方正黑体大小太大了，换思源黑体

assets/css/common/header.css

@@ -96,7 +96,7 @@ body:not(.dark) #sun {
     font-family: "stratum2";
     src: url("/stratum2-medium-webfont.ttf");
 }
-@font-face {
+/* @font-face {
     font-family: "fangzhengheiti";
     src: url("/FZHTJW.ttf");
-}
+} */

assets/css/common/post-single.css

@@ -34,6 +34,7 @@
 
 .post-content {
     color: var(--content);
+    font-family: 'Times New Roman', 'Noto Serif SC' !important;
 }
 
 .post-content h3,

assets/css/core/reset.css

@@ -22,7 +22,7 @@ h6 {
 }
 
 body {
-    font-family: 'stratum2', 'fangzhengheiti', /*'Noto Serif SC',*/ -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; 
+    font-family: 'stratum2', 'Open Sans', 'Microsoft Yahei',/*'Noto Serif SC',*/ -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; 
     font-size: 18px;
     line-height: 1.6;
     word-break: break-word;

layouts/partials/css.html

@@ -1,23 +1,26 @@
 
 <style>
-    :root {
+    /* :root {
       --sys-font-family: "Noto Serif SC";
       --zh-font-family: "Noto Serif SC";
       --base-font-family: "Noto Serif SC";
       --code-font-family: "Noto Serif SC";
       --article-font-family: "Noto Serif SC";
-    }
+    } */
   </style>
   
   <script>
     (function () {
-      const customFont = document.createElement("link");
-      customFont.href =
-        "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&display=swap";
-  
-      customFont.type = "text/css";
-      customFont.rel = "stylesheet";
-  
-      document.head.appendChild(customFont);
+      const notoSerifFont = document.createElement("link");
+      notoSerifFont.href = "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&display=swap";
+      notoSerifFont.type = "text/css";
+      notoSerifFont.rel = "stylesheet";
+      document.head.appendChild(notoSerifFont);
+
+      const notoSansFont = document.createElement("link");
+      notoSansFont.href = "https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&&display=swap";
+      notoSansFont.type = "text/css";
+      notoSansFont.rel = "stylesheet";
+      document.head.appendChild(notoSansFont);
     })();
   </script>