diff --git a/components/post-toc.tsx b/components/post-toc.tsx
index 5baad43..112a52a 100644
--- a/components/post-toc.tsx
+++ b/components/post-toc.tsx
@@ -92,9 +92,9 @@ export function PostToc() {
   if (items.length === 0) return null;
 
   return (
-    <nav className="not-prose sticky top-20 text-xs text-slate-500 dark:text-slate-400">
+    <nav className="not-prose sticky top-20 text-slate-500 dark:text-slate-400">
       <div className="mb-2 inline-flex items-center gap-2 font-semibold text-slate-700 dark:text-slate-200">
-        <FontAwesomeIcon icon={faListUl} className="h-3 w-3 text-slate-400" />
+        <FontAwesomeIcon icon={faListUl} className="h-4 w-4 text-slate-400" />
         目錄
       </div>
       <div className="relative pl-4">
@@ -106,7 +106,7 @@ export function PostToc() {
         />
         <div
           ref={listRef}
-          className="space-y-1"
+          className="space-y-1 text-[0.95rem]"
           role="list"
         >
           {items.map((item) => (