.report-page{--hero-cover-progress:0;--hero-article-alpha:0;--hero-article-blur:0px;--hero-article-edge:64px;--hero-title-color:rgb(247,247,243);--hero-back-color:rgb(226,226,221);--hero-series-color:rgb(225,226,221);--hero-meta-color:rgb(222,222,217);background:#f1f1ef;color:#454542}
.report-page .site-header{background:rgba(20,22,21,.5);border-color:rgba(255,255,255,.25);box-shadow:0 2px 16px rgba(0,0,0,.12);color:#fff}
.report-page .site-header .desktop-nav a,.report-page .site-header .lang,.report-page .site-header .menu-btn{color:#fff}
.report-page .site-header .desktop-nav a{border-color:rgba(255,255,255,.35)}
.report-page .site-header .brand-logo{filter:none}
.report-page .company-footer .footer-top{grid-template-columns:1fr 1fr}
.page-language-switch{display:inline-flex;align-items:center;justify-content:center;min-width:74px;height:34px;padding:0 14px;border:1px solid rgba(255,255,255,.45);border-radius:999px;color:#fff;text-decoration:none;font:600 10px 'DM Mono',monospace;letter-spacing:.08em;transition:background .2s ease,color .2s ease}.page-language-switch:hover{background:#fff;color:#1d1f1d}
.report-page.has-sticky-hero main{position:relative;isolation:isolate}.report-top-video{position:relative;width:100%;height:min(88vh,900px);min-height:620px;overflow:hidden;background:#151715;color:#fff}.report-page.has-sticky-hero .report-top-video{position:sticky;z-index:0;top:0}
.report-top-video::after{content:"";position:absolute;z-index:2;right:0;bottom:0;left:0;height:88px;background:linear-gradient(180deg,rgba(241,241,239,0),#f1f1ef);pointer-events:none}
.report-page.has-sticky-hero .report-top-video::after{height:72px;opacity:1;background:linear-gradient(180deg,rgba(241,241,239,0) 0%,rgba(241,241,239,.015) 34%,rgba(241,241,239,.08) 56%,rgba(241,241,239,.34) 76%,rgba(241,241,239,.78) 92%,#f1f1ef 100%)}
.report-top-video>video{display:block;width:100%;height:100%;object-fit:cover;transform:scale(1.015)}
.report-top-video-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.52),rgba(0,0,0,.18) 52%,rgba(0,0,0,0) 100%)}
.report-top-video-shade::after{display:none}
.report-top-placeholder{display:grid;place-items:center;padding:112px 24px 74px;background:#151715}
.report-top-placeholder::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 88%)}
.report-video-placeholder{position:relative;z-index:1;width:min(1180px,100%);height:min(62vh,610px);min-height:430px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.24);border-radius:12px;background:radial-gradient(circle at 50% 40%,rgba(255,255,255,.08),transparent 58%);color:#f1f2ef;text-align:center}
.report-video-placeholder::before{content:"▶";width:64px;height:64px;margin-bottom:34px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.55);border-radius:50%;padding-left:4px;color:#fff;font-size:18px}
.report-video-placeholder span,.report-video-placeholder small{font:9px 'DM Mono',monospace;letter-spacing:.16em;color:#9da19c}.report-video-placeholder strong{margin:18px 0 30px;font-size:clamp(34px,4vw,64px);line-height:1.03;font-weight:500;letter-spacing:-.035em}
.report-article{position:relative;z-index:1;padding-top:106px;background:#f1f1ef}.report-page.has-sticky-hero .report-article{margin-top:-390px;background:linear-gradient(180deg,rgba(241,241,239,0) 0,rgba(241,241,239,var(--hero-article-alpha)) var(--hero-article-edge),rgba(241,241,239,var(--hero-article-alpha)) 100%);-webkit-backdrop-filter:blur(var(--hero-article-blur));backdrop-filter:blur(var(--hero-article-blur));will-change:background,backdrop-filter}
.report-title{max-width:840px;margin:0 auto;padding:0 28px 44px}
.report-back{display:inline-block;margin-bottom:44px;color:#868681;text-decoration:none;font-size:13px}
.report-back:hover{color:#e95f1c}
.report-title h1{margin:0;color:#292929;font-size:46px;line-height:1.22;font-weight:400;letter-spacing:0}
.report-meta{display:flex;gap:12px;margin-top:29px;color:#969690;font:10px 'DM Mono',monospace;letter-spacing:.1em}
.report-page.has-sticky-hero .report-title{text-shadow:0 2px 20px rgba(0,0,0,calc(.46 * (1 - var(--hero-cover-progress))))}.report-page.has-sticky-hero .report-title h1{color:var(--hero-title-color)}.report-page.has-sticky-hero .report-back{color:var(--hero-back-color)}.report-page.has-sticky-hero .report-series{color:var(--hero-series-color)}.report-page.has-sticky-hero .report-meta{color:var(--hero-meta-color)}.report-page.has-sticky-hero .report-back:hover{color:#e95f1c}
.report-hero-media{max-width:1020px;aspect-ratio:16/9;margin:0 auto 46px;border:1px solid #deded9;border-radius:8px;overflow:hidden;background:#ddd}
.report-hero-media video,.report-video video,.report-video-grid video,.report-rollouts video{display:block;width:100%;height:100%;object-fit:cover}
.report-architecture{width:calc(100% - 48px);max-width:1440px;aspect-ratio:auto;border-color:#20252b;background:#060709;overflow:visible}
.report-architecture iframe{display:block;width:100%;height:100%;border:0;background:#060709}
.report-architecture iframe{height:auto;aspect-ratio:30/13;border-radius:8px}
.report-architecture figcaption{margin:13px 4px 0;color:#858680;font-size:12px;line-height:1.6}
.report-lead{max-width:840px;margin:0 auto;padding:0 28px;color:#6d6d68;font:italic 19px/1.85 Georgia,'Noto Sans SC',serif}
.report-page.has-sticky-hero .report-lead{margin-top:85px}
.report-lead-video{width:calc(100% - 56px);max-width:784px;margin:38px auto 0}.report-lead-video video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid #d2d3cf;border-radius:10px;background:#151715;box-shadow:0 16px 44px rgba(29,33,30,.08)}
.report-divider{max-width:784px;height:1px;margin:50px auto 58px;background:#d8d8d3}
.report-layout{position:relative;max-width:840px;margin:0 auto;padding:0 28px 110px}
.report-toc{position:absolute;right:calc(100% + 26px);top:0;width:180px;height:100%}
.report-toc>div{position:sticky;top:112px}
.report-toc p{margin:0 0 16px;color:#aaa9a3;font:600 9px 'DM Mono',monospace;letter-spacing:.16em}
.report-toc a{display:block;padding:5px 0;color:#999892;text-decoration:none;font-size:12px;line-height:1.35}
.report-toc a:hover{color:#e95f1c}
.report-mobile-toc{display:none}
.report-content section{position:relative;padding:0 0 62px;scroll-margin-top:120px}
.report-cite{margin-left:3px;font:600 9px 'DM Mono',monospace;vertical-align:super}.report-cite a{color:#777a76;text-decoration:none}.report-cite a:hover{color:#1f221f}
.report-sidenotes{position:absolute;left:calc(100% + 54px);top:2px;width:196px;display:grid;gap:10px}.report-sidenotes::before{content:"RELATED READING";margin-bottom:2px;color:#9a9c97;font:600 8px 'DM Mono',monospace;letter-spacing:.14em}.report-sidenote{display:block;padding:12px 12px 13px;border-top:1px solid #cfd1cc;color:#62645f!important;text-decoration:none}.report-sidenote:last-child{border-bottom:1px solid #cfd1cc}.report-sidenote>span{display:block;margin-bottom:8px;color:#9b9d98;font:8px 'DM Mono',monospace;letter-spacing:.12em}.report-sidenote strong{display:block;color:#353835;font-size:12px;font-weight:600;line-height:1.35}.report-sidenote small{display:block;margin-top:3px;color:#92948f;font-size:9px;line-height:1.4}.report-sidenote p{margin:8px 0 0;color:#747671;font-size:10px;line-height:1.55}.report-sidenote:hover{background:#e8e9e6}.report-sidenote:hover strong{color:#111311}
.report-kicker{margin:0 0 18px!important;color:#e95f1c!important;font:500 9px 'DM Mono',monospace!important;letter-spacing:.13em}
.report-content h2{margin:0 0 28px;color:#2d2d2b;font-size:37px;line-height:1.2;font-weight:600;letter-spacing:0}
.report-content h3.report-subheading{margin:46px 0 18px;color:#343532;font-size:23px;line-height:1.35;font-weight:600;letter-spacing:0}
.report-content>section>p:not(.report-kicker),.report-model-training>p{margin:0 0 22px;color:#4f4f4b;font-size:16px;line-height:1.9}
.report-model-training{position:relative;margin-top:46px;padding-top:1px;scroll-margin-top:120px}
@media(max-width:760px){.report-model-training>p{font-size:15px;line-height:1.85}}
.report-content a{color:#e95f1c}
.report-points{margin:32px 0 0;padding:0;border-top:1px solid #d8d8d3;list-style:none}
.report-points li{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid #d8d8d3}
.report-points strong{color:#292929;font-size:15px}.report-points span{color:#666661;font-size:14px;line-height:1.7}
.report-callout{display:flex;gap:16px;margin:30px 18px;padding:20px 22px;border:1px solid #ead5c9;border-radius:8px;background:#f9eee8}
.report-callout>span{width:26px;height:26px;flex:0 0 26px;display:grid;place-items:center;border-radius:50%;background:#e95f1c;color:#fff;font:italic 16px Georgia}
.report-callout p{margin:0;color:#494945;font-size:15px;line-height:1.75}
.report-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:stretch;margin:36px 0 12px;padding:22px;border:1px solid #d8d8d3;background:#f8f8f6}
.report-flow div{min-width:0;padding:18px 14px;border:1px solid #d8d8d3;border-radius:6px;background:#fff;text-align:center}
.report-flow div.is-accent{border-color:#e95f1c;background:#fff7f2}
.report-flow span{display:block;margin-bottom:11px;color:#aaa;font:9px 'DM Mono',monospace}.report-flow strong{display:block;color:#333;font-size:14px;line-height:1.4}.report-flow small{display:block;margin-top:9px;color:#888;font-size:11px;line-height:1.5}.report-flow i{align-self:center;color:#e95f1c;font-style:normal;font-size:19px}
.report-video{margin:34px 0 0}.report-video video{aspect-ratio:16/9;border-radius:8px;background:#ddd}
.report-video figcaption,.report-video-grid figcaption,.report-rollouts figcaption{margin-top:12px;color:#8d8d87;font-size:13px;line-height:1.6}.report-video figcaption strong{color:#e95f1c}
.report-video-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:35px}.report-video-grid figure,.report-rollouts figure{min-width:0;margin:0}.report-video-grid video{aspect-ratio:1;border-radius:8px;background:#ddd}
.report-rollouts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}.report-rollouts video{aspect-ratio:1;border-radius:8px;background:#ddd}.report-rollouts figcaption{text-align:center}
.report-citation{padding-top:12px!important}.report-citation h2{font-size:23px}.report-citation pre{margin:0;padding:24px;border:1px solid #d8d8d3;background:#f8f8f6;color:#666661;font:12px/1.7 'DM Mono',monospace;white-space:pre;overflow-x:auto}
.report-material-figure{width:100%;margin:38px 0 12px}.report-material-figure>img{display:block;width:100%;height:auto;border-radius:8px}.report-material-figure figcaption{margin:13px 4px 0;color:#858782;font-size:12px;line-height:1.65}.report-material-figure figcaption strong{color:#4b4e4a}.report-dark-figure{box-sizing:border-box;padding:10px;border-radius:10px;background:#171817}.report-dark-figure figcaption{margin:13px 3px 3px;color:#a7aaa5}.report-statistics{margin-top:34px}.report-statistics img{border:1px solid #2e312e}.report-content .report-architecture{width:100%;max-width:none;margin:38px 0 14px;padding:0;border:0;background:transparent}.report-content .report-architecture iframe{height:auto;aspect-ratio:30/13;border:1px solid #343735;border-radius:8px;background:#111311}
.report-content .report-architecture-frameless iframe{border:0;border-radius:0;background:transparent}
.report-pipeline-figure{margin-top:42px;padding:26px;border:1px solid #cfd1cd;border-radius:10px;background:#f8f8f6}.report-pipeline-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:20px;border-bottom:1px solid #d5d6d2}.report-pipeline-head span{color:#8b8e89;font:9px 'DM Mono',monospace;letter-spacing:.12em}.report-pipeline-head strong{color:#333633;font-size:19px;font-weight:500}.report-pipeline-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:24px 0}.report-pipeline-row article{min-width:0;padding:10px;border:1px solid #d6d7d3;border-radius:7px;background:#fff}.report-pipeline-row article>div{display:grid;grid-template-columns:1fr auto 1fr;gap:5px;align-items:center}.report-pipeline-row img{display:block;width:100%;height:100px;object-fit:cover;border-radius:3px}.report-pipeline-row i{color:#686b67;font-style:normal}.report-pipeline-row p{margin:12px 2px 2px;color:#666863;font-size:11px;line-height:1.5}.report-pipeline-row b{display:block;margin-bottom:4px;color:#323532;font:9px 'DM Mono',monospace}.report-pipeline-end{padding:16px;border-radius:6px;background:#252825;color:#a9aca8;text-align:center;font:9px 'DM Mono',monospace;letter-spacing:.1em}.report-pipeline-end strong{margin-left:18px;color:#fff;font-size:11px}.report-pipeline-figure figcaption{margin-bottom:0}
.report-interactive-figure{overflow:hidden;border:1px solid #cfd1cd;border-radius:10px;background:#f8f8f6}.report-interactive-head{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:48px;padding:0 16px;border-bottom:1px solid #cfd1cd}.report-interactive-head span{color:#858883;font:9px 'DM Mono',monospace;letter-spacing:.12em}.report-interactive-head strong{color:#414440;font:600 10px 'DM Mono',monospace;letter-spacing:.06em}.report-interactive-figure iframe,.report-embed-figure iframe{display:block;width:100%;overflow:hidden;border:0;background:#f2f2f0;transition:height .2s ease}.report-statistics iframe{height:570px}.report-data-lab iframe{height:1000px}.report-data-module iframe{height:520px}.report-statistics-module iframe{height:480px}.report-interactive-figure>figcaption{margin:0;padding:13px 16px 15px;border-top:1px solid #cfd1cd;background:#f2f2f0}
.report-series{margin:0 0 24px;color:#70736f;font:600 9px 'DM Mono',monospace;letter-spacing:.16em}
.report-contrast{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:stretch;margin:36px 0 28px}.report-contrast>div{padding:25px;border:1px solid #d2d3cf;border-radius:8px;background:#f8f8f6}.report-contrast>div.is-accent{border-color:#6a6e6a;background:#e7e9e6}.report-contrast span{display:block;margin-bottom:18px;color:#8b8d88;font:9px 'DM Mono',monospace;letter-spacing:.1em}.report-contrast strong{display:block;color:#2f312f;font-size:23px;font-weight:500}.report-contrast p{margin:16px 0 0;color:#666863;font-size:13px;line-height:1.7}.report-contrast>i{align-self:center;color:#666a67;font-size:24px;font-style:normal}
.report-definition{display:grid;grid-template-columns:112px 1fr;gap:22px;margin:28px 0 0;padding:22px 24px;border-left:3px solid #525653;background:#e8e9e6}.report-definition span{padding-top:3px;color:#555956;font:600 9px 'DM Mono',monospace;letter-spacing:.12em}.report-definition p{margin:0;color:#414440;font-size:15px;line-height:1.8}
.report-system-stack{margin:34px 0;padding:26px;border:1px solid #d3d4d0;border-radius:8px;background:#f8f8f6}.report-system-stack div{display:flex;gap:18px;align-items:center;padding:16px 18px;border:1px solid #d6d7d3;border-radius:6px;background:#fff}.report-system-stack div.is-interface{border-style:dashed;border-color:#686c68;background:#eceeeb}.report-system-stack small{width:142px;color:#92948f;font:9px 'DM Mono',monospace;letter-spacing:.1em}.report-system-stack strong{color:#383a38;font-size:14px;font-weight:500}.report-system-stack b{display:block;padding:5px 0;text-align:center;color:#737672;font-size:16px;font-weight:400}
.report-equation{margin:28px 0;padding:22px;border:1px solid #3f4340;border-radius:6px;background:#202321;color:#f3f4f1;text-align:center;font:500 12px/1.8 'DM Mono',monospace}.report-equation i{padding:0 7px;color:#aeb2ae;font-style:normal}.report-limitations li{grid-template-columns:190px 1fr}
.report-action-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr;gap:9px;align-items:stretch;margin:36px 0 26px;padding:22px;border:1px solid #d3d4d0;background:#f8f8f6}.report-action-flow div{min-width:0;padding:18px 11px;border:1px solid #d4d5d1;border-radius:6px;background:#fff;text-align:center}.report-action-flow div.is-accent{border-color:#555957;background:#e8eae7}.report-action-flow span{display:block;margin-bottom:10px;color:#999b96;font:9px 'DM Mono',monospace}.report-action-flow strong{display:block;color:#343634;font-size:12px;line-height:1.45}.report-action-flow small{display:block;margin-top:8px;color:#858782;font-size:10px;line-height:1.5}.report-action-flow i{align-self:center;color:#555956;font-style:normal}
.report-training-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:34px 0}.report-training-grid article{padding:27px;border:1px solid #d2d3cf;border-radius:8px;background:#f8f8f6}.report-training-grid article.is-accent{border-color:#606460;background:#e8eae7}.report-training-grid article>span{color:#898b86;font:9px 'DM Mono',monospace;letter-spacing:.12em}.report-training-grid h3{margin:14px 0 16px;color:#333532;font-size:21px;font-weight:500;line-height:1.3}.report-training-grid p{margin:0;color:#62645f;font-size:13px;line-height:1.7}.report-training-grid ul{margin:20px 0 0;padding:16px 0 0;border-top:1px solid #d0d2ce;list-style:none}.report-training-grid li{padding:5px 0;color:#4d504c;font-size:12px}.report-training-grid li::before{content:"—";margin-right:8px;color:#878a86}
.report-data-list{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:34px 0;padding:0;border-top:1px solid #d3d4d0;list-style:none}.report-data-list li{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;padding:20px 16px 20px 0;border-bottom:1px solid #d3d4d0}.report-data-list li:nth-child(odd){border-right:1px solid #d3d4d0}.report-data-list li:nth-child(even){padding-left:20px}.report-data-list span{color:#8d908b;font:10px 'DM Mono',monospace}.report-data-list p{margin:0;color:#4f514e;font-size:13px;line-height:1.65}.report-note{display:grid;grid-template-columns:180px 1fr;gap:28px;margin:30px 0;padding:24px;border:1px solid #555956;border-radius:8px}.report-note strong{color:#373a37;font-size:15px}.report-note p{margin:0;color:#62645f;font-size:13px;line-height:1.75}
.report-experiment-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:32px 0}.report-experiment-grid article{padding:24px;border:1px solid #d3d4d0;border-radius:8px;background:#f8f8f6}.report-experiment-grid span{color:#8e918c;font:10px 'DM Mono',monospace}.report-experiment-grid h3{margin:15px 0 13px;color:#343634;font-size:18px;line-height:1.4;font-weight:500}.report-experiment-grid p{margin:0;color:#666863;font-size:13px;line-height:1.7}
.report-experiment-question{display:grid;grid-template-columns:76px minmax(0,1fr);gap:22px;align-items:start;margin:44px 0 18px;padding-top:19px;border-top:1px solid #c8cbc7}.report-experiment-question>span{padding-top:5px;color:#7d817d;font:650 8px/1.4 'DM Mono',monospace;letter-spacing:.13em;text-transform:uppercase}.report-experiment-question h3{margin:0 0 9px;color:#303330;font-size:22px;line-height:1.35;font-weight:600}.report-experiment-question p{margin:0;color:#666a66;font-size:13px;line-height:1.75}.report-experiment-question+.report-material-figure{margin-top:22px}
.report-quote{margin:34px 0;padding:38px 50px;border-top:1px solid #aeb1ad;border-bottom:1px solid #aeb1ad;color:#2f322f;font:italic 27px/1.55 Georgia,serif;text-align:center}.report-closing{margin-top:28px!important;color:#262926!important;font-size:19px!important;font-weight:500}.report-content section[id]{border-bottom:1px solid #d8d9d5;margin-bottom:56px}.report-content section#beyond{border-bottom:0;margin-bottom:0}
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/* Research report uses the same monochrome identity as the company mark. */
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.report-learning-motion{--dd-ink:#262c29;--dd-accent:#5b737f;box-shadow:0 22px 50px rgba(42,48,44,.075);background:#f8f9f7}
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.dd-main-link{position:relative;align-self:start;height:1px;margin-top:81px;background:#8f9993}.dd-main-link::before{content:"";position:absolute;top:-3px;left:-1px;width:7px;height:7px;border-radius:50%;background:#66736c}.dd-main-link::after{content:"";position:absolute;top:-3px;right:-1px;border-width:3.5px 0 3.5px 6px;border-style:solid;border-color:transparent transparent transparent #66736c}.dd-main-link i{position:absolute;top:-3px;left:0;width:7px;height:7px;border-radius:50%;background:#455d68;box-shadow:0 0 0 4px rgba(69,93,104,.09);animation:dd-link-packet 3.6s ease-in-out infinite}.dd-link-ground{grid-column:2;grid-row:1}.dd-link-rollout{grid-column:4;grid-row:1}.dd-link-rollout i{animation-delay:-1.8s}
.dd-loop-note{grid-column:1;grid-row:3;align-self:start;min-width:0;padding:10px 8px 0 0}.dd-loop-note span{display:block;color:#77817c;font:650 7px 'DM Mono',monospace;letter-spacing:.11em}.dd-loop-note strong{display:block;margin-top:8px;color:#303733;font-size:10px;font-weight:620}.dd-loop-note small{display:block;overflow:hidden;margin-top:5px;color:#7d8681;font:7px 'DM Mono',monospace;text-overflow:ellipsis;white-space:nowrap}
.dd-feedback-lane{grid-column:3/6;grid-row:3;display:grid;grid-template-columns:minmax(0,.78fr) 34px minmax(0,1.18fr);height:72px}.dd-update,.dd-teacher{position:relative;min-width:0;height:72px;padding:9px 12px;box-sizing:border-box;border-radius:8px}.dd-update{grid-column:1;border:1px solid #aeb8b2;background:#fff}.dd-teacher{grid-column:3;border:1px solid #303833;background:linear-gradient(145deg,#333b36,#202622);color:#fff}.dd-update::before,.dd-teacher::before{content:"";position:absolute;top:-19px;left:50%;width:1px;height:18px;background:#8c9791}.dd-update::after{content:"";position:absolute;top:-20px;left:calc(50% - 3px);border-width:0 3.5px 6px;border-style:solid;border-color:transparent transparent #737f78}.dd-teacher::after{content:"";position:absolute;top:-6px;left:calc(50% - 3px);border-width:6px 3.5px 0;border-style:solid;border-color:#737f78 transparent transparent}.dd-update>span,.dd-teacher>span{display:block;color:#77817c;font:650 6.5px 'DM Mono',monospace;letter-spacing:.12em}.dd-teacher>span{color:#aebbb5}.dd-update>strong,.dd-teacher>strong{display:block;overflow:hidden;margin-top:4px;font-size:9.5px;font-weight:620;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.dd-update>strong{color:#303733}.dd-update-equation,.dd-teacher-equation{display:flex;align-items:center;gap:5px;margin-top:4px;font-family:'DM Mono',monospace;white-space:nowrap}.dd-update-equation b{color:#3e5965;font-size:9px}.dd-update-equation i{color:#737e78;font-size:6px}.dd-update-equation em{margin-left:auto;color:#344940;font-size:8px}.dd-teacher-equation span{padding:3px 5px;border:1px solid rgba(186,202,193,.2);border-radius:3px;color:#c5cec9;font-size:6px}.dd-teacher-equation i{color:#8fa19a;font-size:8px}.dd-teacher-equation b{display:grid;width:20px;height:20px;place-items:center;border:1px solid rgba(190,205,196,.25);border-radius:50%;color:#fff;font-size:9px}.dd-teacher-equation em{color:#dfe7e2;font-size:9px;font-weight:650}
.dd-feedback-link{position:relative;grid-column:2;align-self:center;height:1px;background:#6f7c75}.dd-feedback-link::before{content:"";position:absolute;top:-3px;left:-1px;border-width:3.5px 6px 3.5px 0;border-style:solid;border-color:transparent #66736c transparent transparent}.dd-feedback-link::after{content:"";position:absolute;top:-3px;right:-1px;width:7px;height:7px;border-radius:50%;background:#66736c}.dd-feedback-link i{position:absolute;top:-3px;right:0;width:7px;height:7px;border-radius:50%;background:#455d68;box-shadow:0 0 0 4px rgba(69,93,104,.09);animation:dd-feedback-packet 3.6s ease-in-out infinite}

@keyframes hierarchy-sweep{0%,12%{transform:translateX(-100%)}72%,100%{transform:translateX(100%)}}
@keyframes hierarchy-packet{0%,10%{left:0;opacity:0}16%{opacity:1}75%{left:calc(100% - 8px);opacity:1}84%,100%{left:calc(100% - 8px);opacity:0}}
@keyframes hierarchy-step{0%,100%{opacity:.48;transform:translateY(0)}12%,28%{opacity:1;transform:translateY(-4px)}}
@keyframes bottleneck-ring{0%{opacity:.6;transform:translate(-50%,-7px) scale(.7)}75%,100%{opacity:0;transform:translate(-50%,-7px) scale(1.25)}}
@keyframes dd-tuple-focus{0%,100%{opacity:.52;transform:translateY(0)}22%,48%{opacity:1;transform:translateY(-2px)}}
@keyframes dd-model-scan{0%,14%{transform:translateX(-110%);opacity:0}26%{opacity:1}72%{transform:translateX(110%);opacity:1}86%,100%{transform:translateX(110%);opacity:0}}
@keyframes dd-trajectory-shift{to{stroke-dashoffset:-26}}
@keyframes dd-link-packet{0%,10%{left:0;opacity:0}18%{opacity:1}78%{left:calc(100% - 7px);opacity:1}92%,100%{left:calc(100% - 7px);opacity:0}}
@keyframes dd-feedback-packet{0%,10%{right:0;opacity:0}18%{opacity:1}78%{right:calc(100% - 7px);opacity:1}92%,100%{right:calc(100% - 7px);opacity:0}}

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@keyframes hierarchy-sweep-mobile{0%,12%{transform:translateY(-100%)}72%,100%{transform:translateY(100%)}}
@keyframes hierarchy-packet-mobile{0%,10%{top:0;opacity:0}16%{opacity:1}75%{top:calc(100% - 8px);opacity:1}84%,100%{top:calc(100% - 8px);opacity:0}}
@keyframes feed-packet-mobile{0%{top:-7px;opacity:0}15%{opacity:1}75%{top:calc(100% - 7px);opacity:1}100%{top:calc(100% - 7px);opacity:0}}
@media(prefers-reduced-motion:reduce){.report-motion-panel *{animation:none!important}.dd-rollout-packet{display:none}}
.dd-policy-symbol{position:relative;padding-right:7px}.dd-policy-symbol>i{position:absolute;right:0;bottom:1px;color:#d8e0db;font:600 9px 'DM Mono',monospace;letter-spacing:0}
.dd-demo-tuple b{height:18px}.dd-update-equation,.dd-teacher-equation{height:25px}.dd-drift-gap{transform:translateY(2px)}
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/* DriftDistill readability and semantic motion pass. */
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@keyframes dd-output-pulse{0%,55%,100%{color:#fff;text-shadow:none}68%,82%{color:#d8e6eb;text-shadow:0 0 8px rgba(160,194,208,.5)}}
@keyframes dd-visited-point{0%,100%{opacity:.42;stroke-width:1.2}18%,42%{opacity:1;stroke-width:2.1}}
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@keyframes dd-teacher-step{0%,100%{opacity:.42;filter:none}20%,48%{opacity:1;filter:drop-shadow(0 0 4px rgba(180,205,194,.3))}}
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/* Three bottlenecks in the hierarchical perception control interface. */
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/* Frameless hierarchy figure: one animated pipeline, three formula-backed limits. */
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/* Editorial experiment chart: light axes, grouped bars, and estimated confidence intervals. */
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.success-chart-head>span{color:#6d716e;font:500 21px/1.2 'Instrument Sans','Helvetica Neue',Arial,sans-serif;letter-spacing:-.01em}
.success-chart-plot{display:grid;grid-template-columns:54px minmax(0,1fr);height:390px}
.success-chart-scale{display:flex;flex-direction:column;justify-content:space-between;padding:18px 14px 52px 0;color:#777b77;font:500 13px/1 'Instrument Sans','Helvetica Neue',Arial,sans-serif;text-align:right}
.success-chart-stage{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));min-width:0}
.success-chart-grid{position:absolute;z-index:0;inset:18px 0 52px;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none}
.success-chart-grid i{display:block;width:100%;border-top:1px solid #dadcd8}
.success-chart-grid i:last-child{border-color:#b8bbb7}
.success-chart-group{position:relative;z-index:1;display:grid;grid-template-rows:minmax(0,1fr) 52px;min-width:0}
.success-chart-bars{display:flex;justify-content:center;gap:13px;min-height:0;padding:18px 20px 0}
.success-chart-column{position:relative;width:54px;height:100%}
.success-chart-column>i{position:absolute;right:0;bottom:0;left:0;height:calc(var(--value)*1%);border-radius:7px 7px 2px 2px;background:var(--success-baseline);transform-origin:bottom;animation:success-bar-rise 1.05s cubic-bezier(.2,.8,.2,1) both}
.success-chart-column.is-ours>i{background:var(--success-ours)}
.success-chart-column>em{position:absolute;z-index:2;bottom:calc(var(--value)*1% - var(--lower)*1%);left:50%;width:22px;height:calc(var(--lower)*1% + var(--upper)*1%);border-left:2px solid #242724;transform:translateX(-1px);animation:success-error-in .45s ease .75s both}
.success-chart-column>em::before,.success-chart-column>em::after{position:absolute;left:-8px;width:14px;height:2px;background:#242724;content:""}
.success-chart-column>em::before{top:0}.success-chart-column>em::after{bottom:0}
.success-chart-group>strong{display:grid;place-items:center;border-top:1px solid #b8bbb7;color:#5e625f;font:500 13px/1 'Instrument Sans','Helvetica Neue',Arial,sans-serif}
.success-chart-footer{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 0 4px}
.success-chart-legend{display:flex;align-items:center;gap:28px;color:#333734;font:500 12px/1 'Instrument Sans','Helvetica Neue',Arial,sans-serif}
.success-chart-legend span{display:flex;align-items:center;gap:8px}.success-chart-legend i{display:block;width:13px;height:13px;border-radius:3px}
.success-chart-legend .is-baseline{background:var(--success-baseline)}.success-chart-legend .is-ours{background:var(--success-ours)}
.report-success-figure figcaption{margin-top:13px}
@keyframes success-bar-rise{from{opacity:.28;transform:scaleY(0)}to{opacity:1;transform:scaleY(1)}}
@keyframes success-error-in{from{opacity:0}to{opacity:1}}
@media(max-width:760px){.report-success-figure{margin-top:32px}.success-chart-head{min-height:58px;padding-bottom:10px}.success-chart-head>span{font-size:18px}.success-chart-plot{grid-template-columns:36px minmax(0,1fr);height:310px}.success-chart-scale{padding:16px 8px 46px 0;font-size:10px}.success-chart-grid{inset:16px 0 46px}.success-chart-group{grid-template-rows:minmax(0,1fr) 46px}.success-chart-bars{gap:6px;padding:16px 5px 0}.success-chart-column{width:32px}.success-chart-column>em{width:16px}.success-chart-column>em::before,.success-chart-column>em::after{left:-6px;width:10px}.success-chart-group>strong{font-size:11px}.success-chart-footer{padding-top:20px}}
@media(prefers-reduced-motion:reduce){.success-chart-column>i,.success-chart-column>em{animation:none}}

/* Representative evaluation rollouts. */
.report-experiment-rollouts-figure{margin-top:36px}
.report-experiment-rollouts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.report-experiment-rollouts.is-pair{grid-template-columns:repeat(2,minmax(0,1fr))}.report-experiment-rollouts.is-single{grid-template-columns:minmax(0,1fr)}
.report-experiment-rollouts article{min-width:0}
.report-experiment-rollouts video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:7px;background:#171817;box-shadow:0 10px 24px rgba(30,33,30,.07)}
.report-experiment-rollouts span{display:block;margin:9px 2px 0;color:#777b77;font:600 8px/1 'DM Mono',monospace;letter-spacing:.12em}
.report-rollout-title{display:block;margin:11px 2px 0;color:#363a36;font-size:13px;font-weight:600;line-height:1.4}.report-rollout-note{margin:6px 2px 0;color:#6b6f6b;font-size:11.5px;line-height:1.65}
.report-experiment-rollouts-figure figcaption{margin-top:13px}
.report-single-rollout-figure{max-width:520px;margin-right:auto;margin-left:auto}.report-single-rollout-figure figcaption{margin-right:2px;margin-left:2px}
@media(max-width:760px){.report-experiment-rollouts,.report-experiment-rollouts.is-pair{grid-template-columns:1fr;gap:20px}.report-experiment-rollouts span{margin-top:8px}.report-experiment-question{grid-template-columns:1fr;gap:8px;margin-top:36px}.report-experiment-question>span{padding-top:0}.report-experiment-question h3{font-size:19px}}