intros：{"brand_intro":"南卡是专注于骨传导耳机领域的国产品牌，以\"不入耳、更健康\"为核心理念，深耕运动场景。品牌注重声学技术创新与佩戴舒适度，在骨传导技术、防水防尘等方面拥有多项专利，产品线覆盖游泳、跑步、骑行等运动场景，凭借高性价比和扎实做工，在运动耳机市场积累了良好口碑。","product_intro":"南卡Runner Pro 5是专为游泳和水上运动设计的旗舰骨传导耳机，采用IP69级深度防水，支持水下听歌。搭载新一代骨传导振子与OT闭合防漏音技术3.0，音质清晰且漏音控制出色。内置32GB存储，可脱离手机独立播放，配合蓝牙5.3芯片，连接稳定低延迟，适合游泳、冲浪等极限运动场景。","key_specs":["防水等级：IP69（可潜水2米）","存储容量：32GB（约5000首歌曲）","续航时间：10小时","蓝牙版本：5.3","充电方式：磁吸充电","重量：约33g"]}
alt_products：[{"product_name":"南卡Runner Pro 5","brand":"南卡（Nank）","model":"Runner Pro 5","price":1399},{"product_name":"韶音OpenSwim","brand":"韶音（Shokz）","model":"OpenSwim S700","price":1298}]
kol_quotes：["数码博主@科技V力：Runner Pro 5的防水等级是目前骨传导耳机天花板，水下音质惊喜。","运动达人@跑步指南：游泳时终于可以边游边听歌，佩戴感几乎无感。"]
scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其防水性能卓越，水下音质清晰，佩戴牢固不脱落。32GB内存设计让游泳时无需携带手机，非常方便。部分用户反馈骨传导在嘈杂环境（如泳池）音量偏小，但整体满意度高，尤其适合游泳爱好者。漏音控制相比前代有显著提升，日常跑步通话也足够清晰。","source_count":0}},{"source":"objective","score":94,"weight":0.5,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.7,"review_count":52000,"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":52000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["数码博主@科技V力：Runner Pro 5的防水等级是目前骨传导耳机天花板，水下音质惊喜。","运动达人@跑步指南：游泳时终于可以边游边听歌，佩戴感几乎无感。"]}}]