fix: 调整目录偏移量及编辑器滚动定位的高度

src/lib/components/admin/ContentEditor.svelte

@@ -38,7 +38,7 @@
 
 	function trackPreview() {
 		if (!preview || navigatingPreview) return;
-		const top = preview.getBoundingClientRect().top + 24;
+		const top = preview.getBoundingClientRect().top + 120;
 		let active = -1;
 		previewHeadings.forEach((heading, index) => {
 			if (heading.getBoundingClientRect().top <= top) active = index;

src/lib/components/admin/MarkdownEditor.svelte

@@ -74,7 +74,7 @@
 			scrollFrame = 0;
 			if (!view || navigationPending) return;
 			const rect = view.contentDOM.getBoundingClientRect();
-			const top = Math.max(toolbar.getBoundingClientRect().bottom + 12, rect.top + 1);
+			const top = Math.max(toolbar.getBoundingClientRect().bottom + 120, rect.top + 1);
 			if (top >= window.innerHeight || top >= rect.bottom) return;
 			const position = view.posAtCoords({ x: rect.left + 8, y: top }, false);
 			if (position !== null) onPositionChange?.(position);

src/routes/posts/[slug]/+page.svelte

@@ -68,7 +68,7 @@
 					listItemClass: 'toc-list-item',
 					collapseDepth: 0,
 					scrollSmooth: true,
-					headingsOffset: 20
+					headingsOffset: 120
 				});
 
 				if (window.innerWidth < 1200) {