Cute girl cartoon character running with a happy expression, wearing sportswear and sports shoes on her feet, smiling face, big eyes, cute ponytail hair style, simple black background, full body shot, in the style of Disney Pixar animation, 2D flat illustration, bright colors, high saturation, soft lighting, full of vitality. Black background, cute cartoon design with simple lines, high definition resolution, in the style of a Disney Pixar animation.