scoring_breakdown:[{"source":"word_of_mouth","score":86.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其金属质感和稳定性,认为99元价位做工扎实。多数评论提到底座厚重、不晃动,阳极氧化表面不易留指纹。部分用户反馈挂臂弧度对某些耳机头梁保护不够完美。整体好评率约98%,是百元级耳机架中的口碑标杆。","source_count":0}},{"source":"objective","score":96,"weight":0.5,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.8,"review_count":65000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":65000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["电竞主播@老马:北弧这个架子放我雷蛇耳机刚刚好,金属底座稳得一批。","数码评测@极客湾:百元内铝合金耳机架首选,做工对得起价格。"]}}]