Literature Reference: 恸哭苍烟根，山门万重闭。—— 《送樊二十三侍御赴汉中判官》 Wailing at the roots of the ancient mist, the mountain gates close heavily. Source from 'Sending Fan Twenty-three as an Envoy to Hanzhong.'
苍: Indigo blue, deep green.
烟: Smoke, billowing clouds. Herbal essence.
Meaning: The ancient mist symbolizes the profound and timeless beauty of nature, evoking a sense of history and depth.