intros：{"brand_intro":"南卡是深圳市梦趣生活科技有限公司旗下的音频品牌，成立于2011年，以高性价比骨传导耳机闻名。品牌聚焦\"专业骨传导技术普惠化\"，产品线覆盖运动、商务、助听等领域。南卡在骨传导振子小型化技术上拥有多项专利，被用户称为\"骨传导领域的性价比之王\"。","product_intro":"Runner Comm 是南卡针对商务场景推出的骨传导耳机，主打\"通话降噪+长续航\"。采用OT闭合降漏音技术3.0，有效减少骨传导常见的漏音问题。配备可插拔麦克风，支持ENC环境降噪，通话时人声更纯净。续航为10小时音乐/7小时通话，IPX6级防水，支持一拖二连接，适合预算敏感但追求品质的商务用户。","key_specs":["降噪技术：OT闭合降漏音3.0 + ENC环境降噪","麦克风：可插拔式降噪麦克风","蓝牙版本：5.0","续航：音乐10小时/通话7小时","防水等级：IPX6","重量：34g"]}
alt_products：[{"product_name":"南卡 Runner Comm 骨传导商务耳机","brand":"南卡（Nank）","model":"Runner Comm","price":699},{"product_name":"飞利浦 TAA7607 骨传导商务耳机","brand":"飞利浦（Philips）","model":"TAA7607","price":899}]
scoring_breakdown：[{"source":"word_of_mouth","score":80.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在\"性价比极高\"和\"漏音控制出色\"两点，相比同价位产品通话清晰度明显更好。麦克风插拔设计灵活，日常佩戴不突兀。部分用户反映蓝牙5.0在复杂环境下偶有断连，但整体稳定性可接受。续航表现中规中矩，充电速度较慢。适合作为入门级商务骨传导耳机，学生党和小微企业主购买比例较高。","source_count":3}},{"source":"objective","score":90,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.5,"review_count":42000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":42000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["数码评测UP主@科技美学：Runner Comm把骨传导商务耳机的价格打下来了，功能一点没缩水。","职场博主@老李的职场笔记：开会用这个，老板以为你戴的是几百块的耳机，其实效果不输千元款。"]}}]