双人肖像，带详细姿势和服装规格

```json { "scene_overview": { "subjects_count": 2, "environment": "室内现代起居空间，配有沙发、木地板、大窗户、中性色墙壁", "focus": "精确的身体姿势和服装摆放" }, "subjects": [ { "subject_id": "Subject_1", "pose_reference": "照片 1 调整为沙发姿势", "body_position": { "position": "坐在沙发上", "seat_contact": "骨盆居中于沙发垫上" }, "leg_position": { "stance": "双腿对称分开", "thighs": "大腿从臀部向外倾斜", "knees": "膝盖弯曲约 90 度", "feet": "双脚稳稳地踩在沙发前的地板上", "legs_crossed": false }, "torso": { "orientation": "躯干挺直，略微前倾", "spine": "脊柱挺直，保持受控的张力" }, "arms_and_hands": { "arms": "双臂垂于两腿之间", "hands": "双手靠近膝盖，并拢放置" }, "head_and_neck": { "head_position": "头部正直，略微向下倾斜", "neck": "颈部伸长且放松" }, "clothing_and_accessories": { "outfit": "合身的藏蓝色短袖连体衣，深 V 领口饰有白色边，紧贴躯干和臀部", "fabric": "有纹理的弹力针织面料", "legwear": "黑色透明连裤袜，白色袜子", "footwear": "精致的黄色系带高跟凉鞋", "accessories": { "headwear": "配套的黄色发带", "jewelry": "极简首饰" }, "fabric_behavior": "由于坐姿，面料在腰部、臀部和大腿处平滑拉伸" } }, { "subject_id": "Subject_2", "pose_reference": "照片 2 调整为地板姿势", "body_position": { "position": "坐在 Subject_1 脚下的地板上", "relative_location": "位于 Subject_1 双脚之间，更靠近前景" }, "leg_position": { "primary_leg": { "position": "向上抬起，呈强烈的对角线角度", "knee": "完全伸展", "hip_angle": "髋部强烈屈曲以抬起腿部" }, "secondary_leg": { "position": "弯曲并折叠在地板上", "knee_contact": "膝盖靠在地板上以作支撑" }, "legs_crossed": false }, "torso": { "orientation": "躯干略微向后倾斜", "spine": "自然放松的曲线" }, "arms_and_hands": { "supporting_arm": "一只手臂向后伸展，手掌放在地板上", "free_arm": "另一只手臂沿着大腿或地板放置" }, "head_and_neck": { "head": "" } } ] } ```