fix: cardColorClass/jrscCardColorClass 需声明在 methods 中才可在模板使用

Vue 2 中 import 的函数不会自动暴露给模板，需要在 methods 选项中注册。

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

txw-mhzc-web/src/pages/index/views/fwsc/fwsc.vue

@@ -479,6 +479,7 @@ export default {
     isActiveTab(path) {
       return this.$route.path === path;
     },
+    cardColorClass,
     goToTab({path, disable, url}) {
       if (url) {
         window.open(url, '_blank', 'noopener,noreferrer');

txw-mhzc-web/src/pages/index/views/fwsc/jrsc.vue

@@ -630,6 +630,7 @@ export default {
     isActiveTab(path) {
       return this.$route.path === path;
     },
+    jrscCardColorClass,
     goToTab(path) {
       this.$router.push(path);
     },

txw-mhzc-web/src/pages/index/views/fwsc/sjsc.vue

@@ -412,6 +412,7 @@ export default {
     isActiveTab(path) {
       return this.$route.path === path;
     },
+    cardColorClass,
     goToTab({ path, disable, url }) {
       if (url) {
         window.open(url, '_blank', 'noopener,noreferrer');

txw-mhzc-web/src/pages/index/views/fwsc/xqsc.vue

@@ -458,6 +458,7 @@ export default {
     isActiveTab(path) {
       return this.$route.path === path;
     },
+    cardColorClass,
     goToTab({path, disable, url}) {
       if (url) {
         window.open(url, '_blank', 'noopener,noreferrer');