.light-source-principle{width:100%;max-width:660px;margin:0 auto}.light-source-principle svg{width:100%;height:auto;display:block}.light-source-principle .led-beam{stroke-dasharray:9 21;animation:2s linear infinite led-light-travel}.light-source-principle .led-beam-ir{animation-delay:-1s}.light-source-principle.is-paused .led-beam{animation-play-state:paused}.light-source-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:14px 0;display:flex}.light-source-controls span{letter-spacing:.06em;font-size:12px}.light-source-controls button{font:inherit;cursor:pointer;color:inherit;background:0 0;border:1px solid;border-radius:4px;padding:8px 12px;font-size:14px}.light-source-principle figcaption{font-size:13px;line-height:1.6}@keyframes led-light-travel{to{stroke-dashoffset:-60px}}@media (prefers-reduced-motion:reduce){.light-source-principle .led-beam{animation:none}}