diff --git a/src/global.less b/src/global.less
index 0eeb6c3..3d7c02f 100644
--- a/src/global.less
+++ b/src/global.less
@@ -75,55 +75,44 @@ body {
   left: 64px !important;
 }
 
-// Tabs Header样式 - 固定在CustomHeader下方
+// Tabs Header样式 - 使用padding-top避免重叠
 div[class*="page-container-header"],
 .ant-pro-page-container > div[class*="page-container-header"],
 .ant-pro-page-container-header {
-  position: fixed !important;
-  top: 64px !important; /* CustomHeader的高度，确保在其下方 */
-  right: 0 !important;
-  left: 220px !important; /* 侧边栏宽度 */
-  z-index: 1000 !important; /* 低于CustomHeader但高于内容 */
+  padding-top: 64px !important; /* 等于CustomHeader的高度 */
+  padding-bottom: 0 !important;
+  padding-left: 0 !important;
+  padding-right: 0 !important;
   margin: 0 !important;
-  padding: 4px 24px !important; /* 减小padding */
   background: #ffffff !important;
   border-bottom: 1px solid #f0f0f0 !important;
-  box-shadow: 0 1px 4px rgba(0,0,0,0.05) !important;
+  position: relative !important;
   height: auto !important;
-  min-height: 36px !important; /* 进一步减小最小高度 */
-  max-height: 50px !important; /* 减小最大高度 */
-  display: flex !important;
-  align-items: center !important;
 }
 
-// 当侧边栏折叠时，调整tabs header的left值
-.ant-layout-sider-collapsed ~ .ant-layout .ant-pro-page-container-header {
-  left: 64px !important;
+// Tabs header的内部padding
+.ant-pro-page-container-header > div,
+div[class*="page-container-header"] > div {
+  padding: 6px 24px !important; /* 内部padding */
 }
 
 // 强制PageContainer header样式
 .ant-pro-page-container .ant-pro-page-container-header {
-  position: fixed !important;
-  top: 64px !important;
-  right: 0 !important;
-  left: 220px !important;
-  z-index: 1000 !important;
+  padding-top: 64px !important;
+  padding-bottom: 0 !important;
+  padding-left: 0 !important;
+  padding-right: 0 !important;
   margin: 0 !important;
-  padding: 4px 24px !important;
-  min-height: 36px !important;
-  max-height: 50px !important;
-  display: flex !important;
-  align-items: center !important;
+  background: #ffffff !important;
+  border-bottom: 1px solid #f0f0f0 !important;
 }
 
-// Tabs样式优化 - 让内容自动撑开，减小高度
+// Tabs样式优化 - 减小高度
 .ant-pro-page-container-header .tabs-header-only,
 div[class*="page-container-header"] .tabs-header-only {
   margin: 0 !important;
   line-height: 1 !important;
   height: auto !important;
-  display: flex !important;
-  align-items: center !important;
 }
 
 .ant-pro-page-container-header .ant-tabs,
@@ -142,20 +131,18 @@ div[class*="page-container-header"] .ant-tabs-nav {
 div[class*="page-container-header"] .ant-tabs-nav-list {
   margin-bottom: 0 !important;
   height: auto !important;
-  display: flex !important;
-  align-items: center !important;
 }
 
 .ant-pro-page-container-header .ant-tabs-tab,
 div[class*="page-container-header"] .ant-tabs-tab {
-  padding: 4px 10px !important; /* 进一步减小padding */
+  padding: 4px 10px !important; /* 减小padding */
   background: #f5f5f5;
   border-radius: 4px;
   margin-right: 4px;
   transition: all 0.2s;
-  height: 28px !important; /* 进一步减小标签高度 */
+  height: 28px !important; /* 减小标签高度 */
   line-height: 28px !important;
-  font-size: 13px; /* 稍微减小字体 */
+  font-size: 13px;
   display: inline-flex !important;
   align-items: center !important;
 }
@@ -203,15 +190,16 @@ div[class*="page-container-header"] .ant-tabs-ink-bar {
 // 内容区域 - 添加顶部padding避免被固定header遮挡
 .ant-pro-grid-content {
   padding: 24px;
-  padding-top: 130px; /* 64px CustomHeader + 50px tabs header + 16px */
+  padding-top: 24px; /* 恢复正常padding */
 }
 
 .ant-pro-page-container {
-  padding-top: 130px;
+  padding-top: 0 !important;
 }
 
 .ant-pro-page-container-children-content {
   padding-top: 0 !important;
+  padding: 24px !important;
 }
 
 // 页面容器卡片