diff --git a/src/components/DynamicMenu.css b/src/components/DynamicMenu.css
index 2810975..897e295 100644
--- a/src/components/DynamicMenu.css
+++ b/src/components/DynamicMenu.css
@@ -78,6 +78,7 @@
 /* 折叠时的样式 */
 .dynamic-menu-wrapper .ant-menu-inline-collapsed {
   width: 100% !important;
+  background: transparent !important;
 }
 
 .dynamic-menu-wrapper .ant-menu-inline-collapsed > .ant-menu-item,
@@ -89,6 +90,13 @@
   display: flex;
   justify-content: center;
   align-items: center;
+  background: transparent !important;
+}
+
+.dynamic-menu-wrapper .ant-menu-inline-collapsed > .ant-menu-item:hover,
+.dynamic-menu-wrapper .ant-menu-inline-collapsed > .ant-menu-submenu > .ant-menu-submenu-title:hover {
+  background: linear-gradient(135deg, rgba(124, 92, 255, 0.08) 0%, rgba(124, 92, 255, 0.05) 100%) !important;
+  border-color: rgba(124, 92, 255, 0.15) !important;
 }
 
 .dynamic-menu-wrapper .ant-menu-inline-collapsed .ant-menu-item-icon {
@@ -100,6 +108,17 @@
   font-size: 22px;
   line-height: 42px;
   margin: 0 !important;
+  color: var(--text) !important;
+}
+
+.dynamic-menu-wrapper .ant-menu-inline-collapsed > .ant-menu-item-selected,
+.dynamic-menu-wrapper .ant-menu-inline-collapsed > .ant-menu-item-selected:hover {
+  background: linear-gradient(135deg, rgba(124, 92, 255, 0.12) 0%, rgba(124, 92, 255, 0.08) 100%) !important;
+  border-color: rgba(124, 92, 255, 0.2) !important;
+}
+
+.dynamic-menu-wrapper .ant-menu-inline-collapsed > .ant-menu-item-selected .anticon {
+  color: var(--accent) !important;
 }
 
 /* 子菜单样式 */
diff --git a/src/darkTheme.css b/src/darkTheme.css
index bf91ddd..7f4e6e1 100644
--- a/src/darkTheme.css
+++ b/src/darkTheme.css
@@ -1,5 +1,64 @@
 /* 深色科技风主题覆盖样式 - 参考 x.ai */
 
+/* Ant Design 深色主题覆盖 */
+.ant-menu {
+  background: transparent !important;
+  color: var(--text) !important;
+}
+
+.ant-menu-item,
+.ant-menu-submenu-title {
+  color: var(--text) !important;
+}
+
+.ant-menu-item:hover,
+.ant-menu-submenu-title:hover {
+  color: var(--text) !important;
+}
+
+.ant-menu-item-selected {
+  color: var(--text) !important;
+}
+
+.ant-menu-item .anticon,
+.ant-menu-submenu-title .anticon {
+  color: var(--text) !important;
+}
+
+/* 折叠菜单深色样式 */
+.ant-menu-inline-collapsed {
+  background: transparent !important;
+}
+
+.ant-menu-inline-collapsed .ant-menu-item {
+  background: transparent !important;
+  color: var(--text) !important;
+}
+
+.ant-menu-inline-collapsed .ant-menu-item .anticon {
+  color: var(--text) !important;
+}
+
+.ant-menu-inline-collapsed .ant-menu-item-selected .anticon {
+  color: var(--accent) !important;
+}
+
+/* Tooltip 深色主题 */
+.ant-tooltip {
+  background: var(--panel-solid) !important;
+}
+
+.ant-tooltip-inner {
+  background: var(--panel-solid) !important;
+  color: var(--text) !important;
+  border: 1px solid var(--border);
+}
+
+.ant-tooltip-arrow::before {
+  background: var(--panel-solid) !important;
+  border: 1px solid var(--border);
+}
+
 /* 容器层级 */
 .container {
   position: relative;