#yindao{
    width:1100px;
    height:auto;
    position:relative;
    margin:0 auto;
}
.yd_banner{
    width:1100px;
    position: relative;
}
.yd_a{
    width: 1110px;
    height:50px;
    background-color: #bcc5d0;
    position: relative;
    cursor: pointer;
}
.yd_aa{
    width: 1110px;
    height:50px;
    background-color: #bcc5d0;
    position: relative;
    cursor: pointer;
}
.yd_b{
    width: 193px;
    height:36px;
    margin: 0 auto;
    position: relative;
    top:7px;
}
.yd_bb{
    width: 193px;
    height:36px;
    margin: 0 auto;
    position: relative;
    top:7px;
}
.yd_c{
    width: 1200px;
    height:80px;
    position: relative;
    float: left;
}
#yd_c2{
    bottom: 110px;
    left: 185px;
    height: 20px;
}
.yd_e{
    width: 1110px;
    text-align: center;
    position: relative;
    float: left;
    top:-10px;
    color: #000000;
}
.yd_b img{
    width: 36px;
    height:36px;
    position: relative;
    float: left;
}
.yd_b p{
    font-size: 18px;
    color: #000000;
    position: relative;
    float: left;
    top:7px;
    left:10px
}
.yd_bb img{
    width: 36px;
    height:36px;
    position: relative;
    float: left;
}
.yd_bb p{
    font-size: 18px;
    color: #000000;
    position: relative;
    float: left;
    top:7px;
    left:10px
}
.XzBtn span a{ width:280px; height:75px; display:block; background:url(/src/teaching/images/bendi.png) no-repeat; margin:0 0 0 290px; float:left; text-indent:-9999px;margin-left: 415px;}
.XzBtn span a:hover{ background:url(/src/teaching/images/bendi_1.png) no-repeat}
.XzBtn p a{ width:280px; height:75px; display:block; background:url(/src/teaching/images/360.png) no-repeat; margin:0 0 0 30px; float:left; text-indent:-9999px;}
.XzBtn p a:hover{ background:url(/src/teaching/images/360_1.png) no-repeat}

#yd_c2 .XzBtn span a{ width:280px; height:75px; display:block; background:url(/src/home/kecheng/img/x1.png) no-repeat; float:left; text-indent:-9999px;margin-left: 395px;}
#yd_c2 .XzBtn span a:hover{ background:url(/src/home/kecheng/img/x2.png) no-repeat}
#yd_c2 .XzBtn p a{ width:280px; height:75px; display:block; background:url(/src/teaching/images/360.png) no-repeat; float:left; text-indent:-9999px;margin-left: 395px;}
#yd_c2 .XzBtn p a:hover{ background:url(/src/teaching/images/360_1.png) no-repeat}


.yd_d{
    display: none;
    width: 1100px;
    height:auto;
}
.jiq{
    width: 1100px;
    position: relative;
    float: left;
}