fix(portal): 服务中心/指南页顶导航高亮——外链栏目匹配为当前栏目，首页不再误高亮（8 主题兜底 navServiceActive）

src/main/java/com/yunhai/cms/controller/portal/PortalController.java

@@ -343,6 +343,7 @@ public class PortalController {
         }
         String effectiveTheme = pageRenderer.resolveEffectiveTheme(site, "service.html");
         PortalUrlHelper url = buildUrl(site, request, effectiveTheme);
+        applyServiceNavHighlight(site, url, model);
 
         SvcItemPortalQuery query = new SvcItemPortalQuery();
         query.setSiteId(site.getId());
@@ -442,6 +443,7 @@ public class PortalController {
         }
         String effectiveTheme = pageRenderer.resolveEffectiveTheme(site, "guide.html");
         PortalUrlHelper url = buildUrl(site, request, effectiveTheme);
+        applyServiceNavHighlight(site, url, model);
         model.addAttribute("svcUnavailable", svcUnavailable);
         if (svcUnavailable) {
             addChromeAttributes(model, site, request, effectiveTheme, url, "服务中心 - " + site.getName());
@@ -515,6 +517,71 @@ public class PortalController {
         return "themes/" + effectiveTheme + "/guide";
     }
 
+    /**
+     * 服务中心/指南页的顶导航高亮：服务中心页不是栏目页，currentCategoryId 为空会让
+     * 皮肤 header 的"首页"误高亮。若站点导航里存在指向本站服务中心列表页的外链栏目
+     * （type=3，如"服务中心"），则把它视为当前栏目——既有高亮逻辑即同时达成
+     * "首页不高亮 + 服务中心高亮"；找不到匹配栏目时置 navServiceActive，
+     * 皮肤以该标记单独关闭"首页"高亮（无服务中心入口的站点保持原状）。
+     */
+    private void applyServiceNavHighlight(PortalSiteSnapshot site, PortalUrlHelper url, Model model) {
+        String servicePath = pathOf(url.serviceList());
+        Integer matched = null;
+        if (servicePath != null) {
+            for (PortalCategory cat : site.getCategories()) {
+                if (isServiceNavLink(cat, servicePath)) {
+                    matched = cat.getId();
+                    break;
+                }
+                for (PortalCategory sub : cat.getChildren()) {
+                    if (isServiceNavLink(sub, servicePath)) {
+                        matched = sub.getId();
+                        break;
+                    }
+                }
+                if (matched != null) {
+                    break;
+                }
+            }
+        }
+        if (matched != null) {
+            model.addAttribute("currentCategoryId", matched);
+        } else {
+            model.addAttribute("navServiceActive", true);
+        }
+    }
+
+    private boolean isServiceNavLink(PortalCategory cat, String servicePath) {
+        Integer type = cat.getType();
+        return type != null && type == CategoryTypeEnum.LINK.getCode()
+                && servicePath.equals(pathOf(cat.getLinkUrl()));
+    }
+
+    /** 取 URL 的归一化路径：剥 scheme://host / query / fragment / 尾斜杠（相对链接原样返回路径） */
+    private static String pathOf(String url) {
+        if (url == null) {
+            return null;
+        }
+        String u = url.trim();
+        int hash = u.indexOf('#');
+        if (hash >= 0) {
+            u = u.substring(0, hash);
+        }
+        int query = u.indexOf('?');
+        if (query >= 0) {
+            u = u.substring(0, query);
+        }
+        while (u.endsWith("/")) {
+            u = u.substring(0, u.length() - 1);
+        }
+        int scheme = u.indexOf("://");
+        if (scheme >= 0) {
+            int slash = u.indexOf('/', scheme + 3);
+            u = slash >= 0 ? u.substring(slash) : "";
+        }
+        return u.isEmpty() ? null : u;
+    }
+
     /** 门户页面公共骨架属性（P1-4 降级路径与正常路径共用；q/seoDescription 等页面特有属性由调用方补） */
     private void addChromeAttributes(Model model, PortalSiteSnapshot site, HttpServletRequest request,
                                      String effectiveTheme, PortalUrlHelper url, String pageTitle) {