/* VHS 播放器：90 年代录像带噪点、扫描线与追踪条 */
.video-window{width:720px!important}.video-window .window-content{padding:7px;background:#171a19}.vhs-player{background:#1c2322;color:#c9c6b6;font:11px 'Courier New',monospace}.vhs-stage{position:relative;height:390px;display:grid;place-items:center;overflow:hidden;background:#0a0a0a}.vhs-stage img{width:100%;height:100%;object-fit:cover;filter:contrast(.9) saturate(.72) brightness(.8) sepia(.08)}.vhs-stage img.zoom-in,.vhs-stage img.slow-zoom{animation:vhs-zoom 10s linear forwards}.vhs-stage img.vhs-distort{animation:vhs-distort .4s steps(4) infinite}.vhs-stage img.white-flash{filter:brightness(2.2)}.vhs-noise{position:absolute;inset:0;pointer-events:none;opacity:.16;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");animation:vhs-noise-shift .3s steps(3) infinite}.vhs-scanline{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(to bottom,transparent 0,transparent 3px,rgba(10,10,10,.24) 4px,transparent 5px)}.vhs-track{position:absolute;left:0;width:100%;height:19px;background:rgba(220,220,210,.1);animation:vhs-track-move 2.5s linear infinite}.vhs-stage strong{position:absolute;bottom:17px;left:17px;color:#ddd8c7;font:14px 'SimSun','宋体',serif;letter-spacing:2px;text-shadow:1px 1px #0a0a0a}.vhs-time{position:absolute;right:11px;top:9px;color:#ddd8c7}.vhs-status{padding:7px;border-top:1px solid #4e5652;color:#9c9e94}@keyframes vhs-noise-shift{50%{transform:translate(3px,-2px)}}@keyframes vhs-track-move{0%{top:-20px}100%{top:100%}}@keyframes vhs-zoom{to{transform:scale(1.16)}}@keyframes vhs-distort{50%{transform:translate(2px,-1px);filter:contrast(1.2) hue-rotate(8deg)}}
@media(max-width:760px){.video-window{width:calc(100vw - 105px)!important}.vhs-stage{height:290px}}