机械键盘卖点图

生成一张 ４：５ 竖版电商促销卖点图，主题为「机械键盘卖点图」。商品与场景：无品牌机械键盘局部特写，键帽层次和桌面氛围灯，深色背景。画面必须包含可见中文文案，主标题写「敲击有感」，促销角标写「开售特惠」，三个卖点短句分别写「轴体顺滑」「灯效可调」「桌搭好看」。用途是「数码家电」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。

Create a 4:5 vertical ecommerce promotional creative titled "Mechanical Keyboard Promo". Product and scene: 无品牌机械键盘局部特写，键帽层次和桌面氛围灯，深色背景. The image must include visible Simplified Chinese promotional copy. Main headline: "敲击有感". Promo badge: "开售特惠". Three selling-point labels: "轴体顺滑", "灯效可调", "桌搭好看". It should look like a real ecommerce campaign visual, product card, detail-page module, livestream product card, or marketplace activity creative for the "数码家电" 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.