螺旋粒子涡旋背景，循环宇宙运动

t deep space animated background featuring thousands of small luminous particles forming a rotating spiral vortex. The glowing dots swirl smoothly around the center, creating a hypnotic cosmic motion that loops seamlessly. Subtle gradients of black, charcoal, and soft silver enhance the depth of the particle field while the spiral structure evokes the look of a galaxy or energy whirlpool.

光厂(VJshi)视频提供螺旋粒子涡旋背景，循环宇宙运动视频素材下载，适用于活力，数字化显示，神秘，深的，光亮等主题的内容创作。

作者署名：Mr Saryanto/Getty Images/华夏视觉