body {
    background:#EEF5F9;

}
.container {
    background-color:white;
}
.left-nav {
    background: #DD7D01;
    /*background: #D3D3D3;*/
}

.left-nav a {
    color: white;
}
    .left-nav a:hover {
        background: #ED6D01 !important;
        color: #fff;
    }
    .left-nav a.active {
        background: #ED6D01 !important;
        color: #fff !important;
    }

.layui-nav .layui-nav-more {
    border-top-color: #535353;
}

.layui-nav .layui-nav-mored {
    border-color: transparent transparent #535353;
}

.container .left_open i {
    color: #535353;
}

.container .left_open i:hover {
    background-color: #EEF5F9;
    color: #535353;
}