.materials{
    /**/
}

.materials_con{
    overflow: hidden;
    margin-top: 20px;
    margin-bottom: 50px;
}

.materials_left{
    width: 298px;
    border:1px solid #ffc740;
    cursor: pointer;
}

.materials_left dt,
.materials_left dd{
    height: 34px;
    line-height: 34px;
    text-align: center;
    border-bottom: 1px solid #ffc740;
    font-size: 16px;
    position: relative;
}

.materials_left dt{
    color: #c93216;
    background: url("1043.png");
}

.materials_left dt b{
    width: 11px;
    height: 11px;
    background: url("#") no-repeat;
    position: absolute;
    top:11px;
    right: 30px;
}

.clickDtAfter{
    color: #ffffff!important;
    background: url("1052.jpg")!important;
}

.clickAfter{
    background: url("#") no-repeat!important;
}

.materials_left dl a{
    display: block;
}

.materials_left dl dd a span{
    position: absolute;
    left:60px;
    color: #fefbe9;
}

.activeLiSpan{
    color: #de1c01!important;
}

.materials_right{
    width: 1170px;
}

.materials_right_con{
    overflow: hidden;
}

.materials_right_con>.right_con_tit{
  
}

.materials_right_con .right_con_tit img{
    display: block;
    float: left;
    vertical-align: middle;
    margin-top: 10px;
    margin-left: 14px;
}

.right_con_con>.right_con_tit{
    margin-top: 28px;
    height: 31px;
    line-height: 31px;
    padding-left: 30px;
    font-size: 20px;
    color: #424242;
    background: url("1052.jpg") left no-repeat;
}