/*------------ video ------------*/

.video-list {
    margin: 0 -15px;
}

.video-list .pic {
    padding: 10px;
}
.video-list .box{
    position: relative;
}
.video-list .box .cover{
    font-size: 0;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
}
.video-list .item:before {
    content: '';
    width: 76px;
    height: 19px;
    display: block;
    margin: 0px 0 6px;
}

.video-list .item {
    width: calc((100% / 4) - 0.1px);
    padding: 0 10px;
    position: relative;
}

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

.video-list li {
    margin: 0 auto 40px;
    padding: 0 0 10px;
}

.video-list .pic {
    position: relative;
    transition: all .2s;
}

.video-list .pic img {
    width: 100%;
}

.video-list .pic img {
    position: relative;
    z-index: 10;
}

.video-list .pic a:before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
    opacity: 0;
    z-index: 50;
}

.video-list li:hover .pic a:before {
    opacity: 1;
}

.video-list li .text span {
    font-size: 12px;
    display: block;
    margin: 10px 0 5px 0;
    font-family: 'Open Sans', sans-serif;
    letter-spacing: 2px;
    text-align: center;
}

.video-list li .text span i {
    font-size: 16px;
    display: inline-block;
    vertical-align: middle;
    margin: 0 5px 3px 0;
}

.video-list li .name {
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 23px;
    text-align: center;
    margin: 10px 0;
    padding-bottom: 15px;
    position: relative;
}

.video-list li .name:before {
    content: '';
    width: 100%;
    height: 2px;
    display: block;
    position: absolute;
    left: 0px;
    right: 0px;
    bottom: 0px;
    margin: auto;
    z-index: 1;
}

.video-list li .name:after {
    content: '';
    width: 48px;
    height: 2px;
    display: block;
    position: absolute;
    left: 0px;
    right: 0px;
    bottom: 0px;
    margin: auto;
    z-index: 10;
    transition: all .3s;
}

.video-list li:hover .name:after {
    width: 100%;
}


/*------------ detail ------------*/

.video-title {
    margin: 0;
    font-size: 18px;
    color: #1F1F26;
    text-align: center;
    padding: 25px 0 10px;
    margin: 0 0 25px;
}

.video-title:after {
    content: '';
    width: 200px;
    height: 10px;
    display: block;
    margin: 10px auto;
}

.video-box {
    padding: 0px;
    margin: 0 auto 25px;
}

.youtubecontent {
    height: auto;
    padding: 10px;
}

.video-box iframe {
    display: block;
    position: relative;
    margin: 0 auto;
    width: 100%;
    max-width: 840px;
    height: 540px;
    margin: auto;
    padding: 10px;
}

.video-editor {
    border-top: 1px dotted #666;
    padding: 20px 0;
}


/*------------ rwd ------------*/

@media screen and (max-width:767px) {
    .video-list .item {
        width: 50%;
    }
    .video-list .item:nth-child(3n+1) {
        clear: none;
    }
    .video-list .item:nth-child(2n+1) {
        clear: left;
    }
}

@media screen and (max-width:767px) {
    .video-box iframe {
        height: 310px;
        padding: 0px;
    }
    .youtubecontent {
        padding: 0px;
    }
}

@media screen and (max-width:480px) {
    .video-list {
        margin: 0;
    }
    .video-list .item {
        width: 100%;
        padding: 0;
    }
    .video-box iframe {
        height: 240px;
    }
}