:root{--bg:hsl(220 14% 96%);--card:#fff;--fg:hsl(220 25% 12%);--muted:hsl(220 10% 44%);--primary:hsl(220 72% 48%);--primary-dark:hsl(220 72% 41%);--accent:hsl(220 20% 93%);--border:hsl(220 12% 86%);--success:hsl(150 60% 35%);--warn:hsl(35 85% 43%);--danger:hsl(5 70% 48%);--radius:3px;--font:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}html{font-family:var(--font);color:var(--fg);background:var(--bg)}body{margin:0;min-height:100vh;font-size:14px;line-height:1.5}button,input,textarea,select{font:inherit}button{cursor:pointer}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(390px,100%);background:var(--card);border:1px solid var(--border);padding:28px;display:grid;gap:16px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--primary);color:white;font-weight:800;font-size:20px;border-radius:2px}.brand-mark.small{width:32px;height:32px;font-size:16px}.eyebrow{margin:0 0 3px;color:var(--primary);font-size:11px;letter-spacing:.12em;font-weight:750}.login-card h1,.page-heading h2{margin:0;font-size:23px;letter-spacing:-.02em}.muted,.page-heading p{color:var(--muted);margin:4px 0 0}.form-error{color:var(--danger);min-height:20px;margin:0}.app-shell{min-height:100vh;padding-bottom:78px}.topbar{height:56px;position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1480px)/2))}.brand{display:flex;align-items:center;gap:10px}.brand div{display:flex;flex-direction:column}.brand span:last-child{font-size:11px;color:var(--muted)}.top-actions{display:flex;align-items:center;gap:8px}.state-text{font-size:12px;color:var(--muted)}.tabs{position:sticky;top:56px;z-index:19;background:var(--bg);border-bottom:1px solid var(--border);padding:0 max(18px,calc((100vw - 1480px)/2));display:flex;overflow-x:auto}.tabs button{height:45px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);display:flex;align-items:center;gap:7px;padding:0 14px;white-space:nowrap}.tabs button:hover{background:var(--accent);color:var(--fg)}.tabs button.active{color:var(--primary);border-color:var(--primary);font-weight:700}.tabs svg,.top-actions svg,button svg{width:16px;height:16px}.content{max-width:1480px;margin:auto;padding:20px 18px}.panel-page{display:none}.panel-page.active{display:block}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:16px}.page-heading h2{font-size:21px}.page-heading>div>p:last-child{font-size:13px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card h3{font-size:14px;margin:0 0 14px}.card-head{display:flex;justify-content:space-between;align-items:center}.grid{display:grid;gap:12px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.top-gap{margin-top:12px}.status-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-bottom:12px}.status-card{background:var(--card);border:1px solid var(--border);padding:13px}.status-head{display:flex;align-items:center;justify-content:space-between}.status-name{font-weight:700}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}.status-dot.online{background:var(--success)}.status-dot.degraded{background:var(--warn)}.status-dot.offline{background:var(--danger)}.status-meta{color:var(--muted);font-size:12px;margin-top:6px}.badge{font-size:11px;color:var(--primary);background:hsl(220 70% 95%);border:1px solid hsl(220 55% 84%);padding:2px 6px}.definition-list{display:grid;grid-template-columns:130px 1fr;gap:8px;margin:0}.definition-list dt{color:var(--muted)}.definition-list dd{margin:0;font-weight:650;overflow-wrap:anywhere}.check-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.check-list li{display:flex;gap:8px}.check-list svg{width:17px;color:var(--success);flex:0 0 auto}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid h3{grid-column:1/-1;margin-bottom:0}.span-2{grid-column:1/-1}label{display:grid;gap:6px;font-weight:650;font-size:13px}input,textarea,select{width:100%;border:1px solid var(--border);background:white;color:var(--fg);border-radius:2px;padding:9px 10px;outline:none;transition:border-color .15s,box-shadow .15s}textarea{resize:vertical;min-height:72px}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 2px hsl(220 72% 50%/.14)}input:disabled{background:var(--accent);color:var(--muted)}.hint{font-size:11px;color:var(--muted);font-weight:400}.range-label{grid-column:1/-1;grid-template-columns:1fr auto;align-items:center}.range-label input{grid-column:1/-1;padding:0;accent-color:var(--primary)}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--border);padding:10px}.switch-row span{display:grid}.switch-row small{font-weight:400;color:var(--muted)}input[type=checkbox]{appearance:none;width:36px;height:20px;border-radius:12px;background:hsl(220 10% 78%);padding:0;position:relative;flex:0 0 auto;border:0}input[type=checkbox]:before{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;left:2px;top:2px;transition:transform .15s}input[type=checkbox]:checked{background:var(--primary)}input[type=checkbox]:checked:before{transform:translateX(16px)}.locked-setting{border:1px solid hsl(150 35% 77%);background:hsl(150 50% 96%);display:flex;align-items:center;gap:10px;padding:9px 11px}.locked-setting svg{width:18px;color:var(--success)}.locked-setting div{display:grid}.locked-setting span{font-size:11px;color:hsl(150 40% 28%)}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.feature-card{background:var(--card);border:1px solid var(--border);padding:13px;display:flex;align-items:center;justify-content:space-between;gap:14px}.feature-card div{display:grid;gap:2px}.feature-card strong{font-size:13px}.feature-card small{color:var(--muted)}.table-card{padding:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:780px}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:12px}th{color:var(--muted);background:hsl(220 16% 97%);font-weight:700}tbody tr:last-child td{border-bottom:0}.primary,.secondary,.icon-button{border:1px solid var(--border);border-radius:2px;min-height:36px;padding:7px 12px;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:700}.primary{background:var(--primary);border-color:var(--primary);color:white}.primary:hover{background:var(--primary-dark)}.secondary,.icon-button{background:white;color:var(--fg)}.secondary:hover,.icon-button:hover{background:var(--accent)}.icon-button{width:36px;padding:0}.full{width:100%}button:disabled{opacity:.48;cursor:not-allowed}.savebar{position:fixed;bottom:0;left:0;right:0;z-index:20;border-top:1px solid var(--border);background:hsl(0 0% 100%/.96);min-height:64px;padding:10px max(18px,calc((100vw - 1480px)/2));display:flex;align-items:center;justify-content:flex-end;gap:9px}.savebar>div{margin-right:auto;display:grid}.savebar span{font-size:11px;color:var(--muted)}.toast{position:fixed;right:18px;top:118px;z-index:50;background:var(--fg);color:white;padding:10px 14px;border-radius:2px;opacity:0;pointer-events:none;transform:translateY(-5px);transition:.15s;max-width:360px}.toast.show{opacity:1;transform:none}.toast.error{background:var(--danger)}@media(max-width:980px){.status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.topbar{padding:0 12px}.brand span:last-child,.state-text{display:none}.tabs{padding:0}.tabs button{padding:0 12px}.content{padding:14px 10px}.grid.two,.form-grid,.feature-grid,.status-grid{grid-template-columns:1fr}.span-2,.form-grid h3,.range-label{grid-column:auto}.page-heading{align-items:stretch;flex-direction:column}.page-heading button{width:100%}.savebar{padding:8px 10px;display:grid;grid-template-columns:1fr 1fr}.savebar>div{grid-column:1/-1}.savebar button{width:100%}.definition-list{grid-template-columns:100px 1fr}.login-card{padding:22px}}