视频样式
* {
    padding: 0;
    margin: 0;
}

html, body {
    font-family: "Microsoft YaHei",sans-serif;
    color: #333;
    font-size: 14px;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #666;
}

.xmobile-video
{
    display:none;
}

@media screen and (max-width: 768px) {
     .xmobile-video {
        display: block;
        margin-top: 0.98rem;
    }
}
   

    .xmobile-video-bg {
        width: 100%;
        height: 5rem;
        background-size: 100% 100%;
        /*margin-left: 0.4em;*/
        text-align: center;
    }


    .box {
        width: 100%;
        height: auto;
        border: 1px solid #dedede;
        /*margin: 40px auto;*/
        background-image: url('../img/video-img/timg.jpg');
        background-size: cover;
        /*text-align: center;*/
        padding: 0 0.7%;
    }

    .all {
        width: 800px;
        height: auto;
        margin: 60px auto;
        overflow: hidden;
    }


    .videoList {
        list-style: none;
        display: flex;
        margin: 40px 100px 40px 100px;
        justify-content: space-around;
    }

.first {
    font-size: 1.375em;
    text-align: center;
}

.second {
    font-size: 0.875em;
    color: #555;
    margin-bottom: 5px;
    text-align: center;
    display: block;
    font-weight: lighter;
    letter-spacing: 1px;
}

    .videoStyle {
        background-color:#fff;
        box-shadow: 1px 1px 10px #ccc;
        width: 300px;
        height: 440px;
    }

    .p_1 {
        font-size:20px;
        text-align:center;
        margin: 20px 20px 20px 20px;
    }

    .video-p {
        margin: auto 20px 20px 20px;
        font-size: 14px;
        color: #62787c;
    }