diff --git a/apps/desktop/src/renderer/features/editor/EditorToolbar.tsx b/apps/desktop/src/renderer/features/editor/EditorToolbar.tsx
index 5e041a9..5e8f420 100644
--- a/apps/desktop/src/renderer/features/editor/EditorToolbar.tsx
+++ b/apps/desktop/src/renderer/features/editor/EditorToolbar.tsx
@@ -11,10 +11,13 @@ function StarButton() {
   return <button onClick={() => toggleStar()} title="星标" style={{ ...btn, color: meta.star ? 'var(--accent)' : 'var(--text-tertiary)', fontSize: 16 }}>{meta.star ? '★' : '☆'}</button>;
 }
 
-const btn: React.CSSProperties = { minWidth: 30, height: 28, border: '1px solid var(--control-border)', background: 'transparent', color: 'var(--text-primary)', cursor: 'pointer', borderRadius: 4, fontSize: 13 };
+const btn: React.CSSProperties = { minWidth: 28, height: 26, border: 'none', background: 'transparent', color: 'var(--text-secondary)', cursor: 'pointer', borderRadius: 4, fontSize: 13 };
 
 function T({ onClick, title, children, disabled }: { onClick: () => void; title: string; children: React.ReactNode; disabled?: boolean }) {
-  return <button style={{ ...btn, opacity: disabled ? 0.4 : 1 }} onClick={onClick} title={title} disabled={disabled}>{children}</button>;
+  return <button style={{ ...btn, opacity: disabled ? 0.35 : 1, padding: '0 6px' }}
+    onMouseEnter={e => { if (!disabled) e.currentTarget.style.background = 'var(--control-border)'; }}
+    onMouseLeave={e => { e.currentTarget.style.background = 'transparent'; }}
+    onClick={onClick} title={title} disabled={disabled}>{children}</button>;
 }
 
 export function EditorToolbar() {
diff --git a/apps/desktop/src/renderer/features/file-tree/FileTree.tsx b/apps/desktop/src/renderer/features/file-tree/FileTree.tsx
index 0905540..ce5825b 100644
--- a/apps/desktop/src/renderer/features/file-tree/FileTree.tsx
+++ b/apps/desktop/src/renderer/features/file-tree/FileTree.tsx
@@ -111,7 +111,7 @@ export function FileTree() {
           onDragOver={e => { if (n.type === 'folder') { e.preventDefault(); setDragOver(n.path); } }}
           onDragLeave={() => setDragOver(null)}
           onDrop={e => n.type === 'folder' && onDrop(e, n.path)}>
-          <span style={{ width: 14 }}>{n.type === 'folder' ? (isCollapsed ? '▶' : '▼') : '📄'}</span>
+          <span style={{ width: 14 }}>{n.type === 'folder' ? (isCollapsed ? '▶' : '▼') : '◉'}</span>
           {isRenaming ? (
             <input autoFocus value={renameVal} onChange={e => setRenameVal(e.target.value)}
               onKeyDown={e => { if (e.key === 'Enter') { setRenaming(null); invoke(IPC.fileRename, { from: n.path, toName: renameVal }).then(r => { useTabs.getState().renamePath(n.path, r.path); syncCurrentPath(n.path, r.path); loadTree(); }); } if (e.key === 'Escape') setRenaming(null); }}
diff --git a/apps/desktop/src/renderer/features/graph/LinkGraph.tsx b/apps/desktop/src/renderer/features/graph/LinkGraph.tsx
index f8c56c6..548a0ef 100644
--- a/apps/desktop/src/renderer/features/graph/LinkGraph.tsx
+++ b/apps/desktop/src/renderer/features/graph/LinkGraph.tsx
@@ -72,7 +72,7 @@ export function LinkGraph({ onSwitchToEditor }: { onSwitchToEditor?: () => void
       .attr('fill', 'var(--bg-secondary)').attr('stroke', (d) => d.color || 'var(--control-border)').attr('stroke-width', 1.5);
     nodeSel.append('rect').attr('x', -CARD_W / 2).attr('y', -CARD_H / 2).attr('width', 4).attr('height', CARD_H).attr('fill', (d) => d.color || '#5db0ff');
     // FR-G1：文档图标
-    nodeSel.append('text').attr('x', -CARD_W / 2 + 12).attr('y', 0).attr('font-size', 12).attr('fill', 'var(--text-tertiary)').text('📄');
+    nodeSel.append('text').attr('x', -CARD_W / 2 + 12).attr('y', 0).attr('font-size', 12).attr('fill', 'var(--text-tertiary)').text('◉');
     // 标题
     nodeSel.append('text').attr('x', -CARD_W / 2 + 28).attr('y', -2).attr('fill', 'var(--text-primary)').attr('font-size', 12).attr('font-family', 'sans-serif')
       .text((d) => truncate(d.title, 14));
diff --git a/apps/desktop/src/renderer/features/shell/Resizer.tsx b/apps/desktop/src/renderer/features/shell/Resizer.tsx
index 2efd573..041ec92 100644
--- a/apps/desktop/src/renderer/features/shell/Resizer.tsx
+++ b/apps/desktop/src/renderer/features/shell/Resizer.tsx
@@ -12,5 +12,11 @@ export function Resizer({ onDrag, side }: { onDrag: (delta: number) => void; sid
     window.addEventListener('mousemove', move);
     window.addEventListener('mouseup', up);
   };
-  return <div onMouseDown={onDown} style={{ width: 5, cursor: 'col-resize', background: 'transparent', flexShrink: 0 }} onMouseEnter={e => (e.currentTarget.style.background = 'var(--accent)')} onMouseLeave={e => (e.currentTarget.style.background = 'transparent')} />;
+  return (
+    <div onMouseDown={onDown} style={{ width: 6, cursor: 'col-resize', background: 'transparent', flexShrink: 0, position: 'relative', display: 'flex', alignItems: 'center', justifyContent: 'center' }}
+      onMouseEnter={e => { e.currentTarget.style.background = 'var(--control-border)'; const h = e.currentTarget.querySelector('div'); if (h) (h as HTMLElement).style.background = 'var(--accent)'; }}
+      onMouseLeave={e => { e.currentTarget.style.background = 'transparent'; const h = e.currentTarget.querySelector('div'); if (h) (h as HTMLElement).style.background = 'var(--text-tertiary)'; }}>
+      <div style={{ width: 2, height: 24, borderRadius: 2, background: 'var(--text-tertiary)', opacity: 0.4, transition: 'all 0.15s' }} />
+    </div>
+  );
 }
\ No newline at end of file
diff --git a/apps/desktop/src/renderer/features/shell/TitleBar.tsx b/apps/desktop/src/renderer/features/shell/TitleBar.tsx
index c752bb7..5ea378f 100644
--- a/apps/desktop/src/renderer/features/shell/TitleBar.tsx
+++ b/apps/desktop/src/renderer/features/shell/TitleBar.tsx
@@ -15,10 +15,10 @@ export function TitleBar({ onToggleView, view, onSettings, onAppearance, onToggl
       <div style={{ padding: '0 12px', color: 'var(--accent-text)', fontWeight: 600, fontSize: 13 }}>狩夜人笔记</div>
       <div style={drag} />
       <button title={"侧边栏开关"} onClick={onToggleSidebar} style={{ ...btn, ...noDrag, fontSize: 14 }}>▤</button>
-      <button title={"外观定制"} onClick={onAppearance} style={{ ...btn, ...noDrag, fontSize: 14 }}>🎨</button>
+      <button title={"外观定制"} onClick={onAppearance} style={{ ...btn, ...noDrag, fontSize: 14 }}>◐</button>
       <div style={{ display: 'flex', alignItems: 'center', gap: 2, padding: '0 6px', ...noDrag }}>
         <button title={"刷新"} onClick={() => loadTree()} style={btn}>↻</button>
-        <button title={"切换 编辑器/图谱"} onClick={onToggleView} style={btn}>{view === 'editor' ? '🕸' : '✎'}</button>
+        <button title={"切换 编辑器/图谱"} onClick={onToggleView} style={btn}>{view === 'editor' ? '◇' : '✎'}</button>
         <button title={tabbarVisible ? '隐藏标签栏' : '显示标签栏'} onClick={onToggleTabbar} style={{ ...btn, fontSize: 14 }} data-testid="tabbar-toggle">{tabbarVisible ? '☰' : '–'}</button>
         <button title={"极简模式"} onClick={onToggleMinimal} style={btn}>{minimal ? '⛶' : '⊡'}</button>
         <button title={"设置"} onClick={onSettings} style={btn}>⚙</button>
@@ -31,4 +31,4 @@ export function TitleBar({ onToggleView, view, onSettings, onAppearance, onToggl
   );
 }
 
-const btn: React.CSSProperties = { width: 36, height: 28, border: 'none', background: 'transparent', color: 'var(--text-secondary)', cursor: 'pointer', fontSize: 12 };
+const btn: React.CSSProperties = { width: 34, height: 28, border: 'none', background: 'transparent', color: 'var(--text-secondary)', cursor: 'pointer', fontSize: 12, borderRadius: 4 };
diff --git a/apps/desktop/src/renderer/features/toolbar/Toolbar.tsx b/apps/desktop/src/renderer/features/toolbar/Toolbar.tsx
index 1f1cffd..78d7786 100644
--- a/apps/desktop/src/renderer/features/toolbar/Toolbar.tsx
+++ b/apps/desktop/src/renderer/features/toolbar/Toolbar.tsx
@@ -50,8 +50,8 @@ export function Toolbar() {
   return (
     <div style={{ padding: '6px 12px', borderBottom: '1px solid var(--control-border)', display: 'flex', gap: 8, background: 'var(--bg-secondary)' }}>
       <button onClick={newDoc} style={btn}>＋ 新建文档</button>
-      <button onClick={newFolder} style={btn}>📁 新建文件夹</button>
-      <button onClick={importFiles} style={btn}>📥 导入</button>
+      <button onClick={newFolder} style={btn}>▣ 新建文件夹</button>
+      <button onClick={importFiles} style={btn}>↓ 导入</button>
       <button onClick={switchVault} style={btn}>⇄ 切换库</button>
       {/* FR-V4：最近库下拉快速切换 */}
       {vault?.recents && vault.recents.length > 1 && (
@@ -74,4 +74,4 @@ export function Toolbar() {
     </div>
   );
 }
-const btn: React.CSSProperties = { padding: '4px 10px', border: '1px solid var(--control-border)', background: 'transparent', color: 'var(--text-primary)', borderRadius: 4, cursor: 'pointer', fontSize: 12 };
\ No newline at end of file
+const btn: React.CSSProperties = { padding: '4px 12px', border: 'none', background: 'transparent', color: 'var(--text-secondary)', borderRadius: 4, cursor: 'pointer', fontSize: 12, transition: 'all 0.15s' };
\ No newline at end of file
diff --git a/apps/desktop/src/renderer/styles.css b/apps/desktop/src/renderer/styles.css
index 4fdbe76..b8b1710 100644
--- a/apps/desktop/src/renderer/styles.css
+++ b/apps/desktop/src/renderer/styles.css
@@ -1,5 +1,12 @@
 * { box-sizing: border-box; }
 html, body, #root { margin: 0; height: 100%; }
+
+/* 自定义滚动条——细+半透明+圆角 */
+::-webkit-scrollbar { width: 6px; height: 6px; }
+::-webkit-scrollbar-track { background: transparent; }
+::-webkit-scrollbar-thumb { background: var(--control-border); border-radius: 3px; }
+::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }
+* { scrollbar-width: thin; scrollbar-color: var(--control-border) transparent; }
 /* Tiptap 编辑器正文 */
 .tiptap-wrap .ProseMirror {
   font-size: var(--editor-font-size, 14px) !important;
@@ -87,10 +94,12 @@ html, body, #root { margin: 0; height: 100%; }
 /* FR-X2：打印/另存为 PDF 干净排版 + 代码语法高亮 */
 @media print {
   body * { visibility: hidden; }
+  ::-webkit-scrollbar { display: none !important; }
+  * { scrollbar-width: none !important; }
   .tiptap-wrap, .tiptap-wrap * { visibility: visible; }
-  .tiptap-wrap { position: absolute; left: 0; top: 0; width: 100%; padding: 20px; }
-  .tiptap-wrap .ProseMirror { font-size: 14px !important; color: #000 !important; }
-  .tiptap-wrap .ProseMirror pre { background: #f4f4f4 !important; color: #333 !important; border: 1px solid #ddd; padding: 8px; border-radius: 4px; overflow: visible; }
+  .tiptap-wrap { position: absolute; left: 0; top: 0; width: 100%; padding: 20px; overflow: visible !important; }
+  .tiptap-wrap .ProseMirror { font-size: 14px !important; color: #000 !important; overflow: visible !important; }
+  .tiptap-wrap .ProseMirror pre { background: #f4f4f4 !important; color: #333 !important; border: 1px solid #ddd; padding: 8px; border-radius: 4px; overflow: visible !important; }
   .tiptap-wrap .ProseMirror pre code { color: #333; }
   .tiptap-wrap .ProseMirror h1, .tiptap-wrap .ProseMirror h2, .tiptap-wrap .ProseMirror h3 { color: #000; }
   .tiptap-wrap .ProseMirror blockquote { border-color: #ccc; color: #555; }