.relative{position:relative}.media-item__tag span{float:left;margin-right:6px;height:16px;padding:0 4px;max-width:56px;line-height:16px;font-size:12px;font-weight:300;color:#2E2424;display:block;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.media-item__tag span:nth-child(1){background:#edd4fa}.media-item__tag span:nth-child(2){background:#FAE7CD}.media-item__tag span:nth-child(3){background:#DCE6FA}.media-item__tag span:nth-child(4){background:#FADCDC}.media-item__tag span:nth-child(5){background:#E4F5CE}.media-item__tag span:nth-child(1){background:#edd4fa}.media-item__tag span:nth-child(2){background:#FAE7CD}.media-item__tag span:nth-child(3){background:#DCE6FA}.media-item__tag span:nth-child(4){background:#FADCDC}.media-item__tag span:nth-child(5){background:#E4F5CE}.media-item{width:580px;float:left;padding:20px;margin-bottom:20px;background-color:rgba(255,255,255,0.5);background:linear-gradient(90deg, #fff 0%, rgba(255,255,255,0.5) 100%);border-radius:8px;border:1px solid #FFE0E1;transition:all .2s}.media-item:nth-of-type(2n+2){margin-left:40px}.media-item__link{color:#2E2424}.media-item__img,.media-item__desc{float:left}.media-item__img{width:140px;height:104px;border-radius:4px;margin-right:20px;float:left;position:relative}.media-item__img img{object-fit:cover;width:100%;height:100%}.media-item__playbtn{display:block;width:50px;height:50px;background:url("../images/xuexi/list-icons.png") no-repeat -122px -28px;position:absolute;top:50%;right:auto;bottom:auto;left:50%;z-index:0;transform:translate(-25px, -25px)}.media-item__desc{width:360px;height:104px}.media-item__title{font-size:18px;font-weight:bold;color:#2E2424;line-height:24px;display:block;margin-bottom:8px;height:48px;display:block;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.media-item__abstract{font-size:14px;display:block;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.media-item__tag{margin-bottom:16px;height:16px}.media-item__refer:after{visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0}*html .media-item__refer{zoom:1}*:first-child+html .media-item__refer{zoom:1}.media-item-refer__label{max-width:50%;padding-left:18px;line-height:16px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-weight:300;position:relative}.media-item-refer__label::before{content:"";display:block;background:url(../images/xuexi/list-icons.png) no-repeat;position:absolute;z-index:0;width:14px;height:14px;position:absolute;top:1px;right:auto;bottom:auto;left:0;z-index:0}.media-item-refer__label:first-of-type::before{background-position:-138px 0}.media-item-refer__label:last-of-type::before{background-position:-160px 0}.relative{position:relative}.relative{position:relative}.search-form .search-form-wrapper{padding:0 12px}.search-form .search-form-button{position:absolute;right:0;top:0;border:none;outline:none;font-size:0;width:18px;background:#FFCB67 url("../images/xuexi/icon-xuexi-search.png") no-repeat center/18px 18px}.search-form .search-form-button:hover{opacity:.8}.search-form.header-search-form{width:300px;height:40px;background:#660002;border:1px solid #EB2732;border-radius:8px;overflow:hidden;margin-top:20px;position:relative}.search-form.header-search-form .search-form-wrapper{padding:10px 0;border-radius:20px}.search-form.header-search-form .search-form-button{width:44px;height:38px;border-radius:0 7px 7px 0}.search-form.header-search-form .search-form-input{width:90%;margin-left:10px;color:#fff;font-size:14px}.search-form.search-page-form{text-align:center}.search-form.search-page-form .search-form-wrapper{width:500px;border-radius:8px;display:inline-block;position:relative}.search-form.search-page-form .search-form-input{color:#333;width:100%;padding:15px 0}.search-form.search-page-form .search-form-button{line-height:1;padding:0 16px;margin-left:10px;border-radius:4px;height:50px;width:50px}.search-form .search-form-input{border:none;font-size:16px;outline:none;color:#fff;background-color:transparent}.tech-toast{display:block;width:160px;height:160px;background:url(../images/xuexi/tech-toast.png) no-repeat center;position:fixed;top:160px;right:auto;bottom:auto;left:0;z-index:111}.tech-toast i{display:inline-block;width:35px;height:35px;cursor:pointer}.tech-toast.tech-toast-zt{background:url(../images/xuexi/img-qnyj.png) no-repeat center;top:400px}.tech-toast.tech-toast-ds{height:229px;background:url(../images/xuexi/img-ds.png) no-repeat center;top:300px;left:auto;right:0}.index-part-wrapper{padding-top:160px}.index-part-3 .tags-content-large{width:753px;margin-left:41px}.index-part-3 .tags-content-title{position:relative;overflow:hidden;padding-bottom:10px}.index-part-3 .tags-content-title:after{content:"";width:100%;height:6px;position:absolute;left:0;bottom:5px;background:url(../images/xuexi/index-title-bg.png) no-repeat left center;background-size:100% 6px}.index-part-3 .tags-content-title h2{font-size:0;float:left;width:112px;height:50px;margin-bottom:5px;background:url("../images/xuexi/index-title-ds.png") no-repeat center/100% auto}.index-part-3 .tags-content-title a{position:relative;display:block;width:28px;font-size:14px;line-height:14px;color:#2E2424;font-weight:300;float:right;margin-top:11px;margin-right:14px}.index-part-3 .tags-content-title a:before{display:inline-block;content:"";width:6px;height:8px;background:url(../images/xuexi/index-icons.png) no-repeat;background-size:463px 162px;background-position:0 -80px;position:absolute;top:12px;right:-12px;bottom:auto}.index-part-3 .tags-content-main .swiper-block{float:left;width:365px;height:575px}.index-part-3 .tags-content-main .swiper-block .swiper-container{height:100%}.index-part-3 .tags-content-main .swiper-block .swiper-button-next{right:39%}.index-part-3 .tags-content-main .swiper-block .swiper-button-prev{left:39%}.index-part-3 .tags-content-main .swiper-block:nth-of-type(2){margin-left:23px}.index-part-3 .tags-content-main .part3-block{width:100%}.history-list{padding:30px 0 20px;width:1200px;margin:0 auto;position:relative;border-radius:8px 8px 0 0;background:url("../images/xuexi/history-list-bg.png") no-repeat center/cover}.history-list::after{content:"";position:absolute;left:-60px;bottom:0;width:238px;height:80px;background:url("../images/xuexi/history-list-dec.png") no-repeat center/cover}.history-list .history-list__title{width:34px;height:136px;display:inline-block;font-size:0;background:url(../images/xuexi/index-title-dszh.png) no-repeat center;background-size:100% 100%;position:absolute;top:50px;left:28px;z-index:1}.history-list .dl-blocks{padding-left:99px}.history-list .dl-blocks .swiper-slide{width:auto !important}.history-list .entry-a{cursor:pointer;display:inline-block;position:absolute;left:32px;top:206px;z-index:11;color:#fff;font-size:14px;line-height:14px;font-weight:300}.history-list .entry-a:before{content:"";display:block;position:absolute;right:-16px;transition:right .2s;top:50%;content:"";border-width:4px 6px;border-color:transparent;border-style:solid;border-left-color:#fff;margin-top:-2px}.history-list .media-item{float:none;width:370px;padding:18px 20px;margin-bottom:10px;margin-right:0;margin-left:0}.history-list .media-item__img{width:88px;height:66px;margin-right:10px}.history-list .media-item__tag{margin-bottom:0}.history-list .media-item__desc{width:222px;height:auto;margin-bottom:0}.history-list .media-item__refer{margin-top:12px}.history-list .media-item__title{font-size:16px;line-height:1.25;font-weight:400;height:40px;margin-bottom:10px}.index-part .meeting_img{display:block;width:744px;height:90px;margin:19px 0px 0 40px}