diff --git a/docs/images/wallhaven-o35exm.jpg b/docs/images/wallhaven-o35exm.jpg
new file mode 100644
index 0000000..8af3047
Binary files /dev/null and b/docs/images/wallhaven-o35exm.jpg differ
diff --git a/docs/stylesheets/background.css b/docs/stylesheets/background.css
new file mode 100644
index 0000000..b2e5141
--- /dev/null
+++ b/docs/stylesheets/background.css
@@ -0,0 +1,26 @@
+/* 背景图 + 模糊 + 透明效果 */
+body::before {
+  content: "";
+  position: fixed;
+  top: 0;
+  left: 0;
+  height: 100%;
+  width: 100%;
+  background-image: url("../images/wallhaven-o35exm.jpg"); /* 替换为你的图片路径 */
+  background-size: cover;
+  background-position: center;
+  background-repeat: no-repeat;
+  filter: blur(8px) brightness(0.8); /* 模糊 + 调暗一点更清晰 */
+  z-index: -2;
+}
+
+/* 主体半透明，让背景透出来 */
+.md-main {
+  background-color: rgba(255, 255, 255, 0.6); /* light mode 半透明白 */
+  backdrop-filter: blur(2px);
+}
+
+[data-md-color-scheme="slate"] .md-main {
+  background-color: rgba(0, 0, 0, 0.3); /* dark mode 半透明黑 */
+  backdrop-filter: blur(2px);
+}
diff --git a/mkdocs.yml b/mkdocs.yml
index c872463..e733a93 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,5 +1,5 @@
-site_name: hugemaker
-site_description: hugemaker
+site_name: 知识总结
+site_description: 知识总结文档
 site_author: hugemaker
 # site_url:  # 请在这里填写您的网站URL
 strict: false
@@ -28,8 +28,8 @@ theme:
         name: 切换到夜间模式
     - media: "(prefers-color-scheme: dark)"
       scheme: slate
-      primary: blue-grey
-      accent: cyan
+      primary: grey       # ← 主色调设为灰色
+      accent: blue-grey   # ← 强调色为蓝灰色
       toggle:
         icon: material/weather-night
         name: 切换到日间模式
@@ -76,4 +76,7 @@ markdown_extensions:
       alternate_style: true
 
 extra_javascript:
-  - https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
\ No newline at end of file
+  - https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
+
+extra_css:
+  - stylesheets/background.css