diff --git a/frontend-web/.env.example b/frontend-web/.env.example
index 1b3d80bb..eea12c4c 100644
--- a/frontend-web/.env.example
+++ b/frontend-web/.env.example
@@ -50,4 +50,6 @@
 # 可选
 # VITE_CANVAS_LANGGRAPH_BASE_URL=
 # VITE_STATIC_WEBSITE_ONLY=
+# 部署级紧凑导航：true 时固定收起工作台左侧栏，并隐藏换肤与全量/简洁模式切换。
+# VITE_FORCE_COLLAPSED_SIDEBAR=false
 # VITE_GITHUB_OAUTH_TOKEN=
diff --git a/frontend-web/public/runtime-config.js b/frontend-web/public/runtime-config.js
index 139e781d..eeed8fc9 100644
--- a/frontend-web/public/runtime-config.js
+++ b/frontend-web/public/runtime-config.js
@@ -19,12 +19,15 @@ window.__CM_RUNTIME_CONFIG__ = {
   VITE_BRAND_LOGO_LIGHT_URL: "brand-assets/brand-logo-light.png",
   // 浅蓝主题的顶栏系统 Logo 图片地址。
   VITE_BRAND_LOGO_LIGHTBLUE_URL: "brand-assets/brand-logo-lightblue.png",
+  // 绿色主题可单独替换 Logo；默认复用浅色 Logo。
+  VITE_BRAND_LOGO_LIGHTGREEN_URL: "brand-assets/brand-logo-light.png",
   // 深色主题的顶栏系统 Logo 图片地址。
   VITE_BRAND_LOGO_DARK_URL: "brand-assets/brand-logo-dark.png",
   // 红白主题的欢迎页 Logo 图片地址：为空时显示原有 CM 文字和渐变背景。
   VITE_BRAND_WELCOME_LIGHT_URL: "",
   // 浅蓝主题的欢迎页 Logo 图片地址：为空时显示原有 CM 文字和渐变背景。
   VITE_BRAND_WELCOME_LIGHTBLUE_URL: "",
+  VITE_BRAND_WELCOME_LIGHTGREEN_URL: "",
   // 深色主题的欢迎页 Logo 图片地址：为空时显示原有 CM 文字和渐变背景。
   VITE_BRAND_WELCOME_DARK_URL: "",
 
@@ -112,6 +115,10 @@ window.__CM_RUNTIME_CONFIG__ = {
   // 静态站点模式开关；一般部署业务系统时保持 false。
   VITE_STATIC_WEBSITE_ONLY: "false",
 
+  // 紧凑导航开关：true 时固定使用简洁布局，工作台左侧栏收起为菜单图标，
+  // 隐藏系统 Logo、换肤按钮以及“全量/简洁模式”切换。修改后刷新页面即可生效。
+  VITE_FORCE_COLLAPSED_SIDEBAR: "false",
+
   // GitHub OAuth Token；不使用 GitHub 相关能力时留空。
   VITE_GITHUB_OAUTH_TOKEN: "",
 };
diff --git a/frontend-web/src/App.tsx b/frontend-web/src/App.tsx
index a4a67c48..e3978689 100644
--- a/frontend-web/src/App.tsx
+++ b/frontend-web/src/App.tsx
@@ -86,7 +86,7 @@ function AppProviders({ children }: { children: React.ReactNode }) {
       attribute="class"
       storageKey="strategy-theme"
       defaultTheme="light"
-      themes={["light", "dark", "lightblue"]}
+      themes={["light", "dark", "lightblue", "lightgreen"]}
       enableSystem={false}
       disableTransitionOnChange
       forcedTheme={forcedTheme}
diff --git a/frontend-web/src/components/ui/sidebar.tsx b/frontend-web/src/components/ui/sidebar.tsx
index f544abf3..3f38c6ff 100644
--- a/frontend-web/src/components/ui/sidebar.tsx
+++ b/frontend-web/src/components/ui/sidebar.tsx
@@ -57,18 +57,21 @@ function useSidebarSafe() {
   return React.useContext(SidebarContext);
 }
 
-function SidebarProvider({
-  defaultOpen = true,
-  open: openProp,
-  onOpenChange: setOpenProp,
-  className,
+function SidebarProvider({
+  defaultOpen = true,
+  open: openProp,
+  onOpenChange: setOpenProp,
+  disableToggle = false,
+  className,
   style,
   children,
   ...props
-}: React.ComponentProps<"div"> & {
-  defaultOpen?: boolean;
-  open?: boolean;
-  onOpenChange?: (open: boolean) => void;
+}: React.ComponentProps<"div"> & {
+  defaultOpen?: boolean;
+  open?: boolean;
+  onOpenChange?: (open: boolean) => void;
+  /** Keep a controlled deployment-level rail from being reopened by hotkeys. */
+  disableToggle?: boolean;
 }) {
   const isMobile = useIsMobile();
   const [openMobile, setOpenMobile] = React.useState(false);
@@ -92,10 +95,11 @@ function SidebarProvider({
     [setOpenProp, open],
   );
 
-  // Helper to toggle the sidebar.
-  const toggleSidebar = React.useCallback(() => {
-    return isMobile ? setOpenMobile((open) => !open) : setOpen((open) => !open);
-  }, [isMobile, setOpen, setOpenMobile]);
+  // Helper to toggle the sidebar.
+  const toggleSidebar = React.useCallback(() => {
+    if (disableToggle) return;
+    return isMobile ? setOpenMobile((open) => !open) : setOpen((open) => !open);
+  }, [disableToggle, isMobile, setOpen, setOpenMobile]);
 
   // Adds a keyboard shortcut to toggle the sidebar.
   React.useEffect(() => {
diff --git a/frontend-web/src/components/workspace/appearance-controls.tsx b/frontend-web/src/components/workspace/appearance-controls.tsx
index c11534b0..0f159a88 100644
--- a/frontend-web/src/components/workspace/appearance-controls.tsx
+++ b/frontend-web/src/components/workspace/appearance-controls.tsx
@@ -15,6 +15,7 @@ import {
 } from "@/components/ui/dropdown-menu";
 import { useTheme, type ThemeType } from "@/contexts/ThemeContext";
 import { useAppearanceSettings, useLayoutMode } from "@/core/system-settings/hooks";
+import { env } from "@/env";
 import { cn } from "@/lib/utils";
 import { buildLightAppUrl } from "@/strategy-components/lib/light-app";
 
@@ -29,6 +30,7 @@ export type AppearanceControlTone = "banner-dark" | "banner-light" | "content";
 // 换肤色板：红色=红白主题(light)，蓝色=浅蓝主题(lightblue)，深蓝色=深色主题(dark)
 export const THEME_SWATCHES: { id: ThemeType; label: string; color: string }[] = [
   { id: "light", label: "红色", color: "#cf1322" },
+  { id: "lightgreen", label: "绿色", color: "#07c05f" },
   { id: "lightblue", label: "蓝色", color: "#0062d9" },
   { id: "dark", label: "深蓝色", color: "#002466" },
 ];
@@ -95,6 +97,8 @@ export function ThemeSwitcher({ tone }: { tone: AppearanceControlTone }) {
 
   useEffect(() => () => cancelClose(), []);
 
+  if (env.FORCE_COLLAPSED_SIDEBAR) return null;
+
   return (
     <div
       className="relative"
@@ -185,6 +189,8 @@ export function LayoutModeSwitcher({
   const current = mode ?? fallback;
   const TriggerIcon = current === "full" ? PanelLeftIcon : LayoutIcon;
 
+  if (env.FORCE_COLLAPSED_SIDEBAR) return null;
+
   return (
     <DropdownMenu>
       <DropdownMenuTrigger asChild>
diff --git a/frontend-web/src/components/workspace/settings/appearance-settings-page.tsx b/frontend-web/src/components/workspace/settings/appearance-settings-page.tsx
index 162d710b..657cb6f9 100644
--- a/frontend-web/src/components/workspace/settings/appearance-settings-page.tsx
+++ b/frontend-web/src/components/workspace/settings/appearance-settings-page.tsx
@@ -7,6 +7,7 @@ import {
   ExternalLink,
   LayoutGridIcon,
   LayoutIcon,
+  LeafIcon,
   ListIcon,
   MoonIcon,
   PanelLeftIcon,
@@ -70,7 +71,7 @@ const languageOptions: { value: Locale; label: string }[] = [
   { value: "zh-CN", label: zhCN.locale.localName },
 ];
 
-const DEFAULT_SHORTCUT_THEME_MAP = "red=red;blue=blue;dark-blue=dark-blue";
+const DEFAULT_SHORTCUT_THEME_MAP = "red=red;green=green;blue=blue;dark-blue=dark-blue";
 
 function makeShortcutId() {
   if (typeof crypto !== "undefined" && "randomUUID" in crypto) {
@@ -211,14 +212,20 @@ export function AppearanceSettingsPage({ onClose }: { onClose?: () => void }) {
     }
   };
 
-  const handleSetGlobalDefault = async (
-    value: "light" | "dark" | "lightblue",
+  const handleSetGlobalDefault = async (
+    value: "light" | "dark" | "lightblue" | "lightgreen",
   ) => {
     if (value === globalDefault) return;
     try {
       await updateAppearance.mutateAsync({ default_theme: value });
-      const label =
-        value === "light" ? "浅色" : value === "dark" ? "深色" : "浅蓝";
+      const label =
+        value === "light"
+          ? "浅色"
+          : value === "dark"
+            ? "深色"
+            : value === "lightgreen"
+              ? "绿色"
+              : "浅蓝";
       toast.success(`已将系统默认主题设置为${label}`);
     } catch (e) {
       toast.error(e instanceof Error ? e.message : "保存失败");
@@ -368,20 +375,28 @@ export function AppearanceSettingsPage({ onClose }: { onClose?: () => void }) {
         description: t.settings.appearance.darkDescription,
         icon: MoonIcon,
       },
-      {
-        id: "lightblue",
-        label: t.settings.appearance.lightblue,
-        description: t.settings.appearance.lightblueDescription,
-        icon: DropletIcon,
-      },
+      {
+        id: "lightblue",
+        label: t.settings.appearance.lightblue,
+        description: t.settings.appearance.lightblueDescription,
+        icon: DropletIcon,
+      },
+      {
+        id: "lightgreen",
+        label: t.settings.appearance.lightgreen,
+        description: t.settings.appearance.lightgreenDescription,
+        icon: LeafIcon,
+      },
     ],
     [
       t.settings.appearance.dark,
       t.settings.appearance.darkDescription,
       t.settings.appearance.light,
       t.settings.appearance.lightDescription,
-      t.settings.appearance.lightblue,
-      t.settings.appearance.lightblueDescription,
+      t.settings.appearance.lightblue,
+      t.settings.appearance.lightblueDescription,
+      t.settings.appearance.lightgreen,
+      t.settings.appearance.lightgreenDescription,
     ],
   );
 
@@ -399,7 +414,7 @@ export function AppearanceSettingsPage({ onClose }: { onClose?: () => void }) {
               label={option.label}
               description={option.description}
               active={currentTheme === option.id}
-              mode={option.id as "light" | "dark" | "lightblue"}
+              mode={option.id as "light" | "dark" | "lightblue" | "lightgreen"}
               onSelect={(value) => setTheme(value)}
             />
           ))}
@@ -541,23 +556,35 @@ export function AppearanceSettingsPage({ onClose }: { onClose?: () => void }) {
                 <MoonIcon className="mr-1.5 size-4" />
                 深色
               </Button>
-              <Button
-                type="button"
-                variant={globalDefault === "lightblue" ? "default" : "outline"}
+              <Button
+                type="button"
+                variant={globalDefault === "lightblue" ? "default" : "outline"}
                 size="sm"
                 onClick={() => void handleSetGlobalDefault("lightblue")}
                 disabled={updateAppearance.isPending}
               >
                 <DropletIcon className="mr-1.5 size-4" />
-                浅蓝
-              </Button>
+                浅蓝
+              </Button>
+              <Button
+                type="button"
+                variant={globalDefault === "lightgreen" ? "default" : "outline"}
+                size="sm"
+                onClick={() => void handleSetGlobalDefault("lightgreen")}
+                disabled={updateAppearance.isPending}
+              >
+                <LeafIcon className="mr-1.5 size-4" />
+                绿色
+              </Button>
               <p className="text-muted-foreground ml-2 text-xs">
                 当前系统默认：
                 {globalDefault === "light"
                   ? "浅色"
-                  : globalDefault === "dark"
-                    ? "深色"
-                    : "浅蓝"}
+                  : globalDefault === "dark"
+                    ? "深色"
+                    : globalDefault === "lightgreen"
+                      ? "绿色"
+                      : "浅蓝"}
               </p>
             </div>
           </SettingsSection>
@@ -1074,8 +1101,8 @@ function ThemePreviewCard({
   label: string;
   description: string;
   active: boolean;
-  mode: "light" | "dark" | "lightblue";
-  onSelect: (mode: "light" | "dark" | "lightblue") => void;
+  mode: "light" | "dark" | "lightblue" | "lightgreen";
+  onSelect: (mode: "light" | "dark" | "lightblue" | "lightgreen") => void;
 }) {
   const previewMode = mode;
   return (
@@ -1104,10 +1131,12 @@ function ThemePreviewCard({
         className={cn(
           "relative overflow-hidden rounded-md border text-xs transition-colors",
           previewMode === "dark"
-            ? "border-neutral-800 bg-neutral-900 text-neutral-200"
-            : previewMode === "lightblue"
-              ? "border-blue-200 bg-white text-slate-900"
-              : "border-slate-200 bg-white text-slate-900",
+            ? "border-neutral-800 bg-neutral-900 text-neutral-200"
+            : previewMode === "lightblue"
+              ? "border-blue-200 bg-white text-slate-900"
+              : previewMode === "lightgreen"
+                ? "border-emerald-200 bg-white text-emerald-950"
+                : "border-slate-200 bg-white text-slate-900",
         )}
       >
         <div className="border-border/50 flex items-center gap-2 border-b px-3 py-2">
@@ -1115,10 +1144,12 @@ function ThemePreviewCard({
             className={cn(
               "h-2 w-2 rounded-full",
               previewMode === "dark"
-                ? "bg-emerald-400"
-                : previewMode === "lightblue"
-                  ? "bg-blue-500"
-                  : "bg-emerald-500",
+                ? "bg-emerald-400"
+                : previewMode === "lightblue"
+                  ? "bg-blue-500"
+                  : previewMode === "lightgreen"
+                    ? "bg-[#07c05f]"
+                    : "bg-[#cf1322]",
             )}
           />
           <div className="h-2 w-10 rounded-full bg-current/20" />
diff --git a/frontend-web/src/components/workspace/workspace-sidebar.tsx b/frontend-web/src/components/workspace/workspace-sidebar.tsx
index 39206d90..331b97b9 100644
--- a/frontend-web/src/components/workspace/workspace-sidebar.tsx
+++ b/frontend-web/src/components/workspace/workspace-sidebar.tsx
@@ -20,11 +20,15 @@ import { WorkspaceHeader } from "./workspace-header";
 import { WorkspaceNavChatList } from "./workspace-nav-chat-list";
 import { WorkspaceNavMenu } from "./workspace-nav-menu";
 
-export function WorkspaceSidebar({
-  compactChrome = false,
-  className,
-  ...props
-}: React.ComponentProps<typeof Sidebar> & { compactChrome?: boolean }) {
+export function WorkspaceSidebar({
+  compactChrome = false,
+  forceCollapsed = false,
+  className,
+  ...props
+}: React.ComponentProps<typeof Sidebar> & {
+  compactChrome?: boolean;
+  forceCollapsed?: boolean;
+}) {
   const { open: isSidebarOpen } = useSidebar();
   const { theme } = useTheme();
   const pathname = usePathname();
@@ -32,8 +36,26 @@ export function WorkspaceSidebar({
   // 通用问答（全量模式）左栏：新建回答 → 常用智能体 → 聊天记录（需求 0616 #1）。
   // 仅在通用问答（/page/workspace/chats*）下启用三块式布局；点击常用智能体后是
   // 「原地嵌入」（停留在 /chats/new?agent=...，仅右侧问答区换成智能体对话），左侧栏不变。
-  const isGeneralQa = pathname.startsWith("/page/workspace/chats");
-
+  const isGeneralQa = pathname.startsWith("/page/workspace/chats");
+
+  if (forceCollapsed) {
+    return (
+      <Sidebar
+        variant="sidebar"
+        collapsible="icon"
+        className={cn(
+          "bg-sidebar [&_[data-slot=sidebar-inner]]:bg-sidebar",
+          className,
+        )}
+        {...props}
+      >
+        <SidebarContent>
+          <WorkspaceNavChatList />
+        </SidebarContent>
+      </Sidebar>
+    );
+  }
+
   // 紧凑模式：用「外层定宽容器 + transition-[width]」做展开/收起过渡动画。
   // collapsible="none" 的 Sidebar 是普通 in-flow 定宽块（非 absolute，故不受本布局对
   // sidebar-container 的 absolute/left-0 覆盖影响），外层 overflow-hidden 把它从
diff --git a/frontend-web/src/contexts/ThemeContext.tsx b/frontend-web/src/contexts/ThemeContext.tsx
index 004900f9..ece09321 100644
--- a/frontend-web/src/contexts/ThemeContext.tsx
+++ b/frontend-web/src/contexts/ThemeContext.tsx
@@ -10,7 +10,7 @@ import { useTheme as useNextTheme } from 'next-themes';
 import { useAppearanceSettings } from '@/core/system-settings/hooks';
 
 // 主题类型
-export type ThemeType = 'dark' | 'light' | 'lightblue';
+export type ThemeType = 'dark' | 'light' | 'lightblue' | 'lightgreen';
 
 // 主题配置
 export interface ThemeConfig {
@@ -104,6 +104,28 @@ const themes: Record<ThemeType, ThemeConfig> = {
       overlay: 'black/30',
     },
   },
+  lightgreen: {
+    type: 'lightgreen',
+    name: '绿色主题',
+    colors: {
+      background: 'white',
+      backgroundSecondary: 'emerald-50',
+      text: 'emerald-950',
+      textSecondary: 'emerald-800',
+      primary: 'emerald-600',
+      primaryHover: 'emerald-500',
+      border: 'emerald-200',
+      accent: 'emerald-700',
+      success: 'emerald-600',
+      warning: 'amber-500',
+      error: 'red-600',
+      card: 'white',
+      cardHover: 'emerald-50',
+      input: 'white',
+      inputBorder: 'emerald-200',
+      overlay: 'black/30',
+    },
+  },
 };
 
 const STORAGE_KEY = 'strategy-theme';
@@ -121,6 +143,7 @@ function readPersistedTheme(): ThemeType {
   const saved = localStorage.getItem(STORAGE_KEY);
   if (saved === 'dark') return 'dark';
   if (saved === 'lightblue') return 'lightblue';
+  if (saved === 'lightgreen') return 'lightgreen';
   return 'light';
 }
 
@@ -179,7 +202,8 @@ export const ThemeProvider: React.FC<ThemeProviderProps> = ({ children }) => {
       current &&
       current !== 'light' &&
       current !== 'dark' &&
-      current !== 'lightblue'
+      current !== 'lightblue' &&
+      current !== 'lightgreen'
     ) {
       // Garbage value — wipe it so the boot-sync below can take over.
       localStorage.removeItem(STORAGE_KEY);
@@ -216,6 +240,8 @@ export const ThemeProvider: React.FC<ThemeProviderProps> = ({ children }) => {
       ? 'dark'
       : effectiveTheme === 'lightblue'
         ? 'lightblue'
+        : effectiveTheme === 'lightgreen'
+          ? 'lightgreen'
         : 'light'
     : readPersistedTheme();
 
@@ -234,8 +260,8 @@ export const ThemeProvider: React.FC<ThemeProviderProps> = ({ children }) => {
     root.removeAttribute('theme-mode');
     root.classList.remove('dark');
 
-    if (theme === 'lightblue') {
-      root.setAttribute('data-theme', 'lightblue');
+    if (theme === 'lightblue' || theme === 'lightgreen') {
+      root.setAttribute('data-theme', theme);
     } else {
       root.removeAttribute('data-theme');
     }
diff --git a/frontend-web/src/core/branding/brand-assets.ts b/frontend-web/src/core/branding/brand-assets.ts
index b78cebb9..127075e5 100644
--- a/frontend-web/src/core/branding/brand-assets.ts
+++ b/frontend-web/src/core/branding/brand-assets.ts
@@ -3,23 +3,26 @@ import fallbackLogoLight from "@/assets/img/brand-logo-light.png";
 import fallbackLogoLightblue from "@/assets/img/brand-logo-lightblue.png";
 import { readRuntimeEnv } from "@/env";
 
-export type BrandTheme = "light" | "lightblue" | "dark";
+export type BrandTheme = "light" | "lightblue" | "lightgreen" | "dark";
 
 const headerFallbackAssets: Record<BrandTheme, string> = {
   light: fallbackLogoLight,
   lightblue: fallbackLogoLightblue,
+  lightgreen: fallbackLogoLight,
   dark: fallbackLogoDark,
 };
 
 const headerRuntimeKeys: Record<BrandTheme, string> = {
   light: "VITE_BRAND_LOGO_LIGHT_URL",
   lightblue: "VITE_BRAND_LOGO_LIGHTBLUE_URL",
+  lightgreen: "VITE_BRAND_LOGO_LIGHTGREEN_URL",
   dark: "VITE_BRAND_LOGO_DARK_URL",
 };
 
 const welcomeRuntimeKeys: Record<BrandTheme, string> = {
   light: "VITE_BRAND_WELCOME_LIGHT_URL",
   lightblue: "VITE_BRAND_WELCOME_LIGHTBLUE_URL",
+  lightgreen: "VITE_BRAND_WELCOME_LIGHTGREEN_URL",
   dark: "VITE_BRAND_WELCOME_DARK_URL",
 };
 
diff --git a/frontend-web/src/core/i18n/locales/en-US.ts b/frontend-web/src/core/i18n/locales/en-US.ts
index 3844d46e..cc28ffee 100644
--- a/frontend-web/src/core/i18n/locales/en-US.ts
+++ b/frontend-web/src/core/i18n/locales/en-US.ts
@@ -448,11 +448,13 @@ export const enUS: Translations = {
       system: "System",
       light: "Light",
       dark: "Dark",
-      lightblue: "Light Blue",
+      lightblue: "Light Blue",
+      lightgreen: "Green",
       systemDescription: "Match the operating system preference automatically.",
       lightDescription: "Bright palette with higher contrast for daytime.",
       darkDescription: "Dim palette that reduces glare for focus.",
-      lightblueDescription: "A crisp light palette built around blue.",
+      lightblueDescription: "A crisp light palette built around blue.",
+      lightgreenDescription: "A crisp light palette built around WeKnora green.",
       languageTitle: "Language",
       languageDescription: "Switch between languages.",
     },
diff --git a/frontend-web/src/core/i18n/locales/types.ts b/frontend-web/src/core/i18n/locales/types.ts
index 6f21b24a..29783587 100644
--- a/frontend-web/src/core/i18n/locales/types.ts
+++ b/frontend-web/src/core/i18n/locales/types.ts
@@ -383,11 +383,13 @@ export interface Translations {
       system: string;
       light: string;
       dark: string;
-      lightblue: string;
+      lightblue: string;
+      lightgreen: string;
       systemDescription: string;
       lightDescription: string;
       darkDescription: string;
-      lightblueDescription: string;
+      lightblueDescription: string;
+      lightgreenDescription: string;
       languageTitle: string;
       languageDescription: string;
     };
diff --git a/frontend-web/src/core/i18n/locales/zh-CN.ts b/frontend-web/src/core/i18n/locales/zh-CN.ts
index df437800..5e62a6d9 100644
--- a/frontend-web/src/core/i18n/locales/zh-CN.ts
+++ b/frontend-web/src/core/i18n/locales/zh-CN.ts
@@ -429,11 +429,13 @@ export const zhCN: Translations = {
       system: "系统",
       light: "浅色",
       dark: "深色",
-      lightblue: "浅蓝",
+      lightblue: "浅蓝",
+      lightgreen: "绿色",
       systemDescription: "自动跟随系统主题。",
       lightDescription: "更明亮的配色，适合日间使用。",
       darkDescription: "更暗的配色，减少眩光方便专注。",
-      lightblueDescription: "以蓝色为主色的清爽浅色配色。",
+      lightblueDescription: "以蓝色为主色的清爽浅色配色。",
+      lightgreenDescription: "采用 WeKnora 绿色的清爽浅色配色。",
       languageTitle: "语言",
       languageDescription: "在不同语言之间切换。",
     },
diff --git a/frontend-web/src/core/system-settings/api.ts b/frontend-web/src/core/system-settings/api.ts
index d2c0564e..d1be600e 100644
--- a/frontend-web/src/core/system-settings/api.ts
+++ b/frontend-web/src/core/system-settings/api.ts
@@ -276,7 +276,7 @@ export async function updatePublishSquares(
   return data;
 }
 
-export type ThemeMode = "light" | "dark" | "lightblue";
+export type ThemeMode = "light" | "dark" | "lightblue" | "lightgreen";
 export type ViewMode = "card" | "list";
 export type LayoutMode = "full" | "compact";
 export type CompactShortcutParamType = "login" | "theme";
diff --git a/frontend-web/src/env.ts b/frontend-web/src/env.ts
index 03e9af83..32d4844c 100644
--- a/frontend-web/src/env.ts
+++ b/frontend-web/src/env.ts
@@ -29,5 +29,10 @@ export const env = {
   NEXT_PUBLIC_NOTE_API_BASE_URL: readRuntimeEnv("VITE_NOTE_API_BASE_URL"),
   NEXT_PUBLIC_NOTEBOOK_API_BASE_URL: readRuntimeEnv("VITE_AIPI_BACKENP_URL"),
   NEXT_PUBLIC_STATIC_WEBSITE_ONLY: readRuntimeEnv("VITE_STATIC_WEBSITE_ONLY"),
+  /**
+   * Deployment-level compact navigation mode. This is intentionally a runtime
+   * flag so operations can switch the shell without rebuilding the frontend.
+   */
+  FORCE_COLLAPSED_SIDEBAR: readRuntimeFlag("VITE_FORCE_COLLAPSED_SIDEBAR"),
   GITHUB_OAUTH_TOKEN: readRuntimeEnv("VITE_GITHUB_OAUTH_TOKEN"),
 };
diff --git a/frontend-web/src/pages/LightAppIframeView.tsx b/frontend-web/src/pages/LightAppIframeView.tsx
index bc0cb0e5..aa687b50 100644
--- a/frontend-web/src/pages/LightAppIframeView.tsx
+++ b/frontend-web/src/pages/LightAppIframeView.tsx
@@ -21,7 +21,13 @@ export default function LightAppIframeView() {
   // 把新主题色传给被嵌套应用（不依赖 <html> 的 dark class，避免时序读旧值）。
   // 深色=dark-blue，浅蓝=blue，其余(红白)=red。
   const themeColor: AppThemeColor =
-    theme === "dark" ? "dark-blue" : theme === "lightblue" ? "blue" : "red";
+    theme === "dark"
+      ? "dark-blue"
+      : theme === "lightgreen"
+        ? "green"
+        : theme === "lightblue"
+          ? "blue"
+          : "red";
   const src = useMemo(
     () => (app ? buildLightAppUrl(app, undefined, themeColor) : ""),
     [app, themeColor],
diff --git a/frontend-web/src/pages/LightAppListPage.tsx b/frontend-web/src/pages/LightAppListPage.tsx
index 86d2cb05..b97ffe5e 100644
--- a/frontend-web/src/pages/LightAppListPage.tsx
+++ b/frontend-web/src/pages/LightAppListPage.tsx
@@ -34,7 +34,7 @@ import { toast } from "sonner";
 
 import { Pagination } from "@/components/ui/pagination";
 import { cn } from "@/lib/utils";
-import { useTheme } from "@/contexts/ThemeContext";
+import { useTheme, type ThemeType } from "@/contexts/ThemeContext";
 import { useLightApps, type LightApp } from "@/strategy-components/api/light-apps";
 import { buildLightAppUrl } from "@/strategy-components/lib/light-app";
 
@@ -64,12 +64,46 @@ function hashIndex(str: string, mod: number): number {
   return mod > 0 ? h % mod : 0;
 }
 
+function getLightAccent(theme: ThemeType) {
+  if (theme === "lightgreen") {
+    return {
+      dot: "bg-[#07C05F]",
+      badge: "border-[#07C05F]/15 bg-[#E9F8EC] text-[#049B38]",
+      focus: "focus:border-[#07C05F]/60 focus:ring-[#07C05F]/20",
+      text: "text-[#049B38]",
+      hoverText: "group-hover:text-[#049B38]",
+      link: "text-[#049B38] hover:text-[#038626]",
+      button: "bg-[#07C05F] shadow-[0_1px_3px_rgba(7,192,95,0.2)] hover:bg-[#08DD6E]",
+    };
+  }
+  if (theme === "lightblue") {
+    return {
+      dot: "bg-[#0062D9]",
+      badge: "border-[#0062D9]/15 bg-[#EAF4FF] text-[#0062D9]",
+      focus: "focus:border-[#0062D9]/60 focus:ring-[#0062D9]/20",
+      text: "text-[#0062D9]",
+      hoverText: "group-hover:text-[#0062D9]",
+      link: "text-[#0062D9] hover:text-[#0056C6]",
+      button: "bg-[#0062D9] shadow-[0_1px_3px_rgba(0,98,217,0.2)] hover:bg-[#0079FE]",
+    };
+  }
+  return {
+    dot: "bg-[#CF1322]",
+    badge: "border-[#CF1322]/15 bg-[#FFF1F0] text-[#CF1322]",
+    focus: "focus:border-[#CF1322]/60 focus:ring-[#CF1322]/20",
+    text: "text-[#CF1322]",
+    hoverText: "group-hover:text-[#CF1322]",
+    link: "text-[#CF1322] hover:text-[#A8071A]",
+    button: "bg-[#CF1322] shadow-[0_1px_3px_rgba(207,19,34,0.2)] hover:bg-[#A8071A]",
+  };
+}
+
 export default function LightAppListPage() {
   const [search, setSearch] = useState("");
   const [page, setPage] = useState(1);
   const [copiedId, setCopiedId] = useState<string | null>(null);
   const { theme } = useTheme();
-  const isLightBlue = theme === 'lightblue';
+  const lightAccent = getLightAccent(theme);
 
   const { data: apps = [], isLoading } = useLightApps({
     appType: "window_open",
@@ -118,13 +152,13 @@ export default function LightAppListPage() {
         <div className="space-y-1">
           <div className="flex items-center gap-2.5">
             <span className="relative flex size-3">
-              <span className={cn("absolute inline-flex size-full animate-ping rounded-full opacity-75", isLightBlue ? "bg-[#0062D9]" : "bg-[#CF1322]", "dark:bg-[#1677FF]")} />
-              <span className={cn("relative inline-flex size-3 rounded-full", isLightBlue ? "bg-[#0062D9]" : "bg-[#CF1322]", "dark:bg-[#1677FF]")} />
+              <span className={cn("absolute inline-flex size-full animate-ping rounded-full opacity-75", lightAccent.dot, "dark:bg-[#1677FF]")} />
+              <span className={cn("relative inline-flex size-3 rounded-full", lightAccent.dot, "dark:bg-[#1677FF]")} />
             </span>
             <h1 className="text-2xl font-bold tracking-tight text-zinc-900 dark:text-[#E8EDF5]">
               应用列表
             </h1>
-            <span className={cn("rounded-[5px] border px-2 py-0.5 font-mono text-xs font-medium dark:border-[#1677FF]/30 dark:bg-[#1677FF]/15 dark:text-[#4096FF]", isLightBlue ? "border-[#0062D9]/15 bg-[#EAF4FF] text-[#0062D9]" : "border-[#CF1322]/15 bg-[#FFF1F0] text-[#CF1322]")}>
+            <span className={cn("rounded-[5px] border px-2 py-0.5 font-mono text-xs font-medium dark:border-[#1677FF]/30 dark:bg-[#1677FF]/15 dark:text-[#4096FF]", lightAccent.badge)}>
               导航工作台
             </span>
           </div>
@@ -142,7 +176,7 @@ export default function LightAppListPage() {
               value={search}
               onChange={(e) => setSearch(e.target.value)}
               placeholder="键入应用名称、目标地址、或描述，实时过滤检索…"
-              className={cn("w-full rounded-[5px] border border-zinc-200 bg-zinc-50/50 py-3 pl-10 pr-10 text-sm transition focus:bg-white focus:outline-none focus:ring-2 dark:border-[#1A2F5A] dark:bg-[#0C1836] dark:text-[#C5CFE0] dark:placeholder-[#4A6491] dark:focus:border-[#1677FF]/60 dark:focus:bg-[#122347] dark:focus:ring-[#1677FF]/25", isLightBlue ? "focus:border-[#0062D9]/60 focus:ring-[#0062D9]/20" : "focus:border-[#CF1322]/60 focus:ring-[#CF1322]/20")}
+              className={cn("w-full rounded-[5px] border border-zinc-200 bg-zinc-50/50 py-3 pl-10 pr-10 text-sm transition focus:bg-white focus:outline-none focus:ring-2 dark:border-[#1A2F5A] dark:bg-[#0C1836] dark:text-[#C5CFE0] dark:placeholder-[#4A6491] dark:focus:border-[#1677FF]/60 dark:focus:bg-[#122347] dark:focus:ring-[#1677FF]/25", lightAccent.focus)}
             />
             {search && (
               <button
@@ -161,13 +195,13 @@ export default function LightAppListPage() {
         <div className="-mt-2 flex items-center justify-between">
           <div className="text-xs font-medium text-zinc-500 dark:text-[#6E88B0]">
             检索到最终结果:{" "}
-            <span className={cn("font-bold dark:text-[#4096FF]", isLightBlue ? "text-[#0062D9]" : "text-[#CF1322]")}>{apps.length}</span> 个关联应用
+            <span className={cn("font-bold dark:text-[#4096FF]", lightAccent.text)}>{apps.length}</span> 个关联应用
           </div>
           {search && (
             <button
               type="button"
               onClick={() => setSearch("")}
-              className={cn("text-xs font-medium underline dark:text-[#4096FF] dark:hover:text-[#1677FF]", isLightBlue ? "text-[#0062D9] hover:text-[#0056C6]" : "text-[#CF1322] hover:text-[#A8071A]")}
+              className={cn("text-xs font-medium underline dark:text-[#4096FF] dark:hover:text-[#1677FF]", lightAccent.link)}
             >
               重置过滤条件
             </button>
@@ -239,7 +273,7 @@ function AppCard({
   onOpen: () => void;
 }) {
   const { theme } = useTheme();
-  const isLightBlue = theme === 'lightblue';
+  const lightAccent = getLightAccent(theme);
   const Icon = ICON_POOL[hashIndex(app.appId, ICON_POOL.length)];
   const cardTheme = THEME_POOL[hashIndex(app.appId, THEME_POOL.length)];
 
@@ -256,7 +290,7 @@ function AppCard({
           </div>
         </div>
 
-        <h4 className={cn("mb-2 line-clamp-1 text-base font-bold leading-snug text-zinc-900 transition-colors dark:text-[#E8EDF5] dark:group-hover:text-[#4096FF]", isLightBlue ? "group-hover:text-[#0062D9]" : "group-hover:text-[#CF1322]")}>
+        <h4 className={cn("mb-2 line-clamp-1 text-base font-bold leading-snug text-zinc-900 transition-colors dark:text-[#E8EDF5] dark:group-hover:text-[#4096FF]", lightAccent.hoverText)}>
           {app.name}
         </h4>
 
@@ -270,7 +304,7 @@ function AppCard({
         <div className="mb-4 rounded-[5px] bg-zinc-50/70 p-3 dark:bg-[#0C1836]">
           <div className="mb-1 flex items-center justify-between text-[10px] font-semibold text-zinc-400 dark:text-[#6E88B0]">
             <span>拼接后目标路由终端:</span>
-            <span className={cn("text-[9px] font-bold uppercase tracking-wider dark:text-[#4096FF]", isLightBlue ? "text-[#0062D9]" : "text-[#CF1322]")}>
+            <span className={cn("text-[9px] font-bold uppercase tracking-wider dark:text-[#4096FF]", lightAccent.text)}>
               自动拼接已激活参
             </span>
           </div>
@@ -312,7 +346,7 @@ function AppCard({
           <button
             type="button"
             onClick={onOpen}
-            className={cn("flex items-center justify-center gap-1.5 rounded-[5px] px-3 py-2 text-xs font-semibold text-white transition active:scale-[0.98] dark:bg-[#1677FF] dark:shadow-none dark:hover:bg-[#0958D9]", isLightBlue ? "bg-[#0062D9] shadow-[0_1px_3px_rgba(0,98,217,0.2)] hover:bg-[#0079FE]" : "bg-[#CF1322] shadow-[0_1px_3px_rgba(207,19,34,0.2)] hover:bg-[#A8071A]")}
+            className={cn("flex items-center justify-center gap-1.5 rounded-[5px] px-3 py-2 text-xs font-semibold text-white transition active:scale-[0.98] dark:bg-[#1677FF] dark:shadow-none dark:hover:bg-[#0958D9]", lightAccent.button)}
           >
             <span>进入应用</span>
             <ArrowUpRight className="size-3.5" />
diff --git a/frontend-web/src/pages/LightAppManagementPage.tsx b/frontend-web/src/pages/LightAppManagementPage.tsx
index 6fe09c3d..bd98d286 100644
--- a/frontend-web/src/pages/LightAppManagementPage.tsx
+++ b/frontend-web/src/pages/LightAppManagementPage.tsx
@@ -93,7 +93,7 @@ const newParam = (): LightAppRouteParam => ({
   paramType: "login",
   source: "access_token",
   customValue: "",
-  themeValue: "red=red;blue=blue;dark-blue=dark-blue",
+  themeValue: "red=red;green=green;blue=blue;dark-blue=dark-blue",
 });
 
 function formFromApp(app: LightApp): FormState {
diff --git a/frontend-web/src/pages/LightAppNoteQAPage.tsx b/frontend-web/src/pages/LightAppNoteQAPage.tsx
index 846fb23c..6db22803 100644
--- a/frontend-web/src/pages/LightAppNoteQAPage.tsx
+++ b/frontend-web/src/pages/LightAppNoteQAPage.tsx
@@ -10,6 +10,7 @@ export default function LightAppNoteQAPage() {
   const { theme } = useTheme();
   const isDark = theme === "dark";
   const isLightBlue = theme === 'lightblue';
+  const isLightGreen = theme === "lightgreen";
   const [question, setQuestion] = useState("");
 
   const handleSubmit = () => {
@@ -112,7 +113,9 @@ export default function LightAppNoteQAPage() {
                   "flex h-7 w-7 shrink-0 items-center justify-center rounded-full transition-colors",
                   isDark
                     ? "bg-sky-500 text-white hover:bg-sky-400"
-                    : isLightBlue
+                    : isLightGreen
+                      ? "bg-[#07C05F] text-white hover:bg-[#08DD6E]"
+                      : isLightBlue
                       ? "bg-[#0062D9] text-white hover:bg-[#0079FE]"
                       : "bg-[#F5222D] text-white hover:bg-[#CF1322]",
                 )}
diff --git a/frontend-web/src/pages/NotebookAIWritingPage.tsx b/frontend-web/src/pages/NotebookAIWritingPage.tsx
index e23e5f24..ed56c1f7 100644
--- a/frontend-web/src/pages/NotebookAIWritingPage.tsx
+++ b/frontend-web/src/pages/NotebookAIWritingPage.tsx
@@ -4,7 +4,7 @@ import AIWritingPage from '@/open-canvas/pages/AIWritingPage';
 import { getNotebookApiBaseURL } from '@/core/config';
 import { useTheme, type ThemeType } from '@/contexts/ThemeContext';
 
-const VALID_THEMES: ThemeType[] = ['dark', 'light', 'lightblue'];
+const VALID_THEMES: ThemeType[] = ['dark', 'light', 'lightblue', 'lightgreen'];
 
 interface NotebookTokenData {
   doc_ids: number[];
diff --git a/frontend-web/src/pages/PageRoutes.tsx b/frontend-web/src/pages/PageRoutes.tsx
index f76e80ad..79f45b3a 100644
--- a/frontend-web/src/pages/PageRoutes.tsx
+++ b/frontend-web/src/pages/PageRoutes.tsx
@@ -16,6 +16,7 @@ import { useTheme } from "@/contexts/ThemeContext";
 import { useLocation } from "react-router-dom";
 import { useActiveThirdLevel } from "@/core/page-layout/use-sidebar-menu";
 import { useLayoutMode } from "@/core/system-settings/hooks";
+import { env } from "@/env";
 
 import WorkspaceRoutes from "./WorkspaceRoutes";
 import StrategyRoutes from "./StrategyRoutes";
@@ -27,6 +28,7 @@ import { RoundtableJobNotifier } from "@/roundtable-planning/components/Roundtab
 
 function PageLayout() {
   const [collapsed, setCollapsed] = useState(false);
+  const forceCollapsedSidebar = env.FORCE_COLLAPSED_SIDEBAR;
   const sidebarEnabled = useMemo(() => readSidebarEnabled(), []);
   const location = useLocation();
   const { theme } = useTheme();
@@ -42,7 +44,13 @@ function PageLayout() {
   // 登录时置位）这一旧默认。这样无论是否走门户登录，「全量↔简洁」都能真正控制顶栏+侧边栏。
   const [layoutMode] = useLayoutMode();
   const chromeByPreference =
-    layoutMode === "full" ? true : layoutMode === "compact" ? false : sidebarEnabled;
+    forceCollapsedSidebar
+      ? false
+      : layoutMode === "full"
+        ? true
+        : layoutMode === "compact"
+          ? false
+          : sidebarEnabled;
   // iframe 嵌入模式（外部系统 `&embed=1`，按标签页 sessionStorage）：去掉全局导航栏 + 侧边栏，
   // 只留问答/会商工作区本体。按 location 重算以跟随页内导航；非嵌入标签页恒为 false，不受影响。
   const embedActive = useMemo(
@@ -60,7 +68,8 @@ function PageLayout() {
   // 但它常被深链「上一步」从去 chrome 的工作区/新标签打开——那里 chromeByPreference 可能为 false
   // （界面模式非全量、或会话级 sidebar 未置位），导致整页没有顶栏/侧栏。故对该路由**强制全局 chrome**
   // （仍尊重 embed=1 嵌入态：外部 iframe 套用时仍隐藏）。
-  const forceChromeForDashboardAgent = location.pathname.includes("/strategy/dashboard-agent");
+  const forceChromeForDashboardAgent =
+    !forceCollapsedSidebar && location.pathname.includes("/strategy/dashboard-agent");
   const pageSidebarAllowed =
     (forceChromeForDashboardAgent || chromeByPreference) &&
     !isChatsIframeWorkspacePath(location.pathname) &&
@@ -114,6 +123,7 @@ function PageLayout() {
                   headerHidden={!pageSidebarAllowed}
                   compactWorkspaceSidebar={pageSidebarAllowed}
                   pageSidebarDark={isDark}
+                  forceWorkspaceSidebarCollapsed={forceCollapsedSidebar}
                 />
               }
             />
diff --git a/frontend-web/src/pages/WorkspaceRoutes.tsx b/frontend-web/src/pages/WorkspaceRoutes.tsx
index 96a989dd..cfcc4bd0 100644
--- a/frontend-web/src/pages/WorkspaceRoutes.tsx
+++ b/frontend-web/src/pages/WorkspaceRoutes.tsx
@@ -122,6 +122,7 @@ export function WorkspaceLayout({
   wrapperOverflowHidden = false,
   insetOverflowHidden = false,
   pageSidebarDark = false,
+  forceWorkspaceSidebarCollapsed = false,
 }: {
   children: ReactNode;
   pageSidebarCollapsed: boolean;
@@ -134,6 +135,8 @@ export function WorkspaceLayout({
   wrapperOverflowHidden?: boolean;
   insetOverflowHidden?: boolean;
   pageSidebarDark?: boolean;
+  /** Deployment-level compact mode: keep only the icon menu rail. */
+  forceWorkspaceSidebarCollapsed?: boolean;
 }) {
   // 全量模式下通用问答（/page/workspace/chats*）的历史侧栏默认展开；其余紧凑页
   // （如智能体对话，为聊天区更宽而默认收起）维持原默认。
@@ -169,11 +172,19 @@ export function WorkspaceLayout({
       key={String(compactWorkspaceSidebar)}
       data-page-sidebar-collapsed={pageSidebarCollapsed}
       defaultOpen={
-        defaultHistorySidebarOpen ?? (isGeneralQa || !compactWorkspaceSidebar)
+        forceWorkspaceSidebarCollapsed
+          ? false
+          : (defaultHistorySidebarOpen ?? (isGeneralQa || !compactWorkspaceSidebar))
       }
+      open={forceWorkspaceSidebarCollapsed ? false : undefined}
+      onOpenChange={forceWorkspaceSidebarCollapsed ? () => undefined : undefined}
+      disableToggle={forceWorkspaceSidebarCollapsed}
     >
       {!workspaceSidebarHidden && (
-        <WorkspaceSidebar compactChrome={compactWorkspaceSidebar} />
+        <WorkspaceSidebar
+          compactChrome={compactWorkspaceSidebar}
+          forceCollapsed={forceWorkspaceSidebarCollapsed}
+        />
       )}
       <SidebarInset
         className={cn('min-w-0', insetOverflowHidden && 'overflow-hidden')}
@@ -227,6 +238,7 @@ function NewChatEntryRoute({
     headerHidden: boolean;
     compactWorkspaceSidebar: boolean;
     pageSidebarDark: boolean;
+    forceWorkspaceSidebarCollapsed: boolean;
   };
 }) {
   if (isInIframe()) {
@@ -248,12 +260,14 @@ export default function WorkspaceRoutes({
   headerHidden = false,
   compactWorkspaceSidebar = false,
   pageSidebarDark = false,
+  forceWorkspaceSidebarCollapsed = false,
 }: {
   pageSidebarCollapsed?: boolean;
   pageSidebarHidden?: boolean;
   headerHidden?: boolean;
   compactWorkspaceSidebar?: boolean;
   pageSidebarDark?: boolean;
+  forceWorkspaceSidebarCollapsed?: boolean;
 }) {
   const layoutProps = {
     pageSidebarCollapsed,
@@ -261,6 +275,7 @@ export default function WorkspaceRoutes({
     headerHidden,
     compactWorkspaceSidebar,
     pageSidebarDark,
+    forceWorkspaceSidebarCollapsed,
   };
 
   return (
diff --git a/frontend-web/src/pages/light-app-management.css b/frontend-web/src/pages/light-app-management.css
index 5ea2b8ce..9e34f3b8 100644
--- a/frontend-web/src/pages/light-app-management.css
+++ b/frontend-web/src/pages/light-app-management.css
@@ -689,6 +689,58 @@
   background-color: #0056C6;
 }
 
+/* WeKnora green theme. */
+[data-theme="lightgreen"] .light-app-management-page .lam-primary-btn,
+[data-theme="lightgreen"] .light-app-management-page .lam-dialog-save,
+[data-theme="lightgreen"] .light-app-management-page .lam-switch-on {
+  background-color: #07C05F;
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-primary-btn,
+[data-theme="lightgreen"] .light-app-management-page .lam-dialog-save {
+  box-shadow: 0 2px 6px rgba(7, 192, 95, 0.2);
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-primary-btn:hover,
+[data-theme="lightgreen"] .light-app-management-page .lam-dialog-save:hover {
+  background-color: #08DD6E;
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-primary-btn:active,
+[data-theme="lightgreen"] .light-app-management-page .lam-dialog-save:active {
+  background-color: #049B38;
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-search-input:focus {
+  border-color: rgba(7, 192, 95, 0.4);
+  box-shadow: 0 0 0 4px rgba(7, 192, 95, 0.1);
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-view-toggle-btn.is-active,
+[data-theme="lightgreen"] .light-app-management-page .lam-cat-toggle-btn.is-active,
+[data-theme="lightgreen"] .light-app-management-page .lam-count strong,
+[data-theme="lightgreen"] .light-app-management-page .lam-table tr:hover .lam-row-name,
+[data-theme="lightgreen"] .light-app-management-page .lam-param-popover-close,
+[data-theme="lightgreen"] .light-app-management-page .lam-param-key,
+[data-theme="lightgreen"] .light-app-management-page .lam-card:hover .lam-card-title,
+[data-theme="lightgreen"] .light-app-management-page .lam-dialog-close:hover,
+[data-theme="lightgreen"] .light-app-management-page .lam-add-param-btn:hover {
+  color: #049B38;
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-add-param-btn:hover {
+  border-color: #07C05F;
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-dialog-icon {
+  background-color: #E9F8EC;
+  color: #049B38;
+}
+[data-theme="lightgreen"] .light-app-management-page .lam-input:focus,
+[data-theme="lightgreen"] .light-app-management-page .lam-dialog input[type="text"]:focus,
+[data-theme="lightgreen"] .light-app-management-page .t-select.t-is-focused .t-input,
+[data-theme="lightgreen"] .light-app-management-page .t-select.t-is-focused .t-input__wrap {
+  border-color: #07C05F;
+  box-shadow: 0 0 0 2px rgba(7, 192, 95, 0.16);
+}
+[data-theme="lightgreen"] .light-app-management-page .t-select:hover .t-input,
+[data-theme="lightgreen"] .light-app-management-page .t-select:hover .t-input__wrap {
+  border-color: rgba(7, 192, 95, 0.5);
+}
+
 /* ── iframe 菜单排序：拖拽行 + 拖拽手柄 ───────────────────────────────── */
 .light-app-management-page .lam-reorder-row {
   cursor: grab;
diff --git a/frontend-web/src/pages/light-app-pages.css b/frontend-web/src/pages/light-app-pages.css
index 22125635..f92b4bf2 100644
--- a/frontend-web/src/pages/light-app-pages.css
+++ b/frontend-web/src/pages/light-app-pages.css
@@ -7,6 +7,11 @@
   background-color: #F9FCFF;
 }
 
+[data-theme="lightgreen"] .light-app-management-page,
+[data-theme="lightgreen"] .light-app-list-page {
+  background-color: #F9FDF9;
+}
+
 .dark .light-app-management-page,
 .dark .light-app-list-page {
   background-color: var(--color-bg-page);
diff --git a/frontend-web/src/strategy-components/lib/light-app.ts b/frontend-web/src/strategy-components/lib/light-app.ts
index c3a2f1ae..493e0f98 100644
--- a/frontend-web/src/strategy-components/lib/light-app.ts
+++ b/frontend-web/src/strategy-components/lib/light-app.ts
@@ -42,10 +42,11 @@ export const LOGIN_SOURCE_OPTIONS: { label: string; value: string }[] = [
  * 我方主题色键。当前启用 red(浅色) / dark-blue(深色)；blue 为后续将新增的主题。
  * 主题参数的映射以这些键为左侧 key（如 `dark-blue=darkBlue`）。
  */
-export type AppThemeColor = "red" | "blue" | "dark-blue";
+export type AppThemeColor = "red" | "green" | "blue" | "dark-blue";
 
 /** 我方全部主题色（「应用管理」主题参数逐项配置目标值时遍历；dot 为配色小圆点）。 */
 export const APP_THEME_COLORS: { key: AppThemeColor; label: string; dot: string }[] = [
+  { key: "green", label: "绿色", dot: "#07C05F" },
   { key: "red", label: "红色", dot: "#F5222D" },
   { key: "blue", label: "蓝色", dot: "#1677FF" },
   { key: "dark-blue", label: "深蓝色", dot: "#002B5C" },
@@ -57,6 +58,7 @@ export const APP_THEME_COLORS: { key: AppThemeColor; label: string; dot: string
  */
 const THEME_KEY_ALIASES: Record<AppThemeColor, string[]> = {
   red: ["red", "light"],
+  green: ["green", "lightgreen"],
   blue: ["blue"],
   "dark-blue": ["dark-blue", "darkblue", "dark"],
 };
@@ -69,6 +71,7 @@ export function getCurrentTheme(): AppThemeColor {
   if (typeof document !== "undefined") {
     const classList = document.documentElement.classList;
     if (classList.contains("dark")) return "dark-blue";
+    if (classList.contains("lightgreen")) return "green";
     if (classList.contains("lightblue")) return "blue";
   }
   return "red";
diff --git a/frontend-web/src/styles/globals.css b/frontend-web/src/styles/globals.css
index bc76db16..b13c854c 100644
--- a/frontend-web/src/styles/globals.css
+++ b/frontend-web/src/styles/globals.css
@@ -407,6 +407,64 @@
   --legacy-workspace-brand-rgb: 0 98 217;
 }
 
+/* WeKnora 绿色主题：沿用主色 #07C05F、浅底 #E9F8EC 与深强调色 #049B38。 */
+.lightgreen {
+  --workspace-brand: #07c05f;
+  --workspace-brand-foreground: #ffffff;
+  --brand-200: #e9f8ec;
+  --brand-900: #07c05f;
+  --brand-950: #049b38;
+  --background: #ffffff;
+  --foreground: #203329;
+  --card: #ffffff;
+  --card-foreground: #203329;
+  --popover: #ffffff;
+  --popover-foreground: #203329;
+  --primary: #07c05f;
+  --primary-foreground: #ffffff;
+  --secondary: #f1fbf4;
+  --secondary-foreground: #049b38;
+  --muted: #f3f8f4;
+  --muted-foreground: #64736a;
+  --accent: #e9f8ec;
+  --accent-foreground: #038626;
+  --destructive: #f5222d;
+  --border: #d8eadc;
+  --input: #cfe5d4;
+  --ring: rgb(7 192 95 / 0.35);
+  --chart-1: #07c05f;
+  --chart-2: #028f72;
+  --chart-3: #4f6680;
+  --chart-4: #e8a72a;
+  --chart-5: #db8d16;
+  --sidebar: #f9fdf9;
+  --sidebar-foreground: #203329;
+  --sidebar-primary: #07c05f;
+  --sidebar-primary-foreground: #ffffff;
+  --sidebar-accent: #e9f8ec;
+  --sidebar-accent-foreground: #038626;
+  --sidebar-border: #e3f0e5;
+  --sidebar-ring: rgb(7 192 95 / 0.4);
+  --legacy-accent-rgb: 233 248 236;
+  --legacy-background-rgb: 255 255 255;
+  --legacy-border-rgb: 216 234 220;
+  --legacy-brand-200-rgb: 233 248 236;
+  --legacy-card-rgb: 255 255 255;
+  --legacy-destructive-rgb: 245 34 45;
+  --legacy-foreground-rgb: 32 51 41;
+  --legacy-input-rgb: 207 229 212;
+  --legacy-muted-rgb: 243 248 244;
+  --legacy-muted-foreground-rgb: 100 115 106;
+  --legacy-primary-rgb: 7 192 95;
+  --legacy-primary-foreground-rgb: 255 255 255;
+  --legacy-ring-rgb: 7 192 95;
+  --legacy-secondary-rgb: 241 251 244;
+  --legacy-sidebar-accent-rgb: 233 248 236;
+  --legacy-sidebar-border-rgb: 227 240 229;
+  --legacy-sidebar-foreground-rgb: 32 51 41;
+  --legacy-workspace-brand-rgb: 7 192 95;
+}
+
 @layer base {
   * {
     @apply border-border outline-ring/50;
@@ -1248,6 +1306,43 @@ html.lightblue .tiptap-writing-editor .ProseMirror ::selection {
   background: color-mix(in srgb, #55a6fe 35%, transparent);
 }
 
+html.lightgreen .strategy-app-header {
+  background-color: #07c05f;
+  background-image: linear-gradient(105deg, #049b38 0%, #07c05f 48%, #08dd6e 100%);
+}
+
+html.lightgreen *::-webkit-scrollbar-thumb {
+  background: linear-gradient(180deg, rgb(9 244 121 / 0.8), rgb(7 192 95 / 0.92))
+    padding-box;
+}
+
+html.lightgreen .workspace-panel {
+  border: 1px solid #d8eadc;
+  box-shadow:
+    0 32px 72px -46px rgb(26 112 68 / 0.3),
+    0 12px 28px -22px rgb(7 192 95 / 0.2);
+}
+
+html.lightgreen .workspace-user-bubble {
+  border: 1px solid rgb(255 255 255 / 0.14);
+  background: linear-gradient(135deg, #09f479 0%, #07c05f 58%, #049b38 100%);
+  box-shadow:
+    0 22px 40px -28px rgb(7 192 95 / 0.52),
+    0 10px 20px -16px rgb(4 155 56 / 0.38);
+}
+
+html.lightgreen .workspace-assistant-card {
+  border: 1px solid #dceee0;
+}
+
+html.lightgreen .workspace-assistant-card::before {
+  background: linear-gradient(180deg, rgb(9 244 121 / 0.68), rgb(7 192 95 / 0.12));
+}
+
+html.lightgreen .tiptap-writing-editor .ProseMirror ::selection {
+  background: color-mix(in srgb, #07c05f 35%, transparent);
+}
+
 /* ── 来源上传弹窗：A系统基因库的分段单选条（custom-radio） ─────────────── */
 /* 外层容器，模拟 nz-radio-group */
 .custom-radio-group {
@@ -1323,6 +1418,12 @@ html.lightblue .tiptap-writing-editor .ProseMirror ::selection {
   box-shadow: inset 0 0 0 1px rgba(0, 98, 217, 0.16);
 }
 
+.lightgreen .agent-avatar {
+  background-color: #e9f8ec;
+  color: #049b38;
+  box-shadow: inset 0 0 0 1px rgb(7 192 95 / 0.16);
+}
+
 .agent-sidebar-card--active {
   background-color: #feeded;
   border-color: rgba(190, 35, 35, 0.5);
@@ -1338,6 +1439,11 @@ html.lightblue .tiptap-writing-editor .ProseMirror ::selection {
   border-color: rgba(0, 98, 217, 0.5);
 }
 
+.lightgreen .agent-sidebar-card--active {
+  background-color: #e9f8ec;
+  border-color: rgb(7 192 95 / 0.5);
+}
+
 @supports not (color: oklch(1 0 0)) {
   .bg-primary\/5 { background-color: rgba(190, 35, 35, 0.05); }
   .bg-primary\/8 { background-color: rgba(190, 35, 35, 0.08); }
@@ -1388,4 +1494,16 @@ html.lightblue .tiptap-writing-editor .ProseMirror ::selection {
   .lightblue .bg-primary\/60 { background-color: rgba(0, 98, 217, 0.60); }
   .lightblue .bg-primary\/70 { background-color: rgba(0, 98, 217, 0.70); }
   .lightblue .bg-primary\/90 { background-color: rgba(0, 98, 217, 0.90); }
+
+  .lightgreen .bg-primary\/5 { background-color: rgba(7, 192, 95, 0.05); }
+  .lightgreen .bg-primary\/8 { background-color: rgba(7, 192, 95, 0.08); }
+  .lightgreen .bg-primary\/10 { background-color: rgba(7, 192, 95, 0.10); }
+  .lightgreen .bg-primary\/14 { background-color: rgba(7, 192, 95, 0.14); }
+  .lightgreen .bg-primary\/15 { background-color: rgba(7, 192, 95, 0.15); }
+  .lightgreen .bg-primary\/20 { background-color: rgba(7, 192, 95, 0.20); }
+  .lightgreen .bg-primary\/25 { background-color: rgba(7, 192, 95, 0.25); }
+  .lightgreen .bg-primary\/30 { background-color: rgba(7, 192, 95, 0.30); }
+  .lightgreen .bg-primary\/60 { background-color: rgba(7, 192, 95, 0.60); }
+  .lightgreen .bg-primary\/70 { background-color: rgba(7, 192, 95, 0.70); }
+  .lightgreen .bg-primary\/90 { background-color: rgba(7, 192, 95, 0.90); }
 }
diff --git a/frontend-web/src/styles/tdesign-theme.css b/frontend-web/src/styles/tdesign-theme.css
index 046bc052..fabb26c3 100644
--- a/frontend-web/src/styles/tdesign-theme.css
+++ b/frontend-web/src/styles/tdesign-theme.css
@@ -195,6 +195,37 @@
   --td-bg-color-secondarycontainer-active: #eaf4ff;
 }
 
+/* WeKnora green: selected by ThemeContext through data-theme="lightgreen". */
+:root[data-theme="lightgreen"] {
+  --td-brand-color-1: #e9f8ec;
+  --td-brand-color-2: #d5f4df;
+  --td-brand-color-3: #c0efcf;
+  --td-brand-color-4: #a5e9bc;
+  --td-brand-color-5: #8ce0af;
+  --td-brand-color-6: #09f479;
+  --td-brand-color-7: #07c05f;
+  --td-brand-color-8: #06b04d;
+  --td-brand-color-9: #049b38;
+  --td-brand-color-10: #038626;
+
+  --td-brand-color: #07c05f;
+  --td-brand-color-hover: #08dd6e;
+  --td-brand-color-focus: #e9f8ec;
+  --td-brand-color-active: #06b04d;
+  --td-brand-color-disabled: #8ce0af;
+  --td-brand-color-light: #e9f8ec;
+  --td-brand-color-light-hover: #d5f4df;
+  --td-text-color-primary: #203329;
+  --td-text-color-secondary: #64736a;
+  --td-text-color-brand: #07c05f;
+  --td-text-color-link: #049b38;
+  --td-bg-color-container-hover: #f9fdf9;
+  --td-bg-color-container-active: #e9f8ec;
+  --td-bg-color-secondarycontainer: #f1fbf4;
+  --td-bg-color-secondarycontainer-hover: #e9f8ec;
+  --td-bg-color-secondarycontainer-active: #d5f4df;
+}
+
 /* Deep blue: selected by ThemeContext through .dark + theme-mode="dark". */
 :root.dark,
 :root[theme-mode="dark"] {
diff --git a/offline-backend-20260512/backend/app/gateway/routers/system_settings.py b/offline-backend-20260512/backend/app/gateway/routers/system_settings.py
index 1d7f8c3a..98589761 100644
--- a/offline-backend-20260512/backend/app/gateway/routers/system_settings.py
+++ b/offline-backend-20260512/backend/app/gateway/routers/system_settings.py
@@ -536,7 +536,9 @@ async def update_publish_squares(body: PublishSquaresUpdateRequest, request: Req
 class AppearanceResponse(BaseModel):
     """Effective system-wide appearance defaults."""
 
-    default_theme: Literal["light", "dark", "lightblue"] = Field(..., description="System default theme — light, dark or lightblue")
+    default_theme: Literal["light", "dark", "lightblue", "lightgreen"] = Field(
+        ..., description="System default theme — light, dark, lightblue or lightgreen"
+    )
     default_skill_view: Literal["card", "list"] = Field(..., description="System default skill list display mode — card or list")
     default_agent_view: Literal["card", "list"] = Field(..., description="System default agent list display mode — card or list")
     default_layout_mode: Literal["full", "compact"] = Field(..., description="System default interface layout — full (sidebar + header) or compact (hidden)")
@@ -544,7 +546,7 @@ class AppearanceResponse(BaseModel):
 
 
 class AppearanceUpdateRequest(BaseModel):
-    default_theme: Literal["light", "dark", "lightblue"] | None = Field(default=None)
+    default_theme: Literal["light", "dark", "lightblue", "lightgreen"] | None = Field(default=None)
     default_skill_view: Literal["card", "list"] | None = Field(default=None)
     default_agent_view: Literal["card", "list"] | None = Field(default=None)
     default_layout_mode: Literal["full", "compact"] | None = Field(default=None)
@@ -575,7 +577,7 @@ def _normalize_compact_shortcut_buttons(
                         key=key,
                         paramType="theme",
                         themeValue=(param.themeValue or "").strip()
-                        or "red=red;blue=blue;dark-blue=dark-blue",
+                        or "red=red;green=green;blue=blue;dark-blue=dark-blue",
                     )
                 )
                 continue
diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/config/system_settings.py b/offline-backend-20260512/backend/packages/harness/deerflow/config/system_settings.py
index aa0025be..a84712cc 100644
--- a/offline-backend-20260512/backend/packages/harness/deerflow/config/system_settings.py
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/config/system_settings.py
@@ -61,7 +61,7 @@ def _default_shortcut_route_params() -> list[AppearanceRouteParam]:
             paramType="login",
             source="access_token",
             customValue="",
-            themeValue="red=red;blue=blue;dark-blue=dark-blue",
+            themeValue="red=red;green=green;blue=blue;dark-blue=dark-blue",
         )
     ]
 
@@ -102,9 +102,9 @@ class AppearanceSettings(BaseModel):
     toggle, and any future first-time loads.
     """
 
-    default_theme: Literal["light", "dark", "lightblue"] = Field(
+    default_theme: Literal["light", "dark", "lightblue", "lightgreen"] = Field(
         default="light",
-        description="Theme applied for users who haven't picked their own (light / dark / lightblue)",
+        description="Theme applied for users who haven't picked their own (light / dark / lightblue / lightgreen)",
     )
     default_skill_view: Literal["card", "list"] = Field(
         default="list",