.bg{
    background: url('../images/body.jpg')  center 0 no-repeat #c4dff5;
    min-width: 1200px;
}
.header{
    width:1200px;
    margin: 0 auto;
    text-align: right;
    padding-top: 128px;
    padding-bottom: 20px;
}
.footer{
    background: url('../images/img-footer.png')  center 0 no-repeat;
    height: 130px;
    font-size: 14px;
    color: #333;
    line-height: 32px;
    padding-top: 50px;
    box-sizing: border-box;
    text-align: center;
}
.footer span{
    margin-right: 20px;
    font-weight: bold;
}
.main{
    background:rgba(255, 255, 255, 0.4);
    padding: 10px 20px;
    border-radius:4px;
    box-sizing: border-box;
}
.tt{
    font-size: 26px;
    background-image:-webkit-linear-gradient(bottom,#085cc2,#267df6);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    margin: 15px 0 5px;
}
.tt span{
    font-size: 16px;
}
.tt.tt2{
    font-size: 22px;
    margin-bottom: 30px;
}
.dot{
    background: url('../images/dot.png') 0 0 no-repeat;
    width: 13px;
    height: 13px;
    display: inline-block;
    margin-right: 8px;
    margin-top: 20px;
}
.icons{
    width: 50px;
    height: 50px;
    display: inline-block;
    vertical-align: middle;
}
.icon-01{
    background: url('../images/icon-01.png') 0 0 no-repeat;
}
.icon-02{
    background: url('../images/icon-02.png') 0 0 no-repeat;
}
.icon-03{
    background: url('../images/icon-03.png') 0 0 no-repeat;
}
.icon-04{
    background: url('../images/icon-04.png') 0 0 no-repeat;
}
.intro{
    font-size: 14px;
    color: #333;
    line-height: 30px;
    text-indent: 2em;
}
.main video{
    vertical-align: bottom;
}
.news-list li a{
    position: relative;
    border-bottom: 1px solid #eeeeee;
    line-height: 50px;
    display: block;
}
.news-list li a:before{
    content: '';
    background: url('../images/icon-li-d.png') 0 0 no-repeat;
    width: 16px;
    height: 16px;
    display: inline-block;
    position: relative;
    vertical-align: middle;
    margin-right: 16px;
}
.news-list li a:hover:before{
    background: url('../images/icon-li.png') 0 0 no-repeat;
}
.news-list li a span{
    width: 85%;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    display: inline-block;
    vertical-align: middle;
}
.news-list .time{
    float: right;
    color: #666;
}
.news-list li a:hover{
    color: #156ad9;
}
.news-list li a:hover .time{
    color: #333;
}
.people-list li{
    text-align: center;
    float: left;
    margin-right: 50px;
    margin-bottom: 20px;
}
.people-list img{
    width: 152px;
    height: 152px;
    display: block;
    padding: 13px;
    border-radius:50%;
    border: 1px solid #73abf4;
    margin:  0 auto;
}
.people-list .name{
    font-size: 22px;
    line-height: 30px;
    margin: 5px 0;
}
.people-list .school{
    font-size: 14px;
    color: #666;
}
.makings-item{
    width: 364px;
    height: 268px;
    background: #fff;
    float: left;
    display: block;
    margin-right: 15px;
    margin-left: 10px;
    margin-bottom: 20px;
}
.makings-item:nth-child(3n){
    margin-right: 0;
}
.makings-item .img-box{
    width: 100%;
    background: #eee;
    height: 218px;
    margin: 0 auto;
    text-align: center;
    box-sizing: border-box;
}
.makings-item .info{
    padding: 0 10px;
    line-height: 48px;
    font-size: 16px;
    color: #333;
}
.makings-item .i-video{
    background: url('../images/i-video.png') 0 center no-repeat;
    display: block;
    width: 20px;
    height: 48px;
    float: right;
}
.makings-item .i-pdf{
    background: url('../images/i-pdf.png') 0 center no-repeat;
    display: block;
    width: 20px;
    height: 48px;
    float: right;
}
.makings-item .i-photo{
    background: url('../images/i-photo.png') 0 center no-repeat;
    display: block;
    width: 20px;
    height: 48px;
    float: right;
}
.video-frame{
    display: none;
    position: fixed;
    z-index: 999;
    background: rgba(0,0,0,0.8);
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-align: center;
    justify-content: center;
    align-items: center;
}
.video-frame.show{
    display: flex;
}
.video-frame video{
    display: block;
    width: 80%;
    height: auto;
}
.video-frame i{
    display: inline-block;
    font-size: 80px;
    color: #ffffff;
    position: absolute;
    right: 0;
    top: 0;
    cursor: pointer;
}