简约渐变风冬季雪景蓝色系雪地雪花飘落背景

winter snow scene, light blue and white color scheme, cold tones, minimalist background, gradient color, brighter at the top, darker at the bottom, snowflakes falling from top to bottom, snow on the ground, small snowflake patterns and light spots, serene and cold atmosphere, fresh and pure visual effect, conveying tranquility, peace, and the beauty of winter cold，比例 「4:3」