电商主视觉 Banner：预留文案位

负面提示词

cluttered layout, unreadable text, misspelled words, low contrast, muddy colours, stock-photo look, watermark, text, buttons, logos, product in the center, cluttered left side

也适用于

需要准备

• 可选
  产品照片

  Attach a product photo to keep the exact shape, label and colour; without one the model invents a plausible product.

替换这些变量

推荐尺寸

• Website hero banner1920 × 720 · 21:9Generate at 21:9 and trim to 1920×720; keep the product in the safe zone.
• Web hero (tall)1920 × 1080 · 16:9
• Facebook / Meta ad1200 × 628 · 16:9Generate at 16:9 and crop 47px from the height for 1.91:1.