.episode-management .course-header[data-v-9fd4adde]{margin-bottom:20px}.episode-management .course-header .course-info[data-v-9fd4adde]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:10px}.episode-management .course-header .course-info h3[data-v-9fd4adde]{margin:0;color:#303133}.episode-management .episode-title-cell .episode-title[data-v-9fd4adde]{font-weight:700;margin-bottom:4px}.episode-management .episode-title-cell .episode-desc[data-v-9fd4adde]{font-size:12px;color:#999;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}.episode-management .no-thumbnail[data-v-9fd4adde]{width:80px;height:45px;background:#f5f5f5;color:#999;font-size:12px;border-radius:4px}.episode-management .no-thumbnail[data-v-9fd4adde],.episode-management .video-preview[data-v-9fd4adde]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.episode-management .video-upload-container .video-item-selected[data-v-9fd4adde]{position:relative;margin-bottom:10px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.episode-management .video-upload-container .video-item-selected .video-preview-wrapper[data-v-9fd4adde]{position:relative;width:320px;height:180px;border-radius:4px;overflow:hidden}.episode-management .video-upload-container .video-item-selected .video-preview-wrapper video[data-v-9fd4adde]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.episode-management .video-upload-container .video-item-selected .video-preview-wrapper .video-overlay[data-v-9fd4adde]{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;border-radius:4px}.episode-management .video-upload-container .video-item-selected .video-preview-wrapper .video-overlay i[data-v-9fd4adde]{font-size:24px;color:#fff}.episode-management .video-upload-container .video-item-selected .video-preview-wrapper .video-actions[data-v-9fd4adde]{position:absolute;top:0;right:0;padding:5px;display:-webkit-box;display:-ms-flexbox;display:flex;gap:5px}.episode-management .video-upload-container .video-item-selected .video-preview-wrapper .video-actions .el-button[data-v-9fd4adde]{padding:0;background:none;border:none;color:#fff;font-size:12px;cursor:pointer}.episode-management .video-upload-container .video-item-selected .video-preview-wrapper .video-actions .el-button[data-v-9fd4adde]:hover{text-decoration:underline}.episode-management .video-upload-container .video-select-btn[data-v-9fd4adde]{width:100%;height:200px;border:1px dashed #ddd;border-radius:4px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;cursor:pointer;-webkit-transition:border-color .3s;transition:border-color .3s}.episode-management .video-upload-container .video-select-btn[data-v-9fd4adde]:hover{border-color:#409eff}.episode-management .video-upload-container .video-select-btn:hover i[data-v-9fd4adde],.episode-management .video-upload-container .video-select-btn:hover p[data-v-9fd4adde]{color:#409eff}.episode-management .video-upload-container .video-select-btn i[data-v-9fd4adde]{font-size:28px;color:#ddd;-webkit-transition:color .3s;transition:color .3s}.episode-management .video-upload-container .video-select-btn p[data-v-9fd4adde]{margin-top:10px;color:#999;font-size:14px;-webkit-transition:color .3s;transition:color .3s}.episode-management .video-material-content[data-v-9fd4adde]{text-align:center;padding:20px}.episode-management .video-material-content .el-form[data-v-9fd4adde]{text-align:left}.episode-management .video-material-content .upload-video .el-upload[data-v-9fd4adde],.episode-management .video-material-content .upload-video[data-v-9fd4adde]{display:inline-block}.episode-management .dialog-footer[data-v-9fd4adde]{text-align:right}