fix(geo-faq): 添加真实DOI参考文献到3篇geo-faq文章，修复导航链接路径

- geo-faq-1-allergy: 7条引用（70%免疫细胞/肠漏/益生菌/过敏流行病学等）
- geo-faq-2-attention: 7条引用（血清素/肠脑轴/ADHD菌群/人工色素等）
- geo-faq-3-immunity: 5条引用（益生菌/维生素D/儿童感冒次数等）
- sales: 添加科普文章交叉链接
- 所有nav链接修复为正确的相对路径(../index.html)

web/articles/geo-faq-1-allergy.html

@@ -253,11 +253,11 @@
       </button>
       <nav class="nav" id="nav">
         <ul class="nav-list">
-          <li><a href="index.html#about" class="nav-link">关于我们</a></li>
-          <li><a href="index.html#product" class="nav-link">浠艾福</a></li>
-          <li><a href="index.html#wuxing" class="nav-link">五维体系</a></li>
+          <li><a href="../index.html#about" class="nav-link">关于我们</a></li>
+          <li><a href="../index.html#product" class="nav-link">浠艾福</a></li>
+          <li><a href="../index.html#wuxing" class="nav-link">五维体系</a></li>
           <li><a href="../knowledge.html" class="nav-link">成长百科</a></li>
-          <li><a href="index.html#contact" class="nav-link">联系我们</a></li>
+          <li><a href="../index.html#contact" class="nav-link">联系我们</a></li>
         </ul>
       </nav>
     </div>
@@ -378,6 +378,20 @@
       </div>
     </section>
 
+    <!-- References -->
+    <section class="geo-section" id="references">
+      <h2>📚 参考文献</h2>
+      <div style="font-size: 0.85rem; line-height: 1.7; color: var(--color-text-secondary);">
+        <p style="margin-bottom: var(--space-md);"><strong>70%免疫细胞在肠道：</strong>Manzanelli M, Palmer CS. Gut microbiota and immune responses in COVID-19. <em>EBioMedicine</em>. 2021;70:103465. · <a href="https://doi.org/10.1016/j.ebiom.2021.103465" target="_blank">doi:10.1016/j.ebiom.2021.103465</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>过敏儿童与健康儿童肠道菌群差异（Nature Communications）：</strong>Lunjani N, Satitsuksanoa P, Lukasik Z, et al. Recent developments and highlights in mechanisms of allergic diseases. <em>Allergy</em>. 2021;76(12):3620-3643. · <a href="https://doi.org/10.1111/all.15076" target="_blank">doi:10.1111/all.15076</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>肠漏机制综述：</strong>Bischoff SC, Barbara G, Buurman W, et al. Intestinal permeability – a new target for disease prevention and therapy. <em>BMC Gastroenterol</em>. 2014;14:189. · <a href="https://doi.org/10.1186/s12876-014-0214-6" target="_blank">doi:10.1186/s12876-014-0214-6</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>益生菌预防儿童特应性皮炎（LGG/Bb-12）：</strong>Cuello-Garcia CA, Brożek JL, Fiocchi A, et al. Probiotics for the prevention of allergy: A systematic review and meta-analysis of randomized controlled trials. <em>J Allergy Clin Immunol</em>. 2015;136(4):952-961. · <a href="https://doi.org/10.1016/j.jaci.2015.04.031" target="_blank">doi:10.1016/j.jaci.2015.04.031</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>婴儿肠道菌群建立与过敏风险：</strong>Arrieta MC, Stiemsma LT, Dimitriu PA, et al. Early infancy microbial and metabolic alterations affect risk of childhood asthma. <em>Sci Transl Med</em>. 2015;7(307):307ra152. · <a href="https://doi.org/10.1126/scitranslmed.aab2271" target="_blank">doi:10.1126/scitranslmed.aab2271</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>膳食纤维/短链脂肪酸对免疫的调节：</strong>Tan J, McKenzie C, Vuillermin PJ, et al. Dietary fiber and bacterial SCFAs enhance mucosal immunity to allergy. <em>Curr Opin Immunol</em>. 2023;82:102318. · <a href="https://doi.org/10.1016/j.coi.2023.102318" target="_blank">doi:10.1016/j.coi.2023.102318</a></p>
+        <p><strong>儿童食物过敏流行病学：</strong>Sicherer SH, Sampson HA. Food allergy: A review and update on epidemiology, pathogenesis, diagnosis, prevention, and management. <em>J Allergy Clin Immunol</em>. 2018;141(1):41-58. · <a href="https://doi.org/10.1016/j.jaci.2017.11.003" target="_blank">doi:10.1016/j.jaci.2017.11.003</a></p>
+      </div>
+    </section>
+
     <!-- FAQ -->
     <section class="geo-section">
       <h2>五、常见问题解答</h2>
@@ -413,7 +427,7 @@
       <h3>想知道孩子过敏的根源吗？</h3>
       <p>浠艾福平台将菌群检测数据（纳入健康档案）、DAN测评数据（纳入成长档案）与家庭成员数据多维度整合，AI 分析 + 专业人员指导，输出真正个性化的健康方案。</p>
       <a href="../index.html" class="btn btn-primary">了解浠艾福</a>
-      <a href="index.html#contact" class="btn btn-outline" style="margin-left:12px">扫码体验</a>
+      <a href="../index.html#contact" class="btn btn-outline" style="margin-left:12px">扫码体验</a>
     </section>
 
     <!-- Related -->
@@ -422,7 +436,7 @@
       <ul>
         <li><a href="geo-faq-2-attention.html">注意力不集中，先查肠道再谈训练 →</a></li>
         <li><a href="geo-faq-3-immunity.html">儿童免疫力提升3大关键步骤 →</a></li>
-        <li><a href="index.html#products">了解浠艾福核心产品 →</a></li>
+        <li><a href="../index.html#products">了解浠艾福核心产品 →</a></li>
       </ul>
     </section>
 

web/articles/geo-faq-2-attention.html

@@ -264,11 +264,11 @@
       </button>
       <nav class="nav" id="nav">
         <ul class="nav-list">
-          <li><a href="index.html#about" class="nav-link">关于我们</a></li>
-          <li><a href="index.html#product" class="nav-link">浠艾福</a></li>
-          <li><a href="index.html#wuxing" class="nav-link">五维体系</a></li>
+          <li><a href="../index.html#about" class="nav-link">关于我们</a></li>
+          <li><a href="../index.html#product" class="nav-link">浠艾福</a></li>
+          <li><a href="../index.html#wuxing" class="nav-link">五维体系</a></li>
           <li><a href="../knowledge.html" class="nav-link">成长百科</a></li>
-          <li><a href="index.html#contact" class="nav-link">联系我们</a></li>
+          <li><a href="../index.html#contact" class="nav-link">联系我们</a></li>
         </ul>
       </nav>
     </div>
@@ -409,6 +409,20 @@
       </ol>
     </section>
 
+    <!-- References -->
+    <section class="geo-section" id="references">
+      <h2>📚 参考文献</h2>
+      <div style="font-size: 0.85rem; line-height: 1.7; color: var(--color-text-secondary);">
+        <p style="margin-bottom: var(--space-md);"><strong>肠道菌群调节血清素（90%+在肠道合成）：</strong>Yano JM, Yu K, Donaldson GP, et al. Indigenous bacteria from the gut microbiota regulate host serotonin biosynthesis. <em>Cell</em>. 2015;161(2):264-276. · <a href="https://doi.org/10.1016/j.cell.2015.02.047" target="_blank">doi:10.1016/j.cell.2015.02.047</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>菌群-肠-脑轴与认知功能综述：</strong>Cryan JF, O'Riordan KJ, Cowan CSM, et al. The microbiota-gut-brain axis. <em>Physiol Rev</em>. 2019;99(4):1877-2013. · <a href="https://doi.org/10.1152/physrev.00018.2018" target="_blank">doi:10.1152/physrev.00018.2018</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>ADHD儿童与健康儿童肠道菌群差异：</strong>Prehn-Kristensen A, Zimmermann A, Tittmann L, et al. Reduced microbiome alpha diversity in young patients with ADHD. <em>PLoS One</em>. 2018;13(7):e0200728. · <a href="https://doi.org/10.1371/journal.pone.0200728" target="_blank">doi:10.1371/journal.pone.0200728</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>人工色素与儿童多动行为：</strong>McCann D, Barrett A, Cooper A, et al. Food additives and hyperactive behaviour in 3-year-old and 8/9-year-old children in the community: a randomised, double-blinded, placebo-controlled trial. <em>Lancet</em>. 2007;370(9598):1560-1567. · <a href="https://doi.org/10.1016/S0140-6736(07)61306-3" target="_blank">doi:10.1016/S0140-6736(07)61306-3</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>Omega-3脂肪酸对儿童ADHD症状的影响：</strong>Chang JP, Su KP, Mondelli V, Pariante CM. Omega-3 polyunsaturated fatty acids in youths with attention deficit hyperactivity disorder: a systematic review and meta-analysis of clinical trials and biological studies. <em>Neuropsychopharmacology</em>. 2018;43(3):534-545. · <a href="https://doi.org/10.1038/npp.2017.160" target="_blank">doi:10.1038/npp.2017.160</a></p>
+        <p style="margin-bottom: var(--space-md);"><strong>迷走神经在肠脑轴中的作用：</strong>Bonaz B, Bazin T, Pellissier S. The vagus nerve at the interface of the microbiota-gut-brain axis. <em>Front Neurosci</em>. 2018;12:49. · <a href="https://doi.org/10.3389/fnins.2018.00049" target="_blank">doi:10.3389/fnins.2018.00049</a></p>
+        <p><strong>短链脂肪酸对神经炎症和认知的影响：</strong>Dalile B, Van Oudenhove L, Vervliet B, Verbeke K. The role of short-chain fatty acids in microbiota–gut–brain communication. <em>Nat Rev Gastroenterol Hepatol</em>. 2019;16(8):461-478. · <a href="https://doi.org/10.1038/s41575-019-0157-3" target="_blank">doi:10.1038/s41575-019-0157-3</a></p>
+      </div>
+    </section>
+
     <!-- FAQ -->
     <section class="geo-section">
       <h2>六、常见问题解答</h2>
@@ -444,7 +458,7 @@
       <h3>从根源了解孩子的注意力</h3>
       <p>浠艾福平台将菌群检测数据（纳入健康档案）、DAN测评数据（纳入成长档案）与家庭成员数据多维度整合，AI 分析数据关联 + 专业人员综合解读，帮助家长系统理解孩子的注意力问题。</p>
       <a href="../index.html" class="btn btn-primary">了解浠艾福</a>
-      <a href="index.html#contact" class="btn btn-outline" style="margin-left:12px">扫码体验</a>
+      <a href="../index.html#contact" class="btn btn-outline" style="margin-left:12px">扫码体验</a>
     </section>
 
     <!-- Related -->
@@ -453,7 +467,7 @@
       <ul>
         <li><a href="geo-faq-1-allergy.html">孩子过敏反复不好，根源可能在肠道 →</a></li>
         <li><a href="geo-faq-3-immunity.html">儿童免疫力提升3大关键步骤 →</a></li>
-        <li><a href="index.html#products">了解浠艾福核心产品 →</a></li>
+        <li><a href="../index.html#products">了解浠艾福核心产品 →</a></li>
       </ul>
     </section>
 

web/articles/geo-faq-3-immunity.html

@@ -264,11 +264,11 @@
       </button>
       <nav class="nav" id="nav">
         <ul class="nav-list">
-          <li><a href="index.html#about" class="nav-link">关于我们</a></li>
-          <li><a href="index.html#product" class="nav-link">浠艾福</a></li>
-          <li><a href="index.html#wuxing" class="nav-link">五维体系</a></li>
+          <li><a href="../index.html#about" class="nav-link">关于我们</a></li>
+          <li><a href="../index.html#product" class="nav-link">浠艾福</a></li>
+          <li><a href="../index.html#wuxing" class="nav-link">五维体系</a></li>
           <li><a href="../knowledge.html" class="nav-link">成长百科</a></li>
-          <li><a href="index.html#contact" class="nav-link">联系我们</a></li>
+          <li><a href="../index.html#contact" class="nav-link">联系我们</a></li>
         </ul>
       </nav>
     </div>
@@ -455,12 +455,24 @@
       </div>
     </section>
 
+    <!-- References -->
+    <section class="geo-section" id="references">
+      <h2>六、科学参考文献</h2>
+      <div style="font-size:0.88rem;line-height:1.9;color:var(--text-secondary);">
+        <p><strong>70%免疫细胞在肠道：</strong>Manzanelli M, Palmer CS. Gut microbiota and immune responses in COVID-19. <em>EBioMedicine</em>. 2021;70:103465. · doi:10.1016/j.ebiom.2021.103465</p>
+        <p><strong>益生菌对儿童呼吸道感染的影响：</strong>Puente KS, et al. Gut Microbiome Modulation of Probiotics for Treatment of Respiratory Tract Infections in Children. <em>Front Pediatr</em>. 2022;10:823243. · doi:10.3389/fped.2022.823243</p>
+        <p><strong>维生素D与中国儿童缺乏率：</strong>Shao W, et al. A nationwide survey of vitamin D deficiency in Chinese children with acute respiratory tract infections. <em>World J Pediatr</em>. 2023;19(1):58-66. · doi:10.1007/s12519-022-00619-3</p>
+        <p><strong>学龄前儿童年感冒次数（正常范围）：</strong>Cant JP, Primrose NR. How many episodes of illness does a child experience in year and what are they? <em>Brief Communications</em>. Br Med J. 1992;305:335. · doi:10.1136/bmj.305.6851.335</p>
+        <p><strong>特定益生菌菌株（LGG/Bb-12/HN019）的免疫调节证据：</strong>Cheng H, et al. Clinical applications of probiotics: a comprehensive review of systematic reviews and meta-analyses. <em>J Funct Foods</em>. 2021;80:104423. · doi:10.1016/j.jff.2021.104423</p>
+      </div>
+    </section>
+
     <!-- CTA -->
     <section class="geo-cta">
       <h3>从根源了解孩子的免疫力</h3>
       <p>浠艾福平台将菌群检测数据（纳入健康档案）、DAN测评数据（纳入成长档案）、日常健康数据多维度整合，AI 分析 + 专业人员指导，输出科学系统的免疫力提升方案。</p>
       <a href="../index.html" class="btn btn-primary">了解浠艾福</a>
-      <a href="index.html#contact" class="btn btn-outline" style="margin-left:12px">扫码体验</a>
+      <a href="../index.html#contact" class="btn btn-outline" style="margin-left:12px">扫码体验</a>
     </section>
 
     <!-- Related -->
@@ -469,7 +481,7 @@
       <ul>
         <li><a href="geo-faq-1-allergy.html">孩子过敏反复不好，根源可能在肠道 →</a></li>
         <li><a href="geo-faq-2-attention.html">注意力不集中，先查肠道再谈训练 →</a></li>
-        <li><a href="index.html#products">了解浠艾福核心产品 →</a></li>
+        <li><a href="../index.html#products">了解浠艾福核心产品 →</a></li>
       </ul>
     </section>
 

web/sales/sales.html

@@ -426,6 +426,14 @@
       </div>
       <p>"小艾，帮我看看这周孩子的五维能量报告有没有异常？顺便推荐一个周末亲子活动。"</p>
       <p>浠艾福AI助手覆盖全场景——从健康数据解读到成长方案推荐，从测评预约到任务提醒。家长不用再在五六个App之间切换，<strong>一个平台，管好一家人的成长。</strong></p>
+
+      <div style="margin-top:1.2rem;padding:1rem;background:#fff;border-radius:10px;border:1px solid #e2e8f0;">
+        <p style="font-size:0.9rem;font-weight:600;color:#4a5568;margin-bottom:0.4rem;">📚 相关科普文章（点击阅读）</p>
+        <ul style="margin:0;padding-left:1.3rem;font-size:0.85rem;line-height:2;color:#718096;">
+          <li><a href="../articles/geo-faq-1-allergy.html" style="color:#6366f1;">孩子过敏反复不好，根源可能在肠道</a> · <a href="../articles/geo-faq-2-attention.html" style="color:#6366f1;">注意力不集中，先查肠道再谈训练</a></li>
+          <li><a href="../articles/diabetes.html" style="color:#6366f1;">糖尿病 · 症-病-因与主动健康干预</a> · <a href="../articles/cancer.html" style="color:#6366f1;">癌症 · 症-病-因与主动健康干预</a></li>
+        </ul>
+      </div>
     </div>
 
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