: 0px !important;
}
.layui-nav .layui-this::after, .layui-nav-bar, .layui-nav-tree .layui-nav-itemed::after {
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 5px;
    transition: all .2s;
    -webkit-transition: all .2s;
}
.main{
    padding-left: 0px !important;
}
.dev_img{
    margin-left: 40px;
    margin-top: 10px;
}
.lstyle{
    list-style-type: disc;
    margin-left: 20px;
}
.lstyle-c{
    list-style-type: disc;
    margin-left: 40px;
}
.child-title{
    font-size: 18px !important;
    font-weight: 300;
    margin-bottom: 5px;
    margin-top: 15px;
}