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

.video-list {
    margin: 0 -20px;
}

.video-list li {
    width: calc((100% / 4) - 0.1px);
    padding: 0 10px 35px;
}

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

.video-list li a {
    transition: all .2s;
    background: #fff;
    padding: 12px;
    position: relative;
    max-width: 380px;
    margin: 0 auto;
    box-sizing: border-box;
}

.video-list li a:hover {
    background: #BFDFFF;
    transition: all .2s;
}

.video-list li .pic {
    position: relative;
    box-sizing: border-box;
}

.video-list li .name {
    font-size: 16px;
    line-height: 1.5;
    color: #000000;
    text-align: center;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 45px;
    margin: 15px 0 5px;
}

.video-list a:hover .name {
    text-decoration: none;
}


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

.video-detail {
    background: #fff;
    padding: 0 15px 50px;
}

.video-detail .editor{
    max-width: 1220px;
    margin: 0 auto;
}

.video-title {
    position: relative;
    margin: 0 -15px 15px;
    padding: 20px 40px;
    letter-spacing: 2px;
    color: #000000;
    font-size: 18px;
    text-align: center;
    border-bottom: 1px solid #dedede;
    line-height: 1.5;
}
.video-detail .pic {
    margin-bottom: 20px;
    background: #fdfdfd;
    margin: 0 auto 30px;
    padding: 30px;
    box-sizing: border-box;
    max-width: 1220px;
}
.video-detail .btn-box {
    padding-top: 30px;
    text-align: center;
}

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

@media screen and (max-width: 900px) {
    .video-list li {
        width: 50%;
    }
    .video-list li:nth-child(3n+1) {
        clear: none;
    }
    .video-list li:nth-child(2n+1) {
        clear: left;
    }
}

@media screen and (max-width: 600px) {
    .video-list {
        margin: 0;
    }
    .video-list li {
        width: 100%;
        padding: 0 0 35px;
    }
    .video-detail .pic {
      padding: 15px;
    }
}

@media screen and (max-width: 480px) {
    .video-title {
        padding: 85px 20px 20px;
    }
}