:root{--yfc-red:#f42545;--text-primary:#14233e;--text-secondary:#526581;--text-muted:#7b8ba3;--border-color:#e5edf7;--success:#079c82;--danger:#d62844;--ui-blue:#087cff;--ui-bg:#f2f7fd;--ui-surface:#fff;--ui-radius:10px;--ui-space:20px;--ui-control:40px;--ui-shadow:0 5px 24px #244e8010;--ui-font:14px;--ui-modal:640px}body{background:var(--ui-bg);color:var(--text-primary);font:var(--ui-font)/1.6 'Microsoft YaHei',system-ui,sans-serif}#shell{grid-template-columns:224px minmax(0,1fr)}#shell>aside{background:linear-gradient(180deg,#f8fbff,#eef4fb);border-right:1px solid var(--border-color);height:100dvh;position:sticky;top:0;display:flex;flex-direction:column;padding:20px 12px}#nav{overflow-y:auto;flex:1;min-height:0}#nav button{min-height:44px;border-radius:8px;margin:3px 0;color:var(--text-secondary)}#nav button.active{background:linear-gradient(110deg,var(--yfc-red),#ff5c70);color:white;box-shadow:0 4px 12px #f4254520}#nav .nav-section small{padding:12px 14px 5px;display:block;font-size:11px;color:var(--text-muted)}main{min-width:0;padding:0 24px 40px}main>header{background:#ffffffdd;border-bottom:1px solid var(--border-color);min-height:80px;gap:16px;flex-wrap:wrap}#content{max-width:1600px;margin:auto}.panel,.card,.modal-card{background:var(--ui-surface);border:1px solid var(--border-color);border-radius:var(--ui-radius);box-shadow:var(--ui-shadow)}.panel{overflow:auto}.card{padding:22px}.card b{font-variant-numeric:tabular-nums}table{width:100%;border-collapse:collapse}th{background:#f8faff;font-size:12px;letter-spacing:.02em}th,td{padding:14px 16px;border-bottom:1px solid var(--border-color);vertical-align:top}tbody tr:hover{background:#f8fbff}button,input,select,textarea{font:inherit}button{min-height:36px}button:not(:disabled){cursor:pointer}button:disabled{cursor:wait;opacity:.55}input,select,textarea{border-radius:7px;border-color:var(--border-color);max-width:100%}:is(button,input,select,textarea,a,summary):focus-visible{outline:3px solid #087cff80;outline-offset:3px}.primary{background:var(--yfc-red);min-height:var(--ui-control)}.tag{border-radius:5px}.empty{padding:32px 20px;background:#f8fbff;border-radius:8px}.modal{overflow:auto;align-items:start;padding:5vh 16px}.modal-card{width:min(var(--ui-modal),100%);max-height:90dvh;overflow:auto;margin:auto}.ui-hero{margin:24px 0;background:linear-gradient(115deg,#fff 0%,#e8f2ff 62%,#d9eaff 100%);border:1px solid #e7f0ff;border-radius:12px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:24px}.ui-hero h2{font-size:clamp(26px,3vw,40px);line-height:1.25;margin:8px 0}.ui-hero h2 em{color:var(--yfc-red);font-style:normal}.ui-hero p{max-width:560px;color:var(--text-secondary)}.ui-hero-mark{font-size:68px;color:var(--ui-blue);font-weight:800;letter-spacing:-5px;padding:24px;border-radius:24px;background:#ffffff80}.ui-actions{display:flex;gap:10px;flex-wrap:wrap}.ui-actions button{padding:8px 16px;border:1px solid var(--border-color);border-radius:7px;background:white}.ui-actions .primary{background:var(--yfc-red);color:white}.ui-nav-toggle{width:100%;background:white;border:1px solid var(--border-color);border-radius:7px;color:var(--text-secondary)}.ui-compact #shell{grid-template-columns:84px minmax(0,1fr)}.ui-compact .brand span,.ui-compact #nav button span:not(.nav-icon),.ui-compact #nav small,.ui-compact aside>.status{display:none}.ui-compact #nav button{justify-content:center}.ui-compact .brand{justify-content:center}.ui-compact .brand img{max-width:40px}.knowledge-management .selected{border-color:var(--yfc-red)}pre{white-space:pre-wrap;overflow-wrap:anywhere}input,textarea{scroll-margin:100px}@media(max-width:1000px){.global-search{width:220px}.kpi-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.ui-hero{padding:24px}.header-actions{flex-wrap:wrap}}@media(max-width:700px){#shell,.ui-compact #shell{grid-template-columns:minmax(0,1fr)}#shell>aside{position:relative;height:auto;max-height:45dvh;padding:12px}#nav{display:block}#nav .nav-section{display:block}.ui-compact #nav,.ui-compact .brand{display:none}main{padding:0 12px 24px}main>header{padding:16px 0}.header-actions{width:100%;justify-content:flex-start}.global-search{width:100%}.ui-hero{padding:22px;align-items:start}.ui-hero-mark{display:none}.overview-grid,.cards,.workbench{grid-template-columns:minmax(0,1fr)}.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.modal-card{padding:22px}.brand{margin-bottom:10px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}
.ui-page-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:22px 0 14px;padding:12px 16px;background:white;border:1px solid var(--border-color);border-radius:8px}.ui-page-toolbar span{font-weight:600}.ui-page-toolbar small{color:var(--text-muted)}.ui-table-search{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#f8fbff}.ui-table-search span{font-size:12px;color:var(--text-secondary)}.ui-table-search input{min-height:38px;border:1px solid var(--border-color);padding:7px 10px;background:white}.ui-error-state{margin-top:24px;padding:28px;border:1px solid #ffd3db;background:#fff8fa;border-radius:10px}.ui-error-state button{padding:8px 18px;background:white;border:1px solid var(--border-color);border-radius:7px}.knowledge-management dialog{max-height:88dvh;max-width:min(700px,94vw);overflow:auto;border:1px solid var(--border-color);border-radius:12px;padding:24px;box-shadow:0 20px 80px #1b365540}.knowledge-management dialog::backdrop{background:#13274766}.knowledge-management dialog label{display:block;margin:14px 0}.knowledge-management dialog small{display:block;color:var(--text-secondary);margin-top:6px}.knowledge-management dialog input,.knowledge-management dialog select,.knowledge-management dialog textarea{width:100%;padding:10px;border:1px solid var(--border-color);min-height:40px}.knowledge-management .km-actions{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.knowledge-management [role=alert]:not(:empty){padding:12px;background:#fff2f4;color:var(--danger);border-radius:7px}.knowledge-management .table-wrap{overflow:auto}.knowledge-management section>h3{border-left:3px solid var(--yfc-red);padding-left:12px}@media(max-width:700px){.ui-page-toolbar{align-items:start;flex-direction:column}.ui-table-search{flex-direction:column;align-items:stretch}.ui-table-search input{width:100%}}
.ui-dashboard-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px}.ui-dashboard-panel{padding:22px;min-height:150px}.ui-dashboard-panel h2{font-size:17px;margin:0 0 18px}.ui-shortcuts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ui-shortcuts button{padding:20px 10px;background:linear-gradient(#f4f9ff,#fff);border:1px solid var(--border-color);color:var(--text-primary);border-radius:9px}.ui-recent-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--border-color);padding:12px 0}.ui-recent-row small{color:var(--text-muted);flex:1}.ui-recent-row button,.ui-dashboard-panel>button{border:1px solid var(--border-color);background:white;border-radius:6px;padding:6px 10px}.ui-loading{padding:32px;color:var(--text-secondary)}#ui-shell-actions details{position:relative}#ui-shell-actions details p{position:absolute;right:0;top:30px;width:260px;z-index:20;padding:16px;background:white;box-shadow:var(--ui-shadow);border:1px solid var(--border-color);border-radius:8px}@media(max-width:900px){.ui-dashboard-grid{grid-template-columns:1fr}}@media(max-width:520px){.ui-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}}
.brand{color:var(--text-primary)}.brand b{color:var(--text-primary)}.brand span{color:var(--text-secondary)}.kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.ui-hero{min-height:240px;padding:28px}.ui-hero h2{font-size:36px}main>header{align-items:center;padding:14px 0}#ui-shell-actions summary{cursor:pointer;padding:7px 10px;background:white;border:1px solid var(--border-color);border-radius:7px}.ui-nav-group{display:block;width:100%;background:transparent;border:0;text-align:left;color:var(--text-muted);font-size:11px;padding:12px 14px 5px}.ui-compact .ui-nav-group{display:none}@media(max-width:1000px){.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.ui-hero h2{font-size:28px}}

/* Shared management-page ergonomics; retain native forms and backend feedback. */
.ui-integration-link{display:block;padding:12px 14px;border-radius:8px;color:var(--text-secondary);text-decoration:none}.ui-integration-link:hover{background:#e5efff;color:#075ab8}
:where(button,a,input,select,textarea,summary):focus-visible{outline:3px solid #087cff;outline-offset:3px}
.admin-menu-panel{max-height:min(420px,70dvh);overflow:auto;z-index:50;right:0}
.modal-card{max-height:85dvh;overflow:auto;max-width:calc(100vw - 32px)}
#content table{min-width:640px}#content th{white-space:nowrap;position:sticky;top:0;background:var(--ui-surface);z-index:1}
@media(max-width:768px){main{padding:0 12px 24px}.header-actions{width:100%;flex-wrap:wrap;gap:8px}.global-search{flex:1;min-width:160px}.global-search input{min-width:0;width:100%}#ui-shell-actions{flex-wrap:wrap}.ui-page-toolbar{gap:12px}.ui-dashboard-panel{padding:16px}#ui-shell-actions details p{right:auto;left:0;max-width:calc(100vw - 48px)}}
main>header{height:auto;min-height:96px;display:grid;grid-template-columns:minmax(0,1fr);align-items:start}.header-actions{min-width:0;justify-content:flex-start;flex-wrap:wrap}.ui-page-toolbar{position:static;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin:16px 0}