水彩绘本风格儿童插画

Soft poetic children's book illustration with watercolor and gouache textures. Clear gentle daylight. Muted pastel colors with soft blue and warm tones. Visible brush strokes and paper grain. Minimalist composition with large negative space. Hand-painted picture book style, not cartoon, not anime, not 3D. 【Two children in calm conversation, soft connection forming】.