* {
    margin: 0;
    padding: 0;
    font-family: "微软雅黑";
}

.clear {
    clear: both;
}

.hidden {
    display: none;
}
.ex_top_box{
    background: url("../images/exhibition/top_black.jpg") no-repeat;
    width: 750px;
    height: 77px;
    margin: 0 auto;
}
.ex_container{
    background: url("../images/exhibition/ex_bg.jpg")no-repeat;
    width: 750px;
    height: 1131px;
    margin: 0 auto;
    padding-top: 152px;
    box-sizing: border-box;
}
.x_icon{
    background: url("../images/exhibition/x_icon.png") no-repeat;
    width: 34px;
    height: 33px;
    float: right;
    margin-top: 22px;
    margin-right: 33px;
}
.ex_ul{
    color: white;
    text-align: center;
}
.ex_ul li{
    line-height: 64px;
    font-size: 32px;
}
.ex_b5list{
    width: 337px;
    margin: 0 auto;
    padding-top: 95px;
}
.qq_icon{
    background: url("../images/exhibition/qq_icon.png") no-repeat;
    width: 117px;
    height: 118px;
    margin-right: 52px;
    float: left;
}
.wx_icon{
    background: url("../images/exhibition/wx_icon.png") no-repeat;
    width: 116px;
    height: 118px;
    margin-left: 52px;
    float: left;
}