fix(articles): 修正图片引用路径并替换缺失的参考截图

- plastic-health.html: img/ref-*.png → ../img/ref-*.png (修正6处路径)
- alzheimer.html: alzheimer_ref1.png → gut-microbiome-damage.jpg (替换不存在的截图)

web/articles/alzheimer.html

@@ -683,7 +683,7 @@
     <p>肠道与大脑通过神经、免疫、代谢三条途径双向连接。肠道菌群失调→肠漏→LPS进入血液→系统性炎症→血脑屏障通透性↑→大脑小胶质细胞激活。</p>
     
     <div class="mechanism-diagram">
-      <img src="img/ref-screenshots/alzheimer_ref1.png" alt="肠脑轴机制图" style="max-width:100%;border-radius:var(--radius);box-shadow:var(--shadow-card);border:1px solid #e2e8f0;">
+      <img src="../img/ref-screenshots/gut-microbiome-damage.jpg" alt="肠脑轴机制图" style="max-width:100%;border-radius:var(--radius);box-shadow:var(--shadow-card);border:1px solid #e2e8f0;">
       <div class="diagram-caption">
         <strong>▲ 图1：肠脑轴机制图</strong><br>
         肠道菌群失调→肠漏→LPS进入血液→系统性炎症→血脑屏障通透性↑→大脑小胶质细胞激活→神经炎症→AD<br>
@@ -865,7 +865,7 @@
       <div class="info-item">
         <div class="icon">💊</div>
         <h4>抗炎补充剂</h4>
-        <p>Omega-3、姜黄素、绿茶提取物</p>
+        <p>Omega-3、<a href="turmeric.html">姜黄素</a>、绿茶提取物</p>
       </div>
     </div>
     
@@ -1107,14 +1107,9 @@
   </div>
 </section>
 
-<!-- ===== FOOTER ===== -->
-<footer>
-  <div class="container">
-    <div style="text-align:center;padding:2rem 0;color:var(--text-muted);font-size:0.9rem;">
-      <p>备案号 京ICP备14061870号-5 | 浠艾福·主动健康学院</p>
-      <p style="margin-top:0.5rem;">© 2024-2026 浠艾福（Care Family） - 给全家的一站式幸福提案</p>
-    </div>
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-</footer>
+<!-- Footer (shared) -->
+<div id="footer-placeholder"></div>
+<script src="../js/footer.js"></script>
+
 </body>
 </html>

web/articles/plastic-health.html

@@ -678,29 +678,29 @@
     <!-- 截图：四大风险对应证据 -->
     <div class="two-col-grid" style="margin:1.5rem 0;">
       <div>
-        <a href="img/ref-pet-sources.png" target="_blank">
-          <img src="img/ref-pet-sources.png" alt="PET瓶污染源" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
+        <a href="../img/ref-pet-sources.png" target="_blank">
+          <img src="../img/ref-pet-sources.png" alt="PET瓶污染源" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
         </a>
         <p style="font-size:0.85rem;color:var(--text-primary);margin-top:0.4rem;font-weight:600;">📌 对应风险①：桶身老化/瓶身材料</p>
         <p style="font-size:0.75rem;color:var(--text-muted);">CCWIN 2026 国内15品牌检测：PET瓶620万颗粒/升，污染始于制造、运输、储存<br><a href="http://www.ccwin.cn/article-87006-1.html" target="_blank" style="color:var(--blue);">来源: 中国商业网 2026 →</a></p>
       </div>
       <div>
-        <a href="img/ref-hot-water-antimony.png" target="_blank">
-          <img src="img/ref-hot-water-antimony.png" alt="ScienceDaily: 高温释放锑/BPA" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
+        <a href="../img/ref-hot-water-antimony.png" target="_blank">
+          <img src="../img/ref-hot-water-antimony.png" alt="ScienceDaily: 高温释放锑/BPA" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
         </a>
         <p style="font-size:0.85rem;color:var(--text-primary);margin-top:0.4rem;font-weight:600;">📌 对应风险②：饮水机高温加热</p>
         <p style="font-size:0.75rem;color:var(--text-muted);">UF/南京大学研究：PET瓶70°C高温下锑和BPA释放量显著增加<br><a href="https://www.sciencedaily.com/releases/2014/09/140922110139.htm" target="_blank" style="color:var(--blue);">来源: ScienceDaily 2014 →</a></p>
       </div>
       <div>
-        <a href="img/ref-heat-sunlight.png" target="_blank">
-          <img src="img/ref-heat-sunlight.png" alt="Ohio State: 热量和紫外线加速降解" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
+        <a href="../img/ref-heat-sunlight.png" target="_blank">
+          <img src="../img/ref-heat-sunlight.png" alt="Ohio State: 热量和紫外线加速降解" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
         </a>
         <p style="font-size:0.85rem;color:var(--text-primary);margin-top:0.4rem;font-weight:600;">📌 对应风险③：暴晒温度波动</p>
         <p style="font-size:0.75rem;color:var(--text-muted);">Ohio State：紫外线与高温加速塑料降解，BPA-free瓶子也会释放化学物质<br><a href="https://health.osu.edu/health/general-health/reducing-microplastics-better-health" target="_blank" style="color:var(--blue);">来源: 俄亥俄州立大学 2025 →</a></p>
       </div>
       <div>
-        <a href="img/ref-ohio-state.png" target="_blank">
-          <img src="img/ref-ohio-state.png" alt="Ohio State: 瓶装水vs自来水" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
+        <a href="../img/ref-ohio-state.png" target="_blank">
+          <img src="../img/ref-ohio-state.png" alt="Ohio State: 瓶装水vs自来水" style="width:100%;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
         </a>
         <p style="font-size:0.85rem;color:var(--text-primary);margin-top:0.4rem;font-weight:600;">📌 对应风险④：密封垫/聪明座磨损</p>
         <p style="font-size:0.75rem;color:var(--text-muted);">Ohio State：瓶装水塑料含量为自来水2-3倍，260万~1150万颗粒/升，半数可入血<br><a href="https://studyfinds.com/bottled-water-twice-plastic-contamination-tap-water/" target="_blank" style="color:var(--blue);">来源: Ohio State Univ. 2026 →</a></p>
@@ -781,8 +781,8 @@
 
     <!-- 截图：NEJM -->
     <div style="margin:1rem 0;">
-      <a href="img/ref-nejm.png" target="_blank">
-        <img src="img/ref-nejm.png" alt="NEJM: Microplastics in Atheromas and Cardiovascular Events" style="width:100%;max-height:500px;object-fit:cover;object-position:top;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
+      <a href="../img/ref-nejm.png" target="_blank">
+        <img src="../img/ref-nejm.png" alt="NEJM: Microplastics in Atheromas and Cardiovascular Events" style="width:100%;max-height:500px;object-fit:cover;object-position:top;border-radius:12px;border:1px solid #E2E8F0;box-shadow:0 4px 12px rgba(0,0,0,0.08);">
       </a>
       <p style="font-size:0.75rem;color:var(--text-muted);margin-top:0.3rem;">↑ NEJM 2024：颈动脉斑块中微塑料使心梗/卒中风险升高4.5倍<br><a href="https://www.nejm.org/doi/full/10.1056/NEJMoa2309822" target="_blank" style="color:var(--blue);">来源: 新英格兰医学杂志</a></p>
     </div>
@@ -1048,21 +1048,21 @@
       <div class="source">[1] PNAS (美国国家科学院院刊) · 2024</div>
       <div class="findings">Qian N, et al. Rapid single-particle chemical imaging of nanoplastics by SRS microscopy. <em>Proceedings of the National Academy of Sciences</em>, 2024; 121(3): e2300582121. 利用受激拉曼散射(SRS)显微镜实现纳米塑料的单颗粒化学成像，可在无需标记条件下识别水体中纳米塑料的化学成分和来源。</div>
       <a class="link" href="https://www.pnas.org/doi/10.1073/pnas.2300582121" target="_blank">🔗 https://www.pnas.org/doi/10.1073/pnas.2300582121</a>
-      <a class="ref-link-icon" href="img/ref-pnas.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-pnas.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-2" class="citation-card">
       <div class="source">[2] Journal of Hazardous Materials (Elsevier) · 2025 — 环境科学SCI一区顶刊</div>
       <div class="findings">Sajedi S, An C, Chen Z. Unveiling the hidden chronic health risks of nano- and microplastics in single-use plastic water bottles: A review. <em>Journal of Hazardous Materials</em>, 2025; 495: 138948. 系统综述一次性塑料水瓶中纳米/微塑料的长期健康风险，涵盖内分泌干扰、生殖毒性、致癌性等多条证据链。</div>
       <a class="link" href="https://www.sciencedaily.com/releases/2025/10/251006051131.htm" target="_blank">🔗 ScienceDaily 报道 / DOI: 10.1016/j.jhazmat.2025.138948</a>
-      <a class="ref-link-icon" href="img/ref-sciencedaily.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-sciencedaily.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-3" class="citation-card">
       <div class="source">[3] 中国商业网 (ccwin.cn) · 2026年2月 — 国内商业新闻媒体</div>
       <div class="findings">国内15品牌30批次瓶装水检测：PET瓶620万颗粒/升，纸盒480万，玻璃瓶350万。</div>
       <a class="link" href="http://www.ccwin.cn/article-87006-1.html" target="_blank">🔗 http://www.ccwin.cn/article-87006-1.html</a>
-      <a class="ref-link-icon" href="img/ref-3.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-3.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-4" class="citation-card">
@@ -1071,112 +1071,112 @@
       <a class="link" href="https://pubs.acs.org/doi/10.1021/acs.estlett.4c00081" target="_blank">🔗 https://pubs.acs.org/doi/10.1021/acs.estlett.4c00081</a>
       <br>
       <a class="link" href="https://news.huanbohainews.com.cn/2025-03/28/content_50422269.html" target="_blank">🔗 科普中国解读报道</a>
-      <a class="ref-link-icon" href="img/ref-boiling-water.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-boiling-water.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-5" class="citation-card">
       <div class="source">[5] Frontiers in Public Health · 2025 — PMC12213550 · Frontiers 出版 (瑞士) 公共卫生领域SCI期刊</div>
       <div class="findings">Zhang X, Yang C, et al. Microplastics and human health: unraveling the toxicological pathways and implications for public health. <em>Frontiers in Public Health</em>, 2025; 13. 系统综述微塑料从环境暴露到人体健康效应的毒理学通路，涵盖氧化应激、炎症、免疫毒性、神经毒性等机制。</div>
       <a class="link" href="https://pmc.ncbi.nlm.nih.gov/articles/PMC12213550/" target="_blank">🔗 https://pmc.ncbi.nlm.nih.gov/articles/PMC12213550/</a>
-      <a class="ref-link-icon" href="img/ref-pmc-2025-review.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-pmc-2025-review.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-6" class="citation-card">
       <div class="source">[6] 世界卫生组织 (WHO) · 2019</div>
       <div class="findings">Microplastics in drinking-water. Geneva: World Health Organization; 2019. ISBN: 978-92-4-151619-8. WHO 首次系统评估饮用水微塑料的健康风险，指出微量暴露下健康风险较低，但呼吁减少塑料污染以降低长期风险。</div>
       <a class="link" href="https://www.who.int/publications/i/item/9789241516198" target="_blank">🔗 https://www.who.int/publications/i/item/9789241516198</a>
-      <a class="ref-link-icon" href="img/ref-who-report.png" target="_blank">📷 查看报告截图</a>
+      <a class="ref-link-icon" href="../img/ref-who-report.png" target="_blank">📷 查看报告截图</a>
     </div>
 
     <div id="ref-7" class="citation-card">
       <div class="source">[7] Antioxidants (MDPI) · 2024 — PMC11117644 · MDPI出版 抗氧化剂SCI期刊</div>
       <div class="findings">Kadac-Czapska, et al. Microplastics and Oxidative Stress—Current Problems and Prospects. <em>Antioxidants</em>, 2024; 13(5): 579. PMCID PMC11117644。系统综述微塑料诱导氧化应激的机制，微塑料已在人体血液、肠道、肺、肝、脾、肾、胎盘、心脏组织、颈动脉斑块、大脑中被检出。</div>
       <a class="link" href="https://pmc.ncbi.nlm.nih.gov/articles/PMC11117644/" target="_blank">🔗 https://pmc.ncbi.nlm.nih.gov/articles/PMC11117644/</a>
-      <a class="ref-link-icon" href="img/ref-7.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-7.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-8" class="citation-card">
       <div class="source">[8] 新英格兰医学杂志 (NEJM) · 2024 — 全球排名第一的综合性医学期刊</div>
       <div class="findings">Marfella R, et al. Microplastics and Nanoplastics in Atheromas and Cardiovascular Events. <em>N Engl J Med</em>, 2024; 390:900-910. 首次在人体颈动脉斑块中检出微塑料，且斑块中含微塑料的患者发生心梗、中风等心血管事件的概率显著升高。</div>
       <a class="link" href="https://www.nejm.org/doi/full/10.1056/NEJMoa2309822" target="_blank">🔗 https://www.nejm.org/doi/full/10.1056/NEJMoa2309822</a>
-      <a class="ref-link-icon" href="img/ref-nejm.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-nejm.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-9" class="citation-card">
       <div class="source">[9] Chemosphere (Elsevier) · 2024 — 维也纳大学 / 维也纳医科大学</div>
       <div class="findings">Pichler V, Kenner L, et al. Microplastics role in cell migration and distribution during cancer cell division. <em>Chemosphere</em>, 2024; 353: 141463. 纳米级微塑料在细胞分裂中传递给子细胞且永不消除，促进结直肠癌细胞迁移，可能加速肿瘤转移。</div>
       <a class="link" href="https://doi.org/10.1016/j.chemosphere.2024.141463" target="_blank">🔗 https://doi.org/10.1016/j.chemosphere.2024.141463</a>
-      <a class="ref-link-icon" href="img/ref-9.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-9.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-10" class="citation-card">
       <div class="source">[10] BMC Cardiovascular Disorders (Springer) · 2025</div>
       <div class="findings">Jahedi F, et al. From pollution to palpitations: the heart's silent battle with microplastics. <em>BMC Cardiovascular Disorders</em>, 2025; 25: 837. 系统综述72篇研究，证实微塑料可通过氧化应激、炎症、细胞凋亡等机制损害心脏功能，导致心率改变、心包水肿、心肌纤维化。</div>
       <a class="link" href="https://pmc.ncbi.nlm.nih.gov/articles/PMC12648859/" target="_blank">🔗 https://pmc.ncbi.nlm.nih.gov/articles/PMC12648859/</a>
-      <a class="ref-link-icon" href="img/ref-10.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-10.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-11" class="citation-card">
       <div class="source">[11] Antioxidants (MDPI) · 2025</div>
       <div class="findings">Wang Z, et al. Antioxidant Intervention Against Microplastic Hazards. <em>Antioxidants</em>, 2025; 14(7): 797. 系统梳理微塑料的氧化应激机制和天然抗氧化剂（维生素C、姜黄素、槲皮素等）的干预作用与局限性。</div>
       <a class="link" href="https://pmc.ncbi.nlm.nih.gov/articles/PMC12291741/" target="_blank">🔗 https://pmc.ncbi.nlm.nih.gov/articles/PMC12291741/</a>
-      <a class="ref-link-icon" href="img/ref-11.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-11.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-12" class="citation-card">
       <div class="source">[12] Environment International (Elsevier) · 2023 — 中科院沈阳应用生态研究所</div>
       <div class="findings">Zhang Z, et al. Continuous oral exposure to micro- and nanoplastics induced gut microbiota dysbiosis, intestinal barrier and immune dysfunction in adult mice. <em>Environment International</em>, 2023; 182: 108353. 微塑料改变肠道菌群结构（降低 Firmicutes/Bacteroidetes 比值）、破坏肠道屏障功能、抑制肠道免疫。</div>
       <a class="link" href="https://www.sciencedirect.com/science/article/pii/S0160412023004650" target="_blank">🔗 https://doi.org/10.1016/j.envint.2023.108353</a>
-      <a class="ref-link-icon" href="img/ref-12.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-12.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-13" class="citation-card">
       <div class="source">[13] Nature Medicine (Springer Nature) · 2025 — 新墨西哥大学</div>
       <div class="findings">Nihart AJ, Campen M, et al. Bioaccumulation of microplastics in decedent human brains. <em>Nature Medicine</em>, 2025; 31: 1114–1119. 人脑微塑料浓度显著高于肝脏和肾脏；2016–2024年间浓度增加50%；痴呆症患者脑中微塑料浓度更高。</div>
       <a class="link" href="https://www.nature.com/articles/s41591-024-03453-1" target="_blank">🔗 https://www.nature.com/articles/s41591-024-03453-1</a>
-      <a class="ref-link-icon" href="img/ref-13.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-13.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-14" class="citation-card">
       <div class="source">[14] Best Practice & Research Clinical Endocrinology & Metabolism (Elsevier) · 2021 — 内分泌代谢领域临床综述权威期刊</div>
       <div class="findings">Biemann R, Blüher M, Isermann B. Exposure to endocrine-disrupting compounds such as phthalates and bisphenol A is associated with an increased risk for obesity. <em>Best Practice & Research Clinical Endocrinology & Metabolism</em>, 2021; 35(5): 101546. 综述塑化剂(邻苯二甲酸酯)和双酚A等内分泌干扰物暴露与肥胖风险的关联，揭示塑料化学物质通过干扰激素代谢促进肥胖的机制。</div>
       <a class="link" href="https://www.sciencedirect.com/science/article/pii/S1521690X21000634" target="_blank">🔗 ScienceDirect</a>
-      <a class="ref-link-icon" href="img/ref-14.png" target="_blank">📷 查看论文截图</a>
+      <a class="ref-link-icon" href="../img/ref-14.png" target="_blank">📷 查看论文截图</a>
     </div>
 
     <div id="ref-15" class="citation-card">
       <div class="source">[15] Endocrine and Metabolic Science (Elsevier) · 2026 — 内分泌代谢科学期刊</div>
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     <div id="ref-19" class="citation-card">
       <div class="source">[19] 科学网（中国科学院主办）· 2024 — 孙学军教授（第二军医大学）氢医学综述</div>
       <div class="findings">氢水的健康价值：抗炎症抗氧化【综述】。电解氢水具有抗氧化、抗炎、神经保护、抗凋亡、抗过敏等作用。与普通氢水相比，电解氢水的活性氧清除能力约为5倍。</div>
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@@ -1185,14 +1185,14 @@
       <a class="link" href="https://www.anses.fr/en/content/caps-glass-bottles-contaminate-beverages-microplastics" target="_blank">🔗 ANSES 官方报告</a>
       <br>
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-      <a class="ref-link-icon" href="img/ref-20.png" target="_blank">📷 查看论文截图</a>
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       <div class="source">[21] Heliyon (Cell Press) · 2024 — 南加州大学</div>
       <div class="findings">Wang Y, Wang Y. Assessing microplastic contamination in soda beverages: A multi-city, multi-container laser direct infrared spectroscopy study. <em>Heliyon</em>, 2024; 10(12): e32805. 对美国4城市同一品牌汽水的铝罐、玻璃瓶、塑料瓶三种包装检测发现：地理来源对微塑料含量的影响大于包装类型；铝罐和玻璃瓶因瓶盖/密封结构复杂，微塑料含量与塑料瓶无显著差异。</div>
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