:root{color-scheme:light;--ink:#161616;--muted:#626262;--line:#d4d4d4;--paper:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:75px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 Arial,"Noto Sans CJK SC",sans-serif}a{color:inherit;text-underline-offset:4px}button,select,input{font:inherit}button,select,.button{border:1px solid #999;background:white;color:var(--ink);border-radius:0;padding:7px 13px;cursor:pointer}button:hover,.button:hover{background:#efefef}button.primary,.button.primary{background:var(--ink);color:white;border-color:var(--ink)}button:disabled{opacity:.5;cursor:wait}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid #111;outline-offset:4px}nav{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.nav-inner{max-width:1460px;margin:auto;padding:12px 34px;display:flex;align-items:center;justify-content:space-between;gap:18px}.wordmark{font:600 16px Georgia,serif;letter-spacing:.03em;text-decoration:none}.nav-links{display:flex;gap:24px;font-size:12px}.nav-links a{text-decoration:none}.hero{max-width:940px;margin:64px auto 46px;text-align:center;padding:0 24px}.eyebrow,.section-kicker{font:11px/1.5 "Courier New",monospace;letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}h1,h2,h3{font-family:Georgia,"Noto Serif CJK SC","Songti SC",serif;font-weight:400;line-height:1.22}h1{font-size:clamp(35px,4.5vw,60px);letter-spacing:-.035em;margin:20px 0 14px}h1 span{display:block;font-size:.60em;letter-spacing:-.01em;margin-top:12px}.subtitle{font-size:17px;color:#444;letter-spacing:.08em}.byline{font:12px "Courier New",monospace;color:var(--muted);margin:20px 0 28px}.resource-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.button{text-decoration:none;display:inline-block;font-size:13px}.abstract{max-width:900px;margin:0 auto 45px;padding:24px 30px;border-top:1px solid #222;border-bottom:1px solid var(--line)}.abstract h2{font-size:21px;margin:0 0 12px}.abstract p{margin:0;text-align:justify;color:#444}.facts{display:grid;grid-template-columns:repeat(4,1fr);max-width:900px;margin:0 auto 65px;text-align:center}.fact{border-right:1px solid var(--line)}.fact:last-child{border:0}.fact strong{display:block;font:30px Georgia,serif}.fact span{font-size:11px;letter-spacing:.05em;color:var(--muted)}main{max-width:1460px;margin:auto;padding:0 34px}.section-title{display:flex;justify-content:space-between;align-items:baseline;border-bottom:2px solid #222;margin:45px 0 20px;padding-bottom:12px;gap:20px}.section-title h2{font-size:29px;margin:0}.section-title span{font:11px "Courier New",monospace;color:var(--muted)}.method-copy{max-width:1000px;color:#444}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;min-width:670px}th{text-align:left;font-weight:600;border-bottom:1px solid #222;padding:12px}td{padding:12px;border-bottom:1px solid #ddd}td:first-child{white-space:nowrap}.note{font-size:12px;color:var(--muted)}.jump-list{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.jump-list a{font-size:12px;border:1px solid var(--line);padding:5px 10px;text-decoration:none}.sample{border-bottom:1px solid #aaa;padding:28px 0 38px;scroll-margin-top:25px}.sample-head{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:16px}.sample h3{font-size:26px;margin:7px 0}.sample h3 em{font-size:18px;font-style:normal;color:var(--muted);margin-left:12px}.sample-no{font:11px "Courier New",monospace;color:var(--muted);letter-spacing:.1em}.sample-id{font:11px "Courier New",monospace;color:var(--muted)}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:17px;font-size:12px}.toolbar button{font-size:12px}.toolbar label{display:flex;align-items:center;gap:7px}.toolbar select{padding:7px;font-size:12px;max-width:160px}.toolbar .scrub{flex:1;min-width:100px;max-width:240px;accent-color:#222}.time{font:11px "Courier New",monospace;min-width:88px}.play-status{color:var(--muted);font-size:12px}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.video-card{min-width:0;margin:0}.video-card figcaption{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-top:1px solid #222;font-size:12px;font-weight:600}.video-card figcaption span{font:10px "Courier New",monospace;color:var(--muted)}video{display:block;width:100%;aspect-ratio:1280/704;background:#080808;object-fit:contain}.video-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:6px}.video-meta a{font-size:11px}.sample details{margin-top:19px;border-top:1px solid #e3e3e3;padding-top:10px}.sample summary{font-size:12px;cursor:pointer}.sample pre{font:12px/1.8 "Courier New",monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:#f7f7f7;padding:20px;max-height:430px;overflow:auto}.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;margin-top:22px}.check{border-bottom:1px solid #ddd;padding:13px 0;display:flex;justify-content:space-between;gap:20px;font-size:13px}.check b{font:11px "Courier New",monospace}.provenance{font-size:12px;overflow-wrap:anywhere;color:#555;padding:25px 0}.provenance code{font-size:11px}.foot{max-width:1460px;margin:30px auto 0;padding:24px 34px 40px;border-top:1px solid #222;display:flex;justify-content:space-between;font-size:11px;color:var(--muted);gap:20px}dialog{width:min(1420px,96vw);max-width:none;border:1px solid #222;padding:26px;max-height:94vh;overflow:auto}dialog::backdrop{background:rgba(0,0,0,.7)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:15px}.dialog-head h2{font-size:25px;margin:0}.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}.pair-grid label{display:block;font-size:12px}.pair-grid select{width:100%;margin:8px 0}dialog .toolbar{margin:18px 0 0}.dialog-note{font-size:12px;color:var(--muted)}@media(min-width:1800px){main,.nav-inner,.foot{max-width:1650px}}@media(max-width:950px){.video-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{margin-top:45px}.sample-head{align-items:start;flex-direction:column}.sample-id{display:none}.facts{margin-bottom:40px}.section-title span{display:none}}@media(max-width:600px){main{padding:0 18px}.nav-inner{padding:12px 18px}.nav-links{gap:13px;font-size:11px}.wordmark{font-size:14px}.hero{margin:35px auto 28px}.abstract{margin:0 18px 25px;padding:20px 0;font-size:13px}.facts{margin:0 18px 32px}.fact strong{font-size:25px}.fact span{font-size:10px}.section-title h2{font-size:25px}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 10px}.video-card figcaption{font-size:11px}.video-card figcaption span{display:none}.sample h3{font-size:23px}.sample h3 em{display:block;margin:5px 0 0;font-size:17px}.toolbar{gap:7px}.toolbar .scrub{max-width:none}.checks,.pair-grid{grid-template-columns:1fr}.check{font-size:12px}.foot{padding:20px 18px;flex-direction:column}.pair-grid{gap:8px}dialog{padding:16px}.dialog-head h2{font-size:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.metric-line{font:11px/1.6 Arial,sans-serif;margin:7px 0;color:#333}.video-card figcaption{flex-wrap:wrap;gap:3px}.video-meta{flex-wrap:wrap;gap:3px}

.video-card figcaption{min-height:58px;align-content:center}.video-card figcaption span{display:block;width:100%}@media(min-width:951px) and (max-width:1250px){.video-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){.video-card figcaption{min-height:42px}.video-card figcaption span{display:none}}

/* Keep the new combined schedule above the existing comparison grid. */
.featured-combined { grid-column: 1 / -1; width: min(100%, 960px); justify-self: center; }
.featured-combined video { max-height: 528px; object-fit: contain; }
.featured-combined figcaption { font-weight: 700; }
/* Portable Chinese font */
@font-face{font-family:"H3 CJK";src:url("h3-cjk.woff2") format("woff2");font-display:swap;unicode-range:U+80-10FFFF}body{font-family:"H3 CJK",Arial,"Noto Sans CJK SC",sans-serif}h1,h2,h3{font-family:Georgia,"H3 CJK","Noto Serif CJK SC","Songti SC",serif}