:root{color:#183b49;font-synthesis:none;background:#eef4f4;font-family:Microsoft YaHei UI,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input{font:inherit}.app-shell{--bg:#eef4f4;--surface:#fff;--surface-subtle:#f5f8f8;--line:#d7e2e3;--text:#173b49;--muted:#657980;--accent:#227477;--accent-deep:#123c49;--shadow:0 10px 26px #123c4914;background:var(--bg);color:var(--text);grid-template-columns:236px minmax(0,1fr);min-height:100dvh;display:grid}.app-shell[data-theme=dark]{--bg:#111b20;--surface:#17262c;--surface-subtle:#1c3036;--line:#2a4249;--text:#e7f1ef;--muted:#afc2c3;--accent:#7bc5bd;--accent-deep:#e1f3ef;--shadow:0 12px 30px #0000002e}.side-rail{background:var(--accent-deep);color:#f3fbf9;flex-direction:column;min-height:100dvh;padding:26px 16px 18px;display:flex}.brand-lockup{align-items:center;gap:10px;padding:0 8px;font-size:20px;font-weight:700;display:flex}.brand-mark{color:#123c49;background:#72c3b9;border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.brand-mark svg{width:22px;height:22px}.demo-label{color:#b9d7d2;padding:18px 8px 24px;font-size:12px}.side-nav{gap:5px;display:grid}.nav-item{color:#d5e8e4;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:12px;padding:11px 12px;font-size:14px;transition:background .18s,color .18s,transform .18s;display:flex}.nav-item svg{width:19px;height:19px}.nav-item:hover{color:#fff;background:#ffffff1a}.nav-item:active{transform:translateY(1px)}.nav-item.is-active{color:#123c49;background:#f3fbf9;font-weight:700}.rail-note{color:#c9e5e0;border-top:1px solid #dcf2ed38;gap:9px;margin-top:auto;padding:14px 10px 6px;display:flex}.rail-note svg{flex:none;width:18px;margin-top:3px}.rail-note p{margin:0;font-size:12px;line-height:1.65}.workspace{min-width:0;padding:0 34px 42px}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:18px;min-height:96px;display:flex}.family-title h1{letter-spacing:0;margin:3px 0;font-size:18px}.family-title p{color:var(--muted);margin:0;font-size:13px}.kicker{color:var(--accent);letter-spacing:0;font-size:12px;font-weight:700;display:block}.top-actions{align-items:center;gap:8px;display:flex}.content-view{max-width:1400px;margin:0 auto;padding-top:30px}.content-view.narrow-view{max-width:980px}.view-intro{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px;display:flex}.view-intro h2{letter-spacing:0;margin:5px 0 8px;font-size:28px}.view-intro p{color:var(--muted);max-width:620px;margin:0;line-height:1.6}.view-intro button{flex:none}.status-strip{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:22px;display:grid;overflow:hidden}.metric{border-right:1px solid var(--line);align-content:center;gap:3px;min-height:106px;padding:18px 24px;display:grid;position:relative}.metric:last-child{border-right:0}.metric>span{color:var(--muted);font-size:13px}.metric strong{font-size:24px}.metric small{color:var(--muted);font-size:12px}.metric-state{border-radius:50%;width:9px;height:9px;position:absolute;top:20px;right:22px}.metric-state.success,.sensor-dot.success{background:#2a876e}.metric-state.warning,.sensor-dot.warning{background:#c88616}.metric-state.danger,.sensor-dot.danger{background:#c65348}.overview-grid,.service-grid{grid-template-columns:minmax(0,1.3fr) minmax(360px,.9fr);align-items:start;gap:22px;display:grid}.panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.panel-head{justify-content:space-between;align-items:flex-start;gap:12px;padding:22px 24px 0;display:flex}.panel-head h3{margin:0 0 5px;font-size:16px}.panel-head p{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.home-panel{overflow:hidden}.home-layout{background:var(--surface-subtle);border:1px solid var(--line);border-radius:6px;grid-template-rows:1fr 1fr;grid-template-columns:1.5fr .75fr 1fr;gap:8px;min-height:310px;margin:22px 24px 16px;padding:8px;display:grid}.room{border:1px solid var(--line);background:var(--surface);min-height:104px;color:var(--text);text-align:left;cursor:pointer;border-radius:4px;padding:14px;transition:border-color .18s,box-shadow .18s,transform .18s;position:relative}.room span{font-size:14px;font-weight:700}.room:hover{border-color:var(--accent);transform:translateY(-1px)}.room.selected{border:2px solid var(--accent);box-shadow:inset 0 0 0 2px #22747714}.room-living{grid-row:1/span 2}.room-bed{grid-column:2/span 2}.room-bath{grid-column:2}.room-entry{grid-column:3}.sensor-dot{border-radius:50%;width:10px;height:10px;position:absolute;bottom:14px;right:14px;box-shadow:0 0 0 4px #2a876e1f}.sensor-dot.warning{box-shadow:0 0 0 4px #c8861621}.sensor-dot.danger{box-shadow:0 0 0 4px #c6534821}.sensor-inspector{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.sensor-inspector strong{margin:2px 0;display:block}.sensor-inspector p{color:var(--muted);margin:0;font-size:13px}.layout-reference{color:var(--muted);align-items:center;gap:10px;padding:0 24px 20px;font-size:12px;display:flex}.layout-reference img{object-fit:cover;object-position:left top;border:1px solid var(--line);border-radius:4px;width:90px;height:50px}.event-panel{padding-bottom:22px}.event-summary{color:#5d491a;background:#fff8e8;border-left:3px solid #c88616;gap:12px;margin:18px 24px;padding:15px;display:flex}.app-shell[data-theme=dark] 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var(--line)}.metric:last-child{border-bottom:0}.home-layout{min-height:260px;margin:18px 16px 14px}.panel-head{padding:18px 16px 0}.sensor-inspector{padding:14px 16px}.layout-reference{padding:0 16px 16px}.event-summary,.event-steps{margin-left:16px;margin-right:16px;padding-left:0;padding-right:0}.event-summary{padding:14px}.event-panel>button{margin-left:16px}.permission-row{grid-template-columns:38px 1fr;padding:16px}.permission-row .fui-Switch{grid-column:2}.ticket-detail{grid-template-columns:1fr;gap:4px}.ticket-detail strong{margin-bottom:8px}.action-band{flex-direction:column;align-items:flex-start}}