3D风格化男性头像肖像

A 3D stylized male avatar portrait, confident smiling man with short spiky dark hair, full beard, and mustache, wearing round black glasses, hand on chin thinking pose, modern black jacket with high collar, cinematic lighting, vibrant yellow gradient background, soft shadows, Pixar-style character, smooth 3D render, ultra clean, high detail, glossy skin shading, professional character design, centered composition, depth of field, octane render, 4k.