Flash Sale Countdown UI

Create a 4:5 vertical ecommerce promotional creative titled "Flash Sale Countdown UI". Product and scene: 红色限时秒杀界面风格，中央商品为无品牌电动牙刷，顶部倒计时卡片. The image must include visible Simplified Chinese promotional copy. Main headline: "限时秒杀". Promo badge: "手慢无". Three selling-point labels: "整点开抢", "库存有限", "快速下单". It should look like a real ecommerce campaign visual, product card, detail-page module, livestream product card, or marketplace activity creative for the "平台货架与活动页" scene. Layout requirements: clear product hero, readable copy zones, clean selling-point cards, strong promotional atmosphere, controlled spacing, premium commercial design. Avoid real brand logos, real marketplace logos, watermark, QR code, garbled text, fake English, copyrighted characters, irrelevant text blocks, and distorted product proportions.

生成一张 ４：５ 竖版电商促销卖点图，主题为「限时秒杀倒计时图」。商品与场景：红色限时秒杀界面风格，中央商品为无品牌电动牙刷，顶部倒计时卡片。画面必须包含可见中文文案，主标题写「限时秒杀」，促销角标写「手慢无」，三个卖点短句分别写「整点开抢」「库存有限」「快速下单」。用途是「平台货架与活动页」场景素材，风格像真实电商活动页、商品卡、详情页或直播间商品图。版式要求：商品主视觉清楚，文案分区明确，卖点卡片可读，留白干净，促销氛围明显但不要乱。限制：不要出现真实品牌、真实平台标志、水印、二维码、乱码、伪英文、侵权角色或无关大段文字。