:root{color-scheme:light;--bg:#eef2f5;--panel:#ffffff;--line:#d8e0e8;--text:#1d2733;--muted:#64748b;--primary:#176b87;--primary-soft:#e4f2f5;--ok:#247a4d;--ok-soft:#e8f4ed;--warn:#a15c00;--warn-soft:#fff3dc;--danger:#b42318;--danger-soft:#ffe8e5;--sidebar:#15202b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{background:var(--sidebar);color:#f8fafc;padding:20px 16px}.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;line-height:1.3;margin-bottom:24px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:8px;background:#f8fafc;color:var(--sidebar);font-size:13px;letter-spacing:0}.nav{display:grid;grid-gap:8px;gap:8px}.nav-item{display:grid;grid-gap:3px;gap:3px;width:100%;min-height:56px;padding:9px 12px;border:1px solid transparent;border-radius:8px;background:transparent;color:#d6dee8;text-align:left}.nav-item small{color:#95a3b6;font-size:12px}.nav-item.active,.nav-item:hover{background:#223142;color:#ffffff;border-color:#34465a}.nav-item.active small{color:#cbd5e1}.main{min-width:0;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.eyebrow{margin-bottom:5px;color:var(--primary);font-size:12px;font-weight:700;text-transform:uppercase}.page-title{margin:0 0 4px;font-size:26px;letter-spacing:0}.muted{color:var(--muted)}.top-actions{display:flex;gap:10px;flex-wrap:wrap}.ghost-button,.primary-button{min-height:38px;border-radius:7px;padding:0 14px;border:1px solid var(--primary)}.primary-button{background:var(--primary);color:#ffffff}.ghost-button{background:#ffffff;color:var(--primary)}.grid{display:grid;grid-gap:14px;gap:14px}.metrics{grid-template-columns:repeat(6,minmax(120px,1fr));margin-bottom:18px}.metric-card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px}.metric-card{padding:15px}.metric-label{color:var(--muted);font-size:13px}.metric-value{font-size:28px;font-weight:800;margin-top:8px}.primary{color:var(--primary)}.ok{color:var(--ok)}.warn{color:var(--warn)}.danger{color:var(--danger)}.content-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(320px,.6fr);grid-gap:16px;gap:16px}.panel{padding:16px}.panel.wide{grid-column:span 2}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}.section-head h2{margin:0;font-size:18px}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;min-width:760px}.table td,.table th{border-bottom:1px solid var(--line);padding:12px;text-align:left;white-space:nowrap}.table th{color:var(--muted);font-size:13px;font-weight:700;background:#fbfcfd}.pill{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700}.pill.primary{background:var(--primary-soft)}.pill.ok{background:var(--ok-soft)}.pill.warn{background:var(--warn-soft)}.flow{display:grid;grid-gap:9px;gap:9px}.flow-step{display:flex;align-items:center;gap:10px;min-height:38px;padding:8px 10px;border:1px solid var(--line);border-radius:7px;background:#fbfcfd}.flow-step span{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:800}.scan-box{display:grid;grid-template-columns:120px minmax(220px,1fr) auto;align-items:center;grid-gap:12px;gap:12px;margin-bottom:16px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fbfcfd}.scan-box label{color:var(--muted);font-weight:700}.scan-box input{width:100%;min-height:40px;border:1px solid var(--line);border-radius:7px;padding:0 12px;background:#ffffff;color:var(--text)}.device-card{display:grid;grid-gap:8px;gap:8px;padding:14px;margin-bottom:16px;border:1px solid var(--line);border-radius:8px;background:#fbfcfd}.timeline{display:grid;grid-gap:12px;gap:12px}.timeline-item{display:grid;grid-template-columns:56px 1fr;grid-gap:12px;gap:12px}.timeline-item time{color:var(--primary);font-weight:800}.timeline-item p{margin:4px 0 0;color:var(--muted)}@media (max-width:1100px){.metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.content-grid,.panel.wide{grid-template-columns:1fr;grid-column:auto}}@media (max-width:760px){.shell{grid-template-columns:1fr}.sidebar{position:static}.main{padding:16px}.section-head,.topbar{align-items:flex-start;flex-direction:column}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.scan-box{grid-template-columns:1fr}}