From 1f078d5b371885e41eeadc6c4f10ee786dfc45e0 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Wed, 18 Mar 2026 01:18:58 +0800
Subject: [PATCH] feat: polish agent workflow showcase and layout

---
 .../agent-workflow-settings-client.tsx        | 295 ++++++++++
 app/api/site-settings/route.ts                |  79 +++
 app/canvas/[id]/page.tsx                      |  28 +
 components/agents/AgentCanvasTopNavDark.tsx   | 123 ++++
 .../agents/AgentGenerationWorkspaceDarkV2.tsx | 557 ++++++++++++------
 components/agents/AgentPresetPanelDarkV2.tsx  |  79 +--
 .../agents/AgentWorkflowBrandModelPicker.tsx  |  94 ++-
 .../agents/AgentWorkflowMaterialPicker.tsx    | 105 +++-
 .../AgentWorkflowMaterialSelectionPanel.tsx   |  31 +-
 .../agents/AgentWorkflowPanelDarkV2.tsx       | 268 ++++-----
 .../agents/AgentWorkflowShowcaseBanner.tsx    | 126 ++++
 components/ui/searchable-select.tsx           |  53 +-
 lib/agents/workflow-showcase-config.ts        |  47 ++
 types/agent.ts                                |  11 +
 14 files changed, 1472 insertions(+), 424 deletions(-)
 create mode 100644 components/agents/AgentCanvasTopNavDark.tsx
 create mode 100644 components/agents/AgentWorkflowShowcaseBanner.tsx
 create mode 100644 lib/agents/workflow-showcase-config.ts

diff --git a/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx b/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx
index 03e6560f3..7240c3016 100644
--- a/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx
+++ b/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx
@@ -22,6 +22,10 @@ import {
   defaultAgentWorkflowBrandModelConfig,
   normalizeAgentWorkflowBrandModelConfig,
 } from "@/lib/agents/workflow-brand-model-config";
+import {
+  defaultAgentWorkflowShowcaseConfig,
+  normalizeAgentWorkflowShowcaseConfig,
+} from "@/lib/agents/workflow-showcase-config";
 import {
   defaultAgentWorkflowMaterialApiConfig,
   normalizeAgentWorkflowMaterialApiConfig,
@@ -37,6 +41,7 @@ import type {
   AgentWorkflowBrandModelConfig,
   AgentWorkflowMaterialApiConfig,
   AgentWorkflowOptionUiConfig,
+  AgentWorkflowShowcaseConfig,
   AgentWorkflowStepUiConfig,
   AgentWorkflowUiConfig,
 } from "@/types/agent";
@@ -132,11 +137,15 @@ export function AgentWorkflowSettingsClient({
     agentWorkflowUiConfig?: AgentWorkflowUiConfig;
     agentWorkflowMaterialApiConfig?: AgentWorkflowMaterialApiConfig;
     agentWorkflowBrandModelConfig?: AgentWorkflowBrandModelConfig;
+    agentWorkflowShowcaseConfig?: AgentWorkflowShowcaseConfig;
   }>("/api/site-settings", fetcher);
   const [config, setConfig] = useState<AgentWorkflowUiConfig>(defaultAgentWorkflowUiConfig);
   const [materialApiConfig, setMaterialApiConfig] = useState<AgentWorkflowMaterialApiConfig>(
     defaultAgentWorkflowMaterialApiConfig
   );
+  const [showcaseConfig, setShowcaseConfig] = useState<AgentWorkflowShowcaseConfig>(
+    defaultAgentWorkflowShowcaseConfig
+  );
   const [brandModelConfig, setBrandModelConfig] = useState<AgentWorkflowBrandModelConfig>(
     defaultAgentWorkflowBrandModelConfig
   );
@@ -150,6 +159,9 @@ export function AgentWorkflowSettingsClient({
     setMaterialApiConfig(
       normalizeAgentWorkflowMaterialApiConfig(data.agentWorkflowMaterialApiConfig)
     );
+    setShowcaseConfig(
+      normalizeAgentWorkflowShowcaseConfig(data.agentWorkflowShowcaseConfig)
+    );
     setBrandModelConfig(
       normalizeAgentWorkflowBrandModelConfig(data.agentWorkflowBrandModelConfig)
     );
@@ -279,6 +291,7 @@ export function AgentWorkflowSettingsClient({
           agentWorkflowUiConfig: config,
           agentWorkflowMaterialApiConfig: materialApiConfig,
           agentWorkflowBrandModelConfig: brandModelConfig,
+          agentWorkflowShowcaseConfig: showcaseConfig,
         }),
       });
 
@@ -395,6 +408,43 @@ export function AgentWorkflowSettingsClient({
     }));
   };
 
+  const handleUploadShowcaseAsset = async (
+    target: "video" | "poster",
+    file: File
+  ) => {
+    const isVideo = target === "video";
+    const expectedPrefix = isVideo ? "video/" : "image/";
+
+    if (!file.type.startsWith(expectedPrefix)) {
+      toast.error(isVideo ? "请上传视频文件" : "请上传图片文件");
+      return;
+    }
+
+    const refKey = `showcase:${target}`;
+    try {
+      setUploadingKey(refKey);
+      const formData = new FormData();
+      formData.append("file", file);
+
+      const response = await fetchUploadWithRetry(formData);
+      const result = await response.json();
+
+      if (!response.ok || !result?.url) {
+        throw new Error(result?.error || "上传失败");
+      }
+
+      setShowcaseConfig((prev) => ({
+        ...prev,
+        [target === "video" ? "videoUrl" : "posterUrl"]: result.url,
+      }));
+      toast.success(isVideo ? "视频海报上传成功" : "视频封面上传成功");
+    } catch (error) {
+      toast.error(error instanceof Error ? error.message : "上传失败");
+    } finally {
+      setUploadingKey(null);
+    }
+  };
+
   return (
     <div className="container mx-auto space-y-6 p-6">
       <div className="flex flex-wrap items-center justify-between gap-3">
@@ -440,6 +490,251 @@ export function AgentWorkflowSettingsClient({
         </Card>
       ) : (
         <div className="space-y-5">
+          <Card>
+            <CardHeader>
+              <CardTitle>顶部视频海报</CardTitle>
+              <CardDescription>
+                配置第一步顶部展示区的视频海报。前台会按固定 21:9 比例自动循环播放，并同步显示可自定义标题、按钮文案和海报叠加文字。
+              </CardDescription>
+            </CardHeader>
+            <CardContent className="space-y-4">
+              <div className="flex items-center justify-between rounded-xl border bg-muted/20 px-4 py-3">
+                <div className="space-y-1">
+                  <div className="text-sm font-medium">启用顶部视频海报</div>
+                  <div className="text-xs text-muted-foreground">
+                    关闭后前台会隐藏视频海报展示区，但保留下方工作流内容。
+                  </div>
+                </div>
+                <Switch
+                  checked={showcaseConfig.enabled}
+                  onCheckedChange={(checked) =>
+                    setShowcaseConfig((prev) => ({
+                      ...prev,
+                      enabled: checked,
+                    }))
+                  }
+                />
+              </div>
+
+              <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
+                <div className="space-y-2">
+                  <Label>顶部主标题</Label>
+                  <Input
+                    value={showcaseConfig.title}
+                    onChange={(event) =>
+                      setShowcaseConfig((prev) => ({
+                        ...prev,
+                        title: event.target.value,
+                      }))
+                    }
+                    placeholder="三倍速出片，电影级质感"
+                  />
+                </div>
+                <div className="space-y-2">
+                  <Label>顶部副标题</Label>
+                  <Input
+                    value={showcaseConfig.subtitle}
+                    onChange={(event) =>
+                      setShowcaseConfig((prev) => ({
+                        ...prev,
+                        subtitle: event.target.value,
+                      }))
+                    }
+                    placeholder="第一步：风格选择  第二步：生图模式"
+                  />
+                </div>
+                <div className="space-y-2">
+                  <Label>按钮文案</Label>
+                  <Input
+                    value={showcaseConfig.actionText}
+                    onChange={(event) =>
+                      setShowcaseConfig((prev) => ({
+                        ...prev,
+                        actionText: event.target.value,
+                      }))
+                    }
+                    placeholder="我要创作"
+                  />
+                </div>
+                <div className="space-y-2">
+                  <Label>海报底部说明</Label>
+                  <Input
+                    value={showcaseConfig.footerText || ""}
+                    onChange={(event) =>
+                      setShowcaseConfig((prev) => ({
+                        ...prev,
+                        footerText: event.target.value,
+                      }))
+                    }
+                    placeholder="用户作品"
+                  />
+                </div>
+              </div>
+
+              <div className="space-y-2">
+                <Label>海报叠加文字</Label>
+                <Textarea
+                  value={showcaseConfig.overlayText || ""}
+                  onChange={(event) =>
+                    setShowcaseConfig((prev) => ({
+                      ...prev,
+                      overlayText: event.target.value,
+                    }))
+                  }
+                  rows={2}
+                  placeholder="例如：让每一步选择，都能直达高质感成片"
+                />
+              </div>
+
+              <div className="grid grid-cols-1 gap-5 xl:grid-cols-[minmax(0,1fr)_360px]">
+                <div className="space-y-4">
+                  <div className="space-y-2">
+                    <Label>视频链接</Label>
+                    <Input
+                      value={showcaseConfig.videoUrl}
+                      onChange={(event) =>
+                        setShowcaseConfig((prev) => ({
+                          ...prev,
+                          videoUrl: event.target.value,
+                        }))
+                      }
+                      placeholder="https://..."
+                    />
+                  </div>
+
+                  <div className="space-y-2">
+                    <Label>视频封面链接</Label>
+                    <Input
+                      value={showcaseConfig.posterUrl || ""}
+                      onChange={(event) =>
+                        setShowcaseConfig((prev) => ({
+                          ...prev,
+                          posterUrl: event.target.value,
+                        }))
+                      }
+                      placeholder="https://..."
+                    />
+                  </div>
+
+                  <div className="flex flex-wrap gap-2">
+                    <input
+                      ref={(element) => {
+                        fileInputRefs.current["showcase:video"] = element;
+                      }}
+                      type="file"
+                      accept="video/*"
+                      className="hidden"
+                      onChange={(event) => {
+                        const file = event.target.files?.[0];
+                        if (!file) return;
+                        void handleUploadShowcaseAsset("video", file);
+                        event.target.value = "";
+                      }}
+                    />
+                    <input
+                      ref={(element) => {
+                        fileInputRefs.current["showcase:poster"] = element;
+                      }}
+                      type="file"
+                      accept="image/*"
+                      className="hidden"
+                      onChange={(event) => {
+                        const file = event.target.files?.[0];
+                        if (!file) return;
+                        void handleUploadShowcaseAsset("poster", file);
+                        event.target.value = "";
+                      }}
+                    />
+                    <Button
+                      type="button"
+                      variant="outline"
+                      disabled={uploadingKey === "showcase:video"}
+                      onClick={() => fileInputRefs.current["showcase:video"]?.click()}
+                    >
+                      {uploadingKey === "showcase:video" ? (
+                        <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+                      ) : (
+                        <Upload className="mr-2 h-4 w-4" />
+                      )}
+                      上传视频
+                    </Button>
+                    <Button
+                      type="button"
+                      variant="outline"
+                      disabled={uploadingKey === "showcase:poster"}
+                      onClick={() => fileInputRefs.current["showcase:poster"]?.click()}
+                    >
+                      {uploadingKey === "showcase:poster" ? (
+                        <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+                      ) : (
+                        <Upload className="mr-2 h-4 w-4" />
+                      )}
+                      上传封面图
+                    </Button>
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      onClick={() =>
+                        setShowcaseConfig((prev) => ({
+                          ...prev,
+                          videoUrl: "",
+                          posterUrl: "",
+                        }))
+                      }
+                    >
+                      清空媒体
+                    </Button>
+                  </div>
+
+                  <div className="text-xs text-muted-foreground">
+                    建议优先上传静音短视频，前台会自动以 `muted + loop + playsInline` 形式循环播放；未配置视频时会回退到封面图展示。
+                  </div>
+                </div>
+
+                <div className="space-y-2">
+                  <Label>前台预览</Label>
+                  <div className="overflow-hidden rounded-2xl border bg-slate-950 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]">
+                    <div className="relative aspect-[21/9] w-full overflow-hidden bg-black">
+                      {showcaseConfig.videoUrl ? (
+                        <video
+                          key={showcaseConfig.videoUrl}
+                          src={showcaseConfig.videoUrl}
+                          poster={showcaseConfig.posterUrl || undefined}
+                          className="h-full w-full object-cover"
+                          autoPlay
+                          muted
+                          loop
+                          playsInline
+                        />
+                      ) : showcaseConfig.posterUrl ? (
+                        <img
+                          src={showcaseConfig.posterUrl}
+                          alt={showcaseConfig.overlayText || showcaseConfig.title}
+                          className="h-full w-full object-cover"
+                        />
+                      ) : (
+                        <div className="flex h-full w-full items-center justify-center text-xs text-white/45">
+                          暂无视频海报
+                        </div>
+                      )}
+                      <div className="pointer-events-none absolute inset-0 bg-gradient-to-t from-black/65 via-black/10 to-black/25" />
+                      {showcaseConfig.overlayText ? (
+                        <div className="pointer-events-none absolute inset-0 flex items-center justify-center px-5 text-center text-lg font-semibold tracking-[0.18em] text-white/22">
+                          {showcaseConfig.overlayText}
+                        </div>
+                      ) : null}
+                      {showcaseConfig.footerText ? (
+                        <div className="pointer-events-none absolute bottom-3 left-3 rounded-full border border-white/12 bg-black/35 px-2.5 py-1 text-[11px] text-white/75">
+                          {showcaseConfig.footerText}
+                        </div>
+                      ) : null}
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </CardContent>
+          </Card>
+
           <Card>
             <CardHeader>
               <CardTitle>素材搜索接口配置</CardTitle>
diff --git a/app/api/site-settings/route.ts b/app/api/site-settings/route.ts
index 31213b094..338dae1a1 100644
--- a/app/api/site-settings/route.ts
+++ b/app/api/site-settings/route.ts
@@ -46,6 +46,11 @@ import {
   normalizeAgentWorkflowMaterialApiConfig,
   normalizeAgentWorkflowMaterialApiConfigForPublic,
 } from "@/lib/agents/workflow-material-config";
+import {
+  AGENT_WORKFLOW_SHOWCASE_CONFIG_KEY,
+  defaultAgentWorkflowShowcaseConfig,
+  normalizeAgentWorkflowShowcaseConfig,
+} from "@/lib/agents/workflow-showcase-config";
 import {
   defaultOssImageMigrationConfig,
   normalizeOssImageMigrationConfig,
@@ -235,6 +240,7 @@ export async function GET() {
       agentWorkflowUiConfigSetting,
       agentWorkflowMaterialApiConfigSetting,
       agentWorkflowBrandModelConfigSetting,
+      agentWorkflowShowcaseConfigSetting,
     ] = await Promise.all([
       db.select().from(siteSettings).limit(1).then(rows => rows[0]),
       db
@@ -363,6 +369,12 @@ export async function GET() {
         .where(eq(systemSettings.key, AGENT_WORKFLOW_BRAND_MODEL_CONFIG_KEY))
         .limit(1)
         .then(rows => rows[0]),
+      db
+        .select()
+        .from(systemSettings)
+        .where(eq(systemSettings.key, AGENT_WORKFLOW_SHOWCASE_CONFIG_KEY))
+        .limit(1)
+        .then(rows => rows[0]),
     ]);
     
     const notification = notificationSetting?.value || { enabled: false, title: "", content: "" };
@@ -415,6 +427,9 @@ export async function GET() {
     const agentWorkflowBrandModelConfig = normalizeAgentWorkflowBrandModelConfig(
       agentWorkflowBrandModelConfigSetting?.value
     );
+    const agentWorkflowShowcaseConfig = normalizeAgentWorkflowShowcaseConfig(
+      agentWorkflowShowcaseConfigSetting?.value
+    );
     
     // 如果没有设置记录，返回默认值
     const baseSettings = settings || {
@@ -445,6 +460,7 @@ export async function GET() {
         agentWorkflowUiConfig: defaultAgentWorkflowUiConfig,
         agentWorkflowMaterialApiConfig: defaultAgentWorkflowMaterialApiConfig,
         agentWorkflowBrandModelConfig: defaultAgentWorkflowBrandModelConfig,
+        agentWorkflowShowcaseConfig: defaultAgentWorkflowShowcaseConfig,
         realtimeCanvasEnabled: true,
         realtimeCanvasServiceEnabled: true,
         storageFailoverConfig,
@@ -491,6 +507,7 @@ export async function GET() {
         agentWorkflowUiConfig,
         agentWorkflowMaterialApiConfig,
         agentWorkflowBrandModelConfig,
+        agentWorkflowShowcaseConfig,
         membershipConfig,
         membershipUserOverrides,
         pointsSystemConfig,
@@ -618,6 +635,18 @@ const updateSchema = z.object({
         .max(300),
     })
     .optional(),
+  agentWorkflowShowcaseConfig: z
+    .object({
+      enabled: z.boolean().optional(),
+      title: z.string().max(200).optional(),
+      subtitle: z.string().max(300).optional(),
+      actionText: z.string().max(48).optional(),
+      videoUrl: z.string().max(2000).optional(),
+      posterUrl: z.string().max(2000).optional(),
+      overlayText: z.string().max(200).optional(),
+      footerText: z.string().max(64).optional(),
+    })
+    .optional(),
   realtimeCanvasEnabled: z.boolean().optional(),
   aiDetailGenerationEnabled: z.boolean().optional(),
   canvasDefaultModelId: z.string().nullable().optional(),
@@ -693,6 +722,7 @@ export async function PUT(request: NextRequest) {
         "agentWorkflowUiConfig",
         "agentWorkflowMaterialApiConfig",
         "agentWorkflowBrandModelConfig",
+        "agentWorkflowShowcaseConfig",
       ]);
       const hasRestrictedKeys = Object.keys(body || {}).some((key) => !allowedKeys.has(key));
       if (hasRestrictedKeys) {
@@ -713,6 +743,7 @@ export async function PUT(request: NextRequest) {
       agentWorkflowUiConfig,
       agentWorkflowMaterialApiConfig,
       agentWorkflowBrandModelConfig,
+      agentWorkflowShowcaseConfig,
       membershipConfig,
       membershipUserOverrides,
       pointsSystemConfig,
@@ -981,6 +1012,26 @@ export async function PUT(request: NextRequest) {
           });
       }
 
+      if (agentWorkflowShowcaseConfig !== undefined) {
+        const normalized = normalizeAgentWorkflowShowcaseConfig(agentWorkflowShowcaseConfig);
+        await db
+          .insert(systemSettings)
+          .values({
+            key: AGENT_WORKFLOW_SHOWCASE_CONFIG_KEY,
+            value: normalized,
+            updatedAt: new Date(),
+            updatedBy: session.user.id,
+          })
+          .onConflictDoUpdate({
+            target: systemSettings.key,
+            set: {
+              value: normalized,
+              updatedAt: new Date(),
+              updatedBy: session.user.id,
+            },
+          });
+      }
+
       if (membershipConfig !== undefined) {
         const normalized = normalizeMembershipConfig(membershipConfig);
         await db
@@ -1165,6 +1216,10 @@ export async function PUT(request: NextRequest) {
           agentWorkflowBrandModelConfig !== undefined
             ? normalizeAgentWorkflowBrandModelConfig(agentWorkflowBrandModelConfig)
             : defaultAgentWorkflowBrandModelConfig,
+        agentWorkflowShowcaseConfig:
+          agentWorkflowShowcaseConfig !== undefined
+            ? normalizeAgentWorkflowShowcaseConfig(agentWorkflowShowcaseConfig)
+            : defaultAgentWorkflowShowcaseConfig,
         membershipConfig:
           membershipConfig !== undefined
             ? normalizeMembershipConfig(membershipConfig)
@@ -1477,6 +1532,26 @@ export async function PUT(request: NextRequest) {
           });
       }
 
+      if (agentWorkflowShowcaseConfig !== undefined) {
+        const normalized = normalizeAgentWorkflowShowcaseConfig(agentWorkflowShowcaseConfig);
+        await db
+          .insert(systemSettings)
+          .values({
+            key: AGENT_WORKFLOW_SHOWCASE_CONFIG_KEY,
+            value: normalized,
+            updatedAt: new Date(),
+            updatedBy: session.user.id,
+          })
+          .onConflictDoUpdate({
+            target: systemSettings.key,
+            set: {
+              value: normalized,
+              updatedAt: new Date(),
+              updatedBy: session.user.id,
+            },
+          });
+      }
+
       if (membershipConfig !== undefined) {
         const normalized = normalizeMembershipConfig(membershipConfig);
         await db
@@ -1661,6 +1736,10 @@ export async function PUT(request: NextRequest) {
           agentWorkflowBrandModelConfig !== undefined
             ? normalizeAgentWorkflowBrandModelConfig(agentWorkflowBrandModelConfig)
             : defaultAgentWorkflowBrandModelConfig,
+        agentWorkflowShowcaseConfig:
+          agentWorkflowShowcaseConfig !== undefined
+            ? normalizeAgentWorkflowShowcaseConfig(agentWorkflowShowcaseConfig)
+            : defaultAgentWorkflowShowcaseConfig,
         membershipConfig:
           membershipConfig !== undefined
             ? normalizeMembershipConfig(membershipConfig)
diff --git a/app/canvas/[id]/page.tsx b/app/canvas/[id]/page.tsx
index 65b59d7b1..08697f49d 100644
--- a/app/canvas/[id]/page.tsx
+++ b/app/canvas/[id]/page.tsx
@@ -95,6 +95,7 @@ import type {
   AgentWorkflowMaterialSelections,
   AgentWorkflowPersistedState,
   AgentWorkflowSelectedBrandModel,
+  AgentWorkflowShowcaseConfig,
   AgentWorkflowStepKey,
 } from "@/types/agent";
 
@@ -196,6 +197,7 @@ export default function CanvasEditorPage({ params }: PageProps) {
     agentEnabled?: boolean;
     realtimeCanvasEnabled?: boolean;
     realtimeCanvasServiceEnabled?: boolean;
+    agentWorkflowShowcaseConfig?: AgentWorkflowShowcaseConfig;
     agentWorkflowUiConfig?: {
       steps?: Array<{
         key: AgentWorkflowStepKey;
@@ -1009,6 +1011,10 @@ export default function CanvasEditorPage({ params }: PageProps) {
           onMaterialsChange={setWorkflowMaterials}
           selections={workflowSelections}
           onSelectionsChange={setWorkflowSelections}
+          siteName={siteSettingsData?.siteName}
+          siteLogo={siteSettingsData?.siteLogo}
+          siteLogoDark={siteSettingsData?.siteLogoDark}
+          showcaseConfig={siteSettingsData?.agentWorkflowShowcaseConfig}
           onNextStep={() => setCurrentAgentStage("mode")}
           onSkipStep={() => setCurrentAgentStage("mode")}
           onReset={() => {
@@ -1031,16 +1037,38 @@ export default function CanvasEditorPage({ params }: PageProps) {
         selectedAgentPresetId={isAgentFeatureEnabled ? selectedAgentPresetId : null}
         selectedBrandModel={selectedBrandModel}
         workflowContext={workflowContext}
+        siteName={siteSettingsData?.siteName}
+        siteLogo={siteSettingsData?.siteLogo}
+        siteLogoDark={siteSettingsData?.siteLogoDark}
         onBack={() => setCurrentAgentStage("workflow")}
         onClearPreset={() => setSelectedAgentPresetId(null)}
         // 嵌入的智能体选择面板
         presetPanel={
           <AgentPresetPanelDarkV2
             embedded
+            embeddedEntityLabel="生图模式"
             selectedPresetId={selectedAgentPresetId}
             onSelectPreset={setSelectedAgentPresetId}
           />
         }
+        brandModelPanel={
+          <AgentWorkflowBrandModelPicker
+            brand={workflowInputs.brand}
+            selectedBrandModel={selectedBrandModel}
+            onSelectBrandModel={setSelectedBrandModel}
+            theme="dark"
+          />
+        }
+        materialSelectionPanel={
+          <AgentWorkflowMaterialSelectionPanel
+            inputs={workflowInputs}
+            onInputsChange={setWorkflowInputs}
+            materials={workflowMaterials}
+            onMaterialsChange={setWorkflowMaterials}
+            disabled={!selectedAgentPresetId}
+            theme="dark"
+          />
+        }
       />
     );
   }
diff --git a/components/agents/AgentCanvasTopNavDark.tsx b/components/agents/AgentCanvasTopNavDark.tsx
new file mode 100644
index 000000000..3dc298e1a
--- /dev/null
+++ b/components/agents/AgentCanvasTopNavDark.tsx
@@ -0,0 +1,123 @@
+"use client";
+
+import type { ReactNode } from "react";
+import { ArrowLeft, Images, LayoutGrid, Sparkles, Wand2 } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
+
+interface AgentCanvasTopNavDarkProps {
+  siteName?: string | null;
+  siteLogo?: string | null;
+  siteLogoDark?: string | null;
+  onBack?: () => void;
+  rightSlot?: ReactNode;
+  activeKey?: "featured" | "agent" | "canvas" | "gallery";
+}
+
+const NAV_ITEMS = [
+  {
+    key: "featured" as const,
+    label: "AI精选",
+    icon: Sparkles,
+    onClick: () => window.location.assign("/featured"),
+  },
+  {
+    key: "agent" as const,
+    label: "智能体",
+    icon: Wand2,
+    onClick: () => window.location.assign("/canvas?mode=agent"),
+  },
+  {
+    key: "canvas" as const,
+    label: "无限画布",
+    icon: LayoutGrid,
+    onClick: () => window.location.assign(`/canvas/${crypto.randomUUID()}`),
+  },
+  {
+    key: "gallery" as const,
+    label: "我的图册",
+    icon: Images,
+    onClick: () => window.location.assign("/gallery"),
+  },
+];
+
+export function AgentCanvasTopNavDark({
+  siteName = "AI Chatbot",
+  siteLogo,
+  siteLogoDark,
+  onBack,
+  rightSlot = null,
+  activeKey = "agent",
+}: AgentCanvasTopNavDarkProps) {
+  const resolvedSiteName = String(siteName || "AI Chatbot").trim() || "AI Chatbot";
+  const displayLogo = siteLogoDark?.trim() || siteLogo?.trim() || "";
+  const shouldInvertLogo = !siteLogoDark?.trim() && Boolean(siteLogo?.trim());
+
+  return (
+    <header className="fixed top-0 left-0 right-0 z-50 border-b border-white/5 bg-black/80 backdrop-blur-xl">
+      <div className="mx-auto max-w-[1480px] px-6 lg:px-8 xl:px-10">
+        <div className="flex h-16 items-center justify-between gap-4">
+          <div className="flex min-w-0 items-center gap-3">
+            {onBack ? (
+              <button
+                type="button"
+                onClick={onBack}
+                className="flex h-9 w-9 shrink-0 items-center justify-center rounded-lg bg-white/5 text-white/60 transition-colors hover:bg-white/10 hover:text-white"
+                aria-label="返回上一步"
+              >
+                <ArrowLeft className="h-5 w-5" />
+              </button>
+            ) : null}
+
+            <button
+              type="button"
+              onClick={() => window.location.assign("/")}
+              className="flex min-w-0 items-center gap-2.5 transition-opacity hover:opacity-80"
+            >
+              {displayLogo ? (
+                <img
+                  src={displayLogo}
+                  alt={resolvedSiteName}
+                  className={cn(
+                    "h-8 w-8 shrink-0 object-contain",
+                    shouldInvertLogo && "brightness-0 invert"
+                  )}
+                />
+              ) : (
+                <div className="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg bg-white/10">
+                  <Wand2 className="h-4 w-4 text-white" />
+                </div>
+              )}
+              <span className="truncate text-base font-semibold text-white">{resolvedSiteName}</span>
+            </button>
+          </div>
+
+          <nav className="hidden items-center gap-2 md:flex">
+            {NAV_ITEMS.map((item) => {
+              const Icon = item.icon;
+              const isActive = item.key === activeKey;
+              return (
+                <button
+                  key={item.key}
+                  type="button"
+                  onClick={item.onClick}
+                  className={cn(
+                    "flex items-center gap-2 rounded-full px-4 py-2 text-sm font-medium transition-all duration-300",
+                    isActive
+                      ? "bg-white text-black"
+                      : "bg-white/5 text-white/60 hover:bg-white/10 hover:text-white"
+                  )}
+                >
+                  <Icon className="h-4 w-4" />
+                  {item.label}
+                </button>
+              );
+            })}
+          </nav>
+
+          <div className="flex shrink-0 items-center justify-end">{rightSlot}</div>
+        </div>
+      </div>
+    </header>
+  );
+}
diff --git a/components/agents/AgentGenerationWorkspaceDarkV2.tsx b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
index 4485c1b5e..869b06d7b 100644
--- a/components/agents/AgentGenerationWorkspaceDarkV2.tsx
+++ b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
@@ -2,7 +2,7 @@
 
 import { useChat } from "@ai-sdk/react";
 import { DefaultChatTransport } from "ai";
-import { useCallback, useEffect, useMemo, useRef, useState } from "react";
+import { useCallback, useEffect, useMemo, useRef, useState, type ReactNode } from "react";
 import useSWR from "swr";
 import { motion, AnimatePresence } from "framer-motion";
 import {
@@ -15,12 +15,6 @@ import {
   X,
   Wand2,
   Settings2,
-  ArrowLeft,
-  LayoutGrid,
-  FolderOpen,
-  User,
-  Building2,
-  Menu
 } from "lucide-react";
 import { toast } from "sonner";
 import { Button } from "@/components/ui/button";
@@ -40,15 +34,13 @@ import { buildImageProxyUrl } from "@/lib/image-delivery";
 import { extractImageUrlsFromText } from "@/lib/image-url";
 import type { Attachment, ChatMessage } from "@/lib/types";
 import { cn, fetchWithErrorHandlers, fetcher, generateUUID } from "@/lib/utils";
+import { AgentCanvasTopNavDark } from "@/components/agents/AgentCanvasTopNavDark";
 import type {
   AgentPreset,
   AgentWorkflowComposerContext,
   AgentWorkflowSelectedBrandModel,
 } from "@/types/agent";
 
-// 导航标签类型
-type NavTab = "cases" | "my-works" | "personal-assets" | "company-assets";
-
 interface AgentGenerationWorkspaceDarkV2Props {
   chatId: string;
   projectId: string;
@@ -56,16 +48,87 @@ interface AgentGenerationWorkspaceDarkV2Props {
   selectedBrandModel?: AgentWorkflowSelectedBrandModel | null;
   workflowContext?: AgentWorkflowComposerContext | null;
   onBack?: () => void;
-  presetPanel?: React.ReactNode;
+  presetPanel?: ReactNode;
+  materialSelectionPanel?: ReactNode;
+  brandModelPanel?: ReactNode;
   onClearPreset?: () => void;
+  siteName?: string | null;
+  siteLogo?: string | null;
+  siteLogoDark?: string | null;
 }
 
 interface PickedAttachment extends Attachment {}
 
+interface GeneratedImageGroup {
+  messageId: string;
+  imageUrls: string[];
+  text: string;
+}
+
 function buildPreviewImageUrl(url: string, width: number) {
   return buildImageProxyUrl(url, { width, quality: 86, format: "webp" });
 }
 
+function buildDownloadFilename(url: string): string {
+  const fallback = `canvas-image-${Date.now()}.png`;
+  const raw = String(url || "").trim();
+  if (!raw) return fallback;
+  try {
+    const pathname = new URL(raw).pathname || "";
+    const candidate = pathname.split("/").pop() || "";
+    return candidate || fallback;
+  } catch {
+    const candidate = raw.split("/").pop()?.split("?")[0] || "";
+    return candidate || fallback;
+  }
+}
+
+function normalizeAssistantText(value: string) {
+  return String(value || "")
+    .replace(/\n*<!-- GENERATING_IMAGE -->\n*/g, "")
+    .replace(/\n*<!-- IMAGE_GENERATION_START -->\n*/g, "")
+    .replace(/\n*<!-- IMAGE_GENERATION_END -->\n*/g, "")
+    .replace(/!\[[^\]]*\]\((https?:\/\/[^\s)]+)\)/g, "")
+    .trim();
+}
+
+function getImageDimensions(url: string): Promise<{
+  width: number;
+  height: number;
+  originalWidth: number;
+  originalHeight: number;
+}> {
+  return new Promise((resolve) => {
+    const img = new Image();
+    img.onload = () => {
+      const maxSize = 500;
+      const originalWidth = img.naturalWidth;
+      const originalHeight = img.naturalHeight;
+      let width = originalWidth;
+      let height = originalHeight;
+
+      if (width > maxSize || height > maxSize) {
+        const scale = Math.min(maxSize / width, maxSize / height);
+        width = Math.round(width * scale);
+        height = Math.round(height * scale);
+      }
+
+      const minSize = 150;
+      if (width < minSize && height < minSize) {
+        const scale = minSize / Math.min(width, height);
+        width = Math.round(width * scale);
+        height = Math.round(height * scale);
+      }
+
+      resolve({ width, height, originalWidth, originalHeight });
+    };
+    img.onerror = () => {
+      resolve({ width: 300, height: 300, originalWidth: 0, originalHeight: 0 });
+    };
+    img.src = url;
+  });
+}
+
 export function AgentGenerationWorkspaceDarkV2({
   chatId,
   projectId,
@@ -74,7 +137,12 @@ export function AgentGenerationWorkspaceDarkV2({
   workflowContext = null,
   onBack,
   presetPanel,
+  materialSelectionPanel,
+  brandModelPanel,
   onClearPreset,
+  siteName,
+  siteLogo,
+  siteLogoDark,
 }: AgentGenerationWorkspaceDarkV2Props) {
   const rawChatId = useMemo(
     () => (chatId.startsWith("canvas-") ? chatId.replace("canvas-", "") : chatId),
@@ -85,6 +153,7 @@ export function AgentGenerationWorkspaceDarkV2({
   const fileInputRefs = useRef<Array<HTMLInputElement | null>>([]);
   const hiddenPromptRef = useRef<string | null>(null);
   const generatedImageKeysRef = useRef<Set<string>>(new Set());
+  const lastSyncedBrandModelUrlRef = useRef<string | null>(null);
   
   const [input, setInput] = useState("");
   const [attachments, setAttachments] = useState<Array<PickedAttachment | null>>([]);
@@ -184,6 +253,22 @@ export function AgentGenerationWorkspaceDarkV2({
     }),
   });
 
+  useEffect(() => {
+    if (!messages.length && historyMessages.length) {
+      setMessages(historyMessages);
+    }
+  }, [historyMessages, messages.length, setMessages]);
+
+  useEffect(() => {
+    if (selectedAgentPreset?.defaultModelId) {
+      setSelectedModelId(selectedAgentPreset.defaultModelId);
+      return;
+    }
+    if (modelsData?.defaultModelId) {
+      setSelectedModelId(modelsData.defaultModelId);
+    }
+  }, [modelsData?.defaultModelId, selectedAgentPreset?.defaultModelId]);
+
   // 初始化附件
   useEffect(() => {
     if (!hasAgentUploadSlots) {
@@ -220,7 +305,51 @@ export function AgentGenerationWorkspaceDarkV2({
     });
   }, [agentUploadSlots.length, hasAgentUploadSlots, referenceImages]);
 
-  const generatedGroups = useMemo(() => {
+  useEffect(() => {
+    if (!hasAgentUploadSlots) {
+      lastSyncedBrandModelUrlRef.current = null;
+      return;
+    }
+
+    const nextAttachment = selectedBrandModel?.imageUrl
+      ? {
+          url: selectedBrandModel.imageUrl,
+          name: selectedBrandModel.displayName || `${selectedBrandModel.brandName} 模特图`,
+          contentType: selectedBrandModel.mimeType || "image/png",
+          assetId: selectedBrandModel.assetId || undefined,
+        }
+      : null;
+
+    setAttachments((current) => {
+      const slots: Array<PickedAttachment | null> = Array.from(
+        { length: Math.max(agentUploadSlots.length, 3) },
+        (_, index) => current[index] ?? null
+      );
+      const currentSlot = slots[2] ?? null;
+      const previousSyncedUrl = lastSyncedBrandModelUrlRef.current;
+
+      if (nextAttachment) {
+        slots[2] = nextAttachment;
+      } else if (previousSyncedUrl && currentSlot?.url === previousSyncedUrl) {
+        slots[2] = null;
+      }
+
+      return slots;
+    });
+
+    lastSyncedBrandModelUrlRef.current = nextAttachment?.url || null;
+  }, [
+    agentUploadSlots.length,
+    hasAgentUploadSlots,
+    selectedBrandModel?.assetId,
+    selectedBrandModel?.brandName,
+    selectedBrandModel?.displayName,
+    selectedBrandModel?.id,
+    selectedBrandModel?.imageUrl,
+    selectedBrandModel?.mimeType,
+  ]);
+
+  const generatedGroups = useMemo<GeneratedImageGroup[]>(() => {
     return messages
       .filter((message) => message.role === "assistant")
       .map((message) => {
@@ -230,7 +359,11 @@ export function AgentGenerationWorkspaceDarkV2({
         const imageUrls = Array.from(
           new Set(textParts.flatMap((text) => extractImageUrlsFromText(text)))
         );
-        return { messageId: message.id, imageUrls, text: textParts.join("\n\n").replace(/!\[[^\]]*\]\([^)]+\)/g, "").trim() };
+        return {
+          messageId: message.id,
+          imageUrls,
+          text: normalizeAssistantText(textParts.join("\n\n")),
+        };
       })
       .filter((group) => group.imageUrls.length > 0);
   }, [messages]);
@@ -249,6 +382,43 @@ export function AgentGenerationWorkspaceDarkV2({
     }
   }, [latestGeneratedGroup?.imageUrls, selectedResultUrl]);
 
+  useEffect(() => {
+    const latestUrls = latestGeneratedGroup?.imageUrls || [];
+    if (latestUrls.length === 0) return;
+
+    latestUrls.forEach(async (url, index) => {
+      if (!url || generatedImageKeysRef.current.has(url)) return;
+      generatedImageKeysRef.current.add(url);
+
+      try {
+        const dimensions = await getImageDimensions(url);
+        const nodeIndex = nodes.length + index;
+        const spacing = 20;
+        const x = 120 + (nodeIndex % 3) * (dimensions.width + spacing);
+        const y = 120 + Math.floor(nodeIndex / 3) * (dimensions.height + spacing);
+
+        addNode({
+          type: "image",
+          position: { x, y },
+          size: { width: dimensions.width, height: dimensions.height },
+          data: {
+            src: url,
+            status: "completed",
+            title: "生成结果",
+            prompt: latestGeneratedGroup.text || "生成结果",
+            metadata: {
+              originalWidth: dimensions.originalWidth,
+              originalHeight: dimensions.originalHeight,
+            },
+          },
+          connections: [],
+        });
+      } catch (error) {
+        console.warn("[AgentGenerationWorkspaceDarkV2] Failed to add generated image to canvas:", error);
+      }
+    });
+  }, [addNode, latestGeneratedGroup, nodes.length]);
+
   const updateAttachmentAtSlot = useCallback((slotIndex: number, attachment: PickedAttachment | null) => {
     const slotCount = Math.max(agentUploadSlots.length, 1);
     setAttachments((current) => {
@@ -332,95 +502,90 @@ export function AgentGenerationWorkspaceDarkV2({
     setInput("");
   }, [attachments, hasAgentUploadSlots, input, requiredUploadCount, selectedAgentPreset, selectedAgentPresetId, sendMessage, workflowContext?.promptText, workflowContext?.summaryText]);
 
-  // 导航标签配置
-  const navTabs = [
-    { id: "cases" as NavTab, label: "案例广场", icon: LayoutGrid },
-    { id: "my-works" as NavTab, label: "我的作品", icon: FolderOpen },
-    { id: "personal-assets" as NavTab, label: "个人资产库", icon: User },
-    { id: "company-assets" as NavTab, label: "公司资产库", icon: Building2 },
-  ];
+  const handleDownloadOriginalImage = useCallback(async (imageUrl: string) => {
+    const raw = String(imageUrl || "").trim();
+    if (!raw) {
+      toast.error("图片地址无效");
+      return;
+    }
+
+    const filename = buildDownloadFilename(raw);
+    try {
+      const response = await fetch(raw);
+      if (!response.ok) {
+        throw new Error(`download failed: ${response.status}`);
+      }
+      const blob = await response.blob();
+      const blobUrl = window.URL.createObjectURL(blob);
+      const link = document.createElement("a");
+      link.href = blobUrl;
+      link.download = filename;
+      document.body.appendChild(link);
+      link.click();
+      document.body.removeChild(link);
+      window.URL.revokeObjectURL(blobUrl);
+    } catch {
+      const link = document.createElement("a");
+      link.href = raw;
+      link.target = "_blank";
+      link.rel = "noopener noreferrer";
+      document.body.appendChild(link);
+      link.click();
+      document.body.removeChild(link);
+      toast.message("已打开原图，可右键另存为");
+    }
+  }, []);
 
   return (
     <div className="min-h-screen bg-black">
-      {/* 顶部固定导航栏 - 与第一步保持一致 */}
-      <header className="fixed top-0 left-0 right-0 z-50 border-b border-white/5 bg-black/80 backdrop-blur-xl">
-        <div className="mx-auto max-w-[1800px] px-6">
-          <div className="flex h-16 items-center justify-between">
-            {/* Logo & Site Name & Back */}
-            <div className="flex items-center gap-3">
-              <button 
-                onClick={onBack}
-                className="flex h-9 w-9 items-center justify-center rounded-lg bg-white/5 text-white/60 hover:bg-white/10 hover:text-white transition-colors"
-              >
-                <ArrowLeft className="h-5 w-5" />
-              </button>
-              <div className="flex items-center gap-2.5">
-                <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-gradient-to-br from-violet-500 to-purple-600">
-                  <Wand2 className="h-4 w-4 text-white" />
-                </div>
-                <span className="text-base font-semibold text-white">AI创作平台</span>
-              </div>
-            </div>
-
-            {/* 导航标签 */}
-            <nav className="flex items-center gap-1 rounded-full bg-white/5 p-1">
-              {navTabs.map((tab) => {
-                const Icon = tab.icon;
-                return (
-                  <button
-                    key={tab.id}
-                    className="flex items-center gap-2 rounded-full px-4 py-2 text-sm font-medium text-white/60 transition-all duration-300 hover:text-white hover:bg-white/5"
-                  >
-                    <Icon className="h-4 w-4" />
-                    {tab.label}
-                  </button>
-                );
-              })}
-            </nav>
-
-            {/* 右侧占位 */}
-            <div className="w-20" />
-          </div>
-        </div>
-      </header>
+      <AgentCanvasTopNavDark
+        siteName={siteName}
+        siteLogo={siteLogo}
+        siteLogoDark={siteLogoDark}
+        onBack={onBack}
+        activeKey="agent"
+        rightSlot={<div className="w-10" />}
+      />
 
       {/* Main Content */}
       <main className="pt-16">
-        <div className="mx-auto max-w-[1800px] px-6 py-6">
+        <div className="mx-auto flex min-h-[calc(100vh-64px)] max-w-[1480px] flex-col px-6 py-6 lg:px-8 xl:px-10">
           {/* 步骤指示器 */}
-          <motion.div 
+          <motion.div
             className="mb-6 flex items-center justify-center gap-2 text-sm"
             initial={{ opacity: 0, y: -10 }}
             animate={{ opacity: 1, y: 0 }}
           >
             <span className="text-white/40">第一步：风格选择</span>
             <span className="text-white/20">→</span>
-            <span className="text-emerald-400 font-medium">第二步：智能体生图</span>
+            <span className="text-emerald-400 font-medium">第二步：生图模式</span>
           </motion.div>
 
-          <div className="grid grid-cols-1 gap-6 lg:grid-cols-[360px_1fr]">
+          <div className="grid min-h-0 flex-1 grid-cols-1 gap-6 lg:h-[calc(100vh-136px)] lg:grid-cols-[400px_minmax(0,1fr)]">
             {/* Left Panel - Controls */}
-            <div className="space-y-4">
+            <div className="min-h-0 space-y-4 lg:overflow-y-auto lg:pr-2">
               {/* 嵌入的智能体选择面板 */}
               {!selectedAgentPreset && presetPanel && (
                 <motion.div
                   initial={{ opacity: 0, y: 20 }}
                   animate={{ opacity: 1, y: 0 }}
-                  className="rounded-xl border border-white/5 bg-white/[0.02] p-4 max-h-[400px] overflow-y-auto"
+                  className="rounded-2xl border border-white/12 bg-white/[0.04] p-4 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                 >
-                  <h3 className="mb-3 text-sm font-semibold text-white">选择智能体</h3>
-                  {presetPanel}
+                  <h3 className="mb-3 text-sm font-semibold text-white">选择生图模式</h3>
+                  <div className="max-h-[480px] overflow-y-auto pr-1">
+                    {presetPanel}
+                  </div>
                 </motion.div>
               )}
 
               {/* 已选智能体信息 */}
               {selectedAgentPreset && (
-                <motion.div 
-                  className="rounded-xl border border-white/10 bg-white/[0.03] p-4"
+                <motion.div
+                  className="rounded-2xl border border-white/12 bg-white/[0.05] p-4 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                   initial={{ opacity: 0, x: -20 }}
                   animate={{ opacity: 1, x: 0 }}
                 >
-                  <div className="mb-2 text-xs text-white/40">当前智能体</div>
+                  <div className="mb-2 text-xs text-white/40">当前生图模式</div>
                   <div className="flex items-center gap-3">
                     {selectedAgentPreset.avatarUrl ? (
                       <img 
@@ -443,15 +608,35 @@ export function AgentGenerationWorkspaceDarkV2({
                       onClick={onClearPreset}
                       className="mt-3 text-xs text-violet-400 hover:text-violet-300"
                     >
-                      更换智能体 →
+                      更换生图模式 →
                     </button>
                   )}
                 </motion.div>
               )}
 
+              {selectedAgentPresetId && brandModelPanel ? (
+                <motion.div
+                  initial={{ opacity: 0, y: 20 }}
+                  animate={{ opacity: 1, y: 0 }}
+                  transition={{ delay: 0.05 }}
+                >
+                  {brandModelPanel}
+                </motion.div>
+              ) : null}
+
+              {materialSelectionPanel ? (
+                <motion.div
+                  initial={{ opacity: 0, y: 20 }}
+                  animate={{ opacity: 1, y: 0 }}
+                  transition={{ delay: 0.08 }}
+                >
+                  {materialSelectionPanel}
+                </motion.div>
+              ) : null}
+
               {/* Image Slots */}
-              <motion.section 
-                className="rounded-xl border border-white/5 bg-white/[0.02] p-4"
+              <motion.section
+                className="rounded-2xl border border-white/12 bg-white/[0.04] p-4 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                 initial={{ opacity: 0, y: 20 }}
                 animate={{ opacity: 1, y: 0 }}
                 transition={{ delay: 0.1 }}
@@ -460,69 +645,78 @@ export function AgentGenerationWorkspaceDarkV2({
                   <ImagePlus className="h-4 w-4 text-violet-400" />
                   图片槽位
                 </h3>
-                <div className="grid grid-cols-3 gap-2">
-                  {agentUploadSlots.map((slot, index) => (
-                    <motion.button
-                      key={slot.label}
-                      type="button"
-                      onClick={() => fileInputRefs.current[index]?.click()}
-                      whileHover={{ scale: 1.05 }}
-                      whileTap={{ scale: 0.95 }}
-                      className={cn(
-                        "group relative aspect-square overflow-hidden rounded-lg transition-all",
-                        attachments[index]
-                          ? "ring-2 ring-violet-500/30"
-                          : "border-2 border-dashed border-white/10 hover:border-violet-500/30"
-                      )}
-                    >
-                      <input
-                        ref={(el) => (fileInputRefs.current[index] = el)}
-                        type="file"
-                        accept="image/*"
-                        className="hidden"
-                        onChange={(e) => handleSlotFileChange(index, e)}
-                      />
-                      {attachments[index] ? (
-                        <>
-                          <img
-                            src={buildPreviewImageUrl(attachments[index]!.url, 256)}
-                            alt={attachments[index]!.name || slot.label}
-                            className="h-full w-full object-cover"
-                          />
-                          <div className="absolute inset-x-0 bottom-0 bg-black/60 px-2 py-1 text-[10px] text-white">
-                            {slot.label}
+                {agentUploadSlots.length > 0 ? (
+                  <div className="grid grid-cols-3 gap-2">
+                    {agentUploadSlots.map((slot, index) => (
+                      <motion.button
+                        key={slot.label}
+                        type="button"
+                        onClick={() => fileInputRefs.current[index]?.click()}
+                        whileHover={{ scale: 1.03 }}
+                        whileTap={{ scale: 0.97 }}
+                        className={cn(
+                          "group relative aspect-square overflow-hidden rounded-xl transition-all",
+                          attachments[index]
+                            ? "ring-2 ring-violet-500/40"
+                            : "border-2 border-dashed border-white/15 bg-black/25 hover:border-violet-500/35"
+                        )}
+                      >
+                        <input
+                          ref={(el) => {
+                            fileInputRefs.current[index] = el;
+                          }}
+                          type="file"
+                          accept="image/*"
+                          className="hidden"
+                          onChange={(e) => handleSlotFileChange(index, e)}
+                        />
+                        {attachments[index] ? (
+                          <>
+                            <img
+                              src={buildPreviewImageUrl(attachments[index]!.url, 256)}
+                              alt={attachments[index]!.name || slot.label}
+                              className="h-full w-full object-cover"
+                            />
+                            <div className="absolute inset-x-0 bottom-0 bg-black/60 px-2 py-1 text-[10px] text-white">
+                              {slot.label}
+                            </div>
+                            <button
+                              type="button"
+                              className="absolute right-1 top-1 flex h-5 w-5 items-center justify-center rounded-full bg-white/20 text-white opacity-0 transition-opacity group-hover:opacity-100"
+                              onClick={(e) => {
+                                e.stopPropagation();
+                                updateAttachmentAtSlot(index, null);
+                              }}
+                            >
+                              <X className="h-3 w-3" />
+                            </button>
+                          </>
+                        ) : (
+                          <div className="flex h-full flex-col items-center justify-center gap-1 text-white/30">
+                            {slotUploading === index ? (
+                              <Loader2 className="h-5 w-5 animate-spin text-violet-500" />
+                            ) : (
+                              <>
+                                <Upload className="h-5 w-5" />
+                                <span className="text-[10px]">{slot.label}</span>
+                              </>
+                            )}
                           </div>
-                          <button
-                            type="button"
-                            className="absolute right-1 top-1 flex h-5 w-5 items-center justify-center rounded-full bg-white/20 text-white opacity-0 transition-opacity group-hover:opacity-100"
-                            onClick={(e) => {
-                              e.stopPropagation();
-                              updateAttachmentAtSlot(index, null);
-                            }}
-                          >
-                            <X className="h-3 w-3" />
-                          </button>
-                        </>
-                      ) : (
-                        <div className="flex h-full flex-col items-center justify-center gap-1 text-white/30">
-                          {slotUploading === index ? (
-                            <Loader2 className="h-5 w-5 animate-spin text-violet-500" />
-                          ) : (
-                            <>
-                              <Upload className="h-5 w-5" />
-                              <span className="text-[10px]">{slot.label}</span>
-                            </>
-                          )}
-                        </div>
-                      )}
-                    </motion.button>
-                  ))}
-                </div>
+                        )}
+                      </motion.button>
+                    ))}
+                  </div>
+                ) : (
+                  <div className="flex min-h-[132px] flex-col items-center justify-center rounded-2xl border border-dashed border-white/12 bg-black/20 px-4 text-center text-sm text-white/45">
+                    <ImagePlus className="mb-2 h-5 w-5 opacity-60" />
+                    先选择一个生图模式，系统会自动展示产品图1、产品图2和模特图槽位。
+                  </div>
+                )}
               </motion.section>
 
               {/* Prompt Input */}
-              <motion.section 
-                className="rounded-xl border border-white/5 bg-white/[0.02] p-4"
+              <motion.section
+                className="rounded-2xl border border-white/12 bg-white/[0.04] p-4 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                 initial={{ opacity: 0, y: 20 }}
                 animate={{ opacity: 1, y: 0 }}
                 transition={{ delay: 0.2 }}
@@ -540,8 +734,8 @@ export function AgentGenerationWorkspaceDarkV2({
               </motion.section>
 
               {/* Settings */}
-              <motion.section 
-                className="rounded-xl border border-white/5 bg-white/[0.02] p-4"
+              <motion.section
+                className="rounded-2xl border border-white/12 bg-white/[0.04] p-4 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                 initial={{ opacity: 0, y: 20 }}
                 animate={{ opacity: 1, y: 0 }}
                 transition={{ delay: 0.3 }}
@@ -552,7 +746,7 @@ export function AgentGenerationWorkspaceDarkV2({
                 </h3>
                 <div className="space-y-3">
                   <Select value={selectedModelId} onValueChange={setSelectedModelId}>
-                    <SelectTrigger className="h-10 rounded-lg border-white/5 bg-black text-white">
+                    <SelectTrigger className="h-10 rounded-lg border-white/12 bg-black text-white">
                       <SelectValue placeholder="选择模型" />
                     </SelectTrigger>
                     <SelectContent className="border-white/10 bg-zinc-900">
@@ -601,13 +795,27 @@ export function AgentGenerationWorkspaceDarkV2({
             </div>
 
             {/* Right Panel - Results */}
-            <div className="flex flex-col">
-              <motion.div 
-                className="relative flex-1 min-h-[500px] rounded-xl border border-white/5 bg-white/[0.02] overflow-hidden"
+            <div className="flex min-h-0 flex-col">
+              <motion.div
+                className="relative flex min-h-[500px] flex-1 flex-col overflow-hidden rounded-[28px] border border-white/12 bg-white/[0.04] shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                 initial={{ opacity: 0, scale: 0.98 }}
                 animate={{ opacity: 1, scale: 1 }}
                 transition={{ delay: 0.2 }}
               >
+                <div className="flex items-center justify-between border-b border-white/12 px-5 py-4">
+                  <div>
+                    <div className="text-sm font-semibold text-white">结果预览</div>
+                    <div className="text-xs text-white/40">
+                      生成完成后会同步回到画布，并在这里保留预览与切换。
+                    </div>
+                  </div>
+                  {allGeneratedImages.length > 0 ? (
+                    <div className="rounded-full bg-white/8 px-3 py-1 text-xs text-white/60">
+                      共 {allGeneratedImages.length} 张
+                    </div>
+                  ) : null}
+                </div>
+
                 <AnimatePresence mode="wait">
                   {isGenerating ? (
                     <motion.div
@@ -615,7 +823,7 @@ export function AgentGenerationWorkspaceDarkV2({
                       initial={{ opacity: 0 }}
                       animate={{ opacity: 1 }}
                       exit={{ opacity: 0 }}
-                      className="flex h-full items-center justify-center"
+                      className="flex flex-1 items-center justify-center"
                     >
                       <ImageGenerationLoading
                         imageCount={imageParams.imageCount || 1}
@@ -631,7 +839,7 @@ export function AgentGenerationWorkspaceDarkV2({
                       initial={{ opacity: 0, scale: 0.95 }}
                       animate={{ opacity: 1, scale: 1 }}
                       exit={{ opacity: 0, scale: 0.95 }}
-                      className="relative flex h-full items-center justify-center p-6"
+                      className="relative flex flex-1 items-center justify-center p-6"
                     >
                       <img
                         src={buildPreviewImageUrl(displayedResultUrl, 1400)}
@@ -640,7 +848,9 @@ export function AgentGenerationWorkspaceDarkV2({
                         onClick={() => setFullscreenPreview(displayedResultUrl)}
                       />
                       <button
-                        onClick={() => setFullscreenPreview(displayedResultUrl)}
+                        onClick={() => {
+                          void handleDownloadOriginalImage(displayedResultUrl);
+                        }}
                         className="absolute bottom-6 right-6 flex h-10 items-center gap-2 rounded-full bg-white/10 px-4 text-sm text-white backdrop-blur-md transition-colors hover:bg-white/20"
                       >
                         <Download className="h-4 w-4" />
@@ -653,7 +863,7 @@ export function AgentGenerationWorkspaceDarkV2({
                       initial={{ opacity: 0 }}
                       animate={{ opacity: 1 }}
                       exit={{ opacity: 0 }}
-                      className="flex h-full flex-col items-center justify-center text-center"
+                      className="flex flex-1 flex-col items-center justify-center text-center"
                     >
                       <div className="mb-4 flex h-16 w-16 items-center justify-center rounded-2xl bg-white/5">
                         <Wand2 className="h-8 w-8 text-white/20" />
@@ -664,40 +874,41 @@ export function AgentGenerationWorkspaceDarkV2({
                       <p className="mt-2 text-sm text-white/30">
                         {selectedAgentPresetId
                           ? "配置图片槽位后点击开始生成"
-                          : "从左侧选择或创建一个智能体"}
+                          : "从左侧选择一个生图模式后继续"}
                       </p>
                     </motion.div>
                   )}
                 </AnimatePresence>
-              </motion.div>
 
-              {/* Thumbnails */}
-              {allGeneratedImages.length > 0 && (
-                <motion.div
-                  initial={{ opacity: 0, y: 20 }}
-                  animate={{ opacity: 1, y: 0 }}
-                  className="mt-4 flex gap-2 overflow-x-auto pb-2"
-                >
-                  {allGeneratedImages.map((url) => (
-                    <button
-                      key={url}
-                      onClick={() => setSelectedResultUrl(url)}
-                      className={cn(
-                        "relative flex-shrink-0 overflow-hidden rounded-lg transition-all",
-                        selectedResultUrl === url
-                          ? "ring-2 ring-violet-500"
-                          : "ring-1 ring-white/10 hover:ring-white/30"
-                      )}
-                    >
-                      <img
-                        src={buildPreviewImageUrl(url, 200)}
-                        alt="缩略图"
-                        className="h-16 w-16 object-cover"
-                      />
-                    </button>
-                  ))}
-                </motion.div>
-              )}
+                {allGeneratedImages.length > 0 ? (
+                  <motion.div
+                    initial={{ opacity: 0, y: 12 }}
+                    animate={{ opacity: 1, y: 0 }}
+                    className="border-t border-white/12 bg-black/20 px-4 py-3"
+                  >
+                    <div className="flex gap-2 overflow-x-auto pb-1">
+                      {allGeneratedImages.map((url) => (
+                        <button
+                          key={url}
+                          onClick={() => setSelectedResultUrl(url)}
+                          className={cn(
+                            "relative flex-shrink-0 overflow-hidden rounded-xl transition-all",
+                            displayedResultUrl === url
+                              ? "ring-2 ring-violet-500"
+                              : "ring-1 ring-white/12 hover:ring-white/30"
+                          )}
+                        >
+                          <img
+                            src={buildPreviewImageUrl(url, 240)}
+                            alt="缩略图"
+                            className="h-20 w-20 object-cover"
+                          />
+                        </button>
+                      ))}
+                    </div>
+                  </motion.div>
+                ) : null}
+              </motion.div>
             </div>
           </div>
         </div>
diff --git a/components/agents/AgentPresetPanelDarkV2.tsx b/components/agents/AgentPresetPanelDarkV2.tsx
index 939e75f93..3605c91e0 100644
--- a/components/agents/AgentPresetPanelDarkV2.tsx
+++ b/components/agents/AgentPresetPanelDarkV2.tsx
@@ -10,11 +10,9 @@ import {
   User, 
   Grid3X3, 
   Wand2,
-  ArrowRight,
   LayoutGrid,
   FolderOpen,
   Building2,
-  Image as ImageIcon,
   Menu
 } from "lucide-react";
 import useSWR from "swr";
@@ -25,6 +23,8 @@ import { Input } from "@/components/ui/input";
 import { Button } from "@/components/ui/button";
 import { agentService } from "@/services/agents";
 import type { AgentPreset } from "@/types/agent";
+import { normalizeAgentWorkflowShowcaseConfig } from "@/lib/agents/workflow-showcase-config";
+import { AgentWorkflowShowcaseBanner } from "./AgentWorkflowShowcaseBanner";
 import { AgentPresetCardDark } from "./AgentPresetCardDark";
 import { AgentPresetDialog } from "./AgentPresetDialog";
 
@@ -36,6 +36,7 @@ interface AgentPresetPanelDarkV2Props {
   onSelectPreset: (presetId: string | null) => void;
   onCreateClick?: () => void;
   embedded?: boolean;
+  embeddedEntityLabel?: string;
 }
 
 export function AgentPresetPanelDarkV2({
@@ -43,11 +44,16 @@ export function AgentPresetPanelDarkV2({
   onSelectPreset,
   onCreateClick,
   embedded = false,
+  embeddedEntityLabel = "智能体",
 }: AgentPresetPanelDarkV2Props) {
   const [activeTab, setActiveTab] = useState<NavTab>("cases");
   const [keyword, setKeyword] = useState("");
   const [showCreateDialog, setShowCreateDialog] = useState(false);
   const [editingPreset, setEditingPreset] = useState<AgentPreset | null>(null);
+  const { data: siteSettingsData } = useSWR<{ agentWorkflowShowcaseConfig?: unknown }>(
+    !embedded ? "/api/site-settings" : null,
+    (url: string) => fetch(url, { cache: "no-store" }).then((res) => res.json())
+  );
   
   const { data, isLoading, mutate } = useSWR(
     ["agent-presets"],
@@ -151,7 +157,7 @@ export function AgentPresetPanelDarkV2({
           <div className="relative">
             <Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-white/40" />
             <Input
-              placeholder="搜索智能体..."
+              placeholder={`搜索${embeddedEntityLabel}...`}
               value={keyword}
               onChange={(e) => setKeyword(e.target.value)}
               className={cn(
@@ -204,7 +210,7 @@ export function AgentPresetPanelDarkV2({
             </AnimatePresence>
           ) : (
             <div className="text-center py-8 text-white/40 text-sm">
-              暂无智能体
+              暂无{embeddedEntityLabel}
             </div>
           )}
         </div>
@@ -235,7 +241,7 @@ export function AgentPresetPanelDarkV2({
     <div className="min-h-screen bg-black">
       {/* 顶部固定导航栏 */}
       <header className="fixed top-0 left-0 right-0 z-50 border-b border-white/5 bg-black/80 backdrop-blur-xl">
-        <div className="mx-auto max-w-[1800px] px-6">
+        <div className="mx-auto max-w-[1480px] px-6 lg:px-8 xl:px-10">
           <div className="flex h-16 items-center justify-between">
             {/* Logo & Site Name */}
             <div className="flex items-center gap-3">
@@ -294,62 +300,21 @@ export function AgentPresetPanelDarkV2({
 
       {/* Hero Section - 视频/功能展示区 */}
       <section className="relative pt-16">
-        <div className="mx-auto max-w-[1800px] px-6 py-8">
-          {/* 标题区域 */}
-          <motion.div 
-            className="mb-8 text-center"
-            initial={{ opacity: 0, y: 20 }}
-            animate={{ opacity: 1, y: 0 }}
-            transition={{ duration: 0.6 }}
-          >
-            <h1 className="mb-3 text-3xl font-bold text-white md:text-4xl">
-              三倍速出片，电影级质感
-            </h1>
-            <p className="mb-6 text-base text-white/50">
-              第一步：风格选择 &nbsp;&nbsp; 第二步：智能体生图
-            </p>
-            <Button
-              className={cn(
-                "h-12 gap-2 rounded-full px-8",
-                "bg-gradient-to-r from-emerald-500 to-teal-500",
-                "text-white font-medium text-base",
-                "hover:from-emerald-400 hover:to-teal-400",
-                "shadow-[0_0_30px_rgba(16,185,129,0.3)]",
-                "transition-all duration-300"
-              )}
-            >
-              我要创作
-              <ArrowRight className="h-5 w-5" />
-            </Button>
-          </motion.div>
-
-          {/* 视频/功能卡片展示区域 - 预留空位 */}
-          <motion.div
-            className="relative mb-12 aspect-[21/9] w-full overflow-hidden rounded-2xl border border-white/10 bg-zinc-900/50"
-            initial={{ opacity: 0, scale: 0.95 }}
-            animate={{ opacity: 1, scale: 1 }}
-            transition={{ duration: 0.6, delay: 0.2 }}
-          >
-            {/* 这里将来放视频或其他功能卡片 */}
-            <div className="flex h-full items-center justify-center">
-              <div className="text-center">
-                <div className="mb-4 flex h-20 w-20 items-center justify-center rounded-2xl bg-white/5 mx-auto">
-                  <ImageIcon className="h-10 w-10 text-white/20" />
-                </div>
-                <p className="text-white/40">视频展示区（预留）</p>
-                <p className="mt-2 text-sm text-white/20">未来可放置宣传片或功能介绍</p>
-              </div>
-            </div>
-            
-            {/* 装饰性渐变 */}
-            <div className="absolute inset-0 bg-gradient-to-t from-black/50 via-transparent to-transparent pointer-events-none" />
-          </motion.div>
+        <div className="mx-auto max-w-[1480px] px-6 py-8 lg:px-8 xl:px-10">
+          <AgentWorkflowShowcaseBanner
+            config={normalizeAgentWorkflowShowcaseConfig(siteSettingsData?.agentWorkflowShowcaseConfig)}
+            onActionClick={() => {
+              const target = document.getElementById("agent-preset-grid");
+              if (!target) return;
+              target.scrollIntoView({ behavior: "smooth", block: "start" });
+            }}
+          />
         </div>
       </section>
 
       {/* 智能体卡片网格区域 */}
       <section className="pb-20">
-        <div className="mx-auto max-w-[1800px] px-6">
+        <div id="agent-preset-grid" className="mx-auto max-w-[1480px] px-6 lg:px-8 xl:px-10">
           {/* 搜索栏 */}
           <motion.div 
             className="mb-8 flex items-center gap-4"
@@ -420,7 +385,7 @@ export function AgentPresetPanelDarkV2({
 
       {/* 页脚 */}
       <footer className="border-t border-white/5 py-6">
-        <div className="mx-auto max-w-[1800px] px-6">
+        <div className="mx-auto max-w-[1480px] px-6 lg:px-8 xl:px-10">
           <div className="flex items-center justify-center gap-6 text-sm text-white/30">
             <a href="#" className="hover:text-white/60 transition-colors">使用协议</a>
             <a href="#" className="hover:text-white/60 transition-colors">隐私条款</a>
diff --git a/components/agents/AgentWorkflowBrandModelPicker.tsx b/components/agents/AgentWorkflowBrandModelPicker.tsx
index 7c6f7b3c9..387dbd4d6 100644
--- a/components/agents/AgentWorkflowBrandModelPicker.tsx
+++ b/components/agents/AgentWorkflowBrandModelPicker.tsx
@@ -15,12 +15,14 @@ interface AgentWorkflowBrandModelPickerProps {
   brand: string;
   selectedBrandModel?: AgentWorkflowSelectedBrandModel | null;
   onSelectBrandModel: (value: AgentWorkflowSelectedBrandModel | null) => void;
+  theme?: "light" | "dark";
 }
 
 export function AgentWorkflowBrandModelPicker({
   brand,
   selectedBrandModel = null,
   onSelectBrandModel,
+  theme = "light",
 }: AgentWorkflowBrandModelPickerProps) {
   const { data } = useSWR<{ agentWorkflowBrandModelConfig?: AgentWorkflowBrandModelConfig }>(
     "/api/site-settings",
@@ -40,34 +42,76 @@ export function AgentWorkflowBrandModelPicker({
     [config.entries, normalizedBrand]
   );
   const images = matchedEntry?.images || [];
+  const isDark = theme === "dark";
 
   return (
-    <section className="space-y-3 rounded-2xl border border-[#dbe3ff] bg-[#f8faff] p-3">
+    <section
+      className={cn(
+        "space-y-3 rounded-2xl border p-4",
+        isDark ? "border-white/12 bg-white/[0.04]" : "border-[#dbe3ff] bg-[#f8faff]"
+      )}
+    >
       <div className="space-y-1">
-        <div className="flex items-center gap-2 text-sm font-medium text-[#334155]">
-          <UserRound className="h-4 w-4 text-[#4f46e5]" />
+        <div
+          className={cn(
+            "flex items-center gap-2 text-sm font-medium",
+            isDark ? "text-white/88" : "text-[#334155]"
+          )}
+        >
+          <UserRound className={cn("h-4 w-4", isDark ? "text-emerald-300" : "text-[#4f46e5]")} />
           <span>品牌模特选择</span>
         </div>
-        <div className="text-xs leading-5 text-[#5b6472]">
+        <div
+          className={cn(
+            "text-xs leading-5",
+            isDark ? "text-white/55" : "text-[#5b6472]"
+          )}
+        >
           根据第一步选择的品牌，展示管理员预先上传的模特图。选中后会自动带入右侧“模特图”槽位。
         </div>
       </div>
 
       {!normalizedBrand ? (
-        <div className="flex min-h-[124px] flex-col items-center justify-center rounded-2xl border border-dashed bg-background/60 px-4 text-center text-sm text-muted-foreground">
+        <div
+          className={cn(
+            "flex min-h-[124px] flex-col items-center justify-center rounded-2xl border border-dashed px-4 text-center text-sm",
+            isDark
+              ? "border-white/12 bg-black/20 text-white/45"
+              : "bg-background/60 text-muted-foreground"
+          )}
+        >
           <ImageIcon className="mb-2 h-5 w-5 opacity-60" />
           先回到第一步选择品牌，第二步才会按品牌展示可选模特图。
         </div>
       ) : images.length > 0 ? (
         <div className="space-y-3">
           <div className="flex flex-wrap items-center justify-between gap-2">
-            <div className="flex flex-wrap gap-2 text-xs text-muted-foreground">
-              <span className="rounded-full bg-background px-2 py-1">品牌：{normalizedBrand}</span>
-              <span className="rounded-full bg-background px-2 py-1">
+            <div className={cn("flex flex-wrap gap-2 text-xs", isDark ? "text-white/55" : "text-muted-foreground")}>
+              <span
+                className={cn(
+                  "rounded-full px-2 py-1",
+                  isDark ? "bg-white/8 text-white/70" : "bg-background"
+                )}
+              >
+                品牌：{normalizedBrand}
+              </span>
+              <span
+                className={cn(
+                  "rounded-full px-2 py-1",
+                  isDark ? "bg-white/8 text-white/70" : "bg-background"
+                )}
+              >
                 共 {images.length} 张模特图
               </span>
               {selectedBrandModel ? (
-                <span className="rounded-full bg-background px-2 py-1">已选 1 张</span>
+                <span
+                  className={cn(
+                    "rounded-full px-2 py-1",
+                    isDark ? "bg-white/8 text-white/70" : "bg-background"
+                  )}
+                >
+                  已选 1 张
+                </span>
               ) : null}
             </div>
             <Button
@@ -104,11 +148,20 @@ export function AgentWorkflowBrandModelPicker({
                   className={cn(
                     "group overflow-hidden rounded-2xl border bg-background text-left transition-all",
                     selected
-                      ? "border-primary shadow-[0_0_0_1px_rgba(59,130,246,0.18)]"
-                      : "border-border hover:border-primary/40 hover:shadow-sm"
+                      ? isDark
+                        ? "border-emerald-400/70 bg-white/[0.03] shadow-[0_0_0_1px_rgba(52,211,153,0.2)]"
+                        : "border-primary shadow-[0_0_0_1px_rgba(59,130,246,0.18)]"
+                      : isDark
+                        ? "border-white/12 bg-white/[0.02] hover:border-white/25 hover:shadow-sm"
+                        : "border-border hover:border-primary/40 hover:shadow-sm"
                   )}
                 >
-                  <div className="relative aspect-square overflow-hidden bg-muted/40">
+                  <div
+                    className={cn(
+                      "relative aspect-square overflow-hidden",
+                      isDark ? "bg-white/[0.04]" : "bg-muted/40"
+                    )}
+                  >
                     <img
                       src={image.imageUrl}
                       alt={image.displayName || `${normalizedBrand} 模特图`}
@@ -124,7 +177,9 @@ export function AgentWorkflowBrandModelPicker({
                         className={cn(
                           "flex h-6 w-6 items-center justify-center rounded-full border text-white transition-colors",
                           selected
-                            ? "border-primary bg-primary"
+                            ? isDark
+                              ? "border-emerald-400 bg-emerald-400 text-black"
+                              : "border-primary bg-primary"
                             : "border-white/60 bg-black/35 opacity-0 group-hover:opacity-100"
                         )}
                       >
@@ -136,10 +191,10 @@ export function AgentWorkflowBrandModelPicker({
                     </div>
                   </div>
                   <div className="space-y-1 px-3 py-2">
-                    <div className="truncate text-xs font-medium">
+                    <div className={cn("truncate text-xs font-medium", isDark ? "text-white/85" : "")}>
                       {image.displayName || `${normalizedBrand} 模特图`}
                     </div>
-                    <div className="text-[11px] text-muted-foreground">
+                    <div className={cn("text-[11px]", isDark ? "text-white/45" : "text-muted-foreground")}>
                       点击{selected ? "取消" : "选择"}，自动进入模特图槽位
                     </div>
                   </div>
@@ -149,7 +204,14 @@ export function AgentWorkflowBrandModelPicker({
           </div>
         </div>
       ) : (
-        <div className="flex min-h-[124px] flex-col items-center justify-center rounded-2xl border border-dashed bg-background/60 px-4 text-center text-sm text-muted-foreground">
+        <div
+          className={cn(
+            "flex min-h-[124px] flex-col items-center justify-center rounded-2xl border border-dashed px-4 text-center text-sm",
+            isDark
+              ? "border-white/12 bg-black/20 text-white/45"
+              : "bg-background/60 text-muted-foreground"
+          )}
+        >
           <ImageIcon className="mb-2 h-5 w-5 opacity-60" />
           品牌“{normalizedBrand}”暂未配置模特图库，请到系统设置上传对应模特图。
         </div>
diff --git a/components/agents/AgentWorkflowMaterialPicker.tsx b/components/agents/AgentWorkflowMaterialPicker.tsx
index 3bd60e258..9052059e3 100644
--- a/components/agents/AgentWorkflowMaterialPicker.tsx
+++ b/components/agents/AgentWorkflowMaterialPicker.tsx
@@ -23,6 +23,7 @@ interface AgentWorkflowMaterialPickerProps {
   onValueChange: (value: string) => void;
   onSearch: () => void;
   onSelectedImageIdsChange: (next: string[]) => void;
+  theme?: "light" | "dark";
 }
 
 export function AgentWorkflowMaterialPicker({
@@ -41,7 +42,9 @@ export function AgentWorkflowMaterialPicker({
   onValueChange,
   onSearch,
   onSelectedImageIdsChange,
+  theme = "light",
 }: AgentWorkflowMaterialPickerProps) {
+  const isDark = theme === "dark";
   const selectedSet = useMemo(
     () => new Set((selectedImageIds || []).map((item) => String(item || "").trim()).filter(Boolean)),
     [selectedImageIds]
@@ -65,10 +68,17 @@ export function AgentWorkflowMaterialPicker({
   };
 
   return (
-    <section className="space-y-3 rounded-2xl border bg-muted/20 p-4">
+    <section
+      className={cn(
+        "space-y-3 rounded-2xl border p-4",
+        isDark ? "border-white/12 bg-black/20" : "bg-muted/20"
+      )}
+    >
       <div className="space-y-1">
-        <div className="text-sm font-medium">{title}</div>
-        <div className="text-xs text-muted-foreground">{description}</div>
+        <div className={cn("text-sm font-medium", isDark ? "text-white/88" : "")}>{title}</div>
+        <div className={cn("text-xs", isDark ? "text-white/50" : "text-muted-foreground")}>
+          {description}
+        </div>
       </div>
 
       <div className="flex flex-col gap-2 md:flex-row">
@@ -77,6 +87,10 @@ export function AgentWorkflowMaterialPicker({
           onChange={(event) => onValueChange(event.target.value)}
           placeholder={placeholder}
           disabled={disabled}
+          className={cn(
+            isDark &&
+              "border-white/12 bg-white/[0.04] text-white placeholder:text-white/25 focus-visible:ring-emerald-400/30"
+          )}
           onKeyDown={(event) => {
             if (event.key === "Enter") {
               event.preventDefault();
@@ -89,6 +103,7 @@ export function AgentWorkflowMaterialPicker({
           type="button"
           onClick={onSearch}
           disabled={disabled || isLoading || !value.trim()}
+          className={cn(isDark && "border-white/12 bg-white/8 text-white hover:bg-white/12")}
         >
           {isLoading ? (
             <Loader2 className="mr-2 h-4 w-4 animate-spin" />
@@ -100,10 +115,19 @@ export function AgentWorkflowMaterialPicker({
       </div>
 
       {searchNote ? (
-        <div className="text-xs text-muted-foreground">{searchNote}</div>
+        <div className={cn("text-xs", isDark ? "text-white/42" : "text-muted-foreground")}>
+          {searchNote}
+        </div>
       ) : null}
       {disabled && disabledHint ? (
-        <div className="rounded-xl border border-amber-200 bg-amber-50 px-3 py-2 text-xs text-amber-800">
+        <div
+          className={cn(
+            "rounded-xl border px-3 py-2 text-xs",
+            isDark
+              ? "border-amber-500/20 bg-amber-500/10 text-amber-100"
+              : "border-amber-200 bg-amber-50 text-amber-800"
+          )}
+        >
           {disabledHint}
         </div>
       ) : null}
@@ -117,19 +141,39 @@ export function AgentWorkflowMaterialPicker({
       {!disabled && result ? (
         <div className="space-y-3">
           <div className="flex flex-wrap items-center justify-between gap-2">
-            <div className="flex flex-wrap gap-2 text-xs text-muted-foreground">
-              <span className="rounded-full bg-background px-2 py-1">
+            <div className={cn("flex flex-wrap gap-2 text-xs", isDark ? "text-white/52" : "text-muted-foreground")}>
+              <span
+                className={cn(
+                  "rounded-full px-2 py-1",
+                  isDark ? "bg-white/8 text-white/70" : "bg-background"
+                )}
+              >
                 命中：{result.matchedSku || result.query}
               </span>
               {result.productModel ? (
-                <span className="rounded-full bg-background px-2 py-1">
+                <span
+                  className={cn(
+                    "rounded-full px-2 py-1",
+                    isDark ? "bg-white/8 text-white/70" : "bg-background"
+                  )}
+                >
                   型号：{result.productModel}
                 </span>
               ) : null}
-              <span className="rounded-full bg-background px-2 py-1">
+              <span
+                className={cn(
+                  "rounded-full px-2 py-1",
+                  isDark ? "bg-white/8 text-white/70" : "bg-background"
+                )}
+              >
                 共 {result.totalCount} 张
               </span>
-              <span className="rounded-full bg-background px-2 py-1">
+              <span
+                className={cn(
+                  "rounded-full px-2 py-1",
+                  isDark ? "bg-white/8 text-white/70" : "bg-background"
+                )}
+              >
                 已选 {selectedCount} 张
               </span>
             </div>
@@ -166,11 +210,20 @@ export function AgentWorkflowMaterialPicker({
                   className={cn(
                     "group overflow-hidden rounded-2xl border bg-background text-left transition-all",
                     selected
-                      ? "border-primary shadow-[0_0_0_1px_rgba(59,130,246,0.18)]"
-                      : "border-border hover:border-primary/40 hover:shadow-sm"
+                      ? isDark
+                        ? "border-emerald-400/70 bg-white/[0.03] shadow-[0_0_0_1px_rgba(52,211,153,0.2)]"
+                        : "border-primary shadow-[0_0_0_1px_rgba(59,130,246,0.18)]"
+                      : isDark
+                        ? "border-white/12 bg-white/[0.02] hover:border-white/25 hover:shadow-sm"
+                        : "border-border hover:border-primary/40 hover:shadow-sm"
                   )}
                 >
-                  <div className="relative aspect-square overflow-hidden bg-muted/40">
+                  <div
+                    className={cn(
+                      "relative aspect-square overflow-hidden",
+                      isDark ? "bg-white/[0.04]" : "bg-muted/40"
+                    )}
+                  >
                     <img
                       src={image.imageUrl}
                       alt={image.label}
@@ -189,7 +242,9 @@ export function AgentWorkflowMaterialPicker({
                         className={cn(
                           "flex h-6 w-6 items-center justify-center rounded-full border text-white transition-colors",
                           selected
-                            ? "border-primary bg-primary"
+                            ? isDark
+                              ? "border-emerald-400 bg-emerald-400 text-black"
+                              : "border-primary bg-primary"
                             : "border-white/60 bg-black/35 opacity-0 group-hover:opacity-100"
                         )}
                       >
@@ -201,8 +256,10 @@ export function AgentWorkflowMaterialPicker({
                     </div>
                   </div>
                   <div className="space-y-1 px-3 py-2">
-                    <div className="truncate text-xs font-medium">{image.fileName}</div>
-                    <div className="text-[11px] text-muted-foreground">
+                    <div className={cn("truncate text-xs font-medium", isDark ? "text-white/85" : "")}>
+                      {image.fileName}
+                    </div>
+                    <div className={cn("text-[11px]", isDark ? "text-white/45" : "text-muted-foreground")}>
                       点击{selected ? "取消" : "选择"}，可多选带入生图模式
                     </div>
                   </div>
@@ -212,7 +269,14 @@ export function AgentWorkflowMaterialPicker({
           </div>
         </div>
       ) : (
-        <div className="flex min-h-[124px] flex-col items-center justify-center rounded-2xl border border-dashed bg-background/60 px-4 text-center text-sm text-muted-foreground">
+        <div
+          className={cn(
+            "flex min-h-[124px] flex-col items-center justify-center rounded-2xl border border-dashed px-4 text-center text-sm",
+            isDark
+              ? "border-white/12 bg-white/[0.03] text-white/42"
+              : "bg-background/60 text-muted-foreground"
+          )}
+        >
           {disabled ? (
             <>
               <ImageIcon className="mb-2 h-5 w-5 opacity-60" />
@@ -233,7 +297,12 @@ export function AgentWorkflowMaterialPicker({
       )}
 
       {result?.images?.length ? (
-        <div className="flex items-start gap-2 rounded-xl bg-background px-3 py-2 text-xs text-muted-foreground">
+        <div
+          className={cn(
+            "flex items-start gap-2 rounded-xl px-3 py-2 text-xs",
+            isDark ? "bg-white/[0.04] text-white/45" : "bg-background text-muted-foreground"
+          )}
+        >
           <RefreshCw className="mt-0.5 h-3.5 w-3.5 shrink-0" />
           已选中的图片会在下一步优先带入右侧“生图模式”槽位，你也可以进入后继续替换。
         </div>
diff --git a/components/agents/AgentWorkflowMaterialSelectionPanel.tsx b/components/agents/AgentWorkflowMaterialSelectionPanel.tsx
index 5d1a04e46..8e6657778 100644
--- a/components/agents/AgentWorkflowMaterialSelectionPanel.tsx
+++ b/components/agents/AgentWorkflowMaterialSelectionPanel.tsx
@@ -4,6 +4,7 @@ import { useState } from "react";
 import { Sparkles } from "lucide-react";
 import { AgentWorkflowMaterialPicker } from "@/components/agents/AgentWorkflowMaterialPicker";
 import { createEmptyAgentWorkflowMaterialSelection } from "@/lib/agents/workflow-material-config";
+import { cn } from "@/lib/utils";
 import type { AgentWorkflowInputs } from "@/components/agents/AgentWorkflowPanel";
 import type { AgentWorkflowMaterialSelections } from "@/types/agent";
 
@@ -16,6 +17,7 @@ interface AgentWorkflowMaterialSelectionPanelProps {
   description?: string;
   disabled?: boolean;
   disabledHint?: string;
+  theme?: "light" | "dark";
 }
 
 export function AgentWorkflowMaterialSelectionPanel({
@@ -27,6 +29,7 @@ export function AgentWorkflowMaterialSelectionPanel({
   description = "先确定生图模式，再搜索主 SKU 或搭配 SKU 的白底图。选中的图片会自动进入对应槽位。",
   disabled = false,
   disabledHint = "请先在下方选择一个生图模式，再启用 SKU / SPU 搜图。",
+  theme = "light",
 }: AgentWorkflowMaterialSelectionPanelProps) {
   const [materialSearchState, setMaterialSearchState] = useState<{
     primary: { isLoading: boolean; errorText: string | null };
@@ -108,15 +111,33 @@ export function AgentWorkflowMaterialSelectionPanel({
       updateMaterialSearchState(source, { isLoading: false });
     }
   };
+  const isDark = theme === "dark";
 
   return (
-    <div className="space-y-3 rounded-2xl border border-[#dbe3ff] bg-[#f8faff] p-3">
+    <div
+      className={cn(
+        "space-y-3 rounded-2xl border p-4",
+        isDark ? "border-white/12 bg-white/[0.04]" : "border-[#dbe3ff] bg-[#f8faff]"
+      )}
+    >
       <div className="space-y-1">
-        <div className="flex items-center gap-2 text-sm font-medium text-[#334155]">
-          <Sparkles className="h-4 w-4 text-[#4f46e5]" />
+        <div
+          className={cn(
+            "flex items-center gap-2 text-sm font-medium",
+            isDark ? "text-white/88" : "text-[#334155]"
+          )}
+        >
+          <Sparkles className={cn("h-4 w-4", isDark ? "text-emerald-300" : "text-[#4f46e5]")} />
           <span>{title}</span>
         </div>
-        <div className="text-xs leading-5 text-[#5b6472]">{description}</div>
+        <div
+          className={cn(
+            "text-xs leading-5",
+            isDark ? "text-white/55" : "text-[#5b6472]"
+          )}
+        >
+          {description}
+        </div>
       </div>
 
       <AgentWorkflowMaterialPicker
@@ -136,6 +157,7 @@ export function AgentWorkflowMaterialSelectionPanel({
         onSearch={() => {
           void handleSearchMaterials("primary");
         }}
+        theme={theme}
         onSelectedImageIdsChange={(next) =>
           onMaterialsChange({
             ...materials,
@@ -164,6 +186,7 @@ export function AgentWorkflowMaterialSelectionPanel({
         onSearch={() => {
           void handleSearchMaterials("secondary");
         }}
+        theme={theme}
         onSelectedImageIdsChange={(next) =>
           onMaterialsChange({
             ...materials,
diff --git a/components/agents/AgentWorkflowPanelDarkV2.tsx b/components/agents/AgentWorkflowPanelDarkV2.tsx
index a29207c45..c33f9efbf 100644
--- a/components/agents/AgentWorkflowPanelDarkV2.tsx
+++ b/components/agents/AgentWorkflowPanelDarkV2.tsx
@@ -2,15 +2,16 @@
 
 import { useMemo } from "react";
 import { motion } from "framer-motion";
-import { ArrowRight, Check, Copy, RotateCcw, Sparkles, ChevronRight, Wand2, LayoutGrid, FolderOpen, User, Building2, Menu } from "lucide-react";
+import { ArrowRight, Check, Copy, RotateCcw, Sparkles, ChevronRight } from "lucide-react";
 import { toast } from "sonner";
 import { Button } from "@/components/ui/button";
-import { ScrollArea } from "@/components/ui/scroll-area";
 import { SearchableSelect } from "@/components/ui/searchable-select";
 import { Textarea } from "@/components/ui/textarea";
 import { cn } from "@/lib/utils";
 import { defaultAgentWorkflowUiConfig } from "@/lib/agents/workflow-ui-config";
 import { createEmptyAgentWorkflowMaterialSelection } from "@/lib/agents/workflow-material-config";
+import { AgentCanvasTopNavDark } from "@/components/agents/AgentCanvasTopNavDark";
+import { AgentWorkflowShowcaseBanner } from "@/components/agents/AgentWorkflowShowcaseBanner";
 import {
   buildAgentWorkflowComposerContext,
   getAgentWorkflowProgress,
@@ -18,6 +19,7 @@ import {
 import type {
   AgentWorkflowComposerSelection,
   AgentWorkflowMaterialSelections,
+  AgentWorkflowShowcaseConfig,
   AgentWorkflowStepKey,
   AgentWorkflowUiConfig,
 } from "@/types/agent";
@@ -40,6 +42,10 @@ interface AgentWorkflowPanelDarkV2Props {
   onReset?: () => void;
   onNextStep?: () => void;
   onSkipStep?: () => void;
+  siteName?: string | null;
+  siteLogo?: string | null;
+  siteLogoDark?: string | null;
+  showcaseConfig?: AgentWorkflowShowcaseConfig | null;
 }
 
 function buildSelectionSummary(params: {
@@ -161,6 +167,10 @@ export function AgentWorkflowPanelDarkV2({
   onReset,
   onNextStep,
   onSkipStep,
+  siteName,
+  siteLogo,
+  siteLogoDark,
+  showcaseConfig,
 }: AgentWorkflowPanelDarkV2Props) {
   const brandOptions = useMemo(
     () => config?.inputOptions?.brands || defaultAgentWorkflowUiConfig.inputOptions?.brands || [],
@@ -222,126 +232,58 @@ export function AgentWorkflowPanelDarkV2({
     }
   };
 
-  // 导航标签配置
-  const navTabs = [
-    { id: "cases", label: "案例广场", icon: LayoutGrid },
-    { id: "my-works", label: "我的作品", icon: FolderOpen },
-    { id: "personal-assets", label: "个人资产库", icon: User },
-    { id: "company-assets", label: "公司资产库", icon: Building2 },
-  ];
-
   return (
     <div className="min-h-screen bg-black">
-      {/* 顶部固定导航栏 */}
-      <header className="fixed top-0 left-0 right-0 z-50 border-b border-white/5 bg-black/80 backdrop-blur-xl">
-        <div className="mx-auto max-w-[1800px] px-6">
-          <div className="flex h-16 items-center justify-between">
-            {/* Logo & Site Name */}
-            <div className="flex items-center gap-3">
-              <button className="flex h-9 w-9 items-center justify-center rounded-lg bg-white/5 text-white/60 hover:bg-white/10 hover:text-white transition-colors">
-                <Menu className="h-5 w-5" />
-              </button>
-              <div className="flex items-center gap-2.5">
-                <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-gradient-to-br from-violet-500 to-purple-600">
-                  <Wand2 className="h-4 w-4 text-white" />
-                </div>
-                <span className="text-base font-semibold text-white">AI创作平台</span>
-              </div>
-            </div>
-
-            {/* 导航标签 */}
-            <nav className="flex items-center gap-1 rounded-full bg-white/5 p-1">
-              {navTabs.map((tab) => {
-                const Icon = tab.icon;
-                return (
-                  <button
-                    key={tab.id}
-                    className="flex items-center gap-2 rounded-full px-4 py-2 text-sm font-medium text-white/60 transition-all duration-300 hover:text-white hover:bg-white/5"
-                  >
-                    <Icon className="h-4 w-4" />
-                    {tab.label}
-                  </button>
-                );
-              })}
-            </nav>
-
-            {/* 右侧操作 */}
-            <div className="flex items-center gap-3">
-              <Button
-                variant="ghost"
-                size="sm"
-                onClick={() => {
-                  if (onReset) {
-                    onReset();
-                    return;
-                  }
-                  onInputsChange({ primarySku: "", secondarySku: "", brand: "", store: "" });
-                  onMaterialsChange({
-                    primary: createEmptyAgentWorkflowMaterialSelection(),
-                    secondary: createEmptyAgentWorkflowMaterialSelection(),
-                  });
-                  onSelectionsChange({});
-                }}
-                className="h-9 gap-1.5 rounded-full text-white/60 hover:bg-white/10 hover:text-white"
-              >
-                <RotateCcw className="h-3.5 w-3.5" />
-                重置
-              </Button>
-            </div>
-          </div>
-        </div>
-      </header>
+      <AgentCanvasTopNavDark
+        siteName={siteName}
+        siteLogo={siteLogo}
+        siteLogoDark={siteLogoDark}
+        activeKey="agent"
+        rightSlot={
+          <Button
+            variant="ghost"
+            size="sm"
+            onClick={() => {
+              if (onReset) {
+                onReset();
+                return;
+              }
+              onInputsChange({ primarySku: "", secondarySku: "", brand: "", store: "" });
+              onMaterialsChange({
+                primary: createEmptyAgentWorkflowMaterialSelection(),
+                secondary: createEmptyAgentWorkflowMaterialSelection(),
+              });
+              onSelectionsChange({});
+            }}
+            className="h-9 gap-1.5 rounded-full text-white/60 hover:bg-white/10 hover:text-white"
+          >
+            <RotateCcw className="h-3.5 w-3.5" />
+            重置
+          </Button>
+        }
+      />
 
       {/* Hero Section */}
       <section className="relative pt-16">
-        <div className="mx-auto max-w-[1800px] px-6 py-8">
-          {/* 标题区域 */}
-          <motion.div 
-            className="mb-8 text-center"
-            initial={{ opacity: 0, y: 20 }}
-            animate={{ opacity: 1, y: 0 }}
-            transition={{ duration: 0.6 }}
-          >
-            <h1 className="mb-3 text-3xl font-bold text-white md:text-4xl">
-              三倍速出片，电影级质感
-            </h1>
-            <p className="mb-6 text-base text-white/50">
-              <span className="text-emerald-400 font-medium">第一步：风格选择</span>
-              <span className="mx-2 text-white/20">→</span>
-              <span className="text-white/40">第二步：智能体生图</span>
-            </p>
-          </motion.div>
-
-          {/* 进度指示 */}
-          <motion.div 
-            className="mx-auto mb-8 max-w-md"
-            initial={{ opacity: 0 }}
-            animate={{ opacity: 1 }}
-            transition={{ delay: 0.2 }}
-          >
-            <div className="flex items-center justify-between text-sm text-white/50 mb-2">
-              <span>完成进度</span>
-              <span className="font-medium text-white">{progress.completed}/{progress.total}</span>
-            </div>
-            <div className="h-2 overflow-hidden rounded-full bg-white/10">
-              <motion.div
-                className="h-full rounded-full bg-gradient-to-r from-emerald-500 to-teal-500"
-                initial={{ width: 0 }}
-                animate={{ width: `${progress.total > 0 ? (progress.completed / progress.total) * 100 : 0}%` }}
-                transition={{ duration: 0.5 }}
-              />
-            </div>
-          </motion.div>
+        <div className="mx-auto max-w-[1480px] px-6 py-8 lg:px-8 xl:px-10">
+          <AgentWorkflowShowcaseBanner
+            config={showcaseConfig}
+            onActionClick={() => {
+              const target = document.getElementById("agent-workflow-content");
+              if (!target) return;
+              target.scrollIntoView({ behavior: "smooth", block: "start" });
+            }}
+          />
         </div>
       </section>
 
       {/* Main Content */}
-      <main className="pb-20">
-        <div className="mx-auto max-w-[1800px] px-6">
-          <ScrollArea className="h-[calc(100vh-300px)]">
-            <div className="space-y-8 pr-4">
+      <main className="pb-40">
+        <div id="agent-workflow-content" className="mx-auto max-w-[1480px] px-6 lg:px-8 xl:px-10">
+            <div className="space-y-8">
               {/* 基础配置 */}
               <motion.section
+                className="rounded-2xl border border-white/12 bg-white/[0.04] p-5 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                 initial={{ opacity: 0, y: 20 }}
                 animate={{ opacity: 1, y: 0 }}
                 transition={{ delay: 0.1 }}
@@ -359,6 +301,7 @@ export function AgentWorkflowPanelDarkV2({
                     placeholder="选择品牌"
                     searchPlaceholder="输入品牌名筛选"
                     emptyText="暂无品牌可选"
+                    theme="dark"
                     onValueChange={(value) => onInputsChange({ ...inputs, brand: value })}
                   />
                   <SearchableSelect
@@ -367,6 +310,7 @@ export function AgentWorkflowPanelDarkV2({
                     placeholder="选择店铺"
                     searchPlaceholder="输入店铺名筛选"
                     emptyText="暂无店铺可选"
+                    theme="dark"
                     onValueChange={(value) => onInputsChange({ ...inputs, store: value })}
                   />
                 </div>
@@ -433,6 +377,7 @@ export function AgentWorkflowPanelDarkV2({
 
               {/* Prompt 预览 */}
               <motion.section
+                className="rounded-2xl border border-white/10 bg-white/[0.035] p-5 shadow-[inset_0_1px_0_rgba(255,255,255,0.03)]"
                 initial={{ opacity: 0, y: 20 }}
                 animate={{ opacity: 1, y: 0 }}
               >
@@ -456,49 +401,74 @@ export function AgentWorkflowPanelDarkV2({
                   className="resize-none rounded-xl border-white/5 bg-white/[0.03] text-sm text-white/80 placeholder:text-white/20 focus:border-white/10"
                 />
               </motion.section>
-
-              {/* 底部操作 */}
-              {onNextStep && (
-                <motion.div 
-                  className="flex justify-end gap-3 pt-4 pb-8"
-                  initial={{ opacity: 0 }}
-                  animate={{ opacity: 1 }}
-                >
-                  {onSkipStep && (
-                    <Button
-                      variant="ghost"
-                      onClick={onSkipStep}
-                      className="h-11 gap-2 rounded-full text-white/60 hover:bg-white/10 hover:text-white"
-                    >
-                      跳过
-                      <ChevronRight className="h-4 w-4" />
-                    </Button>
-                  )}
-                  <Button
-                    onClick={onNextStep}
-                    disabled={progress.total > 0 && !progress.isComplete}
-                    className={cn(
-                      "h-11 gap-2 rounded-full px-8",
-                      "bg-gradient-to-r from-emerald-500 to-teal-500",
-                      "text-white font-medium",
-                      "hover:from-emerald-400 hover:to-teal-400",
-                      "shadow-[0_0_30px_rgba(16,185,129,0.3)]",
-                      "disabled:opacity-30"
-                    )}
-                  >
-                    下一步：选择智能体
-                    <ArrowRight className="h-4 w-4" />
-                  </Button>
-                </motion.div>
-              )}
             </div>
-          </ScrollArea>
         </div>
       </main>
 
+      {onNextStep ? (
+        <motion.div
+          initial={{ opacity: 0, y: 18 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ delay: 0.2 }}
+          className="pointer-events-none fixed inset-x-0 bottom-4 z-40 px-4 sm:px-6"
+        >
+          <div className="pointer-events-auto mx-auto flex w-full max-w-5xl flex-col gap-4 rounded-[28px] border border-white/12 bg-black/85 px-4 py-4 shadow-[0_24px_80px_rgba(0,0,0,0.45)] backdrop-blur-2xl sm:px-5">
+            <div className="flex flex-col gap-2 sm:flex-row sm:items-center sm:justify-between">
+              <div className="min-w-0">
+                <div className="text-sm font-medium text-white">工作流进度</div>
+                <div className="text-xs text-white/45">
+                  已完成 {progress.completed} / {progress.total} 个步骤
+                  {progress.isComplete ? "，可以直接进入下一步" : "，也可以选择跳过直接进入下一步"}
+                </div>
+              </div>
+              <div className="text-sm font-semibold text-white">
+                {progress.total > 0 ? Math.round((progress.completed / progress.total) * 100) : 0}%
+              </div>
+            </div>
+
+            <div className="h-2 overflow-hidden rounded-full bg-white/10">
+              <motion.div
+                className="h-full rounded-full bg-gradient-to-r from-emerald-500 to-teal-400"
+                initial={{ width: 0 }}
+                animate={{ width: `${progress.total > 0 ? (progress.completed / progress.total) * 100 : 0}%` }}
+                transition={{ duration: 0.45 }}
+              />
+            </div>
+
+            <div className="flex flex-col gap-3 sm:flex-row sm:justify-end">
+              {onSkipStep ? (
+                <Button
+                  variant="ghost"
+                  onClick={onSkipStep}
+                  className="h-11 gap-2 rounded-full border border-white/10 bg-white/[0.03] px-6 text-white/75 hover:bg-white/10 hover:text-white"
+                >
+                  跳过并进入下一步
+                  <ChevronRight className="h-4 w-4" />
+                </Button>
+              ) : null}
+              <Button
+                onClick={onNextStep}
+                disabled={progress.total > 0 && !progress.isComplete}
+                className={cn(
+                  "h-11 gap-2 rounded-full px-8",
+                  "bg-gradient-to-r from-emerald-500 to-teal-500",
+                  "text-white font-medium",
+                  "hover:from-emerald-400 hover:to-teal-400",
+                  "shadow-[0_0_30px_rgba(16,185,129,0.3)]",
+                  "disabled:opacity-30"
+                )}
+              >
+                下一步：选择生图模式
+                <ArrowRight className="h-4 w-4" />
+              </Button>
+            </div>
+          </div>
+        </motion.div>
+      ) : null}
+
       {/* 页脚 */}
-      <footer className="border-t border-white/5 py-6">
-        <div className="mx-auto max-w-[1800px] px-6">
+      <footer className="border-t border-white/5 pb-28 pt-6">
+        <div className="mx-auto max-w-[1480px] px-6 lg:px-8 xl:px-10">
           <div className="flex items-center justify-center gap-6 text-sm text-white/30">
             <a href="#" className="hover:text-white/60 transition-colors">使用协议</a>
             <a href="#" className="hover:text-white/60 transition-colors">隐私条款</a>
diff --git a/components/agents/AgentWorkflowShowcaseBanner.tsx b/components/agents/AgentWorkflowShowcaseBanner.tsx
new file mode 100644
index 000000000..39c5f8922
--- /dev/null
+++ b/components/agents/AgentWorkflowShowcaseBanner.tsx
@@ -0,0 +1,126 @@
+"use client";
+
+import { motion } from "framer-motion";
+import { ArrowRight, ImageIcon, PlayCircle } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
+import { defaultAgentWorkflowShowcaseConfig } from "@/lib/agents/workflow-showcase-config";
+import type { AgentWorkflowShowcaseConfig } from "@/types/agent";
+
+interface AgentWorkflowShowcaseBannerProps {
+  config?: AgentWorkflowShowcaseConfig | null;
+  onActionClick?: () => void;
+  className?: string;
+}
+
+export function AgentWorkflowShowcaseBanner({
+  config,
+  onActionClick,
+  className,
+}: AgentWorkflowShowcaseBannerProps) {
+  const resolved = config || defaultAgentWorkflowShowcaseConfig;
+  const hasVideo = Boolean(resolved.videoUrl);
+  const hasPoster = Boolean(resolved.posterUrl);
+  const shouldRenderMedia = resolved.enabled !== false;
+
+  return (
+    <div className={cn("space-y-8", className)}>
+      <motion.div
+        className="text-center"
+        initial={{ opacity: 0, y: 20 }}
+        animate={{ opacity: 1, y: 0 }}
+        transition={{ duration: 0.6 }}
+      >
+        <h1 className="mb-3 text-3xl font-bold text-white md:text-4xl">{resolved.title}</h1>
+        <p className="mb-6 text-base text-white/50">{resolved.subtitle}</p>
+        {resolved.actionText ? (
+          <Button
+            type="button"
+            onClick={onActionClick}
+            className={cn(
+              "h-12 gap-2 rounded-full px-8",
+              "bg-gradient-to-r from-emerald-500 to-teal-500",
+              "text-base font-medium text-white",
+              "hover:from-emerald-400 hover:to-teal-400",
+              "shadow-[0_0_30px_rgba(16,185,129,0.3)]",
+              "transition-all duration-300"
+            )}
+          >
+            {resolved.actionText}
+            <ArrowRight className="h-5 w-5" />
+          </Button>
+        ) : null}
+      </motion.div>
+
+      {shouldRenderMedia ? (
+        <motion.div
+          className="relative overflow-hidden rounded-[28px] border border-white/12 bg-[#101214] shadow-[inset_0_1px_0_rgba(255,255,255,0.04)]"
+          initial={{ opacity: 0, scale: 0.96 }}
+          animate={{ opacity: 1, scale: 1 }}
+          transition={{ duration: 0.6, delay: 0.15 }}
+        >
+          <div className="aspect-[21/9] w-full">
+            {hasVideo ? (
+              <video
+                key={resolved.videoUrl}
+                className="h-full w-full object-cover"
+                src={resolved.videoUrl}
+                poster={resolved.posterUrl || undefined}
+                autoPlay
+                muted
+                loop
+                playsInline
+                preload="metadata"
+              />
+            ) : hasPoster ? (
+              <img
+                src={resolved.posterUrl || ""}
+                alt={resolved.overlayText || resolved.title}
+                className="h-full w-full object-cover"
+              />
+            ) : (
+              <div className="flex h-full w-full flex-col items-center justify-center bg-[radial-gradient(circle_at_top,#1b2430_0%,#0e1013_55%,#070809_100%)] text-center">
+                <div className="mb-4 flex h-20 w-20 items-center justify-center rounded-3xl border border-white/10 bg-white/[0.04]">
+                  <PlayCircle className="h-10 w-10 text-white/25" />
+                </div>
+                <div className="text-base font-medium text-white/70">顶部视频海报待配置</div>
+                <div className="mt-2 max-w-lg text-sm text-white/35">
+                  在智能体系统设置中上传视频或封面图后，这里会自动展示循环播放海报。
+                </div>
+              </div>
+            )}
+          </div>
+
+          <div className="pointer-events-none absolute inset-0 bg-[radial-gradient(circle_at_center,rgba(16,185,129,0.12),transparent_42%)]" />
+          <div className="pointer-events-none absolute inset-0 bg-gradient-to-t from-black/70 via-black/10 to-black/35" />
+
+          {resolved.overlayText ? (
+            <div className="pointer-events-none absolute inset-0 flex items-center justify-center px-8 text-center">
+              <div className="max-w-[78%] text-2xl font-semibold tracking-[0.18em] text-white/22 sm:text-3xl lg:text-5xl">
+                {resolved.overlayText}
+              </div>
+            </div>
+          ) : null}
+
+          <div className="pointer-events-none absolute inset-x-0 top-0 flex items-center justify-between px-5 py-5 sm:px-7">
+            <div className="rounded-full border border-white/14 bg-black/30 px-3 py-1 text-xs font-medium text-white/70 backdrop-blur-md">
+              视频海报
+            </div>
+            {hasVideo || hasPoster ? (
+              <div className="rounded-full border border-white/14 bg-black/30 px-3 py-1 text-xs text-white/55 backdrop-blur-md">
+                固定比例 21:9
+              </div>
+            ) : null}
+          </div>
+
+          {resolved.footerText ? (
+            <div className="pointer-events-none absolute bottom-5 left-5 flex items-center gap-2 rounded-full border border-white/14 bg-black/35 px-3 py-1.5 text-sm text-white/75 backdrop-blur-md sm:left-7">
+              <ImageIcon className="h-4 w-4" />
+              <span>{resolved.footerText}</span>
+            </div>
+          ) : null}
+        </motion.div>
+      ) : null}
+    </div>
+  );
+}
diff --git a/components/ui/searchable-select.tsx b/components/ui/searchable-select.tsx
index d1557759f..1606648b7 100644
--- a/components/ui/searchable-select.tsx
+++ b/components/ui/searchable-select.tsx
@@ -15,6 +15,7 @@ interface SearchableSelectProps {
   searchPlaceholder?: string;
   emptyText?: string;
   onValueChange: (value: string) => void;
+  theme?: "light" | "dark";
 }
 
 export function SearchableSelect({
@@ -24,9 +25,11 @@ export function SearchableSelect({
   searchPlaceholder = "输入关键字搜索",
   emptyText = "暂无可选项",
   onValueChange,
+  theme = "light",
 }: SearchableSelectProps) {
   const [open, setOpen] = useState(false);
   const [query, setQuery] = useState("");
+  const isDark = theme === "dark";
 
   useEffect(() => {
     if (!open) {
@@ -46,21 +49,48 @@ export function SearchableSelect({
         <Button
           type="button"
           variant="outline"
-          className="h-10 w-full justify-between px-3 text-left font-normal"
+          className={cn(
+            "h-10 w-full justify-between px-3 text-left font-normal",
+            isDark &&
+              "h-12 rounded-2xl border-white/14 bg-white/[0.05] text-white shadow-[inset_0_1px_0_rgba(255,255,255,0.04)] hover:bg-white/[0.08] hover:text-white"
+          )}
         >
-          <span className={cn("truncate", value ? "text-foreground" : "text-muted-foreground")}>
+          <span
+            className={cn(
+              "truncate",
+              value
+                ? isDark
+                  ? "text-white"
+                  : "text-foreground"
+                : isDark
+                  ? "text-white/42"
+                  : "text-muted-foreground"
+            )}
+          >
             {value || placeholder}
           </span>
-          <ChevronsUpDown className="h-4 w-4 text-muted-foreground" />
+          <ChevronsUpDown
+            className={cn("h-4 w-4", isDark ? "text-white/38" : "text-muted-foreground")}
+          />
         </Button>
       </PopoverTrigger>
-      <PopoverContent align="start" className="w-[var(--radix-popover-trigger-width)] p-3">
+      <PopoverContent
+        align="start"
+        className={cn(
+          "w-[var(--radix-popover-trigger-width)] p-3",
+          isDark && "border-white/12 bg-[#0c0f11]/98 text-white backdrop-blur-xl"
+        )}
+      >
         <div className="space-y-3">
           <Input
             autoFocus
             value={query}
             onChange={(event) => setQuery(event.target.value)}
             placeholder={searchPlaceholder}
+            className={cn(
+              isDark &&
+                "border-white/12 bg-white/[0.04] text-white placeholder:text-white/28 focus-visible:ring-emerald-400/30 focus-visible:ring-offset-0"
+            )}
           />
           <ScrollArea className="max-h-64">
             <div className="space-y-1">
@@ -78,8 +108,12 @@ export function SearchableSelect({
                       className={cn(
                         "flex w-full items-center justify-between rounded-md px-3 py-2 text-left text-sm transition-colors",
                         selected
-                          ? "bg-primary/10 text-primary"
-                          : "hover:bg-muted"
+                          ? isDark
+                            ? "bg-emerald-500/15 text-emerald-300"
+                            : "bg-primary/10 text-primary"
+                          : isDark
+                            ? "text-white/72 hover:bg-white/8 hover:text-white"
+                            : "hover:bg-muted"
                       )}
                     >
                       <span className="truncate">{item}</span>
@@ -88,7 +122,12 @@ export function SearchableSelect({
                   );
                 })
               ) : (
-                <div className="px-3 py-6 text-center text-sm text-muted-foreground">
+                <div
+                  className={cn(
+                    "px-3 py-6 text-center text-sm",
+                    isDark ? "text-white/35" : "text-muted-foreground"
+                  )}
+                >
                   {emptyText}
                 </div>
               )}
diff --git a/lib/agents/workflow-showcase-config.ts b/lib/agents/workflow-showcase-config.ts
new file mode 100644
index 000000000..0a86f508c
--- /dev/null
+++ b/lib/agents/workflow-showcase-config.ts
@@ -0,0 +1,47 @@
+import type { AgentWorkflowShowcaseConfig } from "@/types/agent";
+
+export const AGENT_WORKFLOW_SHOWCASE_CONFIG_KEY = "agent_workflow_showcase_config";
+
+export const defaultAgentWorkflowShowcaseConfig: AgentWorkflowShowcaseConfig = {
+  enabled: true,
+  title: "三倍速出片，电影级质感",
+  subtitle: "第一步：风格选择  第二步：生图模式",
+  actionText: "我要创作",
+  videoUrl: "",
+  posterUrl: "",
+  overlayText: "让每一步选择，都能直达高质感成片",
+  footerText: "用户作品",
+};
+
+function sanitizeText(value: unknown, maxLength: number) {
+  return String(value || "").trim().slice(0, maxLength);
+}
+
+export function normalizeAgentWorkflowShowcaseConfig(
+  value: unknown
+): AgentWorkflowShowcaseConfig {
+  if (!value || typeof value !== "object" || Array.isArray(value)) {
+    return defaultAgentWorkflowShowcaseConfig;
+  }
+
+  const raw = value as Record<string, unknown>;
+
+  return {
+    enabled:
+      typeof raw.enabled === "boolean"
+        ? raw.enabled
+        : defaultAgentWorkflowShowcaseConfig.enabled,
+    title:
+      sanitizeText(raw.title, 200) || defaultAgentWorkflowShowcaseConfig.title,
+    subtitle:
+      sanitizeText(raw.subtitle, 300) || defaultAgentWorkflowShowcaseConfig.subtitle,
+    actionText:
+      sanitizeText(raw.actionText, 48) || defaultAgentWorkflowShowcaseConfig.actionText,
+    videoUrl: sanitizeText(raw.videoUrl, 2000),
+    posterUrl: sanitizeText(raw.posterUrl, 2000) || null,
+    overlayText:
+      sanitizeText(raw.overlayText, 200) || defaultAgentWorkflowShowcaseConfig.overlayText,
+    footerText:
+      sanitizeText(raw.footerText, 64) || defaultAgentWorkflowShowcaseConfig.footerText,
+  };
+}
diff --git a/types/agent.ts b/types/agent.ts
index a8b27d4ca..e56e7f60b 100644
--- a/types/agent.ts
+++ b/types/agent.ts
@@ -63,6 +63,17 @@ export interface AgentWorkflowBrandModelConfig {
   entries: AgentWorkflowBrandModelEntry[];
 }
 
+export interface AgentWorkflowShowcaseConfig {
+  enabled: boolean;
+  title: string;
+  subtitle: string;
+  actionText: string;
+  videoUrl: string;
+  posterUrl?: string | null;
+  overlayText?: string | null;
+  footerText?: string | null;
+}
+
 export interface AgentWorkflowSelectedBrandModel extends AgentWorkflowBrandModelImage {
   brandName: string;
 }