这是一款基于 LTX 2.3 Dev-Dare + VBVR 最终版 + 一分四四宫格拆图 + PromptRelay 四段接力提示词 + 多图关键帧引导 + 三阶渲染打磨 的高质量图生视频应用。用户只需要上传一张 2×2 四宫格参考图，系统会自动拆成四张关键帧，并按照左上 → 右上 → 左下 → 右下的顺序控制视频推进。相比普通多图首尾帧，这版更适合做“一张四宫格直接生成一段连续剧情视频”，核心优势是：一图拆四段，四帧控剧情，VBVR增强运动逻辑，Dev-Dare提升整体成片质量。
这版的增强点在于 Dev-Dare 底座 + VBVR运动逻辑 + Crisp画质增强 + NAG条件增强。Dev-Dare 提供更强的视频生成基础，VBVR 让动作更连贯，Crisp 提升画面质感，NAG 让提示词约束更稳定，再配合三阶段采样、关键帧引导和 Latent Upsampler，适合做角色变身、动作推进、AI短剧分镜、首尾帧转场、四阶段剧情、电商动态展示和高冲击力封面视频。使用时建议重点控制三项：四宫格参考图决定画面变化，全局提示词（用来写整体画面规则）决定整体规则，分段提示词（写每个时间段的动作变化）决定每段动作和剧情。
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