diff --git a/docs/.vitepress/config.mjs b/docs/.vitepress/config.mjs
index bf57652..f3c4a1d 100644
--- a/docs/.vitepress/config.mjs
+++ b/docs/.vitepress/config.mjs
@@ -6,34 +6,7 @@ export default defineConfig({
   description: 'Easy-Vibe 中文实战课 - 零基础学会用 AI 干实际工作',
   head: [
     ['link', { rel: 'icon', href: '/logo.png' }],
-    ['style', {}, `
-      :root {
-        --vp-sidebar-nav-section-gap: 4px;
-        --vp-sidebar-item-line-height: 16px !important;
-        --vp-sidebar-item-padding-bottom: 0px !important;
-        --vp-sidebar-item-padding-top: 0px !important;
-      }
-      .VPSidebarItem .item,
-      .VPSidebarItem .VPLink,
-      .VPSidebarItem .link,
-      .VPSidebarItem .text {
-        padding-top: 1px !important;
-        padding-bottom: 1px !important;
-        min-height: unset !important;
-        line-height: 1.2 !important;
-        font-size: 13px !important;
-      }
-      .VPSidebarItem.level-0 { padding-bottom: 4px !important; }
-      .VPSidebarItem.level-0 > .item { padding-top: 3px !important; padding-bottom: 3px !important; }
-      .VPSidebarItem.level-0 > .item .text { font-weight: 600 !important; font-size: 14px !important; }
-      .VPSidebarItem.level-1 .item,
-      .VPSidebarItem.level-2 .item,
-      .VPSidebarItem.level-3 .item,
-      .VPSidebarItem.level-4 .item { padding-top: 0px !important; padding-bottom: 0px !important; }
-      .VPSidebarItem .VPLink { display: flex !important; align-items: center !important; min-height: 20px !important; }
-      .VPSidebarGroup { padding-top: 2px !important; padding-bottom: 2px !important; }
-      .VPSidebarItem .indicator { height: 10px !important; width: 3px !important; top: 50% !important; transform: translateY(-50%) !important; }
-    `]
+    ['link', { rel: 'stylesheet', href: '/style.css' }]
   ],
   themeConfig: {
     logo: '/logo.png',
diff --git a/docs/.vitepress/theme/index.js b/docs/.vitepress/theme/index.js
index 6067272..2c7c5e4 100644
--- a/docs/.vitepress/theme/index.js
+++ b/docs/.vitepress/theme/index.js
@@ -4,7 +4,7 @@ import 'viewerjs/dist/viewer.css'
 import TypeIt from 'typeit'
 import { onMounted, watch, nextTick } from 'vue'
 import { useRoute, useData } from 'vitepress'
-import './style.css?v=20260112' // 强制刷新缓存
+import './style.css'
 
 export default {
   extends: DefaultTheme,
diff --git a/docs/.vitepress/theme/style.css b/docs/.vitepress/theme/style.css
index ab27e8a..918fbe0 100644
--- a/docs/.vitepress/theme/style.css
+++ b/docs/.vitepress/theme/style.css
@@ -5,38 +5,53 @@
 
 /* 减少一级标题（如"前端开发"）底部的间距 */
 .VPSidebarItem.level-0 {
-  padding-bottom: 4px;
+  padding-bottom: 4px !important;
 }
 
 /* 减少一级标题文字与下方子菜单的间距 */
 .VPSidebarItem.level-0 > .item {
-  padding-bottom: 2px;
+  padding-bottom: 2px !important;
 }
 
-/* 调整子菜单项之间的间距 */
-.VPSidebarItem.level-1 .item {
-  padding: 2px 0;
+/* 调整子菜单项之间的间距 - 针对所有层级 */
+.VPSidebarItem.level-1 .item,
+.VPSidebarItem.level-2 .item,
+.VPSidebarItem.level-3 .item,
+.VPSidebarItem.level-4 .item {
+  padding-top: 2px !important;
+  padding-bottom: 2px !important;
+  min-height: 24px !important; /* 强制减小最小高度 */
 }
 
 /* 针对可能存在的特定类名进行覆盖，确保紧凑 */
 .VPSidebarGroup {
-  padding-top: 6px;
-  padding-bottom: 6px;
+  padding-top: 6px !important;
+  padding-bottom: 6px !important;
 }
 
 /* 进一步压缩分组标题与第一项之间的间距 */
 .VPSidebarItem.level-0 + .VPSidebarItem.level-1 {
-  margin-top: -2px;
+  margin-top: -2px !important;
 }
 
 /* 压缩分组标题本身的行高 */
 .VPSidebarItem.level-0 .text {
-  line-height: 1.3;
+  line-height: 1.3 !important;
 }
 
 /* 压缩子项的行高 */
-.VPSidebarItem.level-1 .text {
-  line-height: 1.4;
+.VPSidebarItem.level-1 .text,
+.VPSidebarItem.level-2 .text,
+.VPSidebarItem.level-3 .text {
+  line-height: 1.4 !important;
+  padding: 0 !important; /* 移除文字本身的内边距 */
+}
+
+/* 强制链接本身没有额外的边距 */
+.VPSidebarItem .VPLink {
+  padding-top: 2px !important;
+  padding-bottom: 2px !important;
+  min-height: auto !important;
 }
 
 /* 图片高度限制策略：根据长宽比调整最大高度 */