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h2[data-v-8b938da1]{margin:0}.header-actions[data-v-8b938da1]{display:flex;gap:10px;align-items:center}.card-header[data-v-8b938da1]{display:flex;align-items:center;justify-content:space-between}.score[data-v-8b938da1]{font-weight:600;color:#409eff}.sub-text[data-v-8b938da1]{font-size:12px;color:#909399}.detail-section[data-v-8b938da1]{margin-top:24px}.detail-section h4[data-v-8b938da1]{margin-bottom:12px;border-bottom:1px solid #e4e7ed;padding-bottom:4px}.mt-2[data-v-8b938da1]{margin-top:12px}.dim-item[data-v-8b938da1]{margin-right:16px;display:inline-block}.dim-name[data-v-8b938da1]{color:#606266}.dim-score[data-v-8b938da1]{font-weight:600;color:#409eff}.weak-tags-panel[data-v-8b938da1]{display:flex;flex-direction:column;gap:12px;margin-top:12px}.weak-tag-row[data-v-8b938da1]{display:flex;align-items:center;gap:12px}.weak-tag-name[data-v-8b938da1]{width:120px;flex-shrink:0}.weak-tag-score[data-v-8b938da1]{flex:1}.admin-video-encryption[data-v-079c9d6b]{padding:0}.management-header[data-v-079c9d6b]{margin-bottom:20px}.management-header h2[data-v-079c9d6b]{margin:0;font-size:24px;color:#1e293b}.encryption-info p[data-v-079c9d6b]{color:#64748b;margin-bottom:20px}.action-row[data-v-079c9d6b]{margin-top:30px;display:flex;justify-content:center}.notes-list[data-v-079c9d6b]{padding-left:20px;color:#64748b;line-height:2}.notes-list li[data-v-079c9d6b]{margin-bottom:8px}.table-action-column[data-v-ef894bb6]{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:6px;padding:0;white-space:nowrap}.table-action-column[data-v-ef894bb6] .el-button+.el-button{margin-left:0!important}.course-intro-video-preview[data-v-ef894bb6]{max-width:640px;margin:0 auto;border-radius:8px;width:100%;height:auto;display:block;background:#000}.admin-layout[data-v-ef894bb6]{min-height:calc(100vh - 80px);display:flex;background:#f8fafc}.admin-sidebar[data-v-ef894bb6]{overflow:auto;width:205px;height:100%;position:fixed!important;z-index:100;top:0;bottom:0;left:0;background-color:#324157;padding:0}.admin-sidebar .sidebar-btn[data-v-ef894bb6]{width:calc(100% - 40px);margin:20px}.admin-sidebar .admin-menu[data-v-ef894bb6]{background:transparent;border:none;width:100%}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-menu-item{color:#bfcbd9;background-color:transparent}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-menu-item:hover{background-color:#263445;color:#fff}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-menu-item.is-active{background-color:#409eff;color:#fff;border-right:3px solid #409eff}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-sub-menu .el-sub-menu__title{color:#bfcbd9;background-color:transparent}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-sub-menu .el-sub-menu__title:hover{background-color:#263445;color:#fff}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-sub-menu.is-opened .el-sub-menu__title{color:#fff}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-sub-menu .el-menu{background-color:#1f2d3d}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-sub-menu .el-menu .el-menu-item{background-color:#1f2d3d!important;color:#bfcbd9!important;padding-left:50px!important}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-sub-menu .el-menu .el-menu-item:hover{background-color:#263445!important;color:#fff!important}.admin-sidebar .admin-menu[data-v-ef894bb6] .el-sub-menu .el-menu .el-menu-item.is-active{background-color:#409eff!important;color:#fff!important}.admin-content[data-v-ef894bb6]{margin-left:205px;flex:1;padding:2rem;overflow-y:auto;min-height:calc(100vh - 80px)}.course-management[data-v-ef894bb6]{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #0000001a;height:calc(100vh - 120px);display:flex;flex-direction:column}.course-management .management-header[data-v-ef894bb6]{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid #334155}.course-management .management-header h2[data-v-ef894bb6]{margin:0;font-size:1.5rem}.course-management .management-header .header-actions[data-v-ef894bb6]{display:flex;gap:.5rem}.course-management .management-body[data-v-ef894bb6]{flex:1;display:flex;gap:1.5rem;overflow:hidden}.tree-panel[data-v-ef894bb6]{width:350px;border:1px solid #e5e7eb;border-radius:8px;display:flex;flex-direction:column;background:#fafafa}.tree-panel .tree-header[data-v-ef894bb6]{padding:1rem;background:#f3f4f6;border-bottom:1px solid #334155;font-weight:600;color:#374151}.tree-panel .tree-content[data-v-ef894bb6]{flex:1;overflow-y:auto;padding:.5rem}.tree-panel .tree-content[data-v-ef894bb6] .el-tree{background:transparent}.tree-panel .tree-content[data-v-ef894bb6] .el-tree .el-tree-node .el-tree-node__content{height:36px;border-radius:4px;margin-bottom:2px}.tree-panel .tree-content[data-v-ef894bb6] .el-tree .el-tree-node .el-tree-node__content:hover{background:#f3f4f6}.tree-panel .tree-content[data-v-ef894bb6] .el-tree .el-tree-node .el-tree-node__content .tree-node{display:flex;align-items:center;justify-content:space-between;width:100%;padding-right:.5rem}.tree-panel .tree-content[data-v-ef894bb6] .el-tree .el-tree-node .el-tree-node__content .tree-node .node-label{flex:1;font-size:.9rem}.tree-panel .tree-content[data-v-ef894bb6] .el-tree .el-tree-node .el-tree-node__content .tree-node .node-actions{display:flex;gap:.25rem;opacity:0;transition:opacity .2s}.tree-panel .tree-content[data-v-ef894bb6] .el-tree .el-tree-node .el-tree-node__content:hover .tree-node .node-actions{opacity:1}.tree-panel .tree-content[data-v-ef894bb6] .el-tree .el-tree-node.is-current>.el-tree-node__content{background:#e0f2fe;color:#0369a1}.content-panel[data-v-ef894bb6]{flex:1;border:1px solid #e5e7eb;border-radius:8px;display:flex;flex-direction:column;background:#fff}.content-panel .content-header[data-v-ef894bb6]{padding:1rem;background:#f9fafb;border-bottom:1px solid #334155;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#374151}.content-panel .content-body[data-v-ef894bb6]{flex:1;overflow-y:auto;padding:1rem}.content-panel .content-body .empty-hint[data-v-ef894bb6]{display:flex;align-items:center;justify-content:center;height:100%;min-height:300px}.content-panel .content-body .course-content-section[data-v-ef894bb6]{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #e5e7eb}.content-panel .content-body .course-content-section .section-header[data-v-ef894bb6]{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:1rem}.content-panel .content-body .course-content-section .section-header .section-subtitle[data-v-ef894bb6]{color:#6b7280;font-weight:400}@media screen and (max-width:1200px){.course-management[data-v-ef894bb6]{height:auto;padding:1.5rem}.course-management .management-body[data-v-ef894bb6]{flex-direction:column;overflow:visible}.tree-panel[data-v-ef894bb6],.content-panel[data-v-ef894bb6]{width:100%}.tree-panel[data-v-ef894bb6]{max-height:260px}}@media screen and (max-width:768px){.course-management[data-v-ef894bb6]{padding:1rem}.course-management .management-header[data-v-ef894bb6]{flex-direction:column;align-items:flex-start;gap:.75rem}.content-panel .content-header[data-v-ef894bb6]{flex-direction:column;align-items:flex-start;gap:.5rem}}.category-list[data-v-ef894bb6]{width:100%}.category-list .category-item[data-v-ef894bb6]{display:flex;gap:.5rem;margin-bottom:.5rem;align-items:center}.form-hint[data-v-ef894bb6]{font-size:14px;color:#475569;line-height:1.7;font-weight:400}.form-hint strong[data-v-ef894bb6]{color:#1e293b;font-weight:600}.form-hint span[data-v-ef894bb6]{color:#334155}.user-management[data-v-ef894bb6]{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #0000001a;min-height:calc(100vh - 120px);display:flex;flex-direction:column}.user-management .management-header[data-v-ef894bb6]{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid #334155}.user-management .management-header h2[data-v-ef894bb6]{margin:0;font-size:1.5rem}.user-management .management-header .header-actions[data-v-ef894bb6]{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;justify-content:flex-end}.user-management .management-header .header-actions .user-count[data-v-ef894bb6]{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#f0f9ff;border-radius:6px;border:1px solid #bae6fd}.user-management .management-header .header-actions .user-count .count-label[data-v-ef894bb6]{color:#0369a1;font-weight:500}.user-management .management-header .header-actions .user-count .count-value[data-v-ef894bb6]{color:#0284c7;font-size:1.25rem;font-weight:600}.user-management .management-body[data-v-ef894bb6]{flex:1;overflow:auto;background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 8px #0000000f}.user-management .management-body[data-v-ef894bb6] .el-table{background:#fff;border:1px solid #e2e8f0}.user-management .management-body[data-v-ef894bb6] .el-table .el-table__header th{background:#f8fafc!important;color:#1e293b!important;font-weight:600!important;font-size:14px!important;border-bottom:2px solid #e2e8f0;padding:16px 12px!important}.user-management .management-body[data-v-ef894bb6] .el-table .el-table__body tr:hover{background:#f8fafc}.user-management .management-body[data-v-ef894bb6] .el-table .el-table__body td{color:#1e293b!important;font-size:14px!important;font-weight:400;border-bottom:1px solid #f1f5f9;padding:16px 12px!important;line-height:1.6!important}.user-management .management-body[data-v-ef894bb6] .el-table .el-table__body td:nth-of-type(6){color:#1e293b!important;font-size:15px!important;font-weight:400!important;line-height:1.8!important}.user-management .management-body[data-v-ef894bb6] .el-table .el-table__body td:nth-of-type(6) div,.user-management .management-body[data-v-ef894bb6] .el-table .el-table__body td:nth-of-type(6) span{color:#1e293b!important;font-size:15px!important;font-weight:400!important;line-height:1.8!important}.user-management .management-body[data-v-ef894bb6] .el-table .el-table__body :deep(.el-input-number){width:100%}.user-management .management-body[data-v-ef894bb6] .el-table .el-table__body :deep(.el-input-number) .el-input__inner{color:#1e293b!important;font-weight:500;font-size:14px;height:36px;line-height:36px}.user-search-input[data-v-ef894bb6]{width:240px}.user-filter-select[data-v-ef894bb6]{width:170px}.user-filter-select--institution[data-v-ef894bb6]{width:260px}.user-management-body[data-v-ef894bb6]{padding:12px!important;overflow:hidden!important;display:flex;flex-direction:column}.user-table-wrapper[data-v-ef894bb6]{flex:1;overflow:auto;border:1px solid #e2e8f0;border-radius:8px;background:#fff}.user-table[data-v-ef894bb6]{min-width:1320px}.user-table.user-table--detail[data-v-ef894bb6]{min-width:2100px}.user-table-wrapper[data-v-ef894bb6] .el-scrollbar__bar.is-horizontal{display:none!important}.user-table-wrapper[data-v-ef894bb6] .el-table__header th{padding:10px 8px!important}.user-table-wrapper[data-v-ef894bb6] .el-table__body td{padding:8px!important}.plan-type-text[data-v-ef894bb6]{font-weight:600;font-size:14px}.plan-type-monthly[data-v-ef894bb6]{color:#2563eb;font-weight:600}.plan-type-quarterly[data-v-ef894bb6]{color:#059669;font-weight:600}.plan-type-yearly[data-v-ef894bb6]{color:#ea580c;font-weight:600}[data-v-ef894bb6] .admin-tools{margin-top:1.5rem;padding:1.5rem;background:#f9fafb;border-radius:8px;border:1px solid #e5e7eb;min-width:0;overflow:visible}[data-v-ef894bb6] .admin-tools .tool-row{display:flex;align-items:flex-start;margin-bottom:1.5rem}[data-v-ef894bb6] .admin-tools .tool-row:last-child{margin-bottom:0}[data-v-ef894bb6] .admin-tools .tool-row .tool-label{width:120px;font-weight:500;color:#374151;flex-shrink:0;padding-top:6px}[data-v-ef894bb6] .admin-tools .tool-row .tool-controls{flex:1;display:flex;align-items:center;gap:.75rem;min-width:0}[data-v-ef894bb6] .admin-tools .tool-row.purchased-list .tool-label,[data-v-ef894bb6] .admin-tools .tool-row.device-list .tool-label{padding-top:0}[data-v-ef894bb6] .admin-tools .tool-row.purchased-list .tool-controls,[data-v-ef894bb6] .admin-tools .tool-row.device-list .tool-controls{flex-direction:column;align-items:stretch;min-width:0}[data-v-ef894bb6] .admin-tools .tool-row .purchased-panel,[data-v-ef894bb6] .admin-tools .tool-row .device-panel{border:1px solid #e5e7eb;border-radius:6px;background:#fff;padding:.75rem;width:100%;box-sizing:border-box;min-width:0}[data-v-ef894bb6] .admin-tools .tool-row .purchased-panel .purchased-empty,[data-v-ef894bb6] .admin-tools .tool-row .purchased-panel .device-empty,[data-v-ef894bb6] .admin-tools .tool-row .device-panel .purchased-empty,[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-empty{padding:1rem;text-align:center;color:#9ca3af;font-size:14px}[data-v-ef894bb6] .admin-tools .tool-row .purchased-panel .device-table-wrapper,[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-wrapper{width:100%;min-width:0;overflow-x:auto}[data-v-ef894bb6] .admin-tools .tool-row .purchased-panel .device-table-wrapper :deep(.el-table),[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-wrapper :deep(.el-table){width:100%;min-width:510px}[data-v-ef894bb6] .admin-tools .tool-row .purchased-panel .device-table-wrapper :deep(.el-table__body-wrapper),[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-wrapper :deep(.el-table__body-wrapper){overflow-x:visible}[data-v-ef894bb6] .admin-tools .tool-row .purchased-panel .device-table-wrapper :deep(.el-table__header-wrapper),[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-wrapper :deep(.el-table__header-wrapper){overflow-x:visible}[data-v-ef894bb6] .admin-tools .tool-row .device-panel{overflow-x:auto;overflow-y:visible;max-height:200px}[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-container{width:100%;min-width:510px;overflow-x:auto}[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-container :deep(.el-table){width:100%;min-width:510px}[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-container :deep(.el-table__body-wrapper){overflow-x:visible}[data-v-ef894bb6] .admin-tools .tool-row .device-panel .device-table-container :deep(.el-table__header-wrapper){overflow-x:visible}[data-v-ef894bb6] .admin-tools .tool-row .device-panel .purchased-item{padding:.5rem;border-bottom:1px solid #f3f4f6}[data-v-ef894bb6] .admin-tools .tool-row .device-panel .purchased-item:last-child{border-bottom:none}[data-v-ef894bb6] .admin-tools .tool-row .device-panel .purchased-item .p-course-title{font-size:14px;color:#374151}.lang-template-editor[data-v-ef894bb6]{width:720px!important;max-width:720px!important;flex:0 0 720px!important;overflow:hidden}.lang-template-editor[data-v-ef894bb6] .code-editor-container{width:100%!important}.lang-template-editor[data-v-ef894bb6] .cm-editor{width:100%!important;min-height:260px}.lang-template-editor[data-v-ef894bb6] .cm-scroller{overflow:auto}.lang-template-editor[data-v-ef894bb6] .cm-content{white-space:pre-wrap;word-break:break-all}[data-v-ef894bb6] .el-dialog__footer{display:flex!important;justify-content:flex-end;align-items:center;gap:8px;padding:12px 20px!important;border-top:1px solid #e4e7ed;background:#fff}[data-v-ef894bb6] .el-dialog__footer .el-button{display:inline-flex!important}.plan-type-weekly[data-v-ef894bb6]{color:#0ea5e9}.plan-type-biyearly[data-v-ef894bb6]{color:#06b6d4}.category-intro-video-preview--w360[data-v-ef894bb6]{width:360px;max-width:360px;max-height:200px;object-fit:contain;background:#000}.video-container--w300[data-v-ef894bb6]{width:300px;max-width:300px}.video-container--w300 .video-preview[data-v-ef894bb6]{width:100%;max-width:100%}.video-status[data-v-ef894bb6]{display:flex;align-items:center;gap:8px;margin-top:8px}.video-status-text[data-v-ef894bb6]{color:#6b7280;font-size:12px}.video-status-error[data-v-ef894bb6]{margin-top:8px}