diff --git a/frontend/src/views/components/HomeHeader/HomeHeader.css b/frontend/src/views/components/HomeHeader/HomeHeader.css
index f259f7f..543e8fc 100644
--- a/frontend/src/views/components/HomeHeader/HomeHeader.css
+++ b/frontend/src/views/components/HomeHeader/HomeHeader.css
@@ -69,10 +69,19 @@
   width: 100%;
   height: 100%;
   min-height: 0;
+  overflow: hidden;
   --settings-accent: var(--pm-primary-color);
 }
 
 /* 抽屉由 Teleport 挂载，使用专属类限定，不能依赖祖先的作用域属性。 */
+:global(.settings-drawer.el-drawer) {
+  inset-block: 12px;
+  height: auto;
+  max-height: calc(100dvh - 24px);
+  border-radius: 18px 0 0 18px;
+  overflow: hidden;
+}
+
 :global(.settings-drawer > .el-drawer__header) {
   margin-bottom: 0;
   padding: 16px 20px;
@@ -113,12 +122,16 @@
 }
 
 .settings-tabs > :deep(.el-tabs__header) {
-  flex: 0 0 154px;
+  flex: 0 0 clamp(188px, 22%, 232px);
+  min-width: 0;
+  max-height: 100%;
   margin: 0 0 0 12px !important;
   padding: 6px;
   border: 1px solid var(--pm-border-color);
   border-radius: var(--pm-radius-md);
   background: var(--pm-bg-primary);
+  overflow-y: auto;
+  scrollbar-gutter: stable;
 }
 
 .settings-tabs > :deep(.el-tabs__header .el-tabs__nav-wrap::after),
@@ -132,11 +145,14 @@
 
 .settings-tabs > :deep(.el-tabs__header .el-tabs__nav) {
   border: 0;
+  width: 100%;
+  min-width: 0;
 }
 
 .settings-tabs > :deep(.el-tabs__header .el-tabs__item) {
   height: auto;
   min-height: 52px;
+  min-width: 0;
   justify-content: flex-start;
   margin: 2px 0;
   padding: 8px !important;
@@ -180,12 +196,16 @@
 .settings-category-copy {
   display: grid;
   gap: 2px;
+  min-width: 0;
 }
 
 .settings-category-label {
   font-size: 14px;
   font-weight: 650;
   line-height: 1.4;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .settings-category-hint {
@@ -193,6 +213,9 @@
   font-weight: 400;
   line-height: 1.4;
   opacity: .85;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .settings-tabs > :deep(.el-tabs__content) {
@@ -237,8 +260,15 @@
     padding: 18px 14px;
   }
 
+  :global(.settings-drawer.el-drawer) {
+    inset-block: 0;
+    max-height: none;
+    border-radius: 0;
+  }
+
   .settings-tabs > :deep(.el-tabs__header) {
     flex: none;
+    max-height: none;
     margin: 12px 0 16px !important;
     padding: 4px;
     border-radius: 14px;
@@ -258,4 +288,8 @@
     padding-right: 0;
     overflow: visible;
   }
+
+  .settings-tabs {
+    overflow: visible;
+  }
 }
diff --git a/frontend/src/views/components/HomeHeader/HomeHeader.vue b/frontend/src/views/components/HomeHeader/HomeHeader.vue
index a45d323..d41e56d 100644
--- a/frontend/src/views/components/HomeHeader/HomeHeader.vue
+++ b/frontend/src/views/components/HomeHeader/HomeHeader.vue
@@ -20,7 +20,7 @@
   <!-- 设置抽屉保留右侧导航，一级分类不影响内部标签页。 -->
   <el-drawer
     v-model="globalStatus.settingsDrawerVisible"
-    :size="isMobile ? '100%' : 'min(100vw, max(72vw, 1100px))'"
+    :size="isMobile ? '100%' : 'min(1180px, calc(100vw - 32px))'"
     :title="lang.settings"
     class="settings-drawer"
     :with-header="true"
diff --git a/test/frontend/settings-menu.test.mjs b/test/frontend/settings-menu.test.mjs
index c90ecb4..331d879 100644
--- a/test/frontend/settings-menu.test.mjs
+++ b/test/frontend/settings-menu.test.mjs
@@ -139,7 +139,7 @@ test('配置管理只在真实移动端将内部导航移到内容顶部', () =>
   const containerStart = config.indexOf('@container settings-content (max-width: 560px)')
   const desktopStart = config.indexOf('@media (min-width: 769px)', containerStart)
   const containerRule = config.slice(containerStart, desktopStart)
-  assert.match(header, /min\(100vw, max\(72vw, 1100px\)\)/)
+  assert.match(header, /min\(1180px, calc\(100vw - 32px\)\)/)
   assert.match(config, /grid-template-areas: "main submenu"/)
   assert.match(config, /@media \(min-width: 769px\)[\s\S]*grid-template-columns: minmax\(0, 1fr\)/)
   assert.match(config, /@media \(max-width: 768px\)[\s\S]*"submenu"[\s\S]*"main"/)