style(font): 移除默认代码字体，改为 Cascadia Mono

2. del: 删除 setting-utils.ts 中的 AUTO_MODE

src/styles/markdown.css

@@ -1,24 +1,30 @@
 .btn-regular-dark {
     @apply bg-gray-800 text-white;
-  }
-  
-  .btn-regular-bg {
+}
+
+.btn-regular-bg {
     @apply bg-gray-100 dark:bg-gray-800;
-  }
-  
-  .btn-plain-bg-hover {
+}
+
+.btn-plain-bg-hover {
     @apply bg-gray-50 dark:bg-gray-700;
-  }
-  
-  .btn-plain-bg-active {
+}
+
+.btn-plain-bg-active {
     @apply bg-gray-200 dark:bg-gray-600;
-  }
+}
+
 .custom-md {
     h1 {
         @apply text-3xl;
     }
 
-    h1, h2, h3, h4, h5, h6 {
+    h1,
+    h2,
+    h3,
+    h4,
+    h5,
+    h6 {
         .anchor {
             @apply transition -m-0.5 ml-[0.2ch] p-0.5 select-none opacity-0 no-underline !important;
 
@@ -35,14 +41,12 @@
     }
 
     a:not(.no-styling) {
-        @apply relative bg-none transition rounded-md p-1 -m-1 font-medium text-[var(--primary)]
-        before:ease-out before:transition active:bg-none hover:before:bg-[var(--btn-plain-bg-hover)] active:before:bg-[var(--btn-plain-bg-active)] z-0
-        before:absolute before:rounded-[inherit] before:inset-0 before:scale-[0.85] hover:before:scale-100 before:-z-10
-        underline decoration-[var(--link-underline)] decoration-1 decoration-dashed underline-offset-4;
+        @apply relative bg-none transition rounded-md p-1 -m-1 font-medium text-[var(--primary)] before:ease-out before:transition active:bg-none hover:before:bg-[var(--btn-plain-bg-hover)] active:before:bg-[var(--btn-plain-bg-active)] z-0 before:absolute before:rounded-[inherit] before:inset-0 before:scale-[0.85] hover:before:scale-100 before:-z-10 underline decoration-[var(--link-underline)] decoration-1 decoration-dashed underline-offset-4;
         box-decoration-break: clone;
         -webkit-box-decoration-break: clone;
-    
-        &:hover, &:active {
+
+        &:hover,
+        &:active {
             @apply decoration-transparent;
             background: var(--btn-plain-bg-hover);
             border-bottom: 1px dashed var(--link-hover);
@@ -53,15 +57,18 @@
     code {
         @apply bg-[var(--inline-code-bg)] text-[var(--inline-code-color)] px-1 py-0.5 rounded-md overflow-hidden;
 
-        font-family: 'JetBrains Mono Variable', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, Courier New, monospace;
+        font-family: 'Cascadia Mono', 'JetBrainsMono-VF', SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, Courier New, monospace;
+
         &:before {
-            content:none;
+            content: none;
         }
+
         &:after {
-            content:none;
+            content: none;
         }
 
         counter-reset: line;
+
         span.line {
             &:before {
                 @apply text-white/25 mr-4 w-4 inline-block;
@@ -69,7 +76,9 @@
                 counter-increment: line;
                 direction: rtl;
             }
-            &:last-child:empty, &:last-child:has(> span:empty:only-child) {
+
+            &:last-child:empty,
+            &:last-child:has(> span:empty:only-child) {
                 display: none;
             }
         }
@@ -79,6 +88,7 @@
         all: initial;
         @apply btn-regular-dark opacity-0 shadow-lg shadow-black/50 absolute active:scale-90 h-8 w-8 top-3 right-3 text-sm rounded-lg transition-all ease-in-out z-20 cursor-pointer;
     }
+
     .frame:hover .copy-btn {
         opacity: 1;
     }
@@ -86,27 +96,33 @@
     .copy-btn-icon {
         @apply absolute top-1/2 left-1/2 transition -translate-x-1/2 -translate-y-1/2 w-4 h-4 fill-white pointer-events-none;
     }
+
     .copy-btn .copy-icon {
         @apply opacity-100 fill-white dark:fill-white/75;
     }
+
     .copy-btn.success .copy-icon {
         @apply opacity-0 fill-[var(--deep-text)]
     }
+
     .copy-btn .success-icon {
         @apply opacity-0 fill-white;
     }
+
     .copy-btn.success .success-icon {
         @apply opacity-100
     }
 
     .expressive-code {
         @apply my-4;
+
         ::selection {
             @apply bg-[var(--codeblock-selection)];
         }
     }
 
-    ul, ol {
+    ul,
+    ol {
         li::marker {
             @apply text-[var(--primary)];
         }
@@ -121,7 +137,8 @@
         }
 
         /* Remove the double quotes from default styles */
-        p:before, p:after {
+        p:before,
+        p:after {
             @apply content-none;
         }