diff --git a/src/MiniPdf/DocxReader.cs b/src/MiniPdf/DocxReader.cs
index 0dd00f64..d3b5a6d6 100644
--- a/src/MiniPdf/DocxReader.cs
+++ b/src/MiniPdf/DocxReader.cs
@@ -2414,8 +2414,8 @@ private static string GetRelationshipsPath(string partPath)
         return partPath.Substring(0, slashIndex) + "/_rels/" + partPath.Substring(slashIndex + 1) + ".rels";
     }
 
-    private static byte[]? TryConvertMetafileToPng(byte[] sourceBytes, long widthEmu, long heightEmu,
-        float cropL = 0, float cropT = 0, float cropR = 0, float cropB = 0)
+    internal static byte[]? TryConvertMetafileToPng(byte[] sourceBytes, long widthEmu, long heightEmu,
+        float cropL = 0, float cropT = 0, float cropR = 0, float cropB = 0, int rasterHeight = 512)
     {
         if (!Compat.IsWindows())
             return null;
@@ -2438,7 +2438,7 @@ private static string GetRelationshipsPath(string partPath)
                     ? (double)widthEmu / heightEmu
                     : (meta.Width > 0 && meta.Height > 0 ? (double)meta.Width / meta.Height : 1.0);
 
-            var targetHeight = 512;
+            var targetHeight = rasterHeight;
             var targetWidth = (int)Math.Round(targetHeight * aspect);
             targetWidth = Compat.Clamp(targetWidth, 32, 4096);
             targetHeight = Compat.Clamp(targetHeight, 32, 4096);
diff --git a/src/MiniPdf/ExcelReader.cs b/src/MiniPdf/ExcelReader.cs
index bf434011..c53d2bd5 100644
--- a/src/MiniPdf/ExcelReader.cs
+++ b/src/MiniPdf/ExcelReader.cs
@@ -53,7 +53,7 @@ internal static List<ExcelSheet> ReadSheets(Stream stream, System.Globalization.
         var borders = ReadBorders(archive, themeColors);
         var numberFormats = ReadNumberFormats(archive);
         var dxfStyles = ReadDxfStyles(archive, themeColors);
-        var (cellXfFontIndices, cellXfFillIndices, cellXfNumFmtIds, cellXfAlignments, cellXfVerticalAlignments, cellXfBorderIndices, cellXfWrapTexts, cellXfIndents) = ReadCellXfStyles(archive);
+        var (cellXfFontIndices, cellXfFillIndices, cellXfNumFmtIds, cellXfAlignments, cellXfVerticalAlignments, cellXfTextRotations, cellXfBorderIndices, cellXfWrapTexts, cellXfIndents) = ReadCellXfStyles(archive);
 
         // Read workbook to get sheet names and order
         var (sheetInfos, printAreas, printTitleRows) = ReadWorkbook(archive);
@@ -79,7 +79,7 @@ internal static List<ExcelSheet> ReadSheets(Stream stream, System.Globalization.
             if (entry == null) continue;
 
             var hyperlinks = ReadWorksheetHyperlinks(archive, entry.FullName);
-            var rows = ReadSheet(entry, sharedStrings, boldPrefixLengths, fontStyles, fillColors, borders, numberFormats, cellXfFontIndices, cellXfFillIndices, cellXfNumFmtIds, cellXfAlignments, cellXfVerticalAlignments, cellXfBorderIndices, cellXfWrapTexts, cellXfIndents, hyperlinks, culture);
+            var rows = ReadSheet(entry, sharedStrings, boldPrefixLengths, fontStyles, fillColors, borders, numberFormats, cellXfFontIndices, cellXfFillIndices, cellXfNumFmtIds, cellXfAlignments, cellXfVerticalAlignments, cellXfTextRotations, cellXfBorderIndices, cellXfWrapTexts, cellXfIndents, hyperlinks, culture);
             var images = ReadSheetImages(archive, entry.FullName);
             var drawingShapes = ReadSheetShapes(archive, entry.FullName, themeColors);
             var (colWidths, defaultColWidth) = ReadColumnWidths(entry);
@@ -96,7 +96,7 @@ internal static List<ExcelSheet> ReadSheets(Stream stream, System.Globalization.
             var hasPrintArea = printAreas.TryGetValue(currentIndex, out var printArea);
             var hasPrintTitleRows = printTitleRows.TryGetValue(currentIndex, out var printTitleRow);
             ApplyTableStyleFormatting(archive, entry.FullName, rows, dxfStyles);
-            sheets.Add(new ExcelSheet(info.Name, rows, images, colWidths, defaultColWidth, mergedCells: mergedCells, shapes: drawingShapes, rowHeights: rowHeights, defaultRowHeight: defaultRowHeight, customHeightRows: customHeightRows, isLandscape: pageSetup.IsLandscape, printScale: pageSetup.Scale, paperSize: ignoreInferredFitToPage && pageSetup.PaperSize == 1 ? 9 : pageSetup.PaperSize, printArea: hasPrintArea ? printArea : null, marginLeftPt: pageSetup.MarginLeftPt, marginRightPt: pageSetup.MarginRightPt, marginTopPt: pageSetup.MarginTopPt, marginBottomPt: pageSetup.MarginBottomPt, fitToPage: ignoreInferredFitToPage ? false : pageSetup.FitToPage, fitToWidth: ignoreInferredFitToPage ? 0 : pageSetup.FitToWidth, fitToHeight: ignoreInferredFitToPage ? 0 : pageSetup.FitToHeight, horizontalCentered: pageSetup.HorizontalCentered, printTitleRows: hasPrintTitleRows ? printTitleRow : null, rowBreaks: rowBreaks, oddFooter: pageSetup.OddFooter, footerMarginPt: pageSetup.FooterMarginPt, maxDigitWidthPx: maxDigitWidthPx));
+            sheets.Add(new ExcelSheet(info.Name, rows, images, colWidths, defaultColWidth, mergedCells: mergedCells, shapes: drawingShapes, rowHeights: rowHeights, defaultRowHeight: defaultRowHeight, customHeightRows: customHeightRows, isLandscape: pageSetup.IsLandscape, printScale: pageSetup.Scale, paperSize: ignoreInferredFitToPage && pageSetup.PaperSize == 1 ? 9 : pageSetup.PaperSize, printArea: hasPrintArea ? printArea : null, marginLeftPt: pageSetup.MarginLeftPt, marginRightPt: pageSetup.MarginRightPt, marginTopPt: pageSetup.MarginTopPt, marginBottomPt: pageSetup.MarginBottomPt, fitToPage: ignoreInferredFitToPage ? false : pageSetup.FitToPage, fitToWidth: ignoreInferredFitToPage ? 0 : pageSetup.FitToWidth, fitToHeight: ignoreInferredFitToPage ? 0 : pageSetup.FitToHeight, horizontalCentered: pageSetup.HorizontalCentered, verticalCentered: pageSetup.VerticalCentered, printTitleRows: hasPrintTitleRows ? printTitleRow : null, rowBreaks: rowBreaks, oddFooter: pageSetup.OddFooter, footerMarginPt: pageSetup.FooterMarginPt, maxDigitWidthPx: maxDigitWidthPx));
             sheetEntries.Add(entry);
             sheetEntryPaths.Add(entry.FullName);
         }
@@ -108,14 +108,14 @@ internal static List<ExcelSheet> ReadSheets(Stream stream, System.Globalization.
             if (entry != null)
             {
                 var hyperlinks = ReadWorksheetHyperlinks(archive, entry.FullName);
-                var rows = ReadSheet(entry, sharedStrings, boldPrefixLengths, fontStyles, fillColors, borders, numberFormats, cellXfFontIndices, cellXfFillIndices, cellXfNumFmtIds, cellXfAlignments, cellXfVerticalAlignments, cellXfBorderIndices, cellXfWrapTexts, cellXfIndents, hyperlinks, culture);
+                var rows = ReadSheet(entry, sharedStrings, boldPrefixLengths, fontStyles, fillColors, borders, numberFormats, cellXfFontIndices, cellXfFillIndices, cellXfNumFmtIds, cellXfAlignments, cellXfVerticalAlignments, cellXfTextRotations, cellXfBorderIndices, cellXfWrapTexts, cellXfIndents, hyperlinks, culture);
                 var images = ReadSheetImages(archive, entry.FullName);
                 var (colWidths, defaultColWidth) = ReadColumnWidths(entry);
                 var mergedCells = ReadMergedCells(entry);
                 var (rowHeights, defaultRowHeight, customHeightRows) = ReadRowHeights(entry);
                 var pageSetup = ReadPageSetup(entry);
                 var ignoreInferredFitToPage = pageSetup.FitToPageInferred && rows.Count >= 1000 && colWidths.Count == 0 && defaultColWidth <= 0f;
-                sheets.Add(new ExcelSheet("Sheet1", rows, images, colWidths, defaultColWidth, mergedCells: mergedCells, rowHeights: rowHeights, defaultRowHeight: defaultRowHeight, customHeightRows: customHeightRows, isLandscape: pageSetup.IsLandscape, printScale: pageSetup.Scale, paperSize: ignoreInferredFitToPage && pageSetup.PaperSize == 1 ? 9 : pageSetup.PaperSize, marginLeftPt: pageSetup.MarginLeftPt, marginRightPt: pageSetup.MarginRightPt, marginTopPt: pageSetup.MarginTopPt, marginBottomPt: pageSetup.MarginBottomPt, fitToPage: ignoreInferredFitToPage ? false : pageSetup.FitToPage, fitToWidth: ignoreInferredFitToPage ? 0 : pageSetup.FitToWidth, fitToHeight: ignoreInferredFitToPage ? 0 : pageSetup.FitToHeight, horizontalCentered: pageSetup.HorizontalCentered, maxDigitWidthPx: maxDigitWidthPx));
+                sheets.Add(new ExcelSheet("Sheet1", rows, images, colWidths, defaultColWidth, mergedCells: mergedCells, rowHeights: rowHeights, defaultRowHeight: defaultRowHeight, customHeightRows: customHeightRows, isLandscape: pageSetup.IsLandscape, printScale: pageSetup.Scale, paperSize: ignoreInferredFitToPage && pageSetup.PaperSize == 1 ? 9 : pageSetup.PaperSize, marginLeftPt: pageSetup.MarginLeftPt, marginRightPt: pageSetup.MarginRightPt, marginTopPt: pageSetup.MarginTopPt, marginBottomPt: pageSetup.MarginBottomPt, fitToPage: ignoreInferredFitToPage ? false : pageSetup.FitToPage, fitToWidth: ignoreInferredFitToPage ? 0 : pageSetup.FitToWidth, fitToHeight: ignoreInferredFitToPage ? 0 : pageSetup.FitToHeight, horizontalCentered: pageSetup.HorizontalCentered, verticalCentered: pageSetup.VerticalCentered, maxDigitWidthPx: maxDigitWidthPx));
                 sheetEntryPaths.Add(entry.FullName);
             }
         }
@@ -814,18 +814,19 @@ private static bool ColorsMatch(PdfColor? a, PdfColor? b)
     /// Reads cellXf style entries from styles.xml.
     /// Returns (fontIndices, fillIndices, numFmtIds) parallel lists.
     /// </summary>
-    private static (List<int> FontIndices, List<int> FillIndices, List<int> NumFmtIds, List<string> Alignments, List<string> VerticalAlignments, List<int> BorderIndices, List<bool> WrapTexts, List<int> Indents) ReadCellXfStyles(ZipArchive archive)
+    private static (List<int> FontIndices, List<int> FillIndices, List<int> NumFmtIds, List<string> Alignments, List<string> VerticalAlignments, List<int> TextRotations, List<int> BorderIndices, List<bool> WrapTexts, List<int> Indents) ReadCellXfStyles(ZipArchive archive)
     {
         var fontIndices = new List<int>();
         var fillIndices = new List<int>();
         var numFmtIds = new List<int>();
         var alignments = new List<string>();
         var verticalAlignments = new List<string>();
+        var textRotations = new List<int>();
         var borderIndices = new List<int>();
         var wrapTexts = new List<bool>();
         var indents = new List<int>();
         var entry = archive.GetEntry("xl/styles.xml");
-        if (entry == null) return (fontIndices, fillIndices, numFmtIds, alignments, verticalAlignments, borderIndices, wrapTexts, indents);
+        if (entry == null) return (fontIndices, fillIndices, numFmtIds, alignments, verticalAlignments, textRotations, borderIndices, wrapTexts, indents);
 
         using var stream = entry.Open();
         var doc = XDocument.Load(stream);
@@ -833,7 +834,7 @@ private static (List<int> FontIndices, List<int> FillIndices, List<int> NumFmtId
 
         // Read <cellXfs> -> <xf> elements
         var cellXfs = doc.Descendants(ns + "cellXfs").FirstOrDefault();
-        if (cellXfs == null) return (fontIndices, fillIndices, numFmtIds, alignments, verticalAlignments, borderIndices, wrapTexts, indents);
+        if (cellXfs == null) return (fontIndices, fillIndices, numFmtIds, alignments, verticalAlignments, textRotations, borderIndices, wrapTexts, indents);
 
         foreach (var xf in cellXfs.Elements(ns + "xf"))
         {
@@ -849,20 +850,24 @@ private static (List<int> FontIndices, List<int> FillIndices, List<int> NumFmtId
             var alignment = xf.Element(ns + "alignment")?.Attribute("horizontal")?.Value ?? "general";
             alignments.Add(alignment);
 
-            var verticalAlignment = xf.Element(ns + "alignment")?.Attribute("vertical")?.Value ?? "bottom";
+            var alignmentElement = xf.Element(ns + "alignment");
+            var verticalAlignment = alignmentElement?.Attribute("vertical")?.Value ?? "bottom";
             verticalAlignments.Add(verticalAlignment);
 
+            var textRotationAttr = alignmentElement?.Attribute("textRotation")?.Value;
+            textRotations.Add(int.TryParse(textRotationAttr, out var textRotation) ? textRotation : 0);
+
             var borderId = xf.Attribute("borderId")?.Value;
             borderIndices.Add(int.TryParse(borderId, out var bid) ? bid : 0);
 
-            var wrapTextAttr = xf.Element(ns + "alignment")?.Attribute("wrapText")?.Value;
+            var wrapTextAttr = alignmentElement?.Attribute("wrapText")?.Value;
             wrapTexts.Add(wrapTextAttr == "1" || string.Equals(wrapTextAttr, "true", StringComparison.OrdinalIgnoreCase));
 
-            var indentAttr = xf.Element(ns + "alignment")?.Attribute("indent")?.Value;
+            var indentAttr = alignmentElement?.Attribute("indent")?.Value;
             indents.Add(int.TryParse(indentAttr, out var ind) ? ind : 0);
         }
 
-        return (fontIndices, fillIndices, numFmtIds, alignments, verticalAlignments, borderIndices, wrapTexts, indents);
+        return (fontIndices, fillIndices, numFmtIds, alignments, verticalAlignments, textRotations, borderIndices, wrapTexts, indents);
     }
 
     /// <summary>
@@ -1811,7 +1816,7 @@ private static FontStyleInfo ResolveFontStyle(int styleIndex, List<FontStyleInfo
 
     private static List<List<ExcelCell>> ReadSheet(ZipArchiveEntry entry, List<string> sharedStrings, Dictionary<int, int> boldPrefixLengths,
         List<FontStyleInfo> fontStyles, List<PdfColor?> fillColors, List<CellBorderInfo?> borders, Dictionary<int, string> numberFormats,
-        List<int> cellXfFontIndices, List<int> cellXfFillIndices, List<int> cellXfNumFmtIds, List<string> cellXfAlignments, List<string> cellXfVerticalAlignments, List<int> cellXfBorderIndices, List<bool> cellXfWrapTexts, List<int> cellXfIndents,
+        List<int> cellXfFontIndices, List<int> cellXfFillIndices, List<int> cellXfNumFmtIds, List<string> cellXfAlignments, List<string> cellXfVerticalAlignments, List<int> cellXfTextRotations, List<int> cellXfBorderIndices, List<bool> cellXfWrapTexts, List<int> cellXfIndents,
         Dictionary<string, string>? hyperlinks = null, System.Globalization.CultureInfo? culture = null)
     {
         var rows = new List<List<ExcelCell>>();
@@ -1950,6 +1955,7 @@ private static List<List<ExcelCell>> ReadSheet(ZipArchiveEntry entry, List<strin
                 int numFmtId = 0;
                 var cellAlignment = "general";
                 var cellVerticalAlignment = "bottom";
+                var cellTextRotation = 0;
                 float fontSize = 11f;
                 bool bold = false;
                 bool italic = false;
@@ -1977,6 +1983,8 @@ private static List<List<ExcelCell>> ReadSheet(ZipArchiveEntry entry, List<strin
                         cellAlignment = cellXfAlignments[styleIndex];
                     if (styleIndex >= 0 && styleIndex < cellXfVerticalAlignments.Count)
                         cellVerticalAlignment = cellXfVerticalAlignments[styleIndex];
+                    if (styleIndex >= 0 && styleIndex < cellXfTextRotations.Count)
+                        cellTextRotation = cellXfTextRotations[styleIndex];
                     if (styleIndex >= 0 && styleIndex < cellXfWrapTexts.Count)
                         wrapText = cellXfWrapTexts[styleIndex];
                     if (styleIndex >= 0 && styleIndex < cellXfIndents.Count)
@@ -2061,7 +2069,7 @@ private static List<List<ExcelCell>> ReadSheet(ZipArchiveEntry entry, List<strin
                 text = NormalizeCellText(text);
                 string? link = null;
                 hyperlinks?.TryGetValue(normalizedRef, out link);
-                cells.Add(new ExcelCell(text, color, fillColor, cellAlignment, fontSize, bold, italic, underline, strikethrough, border, cellVerticalAlignment, wrapText, acctPrefix, fontName, cellIndent, cellBoldPrefixLen, link));
+                cells.Add(new ExcelCell(text, color, fillColor, cellAlignment, fontSize, bold, italic, underline, strikethrough, border, cellVerticalAlignment, wrapText, acctPrefix, fontName, cellIndent, cellBoldPrefixLen, link, cellTextRotation));
                 lastColIndex = colIndex + 1;
             }
 
@@ -3186,12 +3194,14 @@ static float ParseInchesAttr(XElement el, string attr)
             fitToHeight = 0;
         }
 
-        // Read printOptions (horizontalCentered)
+        // Read printOptions centering flags.
         var horizontalCentered = false;
+        var verticalCentered = false;
         var printOptions = doc.Descendants(ns + "printOptions").FirstOrDefault();
         if (printOptions != null)
         {
             horizontalCentered = printOptions.Attribute("horizontalCentered")?.Value == "1";
+            verticalCentered = printOptions.Attribute("verticalCentered")?.Value == "1";
         }
 
         // Read headerFooter — oddFooter / oddHeader
@@ -3204,13 +3214,13 @@ static float ParseInchesAttr(XElement el, string attr)
             oddHeader = headerFooter.Element(ns + "oddHeader")?.Value;
         }
 
-        return new PageSetupInfo(isLandscape, scale, paperSize, marginLeft, marginRight, marginTop, marginBottom, fitToPage, fitToWidth, fitToHeight, fitToPageInferred, horizontalCentered, oddFooter, oddHeader, footerMargin);
+        return new PageSetupInfo(isLandscape, scale, paperSize, marginLeft, marginRight, marginTop, marginBottom, fitToPage, fitToWidth, fitToHeight, fitToPageInferred, horizontalCentered, verticalCentered, oddFooter, oddHeader, footerMargin);
     }
 
     internal record PageSetupInfo(
         bool IsLandscape, int Scale, int PaperSize,
         float MarginLeftPt, float MarginRightPt, float MarginTopPt, float MarginBottomPt,
-        bool FitToPage, int FitToWidth, int FitToHeight, bool FitToPageInferred = false, bool HorizontalCentered = false,
+        bool FitToPage, int FitToWidth, int FitToHeight, bool FitToPageInferred = false, bool HorizontalCentered = false, bool VerticalCentered = false,
         string? OddFooter = null, string? OddHeader = null, float FooterMarginPt = -1);
 
     /// <summary>
@@ -3338,7 +3348,7 @@ private static (int row, int col) ParseCellRef(string cellRef)
     /// </summary>
     private static List<ExcelEmbeddedImage> ReadSheetImages(ZipArchive archive, string worksheetPath)
     {
-        var images = new List<ExcelEmbeddedImage>();
+        var images = ReadLegacyDrawingImages(archive, worksheetPath);
 
         // Step 1: Find the sheet relationships file to locate the drawing
         var sheetRelsPath = GetRelationshipPartPath(worksheetPath);
@@ -3612,6 +3622,154 @@ static bool IsRasterImagePath(string path)
         return images;
     }
 
+    private static List<ExcelEmbeddedImage> ReadLegacyDrawingImages(ZipArchive archive, string worksheetPath)
+    {
+        var images = new List<ExcelEmbeddedImage>();
+        var sheetRelsEntry = archive.GetEntry(GetRelationshipPartPath(worksheetPath));
+        if (sheetRelsEntry == null) return images;
+
+        string? vmlPath = null;
+        using (var relsStream = sheetRelsEntry.Open())
+        {
+            var relsDoc = XDocument.Load(relsStream);
+            var relationship = relsDoc.Descendants().FirstOrDefault(element =>
+                element.Attribute("Type")?.Value.EndsWith("/vmlDrawing", StringComparison.OrdinalIgnoreCase) == true);
+            var target = relationship?.Attribute("Target")?.Value;
+            if (!string.IsNullOrEmpty(target))
+                vmlPath = ResolveRelationshipTarget(GetPartDirectory(worksheetPath), target);
+        }
+
+        if (vmlPath == null) return images;
+        var vmlEntry = archive.GetEntry(vmlPath);
+        var vmlRelsEntry = archive.GetEntry(GetRelationshipPartPath(vmlPath));
+        if (vmlEntry == null || vmlRelsEntry == null) return images;
+
+        var relationshipTargets = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        using (var relsStream = vmlRelsEntry.Open())
+        {
+            var relsDoc = XDocument.Load(relsStream);
+            foreach (var relationship in relsDoc.Descendants())
+            {
+                var id = relationship.Attribute("Id")?.Value;
+                var target = relationship.Attribute("Target")?.Value;
+                if (!string.IsNullOrEmpty(id) && !string.IsNullOrEmpty(target))
+                    relationshipTargets[id] = ResolveRelationshipTarget(GetPartDirectory(vmlPath), target);
+            }
+        }
+
+        using var vmlStream = vmlEntry.Open();
+        var vmlDoc = XDocument.Load(vmlStream);
+        var v = XNamespace.Get("urn:schemas-microsoft-com:vml");
+        var o = XNamespace.Get("urn:schemas-microsoft-com:office:office");
+        var x = XNamespace.Get("urn:schemas-microsoft-com:office:excel");
+
+        foreach (var shape in vmlDoc.Descendants(v + "shape"))
+        {
+            var clientData = shape.Element(x + "ClientData");
+            if (!string.Equals(clientData?.Attribute("ObjectType")?.Value, "Pict", StringComparison.OrdinalIgnoreCase))
+                continue;
+
+            var imageData = shape.Element(v + "imagedata");
+            var relationshipId = imageData?.Attribute(o + "relid")?.Value;
+            var anchor = ParseVmlAnchor(clientData?.Element(x + "Anchor")?.Value);
+            if (string.IsNullOrEmpty(relationshipId) || anchor == null ||
+                !relationshipTargets.TryGetValue(relationshipId, out var mediaPath))
+                continue;
+
+            var mediaEntry = archive.GetEntry(mediaPath);
+            if (mediaEntry == null) continue;
+            byte[] data;
+            using (var output = new MemoryStream())
+            {
+                using var input = mediaEntry.Open();
+                input.CopyTo(output);
+                data = output.ToArray();
+            }
+
+            var style = shape.Attribute("style")?.Value ?? "";
+            var leftPt = ReadVmlStylePoints(style, "margin-left");
+            var topPt = ReadVmlStylePoints(style, "margin-top");
+            var widthPt = ReadVmlStylePoints(style, "width");
+            var heightPt = ReadVmlStylePoints(style, "height");
+            if (leftPt == null || topPt == null || widthPt is not > 0 || heightPt is not > 0)
+                continue;
+
+            var widthEmu = (long)Math.Round(widthPt.Value * 12700f);
+            var heightEmu = (long)Math.Round(heightPt.Value * 12700f);
+            var extension = Path.GetExtension(mediaPath).TrimStart('.').ToLowerInvariant();
+            if (extension is "emf" or "wmf")
+            {
+                var cropLeft = ReadVmlCrop(imageData?.Attribute("cropleft")?.Value);
+                var cropTop = ReadVmlCrop(imageData?.Attribute("croptop")?.Value);
+                var cropRight = ReadVmlCrop(imageData?.Attribute("cropright")?.Value);
+                var cropBottom = ReadVmlCrop(imageData?.Attribute("cropbottom")?.Value);
+                var visibleHeightFraction = Math.Max(0.01f, 1f - cropTop - cropBottom);
+                var rasterHeight = (int)Math.Ceiling(heightPt.Value * 300f / 72f / visibleHeightFraction);
+                var converted = DocxReader.TryConvertMetafileToPng(data, widthEmu, heightEmu,
+                    cropLeft, cropTop, cropRight, cropBottom, rasterHeight);
+                if (converted == null) continue;
+                data = converted;
+                extension = "png";
+            }
+
+            images.Add(new ExcelEmbeddedImage(
+                AnchorRow: anchor.Value.FromRow,
+                AnchorCol: anchor.Value.FromCol,
+                SpanRows: Math.Max(1, anchor.Value.ToRow - anchor.Value.FromRow),
+                SpanCols: Math.Max(1, anchor.Value.ToCol - anchor.Value.FromCol),
+                Data: data,
+                Extension: extension,
+                WidthEmu: widthEmu,
+                HeightEmu: heightEmu,
+                AbsoluteLeftPt: leftPt,
+                AbsoluteTopPt: topPt,
+                VmlFromColOffset: anchor.Value.FromColOffset / 1024f,
+                VmlFromRowOffset: anchor.Value.FromRowOffset / 256f,
+                VmlToColOffset: anchor.Value.ToColOffset / 1024f,
+                VmlToRowOffset: anchor.Value.ToRowOffset / 256f));
+        }
+
+        return images;
+    }
+
+    private static (int FromCol, int FromColOffset, int FromRow, int FromRowOffset,
+        int ToCol, int ToColOffset, int ToRow, int ToRowOffset)? ParseVmlAnchor(string? value)
+    {
+        if (string.IsNullOrWhiteSpace(value)) return null;
+        var values = value.Split(',')
+            .Select(part => int.TryParse(part.Trim(), out var parsed) ? (int?)parsed : null)
+            .ToArray();
+        if (values.Length != 8 || values.Any(item => item == null)) return null;
+        return (values[0]!.Value, values[1]!.Value, values[2]!.Value, values[3]!.Value,
+            values[4]!.Value, values[5]!.Value, values[6]!.Value, values[7]!.Value);
+    }
+
+    private static float? ReadVmlStylePoints(string style, string property)
+    {
+        foreach (var declaration in style.Split(';'))
+        {
+            var parts = declaration.Split(':', 2);
+            if (parts.Length != 2 || !string.Equals(parts[0].Trim(), property, StringComparison.OrdinalIgnoreCase))
+                continue;
+            var value = parts[1].Trim();
+            if (!value.EndsWith("pt", StringComparison.OrdinalIgnoreCase)) return null;
+            if (float.TryParse(value[..^2], System.Globalization.NumberStyles.Float,
+                System.Globalization.CultureInfo.InvariantCulture, out var points))
+                return points;
+        }
+        return null;
+    }
+
+    private static float ReadVmlCrop(string? value)
+    {
+        if (string.IsNullOrWhiteSpace(value) || !value.EndsWith("f", StringComparison.OrdinalIgnoreCase))
+            return 0f;
+        return float.TryParse(value[..^1], System.Globalization.NumberStyles.Float,
+            System.Globalization.CultureInfo.InvariantCulture, out var fixedPoint)
+            ? Compat.Clamp(fixedPoint / 65536f, 0f, 1f)
+            : 0f;
+    }
+
     /// <summary>
     /// Reads decorative shape elements (rectangles, rounded rectangles) from a worksheet's drawing.
     /// </summary>
@@ -4476,7 +4634,8 @@ internal sealed record ExcelCell(
     string? FontName = null,
     int Indent = 0,
     int BoldPrefixLength = 0,
-    string? Link = null
+    string? Link = null,
+    int TextRotation = 0
 );
 
 /// <summary>
@@ -4513,7 +4672,13 @@ internal sealed record ExcelEmbeddedImage(
     long ToColOffEmu = 0,    // sub-cell X offset within the "to" column (EMU)
     long ToRowOffEmu = 0,    // sub-cell Y offset within the "to" row (EMU)
     long OffsetXEmu = 0,     // additional X offset from anchor (for grouped images)
-    long OffsetYEmu = 0      // additional Y offset from anchor (for grouped images)
+    long OffsetYEmu = 0,     // additional Y offset from anchor (for grouped images)
+    float? AbsoluteLeftPt = null,
+    float? AbsoluteTopPt = null,
+    float? VmlFromColOffset = null,
+    float? VmlFromRowOffset = null,
+    float? VmlToColOffset = null,
+    float? VmlToRowOffset = null
 );
 
 /// <summary>
@@ -4606,6 +4771,8 @@ internal sealed class ExcelSheet
     public int FitToHeight { get; }
     /// <summary>Whether to center content horizontally on the page.</summary>
     public bool HorizontalCentered { get; }
+    /// <summary>Whether to center content vertically on each printed page.</summary>
+    public bool VerticalCentered { get; }
     /// <summary>Row range to repeat at the top of each printed page (startRow, endRow) 0-based, or null.</summary>
     public (int StartRow, int EndRow)? PrintTitleRows { get; }
     /// <summary>Set of 0-based row indices where a manual page break occurs (break BEFORE this row).</summary>
@@ -4660,6 +4827,7 @@ internal ExcelSheet(string name, List<List<ExcelCell>> rows,
         bool fitToPage = false,
         int fitToWidth = 1, int fitToHeight = 1,
         bool horizontalCentered = false,
+        bool verticalCentered = false,
         (int StartRow, int EndRow)? printTitleRows = null,
         HashSet<int>? rowBreaks = null,
         string? oddFooter = null,
@@ -4689,6 +4857,7 @@ internal ExcelSheet(string name, List<List<ExcelCell>> rows,
         FitToWidth = fitToWidth;
         FitToHeight = fitToHeight;
         HorizontalCentered = horizontalCentered;
+        VerticalCentered = verticalCentered;
         PrintTitleRows = printTitleRows;
         RowBreaks = rowBreaks ?? new HashSet<int>();
         OddFooter = oddFooter;
diff --git a/src/MiniPdf/ExcelToPdfConverter.cs b/src/MiniPdf/ExcelToPdfConverter.cs
index 03ef57cc..fd55ee23 100644
--- a/src/MiniPdf/ExcelToPdfConverter.cs
+++ b/src/MiniPdf/ExcelToPdfConverter.cs
@@ -493,6 +493,7 @@ private static void RenderSheet(PdfDocument doc, ExcelSheet sheet, ConversionOpt
     {
         // Skip only if there's truly nothing to render (no rows AND no images).
         if (sheet.Rows.Count == 0 && sheet.Images.Count == 0 && sheet.Charts.Count == 0) return;
+        var firstSheetPage = doc.Pages.Count;
 
         // Apply sheet page setup: paper size, orientation, margins, and print scale
         // Determine base page dimensions from paper size
@@ -577,6 +578,7 @@ private static void RenderSheet(PdfDocument doc, ExcelSheet sheet, ConversionOpt
                     fitToWidth: sheet.FitToWidth,
                     fitToHeight: sheet.FitToHeight,
                     horizontalCentered: sheet.HorizontalCentered,
+                    verticalCentered: sheet.VerticalCentered,
                     printArea: sheet.PrintArea,
                     printTitleRows: sheet.PrintTitleRows,
                     rowBreaks: sheet.RowBreaks,
@@ -627,7 +629,7 @@ private static void RenderSheet(PdfDocument doc, ExcelSheet sheet, ConversionOpt
                                 marginLeftPt: sheet.MarginLeftPt, marginRightPt: sheet.MarginRightPt,
                                 marginTopPt: sheet.MarginTopPt, marginBottomPt: sheet.MarginBottomPt,
                                 fitToPage: sheet.FitToPage, fitToWidth: sheet.FitToWidth, fitToHeight: sheet.FitToHeight,
-                                horizontalCentered: sheet.HorizontalCentered, printArea: sheet.PrintArea,
+                                horizontalCentered: sheet.HorizontalCentered, verticalCentered: sheet.VerticalCentered, printArea: sheet.PrintArea,
                                 printTitleRows: sheet.PrintTitleRows, rowBreaks: sheet.RowBreaks,
                                 oddFooter: sheet.OddFooter, footerMarginPt: sheet.FooterMarginPt,
                                 maxDigitWidthPx: sheet.MaxDigitWidthPx);
@@ -833,6 +835,7 @@ private static void RenderSheet(PdfDocument doc, ExcelSheet sheet, ConversionOpt
                 fitToWidth: sheet.FitToWidth,
                 fitToHeight: sheet.FitToHeight,
                 horizontalCentered: sheet.HorizontalCentered,
+                verticalCentered: sheet.VerticalCentered,
                 rowBreaks: trimmedRowBreaks,
                 printTitleRows: trimmedPrintTitleRows,
                 oddFooter: sheet.OddFooter, footerMarginPt: sheet.FooterMarginPt,
@@ -990,6 +993,12 @@ private static void RenderSheet(PdfDocument doc, ExcelSheet sheet, ConversionOpt
                 colWidths, 0f);
         }
 
+        if (sheet.VerticalCentered)
+        {
+            for (var pageIndex = firstSheetPage; pageIndex < doc.Pages.Count; pageIndex++)
+                doc.Pages[pageIndex].CenterContentVertically(options.MarginBottom, pageHeight - options.MarginTop);
+        }
+
         // Note: trailing empty page logic disabled — it was previously intended to
         // match LibreOffice behavior but caused extra pages in multi-sheet workbooks.
     }
@@ -1304,6 +1313,109 @@ static float TextBaselineY(string verticalAlignment, float topY, float height, f
             return topY - height + descent - ascentCompensation + lineHeight * (lineCount - 1);
         }
 
+        void RenderVerticalMergeContinuations(int startRow)
+        {
+            if (currentPage == null) return;
+
+            foreach (var (mergeStartRow, startCol, endRow, endCol) in sheet.MergedCells)
+            {
+                if (mergeStartRow >= startRow || endRow < startRow)
+                    continue;
+
+                var columnIndex = Array.IndexOf(columns, startCol);
+                if (columnIndex < 0 || mergeStartRow >= sheet.Rows.Count || startCol >= sheet.Rows[mergeStartRow].Count)
+                    continue;
+
+                var originRow = sheet.Rows[mergeStartRow];
+                var cell = originRow[startCol];
+                var x = colXStarts[columnIndex];
+                var width = colWidths[columnIndex];
+                for (var i = columnIndex + 1; i < columns.Length && columns[i] <= endCol; i++)
+                    width += colWidths[i] + columnPadding;
+
+                var consumedHeight = 0f;
+                for (var rowIndex = mergeStartRow; rowIndex < startRow && rowIndex < sheet.Rows.Count; rowIndex++)
+                    consumedHeight += ScaledRowHeightAt(rowIndex);
+
+                var remainingHeight = 0f;
+                for (var rowIndex = startRow; rowIndex <= endRow && rowIndex < sheet.Rows.Count; rowIndex++)
+                    remainingHeight += ScaledRowHeightAt(rowIndex);
+                if (remainingHeight <= 0f) continue;
+
+                var virtualTop = currentY + consumedHeight;
+                var height = consumedHeight + remainingHeight;
+                var segmentBottom = currentY - remainingHeight;
+
+                if (cell.FillColor is { } fillColor)
+                    currentPage.AddRectangle(x, segmentBottom, width, remainingHeight, fillColor);
+
+                var border = EffectiveBorderForCell(originRow, mergeStartRow, startCol, cell.Border);
+                if (border != null)
+                {
+                    var borderColor = new PdfColor(0f, 0f, 0f);
+                    void AddBorder(BorderSide? side, float x1, float y1, float x2, float y2)
+                    {
+                        if (side is not { Style: not "none" and not "" }) return;
+                        var borderWidth = Math.Max(0.08f, BorderStyleWidth(side.Style) * borderScaleFactor);
+                        currentPage.AddLine(x1, y1, x2, y2, side.Color ?? borderColor,
+                            borderWidth, BorderDashPattern(side.Style, borderWidth));
+                    }
+
+                    AddBorder(border.Left, x, currentY, x, segmentBottom);
+                    AddBorder(border.Right, x + width, currentY, x + width, segmentBottom);
+                    AddBorder(border.Bottom, x, segmentBottom, x + width, segmentBottom);
+                }
+
+                if (string.IsNullOrEmpty(cell.Text)) continue;
+
+                var fontSize = cell.FontSize * printScaleFactor;
+                var availableWidth = Math.Max(1f, width - 2f * cellTextInset);
+                string[] lines;
+                if (cell.TextRotation == 255)
+                    lines = cell.Text.Select(character => character.ToString()).ToArray();
+                else if (cell.Text.Contains('\n'))
+                    lines = cell.Text.Split('\n');
+                else if (cell.WrapText)
+                    lines = WrapCellText(cell.Text, availableWidth, fontSize, cell.FontName, cell.BoldPrefixLength);
+                else
+                    lines = new[] { cell.Text };
+
+                var cellLineHeight = cell.TextRotation == 255 ? fontSize * 1.213f : lineHeight;
+                var textBlockHeight = fontSize + cellLineHeight * (lines.Length - 1);
+                var descent = options.FontSize * 0.31f;
+                var ascentCompensation = fontSize > options.FontSize
+                    ? (fontSize - options.FontSize) * 0.1f
+                    : 0f;
+                var textY = TextBaselineY(cell.VerticalAlignment, virtualTop, height, textBlockHeight,
+                    fontSize, descent, ascentCompensation, lines.Length, lineHeight);
+                var isBold = ShouldUsePdfBold(cell.Bold, fontSize, cell.FontName);
+                foreach (var line in lines)
+                {
+                    var intersectsSegment = textY + fontSize >= segmentBottom && textY - fontSize <= currentY;
+                    if (!string.IsNullOrEmpty(line) && intersectsSegment)
+                    {
+                        var textX = x + cellTextInset;
+                        if (cell.Alignment == "center")
+                        {
+                            var textWidth = (float)MeasureHelveticaWidth(line, fontSize, bold: isBold);
+                            textX = x + (width - textWidth) / 2f;
+                        }
+                        else if (cell.Alignment == "right")
+                        {
+                            var textWidth = (float)MeasureHelveticaWidth(line, fontSize, bold: isBold);
+                            textX = x + width - cellTextInset - textWidth;
+                        }
+
+                        AddExcelText(currentPage, line, textX, textY, fontSize, cell.Color,
+                            maxWidth: availableWidth, bold: isBold,
+                            underline: cell.Underline, strikethrough: cell.Strikethrough,
+                            preferredFontName: cell.FontName);
+                    }
+                    textY -= cellLineHeight;
+                }
+            }
+        }
+
         // Helper: render print title rows at the current page position.
         // Returns the total height consumed by the title rows.
         float RenderPrintTitleRows()
@@ -1336,7 +1448,14 @@ float RenderPrintTitleRows()
                         var cellFs = titleRow[col].FontSize * printScaleFactor;
                         if (fitToPageScale < 1f) cellFs *= fitToPageScale;
 
-                        if (cellText.Contains('\n'))
+                        if (titleRow[col].TextRotation == 255)
+                        {
+                            titleCellLines[i] = cellText.Select(character => character.ToString()).ToArray();
+                            titleClipWidths[i] = Math.Max(1f, colWidths[i] - 2f * cellTextInset);
+                            titleMaxLines = Math.Max(titleMaxLines, titleCellLines[i].Length);
+                            continue;
+                        }
+                        else if (cellText.Contains('\n'))
                         {
                             titleCellLines[i] = cellText.Split('\n');
                             titleClipWidths[i] = Math.Max(1f, colWidths[i] - 2f * cellTextInset);
@@ -1490,7 +1609,8 @@ float RenderPrintTitleRows()
 
                     // Text
                     var descent = options.FontSize * 0.31f;
-                    var textBlock = cellFs + lineHeight * (titleCellLines[i].Length - 1);
+                    var cellLineHeight = cell?.TextRotation == 255 ? cellFs * 1.213f : lineHeight;
+                    var textBlock = cellFs + cellLineHeight * (titleCellLines[i].Length - 1);
                     var cellY = TextBaselineY(vertAlign, currentY, titleCellHeight, textBlock,
                         cellFs, descent, 0f, titleCellLines[i].Length, lineHeight);
 
@@ -1539,7 +1659,7 @@ float RenderPrintTitleRows()
                                 strikethrough: cell?.Strikethrough ?? false,
                                 preferredFontName: cell?.FontName);
                         }
-                        cellY -= lineHeight;
+                        cellY -= cellLineHeight;
                     }
 
                     x += colWidths[i] + columnPadding;
@@ -1632,6 +1752,7 @@ float RenderPrintTitleRows()
                 // Render print title rows on the new page
                 if (printTitleStart >= 0 && (excelRowIndex < printTitleStart || excelRowIndex > printTitleEnd))
                     RenderPrintTitleRows();
+                RenderVerticalMergeContinuations(excelRowIndex);
             }
 
             // Determine this row's effective height
@@ -1662,6 +1783,7 @@ float RenderPrintTitleRows()
             {
                 var emptyH = hasExplicitHeight ? explicitRowHeight : lineHeight;
                 currentY -= emptyH;
+                currentPage!.IncludeWorksheetVerticalRange(rowTopY[excelRowIndex], currentY);
                 excelRowIndex++;
                 continue;
             }
@@ -1695,7 +1817,11 @@ float RenderPrintTitleRows()
 
                         // Handle explicit newlines in cell text (e.g., Alt+Enter in Excel).
                         // Otherwise write full text as a single line.
-                        if (cellText.Contains('\n'))
+                        if (row[col].TextRotation == 255)
+                        {
+                            cellLines[i] = cellText.Select(character => character.ToString()).ToArray();
+                        }
+                        else if (cellText.Contains('\n'))
                         {
                             cellLines[i] = cellText.Split('\n');
                         }
@@ -1881,6 +2007,7 @@ float RenderPrintTitleRows()
                 // Render print title rows on the new page (skip if current row is within the title range)
                 if (printTitleStart >= 0 && (excelRowIndex < printTitleStart || excelRowIndex > printTitleEnd))
                     RenderPrintTitleRows();
+                RenderVerticalMergeContinuations(excelRowIndex);
                 // Update the row's top position on the new page
                 rowTopY[excelRowIndex] = currentY;
                 rowPage[excelRowIndex] = currentPage;
@@ -1964,7 +2091,9 @@ float RenderPrintTitleRows()
                     }
 
                     linesRendered += linesToRender;
+                    var batchTopY = currentY;
                     currentY -= linesToRender * lineHeight;
+                    currentPage!.IncludeWorksheetVerticalRange(batchTopY, currentY);
 
                     if (linesRendered < maxLinesInRow)
                     {
@@ -2036,7 +2165,8 @@ float RenderPrintTitleRows()
                 // Only the merge origin cell renders the fill covering the full merged area.
                 var isInsideMerge = mergeInterior.Contains((excelRowIndex, col));
                 var cellHeight = isInsideMerge ? rowHeight : MergedHeightForCell(excelRowIndex, col, rowHeight);
-                var textBlock = cellFontSize + lineHeight * (lines.Length - 1);
+                var cellLineHeight = cell?.TextRotation == 255 ? cellFontSize * 1.213f : lineHeight;
+                var textBlock = cellFontSize + cellLineHeight * (lines.Length - 1);
                 cellY = TextBaselineY(verticalAlignment, currentY, cellHeight, textBlock,
                     cellFontSize, descent, ascentCompensation, lines.Length, lineHeight);
 
@@ -2111,10 +2241,25 @@ float RenderPrintTitleRows()
                         cellWidth += colWidths[mc] + columnPadding;
                 }
 
+                (float X, float Y, float Width, float Height)? mergedPageClip = null;
+                if (mergeEndRow.TryGetValue((excelRowIndex, col), out var textEndRow) && textEndRow > excelRowIndex)
+                {
+                    var visibleHeight = 0f;
+                    for (var mergedRow = excelRowIndex; mergedRow <= textEndRow && mergedRow < sheet.Rows.Count; mergedRow++)
+                    {
+                        var mergedRowHeight = ScaledRowHeightAt(mergedRow);
+                        if (visibleHeight > 0f && currentY - visibleHeight - mergedRowHeight < options.MarginBottom)
+                            break;
+                        visibleHeight += mergedRowHeight;
+                    }
+                    mergedPageClip = (x, currentY - visibleHeight, cellWidth, visibleHeight);
+                }
+
                 // Render accounting prefix (e.g., " $") left-aligned for accounting format cells.
                 if (cell?.AccountingPrefix != null && lines.Length > 0 && !string.IsNullOrEmpty(lines[0]))
                 {
                     currentPage!.AddText(cell.AccountingPrefix, x + cellTextInset, cellY, cellFontSize, color,
+                        clipRect: mergedPageClip,
                         maxWidth: cellClipWidth[i],
                         bold: ShouldUsePdfBold(cell.Bold, cellFontSize, cell.FontName),
                         underline: false,
@@ -2183,6 +2328,7 @@ float RenderPrintTitleRows()
                             var boldWidth = (float)MeasureFontWidth(boldPart, cellFontSize, bold: true, cell?.FontName);
 
                             AddExcelText(currentPage!, boldPart, textX, cellY, cellFontSize, color,
+                                clipRect: mergedPageClip,
                                 maxWidth: boldWidth,
                                 bold: true,
                                 underline: cell?.Underline ?? false,
@@ -2194,6 +2340,7 @@ float RenderPrintTitleRows()
                                 var normalX = textX + boldWidth + spaceGap;
                                 var normalMax = lineMaxWidth > 0 ? lineMaxWidth - boldWidth - spaceGap : 0f;
                                 AddExcelText(currentPage!, normalPart, normalX, cellY, cellFontSize, color,
+                                    clipRect: mergedPageClip,
                                     maxWidth: normalMax > 0 ? normalMax : 0f,
                                     bold: false,
                                     underline: cell?.Underline ?? false,
@@ -2205,6 +2352,7 @@ float RenderPrintTitleRows()
                         else
                         {
                             AddExcelText(currentPage!, lines[lineIdx], textX, cellY, cellFontSize, color,
+                                clipRect: mergedPageClip,
                                 maxWidth: lineMaxWidth,
                                 bold: isBold,
                                 underline: cell?.Underline ?? false,
@@ -2217,13 +2365,14 @@ float RenderPrintTitleRows()
                         // Empty line still consumes bold prefix chars (newline splits)
                         boldPrefixRemaining = Math.Max(0, boldPrefixRemaining - 1);
                     }
-                    cellY -= lineHeight;
+                    cellY -= cellLineHeight;
                 }
 
                 x += colWidths[i] + columnPadding;
             }
 
             currentY -= rowHeight;
+            currentPage!.IncludeWorksheetVerticalRange(rowTopY[excelRowIndex], currentY);
             }
 
             // Accumulate virtual overflow height but don't emit pages yet.
@@ -2369,6 +2518,9 @@ float RenderPrintTitleRows()
             {
                 imgPage = currentPage!;
             }
+            var isLegacyVmlImage = img.VmlFromRowOffset != null;
+            if (isLegacyVmlImage)
+                imgPage.MarkLegacyVmlImage();
 
             // Calculate X: find position of anchor column within group
             var colGroupIdx = Array.IndexOf(columns, img.AnchorCol);
@@ -2379,14 +2531,27 @@ float RenderPrintTitleRows()
             }
             var imgX = colXStarts[colGroupIdx];
 
+            if (img.AbsoluteLeftPt is { } absoluteLeftPt)
+                imgX = options.MarginLeft + absoluteLeftPt * drawingScale;
+
             // Apply sub-cell column offset (fromColOff) — shift image right within anchor column
-            var fromColOffPt = Math.Min(img.FromColOffEmu * drawingEmuToPt, colWidths[colGroupIdx]);
+            var fromColOffPt = img.VmlFromColOffset is { } vmlFromColOffset
+                ? colWidths[colGroupIdx] * vmlFromColOffset
+                : Math.Min(img.FromColOffEmu * drawingEmuToPt, colWidths[colGroupIdx]);
             imgX += fromColOffPt;
 
             // Apply sub-cell row offset (fromRowOff) — shift image down within anchor row
-            var fromRowOffPt = img.FromRowOffEmu * drawingEmuToPt;
+            var fromRowOffPt = img.VmlFromRowOffset is { } vmlFromRowOffset
+                ? ScaledRowHeightAt(img.AnchorRow) * vmlFromRowOffset
+                : img.FromRowOffEmu * drawingEmuToPt;
             imgTopY -= fromRowOffPt;
 
+            if (img.VmlFromRowOffset == null && img.AbsoluteTopPt is { } absoluteTopPt)
+                imgTopY = pageHeight - options.MarginTop - absoluteTopPt * drawingScale;
+            else if (isLegacyVmlImage && sheet.VerticalCentered)
+                imgTopY -= imgPage.GetWorksheetVerticalCenterOffset(options.MarginBottom,
+                    pageHeight - options.MarginTop);
+
             // Apply group-relative offset (for images inside grouped shapes)
             imgX += img.OffsetXEmu * drawingEmuToPt;
             imgTopY -= img.OffsetYEmu * drawingEmuToPt;
@@ -2415,6 +2580,10 @@ float RenderPrintTitleRows()
                     var toColOffPt = Math.Min(img.ToColOffEmu * drawingEmuToPt, colWidths[toColGroupIdx]);
                     imgRenderWidth += toColOffPt + columnPadding;
                 }
+                else if (toColGroupIdx < columns.Length && img.VmlToColOffset is { } vmlToColOffset)
+                {
+                    imgRenderWidth += colWidths[toColGroupIdx] * vmlToColOffset + columnPadding;
+                }
                 imgRenderWidth  = Math.Max(imgRenderWidth, 1f);
 
                 // Height: sum actual row heights for the spanned rows
@@ -2427,7 +2596,9 @@ float RenderPrintTitleRows()
                 }
                 // Adjust for sub-cell row offsets
                 imgRenderHeight -= fromRowOffPt;
-                imgRenderHeight += img.ToRowOffEmu * drawingEmuToPt;
+                imgRenderHeight += img.VmlToRowOffset is { } vmlToRowOffset
+                    ? ScaledRowHeightAt(img.AnchorRow + img.SpanRows) * vmlToRowOffset
+                    : img.ToRowOffEmu * drawingEmuToPt;
                 imgRenderHeight = Math.Max(imgRenderHeight, 1f);
             }
 
@@ -4256,7 +4427,7 @@ private static float[] CalculateNaturalColumnWidths(ExcelSheet sheet, int maxCol
                 // columns using the default/fallback width.
                 // Do not cap explicit widths — LibreOffice honours the author's
                 // column widths as-is, so the column-grouping boundary matches.
-                var floor = hasExplicitWidth ? 0f : minColWidth;
+                var floor = hasExplicitWidth || sheet.DefaultColumnWidth > 0f ? 0f : minColWidth;
                 widths[i] = hasExplicitWidth
                     ? Math.Max(excelPts, 0f)
                     : Compat.Clamp(excelPts, floor, maxColWidth);
diff --git a/src/MiniPdf/PdfPage.cs b/src/MiniPdf/PdfPage.cs
index 84588b45..6b9b26b8 100644
--- a/src/MiniPdf/PdfPage.cs
+++ b/src/MiniPdf/PdfPage.cs
@@ -94,6 +94,9 @@ internal sealed class PdfPage
     private readonly List<PdfRectBlock> _overlayRects = [];
     private readonly List<PdfLineBlock> _overlayLines = [];
     private readonly List<PdfTextBlock> _overlayTexts = [];
+    private float? _worksheetContentTop;
+    private float? _worksheetContentBottom;
+    private bool _hasLegacyVmlImage;
 
     /// <summary>
     /// Page width in points.
@@ -270,6 +273,82 @@ internal PdfPage AddOverlayText(string text, float x, float y, float fontSize =
         return this;
     }
 
+    internal void CenterContentVertically(float printableBottom, float printableTop)
+    {
+        var bounds = new List<(float Bottom, float Top)>();
+        bounds.AddRange(_textBlocks.Where(block => !block.Hidden)
+            .Select(block => (block.Y - block.FontSize * 0.3f, block.Y + block.FontSize)));
+        bounds.AddRange(_imageBlocks.Select(block => (block.Y, block.Y + block.RenderHeight)));
+        bounds.AddRange(_rectBlocks.Select(block => (block.Y, block.Y + block.Height)));
+        bounds.AddRange(_ellipseBlocks.Select(block => (block.Y, block.Y + block.Height)));
+        bounds.AddRange(_polygonBlocks.Select(block =>
+            (block.Points.Min(point => point.Y), block.Points.Max(point => point.Y))));
+        bounds.AddRange(_lineBlocks.Select(block =>
+            (Math.Min(block.Y1, block.Y2), Math.Max(block.Y1, block.Y2))));
+        if (bounds.Count == 0)
+            return;
+
+        var contentBottom = bounds.Min(bound => bound.Bottom);
+        var contentTop = bounds.Max(bound => bound.Top);
+        var printableHeight = printableTop - printableBottom;
+        var contentHeight = contentTop - contentBottom;
+        if (contentHeight >= printableHeight && !_hasLegacyVmlImage
+            && _worksheetContentTop is { } worksheetTop
+            && _worksheetContentBottom is { } worksheetBottom)
+        {
+            contentTop = worksheetTop;
+            contentBottom = worksheetBottom;
+            contentHeight = contentTop - contentBottom;
+        }
+        if (contentHeight >= printableHeight)
+            return;
+
+        var offset = (printableBottom + printableTop - contentBottom - contentTop) / 2f;
+        if (Math.Abs(offset) < 0.01f)
+            return;
+
+        for (var i = 0; i < _textBlocks.Count; i++)
+            _textBlocks[i] = _textBlocks[i].TranslateY(offset);
+        for (var i = 0; i < _imageBlocks.Count; i++)
+            _imageBlocks[i] = _imageBlocks[i] with { Y = _imageBlocks[i].Y + offset };
+        for (var i = 0; i < _rectBlocks.Count; i++)
+            _rectBlocks[i] = _rectBlocks[i] with { Y = _rectBlocks[i].Y + offset };
+        for (var i = 0; i < _ellipseBlocks.Count; i++)
+            _ellipseBlocks[i] = _ellipseBlocks[i] with { Y = _ellipseBlocks[i].Y + offset };
+        for (var i = 0; i < _polygonBlocks.Count; i++)
+            _polygonBlocks[i] = _polygonBlocks[i] with
+            {
+                Points = _polygonBlocks[i].Points.Select(point => point with { Y = point.Y + offset }).ToList(),
+                Subpaths = _polygonBlocks[i].Subpaths?.Select(path =>
+                    path.Select(point => point with { Y = point.Y + offset }).ToList()).ToList()
+            };
+        for (var i = 0; i < _lineBlocks.Count; i++)
+            _lineBlocks[i] = _lineBlocks[i] with
+            {
+                Y1 = _lineBlocks[i].Y1 + offset,
+                Y2 = _lineBlocks[i].Y2 + offset
+            };
+    }
+
+    internal void IncludeWorksheetVerticalRange(float top, float bottom)
+    {
+        _worksheetContentTop = _worksheetContentTop is { } existingTop
+            ? Math.Max(existingTop, top)
+            : top;
+        _worksheetContentBottom = _worksheetContentBottom is { } existingBottom
+            ? Math.Min(existingBottom, bottom)
+            : bottom;
+    }
+
+    internal float GetWorksheetVerticalCenterOffset(float printableBottom, float printableTop)
+    {
+        if (_worksheetContentTop is not { } contentTop || _worksheetContentBottom is not { } contentBottom)
+            return 0f;
+        return Math.Max(0f, (printableTop - printableBottom - (contentTop - contentBottom)) / 2f);
+    }
+
+    internal void MarkLegacyVmlImage() => _hasLegacyVmlImage = true;
+
     /// <summary>
     /// Adds text that automatically wraps within the specified region.
     /// Text flows from top to bottom, left to right within the given bounds.
diff --git a/src/MiniPdf/PdfTextBlock.cs b/src/MiniPdf/PdfTextBlock.cs
index e40d5247..f7ba5aa4 100644
--- a/src/MiniPdf/PdfTextBlock.cs
+++ b/src/MiniPdf/PdfTextBlock.cs
@@ -115,4 +115,13 @@ internal PdfTextBlock(string text, float x, float y, float fontSize, PdfColor? c
         UnderlineWidth = underlineWidth;
         Hidden = hidden;
     }
+
+    internal PdfTextBlock TranslateY(float offset)
+    {
+        var clipRect = ClipRect is { } clip
+            ? (clip.X, clip.Y + offset, clip.Width, clip.Height)
+            : ((float, float, float, float)?)null;
+        return new PdfTextBlock(Text, X, Y + offset, FontSize, Color, clipRect, MaxWidth, Bold, Italic,
+            Underline, CharSpacing, WordSpacing, PreferredFontName, UnderlineWidth, Strikethrough, Hidden);
+    }
 }
diff --git a/src/MiniPdf/PdfWriter.cs b/src/MiniPdf/PdfWriter.cs
index 98f5ffee..2f3291a0 100644
--- a/src/MiniPdf/PdfWriter.cs
+++ b/src/MiniPdf/PdfWriter.cs
@@ -2321,6 +2321,10 @@ private static string NormalizeFontName(string? name)
         if (name.Contains("宋体", StringComparison.Ordinal)
             || name.Contains("simsun", StringComparison.OrdinalIgnoreCase))
             return "simsun";
+        if (name.Contains("华文楷体", StringComparison.Ordinal)
+            || name.Contains("華文楷體", StringComparison.Ordinal)
+            || name.Contains("stkaiti", StringComparison.OrdinalIgnoreCase))
+            return "stkaiti";
         if (name.Contains("楷体", StringComparison.Ordinal)
             || name.Contains("楷體", StringComparison.Ordinal)
             || name.Contains("kaiti", StringComparison.OrdinalIgnoreCase)
diff --git a/tests/Issue_Files/reference_xlsx/Issue202609031340.pdf b/tests/Issue_Files/reference_xlsx/Issue202609031340.pdf
new file mode 100644
index 00000000..648ca2b4
Binary files /dev/null and b/tests/Issue_Files/reference_xlsx/Issue202609031340.pdf differ
diff --git a/tests/Issue_Files/reports_xlsx/comparison_manifest.json b/tests/Issue_Files/reports_xlsx/comparison_manifest.json
index 79764e72..931d8bec 100644
--- a/tests/Issue_Files/reports_xlsx/comparison_manifest.json
+++ b/tests/Issue_Files/reports_xlsx/comparison_manifest.json
@@ -1,114 +1,119 @@
-{
-  "cases": [
-    {
-      "name": "Academic Achievement Summary Table",
-      "case_id": "Academic Achievement Summary Table",
-      "format": "xlsx"
-    },
-    {
-      "name": "AcademicAchievement_temp",
-      "case_id": "AcademicAchievement_temp",
-      "format": "xlsx"
-    },
-    {
-      "name": "Business expense budget1",
-      "case_id": "Business expense budget1",
-      "format": "xlsx"
-    },
-    {
-      "name": "Business expenses budget2",
-      "case_id": "Business expenses budget2",
-      "format": "xlsx"
-    },
-    {
-      "name": "Business plan checklist with SWOT analysis1",
-      "case_id": "Business plan checklist with SWOT analysis1",
-      "format": "xlsx"
-    },
-    {
-      "name": "Event budget1",
-      "case_id": "Event budget1",
-      "format": "xlsx"
-    },
-    {
-      "name": "Expense report basic1",
-      "case_id": "Expense report basic1",
-      "format": "xlsx"
-    },
-    {
-      "name": "Grocery list1",
-      "case_id": "Grocery list1",
-      "format": "xlsx"
-    },
-    {
-      "name": "payroll-calculator_f",
-      "case_id": "payroll-calculator_f",
-      "format": "xlsx"
-    },
-    {
-      "name": "PO_anonymized",
-      "case_id": "PO_anonymized",
-      "format": "xlsx"
-    },
-    {
-      "name": "Simple invoice1",
-      "case_id": "Simple invoice1",
-      "format": "xlsx"
-    },
-    {
-      "name": "Small business cash flow forecast1",
-      "case_id": "Small business cash flow forecast1",
-      "format": "xlsx"
-    },
-    {
-      "name": "Wedding_timeline_planner1_copy",
-      "case_id": "Wedding_timeline_planner1_copy",
-      "format": "xlsx"
-    },
-    {
-      "name": "Weekly schedule planner1",
-      "case_id": "Weekly schedule planner1",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue75",
-      "case_id": "XlsxIssue75",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue77_MergedCellAlignment",
-      "case_id": "XlsxIssue77_MergedCellAlignment",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue77_Template1",
-      "case_id": "XlsxIssue77_Template1",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue77_Template2_Workaround",
-      "case_id": "XlsxIssue77_Template2_Workaround",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue81_LayoutOptions",
-      "case_id": "XlsxIssue81_LayoutOptions",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue82_5mb",
-      "case_id": "XlsxIssue82_5mb",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue82_SampleTestData5mb",
-      "case_id": "XlsxIssue82_SampleTestData5mb",
-      "format": "xlsx"
-    },
-    {
-      "name": "XlsxIssue82_WideTable",
-      "case_id": "XlsxIssue82_WideTable",
-      "format": "xlsx"
-    }
-  ]
+{
+    "cases":  [
+                  {
+                      "name":  "Academic Achievement Summary Table",
+                      "case_id":  "Academic Achievement Summary Table",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "AcademicAchievement_temp",
+                      "case_id":  "AcademicAchievement_temp",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Business expense budget1",
+                      "case_id":  "Business expense budget1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Business expenses budget2",
+                      "case_id":  "Business expenses budget2",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Business plan checklist with SWOT analysis1",
+                      "case_id":  "Business plan checklist with SWOT analysis1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Event budget1",
+                      "case_id":  "Event budget1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Expense report basic1",
+                      "case_id":  "Expense report basic1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Grocery list1",
+                      "case_id":  "Grocery list1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Issue202609031340",
+                      "case_id":  "Issue202609031340",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "payroll-calculator_f",
+                      "case_id":  "payroll-calculator_f",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "PO_anonymized",
+                      "case_id":  "PO_anonymized",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Simple invoice1",
+                      "case_id":  "Simple invoice1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Small business cash flow forecast1",
+                      "case_id":  "Small business cash flow forecast1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Wedding_timeline_planner1_copy",
+                      "case_id":  "Wedding_timeline_planner1_copy",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "Weekly schedule planner1",
+                      "case_id":  "Weekly schedule planner1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue75",
+                      "case_id":  "XlsxIssue75",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue77_MergedCellAlignment",
+                      "case_id":  "XlsxIssue77_MergedCellAlignment",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue77_Template1",
+                      "case_id":  "XlsxIssue77_Template1",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue77_Template2_Workaround",
+                      "case_id":  "XlsxIssue77_Template2_Workaround",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue81_LayoutOptions",
+                      "case_id":  "XlsxIssue81_LayoutOptions",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue82_5mb",
+                      "case_id":  "XlsxIssue82_5mb",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue82_SampleTestData5mb",
+                      "case_id":  "XlsxIssue82_SampleTestData5mb",
+                      "format":  "xlsx"
+                  },
+                  {
+                      "name":  "XlsxIssue82_WideTable",
+                      "case_id":  "XlsxIssue82_WideTable",
+                      "format":  "xlsx"
+                  }
+              ]
 }
diff --git a/tests/Issue_Files/reports_xlsx/comparison_report.json b/tests/Issue_Files/reports_xlsx/comparison_report.json
index 6e6262e5..c6b415ea 100644
--- a/tests/Issue_Files/reports_xlsx/comparison_report.json
+++ b/tests/Issue_Files/reports_xlsx/comparison_report.json
@@ -849,5 +849,128 @@
       }
     ],
     "overall_score": 0.9459
+  },
+  {
+    "name": "Issue202609031340",
+    "minipdf_exists": true,
+    "reference_exists": true,
+    "report_scope": "issue-xlsx",
+    "case_id": "Issue202609031340",
+    "format": "xlsx",
+    "minipdf_size": 470835,
+    "reference_size": 346206,
+    "pdf_valid": true,
+    "minipdf_pages": 4,
+    "reference_pages": 4,
+    "text_similarity": 0.8828,
+    "flat_text_similarity": 0.8808,
+    "word_text_similarity": 0.7896,
+    "text_diff": "--- minipdf/Issue202609031340.pdf\n+++ reference/Issue202609031340.pdf\n@@ -1,37 +1,34 @@\n 表单编号 XXX-XXX-051-01\n\n-文件编号 QA-SIPI-XXXX-01-1-1\n\n-XXXXXX有限公司\n\n+XXXXXX有限公司 文件编号QA-SIPI-XXXX-01-1-1\n\n 发行日期 2025-04-11\n\n 文件版本 03 修订日期 2025-11-25\n\n 产品穴号 详见注意事项 产品单重 20.45±1.05 g\n\n+注塑制程检验标准书\n\n ￠1.18*10MM(320度加强\n\n-注塑制程检验标准书\n\n 附件编号 / 销钉规格\n\n 型)\n\n 产品型号 XXXX 部件名称 盖塑胶件 抽样计划 ANSI/ASQ Z1.4Ⅱ 巡检频率 2H/次\n\n-MO25XXXX0100/MO25\n\n+MO25XXXX0100/MO\n\n 模具编号 部件材质 PETG 允收水准 CR: 0    MA:1.0    MI: 2.0\n\n-XXXX0110\n\n+25XXXX0110\n\n 检验条件 检验光源角度:45°-90°,检验距离30cm,光照900~1200lux\n\n 参考 图纸文件编号：XXXX系列  内部图纸 2025.4.10\n\n 项目 检验工具 巡检内容\n\n 图 部件图纸编号：HKXXXX-01-RB\n\n-目视、图纸 1、首件样品整模结构符合图纸设计、同PPS结构一致；\n\n-结\n\n-构\n\n-、PPS 2、制程巡检整模产品结构需同首件结构一致。\n\n-目视、限度 1、首件样品颜色需无限接近限度样中的标准样；\n\n-颜\n\n-色\n\n-样 2、制程巡检产品颜色需同首件颜色一致。\n\n-目视、限度 1、注塑成型外观缺陷大小不可超出限度样板；\n\n-外\n\n-观\n\n-样 2、其它外观缺陷无限度样的按常规通用标准判定。\n\n+结 目视、图 1、首件样品整模结构符合图纸设计、同PPS结构一致；\n\n+构 纸、PPS 2、制程巡检整模产品结构需同首件结构一致。\n\n+颜 目视、限 1、首件样品颜色需无限接近限度样中的标准样；\n\n+色 度样 2、制程巡检产品颜色需同首件颜色一致。\n\n+外 目视、限 1、注塑成型外观缺陷大小不可超出限度样板；\n\n+观 度样 2、其它外观缺陷无限度样的按常规通用标准判定。\n\n 包装 目视 参照注塑作业指导书（SOP）\n\n 仪器 项目 管控标准(mm) 测量位置 频率\n\n-卡尺 A 68.16 ＋0.05/－0.17 外形最长距离 1次/班\n\n-卡尺 B 62.03 ＋0.05/－0.20 外形最宽距离 1次/班\n\n+1次/\n\n+卡尺 A 68.16 ＋0.05/－0.17 外形最长距离\n\n+班\n\n+1次/\n\n+卡尺 B 62.03 ＋0.05/－0.20 外形最宽距离\n\n+班\n\n 卡尺 C 27.9 ＋0.03/－0.05 顶部装饰片槽长度 首件\n\n 卡尺 D 18.87 ＋0.00/－0.10 后钮侧面装饰片槽长度 首件\n\n 卡尺 E 6.70＋0.00/－0.05 后钮侧面大卡槽宽度 首件\n\n@@ -40,22 +37,44 @@\n 寸 针规 G 1.20±0.02 针孔内径 6H\n\n 投影仪 H 58.69＋0.02/－0.12 针孔中心至外形最宽距离 6H\n\n 卡尺 I 8.35＋0.10/－0.05 口部平面至顶部高度 首件\n\n-后钮针孔中分线中心点至前扣弧线中\n\n+后钮针孔中分线中心点至前扣弧\n\n 投影仪 J 53.93＋0.04/－0.03 6H\n\n-心点距离\n\n-卡尺 K 18.61±0.05 后钮针孔左右间距 1次/班\n\n-高度规 L*2 4.65＋0.00/－0.10 后钮针孔中心至口部平面间距 1次/班\n\n+线中心点距离\n\n+1次/\n\n+卡尺 K 18.61±0.05 后钮针孔左右间距\n\n+班\n\n+1次/\n\n+高度规 L*2 4.65＋0.00/－0.10 后钮针孔中心至口部平面间距\n\n+班\n\n+产品后钮装饰片槽缺\n\n+口竖边同卡尺贴紧\n\n+68.16 mm 62.03 mm\n\n+产品口部平面同\n\n+产品口部平面同\n\n+卡尺上平面平行\n\n+卡尺上平面平行\n\n+产品后钮装饰片槽缺\n\n+口竖边同卡尺贴紧\n\n+0.00 ~ 300mm卡尺\n\n 参考资料/项目 代码 取样数量 频率 代码 取样数量 频率 注意事项及品质履历\n\n-尺 1.MO25XXXX0100：1#~4#/MO25XXXX0110：5#~12#\n\n+1.MO25XXXX0100：1#~4#/MO25XXXX0110：5#~12#\n\n+尺\n\n 寸\n\n 组\n\n-组装制程检验标准书\n\n-1# 一模 1次/班 2# 一模 1次/班\n\n+组装制程检验标\n\n+1次/ 1次/\n\n+准书 1# 一模 2# 一模\n\n+班 班\n\n 合\n\n-XXXX-00组装成品 功\n\n-3# 一模 1次/班 5# 一模 1次/班\n\n+XXXX-\n\n+功\n\n+1次/ 1次/\n\n+3# 一模 5# 一模\n\n+00组装成品 班 班\n\n 能\n\n-6# 一模 1次/班\n\n+1次/\n\n+6# 一模\n\n+班\n\n 日期 版本 工程担当 品质担当 修    订    内    容\n\n 2025/4/11 00 AAAA AAA 初版发行\n\n 修\n\n@@ -63,23 +82,20 @@\n 修\n\n A：68.16 ＋0.05/－0.13改为68.16 ＋0.05/－0.17；B：62.03 ＋0.05/－0.10改为62.03 ＋0.05/－0.20；D：18.87\n\n 订\n\n+＋0.00/－0.05改为18.87\n\n 2025/5/12 01 BBBB BBB\n\n-记 ＋0.00/－0.05改为18.87 ＋0.00/－0.10；I：8.35＋0.00/－0.16改为8.35＋0.10/－0.05；J：53.93＋0.00/－0.10改为53.\n\n-录\n\n-93＋0.05/－0.10；L*2：4.65±0.05改成4.65＋0.00/－0.10；更新检验频率\n\n+记\n\n+＋0.00/－0.10；I：8.35＋0.00/－0.16改为8.35＋0.10/－0.05；J：53.93＋0.00/－0.10改为53.93＋0.05/－0.10；\n\n+录 L*2：4.65±0.05改成4.65＋0.00/－0.10；更新检验频率\n\n 2025/8/6 02 CCCC CCCC 新增模具编号：MO25XXXX0110\n\n 2025/11/25 03 DDDD DDDD J：53.93＋0.05/－0.10改为53.93＋0.04/－0.03\n\n+研 制\n\n 制 品\n\n-研 制\n\n+审 发 审 造 审 审 制\n\n 造 保\n\n-发 造\n\n-部 部 制\n\n-工 工\n\n-作\n\n+核 工 核 工 核 核 作\n\n+部 部\n\n 程 程\n\n-审 审\n\n-核 核\n\n-审 审\n\n ---PAGE---\n\n 文件编号 QA-SIPI-XXXX-01-1-1 表单编号 QA-FM-051-01\n\n XXXXXX有限公司\n\n@@ -90,8 +106,8 @@\n 产品品质履历（SIP附件）\n\n 版本 日期 问题描述 图片\n\n 00 7/30/2025 口部有麻点印NG，图1\n\n+图 1\n\n ---PAGE---\n\n-制\n\n-审 刘伟鹏\n\n-作\n\n-核\n+审 制\n\n+刘伟鹏\n\n+核 作",
+    "visual_scores": [
+      0.8944,
+      0.9845,
+      0.9351,
+      0.9954
+    ],
+    "visual_avg": 0.9524,
+    "diff_images": [
+      {
+        "page": 1,
+        "minipdf_img": "Issue202609031340_p1_minipdf.png",
+        "reference_img": "Issue202609031340_p1_reference.png",
+        "heatmap_img": "Issue202609031340_p1_heatmap.png",
+        "heatmap_metrics": {
+          "size_px": [
+            1241,
+            1754
+          ],
+          "difference_bbox_px": [
+            43,
+            29,
+            1195,
+            1754
+          ],
+          "changed_pixels": 444245,
+          "changed_fraction": 0.20409,
+          "mean_abs_rgb": 27.6568,
+          "rmse_rgb": 71.4265,
+          "threshold": 12,
+          "gain": 5.0
+        }
+      },
+      {
+        "page": 2,
+        "minipdf_img": "Issue202609031340_p2_minipdf.png",
+        "reference_img": "Issue202609031340_p2_reference.png",
+        "heatmap_img": "Issue202609031340_p2_heatmap.png",
+        "heatmap_metrics": {
+          "size_px": [
+            1241,
+            1754
+          ],
+          "difference_bbox_px": [
+            43,
+            725,
+            1217,
+            1014
+          ],
+          "changed_pixels": 63529,
+          "changed_fraction": 0.029186,
+          "mean_abs_rgb": 4.3159,
+          "rmse_rgb": 28.1847,
+          "threshold": 12,
+          "gain": 5.0
+        }
+      },
+      {
+        "page": 3,
+        "minipdf_img": "Issue202609031340_p3_minipdf.png",
+        "reference_img": "Issue202609031340_p3_reference.png",
+        "heatmap_img": "Issue202609031340_p3_heatmap.png",
+        "heatmap_metrics": {
+          "size_px": [
+            1241,
+            1754
+          ],
+          "difference_bbox_px": [
+            42,
+            40,
+            1196,
+            1754
+          ],
+          "changed_pixels": 176239,
+          "changed_fraction": 0.080966,
+          "mean_abs_rgb": 10.4512,
+          "rmse_rgb": 43.9019,
+          "threshold": 12,
+          "gain": 5.0
+        }
+      },
+      {
+        "page": 4,
+        "minipdf_img": "Issue202609031340_p4_minipdf.png",
+        "reference_img": "Issue202609031340_p4_reference.png",
+        "heatmap_img": "Issue202609031340_p4_heatmap.png",
+        "heatmap_metrics": {
+          "size_px": [
+            1241,
+            1754
+          ],
+          "difference_bbox_px": [
+            42,
+            743,
+            1196,
+            1009
+          ],
+          "changed_pixels": 18149,
+          "changed_fraction": 0.008338,
+          "mean_abs_rgb": 1.166,
+          "rmse_rgb": 14.6026,
+          "threshold": 12,
+          "gain": 5.0
+        }
+      }
+    ],
+    "overall_score": 0.9341
   }
 ]
\ No newline at end of file
diff --git a/tests/Issue_Files/reports_xlsx/comparison_report.md b/tests/Issue_Files/reports_xlsx/comparison_report.md
index 5ee2fc2f..4b56da7d 100644
--- a/tests/Issue_Files/reports_xlsx/comparison_report.md
+++ b/tests/Issue_Files/reports_xlsx/comparison_report.md
@@ -1,6 +1,6 @@
-# MiniPdf vs Reference PDF Comparison Report
+# MiniPdf vs Microsoft 365 Reference PDF Comparison Report
 
-Generated: 2026-08-09T01:57:44.974922
+Generated: 2026-09-04T20:39:22.365558
 
 ## Summary
 
@@ -28,24 +28,53 @@ Generated: 2026-08-09T01:57:44.974922
 | 20 | 🔴 XlsxIssue82_5mb | ✅ | 0.1277 | 0.8157 | 722/766 | **0.4774** |
 | 21 | 🔴 XlsxIssue82_SampleTestData5mb | ✅ | 0.4255 | 0.9146 | 834/1668 | **0.636** |
 | 22 | 🟢 XlsxIssue82_WideTable | ✅ | 1.0 | 0.8648 | 13/13 | **0.9459** |
+| 23 | 🟢 Issue202609031340 | ✅ | 0.8828 | 0.9524 | 4/4 | **0.9341** |
 
-**Average Overall Score: 0.8359**
+**Average Overall Score: 0.8401**
+
+## Difference Heatmaps
+
+Blue areas are below the configured difference threshold; red areas have stronger pixel differences. The reference rendering is retained as faint context.
+
+<table>
+<tr><th>Case</th><th>Heatmap</th><th>Metrics</th></tr>
+<tr>
+  <td><b>Issue202609031340</b><br>Page 1</td>
+  <td><img src="images/Issue202609031340_p1_heatmap.png" width="760" alt="Issue202609031340 page 1 difference heatmap"></td>
+  <td>changed: 444245 px (20.41%)<br>bbox: [43, 29, 1195, 1754]<br>mean abs RGB: 27.6568<br>RMSE RGB: 71.4265<br>threshold: 12, gain: 5.0</td>
+</tr>
+<tr>
+  <td><b>Issue202609031340</b><br>Page 2</td>
+  <td><img src="images/Issue202609031340_p2_heatmap.png" width="760" alt="Issue202609031340 page 2 difference heatmap"></td>
+  <td>changed: 63529 px (2.92%)<br>bbox: [43, 725, 1217, 1014]<br>mean abs RGB: 4.3159<br>RMSE RGB: 28.1847<br>threshold: 12, gain: 5.0</td>
+</tr>
+<tr>
+  <td><b>Issue202609031340</b><br>Page 3</td>
+  <td><img src="images/Issue202609031340_p3_heatmap.png" width="760" alt="Issue202609031340 page 3 difference heatmap"></td>
+  <td>changed: 176239 px (8.10%)<br>bbox: [42, 40, 1196, 1754]<br>mean abs RGB: 10.4512<br>RMSE RGB: 43.9019<br>threshold: 12, gain: 5.0</td>
+</tr>
+<tr>
+  <td><b>Issue202609031340</b><br>Page 4</td>
+  <td><img src="images/Issue202609031340_p4_heatmap.png" width="760" alt="Issue202609031340 page 4 difference heatmap"></td>
+  <td>changed: 18149 px (0.83%)<br>bbox: [42, 743, 1196, 1009]<br>mean abs RGB: 1.166<br>RMSE RGB: 14.6026<br>threshold: 12, gain: 5.0</td>
+</tr>
+</table>
 
 ## Visual Comparison
 
 <table>
-<tr><th>MiniPdf</th><th>LibreOffice (Reference)</th></tr>
+<tr><th>MiniPdf</th><th>Microsoft 365 Reference</th></tr>
 <tr>
   <td><b>Academic Achievement Summary Table<br><small>format: xlsx | case: Academic Achievement Summary Table | scope: issue-xlsx</small></b></td>
   <td colspan="1">Academic Achievement Summary Table <span style="color:#3fb950">⬤</span> 97.4%</td>
 </tr>
 <tr>
   <td><img src="images/Academic Achievement Summary Table_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Academic Achievement Summary Table_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Academic Achievement Summary Table_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Academic Achievement Summary Table_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Academic Achievement Summary Table_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Academic Achievement Summary Table_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>AcademicAchievement_temp<br><small>format: xlsx | case: AcademicAchievement_temp | scope: issue-xlsx</small></b></td>
@@ -53,11 +82,11 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/AcademicAchievement_temp_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/AcademicAchievement_temp_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/AcademicAchievement_temp_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/AcademicAchievement_temp_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/AcademicAchievement_temp_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/AcademicAchievement_temp_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Business expense budget1<br><small>format: xlsx | case: Business expense budget1 | scope: issue-xlsx</small></b></td>
@@ -65,15 +94,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Business expense budget1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business expense budget1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business expense budget1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Business expense budget1_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business expense budget1_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business expense budget1_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Business expense budget1_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business expense budget1_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business expense budget1_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Business expenses budget2<br><small>format: xlsx | case: Business expenses budget2 | scope: issue-xlsx</small></b></td>
@@ -81,19 +110,19 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Business expenses budget2_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business expenses budget2_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business expenses budget2_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Business expenses budget2_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business expenses budget2_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business expenses budget2_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Business expenses budget2_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business expenses budget2_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business expenses budget2_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Business expenses budget2_p4_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business expenses budget2_p4_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business expenses budget2_p4_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Business plan checklist with SWOT analysis1<br><small>format: xlsx | case: Business plan checklist with SWOT analysis1 | scope: issue-xlsx</small></b></td>
@@ -101,7 +130,7 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Business plan checklist with SWOT analysis1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Business plan checklist with SWOT analysis1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Business plan checklist with SWOT analysis1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Event budget1<br><small>format: xlsx | case: Event budget1 | scope: issue-xlsx</small></b></td>
@@ -109,15 +138,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Event budget1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Event budget1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Event budget1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Event budget1_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Event budget1_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Event budget1_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Event budget1_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Event budget1_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Event budget1_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Expense report basic1<br><small>format: xlsx | case: Expense report basic1 | scope: issue-xlsx</small></b></td>
@@ -125,7 +154,7 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Expense report basic1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Expense report basic1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Expense report basic1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Grocery list1<br><small>format: xlsx | case: Grocery list1 | scope: issue-xlsx</small></b></td>
@@ -133,7 +162,7 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Grocery list1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Grocery list1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Grocery list1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>payroll-calculator_f<br><small>format: xlsx | case: payroll-calculator_f | scope: issue-xlsx</small></b></td>
@@ -141,15 +170,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/payroll-calculator_f_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/payroll-calculator_f_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/payroll-calculator_f_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/payroll-calculator_f_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/payroll-calculator_f_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/payroll-calculator_f_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/payroll-calculator_f_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/payroll-calculator_f_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/payroll-calculator_f_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>PO_anonymized<br><small>format: xlsx | case: PO_anonymized | scope: issue-xlsx</small></b></td>
@@ -157,15 +186,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/PO_anonymized_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/PO_anonymized_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/PO_anonymized_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/PO_anonymized_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/PO_anonymized_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/PO_anonymized_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/PO_anonymized_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/PO_anonymized_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/PO_anonymized_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Simple invoice1<br><small>format: xlsx | case: Simple invoice1 | scope: issue-xlsx</small></b></td>
@@ -173,7 +202,7 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Simple invoice1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Simple invoice1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Simple invoice1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Small business cash flow forecast1<br><small>format: xlsx | case: Small business cash flow forecast1 | scope: issue-xlsx</small></b></td>
@@ -181,15 +210,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Small business cash flow forecast1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Small business cash flow forecast1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Small business cash flow forecast1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Small business cash flow forecast1_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Small business cash flow forecast1_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Small business cash flow forecast1_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><i>missing</i></td>
-  <td><img src="images/Small business cash flow forecast1_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Small business cash flow forecast1_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Wedding_timeline_planner1_copy<br><small>format: xlsx | case: Wedding_timeline_planner1_copy | scope: issue-xlsx</small></b></td>
@@ -197,15 +226,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Wedding_timeline_planner1_copy_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Wedding_timeline_planner1_copy_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Wedding_timeline_planner1_copy_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Wedding_timeline_planner1_copy_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Wedding_timeline_planner1_copy_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Wedding_timeline_planner1_copy_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/Wedding_timeline_planner1_copy_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Wedding_timeline_planner1_copy_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Wedding_timeline_planner1_copy_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>Weekly schedule planner1<br><small>format: xlsx | case: Weekly schedule planner1 | scope: issue-xlsx</small></b></td>
@@ -213,7 +242,7 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/Weekly schedule planner1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/Weekly schedule planner1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/Weekly schedule planner1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue75<br><small>format: xlsx | case: XlsxIssue75 | scope: issue-xlsx</small></b></td>
@@ -221,15 +250,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue75_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue75_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue75_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue75_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue75_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue75_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue75_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue75_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue75_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue77_MergedCellAlignment<br><small>format: xlsx | case: XlsxIssue77_MergedCellAlignment | scope: issue-xlsx</small></b></td>
@@ -237,11 +266,11 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_MergedCellAlignment_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_MergedCellAlignment_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_MergedCellAlignment_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_MergedCellAlignment_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_MergedCellAlignment_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_MergedCellAlignment_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue77_Template1<br><small>format: xlsx | case: XlsxIssue77_Template1 | scope: issue-xlsx</small></b></td>
@@ -249,15 +278,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_Template1_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_Template1_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_Template1_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_Template1_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_Template1_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_Template1_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_Template1_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_Template1_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_Template1_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue77_Template2_Workaround<br><small>format: xlsx | case: XlsxIssue77_Template2_Workaround | scope: issue-xlsx</small></b></td>
@@ -265,15 +294,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_Template2_Workaround_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_Template2_Workaround_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_Template2_Workaround_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_Template2_Workaround_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_Template2_Workaround_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_Template2_Workaround_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue77_Template2_Workaround_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue77_Template2_Workaround_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue77_Template2_Workaround_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue81_LayoutOptions<br><small>format: xlsx | case: XlsxIssue81_LayoutOptions | scope: issue-xlsx</small></b></td>
@@ -281,15 +310,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue81_LayoutOptions_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue81_LayoutOptions_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue81_LayoutOptions_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue81_LayoutOptions_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue81_LayoutOptions_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue81_LayoutOptions_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue81_LayoutOptions_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue81_LayoutOptions_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue81_LayoutOptions_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue82_5mb<br><small>format: xlsx | case: XlsxIssue82_5mb | scope: issue-xlsx</small></b></td>
@@ -297,15 +326,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_5mb_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_5mb_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_5mb_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_5mb_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_5mb_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_5mb_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_5mb_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_5mb_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_5mb_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue82_SampleTestData5mb<br><small>format: xlsx | case: XlsxIssue82_SampleTestData5mb | scope: issue-xlsx</small></b></td>
@@ -313,15 +342,15 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_SampleTestData5mb_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_SampleTestData5mb_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_SampleTestData5mb_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_SampleTestData5mb_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_SampleTestData5mb_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_SampleTestData5mb_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_SampleTestData5mb_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_SampleTestData5mb_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_SampleTestData5mb_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><b>XlsxIssue82_WideTable<br><small>format: xlsx | case: XlsxIssue82_WideTable | scope: issue-xlsx</small></b></td>
@@ -329,15 +358,35 @@ Generated: 2026-08-09T01:57:44.974922
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_WideTable_p1_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_WideTable_p1_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_WideTable_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_WideTable_p2_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_WideTable_p2_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_WideTable_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 <tr>
   <td><img src="images/XlsxIssue82_WideTable_p3_minipdf.png" width="340" alt="MiniPdf"></td>
-  <td><img src="images/XlsxIssue82_WideTable_p3_reference.png" width="340" alt="Reference"></td>
+  <td><img src="images/XlsxIssue82_WideTable_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
+</tr>
+<tr>
+  <td><b>Issue202609031340<br><small>format: xlsx | case: Issue202609031340 | scope: issue-xlsx</small></b></td>
+  <td colspan="1">Issue202609031340 <span style="color:#3fb950">⬤</span> 93.4%</td>
+</tr>
+<tr>
+  <td><img src="images/Issue202609031340_p1_minipdf.png" width="340" alt="MiniPdf"></td>
+  <td><img src="images/Issue202609031340_p1_reference.png" width="340" alt="Microsoft 365 Reference"></td>
+</tr>
+<tr>
+  <td><img src="images/Issue202609031340_p2_minipdf.png" width="340" alt="MiniPdf"></td>
+  <td><img src="images/Issue202609031340_p2_reference.png" width="340" alt="Microsoft 365 Reference"></td>
+</tr>
+<tr>
+  <td><img src="images/Issue202609031340_p3_minipdf.png" width="340" alt="MiniPdf"></td>
+  <td><img src="images/Issue202609031340_p3_reference.png" width="340" alt="Microsoft 365 Reference"></td>
+</tr>
+<tr>
+  <td><img src="images/Issue202609031340_p4_minipdf.png" width="340" alt="MiniPdf"></td>
+  <td><img src="images/Issue202609031340_p4_reference.png" width="340" alt="Microsoft 365 Reference"></td>
 </tr>
 </table>
 
@@ -623,7 +672,6 @@ Generated: 2026-08-09T01:57:44.974922
  ---PAGE---
 
  Q2 ACTUAL VARIANCE
-
 ```
 </details>
 
@@ -682,7 +730,7 @@ Generated: 2026-08-09T01:57:44.974922
 
 -Web site updates $ 200.00  $ 200.00  $ 200.00  $ 200.00  $ 200.00  $ 1,000.00  $ 200.00  $ 200.00  $ 200.00  $ 200.00  $ 200.00  $ 1,000.00  $ 4,000.00
 
--Collateral preparation $ 5,000.00  $ -    $ -    $ 5,000.00  $ -    
+-Collateral preparation $ 5,000.00  $ -    $ -    $ 5,000.00  $ -
 ... (13476 more characters)
 
 ```
@@ -726,7 +774,6 @@ Generated: 2026-08-09T01:57:44.974922
  Kristin Orav 1/16/2023
 
  how it will differentiate itself within the marketplace.
-
 ```
 </details>
 
@@ -990,7 +1037,6 @@ Text content: ✅ Identical
  Bacon wrapped
 
  Beef Farmer's Market LOCAL MARKET 10 lbs $7.99 $79.90
-
 ```
 </details>
 
@@ -1335,7 +1381,6 @@ Text content: ✅ Identical
  A875 Peonies 35 $1.05 $36.75
 
  K245 Tulips 25 $2.00 $50.00
-
 ```
 </details>
 
@@ -1577,7 +1622,6 @@ Text content: ✅ Identical
 +Hire your wedding day transportation (carriage, limousine service,
 
 +☐
-
 ... (2605 more characters)
 
 ```
@@ -1615,7 +1659,6 @@ Text content: ✅ Identical
  ✖ Read ✔ Read ✔ Read Read Read Read Read
 
  ✔ Stretch ✔ Stretch ✖ Stretch Stretch Stretch Stretch Stretch
-
 ```
 </details>
 
@@ -2280,7 +2323,7 @@ Text content: ✅ Identical
 
 -44 User 44 user44@e New York Canada Sales IfbMmzIxe 2116040.7609570
 
--45 User 45 user45@eSydney 
+-45 User 45 user45@eSydney
 ... (16011 more characters)
 
 ```
@@ -2297,6 +2340,308 @@ Text content: ✅ Identical
 
 Text content: ✅ Identical
 
+### Issue202609031340
+
+- **Case Metadata:** format: xlsx | case: Issue202609031340 | scope: issue-xlsx
+- **Text Similarity:** 0.8828
+- **Visual Average:** 0.9524
+- **Overall Score:** 0.9341
+- **Pages:** MiniPdf=4, Reference=4
+- **File Size:** MiniPdf=470835 bytes, Reference=346206 bytes
+
+<details><summary>Text Diff</summary>
+
+```diff
+--- minipdf/Issue202609031340.pdf
++++ reference/Issue202609031340.pdf
+@@ -1,37 +1,34 @@
+ 表单编号 XXX-XXX-051-01
+
+-文件编号 QA-SIPI-XXXX-01-1-1
+
+-XXXXXX有限公司
+
++XXXXXX有限公司 文件编号QA-SIPI-XXXX-01-1-1
+
+ 发行日期 2025-04-11
+
+ 文件版本 03 修订日期 2025-11-25
+
+ 产品穴号 详见注意事项 产品单重 20.45±1.05 g
+
++注塑制程检验标准书
+
+ ￠1.18*10MM(320度加强
+
+-注塑制程检验标准书
+
+ 附件编号 / 销钉规格
+
+ 型)
+
+ 产品型号 XXXX 部件名称 盖塑胶件 抽样计划 ANSI/ASQ Z1.4Ⅱ 巡检频率 2H/次
+
+-MO25XXXX0100/MO25
+
++MO25XXXX0100/MO
+
+ 模具编号 部件材质 PETG 允收水准 CR: 0    MA:1.0    MI: 2.0
+
+-XXXX0110
+
++25XXXX0110
+
+ 检验条件 检验光源角度:45°-90°,检验距离30cm,光照900~1200lux
+
+ 参考 图纸文件编号：XXXX系列  内部图纸 2025.4.10
+
+ 项目 检验工具 巡检内容
+
+ 图 部件图纸编号：HKXXXX-01-RB
+
+-目视、图纸 1、首件样品整模结构符合图纸设计、同PPS结构一致；
+
+-结
+
+-构
+
+-、PPS 2、制程巡检整模产品结构需同首件结构一致。
+
+-目视、限度 1、首件样品颜色需无限接近限度样中的标准样；
+
+-颜
+
+-色
+
+-样 2、制程巡检产品颜色需同首件颜色一致。
+
+-目视、限度 1、注塑成型外观缺陷大小不可超出限度样板；
+
+-外
+
+-观
+
+-样 2、其它外观缺陷无限度样的按常规通用标准判定。
+
++结 目视、图 1、首件样品整模结构符合图纸设计、同PPS结构一致；
+
++构 纸、PPS 2、制程巡检整模产品结构需同首件结构一致。
+
++颜 目视、限 1、首件样品颜色需无限接近限度样中的标准样；
+
++色 度样 2、制程巡检产品颜色需同首件颜色一致。
+
++外 目视、限 1、注塑成型外观缺陷大小不可超出限度样板；
+
++观 度样 2、其它外观缺陷无限度样的按常规通用标准判定。
+
+ 包装 目视 参照注塑作业指导书（SOP）
+
+ 仪器 项目 管控标准(mm) 测量位置 频率
+
+-卡尺 A 68.16 ＋0.05/－0.17 外形最长距离 1次/班
+
+-卡尺 B 62.03 ＋0.05/－0.20 外形最宽距离 1次/班
+
++1次/
+
++卡尺 A 68.16 ＋0.05/－0.17 外形最长距离
+
++班
+
++1次/
+
++卡尺 B 62.03 ＋0.05/－0.20 外形最宽距离
+
++班
+
+ 卡尺 C 27.9 ＋0.03/－0.05 顶部装饰片槽长度 首件
+
+ 卡尺 D 18.87 ＋0.00/－0.10 后钮侧面装饰片槽长度 首件
+
+ 卡尺 E 6.70＋0.00/－0.05 后钮侧面大卡槽宽度 首件
+
+@@ -40,22 +37,44 @@
+ 寸 针规 G 1.20±0.02 针孔内径 6H
+
+ 投影仪 H 58.69＋0.02/－0.12 针孔中心至外形最宽距离 6H
+
+ 卡尺 I 8.35＋0.10/－0.05 口部平面至顶部高度 首件
+
+-后钮针孔中分线中心点至前扣弧线中
+
++后钮针孔中分线中心点至前扣弧
+
+ 投影仪 J 53.93＋0.04/－0.03 6H
+
+-心点距离
+
+-卡尺 K 18.61±0.05 后钮针孔左右间距 1次/班
+
+-高度规 L*2 4.65＋0.00/－0.10 后钮针孔中心至口部平面间距 1次/班
+
++线中心点距离
+
++1次/
+
++卡尺 K 18.61±0.05 后钮针孔左右间距
+
++班
+
++1次/
+
++高度规 L*2 4.65＋0.00/－0.10 后钮针孔中心至口部平面间距
+
++班
+
++产品后钮装饰片槽缺
+
++口竖边同卡尺贴紧
+
++68.16 mm 62.03 mm
+
++产品口部平面同
+
++产品口部平面同
+
++卡尺上平面平行
+
++卡尺上平面平行
+
++产品后钮装饰片槽缺
+
++口竖边同卡尺贴紧
+
++0.00 ~ 300mm卡尺
+
+ 参考资料/项目 代码 取样数量 频率 代码 取样数量 频率 注意事项及品质履历
+
+-尺 1.MO25XXXX0100：1#~4#/MO25XXXX0110：5#~12#
+
++1.MO25XXXX0100：1#~4#/MO25XXXX0110：5#~12#
+
++尺
+
+ 寸
+
+ 组
+
+-组装制程检验标准书
+
+-1# 一模 1次/班 2# 一模 1次/班
+
++组装制程检验标
+
++1次/ 1次/
+
++准书 1# 一模 2# 一模
+
++班 班
+
+ 合
+
+-XXXX-00组装成品 功
+
+-3# 一模 1次/班 5# 一模 1次/班
+
++XXXX-
+
++功
+
++1次/ 1次/
+
++3# 一模 5# 一模
+
++00组装成品 班 班
+
+ 能
+
+-6# 一模 1次/班
+
++1次/
+
++6# 一模
+
++班
+
+ 日期 版本 工程担当 品质担当 修    订    内    容
+
+ 2025/4/11 00 AAAA AAA 初版发行
+
+ 修
+
+@@ -63,23 +82,20 @@
+ 修
+
+ A：68.16 ＋0.05/－0.13改为68.16 ＋0.05/－0.17；B：62.03 ＋0.05/－0.10改为62.03 ＋0.05/－0.20；D：18.87
+
+ 订
+
++＋0.00/－0.05改为18.87
+
+ 2025/5/12 01 BBBB BBB
+
+-记 ＋0.00/－0.05改为18.87 ＋0.00/－0.10；I：8.35＋0.00/－0.16改为8.35＋0.10/－0.05；J：53.93＋0.00/－0.10改为53.
+
+-录
+
+-93＋0.05/－0.10；L*2：4.65±0.05改成4.65＋0.00/－0.10；更新检验频率
+
++记
+
++＋0.00/－0.10；I：8.35＋0.00/－0.16改为8.35＋0.10/－0.05；J：53.93＋0.00/－0.10改为53.93＋0.05/－0.10；
+
++录 L*2：4.65±0.05改成4.65＋0.00/－0.10；更新检验频率
+
+ 2025/8/6 02 CCCC CCCC 新增模具编号：MO25XXXX0110
+
+ 2025/11/25 03 DDDD DDDD J：53.93＋0.05/－0.10改为53.93＋0.04/－0.03
+
++研 制
+
+ 制 品
+
+-研 制
+
++审 发 审 造 审 审 制
+
+ 造 保
+
+-发 造
+
+-部 部 制
+
+-工 工
+
+-作
+
++核 工 核 工 核 核 作
+
++部 部
+
+ 程 程
+
+-审 审
+
+-核 核
+
+-审 审
+
+ ---PAGE---
+
+ 文件编号 QA-SIPI-XXXX-01-1-1 表单编号 QA-FM-051-01
+
+ XXXXXX有限公司
+
+@@ -90,8 +106,8 @@
+ 产品品质履历（SIP附件）
+
+ 版本 日期 问题
+... (88 more characters)
+
+```
+</details>
+
 ## Improvement Suggestions
 
 ### ⚠ Low-Score Test Cases (below 0.8)
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p1_heatmap.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p1_heatmap.png
new file mode 100644
index 00000000..3aa277ee
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diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p1_minipdf.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p1_minipdf.png
new file mode 100644
index 00000000..bc5be905
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diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p1_reference.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p1_reference.png
new file mode 100644
index 00000000..cd07b9fa
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diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_heatmap.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_heatmap.png
new file mode 100644
index 00000000..5a2ec9c6
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_heatmap.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_minipdf.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_minipdf.png
new file mode 100644
index 00000000..f3253277
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_minipdf.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_reference.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_reference.png
new file mode 100644
index 00000000..1060b344
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p2_reference.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_heatmap.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_heatmap.png
new file mode 100644
index 00000000..7d4ead46
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_heatmap.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_minipdf.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_minipdf.png
new file mode 100644
index 00000000..3790e0c6
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_minipdf.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_reference.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_reference.png
new file mode 100644
index 00000000..996d7731
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p3_reference.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_heatmap.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_heatmap.png
new file mode 100644
index 00000000..ec99e226
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_heatmap.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_minipdf.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_minipdf.png
new file mode 100644
index 00000000..28469c83
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_minipdf.png differ
diff --git a/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_reference.png b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_reference.png
new file mode 100644
index 00000000..a656ea30
Binary files /dev/null and b/tests/Issue_Files/reports_xlsx/images/Issue202609031340_p4_reference.png differ
diff --git a/tests/Issue_Files/xlsx/Issue202609031340.xlsx b/tests/Issue_Files/xlsx/Issue202609031340.xlsx
new file mode 100644
index 00000000..caa55d1a
Binary files /dev/null and b/tests/Issue_Files/xlsx/Issue202609031340.xlsx differ
diff --git a/tests/MiniPdf.Benchmark/compare_pdfs.py b/tests/MiniPdf.Benchmark/compare_pdfs.py
index 5f4cc6a1..b61e4fe0 100644
--- a/tests/MiniPdf.Benchmark/compare_pdfs.py
+++ b/tests/MiniPdf.Benchmark/compare_pdfs.py
@@ -133,7 +133,7 @@ def normalize_manifest_case(entry: dict) -> dict:
 
 def load_manifest_cases(manifest_path: str) -> list[dict]:
     """Load benchmark cases from a manifest JSON file."""
-    with open(manifest_path, encoding="utf-8") as f:
+    with open(manifest_path, encoding="utf-8-sig") as f:
         data = json.load(f)
 
     if isinstance(data, list):
@@ -1045,7 +1045,7 @@ def compare_single(
     return result
 
 
-def generate_report(results: list[dict], report_dir: str, labels: dict | None = None):
+def generate_report(results: list[dict], report_dir: str, labels: Optional[dict] = None):
     """Generate a markdown + JSON comparison report."""
     labels = labels or {}
     candidate_label = labels.get("candidate", "MiniPdf")
diff --git a/tests/MiniPdf.Tests/XlsxIssueFileTests.cs b/tests/MiniPdf.Tests/XlsxIssueFileTests.cs
index 04e980c2..4040daee 100644
--- a/tests/MiniPdf.Tests/XlsxIssueFileTests.cs
+++ b/tests/MiniPdf.Tests/XlsxIssueFileTests.cs
@@ -5,6 +5,53 @@ namespace MiniSoftware.Tests;
 
 public class XlsxIssueFileTests
 {
+    [Fact]
+    public void Issue202609031340_PreservesLayoutAndOlePreviews()
+    {
+        var issuePath = FindIssueXlsx("Issue202609031340.xlsx");
+
+        using var stream = File.OpenRead(issuePath);
+        var sheets = ExcelReader.ReadSheets(stream);
+        Assert.All(sheets, sheet => Assert.True(sheet.VerticalCentered));
+        Assert.Equal(255, sheets[0].Rows[45][0].TextRotation);
+        if (Compat.IsWindows())
+        {
+            Assert.Equal(2, sheets[0].Images.Count);
+            Assert.All(sheets[0].Images, image =>
+            {
+                Assert.Equal("png", image.Extension);
+                Assert.NotNull(image.AbsoluteLeftPt);
+                Assert.NotNull(image.AbsoluteTopPt);
+                Assert.NotNull(image.VmlFromColOffset);
+                Assert.NotNull(image.VmlFromRowOffset);
+                Assert.NotNull(image.VmlToColOffset);
+                Assert.NotNull(image.VmlToRowOffset);
+            });
+        }
+
+        var doc = ExcelToPdfConverter.Convert(issuePath);
+
+        Assert.Equal(4, doc.Pages.Count);
+        Assert.All(new[] { doc.Pages[1], doc.Pages[3] }, page =>
+        {
+            Assert.NotEmpty(page.LineBlocks);
+            Assert.True(page.LineBlocks.Max(line => Math.Max(line.Y1, line.Y2)) < page.Height * 0.7f);
+            Assert.True(page.LineBlocks.Min(line => Math.Min(line.Y1, line.Y2)) > page.Height * 0.3f);
+        });
+        Assert.All("修订记录", character =>
+            Assert.Contains(doc.Pages[1].TextBlocks, block => block.Text == character.ToString()));
+        if (Compat.IsWindows())
+        {
+            Assert.Equal(2, doc.Pages[0].ImageBlocks.Count);
+            var imageTops = doc.Pages[0].ImageBlocks
+                .Select(image => doc.Pages[0].Height - image.Y - image.RenderHeight)
+                .OrderBy(top => top)
+                .ToArray();
+            Assert.InRange(imageTops[0], 215f, 218f);
+            Assert.InRange(imageTops[1], 528f, 530f);
+        }
+    }
+
     [Fact]
     public void AcademicAchievement_ManualPageBreak_UsesIntegerScaleForFixedRows()
     {