/* 无法预览 */
.unpreview_main {
    text-align: center;
    padding-top: 60px;
}

.unpreview_main h2 {
    color: #3e4655;
    font-size: 20px;
}

.unpreview_main p {
    color: #abb4c0;
    font-size: 14px;
}

.unpreview_main .btn {
    padding: 6px 0;
    width: 200px;
    line-height: 30px;
    font-size: 16px;
    height: 40px;
    border-radius: 5px;
    display: block;
    margin: 0 auto 15px;
}

.unpreview_main .help-block {
    /*display: none;*/
}