Children's book illustration of a red fox character, standing on a moss-covered rock in a snowy forest clearing, warm autumn-to-winter color palette with orange fur, white chest and tail tip, black paws and legs, friendly expression with soft brown eyes, storybook watercolor style with visible linework, whimsical spiral-patterned trees in background, soft golden sunset lighting, warm cozy atmosphere, front three-quarter view, clean detailed character design suitable for character reference sheet