intros：{"brand_intro":"南卡是专注于骨传导音频技术的国产品牌，以\"健康听音\"为核心理念，深耕运动耳机领域多年。品牌强调不入耳、不伤耳的开放式聆听体验，产品线覆盖日常通勤、专业运动等场景，凭借高性价比和扎实的品控，在骨传导市场占据重要地位，尤其受跑步、骑行爱好者青睐。","product_intro":"Runner Pro 5是南卡旗舰级骨传导耳机，采用第5代骨传导技术，搭载OT闭合防漏音3.0系统，有效减少漏音。IP69级深度防水，支持游泳佩戴。内置32GB存储，可脱离手机独立播放音乐。配备蓝牙5.3芯片，连接稳定低延迟，续航长达10小时，适合专业运动及水下场景使用。","key_specs":["防水等级：IP69（可游泳）","存储容量：32GB","蓝牙版本：5.3","续航时间：10小时","漏音抑制：OT闭合防漏音3.0","充电方式：磁吸充电"]}
alt_products：[{"product_name":"南卡Runner Pro 5","brand":"南卡（NANK）","model":"Runner Pro 5","price":1399},{"product_name":"韶音OpenRun Pro 2","brand":"韶音（Shokz）","model":"OpenRun Pro 2","price":1298}]
kol_quotes：["南卡Runner Pro 5是目前骨传导耳机中防水性能的天花板，游泳党闭眼入。","32GB内存太实用了，跑步完全摆脱手机束缚。"]
scoring_breakdown：[{"source":"word_of_mouth","score":91.39999999999999,"weight":0.3,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其防水性能出色，游泳时佩戴稳固不漏水，音质在骨传导中属于上乘，低频有提升。32GB内存方便运动不带手机。少数用户反映夹持力偏紧，长时间佩戴略有压迫感，且价格较高。整体好评率极高，是专业运动爱好者的首选。","source_count":0}},{"source":"objective","score":96,"weight":0.4,"confidence":0.6,"details":{"rating_avg":4.8,"review_count":52000}},{"source":"user_review","score":96,"weight":0.2,"confidence":1,"details":{"rating_avg":4.8,"review_count":52000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["南卡Runner Pro 5是目前骨传导耳机中防水性能的天花板，游泳党闭眼入。","32GB内存太实用了，跑步完全摆脱手机束缚。"]}}]