雨夜忧伤循环

[情绪] 忧伤、沉思、微光中的希望 [配器] 雨声采样 + 钢琴 + 合成器pad + 尺八长音 [结构] 循环播放，无明确起止，氛围持续 [参考] 《生化危机2重制版》安全屋 + 《寂静岭》探索 [技术参数] 时长：3:00（无缝循环），BPM：72，调性：F#小调 提示词： "Ambient exploration music for rainy post-apocalyptic city streets. Soft rain texture as rhythmic element, melancholic piano chords in F# minor, distant erhu-like synth melody floating above, warm synth pad underneath suggesting faint hope. No drums, no tension, meditative