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@media(max-width:540px){.hero h1{font-size:82px}.paper-title{font-size:27px}.headline-results{grid-template-columns:1fr;padding-block:4px;gap:0}.headline-results>div{padding:20px 0!important;border-left:0!important;display:grid;grid-template-columns:1fr auto;gap:0 20px}.headline-results>div+div{border-top:1px solid var(--line)}.headline-results .metric-name{grid-column:1;font-size:12px}.headline-results strong{grid-column:2;grid-row:1/4;align-self:center;font-size:38px;margin:0}.headline-results p{grid-column:1;max-width:250px;margin:7px 0;font-size:12px}.headline-results a{grid-column:1;font-size:11px}.challenge-grid{grid-template-columns:1fr;gap:30px}.challenge-grid h3 br{display:none}.section-heading h2{font-size:37px}.section-heading>p:last-child{font-size:16px}.section{padding-block:60px}.method-section .section-heading h2{font-size:43px}.tabs{gap:16px;margin-bottom:25px}.tabs>button{font-size:13px;line-height:1.4;padding-block:13px}.compact{gap:16px}.compact>button{font-size:12px}.fixed-policy{grid-template-columns:1fr;gap:4px}.fixed-policy strong+span{margin-top:15px}.section-subhead{align-items:start;flex-direction:column;gap:16px}.section-subhead .compact{align-self:stretch;width:100%}.hbar-row{grid-template-columns:112px 1fr 54px;gap:8px;font-size:13px}.revision-block{padding:20px}table{font-size:13px}thead th{font-size:11px}th,td{padding:12px 6px}.demo-layout{grid-template-columns:1fr;gap:22px}.demo-copy h3{font-size:25px}.context-lines>div{grid-template-columns:92px 1fr;gap:14px}.context-lines dd{font-size:14px}.real-personalization .tabs{gap:14px}.real-personalization .tabs button{font-size:12px}.demo-results{font-size:14px}.safety-bars .hbar-row{grid-template-columns:98px 1fr 51px;font-size:13px;gap:9px}.safety-bars .hbar-row strong{font-size:19px}.safety-bars .hbar-track{height:23px}.vf-result{align-items:start;flex-direction:column;gap:6px}.safety-reading .highlight-number{font-size:48px}.video-pair{gap:12px}.video-caption{font-size:12px}.video-caption span:last-child{font-size:11px}.recovery-chart{height:280px;gap:6px}.columns{gap:10px;padding-inline:3px}.column b{font-size:12px}.column>span{font-size:11px}.chart-y{font-size:10px;width:30px}.rounds{gap:14px;font-size:11px}.token-block{padding:23px}.case-layout{gap:14px}.case-explanation h3{font-size:26px}.video-triple{grid-template-columns:1fr;gap:28px;max-width:420px}.video-triple .video-caption{font-size:15px;flex-direction:row}.real-recovery-result small{display:inline-block;margin-left:10px}.closing{padding-block:55px}.closing h2{font-size:32px}.closing p:not(.eyebrow){font-size:16px}.fine-print{font-size:12px!important}dialog{padding:15px}.dialog-top h2{font-size:17px}.dialog-close{white-space:nowrap}.hero-film .film-head{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.still-frame{width:100%;aspect-ratio:1;object-fit:cover;background:#0d1523}
.bench-tabs{margin-top:8px}[data-bench-block][hidden]{display:none}
.overview-film{margin:0}.overview-film video{width:100%;aspect-ratio:16/9;background:#000;object-fit:contain;border-radius:6px}.overview-film figcaption{display:flex;gap:14px;margin-top:12px;font-size:14px;color:var(--muted);line-height:1.6}
.hero.hero-stacked{display:block;padding-block:56px 64px}.hero-top{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:36px}.hero-top .hero-copy .paper-title{margin-top:0}.integrated-runs{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-bottom:44px}.integrated-runs .hero-film{max-width:none}.integrated-runs figcaption{font-size:14px;color:var(--muted);line-height:1.6;margin-top:10px}.integrated-keyframes{margin:0 0 40px}.integrated-keyframes img{width:100%;border-radius:4px}.integrated-keyframes figcaption{font-size:13px;color:var(--muted);line-height:1.7;margin-top:12px}.integrated-analysis{max-width:860px}.integrated-analysis p:last-child{font-size:17px;line-height:1.75}@media (max-width:900px){.hero-top{grid-template-columns:1fr;gap:12px;margin-bottom:26px}.integrated-runs{grid-template-columns:1fr;gap:28px}}

/* 2026-10: warm paper palette, legible evidence, and bilingual navigation. */
body{background:var(--paper);font-size:18px}.site-header{background:#fdfaf4f2}.site-header nav{font-size:15px;gap:22px}.nav-wrap{gap:22px}.wordmark i{background:#ae7850}.language-toggle{order:3;flex-shrink:0;border:1px solid #aaa496;border-radius:5px;background:transparent;padding:7px 13px;font-size:15px;font-weight:600;line-height:1.3}.language-toggle:hover{background:#ece7dc}
.section{padding-block:74px}.section-heading{margin-bottom:34px}.section-heading>p:last-child{font-size:19px;max-width:820px}.hero.hero-stacked{padding-block:42px 46px}.hero-top{margin-bottom:25px}.hero h1{font-size:clamp(4.5rem,7vw,7rem)}h2{font-size:clamp(2rem,3.8vw,3.4rem)}.hero-description,.challenge-grid p,.method-panel p{font-size:18px}.eyebrow,.small-label{font-size:14px;letter-spacing:.075em;margin-bottom:14px}.headline-results p,.headline-results .metric-name{font-size:16px}.headline-results a{font-size:14px}.headline-results strong{font-size:46px}
.method-section,.closing{background:#f0ece3}.method-steps p{font-size:17px;line-height:1.6}.method-steps strong{font-size:18px}.fixed-policy,.fixed-policy strong{font-size:15px}.architecture,.paper-figure{background:#fff}.revision-block,.token-block{background:#f1eee6}.mini-switch button,.dialog-close{background:var(--paper)}.query-situation{font-size:17px;min-height:0}.query-stat span,.hbar-row,.measure-title{font-size:16px}.fine-print,.case-note,.video-note,.metric-definition{font-size:15px!important;line-height:1.6}table{font-size:17px}thead th,caption{font-size:15px;line-height:1.5}.revision-block>p,.token-block p{font-size:16px}.context-lines dt{font-size:15px}.context-lines dd,.demo-results{font-size:17px}.demo-results p{font-size:15px}.tabs>button,.mini-switch button{font-size:16px}.video-caption{font-size:16px}.video-caption span:last-child{font-size:14px}.case-explanation p{font-size:17px}.case-explanation .small-label{font-size:14px}.rounds{font-size:15px;gap:16px}.column b{font-size:17px}.column>span{font-size:14px}.chart-y{font-size:13px}.real-recovery-result small{font-size:15px}.comparison-heading{margin-top:42px}.real-personalization{margin-top:52px;padding-top:34px}.case-study{margin-top:44px;padding-top:34px}.integrated-runs{margin-bottom:24px;gap:28px}.integrated-runs figcaption,.integrated-keyframes figcaption{font-size:16px}.keyframe-details{margin:20px 0 24px;padding-top:14px}.keyframe-details summary{font-size:16px}.keyframe-details .integrated-keyframes{margin:20px 0 0}.integrated-analysis p:last-child{font-size:18px;line-height:1.6}.closing{padding-block:50px}.closing p:not(.eyebrow){font-size:18px}.footer>p{font-size:16px}
.safety-section{background:#eeeee7;color:var(--ink)}.safety-section .eyebrow,.safety-section .small-label{color:var(--blue)}.safety-section .section-heading>p:last-child,.safety-section .fine-print,.safety-section .safety-reading>p,.safety-section .video-note,.safety-section .video-caption span:last-child,.safety-chart-title span{color:var(--muted)}.safety-section .tabs{border-color:#c8c8be}.safety-section .tabs button[aria-selected="true"],.safety-section .tabs button:hover{color:var(--blue);border-color:var(--blue)}.safety-bars .hbar-track{background:#dcded7}.safety-bars .hbar{background:#9caaaf}.safety-bars .hbar.vlsa{background:#698b9c}.safety-bars .hbar.ours{background:var(--blue)}.safety-reduction{border-color:#c8c8be;font-size:17px}.safety-reduction strong{color:var(--blue)}.safety-reduction span{color:var(--ink)}.safety-reduction small{font-size:15px;color:var(--muted)}.safety-section .video-caption{color:var(--ink)}.safety-reading>p{font-size:18px}.safety-chart-title{font-size:17px}.safety-chart-title span{font-size:15px}.safety-bars .hbar-row{font-size:17px}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3{letter-spacing:0;line-height:1.3}html[lang="zh-CN"] .eyebrow,html[lang="zh-CN"] .small-label{letter-spacing:.035em}html[lang="zh-CN"] .section-heading h2 br{display:none}html[lang="zh-CN"] .paper-title{line-height:1.45}html[lang="zh-CN"] .context-lines{line-height:1.65}
@media(max-width:1100px){.site-header nav{gap:14px;font-size:14px}.nav-wrap{gap:16px}.column>span{font-size:13px}}
@media(max-width:900px){.site-header nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:16px 24px;flex-direction:column;align-items:stretch}.site-header nav.open{display:flex}.site-header nav a{padding:10px 0}.menu-button{display:flex;gap:8px;margin-left:auto;background:none;border:0;font-size:16px}.language-toggle{order:3}.integrated-runs{grid-template-columns:1fr}}
@media(max-width:800px){.site-header nav{top:64px}.section{padding-block:55px}.section-heading>p:last-child,.challenge-grid p{font-size:17px}.method-steps p{font-size:17px}.case-explanation p{font-size:17px}.demo-layout{grid-template-columns:1fr;gap:25px}.context-lines>div{grid-template-columns:105px 1fr;gap:15px}.video-caption{font-size:15px}.video-caption span:last-child{font-size:14px}.video-triple .video-caption{flex-direction:column}.rounds{font-size:14px}.tabs{flex-wrap:wrap;gap:5px 18px}.tabs>button{font-size:16px}.safety-reading>p{font-size:17px}}
@media(max-width:540px){.nav-wrap{gap:14px}.section-heading h2{font-size:33px}.hero h1{font-size:76px}.paper-title{font-size:28px}.headline-results>div{grid-template-columns:1fr auto}.headline-results p{font-size:15px}.headline-results a,.headline-results .metric-name{font-size:14px}.headline-results strong{font-size:36px}.headline-results{gap:0}.container{width:calc(100% - 36px)}table{font-size:16px}thead th,caption{font-size:14px}th,td{padding:12px 6px}.revision-block{padding:20px 16px}.token-block{padding:22px}.hbar-row{font-size:15px;grid-template-columns:115px 1fr 60px}.measure-title{font-size:15px;gap:12px}.query-stat span{font-size:15px}.rounds{font-size:13px;gap:10px}.rounds b{font-size:17px}.columns{gap:7px;padding-inline:0}.column b{font-size:14px}.column>span{font-size:12px}.chart-y{font-size:12px;width:32px}.case-layout{gap:14px}.video-caption{font-size:14px}.video-caption span:last-child{font-size:13px}.safety-bars .hbar-row{font-size:15px;grid-template-columns:104px 1fr 52px}.safety-reading h3,.token-block h3{font-size:27px}.video-triple .video-caption{font-size:16px;flex-direction:row}.real-recovery-result small{font-size:15px}.real-personalization .tabs button{font-size:15px}.context-lines dt{font-size:14px}.context-lines dd,.demo-results{font-size:16px}.context-lines>div{grid-template-columns:95px 1fr}.integrated-runs figcaption{font-size:16px}.language-toggle{font-size:14px}.closing h2{font-size:29px}.fixed-policy,.fixed-policy strong{font-size:15px}}

/* Chinese copy: native typography and intact title phrases. */
html[lang="zh-CN"] body{font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif}html[lang="zh-CN"] .paper-title em{font-style:normal;white-space:nowrap}

/* Side navigation and a simpler motivation hierarchy. */
:root { --sidebar-width: 176px; }
body { padding-right: var(--sidebar-width); }
html { scroll-padding-top: 28px; }
.site-header.site-sidebar {
  position: fixed;
  inset: 0 0 0 auto;
  width: var(--sidebar-width);
  height: 100dvh;
  padding: 34px 16px 26px;
  border: 0;
  border-left: 1px solid var(--line);
  background: var(--paper);
  z-index: 30;
  overflow-y: auto;
}
.site-sidebar .nav-wrap {
  width: 100%;
  min-height: 100%;
  height: auto;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 30px;
}
.site-sidebar .wordmark { align-self: flex-start; font-size: 25px; }
.site-sidebar #navigation {
  position: static;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 5px;
  margin: clamp(18px, 8vh, 80px) 0 32px;
  padding: 0;
  background: transparent;
  border: 0;
  font-size: 14px;
}
.site-sidebar #navigation a {
  padding: 11px 9px;
  border-left: 2px solid transparent;
  line-height: 1.45;
}
.site-sidebar #navigation a:hover,
.site-sidebar #navigation a.active {
  color: var(--blue);
  border-left-color: var(--blue);
  background: #164bd909;
}
.site-sidebar .language-toggle { order: 3; align-self: flex-start; margin-top: auto; }
.menu-button { display: none; }
.nav-backdrop { display: none; }
#method .section-heading,
#method .section-heading > p:last-child { max-width: none; }
.challenge-grid .challenge-answer {
  color: var(--ink);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 0;
}
@media (max-width: 1099px) {
  body { padding-right: 0; overflow-x: clip; }
  html { scroll-padding-top: 84px; }
  html.navigation-open { overflow: hidden; }
  .site-header.site-sidebar {
    width: 250px;
    padding: 90px 24px 28px;
    transform: translateX(100%);
    transition: transform .2s ease;
    box-shadow: none;
  }
  .site-header.site-sidebar.is-open { transform: translateX(0); box-shadow: -8px 0 30px #17212b14; }
  .site-sidebar #navigation { margin-top: 22px; font-size: 16px; }
  .menu-button {
    display: flex;
    position: fixed;
    top: 16px;
    right: 18px;
    z-index: 32;
    align-items: center;
    gap: 12px;
    margin: 0;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--paper);
    font-size: 15px;
    line-height: 1.4;
  }
  .nav-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 29;
    width: 100%;
    height: 100%;
    border: 0;
    padding: 0;
    background: #17212b38;
  }
  .hero.hero-stacked { padding-top: 92px; }
}
@media (max-width: 600px) {
  .challenge-grid .challenge-answer { font-size: 17px; }
}

/* Let the Chinese motivation title use the full content width. */
html[lang="zh-CN"] #motivation .section-heading { max-width: none; }