Design a WeChat mini program UI page for a smart home assistant chat interface, named "问管家". The assistant helps users solve issues with household appliances and furniture. Layout: 1. Top greeting section with avatar and welcome text: "Hi,有什么想问智能管家的吗?" 2. Main conversation area with alternating chat bubbles (user on right, AI assistant on left) 3. Each AI response supports: - Multi-step text answers - Embedded icons or small illustrations - Follow-up suggestion buttons ("预约上门", "购买耗材", "猜你还想问") 4. Bottom input bar includes: - Text input - Voice button - Submit icon Style: - Clean, modern chat layout - White/light background with soft shadow cards - Warm tones for assistant replies - Rounded corners, bubble UI - Consistent with previous page color palette Add quick-access history above input area. - Initial Deployment