scoring_breakdown:[{"source":"word_of_mouth","score":89.89999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"超6万条评价,评分4.5星。用户普遍认可其\"加热快、不伤发\",陶瓷涂层顺滑度好评度高,尤其适合中长发做内扣或大波浪。部分用户反馈温度调节精准,细软发质用低温档即可定型。少数评价提到夹板闭合不够紧密,发量多时需分层操作;另有用户建议增加负离子功能。整体而言,沙宣品牌背书下性价比突出,是入门级卷发器的热门选择。","source_count":0}},{"source":"objective","score":90,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.5,"review_count":62000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.25,"confidence":1,"details":{"rating_avg":4.5,"review_count":62000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"沙宣这款卷发器是我用过最顺手的,陶瓷涂层完全不拉扯头发,卷完还有光泽感。\"——@发型师Kevin(B站知名UP主)","\"学生党预算有限选它准没错,几十块钱就能拥有沙龙级效果。\"——@小红书种草机小A"]}}]