Generate a high-fidelity mobile e-commerce app homepage screenshot inspired by mainstream Chinese e-commerce apps in 2026. The interface should look fully realistic, with complete mobile-app UI logic and strong commercial design polish.

Layout requirements:
- status bar with time 9:41, 5G signal, and battery icon
- search area with a city selector on the left, a rounded search box in the center, and message plus scan icons on the right
- horizontal category tabs below the search area
- top promotional carousel banner
- 10-icon function grid
- flash-sale module with countdown and three product cards
- "guess you like" two-column product waterfall with at least 6 product cards
- bottom tab bar with five tabs

Use these exact Chinese labels where appropriate:
- city: "杭州"
- search placeholder: "搜索耳机、咖啡机、运动鞋"
- category tabs: "推荐、数码、家电、服饰、美妆、食品、运动、家居"
- top banner: "618 预售开启" and "每满300减50"
- function grid: "超市、百亿补贴、秒杀、直播、充值中心、到家、领券、品牌馆、全球购、排行榜"
- flash sale title: "限时秒杀"
- recommendation section: "猜你喜欢"
- bottom tabs: "首页、分类、购物车、消息、我的"

All Chinese text must be clear and readable with realistic fonts. Spacing, icon style, white space, shadows, rounded corners, dividers, and tag treatments should closely resemble a real app screenshot rather than concept art.

来源许可/权利说明：聚合仓库上游许可（请按各条目来源遵循）