Subject: winding clear river, shimmering river surface, floating small wooden boats, colorful hydrangea clusters. Scene: quiet and beautiful summer natural flower river hidden land, no text. Style: healing dreamy digital illustration, fresh romantic poetic painting style. Color palette: pink, blue, white and yellow blooming flower color scheme, soft green and blue gradient background. Lighting: misty flowing soft light, diffuse halo with light and ethereal dreamy atmosphere. Composition: river runs through the画面, flower scenery gathers on both banks, primary and secondary elements blend with distant artistic conception. Usage: summer-themed poster, beautiful solar term promotion, healing literary visual design