#content{padding-bottom: 45px;}
.content-box{padding-right: 0;}
.tab-box{padding-right: 30px;}
.tab-content{padding-bottom: 30px;}
.search-box{padding-right: 30px;}
/*内容0*/
.introduction-media{padding: 46px;text-align: center;}
.media-video{width: 624px;height: 351px;background: #363636;}
.introduction-text{font-size: 18px;line-height: 36px;}
/*内容1*/
.search-box{display: flex;flex-direction: row;justify-content: space-between;justify-items: center;}
.search-box .total{font-size: 14px;color: #7B7B7B;line-height: 35px;}
.search-box .num{font-size: 14px;color: #4CA66B;line-height: 35px;}
.search-box .search{display: flex;align-items: center;height: 35px;line-height: 35px;}
.search-box input {border: 1px solid #D2D2D2;color: #999;display: inline-block;width: 169px;outline: none;height: 33px;padding-left: 8px;}
.search-box input:focus{ border: 1px solid #0a9300;}
.doc-list{display: flex;flex-direction: row;margin-top: 20px;-webkit-flex-wrap: wrap;flex-wrap: wrap;}
.doc-item{min-width: 100px;margin: 0px 20px 20px 0; width: calc(25% - 25px)}
.doc-img-box{background: #ebebeb;text-align: center;height: 200px;}
.doc-img{height: 100%;}
.doc-text-box{padding: 8px;}
.doc-title{color: #0c0c0c;font-size: 14px;font-weight:bold;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 1;overflow: hidden;text-overflow:ellipsis;word-wrap: break-word;}
.doc-type{padding-top: 5px;font-size: 12px;}
.doc-course{padding-top: 5px;font-size: 12px;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 1;overflow: hidden;text-overflow:ellipsis;}
.doc-time{padding-top: 5px;font-size: 12px;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 1;overflow: hidden;text-overflow:ellipsis;}
.page-row{text-align: center;position: absolute;bottom: 30px;width: 100%;}
.doc-description{padding-top: 5px;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 2;overflow: hidden;text-overflow:ellipsis;}
.doc-time-style{padding-top: 10px;}

@media screen and (max-width: 1200px) {
    .content-box{width:83%;}
}