intros：{"brand_intro":"优色林（Eucerin）是德国拜尔斯道夫集团旗下的百年护肤品牌，创立于1900年。品牌以皮肤科学研究为核心，尤其在敏感肌和问题肌肤护理领域享有盛誉。优色林拥有全球领先的尿素应用技术，其尿素系列产品被皮肤科医生广泛推荐。品牌品控严格遵循德国制药标准，所有产品均经过临床验证，强调\"温和、有效、安全\"的护肤理念。创始人保罗·C·博伊尔（Paul C. Beiersdorf）是药剂师出身，奠定了品牌严谨的科学基因。","product_intro":"优色林尿素足部修护霜定位中高端足部护理市场，核心卖点是\"10%高浓度尿素+神经酰胺\"的强效修护配方。尿素能高效软化角质、促进水分渗透，神经酰胺则修复皮肤屏障。适合严重干裂、厚茧、糖尿病足等复杂足部问题。相比凡士林，优色林在活性成分浓度和修护深度上更胜一筹，但价格也更高。日间使用可形成保护膜，减少鞋袜摩擦带来的二次损伤。","key_specs":{"核心成分":"10%尿素（软化角质）、神经酰胺（屏障修复）、乳酸（温和去角质）","质地":"厚重乳霜，吸收后呈哑光感","适用人群":"重度干裂、厚茧、糖尿病足患者、老年人","规格":"75ml / 150ml","保质期":"3年","无添加":"不含香精、色素、对羟基苯甲酸酯"}}
alt_products：[{"product_name":"优色林尿素足部修护霜","brand":"优色林","model":"Eucerin UreaRepair Plus Foot Cream","price":89},{"product_name":"CeraVe足部修护霜","brand":"CeraVe","model":"CeraVe Foot Cream with Urea","price":79}]
scoring_breakdown：[{"source":"word_of_mouth","score":94.1,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"优色林足部霜在专业评测和用户口碑中均表现优异，尤其受糖尿病足患者和老年人青睐。小红书和京东评价显示，用户使用1-2周后足跟裂口明显变浅，厚茧软化脱落，且保湿持久度可达8小时以上。缺点方面，部分用户反馈质地偏厚重，需要充分按摩才能吸收；价格相对较高，且小规格包装性价比一般。专业皮肤科医生评价其为\"非处方足部护理产品中的金标准\"。","source_count":4}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":62000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.25,"confidence":1,"details":{"rating_avg":4.7,"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":["\"优色林足部霜是我用过最有效的，10%尿素不是白加的，脚后跟的硬茧一周就软了。\"——小红书护肤博主@皮肤科医生Dr.李","\"如果你有严重的足部干裂，别犹豫，直接上优色林，它值得多花几十块钱。\"——什么值得买用户@值友987654"]}}]