feat: 共性能力平台标签同步应用颜色区分

GxnlptCardTags 引入 tagColorClass + market-tag-colors mixin
标签按类别分色(蓝核算/绿交易/橙认证/紫数据)，hover 放大

Co-Authored-By: Claude <noreply@anthropic.com>

txw-mhzc-web/src/pages/index/views/gxnlpt/components/GxnlptCardTags.vue

@@ -15,7 +15,7 @@
         <span
           v-for="(tag, ti) in visibleTags"
           :key="`visible-${ti}-${tag}`"
-          class="gxnlpt-tag"
+          :class="['gxnlpt-tag', tagColorClass(tag)]"
           :title="tag"
         >{{ tag }}</span>
         <span
@@ -31,7 +31,7 @@
         v-for="(tag, ti) in tags"
         :key="`measure-${ti}-${tag}`"
         ref="measureTag"
-        class="gxnlpt-tag"
+        :class="['gxnlpt-tag', tagColorClass(tag)]"
       >{{ tag }}</span>
       <span ref="measureEllipsis" class="gxnlpt-tag gxnlpt-tag-ellipsis">...</span>
     </div>
@@ -39,6 +39,7 @@
 </template>
 
 <script>
+import { tagColorClass } from '@/pages/index/utils/card-category';
 import {
   calcTagOverflowLayout,
   formatHiddenTagsTooltip,
@@ -102,6 +103,7 @@ export default {
     }
   },
   methods: {
+    tagColorClass,
     resetAndMeasure() {
       const n = this.normalizedTags.length;
       // 测量前先保守展示，避免先渲染整行标签再被裁成「组…」
@@ -229,6 +231,7 @@ export default {
 
 <style lang="less" scoped>
 @import '../../../styles/home-figma-variables.less';
+@import '../../../styles/market-list-variables.less';
 
 .gxnlpt-card-tags {
   position: relative;
@@ -278,12 +281,15 @@ export default {
   font-size: 13px;
   font-weight: 400;
   line-height: 20px;
-  color: #00b96b;
+  color: @market-tag-color;
   white-space: nowrap;
-  background: #eefae2;
+  background: @market-tag-bg;
   border: none;
   border-radius: 4px;
   box-sizing: border-box;
+  transition: transform 0.15s ease;
+  &:hover { transform: scale(1.06); }
+  .market-tag-colors();
 }
 
 .gxnlpt-tag-ellipsis {