Nano Banana Pro 城市街头肖像与涂鸦提示

A full body, three-quarter view of the young woman from the reference image, maintaining her exact facial features and identity, with her dark hair styled in a modern messy cut with soft bangs. She is walking gracefully with a serene and happy smile, wearing a light, flowing summer sundress. The scene is set in an urban environment where the background consists of weathered brick walls covered in sophisticated Banksy-style stencil graffiti and monochrome urban art. Warm, natural sunlight filters through the alleyway, casting soft, peaceful shadows. The overall aesthetic combines a highly detailed photographic portrait with the gritty, high-contrast texture of street art, capturing a moment of quiet joy.