巨大红心上的甜蜜浪漫情侣

制作一张高质量的 3D 渲染图，描绘一对可爱幸福的情侣坐在一颗巨大的亮红色爱心上。人物穿着时尚休闲的服装，男士手持玫瑰，女士手持红色礼盒。柔和的摄影棚灯光，柔和的粉色背景，等距视角，8k 分辨率。

Make a High-quality 3D render of a cute happy Couple sitting on a giant glossy red heart. The character is wearing stylish casual clothes, male holds rose in one hand while female holding a red gift box. Soft studio lighting, pastel pink background, isometric view with 8k resolution.