.box{
    width:100%;
}
.w1200{
    width:1200px;
    margin:0 auto;
}
.fl{
    float:left;
}
.fr{
    float:right;
}
.gray{
    color: #6F6F6F;
}
.black{
    color: #000;
}
.conference_banner{
    position:relative;
    width:100%;
    height:300px;
    background-image: url(../images/img_banner_CONFERENCE.png);
    background-color:#4856b2;
    background-size: cover;
    background-position:center;
    background-repeat: no-repeat;
    background-attachment: local;
}
.conference_banner img{
    width:100%;
}
.conference_banner .square{
    position:absolute;
    top:50%;
    left:50%;
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    width:320px;
    border: 1px solid #FFFFFF;
    font-size: 40px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    line-height: 57px;
    padding:20px 0px;
}
/*标题*/
.content{
    text-align:justify;
    margin-top:60px;
}
.conference_title .at{
    font-size: 25px;
    color: #4A4A4A;
    letter-spacing: 0.93px;
    text-align: center;
}
.conference_title .ab{
    font-size: 18px;
    color: #4A4A4A;
    letter-spacing: 0.67px;
    text-align: center;
}
/*图片*/
.conference{
    margin:62px 0 62px 0;
}
.conference .imgLeft{
    width:30%;
    float:left;
}
.conference .imgCenter{
    width:30%;
    margin:0 5%;
    float:left;
}
.conference .imgRight{
    width:30%;
    float:left;
}
.pic{
    text-align:center;
}
.pic p{
    line-height:24px;
    font-size: 16px;
}
.pic .zi{
    margin-top:20px;
    line-height:24px;
    font-size: 16px;
    color:#000;
}
.pic .zi a{
    text-decoration:none;
}
.pic .zi a:active{
    text-decoration:none;
}
.pic .zi a:link{
    text-decoration:none;
}
.pic .zi a:visited{
    text-decoration:none;
}
.pic .zi a:hover{
    text-decoration:none;
}
/*wap页适配*/
/*标题图适配*/
.wap_banner{
    position:relative;
    width:100%;
}
.wap_banner img{
    width:100%;
}
.wap_banner .square{
    position:absolute;
    top:50%;
    left:50%;
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    border: 1px solid #FFFFFF;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    width: 320px;
    font-size: 40px;
    line-height: 57px;
    padding: 20px 0px;
}
@media (min-width: 1200px) {
    .wap{
        display:none;
    }
    .pc{
        display:block;
    }
}
@media (max-width: 1199px) {
    .pc {
        display: none;
    }

    .wap {
        display: block;
    }
    .w1200{
        width:100%;
    }
    /*标题图*/
    .content{
        margin-top:22px;
    }
    .conference_title .at,.ab{
        font-size: 18px;
        letter-spacing: 0.67px;
    }
    .content img{
        width:100%;
    }
    /*图片*/
    .conference{
        margin:22px 0 22px 0;
    }
    .works{
        width:90%;
        margin:0 auto;
    }
    .conference .imgLeft{
        width:100%;
        float:left;
    }
    .conference .imgCenter{
        width:100%;
        margin:22px 0 22px 0;
        float:left;
    }
    .conference .imgRight{
        width:100%;
        float:left;
    }
    .conference .imgLeft img,.conference .imgCenter img,.conference .imgRight img{
        width:100%;
    }
    .pic img{
       width:100%;
    }
}

@media(max-width: 768px) {
    .wap_banner .square{
        width: 150px;
        font-size: 18px;
        line-height: 30px;
        padding: 15px 0px;
    }
}