blue mosaic pattern of small rectangular tiles forming a gradient from dark navy at the top to bright cyan at the bottom, with a jagged horizontal transition across the middle. - 螢幕保護 幅插畫檔、美工圖案、卡通及圖標
black halftone dot pattern fading upward into a mostly white background with a smooth gradient and increasing density toward the bottom. - 螢幕保護 幅插畫檔、美工圖案、卡通及圖標
dense black-and-white noise fills the frame, creating a grainy speckled texture with high contrast and no distinct objects or scene elements. - 螢幕保護 幅插畫檔、美工圖案、卡通及圖標
soft focus abstract background with x-shaped light beams and luminous concentric circles - 螢幕保護 個照片及圖片檔
close-up of abstract monochrome bubbles and oil drops in water, forming an artistic background - 螢幕保護 個照片及圖片檔
black-and-white vertical stripe pattern with a dense grid of narrow rectangular bars and varying spacing, creating a stark geometric texture across the image. - 螢幕保護 幅插畫檔、美工圖案、卡通及圖標
