body{
    margin-left: 1%;
    font-size: 13px;
    font-family: "微软雅黑", Verdana, Arial, Helvetica, sans-serif, 宋体;
}
.nav-bar{
    margin-top: 10px;
    margin-left: 10px;
}
h4{
    margin-left: 10px;
    margin-bottom: 10px;
    padding-bottom:25px;
    border-bottom: 1px solid #333;
    color: #000;
    font-size: 25px;
}
.iportal-info{
    margin-left: 35px;
}
.tree {
    min-height:20px;
    padding-left: 25px;
    margin-bottom:20px;
}
.tree li {
    list-style-type:none;
    margin:0;
    padding:10px 5px 0 5px;
    position:relative
}
.tree li::before, .tree li::after{
    content:'';
    left:-35px;
    position:absolute;
    right:auto
}
.tree li::before{
    border-left:1px solid #999;
    height:100%;
    top:-23px;
    width:1px
}
.tree li::after{
    border-top:1px solid #999;
    height:20px;
    top:38px;
    width:37px
}
.tree>ul>li::before, .tree>ul>li::after{
    border:0
}
.tree li:last-child::before{
    height:62px
}
.tree p{
    margin: 0;
}
.tree i{
    position: absolute;
    left: -11px;
    top: 30px;
    z-index: 100;
}
.tree li a {
    color:#000;
    cursor:pointer;
    border:1px solid #999;
    display:inline-block;
    padding:3px 25px;
    text-decoration:none;
    background: lightblue;
    text-align: center;
}
.tree li a:hover{
    border-color:#94a0b4;
    color:#08c;
    text-decoration: none;
}
.tree li i{
    cursor: pointer;
}
/*** for ie ***/
.tree li>before, .tree li>after{
    content:'';
    left:-35px;
    position:absolute;
    right:auto
}
.tree li>before{
    border-left:1px solid #999;
    height:100%;
    top:-23px;
    width:1px
}
.tree li>after{
    border-top:1px solid #999;
    height:20px;
    top:38px;
    width:37px
}
.tree>ul>li>before, .tree>ul>li>after{
    border:0
}