Bureau de Poste Miniature dans un Champignon Lumineux

[Children's picture book style] blended with [miniature model photography] and [fantasy plant building design]. A [miniature post office] built inside a giant blue-purple glowing mushroom. The translucent mushroom cap resembles stained glass, radiating warm golden light from within. A small wooden door stands half-open, with tiny envelopes, miniature parcels, and damp mailbags piled at the entrance. A rain-slicked pebble path reflects the cool blue mushroom glow. The scene is surrounded by low moss, dewdrops, tiny wildflowers, and soft drifting mist against a blurred forest background. Low-angle close-up, centered composition, shallow depth of field. Realistic miniature model textures, soft hand-drawn edges, wet moss details, and warm gold paired with blue-purple complementary lighting. Fairytale, tranquil, warm, and subtly mysterious atmosphere.