餐饮门店工作台

Build a single-page restaurant operations 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 (Tables, Orders, Revenue, Queue, Members) and a user chip; top bar with page title, search input and avatar; main area with a 4-card KPI row (Revenue today ¥18,640 76% of target, Tables 24/30, Avg table time 52min, Waitlist 6), a table map grid (24 cells, colour-coded free / dining / reserved / cleaning), an order flow strip with three station counters, and a waitlist with quoted wait times. Light neutral surface, 1px borders, rounded-2xl cards, system font, red #dc2626 as the only accent. All data hardcoded mock data. Width 1208px.