fix(sales): update article count from 2→1 after turmeric article removal

web/sales/index.html

@@ -476,7 +476,7 @@
 
   <!-- ===== 营养与抗炎 ===== -->
   <div class="category">
-    <h2 class="category-title" id="nutrition">🌿 营养与抗炎 <span class="count">2篇</span></h2>
+    <h2 class="category-title" id="nutrition">🌿 营养与抗炎 <span class="count">1篇</span></h2>
     <div class="card-grid">
 
       <a href="../articles/turmeric.html" class="card amber">