diff --git a/src/App.vue b/src/App.vue
index d2eb7af..33b2593 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -51,8 +51,8 @@ const narrowMedia = window.matchMedia(NARROW_NAV)
 const narrow = ref(narrowMedia.matches)
 const collapsed = ref(narrow.value)
 const settingsOpen = ref(false)
-/** 窄屏折叠只裁切文字，不把菜单收成图标，避免推挤动画时错位。 */
-const menuCollapsed = computed(() => !narrow.value && collapsed.value)
+/** 折叠只裁切文字，不把菜单收成图标，宽屏与窄屏共用同一套宽度动画。 */
+const menuCollapsed = false
 /** 当前视口下的折叠侧栏宽度。 */
 const siderCollapsedWidth = computed(() => (narrow.value ? SIDER_COLLAPSED_WIDTH_NARROW : SIDER_COLLAPSED_WIDTH))
 /** 当前视口下的展开侧栏宽度。 */
@@ -163,14 +163,14 @@ const menuOptions = computed<MenuOption[]>(() => [
                 :style="{ width: (collapsed ? siderCollapsedWidth : siderExpandedWidth) + 'px' }"
                 aria-label="主导航"
             >
-                <!-- 以下是侧栏品牌：折叠仅图标，展开图标加文字 -->
+                <!-- 以下是侧栏品牌：折叠裁切文字，图标位置保持不变 -->
                 <RouterLink
                     to="/projects"
                     class="admin-brand"
                     :class="{ 'is-collapsed': collapsed }"
                     aria-label="短剧工作台首页"
                 >
-                    <Clapperboard :size="narrow ? NAV_ICON_SIZE : 24" /><span v-if="!collapsed"
+                    <Clapperboard :size="narrow ? NAV_ICON_SIZE : 24" /><span
                         >短剧工作台<small>SHORT DRAMA STUDIO</small></span
                     >
                 </RouterLink>
@@ -186,7 +186,7 @@ const menuOptions = computed<MenuOption[]>(() => [
                         :root-indent="navIconIndent"
                     />
                 </NScrollbar>
-                <!-- 以下是侧栏底部后端连接：折叠仅图标，展开图标加文字 -->
+                <!-- 以下是侧栏底部后端连接：折叠裁切文字，图标位置保持不变 -->
                 <footer class="admin-sider-footer">
                     <NTooltip placement="right" :disabled="!collapsed">
                         <template #trigger>
@@ -199,7 +199,7 @@ const menuOptions = computed<MenuOption[]>(() => [
                                 @click="openSettings"
                             >
                                 <template #icon><Settings2 :size="18" /></template>
-                                <span v-if="!collapsed">后端连接</span>
+                                <span class="admin-settings-label">后端连接</span>
                             </NButton>
                         </template>
                         后端连接
@@ -272,37 +272,57 @@ const menuOptions = computed<MenuOption[]>(() => [
 }
 .admin-sider {
     @apply flex flex-col h-full w-[208px] shrink-0 overflow-hidden bg-(--app-subtle);
+    transition: width 0.32s cubic-bezier(0.22, 1, 0.36, 1);
 }
 .admin-sider.is-collapsed {
     @apply w-16;
 }
 .admin-nav-scroll.n-scrollbar {
     @apply flex-1 min-h-0;
+    min-width: var(--admin-sider-expanded);
+}
+.admin-sider .n-menu-item-content-header {
+    opacity: 1;
+    transition: opacity 0.2s ease;
+}
+.admin-sider.is-collapsed .n-menu-item-content-header {
+    opacity: 0;
 }
 .admin-sider-footer {
     @apply w-full shrink-0 overflow-hidden;
     padding-block: 8px max(8px, env(safe-area-inset-bottom));
 }
 .n-button.admin-settings-button {
-    @apply justify-start h-11 w-full px-5;
+    @apply justify-start h-11 w-full overflow-hidden px-5;
 }
-.n-button.admin-settings-button.is-collapsed {
-    @apply justify-center px-0;
+.n-button.admin-settings-button .n-button__icon {
+    @apply shrink-0;
+}
+.admin-settings-label {
+    @apply whitespace-nowrap;
+    opacity: 1;
+    transition: opacity 0.2s ease;
+}
+.admin-sider.is-collapsed .admin-settings-label {
+    opacity: 0;
 }
 .admin-sider .n-menu .n-menu-item-content::before {
     @apply left-0 right-0 rounded-none;
 }
 .admin-brand {
-    @apply flex shrink-0 items-center gap-3 h-[74px] py-0 px-5 text-ink whitespace-nowrap;
-}
-.admin-brand.is-collapsed {
-    @apply justify-center px-0;
+    @apply flex shrink-0 items-center gap-3 h-[74px] overflow-hidden py-0 px-5 text-ink whitespace-nowrap;
+    min-width: var(--admin-sider-expanded);
 }
 .admin-brand > svg {
     @apply shrink-0;
 }
 .admin-brand span {
     @apply text-[15px] font-semibold;
+    opacity: 1;
+    transition: opacity 0.2s ease;
+}
+.admin-sider.is-collapsed .admin-brand span {
+    opacity: 0;
 }
 .admin-brand small {
     @apply block text-[8px] tracking-[1px] font-normal text-muted mt-[3px];
@@ -319,7 +339,6 @@ const menuOptions = computed<MenuOption[]>(() => [
 @media (max-width: 800px) {
     .admin-sider {
         overflow: hidden;
-        transition: width 0.32s cubic-bezier(0.22, 1, 0.36, 1);
     }
     /* 主栏宽度锁在折叠态剩余空间，侧栏变宽时把主栏推到右侧而不是压窄。 */
     .admin-layout > .admin-main {
@@ -328,21 +347,8 @@ const menuOptions = computed<MenuOption[]>(() => [
         min-width: calc(100% - var(--admin-sider-collapsed));
         max-width: calc(100% - var(--admin-sider-collapsed));
     }
-    .admin-nav-scroll.n-scrollbar {
-        min-width: var(--admin-sider-expanded);
-    }
     .admin-brand {
-        @apply h-12 w-full overflow-hidden;
-    }
-    .admin-sider:not(.is-collapsed) .admin-brand {
-        @apply justify-start px-3.5;
-    }
-    .admin-sider .n-menu-item-content-header {
-        opacity: 1;
-        transition: opacity 0.2s ease;
-    }
-    .admin-sider.is-collapsed .n-menu-item-content-header {
-        opacity: 0;
+        @apply h-12 justify-start px-3.5;
     }
     .admin-topbar {
         @apply py-0 px-2.5;
@@ -350,7 +356,9 @@ const menuOptions = computed<MenuOption[]>(() => [
 }
 @media (prefers-reduced-motion: reduce) {
     .admin-sider,
-    .admin-sider .n-menu-item-content-header {
+    .admin-sider .n-menu-item-content-header,
+    .admin-brand span,
+    .admin-settings-label {
         transition: none;
     }
 }
diff --git a/src/components/ui/WorkspaceTools.vue b/src/components/ui/WorkspaceTools.vue
index 469a202..a2b1896 100644
--- a/src/components/ui/WorkspaceTools.vue
+++ b/src/components/ui/WorkspaceTools.vue
@@ -54,19 +54,22 @@ const open = defineModel<boolean>('open', { default: false })
 @reference "../../styles/styles.css";
 .workspace-tools-drawer .n-drawer-header,
 .workspace-tools-drawer .n-drawer-footer {
-    @apply bg-(--app-subtle);
+    @apply bg-(--app-subtle) p-4;
 }
 .workspace-tools-drawer .n-drawer-body {
-    @apply bg-(--app-body);
+    @apply bg-(--app-body) p-0;
 }
 .workspace-tools-drawer {
+    --n-header-padding: 16px;
+    --n-body-padding: 16px;
+    --n-footer-padding: 16px;
     @apply max-w-full;
 }
 .workspace-tools-heading {
     @apply flex items-center justify-between gap-4 w-full text-[15px];
 }
 .workspace-tools-body {
-    @apply p-5;
+    @apply p-4;
 }
 .workspace-tools-body .storyboard-controls,
 .workspace-tools-body .production-controls {
@@ -84,9 +87,4 @@ const open = defineModel<boolean>('open', { default: false })
 .workspace-tools-body .production-pipeline {
     @apply grid-cols-[repeat(auto-fit,_minmax(min(100%,_230px),_1fr))];
 }
-@media (max-width: 760px) {
-    .workspace-tools-body {
-        @apply p-3.5;
-    }
-}
 </style>
diff --git a/src/features/breakdown/BreakdownPage.vue b/src/features/breakdown/BreakdownPage.vue
index d690b42..c1bff47 100644
--- a/src/features/breakdown/BreakdownPage.vue
+++ b/src/features/breakdown/BreakdownPage.vue
@@ -145,10 +145,7 @@ function exportResult() {
                         >抽取 {{ summary.completed }} / {{ summary.total }} · 失败 {{ summary.failed }}</span
                     >
                     <span>主体 {{ subjects.length }} · 分镜剧集 {{ shots.length }} / {{ plans.length }}</span>
-                </div>
-                <div v-if="snapshot || project?.episodes.length" class="toolbar-actions">
                     <StatusBadge
-                        v-if="snapshot"
                         :status="execution?.status || 'unknown'"
                         :label="
                             execution?.status === 'completed'
@@ -158,12 +155,9 @@ function exportResult() {
                                   : '执行状态待确认'
                         "
                     />
-                    <WorkspaceTools
-                        v-if="project?.episodes.length"
-                        v-model:open="toolsOpen"
-                        title="拆解设置与恢复"
-                        label="拆解设置与恢复"
-                    >
+                </div>
+                <div v-if="project?.episodes.length" class="toolbar-actions">
+                    <WorkspaceTools v-model:open="toolsOpen" title="拆解设置与恢复" label="拆解设置与恢复">
                         <section class="panel breakdown-settings-panel p-5 lg:p-6">
                             <div class="mb-5 flex flex-wrap items-start justify-between gap-3">
                                 <div>
@@ -423,14 +417,14 @@ function exportResult() {
                         <!-- 所有结果标签共用有界的内容滚动；切换标签回到顶部，不继承上一列表的位置。 -->
                         <NScrollbar :key="tab" class="panel-scroll breakdown-results-scroll">
                             <template v-for="option in moduleOptions" :key="option.value"
-                                ><div v-if="tab === option.value">
+                                ><div v-if="tab === option.value" class="breakdown-result-pad">
                                     <SubjectList
                                         :project-id="project?.id"
                                         :subjects="subjects.filter(item => item.module === option.value)"
                                         :forms="forms"
                                     /></div
                             ></template>
-                            <div v-if="tab === 'storyboard'">
+                            <div v-if="tab === 'storyboard'" class="breakdown-result-pad">
                                 <StoryboardList :plans="plans" :episodes="shots">
                                     <template #actions>
                                         <RouterLink :to="`/projects/${project?.id}/storyboard`" class="text-button"
@@ -439,7 +433,7 @@ function exportResult() {
                                     </template>
                                 </StoryboardList>
                             </div>
-                            <div v-if="tab === 'tasks'" class="p-5">
+                            <div v-if="tab === 'tasks'" class="breakdown-result-pad">
                                 <NScrollbar x-scrollable v-if="snapshot?.tasks?.length" class="table-scroll">
                                     <NTable :bordered="false" :single-line="true" striped class="project-table"
                                         ><thead>
@@ -588,6 +582,9 @@ function exportResult() {
 .breakdown-results-scroll .n-scrollbar-content {
     @apply wrap-anywhere;
 }
+.breakdown-result-pad {
+    @apply p-4;
+}
 .breakdown-results-section > .content-with-history.history-hidden {
     @apply grid-cols-[minmax(0,_1fr)] grid-rows-[minmax(0,_1fr)];
 }
@@ -618,9 +615,6 @@ function exportResult() {
     .breakdown-workspace-page .toolbar-actions > * {
         @apply shrink-0;
     }
-    .breakdown-workspace-page .toolbar-actions .n-tag {
-        @apply hidden;
-    }
     .breakdown-workspace-page .workspace-tools-label {
         @apply hidden;
     }
diff --git a/src/features/breakdown/components/StoryboardList.vue b/src/features/breakdown/components/StoryboardList.vue
index d0d5547..e9a3e97 100644
--- a/src/features/breakdown/components/StoryboardList.vue
+++ b/src/features/breakdown/components/StoryboardList.vue
@@ -131,7 +131,7 @@ const purposeLabels: Record<string, string> = {
     }
 }
 .breakdown-storyboard {
-    @apply pt-4 px-5 pb-5;
+    @apply min-w-0;
 }
 .breakdown-storyboard-toolbar {
     @apply flex items-center justify-between flex-wrap gap-y-3 gap-x-6 mb-4;
diff --git a/src/features/breakdown/components/SubjectList.vue b/src/features/breakdown/components/SubjectList.vue
index 6b80b2a..6249538 100644
--- a/src/features/breakdown/components/SubjectList.vue
+++ b/src/features/breakdown/components/SubjectList.vue
@@ -140,14 +140,6 @@ const filtered = computed(() =>
 .subject-details[open] summary svg {
     @apply rotate-180;
 }
-.subject-list {
-    @apply p-5;
-}
-@media (min-width: 1024px) {
-    .subject-list {
-        @apply p-7;
-    }
-}
 .subject-list-toolbar {
     @apply flex flex-wrap items-center justify-start gap-y-2.5 gap-x-3 mb-5;
 }
@@ -158,9 +150,6 @@ const filtered = computed(() =>
     @apply shrink-0 text-muted text-xs whitespace-nowrap;
 }
 @media (max-width: 800px) {
-    .subject-list {
-        @apply p-3;
-    }
     .subject-list-toolbar {
         @apply flex-nowrap gap-2 mb-3;
     }
diff --git a/tests/components/ui/layout.test.ts b/tests/components/ui/layout.test.ts
index 1b5859a..7ccf00b 100644
--- a/tests/components/ui/layout.test.ts
+++ b/tests/components/ui/layout.test.ts
@@ -157,6 +157,7 @@ describe('管理后台组件边界', () => {
         expect(wrapper.find('.admin-nav-scroll [aria-label="后端连接"]').exists()).toBe(false)
         expect(wrapper.get('.admin-sider-footer [aria-label="后端连接"]').text()).toBe('后端连接')
         expect(wrapper.getComponent(NMenu).props()).toMatchObject({
+            collapsed: false,
             collapsedWidth: 64,
             iconSize: 20,
             collapsedIconSize: 20,
@@ -165,8 +166,9 @@ describe('管理后台组件边界', () => {
         })
         await wrapper.get('[aria-label="折叠侧栏"]').trigger('click')
         expect(wrapper.find('[aria-label="展开侧栏"]').exists()).toBe(true)
+        expect(wrapper.getComponent(NMenu).props('collapsed')).toBe(false)
         const settings = wrapper.get('.admin-sider-footer [aria-label="后端连接"]')
-        expect(settings.text()).toBe('')
+        expect(settings.text()).toBe('后端连接')
         await settings.trigger('click')
         await flushPromises()
         expect(document.querySelector('[role="dialog"][aria-label="后端连接"]')).not.toBeNull()
@@ -176,13 +178,18 @@ describe('管理后台组件边界', () => {
     it('侧栏菜单独立滚动，页脚不参与滚动且窄屏展开平移主栏', () => {
         const css = readAllStyles()
         expect(css).toMatch(/\.admin-sider\s*\{[^}]*display:\s*flex;[^}]*flex-direction:\s*column;[^}]*height:\s*100%/)
-        expect(css).toMatch(/\.admin-nav-scroll\.n-scrollbar\s*\{[^}]*flex:\s*1;[^}]*min-height:\s*0/)
+        expect(css).toMatch(
+            /\.admin-nav-scroll\.n-scrollbar\s*\{[^}]*flex:\s*1;[^}]*min-height:\s*0;[^}]*min-width:\s*var\(--admin-sider-expanded\)/
+        )
+        expect(css).toMatch(/\.admin-sider\.is-collapsed \.n-menu-item-content-header\s*\{[^}]*opacity:\s*0/)
         expect(css).toMatch(/\.admin-sider-footer\s*\{[^}]*flex-shrink:\s*0/)
-        expect(css).toMatch(/\.n-button\.admin-settings-button\.is-collapsed\s*\{[^}]*justify-content:\s*center/)
-        expect(css).toMatch(/\.admin-brand\.is-collapsed\s*\{[^}]*justify-content:\s*center/)
+        expect(css).toMatch(/\.admin-sider\.is-collapsed \.admin-settings-label\s*\{[^}]*opacity:\s*0/)
+        expect(css).toMatch(/\.admin-sider\.is-collapsed \.admin-brand span\s*\{[^}]*opacity:\s*0/)
         expect(css).toMatch(/@media \(max-width: 800px\)[\s\S]*?\.admin-brand\s*\{[^}]*height:\s*48px/)
         expect(css).toContain('@media (max-width: 800px)')
-        expect(css).toMatch(/transition:\s*width\s+0\.32s/)
+        expect(css).toMatch(/\.admin-sider\s*\{[^}]*transition:\s*width\s+0\.32s/)
+        expect(css).toMatch(/\.workspace-tools-body\s*\{[^}]*padding:\s*16px/)
+        expect(css).toMatch(/\.workspace-tools-drawer \.n-drawer-header[\s\S]*?padding:\s*16px/)
         expect(css).toContain('calc(100% - var(--admin-sider-collapsed))')
         expect(css).toContain('@media (prefers-reduced-motion: reduce)')
         expect(css).not.toContain('.admin-sider-mask')
@@ -237,9 +244,9 @@ describe('管理后台组件边界', () => {
         })
         const collapsedBrand = wrapper.get('.admin-brand')
         expect(collapsedBrand.classes()).toContain('is-collapsed')
-        expect(collapsedBrand.text()).toBe('')
+        expect(collapsedBrand.text()).toContain('短剧工作台')
         const collapsedSettings = wrapper.get('.admin-sider-footer [aria-label="后端连接"]')
-        expect(collapsedSettings.text()).toBe('')
+        expect(collapsedSettings.text()).toBe('后端连接')
         expect(collapsedSettings.classes()).toContain('is-collapsed')
         await wrapper.get('[aria-label="展开侧栏"]').trigger('click')
         await flushPromises()
@@ -260,8 +267,8 @@ describe('管理后台组件边界', () => {
         await flushPromises()
         expect(wrapper.get('.admin-sider').classes()).toContain('is-collapsed')
         expect(wrapper.get('.admin-sider').attributes('style')).toContain('width: 48px')
-        expect(wrapper.get('.admin-brand').text()).toBe('')
-        expect(wrapper.get('.admin-sider-footer [aria-label="后端连接"]').text()).toBe('')
+        expect(wrapper.get('.admin-brand').text()).toContain('短剧工作台')
+        expect(wrapper.get('.admin-sider-footer [aria-label="后端连接"]').text()).toBe('后端连接')
     })
 
     it('长弹窗使用内部滚动，提交期间禁止遮罩和 Esc 关闭', async () => {
diff --git a/tests/features/breakdown/BreakdownPage.test.ts b/tests/features/breakdown/BreakdownPage.test.ts
index 2da09a2..b20a335 100644
--- a/tests/features/breakdown/BreakdownPage.test.ts
+++ b/tests/features/breakdown/BreakdownPage.test.ts
@@ -365,7 +365,7 @@ describe('拆解页内容滚动', () => {
     it('分镜顶部无叠加操作行，选择标签保持单行且统计操作垂直居中', () => {
         // 仅保护样式契约，DOM 环境不提供真实布局坐标。
         const css = readAllStyles()
-        expect(css).toMatch(/\.breakdown-storyboard\s*\{[^}]*padding:\s*16px 20px 20px;/)
+        expect(css).toMatch(/\.breakdown-result-pad\s*\{[^}]*padding:\s*16px/)
         expect(css).toMatch(/\.breakdown-episode-picker > span\s*\{[^}]*flex-shrink:\s*0;[^}]*white-space:\s*nowrap;/)
         expect(css).toMatch(/\.breakdown-storyboard-summary\s*\{[^}]*align-items:\s*center;/)
     })