简约清新浅绿蓝色渐变方形图案背景

abstract art background, minimalist style, main color of light blue-green, gradient color scheme of blue-green and pale yellow, no specific characters or scenes, decorative elements of regularly arranged square color blocks forming a grid pattern, gradient background transitioning from light blue-green at the bottom left to pale yellow at the top right, overall visual effect of freshness and softness, conveying a sense of tranquility and comfort, intricate details