Intricately detailed, hyper realistic portrait of a woman in a Venetian carnival setting, adorned with a beautifully ornate, fox-inspired mask. Her long, golden blond hair cascades elegantly, complementing the rich textures and vivid colors of her attire. The scene is captured with oil painting techniques, emphasizing a 4k ultra-detailed rendering that brings the vibrant festivity to life. The subtle play of light and shadow adds depth, enhancing the opulence and mystique of the masquerade atmosphere.