{"type":"Korean skincare advertising poster","format":"single vertical social media ad, 4:5 aspect ratio","style":"premium photorealistic summer beauty commercial, bright airy blue-and-white palette, clean Korean cosmetics layout, glossy water reflections, soft sunlight, shallow depth of field","scene":{"background":"sunlit outdoor pool or seaside spa setting with sparkling blue water bokeh, pale sky, soft green tropical leaves entering from the upper-right and lower-right corners","model":"young woman with wet dark hair and bare shoulders in water, positioned on the left half, hand touching c