/*主体*/
.mian-pic {
    margin: 0 auto;
    height: 330px;
    width: 1200px;
    background: url("https://cc.aiit.edu.cn/template/415/wmxy/_files/img/banner.png") center center no-repeat;
}

.mian-content {
    width: 1200px;
    margin: 0 auto;
    margin-top: 35px;
    margin-bottom: 430px;
    z-index: 10;
    color: #333;
    background: #fff;
    overflow: hidden;
}

.mian-content a:hover {
    color: #144297;
}

/*左侧*/
.left-content {
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    margin-right: 40px;
    color: #fff;
    width: 225px;
    float: left;
    background: #144297;
}

.left-content>:first-child{
    border-bottom: 3px solid #daad12;
    background: url("../image/background-logo.png") no-repeat center;
    background-size:188px 40px;
}

.left-content>:first-child{
    padding: 12px;
}

.left-content ul li {
    background: #f9f9f9;
    color: #888;
    border-bottom: 1px solid #e5e5e5;
}

.left-content ul li a {
    padding: 17px 0 17px 50px;
    color: #888;
    background: #f9f9f9;
    display: inline-block;
    width: 130px;
    text-align: left;
    background: url(../image/gray-point.png) 30px 24px no-repeat;
}

.left-content ul li.active a, .left-content ul li:hover a {
    background: #f9f9f9;
    color: #144297;
    cursor: pointer;
    background: url(../image/green-point.png) 30px 24px no-repeat;
}
.join-activity{
    height: 124px;
    background: url(../image/icon-join.png);
    background-repeat:no-repeat;
    background-color: #fff;
}
.join-activity img{
    margin: 70px 0px 0px 46px ;
    cursor: pointer;
    float: left;
}
.join-activity img:hover{
    background:url("../image/icon-hover-enter.png") no-repeat center;
    cursor: pointer;
}
.right-content {
    width: 935px;
    float: left;
}

.right-content .content {
    border-top: 1px solid #daad12;
    margin-top: 3px;
    padding-top: 13px;
}

.main-title .title {
    font-size: 18px;
    padding: 3px 0px;
    border-bottom: 2px solid #144297;
    color: #144297;
    font-weight: bold;
}

/*.main-title .title {*/
/*font-size: 18px;*/
/*padding: 3px 15px;*/
/*border-left: 4px solid #26a891;*/
/*color: #144297;*/
/*font-weight: bold;*/
/*}*/
@media screen and (max-width: 1200px) {
    .mian-content .right-content {
        width: 814px;
    }

    .mian-content {
        margin-top: 30px;
    }

    .mian-content, .header-top, .header, .sidebar .navigation, .footer .links {
        width: 1024px;
    }
}