Create a production scene image for Vietnamese historical story video.

ABSOLUTE STYLE: 16:9 horizontal composition/canvas for video; fixed warm cream paper background; Vietnamese historical storybook illustration; hand-drawn brown ink outlines; light transparent watercolor; muted earth tones; airy sparse composition; illustrated subject/vignette occupies about 55-65% of the frame; keep about 30-40% blank warm cream paper visible; background fades into cream paper; corners mostly empty; not full-frame, not full-bleed.
HISTORICAL GROUNDING: Đại Việt đầu thế kỷ XV, khởi nghĩa Lam Sơn chống Minh; Vietnamese faces/costumes; Lam Sơn cloth/lamellar armor, swords/spears/banners/boats/fortresses only when appropriate.
SCENE VISUAL: 16:9 horizontal composition/canvas; fixed warm cream paper background; sparse Vietnamese historical storybook illustration, brown ink outlines, light transparent watercolor, muted earth tones; subject/vignette occupies 55–65% frame, keep 30–40% blank cream paper; background fades into cream paper; no full-bleed. Scene: Trần Nguyên Hãn cùng nghĩa quân Lam Sơn dưới cờ Lê Lợi, bối cảnh Đại Việt đầu thế kỷ XV. Historical grounding: Đại Việt đầu thế kỷ XV, trang phục/vũ khí Lam Sơn đúng văn hóa Việt. Negative: no text, no subtitles, no watermark, no logo, no photorealism, no 3D, no anime, no glossy digital art, no dramatic lighting, no saturated colors, no full-frame background, no cropped figures.
NARRATION CONTEXT: Trước đó, vào cuối năm 1426, nghĩa quân Lam Sơn do Lê Sát và Lê Thụ chỉ huy cũng đã tổ chức bao vây và tiến công thành lũy này nhưng bất thành.
REFERENCE USE: first reference = approved sparse cream-paper storybook style only; second reference = character identity only when present. Keep identity consistent but compose a full 16:9 story scene, not a portrait sheet.
NEGATIVE: no white pure background, no full-bleed scene, no edge-to-edge background, no dense full-frame painting, no cinematic wide shot, no cropped figures, no vertical/square format, no photorealism, no 3D, no anime, no glossy digital art, no dramatic lighting, no saturated colors, no text, no subtitles, no watermark, no logo, no modern objects, no wrong culture armor.