E-commerce Livestream UI Mockup

Prompt

{   "type": "mobile livestream interface mockup",   "broadcaster": {     "person": "{argument name=\"broadcaster name\" default=\"Elon Musk\"}",     "action": "smiling warmly, holding up a jar of {argument name=\"product name\" default=\"Lao Gan Ma chili crisp\"} to the camera",     "attire": "black t-shirt and black blazer"   },   "environment": {     "setting": "modern studio or office",     "background_left": {       "sign_text": "{argument name=\"promo sign text\" default=\"全网独家首发 老干妈风味 地球人都爱吃\"}",       "foreground_item": "paper shopping bag with '老干妈' branding"     },     "background_right": {       "shelf_items": [         "3 jars of Lao Gan Ma chili crisp",         "{argument name=\"background prop\" default=\"SpaceX Falcon 9 rocket model\"}"       ]     }   },   "ui_overlay": {     "top_left": {       "profile_name": "Elon Musk",       "subtitle": "1.2亿本场点赞",       "button": "关注",       "ranking_tag": "🔥 带货总榜第1名"     },     "top_right": {       "viewer_count": "10万+",       "link": "更多直播 >",       "banner": "抖音618好物节 6.1-6.18 火热抢购中"     },     "bottom_left_chat": {       "count": 6,       "messages": [         "@宇宙第一辣妹 加入了直播间",         "铁粉 星辰大海: 支持马总！支持老干妈！",         "火星居民: 这个一定要买，配饭绝了！",         "用户8872: 没想到马斯克也爱吃老干妈！",         "特斯拉车主: 求上链接！立刻下单！",         "老干妈真香: 从不打广告，却征服了全世界的味道！"       ]     },     "bottom_right_product_card": {       "sales_tag": "🔥 热卖x 18.9万",       "status": "讲解中",       "price": "{argument name=\"product price\" default=\"¥39.9\"}",       "title": "老干妈风味豆豉油辣椒 280g*2瓶",       "features": "正品保障 坏了包退 极速发货"     },     "bottom_bar": {       "input_placeholder": "说点什么...",       "icon_count": 5,       "icons": ["smiley face", "shopping cart", "heart", "gift box", "three dots"]     }   } }