.video-list {
    margin: 0 auto;
}

.video-list .item {
    width: 25%;
    padding: 0 10px;
    position: relative;
}

.video-list .item:nth-child(4n+1) {
    clear: left;
}

.video-list .box {
    background: #f4f4f4;
    padding: 0 0 10px;
    border-radius: 20px;
    transition: all .3s ease;
    border: 3px solid #f4f4f4;
    margin: 0 auto 45px;
}

.video-list .box:hover {
    background: #ffffff;
    border-color: #0850A4;
}

.video-list li .cover {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 5;
}

.video-list .pic {
    position: relative;
    overflow: hidden;
    margin: 0 auto 10px;
    border-radius: 100%;
    border: 5px solid #DAE51E;
}

.video-list .box:hover .pic {
    border-color: #197292;
}

.video-list .pic img {
    width: 100%;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: contain;
    transition-delay: 0s;
    transition-duration: 4s;
    transition-property: -webkit-transform;
    transition-property: transform;
    transition-property: transform, -webkit-transform;
    transition-timing-function: cubic-bezier(0.075, 0.82, 0.165, 1);
}

.video-list .box:hover .pic img {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
}

.video-list .pic-box {
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
}

.video-list .pic {
    display: block;
    position: relative;
    overflow: hidden;
}

.video-list .pic:before {
    content: "";
    background: url(../../images/common/video/hover.png) 50% 60% no-repeat rgba(136, 171, 205, 0.6);
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 5;
    opacity: 0;
    transition: all 0.3s;
}

.video-list .box:hover .pic:before {
    background-position: 50% 50%;
    opacity: 1;
}

.video-list .name {
    color: #555555;
    font-size: 18px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 27px;
    text-align: center;
    padding-bottom: 10px;
    transition: all .3s ease;
}

.video-list .box:hover .name {
    color: #0850A4;
}

.video-list .box .pic {
    border-radius: 0px;
    transition: all .6s ease;
    border: 3px solid #ecf3fb;
}

.video-list .box .pic {
    border: none;
    margin: 12px 12px 5px;
    border-radius: 15px;
}


.video-detail h1 {
    color: #193D85;
    font-size: 28px;
    font-weight: bold;
    margin: 0em 0 .4em;
    line-height: 1.5;
}

.video-detail {
    padding: 0;
}

.video-detail .editor {
    margin: 0 auto 20px;
    border-bottom: 1px dashed #dddddd;
    padding: 0 0 20px;
}

.video-detail .pic iframe {
    width: 100%;
    height: 480px;
    max-width: 840px;
    margin: auto;
    position: relative;
}

.video-detail .pic {
    text-align: center;
    padding: 0 20px;
}

.video-detail .pic .youtubecontent {
    height: auto;
    padding: 10px;
}

@media screen and (max-width: 900px) {
    .video-list .item {
        width: 50%;
    }

    .video-list .item:nth-child(4n+1) {
        clear: none;
    }

    .video-list .item:nth-child(2n+1) {
        clear: left;
    }
}

@media screen and (max-width: 767px) {
    .video-detail {}

    .video-list .box {
        margin: 0 auto 30px;
    }

    .video-detail h1 {
        font-size: 18px;
        line-height: 1.6;
        margin: 10px 0;
    }

    .video-detail .pic iframe {
        height: 420px;
    }

    .video-detail .pic {
        margin: 0;
    }

    .video-detail .editor {
        margin-bottom: 0;
    }
}

@media screen and (max-width: 640px) {
    .video-detail .pic iframe {
        height: 360px;
    }
}

@media screen and (max-width: 440px) {
    .video-list .item {
        width: 100%;
    }

    .video-list .item:nth-child(n) {
        clear: none;
    }

    .video-detail .pic iframe {
        height: 220px;
    }
}