.wheel-viewport {
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.wheel-track {
    display: flex;
    width: max-content;
    gap: 12px;
    will-change: transform;
}
.wheel-track.is-spinning {
    transition: transform 6.6s cubic-bezier(.22,.42,.12,1);
}
.wheel-prize-card {
    width: 156px;
    flex: 0 0 156px;
    overflow: hidden;
    border-radius: 22px;
}
@media (max-width: 640px) {
    .wheel-prize-card { width: 126px; flex-basis: 126px; }
}