.video-list {
    max-width: 1320px;
    margin: 0 -10px;
}
.video-list .item {
    width: 25%;
    padding: 7px 10px 50px;
}
.video-list .item:nth-child(4n+1) {
    clear: left;
}
.video-list .box {
    max-width: 315px;
    margin: 0 auto;
    text-align: center;
}
.video-list .pic {
    position: relative;
    overflow: hidden;
    max-width: 315px;
    margin: 0 auto 10px;
}
.video-list .box:hover .pic {
    border-color: #A7B450;
}
.video-list .pic:before {
    content: "";
    background: rgba(0,0,0,0.7);
    display: block;
    position: absolute;
    z-index: 1;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transition: all 0.3s;
}
.video-list .box:hover .pic:before {
    background-position: 50% 50%;
    opacity: 1;
}
.video-list .name {
    color: #3c3c3c;
    font-size: 16px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 25px;
}
.video-list a:hover .name {
    color: #da0000;
}
.video-list .date,
.video-header .date {
    display: block;
    border: 1px solid #ddd;
    border-width: 1px 0;
    width: 104px;
    margin: 5px auto 15px;
    color: #eee;
    font-size: 14px;
    font-weight: bold;
    line-height: 26px;
}

.video-header {
    text-align: center;
    border-bottom: 1px solid #d8d8d8;
    padding-bottom: 5px;
}
.video-header .title {
    max-width: 1300px;
    margin: 10px auto 10px;
    color: #4a4a4a;
    font-size: 23px;
    line-height: 1.5;
    display: inline-block;
    font-weight: bold;
}
.video-detail {
    border-bottom: 1px solid #d8d8d8;
    padding: 25px 0;
	margin-bottom: 50px;
}
.video-detail .editor {
    max-width: 1300px;
    margin: 0 auto;
}
.video-detail .pic iframe{
    width: 100%;
    height: 480px;
    max-width: 840px;
}
.video-detail .pic{
	text-align: center;
	background: #141831;
    padding: 30px 20px;
}
@media screen and (max-width: 1025px) {
    .video-list .item{
        width: 33.33%;
    }
    .video-list .item:nth-child(4n+1) {
        clear: none;
    }
    .video-list .item:nth-child(3n+1) {
        clear: left;
    }
}
@media screen and (max-width: 760px) {
	.video-detail .pic iframe{
	    height: 420px;
	}
}
@media screen and (max-width: 680px) {
    .video-list .item{
        width: 50%;
        padding: 7px 10px 30px;
    }
    .video-list .item:nth-child(3n+1) {
        clear: none;
    }
    .video-list .item:nth-child(2n+1) {
        clear: left;
    }
}
@media screen and (max-width: 640px) {
	.video-detail .pic iframe{
	    height: 360px;
	}
}
@media screen and (max-width: 767px) {
    .video-detail {
        padding: 25px 0;
    }
}
@media screen and (max-width: 450px) {
	.video-detail .pic iframe{
	    height: 220px;
	}
}
@media screen and (max-width: 440px) {
    .video-list .item{
        width: 100%;
    }
    .video-list .item:nth-child(n) {
        clear: none;
    }
}