@font-face{font-family:Manrope;src:url('assets/manrope-regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Manrope;src:url('assets/manrope-bold.ttf') format('truetype');font-weight:600 800;font-display:swap}
:root{--paper:#fafbfc;--white:#fff;--ink:#18232c;--muted:#65717c;--line:#dce2e8;--blue:#2547ed;--blue-dark:#1633c5;--blue-light:#eff2ff;--lime:#d4fa79;--navy:#152432;--serif:Georgia,'Times New Roman',serif;--sans:Manrope,-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;--mono:'SFMono-Regular',Consolas,'Liberation Mono',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;font-size:1rem}a{color:inherit;text-underline-offset:4px}button,a{-webkit-tap-highlight-color:transparent}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:var(--lime);color:var(--ink)}.page-width{max-width:1320px;margin-inline:auto;padding-inline:56px}.blue{color:var(--blue)}.skip-link{position:fixed;top:-80px;left:20px;background:var(--ink);color:#fff;padding:16px;z-index:100}.skip-link:focus{top:15px}.reading-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:60}.reading-progress span{display:block;width:0;height:100%;background:var(--blue)}.site-header{position:sticky;top:0;background:rgba(250,251,252,.94);backdrop-filter:blur(16px);z-index:50;border-bottom:1px solid var(--line)}.header-inner{max-width:1320px;margin:auto;padding:21px 56px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:1.4375rem;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:32px;height:32px;color:var(--lime);background:var(--blue);font-size:1.5rem;line-height:1;border-radius:6px;letter-spacing:-2px;padding-right:2px}.brand-separator{font-size:1.375rem;color:#bac1cb;font-weight:400;margin:0 7px}.brand-detail{font-family:var(--mono);font-size:0.6875rem;font-weight:400;letter-spacing:1.3px}.site-header nav{display:flex;align-items:center;gap:29px;font-size:0.8125rem;font-weight:600}.site-header nav a{text-decoration:none}.site-header nav a:hover{color:var(--blue)}.nav-github{display:flex;align-items:center;gap:8px}.nav-github svg{width:17px;height:17px}.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:65px;padding-top:71px;padding-bottom:65px}.eyebrow{font:0.6875rem/1.5 var(--mono);letter-spacing:1.6px;display:flex;align-items:center;gap:10px}.edition{display:inline-grid;place-items:center;color:var(--blue);background:var(--blue-light);width:25px;height:25px;font-size:0.625rem}.edition-line{height:1px;background:var(--line);flex:1;max-width:82px}.hero h1{font-size:clamp(3.75rem,6.3vw,5.3125rem);font-weight:600;line-height:1.045;letter-spacing:-5.5px;margin:24px 0 27px}.hero h1 em{font-family:var(--serif);font-weight:400;color:var(--blue);letter-spacing:-4px}.hero-subtitle{font-size:1.25rem;font-weight:600;line-height:1.55;letter-spacing:-.45px;margin:0 0 16px}.hero-description{font-size:0.9375rem;line-height:1.75;color:var(--muted);margin:0 0 26px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:12px 20px;gap:8px;border:1px solid transparent;border-radius:5px;font-size:0.8125rem;font-weight:700;line-height:1.4;text-decoration:none;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--blue);color:white}.primary:hover{background:var(--blue-dark)}.secondary{background:transparent;border-color:#ccd3dc;color:var(--ink)}.secondary:hover{background:#eef1f5}.hero-byline{display:flex;align-items:center;gap:11px;margin-top:29px;font-size:0.6875rem;line-height:1.9;color:var(--muted)}.hero-byline strong{font-weight:600;color:var(--ink)}.author-avatar{position:relative;display:inline-block;width:48px;height:48px;min-width:48px;max-width:48px;min-height:48px;max-height:48px;flex:0 0 48px;border:1px solid var(--line);border-radius:50%;overflow:hidden;background:#e9f0f6;vertical-align:middle}.author-avatar img{position:absolute;display:block;width:192px;height:144px;max-width:none;left:-107.52px;top:-45.12px}.meta-dot{margin:0 4px}.hero-visual{align-self:center;padding-top:12px}.diagram-caption{display:flex;justify-content:space-between;font:0.625rem/1.5 var(--mono);letter-spacing:1.1px;color:var(--muted);padding-bottom:17px;border-bottom:1px solid var(--line)}.policy-diagram{padding:35px 21px 27px;position:relative;background-image:radial-gradient(#cbd2e0 .8px,transparent .8px);background-size:16px 16px}.policy-stack{position:relative;height:206px;max-width:365px;margin:auto}.policy-sheet{position:absolute;border:1px solid #c9d0e3;border-radius:6px;background:#fff;padding:17px 21px;width:100%;box-shadow:0 4px 18px #12233204}.sheet-back{top:0;transform:rotate(-7deg);background:#ecf0ff;height:166px;color:#7680a9}.sheet-mid{top:12px;transform:rotate(5deg);background:#f4f6ff;height:165px;color:#7680a9}.sheet-back>span,.sheet-mid>span{font:0.625rem var(--mono);letter-spacing:1px}.sheet-back i,.sheet-mid i{display:block;width:55%;height:5px;background:#dbe1f2;margin:14px 0}.sheet-front{top:27px;transform:rotate(-1deg);border-top:3px solid var(--blue)}.sheet-top{display:flex;gap:8px;align-items:center;font:0.625rem var(--mono);letter-spacing:.7px;color:var(--blue)}.mini-grid{font-size:1rem}.sheet-front b{display:block;font-size:1.125rem;letter-spacing:-.5px;margin:12px 0}.policy-item{display:flex;gap:11px;font-size:0.6875rem;line-height:1.95}.policy-item>span{font-family:var(--mono);font-size:0.5625rem;color:#8792a5}.connector{display:flex;justify-content:center;align-items:center;gap:10px;position:relative}.connector-one{height:48px;flex-direction:column;gap:4px}.connector span{width:1px;background:#9daacd;height:11px}.connector small{font:0.5rem var(--mono);letter-spacing:1px;color:#697898}.reasoner{background:var(--navy);color:white;display:flex;align-items:center;gap:14px;max-width:400px;margin:auto;padding:21px 20px;border-radius:7px;box-shadow:0 10px 25px #102d4820}.reasoner-icon{color:var(--lime);font-size:2.4375rem;font-weight:800;letter-spacing:-3px;line-height:1}.reasoner b{font-size:1.5625rem;letter-spacing:.7px}.reasoner div>span{display:block;font-size:0.5625rem;color:#b8c4d5;margin-top:3px}.reasoner-tag{margin-left:auto;color:var(--lime);font:0.5rem var(--mono);letter-spacing:1px;border:1px solid #536541;padding:6px}.connector-two{height:30px}.connector-two span{height:30px}.outputs{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.outputs>div{position:relative;padding:14px 12px;background:#fff;border:1px solid #d6dcea;border-radius:5px}.output-number{font:0.5625rem var(--mono);color:#71829b}.outputs b{display:block;margin:8px 0 5px;font-size:0.75rem}.outputs small{font-size:0.5625rem;color:var(--muted)}.visual-footnote{padding-top:18px;text-align:center;font-size:0.6875rem;letter-spacing:.1px;color:var(--muted)}.bracket{font-family:var(--mono);color:var(--blue);padding:0 7px}.fact-strip{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.1fr;align-items:center;gap:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-top:25px;padding-bottom:25px}.fact-heading{font:0.625rem/1.7 var(--mono);letter-spacing:.8px}.fact-heading>span{color:var(--muted)}.fact-strip>div:not(:first-child){display:flex;align-items:baseline;gap:10px}.fact-strip strong{font-size:2.375rem;font-weight:500;letter-spacing:-2px}.fact-strip div>span:not(.fact-heading>span){font-size:0.625rem;color:var(--muted);max-width:76px;line-height:1.5}.fact-strip>a{font-size:0.6875rem;text-decoration:none;border-left:1px solid var(--line);padding-left:25px}.fact-strip>a>span{display:block;font:0.5625rem var(--mono);color:var(--muted);margin-top:6px}.article-layout{display:grid;grid-template-columns:225px minmax(0,1fr);gap:69px;padding-top:82px}.contents-inner{position:sticky;top:115px}.contents .eyebrow{font-size:0.625rem;color:var(--muted);margin:0 0 23px}.contents nav{display:flex;flex-direction:column;border-left:1px solid var(--line)}.contents nav a{display:flex;gap:11px;padding:10px 0 10px 14px;font-size:0.6875rem;text-decoration:none;color:var(--muted);border-left:2px solid transparent;margin-left:-1px}.contents nav a>span{font:0.5625rem/1.8 var(--mono);color:#8a96a6}.contents nav a.active{color:var(--blue);border-color:var(--blue);font-weight:700}.contents nav a:hover{color:var(--blue)}.sidebar-note{margin-top:45px;border-top:1px solid var(--line);padding-top:25px;max-width:176px}.small-cross{font-size:1.75rem;line-height:1;color:var(--blue)}.sidebar-note p{font-size:0.8125rem;line-height:1.75;color:var(--muted)}.sidebar-note em{font-family:var(--serif);font-size:1rem;color:var(--ink)}.sidebar-paper{display:inline-block;font-size:0.625rem;color:var(--muted);margin-top:15px}.article-section{padding-bottom:77px;margin-bottom:77px;border-bottom:1px solid var(--line);scroll-margin-top:100px}.section-kicker{font:0.625rem/1.5 var(--mono);letter-spacing:1.7px;color:var(--blue);margin:0 0 18px}.article-section h2{font-size:2.6875rem;line-height:1.18;letter-spacing:-1.8px;font-weight:600;margin:0 0 28px;max-width:740px}.article-section>p:not(.section-kicker),.prose p{font-size:1rem;line-height:1.95;color:#4a5662;margin:20px 0;max-width:720px}.article-section>p.lead{font-size:1.25rem;line-height:1.65;color:var(--ink);letter-spacing:-.3px}.article-section strong{font-weight:700;color:var(--ink)}.article-section blockquote{font-size:2.0625rem;line-height:1.45;letter-spacing:-.7px;margin:34px 0;padding:25px 0 25px 27px;border-left:3px solid var(--blue);color:var(--ink)}.article-section blockquote em{font-family:var(--serif);color:var(--blue);font-size:2.375rem;font-weight:400}.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:23px;margin:35px 0}.task-grid>div{border-top:1px solid var(--line);padding-top:20px}.task-icon{display:grid;place-items:center;width:30px;height:30px;border:1px solid #cbd4fa;color:var(--blue);font-family:var(--mono);font-size:0.75rem;background:var(--blue-light)}.task-grid h3{font-size:0.875rem;letter-spacing:-.2px;margin:16px 0 8px}.task-grid p{font-size:0.75rem;line-height:1.8;color:var(--muted);margin:0}.site-footer{border-top:1px solid var(--line);padding-block:34px;display:flex;align-items:center;gap:35px}.site-footer p{font-size:0.6875rem;line-height:1.8;margin:0}.site-footer p span{color:var(--muted)}.site-footer>a:last-child{margin-left:auto;font-size:0.6875rem}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);background:var(--navy);color:white;font-size:0.8125rem;padding:13px 20px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:80}.toast.visible{opacity:1;transform:translate(-50%,0)}
.policy-lab{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:33px 0}.lab-topline{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 25px;border-bottom:1px solid var(--line)}.lab-topline .eyebrow{margin:0;color:var(--blue)}.lab-label{font-size:0.6875rem;color:var(--muted)}.lab-prompt{padding:27px 28px;background:#f6f8fc}.code-label{font:0.625rem/1.6 var(--mono);letter-spacing:1px;color:#748095}.lab-prompt p{font-family:var(--serif);font-size:1.5625rem;line-height:1.55;margin:15px 0 0;letter-spacing:-.2px}.policy-choices{display:grid;grid-template-columns:1fr 1fr;padding:21px 25px;gap:10px;border-block:1px solid var(--line)}.policy-choice{border:1px solid var(--line);border-radius:5px;padding:14px 15px;text-align:left;background:white;font-size:0.8125rem;font-weight:600;line-height:1.5;color:var(--muted);transition:background .2s,border .2s}.policy-choice>span{display:block;font:0.5625rem var(--mono);letter-spacing:1px;margin-bottom:6px}.policy-choice.selected{background:var(--blue-light);border-color:var(--blue);color:var(--blue)}.policy-choice:hover{border-color:#9cadff}.lab-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;padding:25px}.lab-grid h3{font-size:1rem;letter-spacing:-.4px;margin:12px 0}.lab-grid p{font-size:0.8125rem;line-height:1.85;color:var(--muted);margin:9px 0 0}.lab-output{border-left:1px solid var(--line);padding-left:25px}.output-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:16px}.decision-badge{font:0.6875rem var(--mono);border-radius:4px;padding:5px 8px}.decision-badge.unsafe{background:#fff1e8;color:#a44711}.decision-badge.safe{background:#eaf7d4;color:#3b6712}.lab-output>code{font-family:var(--mono);font-size:0.6875rem;line-height:1.9;overflow-wrap:anywhere;display:block;color:var(--ink)}.lab-disclaimer{padding:16px 25px;margin:0;border-top:1px solid var(--line);font-size:0.6875rem;line-height:1.7;color:var(--muted)}.prompt-anatomy{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:30px 0}.prompt-anatomy>div{border:1px solid var(--line);padding:16px 13px;background:white;border-radius:5px}.prompt-anatomy>div.variable{background:var(--blue-light);border-color:#a6b5ff}.prompt-anatomy span{font:0.5625rem var(--mono);letter-spacing:.5px;color:var(--muted)}.prompt-anatomy .variable span{color:var(--blue)}.prompt-anatomy b{display:block;font-size:0.9375rem;margin:14px 0 5px}.prompt-anatomy small{font-size:0.625rem;color:var(--muted)}.training-panel{background:var(--navy);border-radius:8px;margin:28px 0 32px;padding:29px 32px;color:#fff}.training-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:26px;border-bottom:1px solid #354450}.training-heading .eyebrow{font-size:0.625rem;color:#bdcbd6}.training-mini{font:0.625rem var(--mono);color:var(--lime)}.training-step{display:grid;grid-template-columns:33px 1fr;gap:20px;margin-top:29px}.step-number{width:30px;height:30px;display:grid;place-items:center;border:1px solid #5d7241;border-radius:50%;color:var(--lime);font:0.6875rem var(--mono)}.training-stage{font:0.5625rem/1.6 var(--mono);letter-spacing:1px;color:var(--lime)}.training-step h3{font-size:1.3125rem;letter-spacing:-.5px;font-weight:600;line-height:1.4;margin:10px 0 13px}.training-step p{font-size:0.8125rem;line-height:1.9;color:#bccad4;margin:0}.training-step strong{color:#fff}.reward-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.reward-tags>span{font:0.625rem var(--mono);padding:7px 9px;border:1px solid #4b5b65;border-radius:4px;color:#d5e2ea}.training-bottom{border-top:1px solid #354450;margin-top:29px;padding-top:22px}.training-bottom>span{font:0.5625rem var(--mono);letter-spacing:1px;color:#8ca0ae}.training-bottom p{font-size:0.6875rem;line-height:1.8;color:#becbd5;margin:10px 0 0}.article-section>p>code{font:0.75rem var(--mono);background:#eaf0f7;border-radius:3px;padding:3px 5px;overflow-wrap:anywhere;color:#324561}.figure-details{border-block:1px solid var(--line);margin-top:27px;background:#fff}.figure-details summary{list-style:none;cursor:pointer;font-size:0.8125rem;line-height:1.6;font-weight:600;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:15px}.figure-details summary::-webkit-details-marker{display:none}.details-icon{font-size:1.3125rem;font-weight:400;color:var(--blue);transition:transform .2s}.figure-details[open] .details-icon{transform:rotate(45deg)}.figure-details figure{margin:0;padding:0 20px 20px}.figure-details img{width:100%;height:auto;display:block;border:1px solid #edf0f3}.figure-details figcaption,.entropy-figure figcaption{font-size:0.6875rem;line-height:1.8;color:var(--muted);margin-top:14px}.figure-details figcaption a,.chart-source a,.detail-source a,.article-colophon a{color:#4356a2}.results-panel{background:#fff;border:1px solid var(--line);border-radius:9px;margin:32px 0;padding:25px 26px}.results-heading{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}.results-heading .eyebrow{font-size:0.625rem;color:var(--blue)}.results-heading h3{font-size:1.375rem;letter-spacing:-.6px;line-height:1.4;margin:13px 0 23px}.figure-index{font:0.625rem var(--mono);color:var(--muted)}.chart-controls{display:flex;flex-wrap:wrap;align-items:flex-end;gap:13px;border-block:1px solid var(--line);padding:16px 0;margin-bottom:24px}.model-switch{display:flex;background:#f0f3f7;border-radius:5px;padding:4px;align-self:flex-end;margin-right:auto;gap:3px}.model-switch button{background:transparent;border:0;color:var(--muted);font-size:0.6875rem;line-height:1.4;padding:9px 10px;border-radius:3px;white-space:nowrap}.model-switch button.selected{background:#fff;box-shadow:0 1px 5px #152b4312;color:var(--blue);font-weight:700}.chart-controls label{font-size:0.625rem;color:var(--muted)}.chart-controls label>span{display:block;margin:0 0 6px 1px}.chart-controls select{max-width:100%;font-size:0.6875rem;background:white;border:1px solid var(--line);border-radius:4px;min-height:36px;padding:7px 23px 7px 9px;color:var(--ink)}.chart-context{display:flex;justify-content:space-between;gap:12px;font-size:0.6875rem;color:var(--muted);margin-bottom:24px}.chart-context>span:last-child{font:0.5rem/1.8 var(--mono);letter-spacing:.7px;white-space:nowrap}.bar-chart{display:flex;flex-direction:column;gap:18px}.bar-row{display:grid;grid-template-columns:135px 1fr 57px;gap:12px;align-items:center}.bar-label{font-size:0.6875rem;line-height:1.5;color:#617080}.bar-track{height:21px;background:repeating-linear-gradient(to right,#e9edf2 0,#e9edf2 1px,transparent 1px,transparent 25%);border-right:1px solid #e9edf2}.bar-track>span{display:block;height:100%;background:#c5cfdd;border-radius:0 2px 2px 0;transition:width .45s ease,background .3s}.bar-row>b{font:0.75rem var(--mono);letter-spacing:-.5px;text-align:right;font-weight:500;color:#68798c}.bar-row>b>span{font-size:0.5625rem;margin-left:2px}.bar-row.featured .bar-label{color:var(--blue);font-weight:700}.bar-row.featured .bar-track>span{background:var(--blue)}.bar-row.featured>b{color:var(--blue);font-weight:600}.chart-axis{display:flex;justify-content:space-between;margin:15px 69px 25px 147px;font:0.5625rem var(--mono);color:#8a96a6}.result-insight{display:flex;align-items:center;gap:22px;background:var(--blue-light);padding:20px 22px;margin-top:25px;border-radius:5px}.result-insight>strong{color:var(--blue);font-size:2.5rem;letter-spacing:-2px;white-space:nowrap;font-weight:500}.result-insight>strong>span{font-size:1.0625rem;letter-spacing:-.3px;margin-left:4px}.result-insight p{font-size:0.75rem;line-height:1.8;color:#4a5a7b;max-width:320px;margin:0}.chart-source{font-size:0.625rem;line-height:1.85;color:var(--muted);margin:18px 0 0}.evidence-note{display:flex;align-items:center;gap:27px;border-block:1px solid var(--line);padding:26px 0;margin:32px 0 0}.evidence-number{font-size:2.9375rem;color:var(--blue);letter-spacing:-3px;white-space:nowrap;font-weight:500}.evidence-note strong{font-size:0.875rem}.evidence-note p{font-size:0.75rem;line-height:1.85;color:var(--muted);margin:8px 0 0}.ablation-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px;margin:30px 0}.ablation-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.ablation-head .eyebrow{font-size:0.5625rem;color:var(--blue)}.ablation-head h3{font-size:1.3125rem;font-weight:600;letter-spacing:-.7px;margin:13px 0 29px}.experiment-tag{background:#f1f4f7;color:var(--muted);font-size:0.5625rem;padding:6px 8px;border-radius:4px;white-space:nowrap}.ablation-comparison{display:grid;grid-template-columns:1fr 1fr;gap:25px}.ablation-comparison>div+div{border-left:1px solid var(--line);padding-left:25px}.comparison-label{font:0.5625rem var(--mono);letter-spacing:.8px;color:var(--muted)}.comparison-values{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:16px 0 6px}.comparison-values b{font-size:2.1875rem;font-weight:500;letter-spacing:-2px;color:var(--blue)}.comparison-values b.variant{color:#8b6a5c}.comparison-values b small{font-size:0.875rem;letter-spacing:0}.comparison-symbol{color:#a4adba;font-size:1.125rem}.comparison-models{display:flex;justify-content:space-between;color:var(--muted);font-size:0.6875rem}.drop-label{display:inline-block;font-size:0.6875rem;color:#91572f;background:#fff3e9;padding:7px 10px;margin:18px 0 8px;border-radius:3px}.table-scroll{overflow-x:auto;max-width:100%;margin:0 20px 14px}.ablation-table{border-collapse:collapse;width:100%;font-size:0.6875rem;font-variant-numeric:tabular-nums}.ablation-table caption{text-align:left;font-size:0.6875rem;color:var(--muted);padding-bottom:15px}.ablation-table td,.ablation-table th{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;font-size:0.625rem}.ablation-table thead th{background:var(--blue-light);font-weight:600}.ablation-table tbody th{font-weight:500}.detail-source{font-size:0.6875rem;color:var(--muted);line-height:1.8;margin:15px 20px 20px}.prose-heading{font-size:1.4375rem;font-weight:600;letter-spacing:-.6px;margin:38px 0 18px}.entropy-figure{margin:28px 0;border:1px solid var(--line);padding:21px;border-radius:7px;background:white}.figure-topline{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.figure-topline .eyebrow{font-size:0.5625rem;letter-spacing:.8px;color:var(--muted)}.figure-topline a{font-size:0.625rem;white-space:nowrap}.entropy-figure img{display:block;width:100%;height:auto}.takeaway{padding:29px 0 5px}.takeaway .eyebrow{color:var(--blue);font-size:0.625rem}.takeaway p{font-size:1.75rem;line-height:1.55;letter-spacing:-.9px;margin:15px 0 0}.takeaway p em{font-family:var(--serif);font-size:2.0625rem;color:var(--blue);font-weight:400}.join-section{padding-bottom:0;border-bottom:0}.join-tags{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0 34px}.join-tags span{font-size:0.6875rem;border:1px solid #ced7e4;border-radius:30px;padding:7px 13px;color:#65758b}.resource-card{display:grid;grid-template-columns:52px 1fr;gap:24px;padding:31px;background:var(--blue-light);border:1px solid #d2dbfd;border-radius:7px}.resource-icon{font:1.4375rem var(--mono);display:grid;place-items:center;align-self:flex-start;width:52px;height:52px;color:var(--blue);border:1px solid #b9c7fe;background:#f8faff;border-radius:7px}.resource-card .eyebrow{font-size:0.5625rem;letter-spacing:1px;color:var(--blue)}.resource-card h3{font-size:1.3125rem;letter-spacing:-.5px;margin:12px 0}.resource-card p{font-size:0.8125rem;line-height:1.85;color:#5b6c85;margin:0 0 22px}.resource-card .button{font-size:0.75rem;padding:11px 15px;min-height:41px}.text-link{display:inline-block;font-size:0.6875rem;margin-left:15px;color:var(--blue);margin-top:10px}.checker-guide{padding:0 20px 18px}.checker-guide p{font-size:0.8125rem;line-height:1.9;color:var(--muted)}.code-box{position:relative;background:#f1f4f8;border:1px solid var(--line);border-radius:5px;margin:19px 0}.code-box pre{font:0.6875rem/1.85 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere;padding:52px 18px 20px;margin:0;color:#364962}.copy-button{position:absolute;right:9px;top:9px;border:1px solid #cbd4de;border-radius:4px;color:#53657b;background:white;font-size:0.625rem;padding:6px 10px;min-height:30px}.contact-line{display:flex;justify-content:space-between;gap:20px;padding:25px 0;margin-top:22px;border-block:1px solid var(--line);font-size:0.8125rem}.contact-line>span{color:var(--muted)}.contact-line a{font-weight:600;color:var(--blue)}.resource-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:33px 0}.resource-links a{display:block;text-decoration:none;padding:15px 0;border-bottom:1px solid var(--line)}.resource-links a>span{font:0.625rem var(--mono);color:#8b98ab}.resource-links strong{font-size:1.1875rem;display:block;margin:13px 0 8px;font-weight:600}.resource-links small{font-size:0.6875rem;color:var(--muted)}.resource-links a:hover strong{color:var(--blue)}.citation-details .code-box{margin:0 20px 20px}.article-section>p.article-colophon{font-size:0.6875rem;color:var(--muted);margin-top:30px;line-height:1.8}
/* Navigation and controls remain comfortably readable at normal zoom. */
.site-header nav,.button{font-size:0.875rem}.brand-detail{font-size:0.75rem}.hero-description{font-size:1rem}.hero-byline{font-size:0.75rem}.contents nav a{font-size:0.75rem}.contents nav a>span,.sidebar-paper{font-size:0.6875rem}.task-grid h3{font-size:1rem}.task-grid p{font-size:0.875rem}.hero-visual .diagram-caption,.visual-footnote{font-size:0.75rem}.fact-strip div>span:not(.fact-heading>span){font-size:0.75rem}.fact-strip>a{font-size:0.75rem}.policy-choice,.lab-grid p,.checker-guide p,.resource-card p,.training-step p{font-size:0.875rem}.lab-label,.lab-disclaimer,.chart-source,.detail-source,.figure-details figcaption,.entropy-figure figcaption{font-size:0.75rem}.figure-details summary,.chart-controls select,.model-switch button,.bar-label,.lab-output>code{font-size:0.75rem}.figure-details summary{font-size:0.875rem}.lab-grid h3{font-size:1.0625rem}.lab-prompt .code-label,.output-heading .code-label,.lab-policy .code-label{font-size:0.6875rem}.chart-controls label{font-size:0.6875rem}.result-insight p,.evidence-note p{font-size:0.8125rem}.chart-context{font-size:0.75rem}.chart-controls select{min-height:41px}.model-switch button{padding-block:11px}.copy-button{font-size:0.75rem;min-height:34px}.resource-card .button{font-size:0.875rem}.text-link{font-size:0.75rem}.join-tags span{font-size:0.75rem}.resource-links small{font-size:0.75rem}.contact-line{font-size:0.875rem}.code-box pre{font-size:0.75rem}.prompt-anatomy small{font-size:0.6875rem}.training-bottom p{font-size:0.75rem}.reward-tags>span{font-size:0.6875rem}.site-footer p,.site-footer>a:last-child{font-size:0.75rem}
@media(min-width:1450px){.hero h1{font-size:5.5625rem}.hero{padding-top:88px;padding-bottom:83px}}
@media(max-width:1100px){.page-width{padding-inline:35px}.header-inner{padding-inline:35px}.hero{gap:32px}.hero h1{font-size:4.1875rem;letter-spacing:-4px}.hero-subtitle{font-size:1.125rem}.policy-diagram{padding-inline:10px}.article-layout{grid-template-columns:175px minmax(0,1fr);gap:38px}.fact-strip{gap:15px}.fact-strip strong{font-size:1.9375rem}.fact-strip>div:not(:first-child){gap:7px}.fact-strip>a{padding-left:17px}.article-section h2{font-size:2.3125rem}.reasoner{padding-inline:14px;gap:10px}.reasoner-tag{display:none}}
@media(max-width:800px){.brand-detail,.brand-separator{display:none}.hero{grid-template-columns:1fr 1fr;gap:24px;padding-top:45px}.hero h1{font-size:3.5rem;letter-spacing:-3px}.hero-subtitle{font-size:1rem}.hero-description{font-size:0.875rem}.hero-actions .button{padding:11px 13px;font-size:0.6875rem}.hero-visual{padding-top:0}.policy-stack{height:190px}.policy-sheet{padding:14px}.sheet-front b{font-size:0.9375rem}.policy-item{font-size:0.625rem}.sheet-top{font-size:0.5rem}.policy-diagram{padding-top:25px;padding-inline:0}.reasoner b{font-size:1.4375rem}.reasoner div>span{font-size:0.5rem}.outputs{gap:5px}.outputs>div{padding:11px 7px}.outputs b{font-size:0.625rem}.outputs small{font-size:0.5rem}.fact-heading{display:none}.fact-strip{grid-template-columns:repeat(3,1fr);gap:14px}.fact-strip>a{display:none}.fact-strip>div:not(:first-child){justify-content:center}.contents{display:none}.article-layout{display:block;max-width:790px;padding-top:60px}.article-section{padding-bottom:55px;margin-bottom:55px}.site-footer{gap:20px}.site-footer p{font-size:0.625rem}}
@media(max-width:600px){html{scroll-padding-top:90px}.page-width{padding-inline:23px}.header-inner{padding:17px 23px}.brand{font-size:1.3125rem}.brand-mark{width:28px;height:28px;font-size:1.375rem}.site-header nav{gap:20px;font-size:0.75rem}.site-header nav>a:first-child{display:none}.hero{display:block;padding-top:40px;padding-bottom:33px}.hero h1{font-size:4.375rem;letter-spacing:-4.5px;margin-top:22px}.hero-subtitle{font-size:1.125rem}.hero-description{font-size:0.9375rem}.hero-actions .button{font-size:0.8125rem;padding:12px 17px}.hero-byline{font-size:0.6875rem;margin-top:23px}.hero-visual{margin-top:47px}.diagram-caption{font-size:0.5625rem}.policy-diagram{padding-inline:13px;padding-top:29px}.policy-stack{height:204px;max-width:330px}.policy-sheet{padding:16px 18px}.sheet-top{font-size:0.5625rem}.sheet-front b{font-size:1.125rem}.policy-item{font-size:0.6875rem}.reasoner b{font-size:1.5625rem}.reasoner div>span{font-size:0.5625rem}.reasoner{padding:18px;gap:13px}.reasoner-tag{display:block;font-size:0.4375rem}.outputs{gap:8px}.outputs>div{padding:12px}.outputs b{font-size:0.6875rem}.outputs small{font-size:0.5625rem}.fact-strip{padding-block:22px;gap:8px}.fact-strip>div:not(:first-child){display:block;text-align:center}.fact-strip strong{display:block;font-size:2.0625rem}.fact-strip div>span:not(.fact-heading>span){font-size:0.625rem;max-width:none}.article-layout{padding-top:48px}.article-section h2{font-size:2.1875rem;letter-spacing:-1.5px;line-height:1.22}.article-section>p.lead{font-size:1.1875rem}.article-section>p:not(.section-kicker),.prose p{font-size:1rem;line-height:1.85}.article-section blockquote{font-size:1.625rem;padding-left:20px}.article-section blockquote em{font-size:1.875rem}.task-grid{gap:14px}.task-grid h3{font-size:0.75rem}.task-grid p{font-size:0.6875rem;line-height:1.75}.site-footer{align-items:flex-start;flex-wrap:wrap;gap:16px}.site-footer p{margin-left:auto;text-align:right}.site-footer>a:last-child{margin-left:auto;font-size:0.6875rem}.toast{width:max-content;max-width:90%;text-align:center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(max-width:1100px){.chart-controls{gap:10px}.model-switch{margin-right:0}.chart-controls select{font-size:0.6875rem}.bar-row{grid-template-columns:115px 1fr 54px;gap:10px}.chart-axis{margin-left:125px;margin-right:64px}.bar-label{font-size:0.6875rem}.comparison-values b{font-size:1.8125rem}.comparison-label{font-size:0.5rem}.drop-label{font-size:0.625rem}.resource-card{padding:25px;gap:18px}.resource-card .text-link{margin-left:0;margin-right:15px}.lab-grid{gap:18px}.lab-output{padding-left:18px}}
@media(max-width:800px){.hero-actions .button{font-size:0.75rem}.article-section h2{font-size:2.4375rem}.task-grid h3{font-size:0.9375rem}.task-grid p{font-size:0.875rem}.comparison-values b{font-size:2.1875rem}.comparison-label{font-size:0.625rem}.bar-label{font-size:0.75rem}.fact-strip div>span:not(.fact-heading>span){max-width:85px}.chart-controls select{font-size:0.75rem}}
@media(max-width:600px){.hero-actions .button{font-size:0.875rem}.hero-description{font-size:1rem}.hero-byline{font-size:0.75rem}.diagram-caption,.hero-visual .diagram-caption{font-size:0.625rem}.fact-strip div>span:not(.fact-heading>span){font-size:0.6875rem}.task-grid{grid-template-columns:1fr;gap:0;margin-block:28px}.task-grid>div{display:grid;grid-template-columns:35px 1fr;gap:0 14px;padding:17px 0}.task-grid h3{margin:0 0 6px;font-size:0.9375rem}.task-icon{grid-row:span 2}.task-grid p{font-size:0.875rem}.article-section h2{font-size:2.1875rem}.lab-topline{padding:18px}.lab-label{font-size:0.625rem}.lab-topline .eyebrow{font-size:0.5625rem;letter-spacing:1px}.lab-prompt{padding:22px 19px}.lab-prompt p{font-size:1.4375rem}.lab-prompt p br{display:none}.policy-choices{padding:17px;gap:8px}.policy-choice{padding:12px 11px;font-size:0.75rem;min-height:76px}.lab-grid{display:block;padding:21px}.lab-grid p{font-size:0.875rem}.lab-output{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:22px;margin-top:22px}.lab-output>code{font-size:0.8125rem}.lab-disclaimer{padding:16px 20px;font-size:0.75rem}.prompt-anatomy{grid-template-columns:1fr 1fr;gap:10px}.prompt-anatomy>div{padding:17px}.prompt-anatomy span{font-size:0.625rem}.prompt-anatomy b{font-size:1.0625rem}.prompt-anatomy small{font-size:0.75rem}.training-panel{padding:25px 21px}.training-heading .eyebrow{font-size:0.5rem;letter-spacing:.8px}.training-mini{font-size:0.5625rem;white-space:nowrap}.training-step{grid-template-columns:27px 1fr;gap:14px}.step-number{width:27px;height:27px;font-size:0.625rem}.training-stage{font-size:0.5625rem;letter-spacing:.7px}.training-step h3{font-size:1.25rem}.training-step p{font-size:0.875rem}.results-panel{padding:23px 18px}.results-heading h3{font-size:1.3125rem}.chart-controls{gap:12px}.model-switch{width:100%;justify-content:space-between}.model-switch button{font-size:0.8125rem;width:50%;padding:12px 8px}.chart-controls label{flex:1;min-width:0;font-size:0.75rem}.chart-controls select{width:100%;font-size:0.75rem;padding-right:15px}.chart-context{font-size:0.6875rem;display:block;line-height:1.6}.chart-context>span:last-child{display:block;font-size:0.5rem;margin-top:5px}.bar-chart{gap:19px}.bar-row{grid-template-columns:101px 1fr 44px;gap:8px}.bar-label{font-size:0.625rem}.bar-row>b{font-size:0.6875rem}.bar-row>b>span{font-size:0.5rem}.bar-track{height:21px}.chart-axis{margin-left:109px;margin-right:52px;font-size:0.5rem}.result-insight{display:block;padding:16px 17px}.result-insight>strong{font-size:2.5rem}.result-insight p{margin-top:8px;font-size:0.8125rem}.chart-source{font-size:0.75rem}.evidence-note{align-items:flex-start;gap:20px}.evidence-number{font-size:2.375rem;letter-spacing:-2px}.evidence-note strong{font-size:0.8125rem}.evidence-note p{font-size:0.75rem}.ablation-panel{padding:23px 19px}.ablation-head{display:block}.experiment-tag{display:inline-block;font-size:0.625rem;margin:0 0 26px}.ablation-head h3{margin-bottom:12px;font-size:1.3125rem}.ablation-comparison{grid-template-columns:1fr;gap:25px}.ablation-comparison>div+div{padding:23px 0 0;border-left:0;border-top:1px solid var(--line)}.comparison-values{justify-content:flex-start;gap:25px}.comparison-values b{font-size:2.4375rem}.comparison-models{justify-content:flex-start;gap:138px;font-size:0.75rem}.comparison-label{font-size:0.625rem}.drop-label{font-size:0.75rem}.figure-details summary{font-size:0.8125rem;padding:17px 18px}.table-scroll{margin-inline:15px}.entropy-figure{padding:15px}.figure-topline .eyebrow{font-size:0.5rem;letter-spacing:.5px;max-width:170px}.figure-topline a{font-size:0.6875rem}.entropy-figure figcaption{font-size:0.75rem}.takeaway p{font-size:1.5625rem}.takeaway p em{font-size:1.75rem}.resource-card{display:block;padding:25px 22px}.resource-icon{width:42px;height:42px;font-size:1.25rem;margin-bottom:24px}.resource-card h3{font-size:1.375rem}.resource-card p{font-size:0.875rem}.resource-card .button{font-size:0.875rem}.resource-card .text-link{display:block;font-size:0.8125rem;margin:17px 0 0}.contact-line{display:block;font-size:0.875rem;line-height:1.8}.contact-line a{display:block;margin-top:7px}.resource-links{gap:16px}.resource-links strong{font-size:1.125rem}.resource-links small{font-size:0.6875rem;line-height:1.6;display:block}.checker-guide{padding-inline:17px}.code-box pre{font-size:0.6875rem;padding-inline:14px}.article-section>p.article-colophon{font-size:0.75rem}.site-footer p{font-size:0.6875rem}.site-footer>a:last-child{font-size:0.75rem}}
@media print{.site-header,.contents,.hero-visual,.hero-actions,.reading-progress,.toast{display:none}.hero,.article-layout{display:block}.page-width{padding-inline:0}.hero h1{font-size:3rem}.article-section{break-inside:auto}.article-section h2{break-after:avoid}.site-footer{font-size:0.625rem}a{color:inherit}.fact-strip{grid-template-columns:repeat(4,1fr)}}

@media(max-width:380px){.hero h1{font-size:clamp(3rem,17.7vw,4.375rem);letter-spacing:-.05em}.hero .eyebrow{letter-spacing:1px}.page-width{padding-inline:20px}.reasoner-tag{display:none}.fact-strip{gap:5px}}

/* Keep chart labels and the brand mark within their boxes when text is enlarged. */
.brand-mark{width:2rem;height:2rem;flex-shrink:0}
.figure-index{white-space:nowrap}
.bar-row{grid-template-columns:8.4375rem minmax(0,1fr) 3.5625rem}
.chart-axis{margin-left:calc(8.4375rem + 12px);margin-right:calc(3.5625rem + 12px)}
@media(max-width:1100px){.bar-row{grid-template-columns:7.1875rem minmax(0,1fr) 3.375rem}.chart-axis{margin-left:calc(7.1875rem + 10px);margin-right:calc(3.375rem + 10px)}}
@media(max-width:600px){.brand-mark{width:1.75rem;height:1.75rem}.bar-row{grid-template-columns:6.3rem minmax(0,1fr) 3rem;gap:8px}.bar-label{font-size:.75rem}.bar-row>b{font-size:.75rem}.bar-row>b>span{font-size:.625rem}.chart-axis{margin-left:calc(6.3rem + 8px);margin-right:calc(3rem + 8px)}.outputs b{font-size:.8125rem}.outputs small{font-size:.6875rem}.policy-item{font-size:.75rem}}
.mobile-contents{display:none}
@media(max-width:800px){.mobile-contents{display:block;margin-bottom:42px;background:#fff;border:1px solid var(--line);border-radius:5px}.mobile-contents summary{display:flex;align-items:center;justify-content:space-between;list-style:none;font-size:.875rem;font-weight:600;padding:17px 20px;cursor:pointer}.mobile-contents summary::-webkit-details-marker{display:none}.mobile-contents summary>span{color:var(--blue);font-size:1.25rem}.mobile-contents nav{display:flex;flex-direction:column;gap:0;padding:0 20px 12px}.mobile-contents nav a{display:block;padding:10px 0;text-decoration:none;font-size:.875rem;color:var(--muted)}.mobile-contents nav a:hover{color:var(--blue)}}

/* Bilingual navigation shares the same static assets on both language pages. */
.header-actions{display:flex;align-items:center;gap:25px;min-width:0}
.language-switch{display:flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:6px;background:#fff;flex-shrink:0}
.language-option{display:flex;align-items:center;justify-content:center;min-height:30px;min-width:36px;padding:5px 8px;text-decoration:none;font-size:.75rem;font-weight:600;line-height:1.4;white-space:nowrap;color:var(--muted)}
.language-option[aria-current="page"]{background:var(--blue);color:#fff;border-radius:3px}
.language-option:not([aria-current]):hover{color:var(--blue);background:var(--blue-light);border-radius:3px}
html:lang(zh-CN){--sans:Manrope,-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;--serif:'Songti SC','Noto Serif CJK SC','SimSun',serif}
html:lang(zh-CN) .hero h1{font-size:4.7rem;line-height:1.22;letter-spacing:-.035em}
html:lang(zh-CN) .hero h1 em{letter-spacing:-.035em;font-weight:500}
html:lang(zh-CN) .hero-subtitle{line-height:1.7;letter-spacing:.01em}
html:lang(zh-CN) .article-section h2{letter-spacing:-.035em;line-height:1.4}
html:lang(zh-CN) .article-section>p:not(.section-kicker),html:lang(zh-CN) .prose p{line-height:2.05;text-wrap:pretty}
html:lang(zh-CN) .article-section blockquote{line-height:1.7;letter-spacing:0}
html:lang(zh-CN) .eyebrow,html:lang(zh-CN) .section-kicker{letter-spacing:.08em}
html:lang(zh-CN) .result-insight>strong>span{display:block;font-size:.75rem;line-height:1.8;letter-spacing:0;margin-left:0}
html:lang(zh-CN) .comparison-values b{font-family:Manrope,sans-serif}
html:lang(zh-CN) .policy-choice{line-height:1.7}
html:lang(zh-CN) .training-step h3{line-height:1.6;letter-spacing:0}
html:lang(zh-CN) .training-step p,html:lang(zh-CN) .lab-grid p,html:lang(zh-CN) .resource-card p{line-height:1.95}
html:lang(zh-CN) .fact-strip div>span:not(.fact-heading>span){max-width:84px}
html:lang(zh-CN) .bar-label{line-height:1.8}
@media(max-width:1100px){.header-actions{gap:17px}.site-header nav{gap:20px}html:lang(zh-CN) .hero h1{font-size:4rem}}
@media(max-width:800px){.header-actions{gap:15px}html:lang(zh-CN) .hero h1{font-size:3.5rem}html:lang(zh-CN) .hero-subtitle{font-size:1rem}}
@media(max-width:600px){.header-inner{gap:10px}.header-actions{gap:12px}.site-header nav{gap:14px}.language-option{font-size:.75rem;min-width:31px;padding-inline:6px}.nav-github span{display:none}.nav-github{min-width:20px}.brand{gap:8px}html:lang(zh-CN) .hero h1{font-size:4.1rem;line-height:1.22;letter-spacing:-.04em}html:lang(zh-CN) .hero-subtitle{font-size:1.125rem}html:lang(zh-CN) .article-section h2{font-size:2rem;line-height:1.45}html:lang(zh-CN) .lab-prompt p{font-size:1.4375rem;line-height:1.8}html:lang(zh-CN) .lab-topline .eyebrow{font-size:.6875rem}html:lang(zh-CN) .training-heading .eyebrow{font-size:.6875rem}html:lang(zh-CN) .training-stage{font-size:.625rem;line-height:1.8}html:lang(zh-CN) .comparison-models{gap:132px}html:lang(zh-CN) .contact-line{font-size:.8125rem}}
@media(max-width:380px){.header-inner{padding-inline:20px}.header-actions{gap:10px}.site-header nav{gap:10px}.brand{font-size:1.1875rem}html:lang(zh-CN) .hero h1{font-size:3.4rem}.language-option{padding-inline:5px;min-width:29px}html:lang(zh-CN) .lab-topline{gap:6px}html:lang(zh-CN) .lab-label{font-size:.5625rem}}
@media print{.language-switch{display:none}}

/* Shared reading scale: body 19–20px, supporting copy 17px, captions 15px,
   compact labels 14px at the browser's default size. Keep rem units for zoom. */
:root{
  --text-body:1.1875rem;
  --text-detail:1.0625rem;
  --text-caption:.9375rem;
  --text-label:.875rem;
  --text-control:1rem;
}
html:lang(zh-CN){--text-body:1.25rem}
body{font-size:var(--text-body);line-height:1.6}
.article-section>p:not(.section-kicker),.prose p,.hero-description{
  font-size:var(--text-body);line-height:1.85;
}
html:lang(zh-CN) .article-section>p:not(.section-kicker),
html:lang(zh-CN) .prose p{line-height:1.95}
.article-section>p.lead{font-size:1.375rem;line-height:1.75}
.hero-subtitle,html:lang(zh-CN) .hero-subtitle{font-size:1.375rem;line-height:1.65}
.task-grid p,.lab-grid p,.training-step p,.resource-card p,.checker-guide p,
.result-insight p,.evidence-note p,.sidebar-note p{
  font-size:var(--text-detail);line-height:1.85;
}
.task-grid h3,.lab-grid h3,.prompt-anatomy b,.evidence-note strong{font-size:1.1875rem;line-height:1.5}
.sidebar-note em{font-size:1.1875rem}
.hero-byline,.visual-footnote,.lab-label,.lab-disclaimer,.chart-source,.detail-source,
.figure-details figcaption,.entropy-figure figcaption,.training-bottom p,
.prompt-anatomy small,.outputs small,.comparison-models,.drop-label,
.resource-links small,.site-footer p,.site-footer>a:last-child,
.article-section>p.article-colophon{font-size:var(--text-caption);line-height:1.8}
html:lang(zh-CN) .lab-label{font-size:var(--text-caption)}
.site-header nav,.button,.hero-actions .button,.resource-card .button,
.policy-choice,.figure-details summary,.chart-controls select,.model-switch button,
.language-option,.copy-button,.text-link,.resource-card .text-link,.join-tags span,
.contact-line,html:lang(zh-CN) .contact-line,
.mobile-contents summary,.mobile-contents nav a{
  font-size:var(--text-control);line-height:1.6;
}
.language-option{min-height:36px;padding:5px 9px}
.chart-controls select,.model-switch button{min-height:44px}
.copy-button{min-height:38px}
.contents nav a,.sidebar-paper{font-size:var(--text-caption);line-height:1.7}
.contents nav a>span{font-size:var(--text-label)}
.eyebrow,.contents .eyebrow,.section-kicker,.brand-detail,.edition,
.hero-visual .diagram-caption,.diagram-caption,.sheet-top,
.sheet-back>span,.sheet-mid>span,.policy-item>span,.connector small,
.reasoner div>span,.reasoner-tag,.output-number,.fact-heading,
.fact-strip>a>span,.code-label,.lab-prompt .code-label,.output-heading .code-label,
.lab-policy .code-label,.policy-choice>span,.decision-badge,.prompt-anatomy span,
.training-heading .eyebrow,.training-mini,.training-stage,.step-number,
.reward-tags>span,.training-bottom>span,.results-heading .eyebrow,.figure-index,
.chart-controls label,.chart-context>span:last-child,.bar-row>b>span,.chart-axis,
.ablation-head .eyebrow,.experiment-tag,.comparison-label,
.figure-topline .eyebrow,.figure-topline a,.takeaway .eyebrow,
.resource-card .eyebrow,.resource-links a>span,
html:lang(zh-CN) .lab-topline .eyebrow,
html:lang(zh-CN) .training-heading .eyebrow,
html:lang(zh-CN) .training-stage,
html:lang(zh-CN) .result-insight>strong>span{
  font-size:var(--text-label);line-height:1.6;
}
.lab-topline .eyebrow{font-size:var(--text-label)}
.edition{width:2rem;height:2rem;flex-shrink:0}
.fact-strip div>span:not(.fact-heading>span),.fact-strip>a{font-size:var(--text-caption);line-height:1.65}
.policy-item,.bar-label,.chart-context{font-size:var(--text-caption);line-height:1.7}
.policy-item{align-items:baseline}
.sheet-front b{font-size:1.25rem;line-height:1.5}
.outputs b{font-size:var(--text-control);line-height:1.5}
.bar-row>b{font-size:var(--text-control);white-space:nowrap}
.lab-output>code,.code-box pre,.article-section>p>code{font-size:var(--text-caption);line-height:1.8}
.code-box pre{padding-top:62px}
.ablation-table,.ablation-table caption{font-size:var(--text-caption);line-height:1.7}
.ablation-table td,.ablation-table th{font-size:var(--text-label);line-height:1.7}
.toast{font-size:var(--text-control);line-height:1.6}

/* Give larger labels space to wrap without shrinking the reading scale. */
.hero>*,.lab-grid>*,.training-step>*,.resource-card>*,.outputs>div{min-width:0}
.policy-stack{height:auto;padding-bottom:27px}
.sheet-front{position:relative}
.connector-one{height:auto;min-height:58px;margin-top:6px}
.reasoner{flex-wrap:wrap}
.reasoner-tag{margin-left:0}
.outputs small{display:block}
.lab-topline,.training-heading,.figure-topline,.contact-line{flex-wrap:wrap}
.chart-context{flex-wrap:wrap}
.chart-context>span:last-child{white-space:normal}
.bar-row{grid-template-columns:10rem minmax(0,1fr) 4.5rem;gap:12px}
.chart-axis{margin-left:calc(10rem + 12px);margin-right:calc(4.5rem + 12px)}
.bar-track{height:24px}
.result-insight{flex-wrap:wrap}
.result-insight p{flex:1 1 230px;max-width:none}
.ablation-head{flex-wrap:wrap}
.comparison-values{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:12px}
.comparison-values b{white-space:nowrap}
.comparison-values b:last-child{text-align:right}
.comparison-models,html:lang(zh-CN) .comparison-models{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.comparison-models>span:last-child{text-align:right}
.contact-line a{overflow-wrap:anywhere}

@media(max-width:1100px){
  .brand-detail,.brand-separator{display:none}
  .prompt-anatomy{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
  .fact-heading,.fact-strip>a{display:none}
  .fact-strip>div:not(:first-child){justify-content:center}
  .ablation-comparison{grid-template-columns:1fr}
  .ablation-comparison>div+div{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}
}
@media(max-width:1000px){
  .hero{grid-template-columns:1fr;gap:40px}
  .hero-visual{width:100%;max-width:560px;justify-self:center;margin-inline:auto}
  .hero h1{font-size:clamp(3.5rem,8vw,5rem)}
  .hero-description{max-width:720px}
}
@media(max-width:800px){
  .bar-row{grid-template-columns:9rem minmax(0,1fr) 4.5rem}
  .chart-axis{margin-left:calc(9rem + 12px)}
}
@media(max-width:600px){
  :root{--text-body:1.125rem}
  html:lang(zh-CN){--text-body:1.1875rem}
  .header-inner{flex-wrap:wrap;row-gap:10px}
  .header-actions{margin-left:auto;gap:10px}
  .site-header nav{gap:12px}
  .hero-subtitle,html:lang(zh-CN) .hero-subtitle{font-size:1.25rem}
  .hero .eyebrow{font-size:var(--text-label);letter-spacing:.6px;flex-wrap:wrap}
  .edition-line{display:none}
  .diagram-caption{flex-wrap:wrap;gap:6px 12px;letter-spacing:.6px}
  .policy-diagram{padding-inline:8px}
  .reasoner{gap:12px}
  .reasoner div>span{font-size:var(--text-label)}
  .reasoner-tag{display:none}
  .outputs{grid-template-columns:1fr}
  .outputs>div{display:grid;grid-template-columns:1.5rem 6.5rem minmax(0,1fr);align-items:center;gap:10px;padding:12px}
  .outputs b{margin:0}
  .fact-strip div>span:not(.fact-heading>span){font-size:var(--text-label)}
  .article-section>p.lead{font-size:1.3125rem}
  .task-grid h3{font-size:1.125rem}
  .policy-choices{grid-template-columns:1fr}
  .policy-choice{min-height:0;padding:14px 16px}
  .prompt-anatomy b{font-size:1.0625rem}
  .prompt-anatomy>div{padding:15px 13px}
  .training-step{grid-template-columns:30px minmax(0,1fr);gap:12px}
  .training-stage{letter-spacing:.5px}
  .results-heading{flex-wrap:wrap}
  .chart-controls{align-items:stretch}
  .model-switch button{padding-inline:4px;white-space:normal}
  .chart-controls label{flex:1 1 150px}
  .bar-row{grid-template-columns:minmax(0,1fr) auto;gap:7px 12px}
  .bar-label{grid-column:1;grid-row:1}
  .bar-row>b{grid-column:2;grid-row:1}
  .bar-track{grid-column:1/-1;grid-row:2}
  .chart-axis{margin:15px 0 25px}
  .evidence-note{flex-wrap:wrap;gap:12px}
  .comparison-values b{font-size:2.25rem}
  .figure-topline .eyebrow{max-width:none}
  .resource-links{grid-template-columns:1fr;gap:8px}
  .resource-links a{display:grid;grid-template-columns:1.5rem minmax(0,1fr);gap:4px 12px;align-items:baseline}
  .resource-links strong{margin:0;font-size:1.1875rem}
  .resource-links small{grid-column:2}
}
@media(max-width:350px){
  .outputs>div{grid-template-columns:1.5rem minmax(0,1fr)}
  .outputs small{grid-column:2}
}

/* Mode IO co-branding keeps the supplied vector artwork at its original ratio. */
.company-brand{gap:12px}
.company-logo{display:block;width:auto;height:64px;flex-shrink:0;object-fit:contain}
.brand-copy{display:flex;flex-direction:column;gap:3px;line-height:1.15}
.brand-company{font-size:var(--text-label);font-weight:500;letter-spacing:.02em}
.author-link{text-decoration-thickness:1px;text-decoration-color:#a0adbd;text-underline-offset:4px}
.author-link:hover{color:var(--blue);text-decoration-color:currentColor}
.future-heading{margin-top:0;margin-bottom:12px;color:var(--blue)}
@media(max-width:600px){
  .company-logo{height:48px}
  .company-brand{gap:8px}
  .header-inner{padding-block:12px}
}
@media(max-width:380px){
  .header-inner{padding-inline:18px;gap:8px}
  .header-actions{gap:8px}
  .site-header nav{gap:8px}
}

/* Avatar dimensions and clipping are also inline in both HTML pages so an older
   cached stylesheet, or a failed stylesheet request, cannot expose the full photo. */