diff --git a/app/static/portal/employee-operations/nl2sql/index.html b/app/static/portal/employee-operations/nl2sql/index.html
index 886feef..70169cb 100644
--- a/app/static/portal/employee-operations/nl2sql/index.html
+++ b/app/static/portal/employee-operations/nl2sql/index.html
@@ -7,6 +7,7 @@
+
diff --git a/app/static/portal/employee-operations/nl2sql/nl2sql.css b/app/static/portal/employee-operations/nl2sql/nl2sql.css
new file mode 100644
index 0000000..a8cc7ec
--- /dev/null
+++ b/app/static/portal/employee-operations/nl2sql/nl2sql.css
@@ -0,0 +1,8 @@
+/* NL2SQL 页面的专属样式入口。
+ *
+ * 本页当前复用 `operator-workspace.css`,这里暂时没有需要覆盖的规则。
+ * 文件的存在是**约定**:门户每个页面都要有与目录同名的 js/css 入口
+ * (`tests/unit/api/test_portal_frontend.py` 的
+ * `test_every_portal_page_has_local_js_and_css_entry` 守着这条)——
+ * 这样页面将来需要专属样式时有确定的位置,而不是继续往共用文件里堆。
+ */
diff --git a/app/static/portal/employee-operations/offsite/index.html b/app/static/portal/employee-operations/offsite/index.html
index ce76e1a..cd72274 100644
--- a/app/static/portal/employee-operations/offsite/index.html
+++ b/app/static/portal/employee-operations/offsite/index.html
@@ -7,6 +7,7 @@
+
diff --git a/app/static/portal/employee-operations/offsite/offsite.css b/app/static/portal/employee-operations/offsite/offsite.css
new file mode 100644
index 0000000..4715aad
--- /dev/null
+++ b/app/static/portal/employee-operations/offsite/offsite.css
@@ -0,0 +1,8 @@
+/* 场外基金运营页面的专属样式入口。
+ *
+ * 本页当前复用 `operator-workspace.css`,这里暂时没有需要覆盖的规则。
+ * 文件的存在是**约定**:门户每个页面都要有与目录同名的 js/css 入口
+ * (`tests/unit/api/test_portal_frontend.py` 的
+ * `test_every_portal_page_has_local_js_and_css_entry` 守着这条)——
+ * 这样页面将来需要专属样式时有确定的位置,而不是继续往共用文件里堆。
+ */
diff --git a/app/static/portal/employee-operations/promotion/index.html b/app/static/portal/employee-operations/promotion/index.html
index 0703879..150c94c 100644
--- a/app/static/portal/employee-operations/promotion/index.html
+++ b/app/static/portal/employee-operations/promotion/index.html
@@ -7,6 +7,7 @@
+
diff --git a/app/static/portal/employee-operations/promotion/promotion.css b/app/static/portal/employee-operations/promotion/promotion.css
new file mode 100644
index 0000000..995c3ce
--- /dev/null
+++ b/app/static/portal/employee-operations/promotion/promotion.css
@@ -0,0 +1,8 @@
+/* 产品推介材料页面的专属样式入口。
+ *
+ * 本页当前复用 `operator-workspace.css`,这里暂时没有需要覆盖的规则。
+ * 文件的存在是**约定**:门户每个页面都要有与目录同名的 js/css 入口
+ * (`tests/unit/api/test_portal_frontend.py` 的
+ * `test_every_portal_page_has_local_js_and_css_entry` 守着这条)——
+ * 这样页面将来需要专属样式时有确定的位置,而不是继续往共用文件里堆。
+ */