feat: 产品/解决方案列表页描述

- 页面描述：为产品列表与解决方案列表添加页面描述
- 停产提示：在产品列表中提示停产产品使用搜索功能

app/components/pages/products/ProductHeader.vue

@@ -38,6 +38,10 @@
     <div class="product-info">
       <h1>{{ product.name }}</h1>
       <p class="summary">{{ product.summary }}</p>
+      <p v-if="product.status === 'discontinued'" class="discontinued-warning">
+        <el-icon><ElIconWarning /></el-icon>
+        {{ $t('product-discontinued-warning') }}
+      </p>
     </div>
   </div>
 </template>
@@ -105,6 +109,10 @@
     margin-bottom: 2rem;
   }
 
+  .discontinued-warning {
+    color: var(--el-color-error);
+  }
+
   @media (max-width: 768px) {
     .product-header {
       grid-template-columns: 1fr;

app/pages/products/index.vue

@@ -1,7 +1,13 @@
 <template>
   <div class="page-container">
     <div class="page-header">
-      <h1 class="page-title">{{ $t('our-products') }}</h1>
+      <div>
+        <h1 class="page-title">{{ $t('our-products') }}</h1>
+        <p class="page-subtitle">
+          {{ $t('products-desc') }}{{ $t('find-discontinued-products') }}
+        </p>
+      </div>
+
       <app-breadcrumb class="breadcrumb" :items="breadcrumbItems" />
     </div>
     <div v-if="!pending" class="page-content">
@@ -102,13 +108,18 @@
 
   .page-header {
     display: flex;
+    margin-bottom: 1rem;
   }
 
   .page-title {
     font-size: 2rem;
     font-weight: bold;
     color: var(--el-color-primary);
-    margin-bottom: 1rem;
+  }
+
+  .page-subtitle {
+    font-size: 0.8rem;
+    color: var(--el-text-color-secondary);
   }
 
   .breadcrumb {

app/pages/solutions/index.vue

@@ -1,7 +1,11 @@
 <template>
   <div class="page-container">
     <div class="page-header">
-      <h1 class="page-title">{{ $t('learn-our-solutions') }}</h1>
+      <div>
+        <h1 class="page-title">{{ $t('learn-our-solutions') }}</h1>
+        <p class="page-subtitle">{{ $t('solutions-desc') }}</p>
+      </div>
+
       <app-breadcrumb class="breadcrumb" :items="breadcrumbItems" />
     </div>
     <div v-if="!pending" class="solutions-container">
@@ -94,15 +98,20 @@
 
   .page-header {
     display: flex;
+    margin-bottom: 1rem;
   }
 
   .page-title {
     font-size: 2rem;
     font-weight: bold;
-    margin-bottom: 1rem;
     color: var(--el-color-primary);
   }
 
+  .page-subtitle {
+    font-size: 0.8rem;
+    color: var(--el-text-color-secondary);
+  }
+
   .breadcrumb {
     margin-left: auto;
   }