body{margin:0;background:#f5f6f8;color:#1a2a3a;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif}.app-shell{min-height:100vh}.logo{height:56px;display:flex;align-items:center;padding:0 20px;font-weight:700;color:#1a2a3a;border-bottom:1px solid #eef0f3}.header{background:#fff;color:#1a2a3a;font-weight:600;border-bottom:1px solid #eef0f3}.content{padding:24px}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.metric{margin-top:8px;font-size:28px;font-weight:700;color:#1a2a3a}@media (max-width: 900px){.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}