diff --git a/web/static/css/style.css b/web/static/css/style.css
index fc1c181c..9097edc5 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -53,9 +53,9 @@ body {
     min-height: 0;
 }
 
-/* 主侧边栏样式 - Ant Design Pro 风格 */
+/* 主侧边栏样式 - 紧凑宽度，参考常见后台 200~220px */
 .main-sidebar {
-    width: 256px;
+    width: 208px;
     background: linear-gradient(180deg, #fafbfc 0%, #f5f7fa 100%);
     color: var(--text-primary);
     display: flex;
@@ -109,7 +109,7 @@ body {
 }
 
 .main-sidebar-header {
-    padding: 16px 20px;
+    padding: 14px 16px;
     border-bottom: 1px solid var(--border-color);
     flex-shrink: 0;
     background: var(--bg-primary);
@@ -163,8 +163,8 @@ body {
 .nav-item-content {
     display: flex;
     align-items: center;
-    gap: 12px;
-    padding: 12px 20px;
+    gap: 10px;
+    padding: 10px 16px;
     cursor: pointer;
     transition: all 0.2s ease;
     color: var(--text-primary);
@@ -7959,7 +7959,7 @@ header {
 
 .dashboard-page .page-header {
     flex-shrink: 0;
-    padding: 18px 24px;
+    padding: 12px 24px;
     border-bottom: 1px solid rgba(0,0,0,0.06);
     background: rgba(255,255,255,0.95);
     backdrop-filter: blur(10px);