*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}::-webkit-scrollbar-track{background:#f1f1f1}.ant-layout{min-height:100vh}.chart-container{width:100%;min-height:300px}.page-header{margin-bottom:24px}.page-header h2{color:#1a1a1a;margin-bottom:8px;font-size:20px;font-weight:600}.page-header p{color:#666;font-size:14px}.kpi-card{text-align:center}.kpi-card .kpi-value{color:#1890ff;font-size:32px;font-weight:700;line-height:1.2}.kpi-card .kpi-label{color:#666;margin-top:4px;font-size:14px}.kpi-card .kpi-change{margin-top:4px;font-size:12px}.kpi-change.up{color:#52c41a}.kpi-change.down,.warning-red{color:#ff4d4f}.warning-yellow{color:#faad14}.warning-green{color:#52c41a}