小女孩儿童学生红背景敬礼人像照片

masterpiece, best quality, ultra-detailed, 8K, photorealistic portrait, sweet expression, wearing beige short-sleeved shirt + red scarf tie + olive green overall dress + matching olive green beret + small olive green crossbody bag, green drop earrings, one hand touching the beret, solid bright red background, white cursive "Happy Day" text decoration, small sparkling star, soft studio lighting, natural shadow