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

.video-list {
    margin: 0 -17px;
}

.video-list li {
    width: 25%;
    padding: 0 17px 40px;
}

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

.video-list li .box {
    max-width: 300px;
    margin: 0 auto;
}

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

.video-list .pic:hover {
    opacity: .7;
}

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

.video-list li .text span {
    font-size: 12px;
    font-family: 'Cabin', sans-serif;
    display: block;
    margin: 5px 0;
}
.video-list li .text span a{
    display: inline-block;
}
.video-list li .text span i {
    font-size: 16px;
    display: inline-block;
    vertical-align: middle;
    margin: 0 5px 3px 0;
}

.video-list li .name a {
    line-height: 1.5;
    font-size: 17px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 23px;
}


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

.video-title {
    margin: 0;
    font-size: 18px;
    text-align: center;
    padding: 0 0 10px;
    border-bottom: 1px solid #DEDEDE;
    margin: 0 0 25px;
}

.video-box {
    padding: 30px 20px;
}

.video-box iframe {
    display: block;
    margin: 0 auto;
    width: 100%;
    max-width: 840px;
    height: 480px;
}


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

@media screen and (max-width:1024px) {
    .video-list li {
        width: calc((100% / 3) - 0.1px);
    }
    .video-list li:nth-child(4n+1) {
        clear: none;
    }
    .video-list li:nth-child(3n+1) {
        clear: left;
    }
}

@media screen and (max-width:767px) {
    .video-list li {
        width: 50%;
    }
    .video-list li:nth-child(3n+1) {
        clear: none;
    }
    .video-list li:nth-child(2n+1) {
        clear: left;
    }
    .video-box {
        padding: 10px;
    }
}

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

@media screen and (max-width:480px) {
    .video-list {
        width: auto;
        margin: 0;
    }
    .video-list li {
        width: 100%;
        padding: 0 0 40px;
    }
    .video-box iframe {
        height: 240px;
    }
}