scoring_breakdown:[{"source":"word_of_mouth","score":90.89999999999999,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"评价集中在颜值高、易打理两点。用户称赞大理石纹和木纹款非常上镜,拍照效果好。防水防油性能出色,汤汁洒了一擦即净,无需水洗。底部防滑设计稳固,不伤桌面。少数用户提到新开封有轻微气味,通风后消失。整体满意度极高,复购率超过30%。","source_count":0}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.8,"review_count":18300,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.45,"confidence":1,"details":{"rating_avg":4.8,"review_count":18300,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["美食博主@厨房里的猫:'这款餐垫让我的餐桌瞬间高级了,拍照不用滤镜!'","家居博主@小A的家:'懒人必备,油污一擦就掉,比布垫好打理一百倍。'"]}}]