头像壁纸：星云极光壁纸

Deep space wallpaper of a swirling nebula wall, glowing clouds of violet, teal and rose gas illuminated from within, thousands of scattered stars with a few large sparkling ones, a faint river of the milky way across the diagonal, subtle lens flare and light diffraction spikes on the brightest stars, rich cosmic gradient from near-black indigo to luminous color bands, vertical composition for phone lock screen, cinematic astronomy visualization, ultra rich in detail, deep and immersive palette, high resolution, 8k