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+专业级音质\"为定位。品牌在骨传导领域深耕多年，主打运动与户外场景，产品线覆盖入门到旗舰，凭借扎实的做工和亲民价格迅速崛起，成为国内骨传导市场的重要玩家。","product_intro":"Runner Pro 4S是南卡旗舰级骨传导耳机，搭载第2代響科技骨传导振子，音质解析力提升显著。内置16GB内存，可脱离手机独立播放音乐，适合游泳等场景。IPX8级防水，支持水下使用，续航10小时，蓝牙5.3连接稳定。全机身采用航空级钛合金，重量仅31g，佩戴轻盈。","key_specs":["骨传导技术：第2代響科技振子","防护等级：IPX8（可游泳）","内置存储：16GB","续航时间：10小时","重量：31g","蓝牙版本：5.3"]}
alt_products：[{"product_name":"南卡Runner Pro 4S骨传导耳机","brand":"南卡（Nank）","model":"Runner Pro 4S","price":1099},{"product_name":"韶音OpenRun Pro骨传导运动耳机","brand":"韶音（Shokz）","model":"S810","price":1298}]
kol_quotes：["游泳博主铁三王：Runner Pro 4S是我水下训练的唯一选择，音质和防水都到位。","科技媒体IT之家：南卡在骨传导领域的技术迭代速度令人印象深刻。"]
scoring_breakdown：[{"source":"word_of_mouth","score":84.69999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其防水性能，游泳时使用无压力，内置MP3功能方便实用。音质在骨传导中表现均衡，人声清晰，低频有提升。佩戴稳固，剧烈运动不脱落。部分用户反馈充电接口磁吸设计偶尔接触不良，按键手感偏硬。整体性价比突出，适合游泳爱好者及预算有限的运动用户。","source_count":0}},{"source":"objective","score":88.87202702702702,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.6,"price":1099,"wom_score":84.69999999999999}},{"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":["游泳博主铁三王：Runner Pro 4S是我水下训练的唯一选择，音质和防水都到位。","科技媒体IT之家：南卡在骨传导领域的技术迭代速度令人印象深刻。"]}}]