/* 电影胶片散射模式：复用主页斜切网格 */
.stage.stage-filmstrip .stage-tiles {
    transform: rotate(-15deg) scale(1.3);
}
.stage.stage-filmstrip .stage-tile {
    will-change: transform, opacity;
}
.stage.stage-filmstrip::after {
    display: none;
}
/* 行动画全程运行，散射阶段tile自带内联transform覆盖 */
/* 暗角 */
.filmstrip-vignette {
    position: absolute;
    inset: 0;
    z-index: 1;
    box-shadow: inset 0 0 clamp(120px, 25vw, 300px) clamp(40px, 8vw, 100px) rgba(0,0,0,0.7);
    pointer-events: none;
    opacity: 0;
    will-change: opacity;
}