feat: 商家介绍拼接

src/pages-sub/detail/index.vue

@@ -39,7 +39,11 @@ const images = computed(() => {
   );
 });
 const badge = computed(() => merchant.value?.type_label || "");
-const introTitle = computed(() => String(merchant.value?.intro_label || "").trim() || "介绍");
+/** 介绍卡标题：接口 intro_label + 「介绍」 */
+const introTitle = computed(() => {
+  const label = String(merchant.value?.intro_label || "").trim();
+  return label ? `${label}介绍` : "介绍";
+});
 const addressText = computed(() => merchant.value?.address || "");
 const phone = computed(() => merchant.value?.contact_phone || "");
 const businessHours = computed(() => merchant.value?.business_hours || "");
@@ -190,7 +194,7 @@ onShareAppMessage(() => ({
         </view>
       </view>
 
-      <!-- 介绍卡（标题直接取接口 intro_label） -->
+      <!-- 介绍卡（标题＝接口 intro_label + 介绍） -->
       <view v-if="merchant.description" :class="CARD">
         <view class="flex items-center gap-2 text-[16px] font-bold tracking-[-0.3px] text-ink deco-titledot">
           {{ introTitle }}