feat(portal): 门户左侧栏目导航+首页视觉升级+主题正名批次-PortalSideNav模型+attachCategoryNavigation注入doCategory/doArticle三件套categoryPath/navTopId/sideNav(站点快照树推导零新增查询,home/search不注入);7主题侧栏两栏markup+窄屏横滚+顶导航祖先高亮+二级下拉当前项高亮+面包屑全路径;cms_category.home_style全链路(news_grid 16条8x2日期前缀/media_focus形态)+PortalListData.Item补source来源徽标四处装配;Banner机制gallery展示位→galleryBanners四列大图轮播(自由字符串零DDL);页脚config 12新键(footer_addresses多校区/qr_*/social_*含URL校验,footerAddressLines由PortalSiteSnapshot.of拆行派生);新增展示型皮肤包campus-glow;fresh-mint2正名fresh-mint(theme.json/头注释同步);AttachmentService scene白名单加category(单页富文本贴图免清孤儿);新增PortalSideNavIT 8+PortalHomeBlocksIT 3,CategoryServiceIT/SiteServiceIT/PortalSsrIT/ThemeContractIT等单类独跑全绿;附sql/clear_cms_data.sql全量清库脚本(清cms_*六表留平台账号/主题包/上传文件,测试数据重走用)

src/main/resources/templates/themes/scholar-blue/single.html

@@ -5,11 +5,29 @@
 <header th:replace="~{${themeBase} + '/fragments/header' :: header}"></header>
 
 <main class="sp-page sp-container" id="main-content">
-    <div class="sp-page-card">
+    <div class="sp-cols">
+        <!-- 左侧栏目导航（docs/11）：模块有二级子栏目时展示"模块名 + 全部兄弟" -->
+        <aside class="sp-side-nav" th:if="${sideNav != null}" aria-label="栏目导航">
+            <div class="sp-side-nav-head" th:text="${sideNav.top.name}">模块名</div>
+            <ul class="sp-side-nav-list">
+                <li class="sp-side-nav-item" th:each="item : ${sideNav.items}"
+                    th:classappend="${item.id == sideNav.activeId} ? 'active'">
+                    <a th:if="${item.type == 3}" th:href="${item.linkUrl}" target="_blank" rel="noopener"
+                       th:text="${item.name}">子栏目</a>
+                    <a th:unless="${item.type == 3}" th:href="${url.category(item.id)}" th:text="${item.name}">子栏目</a>
+                </li>
+            </ul>
+        </aside>
+
+        <div class="sp-page-card">
         <nav class="sp-crumb" aria-label="面包屑">
             <a th:href="${url.home()}">首页</a>
-            <span class="sp-crumb-sep" aria-hidden="true">/</span>
-            <span class="sp-crumb-current" th:text="${category.name}">栏目</span>
+            <th:block th:each="node, st : ${categoryPath}">
+                <span class="sp-crumb-sep" aria-hidden="true">/</span>
+                <a th:if="${!st.last}" class="crumb-parent" th:href="${url.category(node.id)}"
+                   th:text="${node.name}">父栏目</a>
+                <span class="sp-crumb-current" th:if="${st.last}" th:text="${node.name}">栏目</span>
+            </th:block>
         </nav>
 
         <article class="sp-article">
@@ -22,6 +40,7 @@
                 <p class="sp-empty-hint">内容编辑后将在此展示</p>
             </div>
         </article>
+        </div>
     </div>
 </main>