Body text font size in half-points. Acceptable range: 20-28 (10pt-14pt). - 10pt (20): minimum for comfortable reading - 11pt (22): modern default (Calibri, Aptos) - 12pt (24): traditional default (Times New Roman) - 14pt (28): maximum before body text looks oversized Heading font size in half-points. Acceptable range: 24-52 (12pt-26pt). - 12pt (24): APA-style (hierarchy via bold/italic, not size) - 16pt (32): typical H2/H3 - 20pt (40): typical H1 - 26pt (52): maximum before headings dominate the page Line spacing value for auto line-spacing rule. In 240ths of single spacing: 240 = 1.0x, 480 = 2.0x. Acceptable range: 240-560 (1.0x to 2.33x). Common values: - 240: single spacing (dense, technical) - 259: Word's 1.08x default - 276: 1.15x (modern corporate default) - 336: 1.4x (executive/generous) - 360: 1.5x (generous/minimal) - 480: 2.0x (academic double spacing) Fixed line spacing value (lineRule="exact") in DXA. Acceptable range: 200-720 (10pt-36pt). - 560: Chinese government standard (28pt, for 16pt body) - 480: double-space equivalent for 12pt body Page margin in DXA. Minimum 720 (0.5 inch), maximum 4320 (3 inches). Common values: - 720: 0.5in (minimum printable) - 1440: 1.0in (standard US) - 1588: 28mm (Chinese government left margin) - 1800: 1.25in (executive/premium) - 2160: 1.5in (binding margin or narrow-column design) Vertical (top/bottom) page margin in DXA. Range: 360 to 4320 (0.25in to 3in). Slightly more permissive than horizontal margins because header/footer areas may reduce effective vertical margin. Paragraph spacing (before/after) in DXA. Range: 0-960 (0pt-48pt). Common values: - 0: academic style (uses first-line indent instead) - 80: 4pt (tight, used after H2/H3) - 120: 6pt (moderate) - 160: 8pt (standard modern spacing) - 200: 10pt (generous/executive) - 240: 12pt (very generous/minimal) - 480: 24pt (heading before — creates section break) Table cell padding in DXA. Minimum 28 DXA (~1.4pt). Recommended: 57 DXA (~2.85pt) for comfortable spacing. Maximum: 288 DXA (~14pt) — beyond this wastes space. Border width in eighth-points. Range: 2-24 (0.25pt to 3pt). Common values: - 4: 0.5pt (thin, standard) - 6: 0.75pt (header separator in three-line tables) - 8: 1.0pt (medium, good for framing borders) - 12: 1.5pt (heavy, used for top/bottom in three-line tables) - 24: 3.0pt (maximum before borders dominate) Color value: 6-digit hex (RRGGBB) or "auto". Examples: "000000", "1F3864", "2C3E50", "auto". First-line indent in DXA. Range: 0-1440 (0in to 1.0in). - 0: no indent (modern style with space-after) - 480: 0.33in (compact) - 640: ~0.44in (2 Chinese characters at 16pt) - 720: 0.5in (standard APA/academic) - 1440: 1.0in (maximum before it looks wrong) Aesthetic run properties validator. Checks font size and color format at the run level. Aesthetic spacing validator for paragraph spacing properties. Validates line spacing and before/after spacing are in range. Aesthetic page margin validator. Ensures all margins meet minimum print-safe thresholds. Aesthetic table cell margin validator. Ensures minimum padding for readability.