#c205449 ul {list-style: none; margin: 0px; padding: 0px;} 
    #c205449 ul li a {font-family: 黑体;text-decoration: none;font-weight:bold; color:#fff; display:block; width:112px; height:36px; line-height:36px; text-align:center; background:url(/system/resource/images/nav/imgnav_vsb_level1_bg_1.gif) 0 0 no-repeat;  font-size:14px;} 
    #c205449 ul li { float:left; margin-left:0px;} 
    #c205449 ul li a:hover {background:url(/system/resource/images/nav/imgnav_vsb_level1_bg_2.gif) 0 0 no-repeat;}
    #c205449 ul li a#current { background:url(/system/resource/images/nav/imgnav_vsb_level1_bg_2.gif) 0 0 no-repeat; font-weight:bold; color:#fff;}
    #c205449 ul li ul { border:0px solid #ccc; display:none;} 
    #c205449 ul li ul li {font-family: 黑体;text-decoration: none;font-weight:bold;font-size:14px; float:none;  margin:0;}
    #c205449 ul li ul li a {width:112px;height:28px;line-height:28px; text-align:center; background:url(/system/resource/images/nav/imgnav_vsb_level2_bg_1.png); color:#000000;} 
    #c205449 ul li ul li a:hover { background:url(/system/resource/images/nav/imgnav_vsb_level2_bg_1.jpg); color:#000000;}  
    #c205449 ul li:hover ul { display:block;z-index:9999999; position:absolute;}
    #c205449 ul li.sfhover ul { display:block;} 

#nav li:nth-child(4) ul{display: none !important;}
.teacherlist {
    margin: 48px 0 0 0;padding-bottom: 120px;}

.teacherlist dl {
    margin: 0 -12px;}

.teacherlist dl dd {
    width: 33.3%;
    float: left;
    margin: 0 0 48px 0;}

.teacherlist dl a {
    display: block;
    margin: 0 7px;}

.teacher_left {
    width: 121px;
    float: left;}

.teacher_left span {
    height: 0px;
    display: block;
    padding-bottom: 124%;
    overflow: hidden;}

.teacher_left span img {
    width: 100%;}

.teacher_right {
    margin: 0px 0 20px 121px;
    display: block;
    padding: 20px 0 0 0;}

.t_rIn {
    padding: 20px 11px 20px 15px;
    background: #F4F4F4;
    /*! margin: 20px 0 0 0; */
    border: 1px solid #DFDEDE;
    border-left: 0px;}

.t_rIn h3 {
    font-size: 16px;
    color: #333;
    padding: 0 0 0 10px;
    background: url(../../images/2018gb/name.png) no-repeat left center;
    margin: 0 0 10px 0;}

.t_rIn p {
    font-size: 12px;
    color: #999999;
    line-height: 22px;
    padding: 10px 0 0 10px;
    position: relative;}

.t_rIn p:before {
    content: '';
    position: absolute;
    width: 90%;
    height: 1px;
    background: rgba(211, 211, 211, .3);
    left: 10px;
    top: 0px;}

.tc_top {
    background: #F0F0F0;
    /*! padding: 0 0px 0 20px; */
    position: relative
;}

.tc_top:before {
    content: "";
    position: absolute;
    width: 20px;
    height: 115px;
    /* background: #fff; */
    left: 0px;
    top: 0px
;}