20 秒第一人稱視角：手持大砍刀穿過樹葉的主角遇上撲來的劍齒虎

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20 秒。連續不間斷的 POV。一隻知道你在這裡的劍齒虎。0-5 秒：穿過葉叢，畫面中有開山刀，麥克風裡傳來沉重的喘息 5-10 秒：放慢速度。前方傳來低吼。攝影機在枝葉間搜尋 10-15 秒：揭露——牠蹲伏在泥濘中，獠牙緊緊盯著你 15-20 秒：踉蹌後退，舉起開山刀，牠猛撲而來。撞擊瞬間切成黑畫面。粗獷的手持 POV，枝葉拂過鏡頭，完全沒有電影感的修飾

20 seconds. One continuous POV. A saber-toothed cat that knows you're there. 0-5s: pushing through leaves, machete in frame, heavy breathing on the mic 5-10s: slow down. a growl ahead. camera searching the foliage 10-15s: the reveal — crouched in the mud, fangs locked on you 15-20s: stumble back, machete up, the lunge. cut to black at impact. Rough handheld POV, foliage brushing the lens, zero cinematic polish