金融 · 保险经纪工作台

Build a single-page insurance brokerage workbench as one self-contained HTML file with inline CSS (no build step, no external requests). Layout: fixed 200px left sidebar with brand, five nav items (Policies, Renewals, Claims, Commission, Clients) and a user chip; top bar with page title, search input and avatar; main area with a 4-card KPI row (Active policies 1,286, Renewals in 30 days 87, Claims in review 14, Commission pending ¥86.4k), a renewal calendar list with premium and days-left badges, a claims pipeline strip (Filed 9 / Reviewing 14 / Paid 32), and a commission table per insurer. Light neutral surface, 1px borders, rounded-2xl cards, system font, sky blue #0369a1 as the only accent. All data hardcoded mock data. Width 1208px.