Subject: 520-themed romantic scene, including plush-textured "520" numerals, a transparent pink gift box, pink envelopes, roses, and plush hearts. Scene: Light pink background paired with a pink plush carpet, creating a dreamy and soft visual space. Style: 3D rendering style, with delicate materials, full of girlish hearts and festival ritual sense. Color tone: Dominated by different layers of pink, paired with a light pink background, overall soft and sweet. Lighting and shadow: Soft light treatment, slight highlights on the surface of objects, highlighting the texture of plush and transparent materials. Composition: Center composition, with the numerals "520" in the center, the gift box and envelopes scattered in a staggered manner, clear visual focus. Purpose: Suitable for 520 Valentine's Day promotional posters, e-commerce promotion main images, social media festival illustrations, or couple gift advertising materials.