.content-div {
    width: 1200px;
    margin: 0 auto 30px;
}

.left {
    float: left;
}

.node-title {
    font-size: 18px;
    color: #333333;
    font-weight: 800;
}

.node-address {
    font-size: 14px;
    color: #666666;
}

.right {
    float: right;
}
.top-div {
    margin-top: 20px;
}

.top-div {
    margin-top: 20px;
}

.main-title {
    padding-bottom: 20px;
    border-bottom: 1px solid #115ee1;
}

.content {
    margin-left: 20px;
}

.content li {
    float: left;
    width: 370px;
    height: 300px;
    margin-right: 20px;
    margin-bottom: 30px;
}

.content li .top-video {
    width: 100%;
    height: 200px;
}

.video-end {
    margin-left: 15px;
    margin-right: 15px;
}

.info-title {
    margin:20px 15px 15px;
    height: 30px;
    line-height: 30px;
    color: #232323;
    font-size: 16px;
    font-weight: 800;
}

.info-title a:hover {
    color: #115ee1;
}

.video-end img{
    margin-right: 10px;
}

.video-end span {
    margin-right: 30px;
    font-size: 12px;
    color: #a2a2a2;
    position: relative;
    top: -2px;
}

.content {
    margin-bottom: 15px;
}