.introduce{
    padding-bottom: 180px;
}
.margin-c h6{text-align: center;}
.introduce h6{
    padding-top: 31px;
    padding-bottom: 40px;
}
.introduce p{
    margin-bottom: 25px;
    font-size: 18px;
    color: #666;
    line-height: 18px;
    text-align: center;
}
.introduce p i{color: #febd19;}
.member{
    width: 100%;
    background: #25272c;
}
.member-box{
    position: relative;
}
.member-user{
    position: absolute;
    top: -113px;
    left: 475px;
    width: 245px;
    height: 245px;
    background: #e8effc;
    border-radius: 50%;
    overflow: hidden;
}
.member-text{
    padding-top: 180px;
    color: #fff;
}
.member-text h3{
    font-size: 48px;
    font-weight: bold;
    text-align: center;
}
.member-text p{
    padding-top: 15px;
    padding-bottom: 18px;
    font-size: 18px;
    color: #999;
    text-align: center;
}
.member-details{
    width: 726px;
    margin: 0 auto;
    font-family: 'Microsoft YaHei';
    overflow: hidden;
}
.member-details li{
    width: 242px;
    padding-bottom: 17px;
    float: left;
    font-size: 16px;
}
.member-img{
    padding-top: 38px;
    padding-bottom: 107px;
    overflow: hidden;
}
.member-img li{
    position: relative;
    width: 290px;
    height: 218px;
    margin-right: 11px;
    margin-bottom: 17px;
    background: #fff;
    float: left;
}
.gif-ab{
    position: absolute;
    top: 0;
    left: 0;
    width: 290px;
    height: 218px;
    display: none;
}
.member-img li:hover .gif-ab{
    display: block;
}
/*.member-img li:nth-child(4n+2){*/
/*margin-right: 0;*/
/*}*/
.member-img img{
    width: 100%;
}
.top-h4{text-align: center;}
.top-h4 h4{
    padding-top: 75px;
    padding-bottom: 18px;
    font-size: 28px;
    color: #565756;
    line-height: 28px;
}
.top-h4 p{
    font-size: 16px;
    color: #565756;
    line-height: 16px;
}
.introduce1{
    height: 662px;
}
.margin-top1{margin-top: 86px;}
.introduce2{
    height: 666px;
    background: url("../image/aboutUs/introduce2_1.png") center bottom no-repeat #eff4f5;
}
.introduce2 img{width: 100%;}
.margin-top2{margin-top: 55px;}
.introduce3{
    height: 1010px;
    background: #fff;
}
.margin-top3{
    position: relative;
    width: 1196px;
    height: 800px;
    margin-top: 24px;
}
.photo-text{
    position: absolute;
    width: 581px;
    height: 320px;
    overflow: hidden;
}
.photo-text1{
    top: 0;
    left: 0;
}
.photo-text2{
    top: 480px;
    left: 0;
}
.photo-text3{
    top: 200px;
    left: 610px;
}
.fl{float: left;}
.fr{float: right;}
.fl-box{
    position: relative;
    width:282px;
    height: 320px;
}
.fr-box{
    width: 299px;
    height: 320px;
}
.box-ab{
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: all .3s;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
}
.fl-box:hover .box-ab{opacity: 1;}
.introduce4{
    height: 614px;
    background: #e5e5e5;
}
.margin-top4{margin-top: 68px;}
.introduce5{
    height: 614px;
    background: #fff;
}
.margin-top5{margin-top: 40px;}
.introduce6{
    background: #ebebeb;
}
.margin-top6{
    width: 100%;
    margin-top: 44px;
}
.margin-top6 img{width: 100%;}
.introduce7{
    height: 645px;
    background: #fff;
}
.margin-top7{
    padding-left: 20px;
    padding-right: 20px;
    margin-top: 80px;
}
.intorduce-imgbox{
    width: 370px;
    height: 330px;
    float: left;
    margin-right: 15.3px;
    opacity: 0.8;
}
.margin-top7 .intorduce-imgbox:nth-child(3n){ margin-right: 0;}
.intorduce-imgbox:hover{opacity: 1;}