#hieu-ung{scroll-margin-top:80px}.led-card-media,.led-hero .vdn-arc-card{background:#0b1029}.led-card-media{position:relative}.led-card-play,.led-card-player{position:absolute;inset:0}.led-card-play{display:flex;width:100%;align-items:flex-end;justify-content:flex-end;padding:12px;cursor:pointer}.led-card-play:focus-visible{outline:3px solid var(--vdn-accent-strong);outline-offset:-3px}.led-card-play-icon{display:flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:999px;background:hsla(0,0%,100%,.92);box-shadow:0 10px 24px rgba(0,0,0,.3);color:var(--vdn-accent-strong);transition:transform .2s ease}.led-card-play:hover .led-card-play-icon{transform:scale(1.08)}.led-screens{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:center;gap:28px 36px;margin:0;padding:0;list-style:none}.led-screen{display:flex;flex-direction:column;align-items:center;text-align:center}.led-screen-frame{overflow:hidden;height:168px;border-radius:10px;background:#0b1029;box-shadow:var(--vdn-shadow)}.led-screen-frame img{display:block;width:100%;height:100%;object-fit:cover}.led-screen-label{margin-top:14px;font-size:16px}.led-screen-label strong{font-weight:600}.led-screen-label span{margin-left:4px;color:var(--vdn-text-3);font-size:13px}.led-screen-desc{max-width:230px;margin-top:2px;color:var(--vdn-text-2);font-size:14px;line-height:1.5}.led-stage{display:grid;align-items:center;gap:24px;margin-top:40px;padding:24px;border:1px solid var(--vdn-hair);border-radius:12px;background:var(--vdn-surface)}@media (min-width:900px){.led-stage{grid-template-columns:auto minmax(0,1fr);gap:36px}}.led-stage-row{display:flex;align-items:flex-end;justify-content:center;gap:14px}.led-stage-row .led-screen-frame{height:190px}.led-stage-body h3{margin:0 0 8px;font-size:20px;font-weight:600;line-height:1.3}.led-stage-body p{color:var(--vdn-text-2);font-size:15px;line-height:1.65}.led-slides{display:grid;gap:20px;margin:0;padding:0;list-style:none}@media (min-width:640px){.led-slides{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1024px){.led-slides{grid-template-columns:repeat(4,minmax(0,1fr))}}.led-slide-media{position:relative;overflow:hidden;margin-bottom:14px;border-radius:12px;background:#0b1029}.led-slide-media img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.led-slide-number{position:absolute;top:10px;left:10px;display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:999px;background:hsla(0,0%,100%,.92);color:#c4283b;font-size:13px;font-weight:600}.led-slide h3{margin:0 0 4px;font-size:17px;font-weight:600;line-height:1.35}.led-slide p{color:var(--vdn-text-2);font-size:14px;line-height:1.6}.led-family{display:grid;align-items:center;gap:28px}@media (min-width:900px){.led-family{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px}}.led-family-media{overflow:hidden;border-radius:12px;background:#3d0610;box-shadow:var(--vdn-shadow)}.led-family-media img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.led-family-body h2{margin:0 0 20px;font-size:clamp(28px,3.4vw,40px);line-height:1.15;letter-spacing:-.015em}.led-family-points{display:flex;flex-direction:column;gap:14px;margin:0;padding:0;list-style:none}.led-family-points li{display:flex;align-items:flex-start;gap:10px;color:var(--vdn-text-2);font-size:16px;line-height:1.6}.led-family-check{flex-shrink:0;margin-top:3px;color:var(--vdn-accent-text)}@media (max-width:640px){.led-screens{gap:22px 18px}.led-screen{width:calc(50% - 9px)}.led-screen-frame{height:104px}.led-stage{padding:18px}.led-stage-row{gap:8px}.led-stage-row .led-screen-frame{height:96px}}.led-hero .led-hero-desc{max-width:720px}