"Generate a captivating and imaginative portrait of a 14-year-old girl enthusiastically dressed as a firefighter. The scene should exude creativity and showcase the young girl's vibrant personality as she embraces the role, with a focus on the details of her firefighter attire and a background that complements the theme. Ensure the image is in portrait mode and employs the Stable Diffusion technique to produce a visually stunning and realistic representation."