3D写实渲染，电影级道具展示，竖直立在深灰色哑光台面上的中式仿古青铜古剑，深灰纯色无缝背景，剑首与剑格为做旧黄铜古铜材质，剑格带有对称雕刻的传统青铜纹样，剑柄以黑色皮革绳线紧密螺旋缠绕，剑身覆盖青绿色自然铜锈，剑身中线与两侧刻有连续的中式卷云纹金色纹路，剑身狭长笔直收为尖锐剑尖，正面平视镜头，居中构图，全身完整展示，柔和侧方影棚柔光，金属表面呈现细腻锈迹与磨损质感，整体色调沉稳古雅，正方形1:1画幅。

3D realistic rendering, cinematic prop display, a vertical ancient Chinese bronze sword standing upright on a dark gray matte surface, solid dark gray seamless background, pommel and guard made of aged brass bronze with symmetric carved traditional bronze patterns, hilt tightly wrapped with spiral black leather cord, blade covered with natural turquoise green patina, continuous Chinese scroll cloud golden patterns engraved along the midline and both sides of the blade, long narrow straight blade tapering to a sharp tip, eye-level front shot, centered composition, full complete display, soft side studio lighting, metallic surface with delicate rust and wear texture, overall calm elegant antique tone, 1:1 square aspect ratio.