.main>.web_th{margin-bottom: 12px;}

.main>.web_th .title{text-transform: uppercase;}

.details_box .video_div lite-youtube {
    display: block;
}

.details_box .video_info {
    margin-top: 20px;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 28px;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

@media (max-width:1200px) {
    .pdfList .list li .yunpan_down{
        margin-left: 15px;
    }
}
@media (max-width:950px) {
    .main .title a{
        font-size: 24px;
        line-height: 40px;
    }
    .videoList .list li{
        width: 100%;
        margin-right: 0;
    }
}