adjust color palette

src/components/Footer.astro

@@ -27,9 +27,9 @@ const t = getTranslations(lang);
     margin-bottom: 1rem;
     background: repeating-linear-gradient(
       -45deg,
-      #e96b6b 0 14px,
+      #ef5a6f 0 14px,
       transparent 14px 28px,
-      #7da2ff 28px 42px,
+      #536493 28px 42px,
       transparent 42px 56px
     );
     pointer-events: none;

src/components/Navigation.astro

@@ -42,9 +42,9 @@ const t = getTranslations(lang);
         height: 12px;
         background: repeating-linear-gradient(
             -45deg,
-            #e96b6b 0 14px,
+            #ef5a6f 0 14px,
             transparent 14px 28px,
-            #7da2ff 28px 42px,
+            #536493 28px 42px,
             transparent 42px 56px
         );
         pointer-events: none;

src/layouts/MarkdownPostLayout.astro

@@ -240,6 +240,7 @@ const t = getTranslations(lang);
       "Noto Sans CJK SC",
       "Source Han Sans SC",
       sans-serif;
+    font-weight: 400;
   }
 
   .post-content :global(code),

src/styles/global.css

@@ -34,20 +34,11 @@ article svg[id^="mermaid-"] {
 
 html {
   /* font-family: "Maple Mono", "Maple Mono CN", monospace; */
-  font-family:
-    system-ui,
-    -apple-system,
-    BlinkMacSystemFont,
-    "Segoe UI",
-    Roboto,
-    Oxygen,
-    Ubuntu,
-    Cantarell,
-    "Open Sans",
-    "Helvetica Neue",
-    sans-serif;
-  background-color: #ffffff;
-  color: #1f2328;
+  font-family: 'Noto Serif SC', serif;
+  font-weight: 500;
+  /* background-color: #ffffff; */
+  background-color: #fffbf8;
+  color: #0E2F56;
 }
 
 html {
@@ -74,13 +65,14 @@ body::after {
   /* 按需调整大小 */
   height: 400px;
   /* 按需调整大小 */
-  background-image: url("https://files.seeusercontent.com/2026/03/30/4Xfr/bc7e804dc2c8ecaf407c9d665414ff72.webp");
+  background-image: url("https://files.seeusercontent.com/2026/04/16/1sXb/touhou___kirisame_marisa__2__by_.webp");
   background-repeat: no-repeat;
   background-position: right bottom;
   background-size: contain;
   opacity: 0.35;
   pointer-events: none;
   z-index: -1;
+
 }
 
 html.dark body::after {
@@ -116,7 +108,7 @@ h1 {
 
 
 a {
-  color: #416bd6;
+  color: #3D74B6;
   font-weight: 700;
   text-decoration: none;
 }
@@ -201,8 +193,9 @@ img {
   display: block;
   margin: 0 0 14px 0;
   padding: 0.6rem 1rem;
-  border: 1.5px dashed #aeb8c2;
-  background-color: #f3f5f7;
+  border: 2px dashed #aeb8c2;
+  background-color: #fffefc;
+
 }
 
 .comment-card:last-child {