From 0887ff1a04e73d9eba6f06917d2ab53f71413147 Mon Sep 17 00:00:00 2001
From: xiaoqidun <xiaoqidun@gmail.com>
Date: Mon, 24 Aug 2026 09:37:21 +0800
Subject: [PATCH] =?UTF-8?q?feat(=E5=89=8D=E7=AB=AF=E7=95=8C=E9=9D=A2):=20?=
 =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=8D=95=E9=A1=B5=E9=80=82=E9=AB=98=E6=BB=9A?=
 =?UTF-8?q?=E5=8A=A8=E6=9D=A1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 assets/webui/ofdgo.css | 4 ++++
 assets/webui/ofdgo.js  | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/assets/webui/ofdgo.css b/assets/webui/ofdgo.css
index 43bb320..57e5d65 100644
--- a/assets/webui/ofdgo.css
+++ b/assets/webui/ofdgo.css
@@ -401,6 +401,10 @@ body[data-hide-meta] .meta-panel {
 	background-size: 24px 24px;
 }
 
+.viewer-panel.single-page-fits-height {
+	overflow-y: hidden;
+}
+
 .empty-state {
 	position: absolute;
 	inset: 0;
diff --git a/assets/webui/ofdgo.js b/assets/webui/ofdgo.js
index 3297ac2..4966dfb 100644
--- a/assets/webui/ofdgo.js
+++ b/assets/webui/ofdgo.js
@@ -2110,6 +2110,7 @@ function scrollbarWidth() {
 function updateFitSpace() {
 	const page = currentPageInfo();
 	if (!page || state.fitMode === "free") {
+		el.viewerPanel.classList.remove("single-page-fits-height");
 		el.pageFrame.style.removeProperty("--fit-space");
 		el.pageFrame.style.removeProperty("--fit-gap");
 		return;
@@ -2117,6 +2118,7 @@ function updateFitSpace() {
 	const shell = pageShell(state.pageIndex);
 	const height = shell ? shell.getBoundingClientRect().height : Math.max(1, page.height * MM_TO_PX * state.scale);
 	const base = pageSpace();
+	el.viewerPanel.classList.toggle("single-page-fits-height", state.doc.pageCount === 1 && height <= el.viewerPanel.clientHeight - base * 2);
 	const space = Math.max(base, (el.viewerPanel.clientHeight - height) / 2);
 	const gap = space > base ? space + 1 : space;
 	el.pageFrame.style.setProperty("--fit-space", `${space}px`);