update doc

docs/css/extra.css

@@ -54,28 +54,12 @@
     font-weight: bold;
     font-style: normal;
 }
-@font-face{
-    font-family: 'HYZhengYuan';
-    src: local('HYZhengYuan'),
-         url('https://raw.githubusercontent.com/liangjingkanji/liangjingkanji/master/font/HYZhengYuan.ttf') format('truetype');
-    font-display: swap;
-    font-weight: normal;
-    font-style: normal;
-}
-@font-face{
-    font-family: 'HYZhengYuan';
-    src: local('HYZhengYuan-75W'),
-         url('https://raw.githubusercontent.com/liangjingkanji/liangjingkanji/master/font/HYZhengYuan-75W.ttf') format('truetype');
-    font-display: swap;
-    font-weight: bold;
-    font-style: normal;
-}
 * {
     -webkit-font-feature-settings: "liga" on, "calt" on;
     -webkit-font-smoothing: subpixel-antialiased;
     -moz-osx-font-smoothing: auto;
     text-rendering: optimizeLegibility;
-    font-family: "JetBrains Mono", "HYZhengYuan", monospace !important;
+    font-family: "JetBrains Mono", monospace !important;
 }
 
 /*布局*/
@@ -123,6 +107,12 @@ table tr:nth-child(2n), thead {
 }
 
 /*引用*/
+.md-typeset :is(.admonition,details) {
+    font-size: 12px;
+}
+[dir=ltr] .md-typeset blockquote {
+    border-left:none;
+}
 .md-typeset blockquote {
     color: inherit;
     padding: 10px 16px;