We need to write an article about Red Tea (which is known as black tea in the West, but in Chinese classification “Red Tea” is fully fermented tea). The article: “Red Tea: Common Storage Failures - Signs and Diagnosis”. Must be 1500-2500 words, substantial content. Use only h3/h4/p/ul/ol/strong/em tags. No html/head/body wrappers. So output just HTML body content: starting with an introductory paragraph (p), then at least 4-5 subheading sections (h3). Possibly also h4 sub-subheadings. Use lists (ul/ol) and bold/italic where helpful.

We must ensure length 1500-2500 words. That’s a lot. We need to produce roughly maybe 1800-2000 words. Use proper detail.

We need to reference historical sources, classic texts, modern research. Provide specific numbers and ranges.

We need to end with