Classic Campaign Visualization Scroll

Generate a 【Classic Campaign Visualization Scroll】, a single complete image, no collages, no multi-grid layouts, no columns, side-by-side 3:1.

Campaign Theme: [{argument name="Campaign Theme" default="Battle of Red Cliffs"}]
Title: [{argument name="title" default="Battle of Red Cliffs"}]
Subtitle: [{argument name="Subtitle" default="One-sentence summary of key twists"}]
Core content: [Battlefield terrain / Both sides / Main attack routes