8K photorealistic full-body portrait: butterfly fairy in luminous blue mist. Girl in icy blue lace gown with floral embroidery and 3D butterflies. Emerald gem at neckline. Hand touches butterfly. Soft white-to-pastel blue background, wavy brown hair, hydrangeas, butterflies. Mood: romantic, light, pure fantasy, Canon RF 85mm f/1.2, ISO 100, 1/125s, f/1.2 daylight, shallow depth