皮克斯风格3D虚拟化身，温暖治愈的微笑头像

Create a high-quality 3D virtual avatar based on the uploaded image, with a cheerful and expressive facial expression. The character should have a warm smile, bright eyes, and soft facial features, giving a friendly and approachable feeling. Adopt the Pixar style aesthetic, featuring smooth textures, subtle skin shading, and slightly exaggerated proportions to present a cute animated effect. The lighting should be soft and uniform, creating a clean studio effect, with soft shadows adding depth.