:root{color-scheme:dark;--bg:#101719;--surface:#172023;--line:#303d40;--text:#eef1e9;--muted:#9ba9ad;--mint:#c4e5b2;--amber:#efbd88;--real:#d0b6a1;--mono:Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.35;cursor:default}button,a,select,input{outline-offset:4px}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--mint)}[hidden]{display:none!important}.wrap{width:min(1720px,calc(100% - 64px));margin:auto}.skip{position:absolute;left:20px;top:-70px;background:var(--mint);color:var(--bg);padding:12px;z-index:9}.skip:focus{top:12px}.masthead{height:80px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{font-weight:650;letter-spacing:-.7px;font-size:20px;display:flex;gap:10px;align-items:center}.brand small{font:9px var(--mono);letter-spacing:1.7px;color:var(--muted);margin-left:10px}.brand-mark{display:flex;align-items:center;gap:3px;height:22px;transform:skewY(-14deg)}.brand-mark i{width:4px;height:100%;background:var(--mint)}.brand-mark i:nth-child(2){height:60%}.brand-mark i:nth-child(3){height:82%}.masthead nav{display:flex;gap:26px;color:#c7d0ce;font-size:12px}.masthead nav a:hover,a:hover{color:var(--mint)}.local{font:9px var(--mono);letter-spacing:1.2px;color:var(--muted)}.local i,.timeline-caption i{display:inline-block;width:5px;height:5px;background:var(--mint);border-radius:50%;margin-right:8px}.intro{padding:30px 0 24px;display:flex;justify-content:space-between;align-items:center}.eyebrow{font:10px var(--mono);letter-spacing:1.5px;color:var(--mint);margin:0 0 11px}.intro h1{font-size:clamp(25px,2.2vw,37px);font-weight:450;letter-spacing:-1.2px;margin:0}.recording{display:flex;align-items:center;gap:20px}.recording strong{font-size:31px;font-weight:400;font-variant-numeric:tabular-nums}.recording small{font-size:16px;color:var(--muted)}.recording>span{font-size:11px;color:var(--muted);max-width:130px;line-height:1.7}.workspace{border-top:1px solid var(--line);scroll-margin-top:20px}.mode-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:15px}.mode-tabs{display:flex;gap:5px}.mode-tabs button{background:none;border:1px solid transparent;color:var(--muted);padding:10px 14px;font-size:12px;border-radius:3px}.mode-tabs button[aria-pressed=true]{background:#27332f;border-color:#50624a;color:var(--mint)}.mode-tabs button:hover{color:var(--text)}.outcome{font:11px var(--mono);border:1px solid var(--line);padding:7px 10px;border-radius:3px}.outcome.fail{color:var(--amber);border-color:#72593f;background:#483a2725}.outcome.pass{color:var(--mint);border-color:#4d6446}.outcome.replay{color:#b8c4d9}.mode-context{display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);padding:13px 0 19px;line-height:1.6}.mode-context a{white-space:nowrap;color:#bbc8c6}.viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.camera-tabs,.segmented{display:flex;border:1px solid var(--line);padding:3px;background:#151d20;border-radius:4px;gap:3px}.camera-tabs button,.segmented button{border:0;background:none;color:var(--muted);padding:7px 14px;font-size:11px;border-radius:2px}.camera-tabs button[aria-pressed=true],.segmented button[aria-pressed=true]{background:var(--text);color:#182023}.view-options{display:flex;align-items:center;gap:9px}.tool-button{background:transparent;border:1px solid var(--line);color:var(--muted);padding:10px 12px;font-size:11px;border-radius:3px}.tool-button[aria-pressed=true]{color:var(--text);border-color:#62716a}.tool-button:hover{background:#253034}.viewer-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}.viewer-layout.with-overview{grid-template-columns:minmax(0,1fr) minmax(250px,25%)}.camera-stage{min-width:0}.camera-stage.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.camera-pair{min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:4px;overflow:hidden}.pair-title{display:flex;justify-content:space-between;align-items:center;padding:10px 13px;color:var(--muted);font-size:11px;border-bottom:1px solid var(--line)}.pair-title b{color:var(--text);font-weight:500}.pair-title button{background:none;border:0;color:var(--muted);font-size:10px}.feeds{display:grid;grid-template-columns:1fr 1fr}.feed{min-width:0;position:relative}.feed+.feed{border-left:1px solid var(--line)}.feed-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 13px;font-size:11px}.feed-title{display:flex;align-items:center;gap:7px}.feed-title i{width:5px;height:5px;border-radius:50%;background:var(--real)}.feed.sim .feed-title i{background:var(--mint)}.feed-header small{font:9px var(--mono);color:var(--muted)}.video-window{position:relative;aspect-ratio:var(--aspect,1.25);background:#080d0f;overflow:hidden}.video-window video{width:100%;height:100%;object-fit:contain;display:block}.video-badge{position:absolute;top:11px;left:11px;font:9px var(--mono);letter-spacing:1px;background:#101719c7;padding:5px 7px;border:1px solid #ffffff24;border-radius:2px;pointer-events:none}.media-empty{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#111b1ed9;padding:25px;text-align:center;gap:12px;color:var(--muted);font-size:11px;line-height:1.7}.media-empty>span{font-size:26px;color:#677b80}.media-empty.error{color:var(--amber)}.feed-footer{display:flex;justify-content:space-between;padding:8px 12px;font:9px var(--mono);color:var(--muted);gap:6px}.grid .pair-title{padding:8px 10px}.grid .feed-header{padding:8px 9px;font-size:10px}.grid .feed-header small{display:none}.grid .feed-footer{padding:6px 8px;font-size:8px}.grid .video-badge{font-size:8px;top:6px;left:6px}.overview-dock{border:1px solid var(--line);background:var(--surface);border-radius:4px;overflow:hidden;display:flex;flex-direction:column}.overview-head{padding:14px;display:flex;justify-content:space-between;align-items:center;font-size:12px}.overview-head small{font:9px var(--mono);color:var(--mint)}.overview-dock .video-window{aspect-ratio:16/10;flex:1;min-height:180px}.overview-dock .video-window video{object-fit:contain}.overview-description{padding:15px;border-top:1px solid var(--line)}.overview-description b{font-size:11px;font-weight:500}.overview-description p{font-size:10px;color:var(--muted);line-height:1.8;margin:8px 0 0}.overview-description a{display:inline-block;font-size:10px;margin-top:12px;color:var(--mint)}.transport{border:1px solid var(--line);border-radius:4px;background:#182124;margin-top:12px;padding:15px 18px 12px}.transport-row,.playback,.transport-right{display:flex;align-items:center;gap:15px}.transport-row{justify-content:space-between}.play{display:flex;align-items:center;gap:11px;background:var(--mint);color:#17211a;border:0;padding:10px 19px;border-radius:3px;font-size:12px;font-weight:600}.step{background:none;color:var(--text);border:0;font-size:13px;padding:8px}.clock{display:flex;gap:8px;align-items:center;font:12px var(--mono)}.clock>b{font-weight:500}.clock>span{color:var(--muted)}.frame-number{font:9px var(--mono);color:#7f9298;margin-left:7px}.sync-state{font-size:10px;color:var(--muted)}.transport select{border:1px solid var(--line);background:#111a1d;color:var(--text);padding:7px;font:11px var(--mono);border-radius:3px}.scrubber{position:relative;margin:12px 0 9px;height:18px}.scrubber input{width:100%;margin:0;height:18px;accent-color:var(--mint);position:relative;z-index:2;cursor:pointer;background:none}.scrubber #phase-marks{position:absolute;inset:0;pointer-events:none}.scrubber #phase-marks i{position:absolute;top:7px;height:4px;width:2px;background:#17211a;z-index:3}.timeline-caption{display:flex;justify-content:space-between;color:#c0cfca;font-size:10px;gap:15px}.shortcuts{color:#70858b}.shortcuts b{font:10px var(--mono);margin:0 6px 0 12px;color:#94a7ac}.phase-navigation{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:13px}.phase-navigation button{display:flex;align-items:center;gap:10px;text-align:left;background:none;border:0;border-top:2px solid var(--line);color:var(--muted);padding:12px 0;font-size:11px}.phase-navigation button b{font:9px var(--mono);color:#6b8389}.phase-navigation button[aria-current=true]{border-color:var(--mint);color:var(--mint)}.viewer-footnote{font-size:10px;color:#778e95;margin:3px 0 0}.global-message{border:1px solid #70583f;padding:10px 14px;color:var(--amber);font-size:11px;margin-bottom:12px}.findings{padding:70px 0 45px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:25px}.section-title h2{margin:0;font-size:27px;font-weight:450;letter-spacing:-.6px}.section-title>a{font-size:11px;color:var(--muted)}.finding-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:4px}.finding-grid article{padding:25px;border-right:1px solid var(--line)}.finding-grid article:last-child{border:0}.finding-label{font-size:10px;color:var(--muted)}.finding-grid strong{font-size:24px;font-weight:450;display:block;margin:16px 0}.amber{color:var(--amber)}.mint{color:var(--mint)}.finding-grid p{font-size:12px;line-height:1.9;color:#a7b7b9;max-width:390px}.finding-grid a{font-size:10px;color:var(--mint);display:inline-block;margin-top:10px}.evidence-detail{border:1px solid var(--line);margin-top:14px;border-radius:4px}.evidence-detail summary{padding:18px 22px;cursor:pointer;font-size:12px}.evidence-detail summary span{float:right;font-size:10px;color:var(--muted)}.detail-body{padding:0 22px 18px;font-size:12px;line-height:1.9;color:var(--muted)}.evidence-links{display:flex;flex-wrap:wrap;gap:12px 25px;color:var(--mint);font-size:11px}.footer{border-top:1px solid var(--line);margin-top:60px;padding:25px 0 35px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.workspace:fullscreen{background:var(--bg);padding:20px 28px;overflow:auto;max-height:100vh}.workspace:fullscreen .video-window{max-height:60vh}.workspace:fullscreen .viewer-layout.with-overview{grid-template-columns:minmax(0,1fr) 25%}.workspace:fullscreen .camera-stage.grid .video-window{max-height:26vh}.workspace:fullscreen .mode-context{padding-bottom:10px}
#method{margin-top:25px;padding-top:30px;border-top:1px solid var(--line);font-size:13px;line-height:1.85;color:#b6c5c8}#method h2{font-size:30px;font-weight:450;color:var(--text)}#method h3{color:var(--text);font-weight:500}#method a{color:var(--mint)}#method img{max-width:100%;height:auto;border-radius:4px;background:#fff}#method figure{margin:24px 0}#method figcaption{font-size:11px;color:var(--muted)}#method details{margin:16px 0;padding:0 20px;border:1px solid var(--line);border-radius:4px}#method summary{cursor:pointer;padding:15px 0;color:var(--text)}#method table{border-collapse:collapse;width:100%;font-size:11px}#method th,#method td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}#method th{color:var(--text)}#method .method-table-wrap{overflow:auto}#method pre{white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:1200px){.wrap{width:calc(100% - 40px)}.brand small,.local{display:none}.viewer-layout.with-overview{grid-template-columns:minmax(0,1fr) 235px}.feed-header small{display:none}.camera-tabs button{padding:7px 10px}.frame-number{display:none}.overview-description{padding:12px}.masthead nav{gap:20px}.recording{gap:12px}.recording>span{font-size:10px}.view-options{gap:6px}}
@media(max-width:850px){.wrap{width:calc(100% - 28px)}.masthead{height:65px}.masthead nav{gap:16px;font-size:10px}.masthead nav a:nth-child(3){display:none}.brand{font-size:17px}.intro{padding:25px 0 20px}.intro h1{font-size:24px}.recording{display:none}.mode-bar{align-items:start;gap:10px}.mode-tabs button{font-size:10px;padding:9px}.outcome{font-size:9px;padding:7px}.mode-context{font-size:10px}.viewer-toolbar{align-items:stretch;flex-direction:column;gap:9px}.camera-tabs{justify-content:space-between}.camera-tabs button{flex:1;font-size:11px}.view-options{justify-content:flex-end}.viewer-layout.with-overview{grid-template-columns:minmax(0,1fr)}.overview-dock{display:grid;grid-template-columns:1fr 1fr}.overview-head{grid-column:1/-1;padding:10px 12px}.overview-dock .video-window{min-height:0;aspect-ratio:16/9}.overview-description{border:0;padding:8px 14px}.overview-description p{font-size:10px}.transport{padding:12px}.playback{gap:6px}.play{padding:9px 13px}.clock{font-size:10px}.transport-right{gap:8px}.sync-state{font-size:9px}.shortcuts{display:none}.phase-navigation{gap:6px}.phase-navigation button{font-size:9px;gap:5px}.phase-navigation button b{display:none}.feed-header{font-size:10px;padding:10px}.feed-footer{font-size:8px}.camera-stage.grid{gap:7px}.grid .feed-header{font-size:8px;padding:7px 6px}.grid .pair-title{font-size:9px}.grid .feed-footer{display:none}.finding-grid{grid-template-columns:1fr}.finding-grid article{border-right:0;border-bottom:1px solid var(--line)}.findings{padding-top:45px}.section-title h2{font-size:23px}.section-title{display:block}.section-title>a{display:inline-block;margin-top:15px}.footer{gap:20px;flex-wrap:wrap}.footer>span:nth-child(2){display:none}.workspace:fullscreen{padding:12px}.workspace:fullscreen .viewer-layout.with-overview{grid-template-columns:minmax(0,1fr)}.workspace:fullscreen .overview-dock{display:none}#method{font-size:12px}#method table{min-width:700px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.connected-summary{padding:16px 24px;margin:0 0 24px;border:1px solid #36564c;border-radius:12px;background:#172b25}.connected-summary p{margin:6px 0;line-height:1.65}.connected-summary a{color:#8ed9c0}.connected-summary strong{color:#c6f2df}