A heartfelt, semi-realistic digital illustration of a young girl sitting cross-legged on the ground in a lush, verdant grassy field under a serene, golden-hour sky with hues of amber and soft pink, her head in her hands, eyes closed, with a gentle, melancholic expression and subtle tears glistening, reflecting quiet sorrow and love. Below the surface, a deeper, darker cutaway view reveals a beloved cat, curled up peacefully in rich, shadowy soil, surrounded by deep earth tones of dark umber and black, with thick roots weaving densely around it, symbolizing eternal rest. Next to the girl, the glowing, ethereal spirit of the same cat sits upright, its translucent form radiating a warm, golden light that shimmers like fireflies, lovingly rubbing its head against the girl's shoulder in a tender, comforting gesture, with soft, defined fur patterns glowing faintly. The scene is enveloped in a dreamy, nostalgic atmosphere, with delicate light rays filtering through scattered clouds, casting a gentle glow on the grass and the girl's serene face. The artwork features vibrant yet tender colors, with intricate textures in the grass blades, soil layers, and the cat's fur, emphasizing a profound emotional connection between the girl and the cat's spirit, evoking themes of love, loss, and enduring memory.