From 3bdf300ce417d56b928ea3c1b7258103a35f2445 Mon Sep 17 00:00:00 2001
From: yuanxue <yuanxue@bilibili.com>
Date: Mon, 3 Nov 2025 14:14:48 +0800
Subject: [PATCH] Fix: Inherit root font-size in SVG output

---
 src/core/capture.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core/capture.js b/src/core/capture.js
index 5160bc9..aa0f858 100644
--- a/src/core/capture.js
+++ b/src/core/capture.js
@@ -289,7 +289,8 @@ try {
         ? vbH
         : limitDecimals(outH + pad * 2)
 
-      const svgHeader = `<svg xmlns="${svgNS}" width="${svgOutW}" height="${svgOutH}" viewBox="0 0 ${vbW} ${vbH}">`
+      const rootFontSize = parseFloat(getComputedStyle(document.documentElement).fontSize) || 16
+      const svgHeader = `<svg xmlns="${svgNS}" width="${svgOutW}" height="${svgOutH}" viewBox="0 0 ${vbW} ${vbH}" font-size="${rootFontSize}px">`
       const svgFooter = '</svg>'
       svgString = svgHeader + foString + svgFooter
       dataURL = `data:image/svg+xml;charset=utf-8,${encodeURIComponent(svgString)}`