intros：{"brand_intro":"南卡是国产音频品牌，专注于骨传导耳机和真无线耳机领域。品牌以\"高性价比+硬核技术\"为定位，自主研发了OT闭合防漏音技术、響高效振子等核心专利。产品在运动圈和数码爱好者中口碑良好，多次入选京东金榜、天猫V榜，是骨传导市场的重要竞争者。","product_intro":"Runner Pro 4S是南卡旗舰骨传导耳机，搭载第二代響科技高效振子，音质提升50%，漏音减少90%。内置32GB存储，可脱离手机独立播放音乐。IPX8级防水，支持游泳佩戴。蓝牙5.3，续航10小时，采用航空级钛合金骨架，整机仅重31克，适合多场景运动。","key_specs":["佩戴方式：后挂式骨传导","重量：31g","防水等级：IPX8","内置存储：32GB","续航时间：10小时","蓝牙版本：5.3"]}
alt_products：[{"product_name":"Runner Pro 4S","brand":"南卡（Nank）","model":"Runner Pro 4S","price":1098},{"product_name":"OpenRun Pro","brand":"韶音（Shokz）","model":"S810","price":1298}]
kol_quotes：["@游泳教练老张：Runner Pro 4S是我用过最好的游泳耳机，水下音质清晰。","@科技狐：南卡把骨传导的漏音问题解决得不错，性价比很高。"]
scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户对其防水性能和内置存储功能评价极高，游泳时使用无压力，MP3模式方便。音质在骨传导中表现突出，人声清晰，低频有进步。漏音控制优秀，办公室使用不尴尬。部分用户反馈充电接口磁吸设计偶尔接触不良，但整体性价比突出，是运动爱好者的热门选择。","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":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":["@游泳教练老张：Runner Pro 4S是我用过最好的游泳耳机，水下音质清晰。","@科技狐：南卡把骨传导的漏音问题解决得不错，性价比很高。"]}}]