:root{--bg:#f5f6f8;--surface:#fff;--border:#d9dde5;--text:#1f2328;--text-secondary:#6b7280;--text-dim:#9ca3af;--accent:#2457c5;--success:#1a7f37;--danger:#cf222e;--radius:6px;--font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:14px;line-height:1.6}.shell{display:flex;min-height:100vh}.sidebar{width:216px;flex-shrink:0;border-right:1px solid var(--border);background:#202a36;padding:18px 10px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.brand{gap:10px;padding:0 10px 20px;border-bottom:1px solid 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var(--accent)}.chip{background:#f8fafc}.chip-risk-high{background:#fff1f2}.chip-risk-medium{background:#fff7ed}.chip-risk-low,.chip-status-succeeded{background:#f0fdf4}.chip-status-failed,.chip-status-rejected{background:#fff1f2}.chip-status-approval{background:#fff7ed}.autopilot-badge{box-shadow:none}.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:16px;gap:16px;margin-bottom:16px}.kpi-label{font-size:13px;color:var(--text-secondary);margin-bottom:8px}.kpi-value{font-size:28px;font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:-.5px}.kpi-unit{font-size:13px;font-weight:400;margin-left:4px}.kpi-hint,.kpi-unit{color:var(--text-dim)}.kpi-hint{margin-top:8px;font-size:12px}.row{display:grid;grid-template-columns:2fr 1fr;grid-gap:16px;gap:16px}.card-title{font-size:14px;font-weight:600;margin-bottom:10px}.placeholder-text{margin:6px 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