Create whimsical, storybook-style illustrations with the Gempix2 and Nano Banana 2 models, featuring soft ink outlines and gentle watercolor washes. This heartfelt and nostalgic aesthetic is perfect for children's books, greeting cards, and warm editorial projects. For best results, use prompts emphasizing clean lines, warm colors, and comfortable negative space.
请生成一张【主题/主体】的插画，整体是童书插画的 whimsical 童趣风格：以松散的黑色墨线速写勾勒轮廓，细节不过度写实；叠加轻柔的水彩晕染与点染，颜色干净、温暖、略带纸张纹理。画面气质适合明信片/儿童绘本/圣诞广告活动/情绪化社论插画，氛围真挚、治愈、有一点点怀旧。构图简洁，留白舒适，主角清晰突出。不要照片质感，不要 3D 渲染感，不要过度锐利的细节。不要水印和 logo。
