diff --git a/src/components/AppShell.tsx b/src/components/AppShell.tsx
index 3457460..e9e0e97 100644
--- a/src/components/AppShell.tsx
+++ b/src/components/AppShell.tsx
@@ -73,7 +73,7 @@ function AppShell({
   const [navJustActivated, setNavJustActivated] = useState<WebViewKey | null>(null);
   const isAuthView = activeView === "login";
   const isImmersiveView = activeView === "agent" || activeView === "avatarConsole";
-  const showFloatingNav = !isAuthView && !isImmersiveView && activeView !== "home";
+  const showFloatingNav = (!isAuthView || !!session) && !isImmersiveView && activeView !== "home";
   const toolSurfaceViews = [
     "workbench",
     "canvas",
diff --git a/src/features/home/HomePage.tsx b/src/features/home/HomePage.tsx
index 2122921..366ccc8 100644
--- a/src/features/home/HomePage.tsx
+++ b/src/features/home/HomePage.tsx
@@ -193,9 +193,9 @@ function getHomeCarouselCardStyle(offset: number): CSSProperties {
   const depth = Math.abs(offset);
   const direction = Math.sign(offset);
   const isActive = depth === 0;
-  const xByDepth = [0, 286, 456, 610, 735, 840];
+  const xByDepth = [0, 190, 320, 430, 520, 590];
   const yByDepth = [8, -2, -8, -13, -18, -24];
-  const scaleByDepth = [1, 0.98, 0.94, 0.91, 0.88, 0.84];
+  const scaleByDepth = [1, 1, 1, 1, 1, 1];
   const x = direction * (xByDepth[depth] ?? xByDepth[xByDepth.length - 1]!);
   const y = yByDepth[depth] ?? yByDepth[yByDepth.length - 1]!;
   const z = isActive ? 90 : 28 - depth;
diff --git a/src/features/image-workbench/ImageWorkbenchPage.tsx b/src/features/image-workbench/ImageWorkbenchPage.tsx
index 4307288..c88c634 100644
--- a/src/features/image-workbench/ImageWorkbenchPage.tsx
+++ b/src/features/image-workbench/ImageWorkbenchPage.tsx
@@ -1284,12 +1284,16 @@ function ImageWorkbenchPage({ initialTool = "workbench", onOpenMore, onSelectVie
               ))}
             </div>
           ) : referenceImage ? (
-            <img src={referenceImage} alt="参考图预览" />
+            <div className="studio-canvas-image">
+              <img src={referenceImage} alt="参考图预览" />
+            </div>
           ) : (
-            <div className="image-workbench-empty">
-              <PictureOutlined />
-              <strong>上传参考图后在此预览</strong>
-              <span>生成结果也会显示在这里</span>
+            <div className="studio-canvas-ghost">
+              <div className="studio-canvas-ghost__icon">
+                <PictureOutlined />
+              </div>
+              <div className="studio-canvas-ghost__title">上传参考图后在此预览</div>
+              <div className="studio-canvas-ghost__hint">生成结果也会显示在这里</div>
             </div>
           )}
         </section>
diff --git a/src/features/profile/ProfilePage.tsx b/src/features/profile/ProfilePage.tsx
index a94c221..edf5f96 100644
--- a/src/features/profile/ProfilePage.tsx
+++ b/src/features/profile/ProfilePage.tsx
@@ -458,20 +458,22 @@ function ProfilePage({
   const renderActivePanel = () => {
     if (activePanel === "works") {
       return visibleWorks.length ? (
-        <div className="profile-page__list-grid motion-stagger">
-          {visibleWorks.map((task) => (
-            <article key={task.id} className="profile-page__list-card">
-              <div className="profile-page__list-card-head">
-                <strong>{task.title}</strong>
-                <span>{task.type}</span>
-              </div>
-              <p>{task.prompt}</p>
-              <div className="profile-page__list-card-meta">
-                <span>{task.status}</span>
-                <span>{task.createdAt}</span>
-              </div>
-            </article>
-          ))}
+        <div className="profile-page__works-scroll">
+          <div className="profile-page__list-grid motion-stagger">
+            {visibleWorks.map((task) => (
+              <article key={task.id} className="profile-page__list-card">
+                <div className="profile-page__list-card-head">
+                  <strong>{task.title}</strong>
+                  <span>{task.type}</span>
+                </div>
+                <p>{task.prompt}</p>
+                <div className="profile-page__list-card-meta">
+                  <span>{task.status}</span>
+                  <span>{task.createdAt}</span>
+                </div>
+              </article>
+            ))}
+          </div>
         </div>
       ) : (
         renderEmptyState("向全世界展示你最得意的创作。", "开始创作", onOpenWorkbench)
diff --git a/src/styles/pages/home.css b/src/styles/pages/home.css
index e43ab86..a42520a 100644
--- a/src/styles/pages/home.css
+++ b/src/styles/pages/home.css
@@ -278,8 +278,8 @@
 }
 
 .omni-home__carousel {
-  width: min(100%, 1280px);
-  min-height: clamp(340px, 34vw, 500px);
+  width: min(100%, 1440px);
+  min-height: clamp(400px, 38vw, 560px);
   aspect-ratio: auto;
   overflow: hidden;
   color: #f6f8f6;
@@ -287,8 +287,8 @@
 }
 
 .omni-home__carousel-stage {
-  width: min(100%, 1160px);
-  height: clamp(320px, 31vw, 450px);
+  width: min(100%, 1320px);
+  height: clamp(380px, 36vw, 520px);
   margin: 0 auto;
   overflow: visible;
   transform-style: preserve-3d;
@@ -315,12 +315,12 @@
   top: 50%;
   left: 50%;
   display: grid;
-  width: clamp(214px, 17vw, 286px);
-  height: clamp(122px, 9.8vw, 162px);
+  width: clamp(480px, 42vw, 720px);
+  height: clamp(270px, 23.6vw, 405px);
   place-items: center;
   overflow: hidden;
   border: 0;
-  border-radius: clamp(10px, 1.2vw, 16px);
+  border-radius: clamp(16px, 1.8vw, 24px);
   background: #0d1110;
   color: #101412;
   padding: 0;
@@ -374,7 +374,7 @@
     saturate(1.08)
     contrast(1.02)
     drop-shadow(0 18px 18px rgb(0 0 0 / 14%));
-  object-fit: cover;
+  object-fit: contain;
   transform: translateZ(12px);
   transition:
     filter 640ms cubic-bezier(0.22, 1, 0.36, 1),
@@ -387,9 +387,6 @@
 }
 
 .omni-home__carousel-card.is-active {
-  width: clamp(390px, 37vw, 620px);
-  height: clamp(220px, 20.8vw, 350px);
-  border-radius: clamp(16px, 1.8vw, 24px);
   box-shadow:
     0 18px 40px rgb(0 0 0 / 26%),
     inset 0 -1px 0 rgb(0 0 0 / 8%);
diff --git a/src/styles/pages/image-workbench.css b/src/styles/pages/image-workbench.css
index 10cd3f0..384ada2 100644
--- a/src/styles/pages/image-workbench.css
+++ b/src/styles/pages/image-workbench.css
@@ -563,7 +563,10 @@ textarea.image-workbench-prompt {
   align-items: center;
   justify-content: center;
   overflow: hidden;
-  background: var(--bg-inset);
+  background:
+    radial-gradient(circle, rgba(var(--accent-rgb), 0.12) 1px, transparent 1.4px),
+    var(--bg-inset);
+  background-size: 22px 22px;
 }
 
 .image-workbench-canvas img {
diff --git a/src/styles/pages/profile.css b/src/styles/pages/profile.css
index 7621d3b..1541117 100644
--- a/src/styles/pages/profile.css
+++ b/src/styles/pages/profile.css
@@ -1 +1,17 @@
 /* Profile page rules move here as they are retired from legacy-pages.css. */
+
+/* ── 代表作滚动容器：固定3列，刚好显示9个（3行），超出可滚动，隐藏滚动条 ── */
+.profile-page__works-scroll {
+  max-height: 390px; /* 3行卡片：3 × 120(min-height) + 2 × 10(gap) = 380px，留10px余量 */
+  overflow-y: auto;
+  scrollbar-width: none; /* Firefox */
+  -ms-overflow-style: none; /* IE/Edge */
+}
+
+.profile-page__works-scroll::-webkit-scrollbar {
+  display: none; /* Chrome/Safari/Edge */
+}
+
+.profile-page__works-scroll .profile-page__list-grid {
+  grid-template-columns: repeat(3, 1fr); /* 固定3列，刚好3×3=9个可见 */
+}