奥利奥饼干浸入牛奶，超现实特写

ultrarealistic close-up photo of an Oreo cookie being dunked into cold milk, splash and droplets frozen mid-motion, milk swirl and ripple details visible, iconic Oreo black and white cookie texture, vibrant blue and milk-white background, dynamic promotional energy --ar 3:4。工作流提示：先出整体构图，再用 image edit 精修光线和材质。