高精度3D写实渲染，正特写构图，主体为中式紫色绸缎抽绳香囊，袋身采用带有柔和珠光光泽的紫红色丝绸材质，表面绣有立体金色梅花枝纹样，枝桠上分布着盛放的梅花与待放的花苞，收口处用红色编织扭绳捆扎，抽绳顶端打结，侧边垂出的绳段末端串有红色布质圆珠，下方连接着顺滑垂坠的红色丝线流苏，背景为均匀的深灰色哑光平面，柔和侧光打亮袋身，凸显丝绸细腻肌理与刺绣的立体质感，画面干净无多余元素，1:1正方形画幅

High-precision 3D realistic rendering, close-up front view, the main subject is a Chinese purple satin drawstring sachet. The bag body is made of purple-red silk with a soft pearlescent luster, embroidered with a three-dimensional golden plum blossom branch pattern, with blooming flowers and unopened buds distributed on the branches. The opening is tied with a red woven twisted rope, the top of the drawstring is knotted, a red cloth bead is strung on the rope segment hanging from the side, and a smooth and drooping red silk tassel is connected below. The background is a uniform dark gray matte plane, soft side light illuminates the bag body, highlighting the delicate texture of the silk and the three-dimensional texture of the embroidery. The picture is clean with no extra elements, 1:1 square aspect ratio