diff --git a/web/src/components/Inbox/MemoCommentMessage.tsx b/web/src/components/Inbox/MemoCommentMessage.tsx
index b18bf9a20..187fe88a5 100644
--- a/web/src/components/Inbox/MemoCommentMessage.tsx
+++ b/web/src/components/Inbox/MemoCommentMessage.tsx
@@ -91,12 +91,13 @@ const MemoCommentMessage = observer(({ notification }: Props) => {
 
   if (!initialized && !hasError) {
     return (
-      <div className="w-full px-4 py-3.5 border-b border-border last:border-b-0 bg-muted/20 animate-pulse">
+      <div className="w-full px-5 py-4 border-b border-border/60 last:border-b-0 bg-muted/10 animate-pulse">
         <div className="flex items-start gap-3">
-          <div className="w-9 h-9 rounded-full bg-muted/60 shrink-0" />
-          <div className="flex-1 space-y-2.5">
-            <div className="h-3.5 bg-muted/60 rounded w-2/5" />
-            <div className="h-16 bg-muted/40 rounded-md" />
+          <div className="w-10 h-10 rounded-full bg-muted/50 shrink-0" />
+          <div className="flex-1 space-y-3">
+            <div className="h-4 bg-muted/50 rounded-md w-2/5" />
+            <div className="h-3 bg-muted/40 rounded-md w-3/4" />
+            <div className="h-20 bg-muted/30 rounded-xl" />
           </div>
         </div>
       </div>
@@ -105,20 +106,20 @@ const MemoCommentMessage = observer(({ notification }: Props) => {
 
   if (hasError) {
     return (
-      <div className="w-full px-4 py-3.5 border-b border-border last:border-b-0 bg-destructive/[0.03]">
+      <div className="w-full px-5 py-4 border-b border-border/60 last:border-b-0 bg-destructive/[0.04] group">
         <div className="flex items-center justify-between">
           <div className="flex items-center gap-3">
-            <div className="w-9 h-9 rounded-full bg-destructive/10 flex items-center justify-center shrink-0">
-              <XIcon className="w-4 h-4 text-destructive" />
+            <div className="w-10 h-10 rounded-full bg-destructive/15 flex items-center justify-center shrink-0 ring-1 ring-destructive/20">
+              <XIcon className="w-5 h-5 text-destructive" strokeWidth={2} />
             </div>
-            <span className="text-sm text-destructive/90">{t("inbox.failed-to-load")}</span>
+            <span className="text-sm text-destructive/80 font-medium">{t("inbox.failed-to-load")}</span>
           </div>
           <button
             onClick={handleDeleteMessage}
-            className="p-1.5 hover:bg-destructive/10 rounded-md transition-colors"
+            className="p-1.5 hover:bg-destructive/15 rounded-lg transition-all duration-150 opacity-0 group-hover:opacity-100"
             title={t("common.delete")}
           >
-            <TrashIcon className="w-3.5 h-3.5 text-destructive/70 hover:text-destructive" />
+            <TrashIcon className="w-4 h-4 text-destructive/70 hover:text-destructive transition-colors" strokeWidth={2} />
           </button>
         </div>
       </div>
@@ -130,71 +131,86 @@ const MemoCommentMessage = observer(({ notification }: Props) => {
   return (
     <div
       className={cn(
-        "w-full px-4 py-3.5 border-b border-border last:border-b-0 transition-colors group relative",
-        isUnread ? "bg-primary/[0.02] hover:bg-primary/[0.04]" : "hover:bg-muted/40",
+        "w-full px-5 py-4 border-b border-border/60 last:border-b-0 transition-all duration-200 group relative",
+        isUnread ? "bg-primary/[0.03] hover:bg-primary/[0.05]" : "hover:bg-muted/30",
       )}
     >
       {/* Unread indicator bar */}
-      {isUnread && <div className="absolute left-0 top-0 bottom-0 w-1 bg-primary" />}
+      {isUnread && <div className="absolute left-0 top-0 bottom-0 w-0.5 bg-gradient-to-b from-primary to-primary/60" />}
 
       <div className="flex items-start gap-3">
         {/* Avatar & Icon */}
-        <div className="relative shrink-0 mt-0.5">
-          <UserAvatar className="w-9 h-9" avatarUrl={sender?.avatarUrl} />
+        <div className="relative shrink-0">
+          <UserAvatar className="w-10 h-10 ring-1 ring-border/40" avatarUrl={sender?.avatarUrl} />
           <div
             className={cn(
-              "absolute -bottom-0.5 -right-0.5 w-[18px] h-[18px] rounded-full border-[2px] border-background flex items-center justify-center shadow-sm",
-              isUnread ? "bg-primary text-primary-foreground" : "bg-muted text-muted-foreground",
+              "absolute -bottom-1 -right-1 w-5 h-5 rounded-full border-2 border-background flex items-center justify-center shadow-md transition-all",
+              isUnread ? "bg-primary text-primary-foreground" : "bg-muted/80 text-muted-foreground",
             )}
           >
-            <MessageCircleIcon className="w-2.5 h-2.5" />
+            <MessageCircleIcon className="w-2.5 h-2.5" strokeWidth={2.5} />
           </div>
         </div>
 
         {/* Content */}
         <div className="flex-1 min-w-0">
           {/* Header */}
-          <div className="flex items-start justify-between gap-2">
-            <div className="flex-1 min-w-0 flex items-baseline gap-1.5 flex-wrap">
-              <span className="font-semibold text-sm text-foreground">{sender?.displayName || sender?.username}</span>
-              <span className="text-sm text-muted-foreground">commented on your memo</span>
-              <span className="text-xs text-muted-foreground/80">
-                · {notification.createTime?.toLocaleDateString([], { month: "short", day: "numeric" })} at{" "}
+          <div className="flex items-center justify-between gap-3 mb-1">
+            <div className="flex items-center gap-1.5 flex-wrap min-w-0">
+              <span className="font-semibold text-sm text-foreground/95">{sender?.displayName || sender?.username}</span>
+              <span className="text-sm text-muted-foreground/80">commented on your memo</span>
+              <span className="text-xs text-muted-foreground/60">
+                {notification.createTime?.toLocaleDateString([], { month: "short", day: "numeric" })} at{" "}
                 {notification.createTime?.toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" })}
               </span>
             </div>
-            <div className="flex items-center gap-0.5 shrink-0">
+            <div className="flex items-center gap-1 shrink-0">
               {isUnread ? (
                 <button
                   onClick={() => handleArchiveMessage()}
-                  className="p-1.5 hover:bg-background/80 rounded-md transition-all opacity-0 group-hover:opacity-100"
+                  className="p-1.5 hover:bg-primary/10 rounded-lg transition-all duration-150 opacity-0 group-hover:opacity-100"
                   title={t("common.archive")}
                 >
-                  <CheckIcon className="w-3.5 h-3.5 text-muted-foreground hover:text-primary" />
+                  <CheckIcon className="w-4 h-4 text-muted-foreground hover:text-primary transition-colors" strokeWidth={2} />
                 </button>
               ) : (
                 <button
                   onClick={handleDeleteMessage}
-                  className="p-1.5 hover:bg-background/80 rounded-md transition-all opacity-0 group-hover:opacity-100"
+                  className="p-1.5 hover:bg-destructive/10 rounded-lg transition-all duration-150 opacity-0 group-hover:opacity-100"
                   title={t("common.delete")}
                 >
-                  <TrashIcon className="w-3.5 h-3.5 text-muted-foreground hover:text-destructive" />
+                  <TrashIcon className="w-4 h-4 text-muted-foreground hover:text-destructive transition-colors" strokeWidth={2} />
                 </button>
               )}
             </div>
           </div>
 
+          {/* Original Memo Snippet */}
+          {relatedMemo && (
+            <div className="pl-3 border-l-2 border-muted-foreground/20 mb-3">
+              <p className="text-sm text-foreground/60 line-clamp-1 leading-relaxed">
+                <span className="text-xs text-muted-foreground/50 font-medium mr-2 uppercase tracking-wide">Original:</span>
+                {relatedMemo.content || <span className="italic text-muted-foreground/40">Empty memo</span>}
+              </p>
+            </div>
+          )}
+
           {/* Comment Preview */}
           {commentMemo && (
             <div
               onClick={handleNavigateToMemo}
-              className="mt-2 p-3 rounded-md bg-muted/40 hover:bg-muted/60 cursor-pointer border border-border/50 hover:border-border transition-all group/comment"
+              className="p-2 sm:p-3 rounded-lg bg-gradient-to-br from-primary/[0.06] to-primary/[0.03] hover:from-primary/[0.1] hover:to-primary/[0.06] cursor-pointer border border-primary/30 hover:border-primary/50 transition-all duration-200 group/comment shadow-sm hover:shadow"
             >
               <div className="flex items-start gap-2">
-                <MessageCircleIcon className="w-3.5 h-3.5 text-muted-foreground/60 shrink-0 mt-0.5" />
-                <p className="text-[13px] text-foreground/90 line-clamp-2 leading-relaxed group-hover/comment:text-foreground transition-colors">
-                  {commentMemo.content || <span className="italic text-muted-foreground">Empty comment</span>}
-                </p>
+                <div className="w-5 h-5 flex items-center justify-center shrink-0">
+                  <MessageCircleIcon className="w-4 h-4 text-primary" />
+                </div>
+                <div className="flex-1 min-w-0">
+                  <p className="text-xs text-primary/60 font-semibold mb-1 uppercase tracking-wider">Comment</p>
+                  <p className="text-sm text-foreground/90 line-clamp-2">
+                    {commentMemo.content || <span className="italic text-muted-foreground/50">Empty comment</span>}
+                  </p>
+                </div>
               </div>
             </div>
           )}
diff --git a/web/src/pages/UserProfile.tsx b/web/src/pages/UserProfile.tsx
index 0a2110ac1..27addd638 100644
--- a/web/src/pages/UserProfile.tsx
+++ b/web/src/pages/UserProfile.tsx
@@ -64,39 +64,47 @@ const UserProfile = observer(() => {
   };
 
   return (
-    <section className="w-full max-w-3xl mx-auto min-h-full flex flex-col justify-start items-center pb-8">
-      <div className="w-full flex flex-col justify-start items-center max-w-2xl">
-        {!loadingState.isLoading &&
-          (user ? (
-            <>
-              <div className="my-4 w-full flex justify-end items-center gap-2">
-                <Button variant="outline" onClick={handleCopyProfileLink}>
+    <section className="w-full min-h-full flex flex-col justify-start items-center">
+      {!loadingState.isLoading &&
+        (user ? (
+          <>
+            {/* User profile header - centered with max width */}
+            <div className="w-full max-w-4xl mx-auto mb-8">
+              <div className="w-full flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 py-6 border-b border-border">
+                <div className="flex items-center gap-4">
+                  <UserAvatar className="w-20! h-20! drop-shadow rounded-full" avatarUrl={user?.avatarUrl} />
+                  <div className="flex flex-col justify-center items-start">
+                    <h1 className="text-2xl sm:text-3xl font-semibold text-foreground">{user.displayName || user.username}</h1>
+                    {user.username && user.displayName && <p className="text-sm text-muted-foreground">@{user.username}</p>}
+                  </div>
+                </div>
+                <Button variant="outline" onClick={handleCopyProfileLink} className="shrink-0">
                   {t("common.share")}
                   <ExternalLinkIcon className="ml-1 w-4 h-auto opacity-60" />
                 </Button>
               </div>
-              <div className="w-full flex flex-col justify-start items-start pt-4 pb-8 px-3">
-                <UserAvatar className="w-16! h-16! drop-shadow rounded-3xl" avatarUrl={user?.avatarUrl} />
-                <div className="mt-2 w-auto max-w-[calc(100%-6rem)] flex flex-col justify-center items-start">
-                  <p className="w-full text-3xl text-foreground leading-tight font-medium opacity-80 truncate">
-                    {user.displayName || user.username}
-                  </p>
-                  <p className="w-full text-muted-foreground leading-snug whitespace-pre-wrap truncate line-clamp-6">{user.description}</p>
+              {user.description && (
+                <div className="py-4">
+                  <p className="text-base text-foreground/80 whitespace-pre-wrap">{user.description}</p>
                 </div>
-              </div>
-              <PagedMemoList
-                renderer={(memo: Memo, context?: MemoRenderContext) => (
-                  <MemoView key={`${memo.name}-${memo.displayTime}`} memo={memo} showVisibility showPinned compact={context?.compact} />
-                )}
-                listSort={listSort}
-                orderBy={orderBy}
-                filter={memoFilter}
-              />
-            </>
-          ) : (
-            <p>Not found</p>
-          ))}
-      </div>
+              )}
+            </div>
+
+            {/* Memo list - full width for proper masonry layout */}
+            <PagedMemoList
+              renderer={(memo: Memo, context?: MemoRenderContext) => (
+                <MemoView key={`${memo.name}-${memo.displayTime}`} memo={memo} showVisibility showPinned compact={context?.compact} />
+              )}
+              listSort={listSort}
+              orderBy={orderBy}
+              filter={memoFilter}
+            />
+          </>
+        ) : (
+          <div className="w-full max-w-3xl mx-auto">
+            <p className="text-center text-muted-foreground mt-8">Not found</p>
+          </div>
+        ))}
     </section>
   );
 });