极简主义自然主义深邃夜空云层星空渐变背景

minimalist photo, deep blue and black color scheme, cold tones, white and light gray accents, night sky filled with twinkling stars, flowing clouds at the bottom, no decorative elements, no text, simple background design, stars above, clouds below, serene and mysterious visual effect, conveying the tranquility of night and the vastness of the universe