scoring_breakdown:[{"source":"word_of_mouth","score":87.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其安装简便、沥水效果好,能有效保持台面整洁。多数评价提到\"性价比高\"\"稳固不晃动\",尤其适合小厨房。少数反馈指出背胶在瓷砖上牢固,但在粗糙墙面易脱落;另有用户建议增加更大尺寸版本以容纳厚菜板。整体好评率超过98%。","source_count":0}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.8,"review_count":52000,"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":52000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@家居收纳师小A:懒角落这款是百元内菜板架的天花板,沥水设计很科学。","@生活家Vlog:安装只要30秒,厨房台面瞬间清爽。"]}}]