intros：{"brand_intro":"南卡是专注于骨传导与开放式音频技术的国产品牌，以\"不入耳、更健康\"为核心理念，深耕运动与户外场景。品牌拥有多项骨传导专利，尤其在漏音抑制、音质优化和佩戴舒适度上持续迭代，被用户称为\"国产骨传导标杆\"。产品线覆盖入门到旗舰，深受跑步、骑行及游泳爱好者信赖。","product_intro":"南卡Runner Pro 5是旗舰级骨传导耳机，采用第5代骨传导技术，支持IP69K深度防水，可水下佩戴游泳。内置32GB存储，支持MP3独立播放。搭载OT闭合防漏音3.0技术，有效减少漏音。续航长达10小时，配合蓝牙5.3芯片，连接稳定低延迟。耳塞可拆卸替换，适配不同耳道，兼顾骨传导与入耳式体验。","key_specs":["蓝牙版本：5.3","防水等级：IP69K（可游泳）","内置存储：32GB","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":"南卡骨传导蓝牙耳机Runner Pro 5","brand":"南卡（NANK）","model":"Runner Pro 5","price":1398},{"product_name":"韶音OpenSwim Pro骨传导游泳耳机","brand":"韶音（Shokz）","model":"OpenSwim Pro","price":1298}]
kol_quotes：["数码博主@钟文泽：Runner Pro 5是目前最全能的骨传导耳机，游泳场景无敌。","运动博主@跑步的子章：佩戴稳定，长跑不晃，防水让人放心。"]
scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.2,"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内存方便脱离手机运动。部分用户反馈耳塞配件贴合度因人而异，长时间佩戴耳骨处有轻微压迫感。漏音控制相比前代进步明显，但安静环境下仍可察觉。整体评价极高，适合重度运动及水下场景。","source_count":0}},{"source":"objective","score":94,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.7,"review_count":28500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":28500,"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":["数码博主@钟文泽：Runner Pro 5是目前最全能的骨传导耳机，游泳场景无敌。","运动博主@跑步的子章：佩戴稳定，长跑不晃，防水让人放心。"]}}]