:root{--paper:#f4f1e8;--surface:#fffdf8;--ink:#17251f;--muted:#596760;--line:#dce1d7;--green:#24735a;--blue:#4869b4;--orange:#bc571f}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--green);text-underline-offset:4px}a:hover{color:var(--orange)}img{max-width:100%;height:auto}button,a,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--orange);outline-offset:5px}.wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-100px;background:var(--ink);color:white;padding:10px;z-index:10}.skip:focus{top:10px}.site-header{display:flex;align-items:center;justify-content:space-between;padding-block:27px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:650;text-decoration:none;color:var(--ink);letter-spacing:-.7px}.brand span{font-weight:400;color:var(--muted);border-left:1px solid var(--line);padding-left:14px;margin-left:6px}.header-link{font-size:14px;text-decoration:none}.header-link span{margin-left:12px}.hero{padding-block:70px 60px}.eyebrow,.micro,.section-number{font-size:11px;font-weight:650;text-transform:uppercase;letter-spacing:1.5px}.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 25px}.dot{height:7px;width:7px;background:var(--green);border-radius:50%}h1,h2,.closing{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-2px}h1{font-size:clamp(52px,6.8vw,84px);line-height:1.06;max-width:950px;margin:0 0 27px}.dek{font-size:22px;line-height:1.5;max-width:770px;color:var(--muted);margin:0 0 24px}.byline{display:flex;flex-wrap:wrap;gap:12px 24px;color:var(--muted);font-size:12px}.byline span+span:before{content:"·";margin-right:24px}.hero-example{display:grid;grid-template-columns:1fr 40px 1fr;align-items:center;background:var(--ink);color:var(--surface);padding:32px 42px 22px;border-radius:18px;margin-top:38px}.hero-example .micro{color:#c1cdc2;font-size:10px}.hero-example p{margin:5px 0;font-family:Georgia,serif;font-size:28px;line-height:1.35;letter-spacing:-.6px}.hero-example strong{font-weight:400;border-bottom:2px solid #a7ccb6}.hero-example mark{background:transparent;color:#f1b489;border-bottom:2px solid #ce7854}.example-arrow{color:#afbeb2;font-size:26px}.hero-example .hero-caption{grid-column:1/-1;font:12px/1.5 -apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:0;color:#c1cdc2;border-top:1px solid #405347;padding-top:16px;margin-top:24px}.hero-caption a{color:#cfe7d7;margin-left:12px}.study-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:32px;padding-top:28px;border-top:1px solid var(--line)}.study-strip div{display:flex;align-items:baseline;gap:12px}.study-strip strong{font-size:24px;font-weight:500;letter-spacing:-1px;white-space:nowrap}.study-strip span{font-size:12px;color:var(--muted);line-height:1.35;max-width:115px}.article-layout{display:grid;grid-template-columns:180px minmax(0,1fr);gap:60px;align-items:start}.contents{position:sticky;top:30px;align-self:start}.contents .micro{color:var(--muted);margin-top:8px}.contents nav{display:flex;flex-direction:column;gap:13px;margin-top:23px}.contents a{font-size:12px;line-height:1.4;text-decoration:none;color:var(--muted)}.contents a:hover{color:var(--green)}.aside-note{font-size:11px;line-height:1.6;color:var(--muted);border-top:1px solid var(--line);padding-top:19px;margin-top:28px}.prose{min-width:0}.prose section{padding-bottom:55px;margin-bottom:20px;border-bottom:1px solid var(--line)}.prose p{max-width:780px;margin:0 0 23px}.prose .lead{font-size:24px;line-height:1.5;letter-spacing:-.5px}.prose strong{font-weight:650}.prose h2{font-size:41px;line-height:1.17;letter-spacing:-1.4px;margin:0 0 27px;max-width:790px}.prose h3{font-size:21px;line-height:1.35;letter-spacing:-.45px;margin:35px 0 16px}.prose .section-number{color:var(--green);font-size:10px;margin:0 0 18px}.takeaway-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}.takeaway{border:1px solid var(--line);border-top:3px solid var(--green);border-radius:10px;padding:19px;background:var(--surface)}.takeaway.apple{border-top-color:var(--blue)}.takeaway.qwen{border-top-color:var(--orange)}.takeaway .micro{display:block;font-size:9px;letter-spacing:.9px;line-height:1.5;min-height:27px;color:var(--muted)}.takeaway strong{display:block;font-size:22px;letter-spacing:-.8px;margin:12px 0}.takeaway p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.pipeline-diagram{display:grid;grid-template-columns:1fr 22px 1fr 22px 1fr;align-items:center;gap:12px;margin:32px 0;padding:26px;background:#e5eadf;border-radius:12px}.pipeline-diagram>div:not(.pipeline-branches){display:flex;flex-direction:column;gap:3px}.pipeline-diagram span{font-size:25px;color:var(--green)}.pipeline-diagram strong{font-size:14px}.pipeline-diagram small{font-size:11px;color:var(--muted)}.pipeline-diagram b{font-weight:400;color:var(--muted)}.pipeline-diagram .pipeline-branches{grid-column:1/-1;display:flex;justify-content:space-between;border-top:1px solid #ced8c9;padding-top:15px;margin-top:8px;gap:16px}.pipeline-branches span{font-size:11px;color:var(--muted)}.glossary{margin:28px 0}.glossary>div{display:grid;grid-template-columns:170px 1fr;border-top:1px solid var(--line);padding:16px 0;gap:18px}.glossary dt{font-weight:600;font-size:14px}.glossary dd{margin:0;font-size:14px;line-height:1.65;color:var(--muted)}.table-scroll{overflow-x:auto;margin:28px 0;max-width:100%}table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.55;text-align:left}caption{text-align:left;color:var(--muted);font-size:11px;margin-bottom:13px}th,td{padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:top}th:first-child,td:first-child{padding-left:0}thead th{font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);font-weight:650}tbody th{font-weight:600}table small{color:var(--muted);font-size:10px;font-weight:400}.engine-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px}.apple-bg{background:var(--blue)}.qwen-bg{background:var(--orange)}.phonon-bg{background:var(--green)}.dataset-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px;margin:35px 0}.dataset-grid>div{background:var(--surface);border-radius:12px;padding:24px;border:1px solid var(--line)}.dataset-grid .micro{font-size:9px;color:var(--muted)}.dataset-grid h3{margin:9px 0 13px;font-size:20px}.dataset-grid p{font-size:13px;line-height:1.65;margin-bottom:19px}.dataset-grid strong{font-size:11px;color:var(--green)}.method-details{padding:18px 22px;background:#e9ede3;border:1px solid var(--line);border-radius:10px;margin:28px 0}.method-details summary{cursor:pointer;font-size:14px;font-weight:600}.method-details p{font-size:13px;line-height:1.7;margin:17px 0 0}.score-explorer{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px 30px;margin:30px 0}.explorer-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.prose .explorer-top .micro{margin:0;color:var(--muted);font-size:9px}.language-control{display:flex;background:#e9ede4;border-radius:7px;padding:3px}.language-control button{cursor:pointer;border:0;background:none;color:var(--muted);font:600 11px -apple-system,BlinkMacSystemFont,sans-serif;padding:8px 12px;border-radius:5px}.language-control button[aria-pressed=true]{background:var(--ink);color:white}.prose .explorer-scope{font-size:11px;color:var(--muted);margin:20px 0 22px}.score-row{display:grid;grid-template-columns:123px 1fr 66px;align-items:center;column-gap:12px;row-gap:6px;margin-bottom:22px}.score-row:last-child{margin-bottom:6px}.score-name{font-size:12px;font-weight:600}.score-track{height:18px;background:#edf0e8;border-radius:3px;overflow:hidden}.score-fill{display:block;height:100%;transition:width .35s ease;border-radius:3px}.score-value{font-size:15px;font-variant-numeric:tabular-nums;text-align:right;font-weight:650}.score-detail{grid-column:2/-1;font-size:10px;color:var(--muted)}.explorer-foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px;margin-top:23px;font-size:10px;color:var(--muted)}.chart{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin:32px -12px;padding:16px 12px 19px}.chart img{display:block;width:100%}.chart figcaption{font-size:11px;line-height:1.6;color:var(--muted);padding:13px 14px 0;border-top:1px solid var(--line);margin-top:10px}.chart figcaption span{color:var(--ink);font-weight:650}.chart figcaption a{white-space:nowrap}.results-table{font-variant-numeric:tabular-nums}.results-table .winner td{background:#e8eee3}.results-table td:last-child{white-space:nowrap}code{background:#e6eadd;padding:2px 5px;border-radius:3px;font-size:.8em;overflow-wrap:anywhere}.transcript-example{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:23px 25px;margin:29px 0}.example-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:17px}.example-heading .micro{font-size:9px;color:var(--muted)}.issue-label{font-size:9px;color:#87431f;background:#f4e5d5;border-radius:5px;padding:4px 8px;white-space:nowrap}.transcript-line{display:grid;grid-template-columns:110px 1fr;gap:18px;border-top:1px solid var(--line);padding:16px 0}.transcript-line>span{font-size:11px;color:var(--muted)}.transcript-line p{font-family:Georgia,serif;font-size:19px;line-height:1.5;margin:0;letter-spacing:-.2px}.transcript-line p>span{font-family:-apple-system,BlinkMacSystemFont,sans-serif;font-size:12px;color:var(--muted);display:block;margin-top:8px}.prose mark{background:#f1d9bc;padding:0 3px;color:#813f16;border-radius:3px}.transcript-example audio{width:100%;height:36px;margin:9px 0 12px}.prose .audio-credit{font-size:10px;color:var(--muted);line-height:1.6;margin:0}.name-example{padding:22px 25px;border-radius:12px;background:#e9ede3;margin:30px 0}.name-example .micro{font-size:9px;color:var(--muted);margin-bottom:14px}.name-example .table-scroll{margin:0 0 16px}.name-example p:last-child{font-size:13px;margin:0}.pullquote{border-left:3px solid var(--orange);margin:33px 0;padding:3px 0 3px 25px}.pullquote p{font:26px/1.4 Georgia,serif;letter-spacing:-.6px;margin:0;max-width:620px}.recommendation-list{margin:32px 0}.recommendation-list>div{display:grid;grid-template-columns:38px 1fr;gap:17px;border-top:1px solid var(--line);padding:24px 0 4px}.recommendation-num{font:22px/1.4 Georgia,serif;color:var(--green)}.recommendation-list h3{margin:0 0 12px;font-size:19px}.recommendation-list p{font-size:15px;color:var(--muted)}.prose .closing{font-size:29px;line-height:1.45;letter-spacing:-.65px;max-width:750px;margin:32px 0 0}.download-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.button{display:flex;align-items:center;justify-content:space-between;gap:30px;border-radius:7px;padding:13px 18px;background:var(--ink);color:white;text-decoration:none;font-size:12px;font-weight:600}.button:hover{background:var(--green);color:white}.button.secondary{background:transparent;border:1px solid var(--line);color:var(--ink)}.prose .source-note{font-size:11px;line-height:1.75;color:var(--muted)}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-block:32px 45px;margin-top:30px}.site-footer .brand{font-size:17px}.site-footer p,.site-footer>a:last-child{font-size:11px;color:var(--muted);margin:0}.site-footer>a:last-child{text-decoration:none}
@media(min-width:1300px){.chart{margin-inline:-20px}}
@media(max-width:1000px){.article-layout{grid-template-columns:140px minmax(0,1fr);gap:35px}.takeaway-grid{grid-template-columns:1fr}.takeaway .micro{min-height:0}.takeaway strong{margin:8px 0;font-size:21px}.takeaway p br{display:none}.study-strip div{flex-direction:column;gap:3px}.chart{margin-inline:0}.hero-example p{font-size:24px}.prose h2{font-size:36px}}
@media(max-width:760px){body{font-size:16px;line-height:1.75}.wrap{width:calc(100% - 36px)}.site-header{padding-block:20px}.brand{font-size:17px}.brand img{width:25px}.brand span{font-size:13px;padding-left:10px;margin-left:2px}.header-link{font-size:11px}.hero{padding-block:42px 40px}h1{font-size:54px;letter-spacing:-2px}.dek{font-size:18px}.byline{gap:6px 13px;font-size:10px}.byline span+span:before{margin-right:13px}.hero-example{grid-template-columns:1fr;gap:15px;padding:24px}.hero-example p{font-size:25px}.example-arrow{display:none}.hero-example .hero-caption{margin-top:3px;padding-top:14px;font-size:11px}.hero-caption a{display:block;margin:8px 0 0}.study-strip{grid-template-columns:1fr 1fr;gap:22px}.study-strip strong{font-size:23px}.study-strip span{max-width:none}.article-layout{display:block}.contents{display:none}.prose .lead{font-size:21px}.prose h2{font-size:34px;letter-spacing:-1.1px}.prose h3{font-size:20px}.prose section{padding-bottom:36px;margin-bottom:30px}.takeaway-grid{gap:10px}.takeaway{padding:18px}.takeaway .micro{font-size:9px}.dataset-grid{grid-template-columns:1fr;gap:15px}.dataset-grid>div{padding:21px}.pipeline-diagram{gap:8px;padding:21px 15px;grid-template-columns:1fr 12px 1fr 12px 1fr}.pipeline-diagram strong{font-size:12px}.pipeline-diagram small{font-size:9px}.pipeline-diagram .pipeline-branches{flex-direction:column;gap:6px}.pipeline-branches span{font-size:10px}.glossary>div{grid-template-columns:1fr;gap:5px}.glossary dt{font-size:14px}.glossary dd{font-size:13px}.score-explorer{padding:21px 18px}.explorer-top{flex-direction:column;align-items:flex-start;gap:15px}.score-row{grid-template-columns:84px 1fr 56px;gap:7px}.score-name{font-size:11px}.score-value{font-size:13px}.explorer-foot{font-size:9px;gap:10px}.chart{padding:8px 6px 15px}.chart figcaption{padding-inline:9px;font-size:10px}.table-scroll table{min-width:520px}.name-example .table-scroll table{min-width:0}.table-scroll th,.table-scroll td{padding-block:10px}.method-details{padding:16px 18px}.transcript-example{padding:20px 17px}.example-heading{align-items:flex-start;flex-direction:column;gap:9px}.transcript-line{grid-template-columns:1fr;gap:6px;padding-block:13px}.transcript-line p{font-size:18px}.name-example{padding:20px 18px}.pullquote{padding-left:18px}.pullquote p{font-size:24px}.recommendation-list>div{grid-template-columns:28px 1fr;gap:12px}.recommendation-list h3{font-size:18px}.prose .closing{font-size:25px}.site-footer{flex-wrap:wrap;padding-block:26px;gap:14px}.site-footer p{order:3;width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.score-fill{transition:none}}
/* Long engine names and reproduction commands stay readable on narrow screens. */
.speech-guide .hero{padding-block:60px 38px}
.speech-guide .hero h1{font-size:clamp(44px,5.7vw,72px);line-height:1.12;letter-spacing:-1.8px}
.speech-guide .hero .dek{font-size:clamp(18px,1.8vw,21px);max-width:800px}
.speech-guide .prose section{padding-bottom:45px}
.takeaway.ultra{border-top-color:#8061a8}
.score-row{grid-template-columns:150px 1fr 66px}
.prose pre{max-width:100%;overflow-x:auto;padding:20px;background:#e6eadd;border-radius:10px;font-size:12px;line-height:1.7}
.prose pre code{padding:0;background:none;font-size:inherit;overflow-wrap:normal}
@media(max-width:760px){.score-row{grid-template-columns:94px 1fr 56px}.score-name{line-height:1.4}.prose pre{font-size:11px;padding:16px}}
@media print{.prose pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:8pt}.prose pre code{overflow-wrap:anywhere}}
@media print{.speech-guide .hero{padding-block:18px 22px;break-after:auto}.speech-guide .hero h1{font-size:34pt}.speech-guide .hero .dek{font-size:12pt}}
@media print{@page{size:A4;margin:16mm 15mm}body{font-size:10pt;background:white;-webkit-print-color-adjust:exact;print-color-adjust:exact}.wrap{width:100%;max-width:none}.site-header{padding:0 0 10px}.hero{padding:24px 0}.hero h1{font-size:43pt}.hero .dek{font-size:14pt}.hero-example{padding:20px 25px}.hero-example p{font-size:20pt}.study-strip{gap:12px}.article-layout{display:block}.contents,.header-link,.language-control,.skip,.site-footer>a:last-child,audio{display:none}.prose h2{font-size:25pt}.prose h3{font-size:15pt}.prose .lead{font-size:14pt}.prose p{max-width:none;margin-bottom:13px}.prose section{padding-bottom:20px;margin-bottom:22px}.chart{margin:18px 0;padding:8px;break-inside:avoid}.chart figcaption{font-size:8pt}.takeaway-grid{grid-template-columns:repeat(3,1fr)}.takeaway{padding:13px}.takeaway strong{font-size:15pt}.takeaway p{font-size:8pt}.takeaway .micro{font-size:7pt}.transcript-example,.name-example,.dataset-grid,.score-explorer,.pipeline-diagram,.glossary>div{break-inside:avoid}.table-scroll{overflow:visible}table{font-size:9pt}.table-scroll table{min-width:0}.method-details{font-size:9pt}.prose .closing{font-size:19pt}.site-footer{padding:20px 0;font-size:9pt}.prose .source-note{font-size:8pt}.download-actions{display:none}h2,h3,.section-number{break-after:avoid}p{orphans:3;widows:3}a{text-decoration:none}.hero,.study-strip{break-inside:avoid}.hero{break-after:page}.takeaway-grid,.table-scroll{break-inside:avoid}.chart figcaption a{display:none}}