feat(界面设计): 统一缩略图卡片四周视觉边距

assets/webui/ofdgo.css

@@ -3331,7 +3331,7 @@ button.outline-link:hover {
 	gap: 6px;
 	width: 100%;
 	height: auto;
-	padding: 8px;
+	padding: 8px 8px 4px;
 	font-variant-numeric: tabular-nums;
 	text-align: left;
 	transition: border-color 0.16s ease, background-color 0.16s ease;
@@ -3832,7 +3832,7 @@ button.outline-link:hover {
 .thumb-grip {
 	position: absolute;
 	right: 8px;
-	bottom: 8px;
+	bottom: 4px;
 	width: 24px;
 	height: 28px;
 	cursor: grab;

assets/webui/ofdgo_view.js

@@ -1079,13 +1079,13 @@ export function createPageView(context) {
 				if (context.state.pageLayout === 1) {
 					const size = pageView.pageViewSize(context.state.doc.pages[start]);
 					const ratio = size.width > 0 && size.height > 0 ? size.height / size.width : 1 / 0.707;
-					view.heights[start] = Math.max(1, width - 20) * ratio + 70;
+					view.heights[start] = Math.max(1, width - 20) * ratio + 66;
 					offsets[start] = top;
 					top += view.heights[start] + gap;
 					continue;
 				}
 				const group = pageView.pageGroupSize(start), scale = Math.max(1, view.itemWidth - 20) / Math.max(...group.widths);
-				const height = group.height * scale + 70;
+				const height = group.height * scale + 66;
 				for (let column = 0; column < 2; column++) {
 					const index = start + column;
 					if (index >= context.state.doc.pages.length) break;