style(编辑器): 为行内代码添加样式并移除文本装饰

- 为行内代码添加等宽字体、背景色和圆角样式，提升可读性
- 移除 CodeMirror 特定元素下的文本装饰线，保持界面整洁

src/codemirror/liveMarkdownDecorations.js

@@ -367,6 +367,15 @@ const buildDecorations = (view, filePath) => {
               value: Decoration.mark({ class: 'cm-md-code-info' })
             })
         }
+
+        // 5.3 行内代码 (InlineCode)
+        if (typeName === 'InlineCode') {
+           decorations.push({
+             from: nodeFrom,
+             to: nodeTo,
+             value: Decoration.mark({ class: 'cm-md-monospace' })
+           })
+        }
         
         // 6. 链接 (Link) -> LinkMark, URL, LinkTitle...
         // 结构通常是: Link( [ LinkMark( [ ) ... LinkMark( ] ) LinkMark( ( ) URL ... LinkMark( ) ) ] )

src/components/LivePreviewEditor.vue

@@ -134,6 +134,15 @@ const liveEditorTheme = computed(() => {
       paddingLeft: '4px'
     },
     
+    // 行内代码样式
+    '.cm-md-monospace': {
+      fontFamily: monospaceFont,
+      backgroundColor: 'var(--hover-background)', 
+      padding: '2px 4px',
+      borderRadius: '4px',
+      fontSize: '0.9em'
+    },
+
     // 代码块样式
     '.cm-line.cm-md-fenced-code': {
       fontFamily: monospaceFont,
@@ -284,4 +293,8 @@ onUnmounted(() => {
   overflow: hidden;
   background: var(--card-background);
 }
+
+:deep(.ͼ7) {
+  text-decoration: none;
+}
 </style>