优化字体

整合并添加连字

Author: Linho1219

public/fonts/KaTeX_AllInOne.woff2

@@ -28,25 +28,16 @@ input[type="number"] {
   outline: none;
 }
 
-@font-face {
-  font-family: "KaTeX-Italic";
-  src: url("/fonts/KaTeX_Main-Italic.woff2");
-  unicode-range: U+0041-005A, U+0061-007A;
-}
-
 @font-face {
   font-family: "KaTeX";
-  src: url("/fonts/KaTeX_Main-Widesign.woff2");
-}
-
-@font-face {
-  font-family: "KaTeX-Math";
-  src: url("/fonts/KaTeX_Math-Italic.woff2");
+  src: url("/fonts/KaTeX_AllInOne.woff2");
 }
 
 .styled::part(input),
 .styled {
-  font-family: "KaTeX-Italic", "KaTeX", "KaTeX-Math", "Times new roman";
+  font-family: "KaTeX", "Times new roman";
+  font-variant-ligatures: common-ligatures discretionary-ligatures contextual
+    historical-ligatures;
 }
 
 .monospace,