:root{--app-bg: #f6f8fb;--app-surface: #fff;--app-surface-soft: #f8fafc;--app-surface-muted: #eef2f7;--app-border: #e5eaf2;--app-border-soft: #edf0f4;--app-text: #172033;--app-text-strong: #111827;--app-text-muted: #7a8597;--app-text-subtle: #64748b;--app-primary: #18b981;--app-primary-strong: #0f6f55;--app-primary-soft: #eefbf6;--app-shadow: 0 10px 28px rgba(15,23,42,.045);color:var(--app-text);background:var(--app-bg);font-family:Microsoft YaHei,Segoe UI,Arial,sans-serif;font-size:15px}:root[data-theme=dark]{color-scheme:dark;--app-bg: #0f141b;--app-surface: #171e27;--app-surface-soft: #111821;--app-surface-muted: #202a36;--app-border: #2a3544;--app-border-soft: #24303d;--app-text: #d9e2ef;--app-text-strong: #f4f7fb;--app-text-muted: #94a3b8;--app-text-subtle: #a8b3c3;--app-primary: #21c48d;--app-primary-strong: #58d7ab;--app-primary-soft: rgba(33,196,141,.14);--app-shadow: 0 14px 32px 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.n-layout-sider-scroll-container{display:flex;flex-direction:column;height:100vh;overflow-y:auto;overflow-x:hidden!important;overscroll-behavior-x:none}.brand{height:78px;display:flex;align-items:center;gap:12px;padding:16px 18px;flex:0 0 78px;overflow:hidden;white-space:nowrap;color:var(--app-text-strong)}.brand-mark{display:grid;place-items:center;flex:0 0 auto;width:36px;height:36px;color:#fff;background:linear-gradient(135deg,#12c486,#18b981);border-radius:8px;font-weight:900;box-shadow:0 10px 20px #12c4863d}.brand-copy{flex:0 0 156px;min-width:0;overflow:hidden;white-space:nowrap;opacity:1;transition:opacity .14s ease .16s}.brand--collapsed .brand-copy{opacity:0;transition-delay:0s;pointer-events:none}.brand-copy strong{display:block;overflow:hidden;font-size:18px;line-height:1.1;text-overflow:ellipsis;white-space:nowrap}.brand-copy 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28px!important;justify-content:flex-start!important;overflow:hidden;white-space:nowrap;color:var(--app-text-muted)}.admin-sider.n-layout-sider--collapsed .sidebar-action{padding:0!important;justify-content:center!important}.rotated{transform:rotate(180deg)}.topbar{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 24px;background:color-mix(in srgb,var(--app-surface) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);overflow:hidden;border-bottom:1px solid var(--app-border-soft)}.license-alert{margin:0;border-radius:0}.breadcrumb{display:flex;align-items:center;gap:8px;min-width:0;max-width:520px;overflow:hidden;white-space:nowrap;color:var(--app-text-muted);font-size:14px;font-weight:700}.breadcrumb span,.breadcrumb strong,.breadcrumb-link{min-width:0;overflow:hidden;text-overflow:ellipsis}.breadcrumb-link{color:var(--app-text-muted);text-decoration:none;transition:color .15s 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0;border-radius:6px;font-size:13px;font-weight:500}.admin-shell--builder .sidebar-bottom{margin-top:auto;padding-right:16px;padding-left:8px}.admin-shell--builder .sidebar-action{height:38px;padding-left:18px!important}.mobile-menu-button,.mobile-sider-scrim{display:none}.content .n-card:has(.eyebrow){display:none}.section-tabs-shell{display:flex;flex-direction:column;gap:8px;margin:0 0 16px;padding:7px 10px;background:var(--app-surface);border:1px solid var(--app-border-soft);border-radius:10px;box-shadow:0 8px 20px #0f172a0a}.section-tabs-shell--builder{flex-direction:row;align-items:center;gap:4px;min-height:40px;margin:0 0 8px;padding:4px 8px;border-radius:8px;box-shadow:none}.section-tabs-shell--builder .section-tabs{flex-wrap:nowrap;gap:2px}.section-tabs-shell--builder .section-tab{min-height:30px;padding-inline:12px;border-radius:6px;font-size:12px}@media(max-width:900px){.admin-sider.admin-sider--mobile-open{position:fixed!important;inset:0 auto 0 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var(--app-border-soft)}.section-subtabs{display:flex;align-items:center;gap:8px;min-height:34px;overflow-x:auto;scrollbar-width:none}.section-subtabs::-webkit-scrollbar{display:none}.section-tab-group{display:flex;align-items:center;gap:6px;flex:0 0 auto;padding:0;background:transparent;cursor:default}.section-tab-group+.section-tab-group,.section-tab-group+.section-tab,.section-tab+.section-tab-group{margin-left:22px}.section-tab-group-label{position:relative;display:flex;align-items:center;height:34px;padding:0 4px;color:var(--app-text);font-size:13px;font-weight:900;white-space:nowrap;cursor:default;-webkit-user-select:none;user-select:none;pointer-events:none}.section-tab-group:hover .section-tab-group-label{color:var(--app-text)}.section-tab-group-label:after{content:"";width:1px;height:14px;margin-left:9px;background:var(--app-border);border-radius:999px}.section-tab-group--active .section-tab-group-label{color:var(--app-text-strong)}.section-tab-group--active .section-tab-group-label:before{content:"";position:absolute;left:4px;right:14px;bottom:1px;height:3px;background:var(--app-primary);border-radius:999px}.section-tab{flex:0 0 auto;height:34px;padding:0 14px!important;border-radius:999px!important;font-size:13px!important;font-weight:800!important;color:var(--app-text-muted)!important;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease}.section-tab:hover{color:var(--app-text-strong)!important;background:var(--app-surface-muted)!important}.section-tab.n-button--primary-type{color:#fff!important;background:linear-gradient(135deg,#17c58a,#1fbd8c)!important;box-shadow:0 8px 16px #18b9812e}.section-tab.n-button--primary-type:hover{transform:translateY(-1px)}.section-tab.n-button--primary-type:after{display:none}.section-tab--group{position:relative;color:var(--app-text)!important;font-weight:900!important}.section-tab--child{height:32px;font-weight:700!important}.section-tab--group.n-button--primary-type:after{content:"";display:block;position:absolute;left:14px;right:14px;bottom:-7px;height:3px;border-radius:999px;background:var(--app-primary)}.admin-guide{margin-bottom:12px}.admin-filter-bar{padding:10px 12px;margin-bottom:12px;background:var(--app-surface-soft);border:1px solid var(--app-border-soft);border-radius:8px}.admin-filter-bar .n-input,.admin-filter-bar .n-select{max-width:100%}.filter-keyword{width:220px}.n-card{border-radius:8px!important;box-shadow:var(--app-shadow)}.n-button--primary-type{--n-color:#1fbd8c!important;--n-color-hover:#18a979!important;--n-color-pressed:#128b64!important;--n-border:#1fbd8c!important}:root[data-theme=dark] .n-card{background-color:var(--app-surface)!important;border-color:var(--app-border)!important}:root[data-theme=dark] .n-layout,:root[data-theme=dark] .n-layout-scroll-container{background:var(--app-bg)!important}:root[data-theme=dark] .section-tabs{background:transparent}:root[data-theme=dark] .section-tabs--stacked{border-bottom-color:var(--app-border)}:root[data-theme=dark] .section-tabs-shell{background:color-mix(in srgb,var(--app-surface) 92%,transparent);border-color:var(--app-border)}:root[data-theme=dark] .section-tab{color:var(--app-text-subtle)!important}:root[data-theme=dark] .section-tab--group{color:var(--app-text-muted)!important}:root[data-theme=dark] .section-tab-group{background:transparent}:root[data-theme=dark] .section-tab-group-label{color:var(--app-text-muted)}:root[data-theme=dark] .section-tab-group:hover .section-tab-group-label,:root[data-theme=dark] .section-tab-group--active .section-tab-group-label{color:var(--app-text-strong)}:root[data-theme=dark] 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.n-data-table .n-data-table-empty{background-color:var(--app-surface)!important;color:var(--app-text)!important}:root[data-theme=dark] .n-data-table .n-data-table-th{background-color:var(--app-surface-soft)!important;color:var(--app-text-strong)!important;border-color:var(--app-border)!important}:root[data-theme=dark] .n-data-table .n-data-table-td{background-color:var(--app-surface)!important;color:var(--app-text)!important;border-color:var(--app-border)!important}:root[data-theme=dark] .n-data-table .n-data-table-tr:hover .n-data-table-td{background-color:var(--app-surface-soft)!important}:root[data-theme=dark] .n-alert{--n-color: rgba(59, 130, 246, .14)!important;--n-border: 1px solid rgba(96, 165, 250, .34)!important;--n-title-text-color: var(--app-text-strong)!important;--n-content-text-color: var(--app-text)!important;--n-icon-color: #60a5fa!important}:root[data-theme=dark] .n-alert.n-alert--success-type{--n-color: rgba(33, 196, 141, .12)!important;--n-border: 1px solid rgba(33, 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.rich-toolbar,:root[data-theme=dark] .rich-markdown,:root[data-theme=dark] .rich-source,:root[data-theme=dark] .rich-preview-card,:root[data-theme=dark] .attachment-item,:root[data-theme=dark] .editor-shell,:root[data-theme=dark] .editor-toolbar,:root[data-theme=dark] .editor-content{background:var(--app-surface-soft)!important;border-color:var(--app-border)!important;color:var(--app-text)!important}:root[data-theme=dark] .rich-markdown .n-input,:root[data-theme=dark] .rich-source .n-input,:root[data-theme=dark] .rich-markdown .n-input-wrapper,:root[data-theme=dark] .rich-source .n-input-wrapper,:root[data-theme=dark] .rich-markdown textarea,:root[data-theme=dark] .rich-source textarea{background:transparent!important;color:var(--app-text)!important;border-color:var(--app-border)!important}:root[data-theme=dark] .rich-toolbar .n-button:not(.n-button--primary-type),:root[data-theme=dark] .rich-toolbar .n-button:not(.n-button--primary-type) .n-button__content{color:var(--app-text)!important}:root[data-theme=dark] .resource-card strong,:root[data-theme=dark] .module-card-head strong,:root[data-theme=dark] .property-summary strong,:root[data-theme=dark] .property-section-title,:root[data-theme=dark] .image-name,:root[data-theme=dark] .editor-content{color:var(--app-text-strong)!important}:root[data-theme=dark] .resource-card span,:root[data-theme=dark] .module-card-meta,:root[data-theme=dark] .property-summary span,:root[data-theme=dark] .page-preview-note,:root[data-theme=dark] .image-size,:root[data-theme=dark] .editor-placeholder{color:var(--app-text-subtle)!important}:root[data-theme=dark] .image-name,:root[data-theme=dark] .module-order,:root[data-theme=dark] .page-preview-viewport{background:var(--app-surface-muted)!important;border-color:var(--app-border)!important}:root[data-theme=dark] .canvas-dropzone.is-resource-over,:root[data-theme=dark] .module-sort-indicator{background:var(--app-primary-soft)!important;border-color:var(--app-primary)!important;color:var(--app-primary-strong)!important}:root[data-theme=dark] .page-preview-device,:root[data-theme=dark] .page-preview-frame{background:#fff!important}