.dqlm ul{
display:none;}
.dqlm_on ul{
display:block;}
.dqlm_on ul li{
    background: #fafafa;}
.dqlm_on ul li a{
    padding-left: 40px;
    border-left: 5px solid #fafafa;}
.dqlm_on ul li a.hoverzlm{
    border-left: 5px solid #ffe4ab;
    background-color: #fff;
    padding: 14px 22px 14px 0px;
    border-top: 1px solid #fff;
    text-decoration: none;
    padding-left: 40px;}
.dqlm_on ul li a:hover{
    border-left: 5px solid #ffe4ab;
    padding-left: 40px;}

.teacher_list {
    float: left;
    width: 200px;
    margin: 10px 56px;}