intros：{"brand_intro":"南卡（Nank）是中国本土专注于骨传导耳机的品牌，隶属于深圳市梦趣生活科技有限公司。品牌以\"高性价比\"和\"技术创新\"著称，产品线覆盖运动、日常通勤等场景。南卡在骨传导技术领域拥有多项专利，尤其注重防水性能和音质优化，近年来市场份额增长迅速，成为韶音的主要竞争对手。","product_intro":"Runner Pro 4S是南卡旗舰级骨传导耳机，采用第2代響科技高效振子，音质清晰饱满。机身采用航空级钛合金材质，重量仅31g，佩戴轻盈。IPX8级专业防水，支持游泳佩戴，内置32GB存储空间，可脱离手机独立播放音乐。蓝牙5.3芯片连接稳定，续航10小时，适合多场景运动使用。","key_specs":{"重量":"31g","防水等级":"IPX8","续航时间":"10小时","内置存储":"32GB","蓝牙版本":"蓝牙5.3","振子技术":"第2代響科技"}}
alt_products：[{"product_name":"Runner Pro 4S","brand":"南卡","model":"Runner Pro 4S","price":1098},{"product_name":"OpenRun Pro","brand":"韶音","model":"S810","price":1298}]
kol_quotes：["游泳达人李泳：Runner Pro 4S是我用过最好的游泳耳机，水下音质依然清晰。","科技测评师阿良：南卡在防水和存储上做得比韶音更激进，性价比突出。"]
scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户称赞Runner Pro 4S防水性能出色，游泳时佩戴毫无压力，内置存储功能非常实用。音质在骨传导耳机中属于上乘，人声清晰。部分用户反映充电接口磁吸设计偶尔接触不良，且耳机在剧烈运动时略有晃动。总体性价比高，适合游泳和户外运动爱好者。","source_count":0}},{"source":"objective","score":90.26705705705706,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.6,"price":1098,"wom_score":88.6}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":38000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["游泳达人李泳：Runner Pro 4S是我用过最好的游泳耳机，水下音质依然清晰。","科技测评师阿良：南卡在防水和存储上做得比韶音更激进，性价比突出。"]}}]