Cartoon style, 3D effect, red tones, soft gloss, a red heart embedded in a red recessed background, with delicate light and shadow transitions on the background surface. The composition is frontal, with the red heart centered, and the edges of the background have slight curvature, presenting a rounded and full visual effect. Low saturation colors, with light shining from the upper left, the surface of the red heart has highlight reflections, and there are shadow layers in the recessed parts of the background. The image is simple, suitable for mobile wallpaper, with a warm and romantic atmosphere.
