.lesson-part[data-v-e52f2566]{-webkit-box-flex:1;-ms-flex:1;flex:1;min-height:140px;border:1px solid #ebeef5;border-radius:8px;background:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;overflow:hidden}.lesson-part__header[data-v-e52f2566]{padding:10px 12px;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;background:#fafafa;border-bottom:1px solid #ebeef5;-ms-flex-negative:0;flex-shrink:0}.lesson-part__header[data-v-e52f2566],.lesson-part__title[data-v-e52f2566]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.lesson-part__title[data-v-e52f2566]{gap:8px;color:#303133;font-weight:600;font-size:14px}.lesson-part__head-icon[data-v-e52f2566]{font-size:16px;color:#606266}.lesson-part__clear[data-v-e52f2566]{padding:0;color:#909399}.lesson-part__clear[data-v-e52f2566]:hover{color:#409eff}.lesson-part__body[data-v-e52f2566]{padding:12px;-webkit-box-flex:1;-ms-flex:1;flex:1;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;min-height:0}.lesson-part__resource-row[data-v-e52f2566]{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;gap:10px;-ms-flex-negative:0;flex-shrink:0}.lesson-part__resource-row.is-empty[data-v-e52f2566]{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.resource-card[data-v-e52f2566]{position:relative;width:120px;border:1px solid #ebeef5;border-radius:6px;padding:8px;background:#fff;cursor:default}.resource-card__thumb[data-v-e52f2566]{height:72px;background:#f5f7fa;border-radius:4px;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;color:#909399;font-size:12px;overflow:hidden}.resource-card__thumb-img[data-v-e52f2566]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.resource-card--add[data-v-e52f2566]{border:1px dashed #dcdfe6;background:#fbfdff;cursor:pointer;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}.resource-card--add[data-v-e52f2566]:hover{border-color:#c6e2ff;background:#ecf5ff}.resource-card__add-plus[data-v-e52f2566]{height:72px;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;font-size:28px;color:#c0c4cc;line-height:72px}.resource-card__name--add[data-v-e52f2566]{margin-top:0;height:auto;text-align:center}.resource-card__name[data-v-e52f2566]{margin-top:8px;font-size:12px;color:#606266;line-height:16px;height:32px;overflow:hidden}.resource-card__close[data-v-e52f2566]{position:absolute;right:6px;top:6px;width:18px;height:18px;line-height:18px;border-radius:9px;background:rgba(0,0,0,.35);color:#fff;text-align:center;font-size:12px;cursor:pointer}.resource-config[data-v-54ec1982]{padding:16px}.resource-config__row[data-v-54ec1982]{min-height:calc(100vh - 110px)}.resource-config__col[data-v-54ec1982]{height:100%}.resource-config__col--knowledge[data-v-54ec1982]{position:relative;z-index:1}.resource-config__col--resource[data-v-54ec1982]{position:relative;z-index:2}.knowledge-panel[data-v-54ec1982]{overflow:hidden}.panel[data-v-54ec1982]{background:#fff;border-radius:6px;border:1px solid #ebeef5;height:calc(100vh - 110px);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.panel__header[data-v-54ec1982]{padding:12px 12px 10px;border-bottom:1px solid #ebeef5;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.panel__header--split[data-v-54ec1982]{gap:12px}.panel__header-actions[data-v-54ec1982]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-ms-flex-wrap:wrap;flex-wrap:wrap;gap:8px}.resource-config__footer[data-v-54ec1982]{-ms-flex-negative:0;flex-shrink:0;padding:12px;border-top:1px solid #ebeef5;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.lesson-tabs[data-v-54ec1982]{padding:10px 12px 2px}.lesson-tabs__empty[data-v-54ec1982]{padding:6px 2px;color:#909399;font-size:12px}.lesson-tabs__list[data-v-54ec1982]{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;gap:10px}.lesson-tab[data-v-54ec1982]{display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;background:#f2f3f5;border:1px solid #e4e7ed;color:#303133;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.lesson-tab.is-active[data-v-54ec1982]{background:#ecf5ff;border-color:#409eff}.lesson-tab__name[data-v-54ec1982]{font-weight:600;font-size:14px;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-tab__icon[data-v-54ec1982]{color:#606266;cursor:pointer;padding:2px;border-radius:4px}.lesson-tab__icon[data-v-54ec1982]:hover{color:#409eff;background:rgba(64,158,255,.1)}.lesson-tab__icon--danger[data-v-54ec1982]:hover{color:#f56c6c;background:rgba(245,108,108,.1)}.panel__title[data-v-54ec1982]{font-weight:600;color:#303133}.panel__body[data-v-54ec1982]{padding:12px;-webkit-box-flex:1;-ms-flex:1;flex:1;overflow:hidden}.panel__body--scroll[data-v-54ec1982]{overflow:auto}.knowledge-panel__body[data-v-54ec1982]{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-flex:1;-ms-flex:1;flex:1;min-height:0}.knowledge-panel__tabs[data-v-54ec1982]{-ms-flex-negative:0;flex-shrink:0;margin-bottom:10px}.knowledge-panel__empty[data-v-54ec1982]{color:#909399;font-size:13px;padding:24px 8px;text-align:center}.knowledge-panel__editor[data-v-54ec1982]{-webkit-box-flex:1;-ms-flex:1;flex:1;min-height:320px;min-width:0}.knowledge-panel__hint[data-v-54ec1982]{-ms-flex-negative:0;flex-shrink:0;margin-top:8px;font-size:12px;color:#909399;line-height:1.5}.panel__body--resource-center[data-v-54ec1982]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;gap:12px;min-height:0}.mb8[data-v-54ec1982]{margin-bottom:8px}.custom-tree-node[data-v-54ec1982]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;width:100%;padding-right:2px;min-width:0}.custom-tree-node__label[data-v-54ec1982]{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.custom-tree-node__count[data-v-54ec1982]{color:#909399;font-size:12px}.custom-tree-node__actions[data-v-54ec1982]{-ms-flex-negative:0;flex-shrink:0;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:2px;margin-left:4px}.custom-tree-node__btn[data-v-54ec1982]{padding:0 2px;color:#409eff}.custom-tree-node__icon[data-v-54ec1982]{color:#606266;cursor:pointer;padding:2px;border-radius:4px;font-size:14px}.custom-tree-node__icon[data-v-54ec1982]:hover{color:#409eff;background:rgba(64,158,255,.1)}.custom-tree-node__icon--danger[data-v-54ec1982]:hover{color:#f56c6c;background:rgba(245,108,108,.1)}.ks3-upload-hint[data-v-54ec1982]{font-size:12px;color:#909399;line-height:1.5;margin-bottom:8px}.ks3-upload-progress[data-v-54ec1982]{margin-top:10px;max-width:100%}.resource-config-msgbox{z-index:10001!important}