@charset "UTF-8";
/* Dark is the default. Both themes share the same component rules. */
:root{
color-scheme:dark;
--paper:#090f1b;--ink:#e9f0fb;--muted:#9baec8;--line:#26354b;--line-strong:#45607b;
--surface:#111e31;--surface-alt:#0e192a;--hover:#1d3049;--disabled:#253246;--disabled-ink:#8c9bad;
--accent:#62bdff;--accent-bright:#82d7ff;--accent-soft:#142e48;--accent-line:#376b97;--orange:#ffa452;
--violet:#b6a2f3;--violet-soft:#28213f;--button:#72c5ff;--button-hover:#a0daff;--button-ink:#07182a;
--chart-primary:#53c7a5;--human-fill:#5fbaa0;--human-strong:#53c7a5;--control-track:#2a3a4e;--selection:#2b527a;--selection-ink:#ffffff;
--header-glass:#0a1423db;--header-highlight:#4c9bda14;--logo-glow:#349af523;
--hero-surface:#0a1322;--hero-grid:#78b4e408;--hero-blue:#146eb02c;--hero-orange:#d17c2c14;
--media:#111b2a;--media-deep:#060b12;--media-raised:#182537;--media-muted:#afc1d7;--media-ink:#e5eefb;--media-overlay:#101b2aeb;--media-track:#56718b70;--media-accent:#7bcaff;
--figure:#ffffff;--figure-ink:#53667e;--figure-line:#d4deeb;--figure-accent:#006bac;
--overlay:#030a14dc;--shadow:#02050c66;--glow:#59c9ff40;
--font:Inter,"Avenir Next",Avenir,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","WenQuanYi Micro Hei",sans-serif;
--serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;--ease:cubic-bezier(.2,.75,.3,1)
}

:root[data-theme=light]{
color-scheme:light;
--paper:#f5f8fd;--ink:#14273f;--muted:#526780;--line:#d5dfec;--line-strong:#99b0c9;
--surface:#ffffff;--surface-alt:#eaf1fa;--hover:#e3edf9;--disabled:#dee6ef;--disabled-ink:#66788c;
--accent:#006eae;--accent-bright:#087bbd;--accent-soft:#dcecfb;--accent-line:#8eb9db;--orange:#b14f0c;
--violet:#7154a9;--violet-soft:#e9e2f8;--button:#096eae;--button-hover:#065586;--button-ink:#ffffff;
--chart-primary:#187d68;--human-fill:#8cb8a2;--human-strong:#317a67;--control-track:#c9d7e7;--selection:#b9dfff;--selection-ink:#102840;
--header-glass:#f8fbffdf;--header-highlight:#ffffffb3;--logo-glow:#268be91c;
--hero-surface:#edf4fd;--hero-grid:#356b9e0b;--hero-blue:#3ba7f521;--hero-orange:#f2a6581a;
--overlay:#11243bd1;--shadow:#1d3c6226;--glow:#1599db24
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{color:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
img,video,svg{display:block;max-width:100%}
button{border:0}
p,h1,h2,h3,h4{margin:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
::selection{background:var(--selection);color:var(--selection-ink)}
.page-width{width:min(1280px,calc(100% - 112px));margin-inline:auto}
.section-space{padding:112px 0}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:600;line-height:1.5}
.section-number{color:var(--accent);margin-right:14px}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:56px;margin-bottom:48px}
.section-heading h2{font-size:clamp(36px,4.5vw,62px);line-height:1.08;letter-spacing:-.048em;font-weight:500;margin-top:24px}
.section-heading h2 em,h3 em{font-family:var(--serif);font-weight:400;color:var(--accent)}
.section-deck{max-width:330px;font-size:15px;line-height:1.7;color:var(--muted);padding-bottom:3px}
.small-note{font-size:11px;line-height:1.7;color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{color:var(--ink);position:fixed;top:-60px;left:20px;z-index:100;background:var(--surface);padding:12px 24px}
.skip-link:focus{top:12px}

/* The logo supplies the only saturated illustration in the navigation. */
.site-header{position:absolute;top:0;left:0;right:0;min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:12px 56px;color:var(--ink);z-index:20;background:var(--header-glass);border-bottom:1px solid var(--line);box-shadow:0 1px 0 var(--header-highlight);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}

.header-logo{display:block;width:246px;max-width:34%;flex:none;filter:drop-shadow(0 0 18px var(--logo-glow))}

.header-logo img{width:100%;height:auto}

.wordmark{font-size:20px;font-weight:650;letter-spacing:-.07em;display:flex;align-items:center;white-space:nowrap}

.wordmark>span{font-weight:350}

.site-header nav{display:flex;align-items:center;gap:26px;font-size:12px;color:var(--muted);white-space:nowrap}

.site-header nav a{padding:10px 0;position:relative;transition:color .2s}

.site-header nav a:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;transform:scaleX(0);transform-origin:left;background:var(--orange);transition:transform .2s}

.site-header nav a:hover{color:var(--ink)}

.site-header nav a:hover:after{transform:scaleX(1)}

.header-actions,.header-controls{display:flex;align-items:center;gap:20px;flex:none}

.header-controls{gap:12px;padding-left:20px;border-left:1px solid var(--line)}

.header-link{font-size:12px;display:flex;gap:7px;align-items:center;white-space:nowrap;min-height:38px;transition:color .2s}

.header-link span{font-size:16px;color:var(--orange)}

.header-link:hover{color:var(--accent)}

.language-toggle{font-size:11px;font-weight:600;letter-spacing:.02em;display:flex;align-items:center;justify-content:center;min-width:30px;min-height:38px;color:var(--muted)}

.language-toggle:hover{color:var(--accent)}

.theme-toggle{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--line);border-radius:11px;color:var(--accent);transition:background .2s,border-color .2s}

.theme-toggle:hover{background:var(--accent-soft);border-color:var(--accent-line)}

.theme-toggle svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.theme-icon-moon{display:none}

:root[data-theme=light] .theme-icon-moon{display:block}

:root[data-theme=light] .theme-icon-sun{display:none}

.hero{position:relative;background:var(--hero-surface);color:var(--ink);overflow:hidden;padding:174px 0 66px}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--hero-grid) 1px,transparent 1px),linear-gradient(90deg,var(--hero-grid) 1px,transparent 1px);background-size:88px 88px;mask-image:linear-gradient(to right,transparent,#000)}
.hero-glow{position:absolute;right:-10%;top:6%;width:85%;height:100%;background:radial-gradient(ellipse at 42% 40%,var(--hero-blue),transparent 60%),radial-gradient(ellipse at 78% 58%,var(--hero-orange),transparent 56%);pointer-events:none}
.hero-content{position:relative;z-index:3}
.hero-eyebrow{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:12px}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;box-shadow:0 0 14px var(--glow);flex:none}
.hero h1{font-size:clamp(66px,6.5vw,92px);line-height:1.03;letter-spacing:-.058em;font-weight:400;margin-top:28px;max-width:1040px}
.hero h1 em{font-family:var(--serif);color:var(--accent-bright);font-weight:400;letter-spacing:inherit}
.hero-deck{font-size:17px;line-height:1.75;color:var(--muted);margin-top:26px;max-width:740px}
.hero-bottom{margin-top:28px;display:flex;align-items:center;gap:32px}
.scroll-cue{width:48px;height:48px;border:1px solid var(--line-strong);border-radius:50%;font-size:0;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s;flex:none}
.scroll-cue span{font-size:21px}
.scroll-cue:hover{background:var(--accent-soft);border-color:var(--accent)}

/* Task and motivation are separate steps in the page narrative. */
.interaction-section{position:relative;border-bottom:1px solid var(--line);background:var(--paper)}
.interaction-section .section-deck{max-width:365px}
.scenario-toolbar{display:flex;align-items:center;gap:24px;margin-bottom:18px}
.concept-label{font-size:9px;line-height:1.6;color:var(--muted);white-space:nowrap;letter-spacing:.04em}
.scenario-tabs{flex:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:0}
.scenario-tabs button{position:relative;min-width:0;min-height:64px;padding:17px 22px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--muted);font-size:13px;line-height:1.5;text-align:left;transition:color .2s,background .2s,border-color .2s}
.scenario-tabs button:hover{color:var(--ink);border-color:var(--line-strong)}
.scenario-tabs button.active,.scenario-tabs button[aria-selected=true]{color:var(--accent);background:var(--accent-soft);border-color:var(--accent-line)}
.scenario-tabs button[aria-selected=true]:after{content:"";position:absolute;left:22px;bottom:-1px;width:26px;height:2px;background:var(--orange)}
.scenario-panel{border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:0 20px 60px var(--shadow);overflow:hidden}
.scenario-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr)}
.scenario-scene{position:relative;min-width:0;padding:35px 40px 30px;background:radial-gradient(ellipse at 55% 38%,var(--hero-blue),transparent 68%),var(--surface)}
.scenario-context{position:relative;z-index:1;min-height:72px}
.scenario-context>p:first-child,.scenario-context>span:first-child{font-size:10px;line-height:1.5;letter-spacing:.12em;text-transform:uppercase;color:var(--orange);margin-bottom:8px}
#scenario-context-description{font-size:14px;line-height:1.7;color:var(--muted);max-width:420px}
.conversation-pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;margin:26px auto 24px;max-width:420px;position:relative}
.conversation-connection{position:absolute;left:50%;top:75px;transform:translateX(-50%);display:flex;gap:4px}
.conversation-connection i{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}
.conversation-connection i:nth-child(2){background:var(--accent)}
.conversation-person{--person-accent:var(--accent);position:relative;display:flex;flex-direction:column;align-items:center;min-width:0;color:var(--person-accent);text-align:center}
.user-person{--person-accent:var(--orange)}
.conversation-person>svg{height:156px;width:156px;max-width:100%;overflow:visible;transform-origin:50% 75%;transition:transform .4s var(--ease)}
.head-outline{stroke:var(--person-accent);fill:var(--surface-alt);stroke-width:1.5}
.head-feature,.head-mouth{stroke:var(--person-accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.head-neck{stroke:var(--person-accent);fill:var(--accent-soft);stroke-width:1.5}
.conversation-person>p,.conversation-person>strong,.conversation-person>span:not(.person-state){font-size:12px;font-weight:500;line-height:1.5;color:var(--ink);margin-top:5px;max-width:100%;overflow-wrap:anywhere}
.person-state{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:9px;line-height:1.5;min-height:25px;margin-top:8px;padding:3px 9px;border:1px solid var(--line);border-radius:20px;color:var(--muted);background:var(--surface)}
.person-state:before{content:"";width:4px;height:4px;border-radius:50%;background:var(--muted);flex:none}
.conversation-person[data-state=speaking] .person-state,.conversation-person[data-state=overlap] .person-state{color:var(--person-accent);border-color:var(--person-accent)}
.conversation-person[data-state=speaking] .person-state:before,.conversation-person[data-state=overlap] .person-state:before{background:var(--person-accent)}
.conversation-person[data-state=speaking]>svg{transform:rotate(-3deg)}
.conversation-person[data-state=listening]>svg{transform:rotate(2deg)}
.conversation-quote{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:16px 18px;min-height:108px}
.conversation-quote p{display:grid;grid-template-columns:55px minmax(0,1fr);gap:10px;font-size:12px;line-height:1.8;color:var(--ink)}
.conversation-quote p+p{margin-top:9px}
.conversation-quote p>span:first-child{color:var(--muted);font-size:10px;line-height:2.1}
.conversation-quote q{quotes:none;color:var(--ink)}
.task-signal-path{display:grid;grid-template-columns:minmax(0,1fr) 20px minmax(0,1fr);align-items:center;justify-content:center;gap:15px;margin-top:22px;font-size:10px;line-height:1.6;color:var(--muted);text-align:center}
.task-inputs{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:3px 7px}
.task-inputs b{font-size:9px;font-weight:400;color:var(--line-strong)}
.task-arrow{font-size:18px;color:var(--accent)}
.task-output{display:flex;flex-direction:column;gap:3px;min-width:0}
.task-output>span{font-size:9px;color:var(--muted)}
.task-signal-path strong{font-size:10px;font-weight:500;color:var(--accent)}
.hero-task-map{max-width:760px;margin-top:30px;padding:18px 24px;border:1px solid var(--accent-line);border-radius:12px;background:var(--header-glass)}
.hero-task-map.task-signal-path{grid-template-columns:minmax(0,1.3fr) 24px minmax(0,1fr);font-size:13px;gap:24px}
.hero-task-map.task-signal-path strong{font-size:13px}
.hero-task-map .task-output>span{font-size:10px}
.hero-task-map .task-inputs{gap:8px 12px}
.task-definition{display:flex;flex-direction:column;justify-content:center;min-width:0;padding:40px;border-left:1px solid var(--line);background:var(--surface-alt)}
.task-definition>.eyebrow{color:var(--accent);font-size:10px}
.task-definition h3{font-size:31px;font-weight:500;line-height:1.25;letter-spacing:-.035em;margin-top:15px}
.task-definition>p:not(.eyebrow){font-size:14px;line-height:1.8;color:var(--muted);margin-top:17px}
.task-io{display:grid;gap:20px;margin-top:28px}
.task-io>div{border-top:1px solid var(--line);padding-top:17px}
.task-io h4{font-size:11px;line-height:1.6;font-weight:500;color:var(--accent)}
.task-io p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:5px}
.motivation-section{background:var(--paper)}
.motivation-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:32px;align-items:center}
.psychology-note{display:grid;grid-template-columns:minmax(0,.55fr) minmax(0,1.45fr);column-gap:40px;row-gap:15px;padding:27px 30px;margin-bottom:34px;border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:10px;background:var(--surface)}
.psychology-note>.eyebrow{color:var(--orange);font-size:10px;line-height:1.8}
.psychology-note>p:not(.eyebrow){font-size:14px;line-height:1.8;color:var(--muted)}
.psychology-note strong{font-weight:500;color:var(--ink)}
.psychology-reference{grid-column:2;display:grid;grid-template-columns:minmax(0,1fr) 18px;gap:2px 15px;font-size:10px;line-height:1.7;color:var(--accent)}
.psychology-reference cite{grid-column:1;font-style:normal;color:var(--muted)}
.psychology-reference>span:last-child{grid-column:2;grid-row:1/3;align-self:center;font-size:18px}
.psychology-reference:hover cite{color:var(--ink)}
.figure-button.motivation-figure{border:1px solid var(--figure-line);border-radius:12px;background:var(--figure);padding:24px 20px 48px}
.section-bridge{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-top:48px;padding-top:22px;border-top:1px solid var(--line)}
.section-bridge p{max-width:760px;font-size:12px;line-height:1.8;color:var(--muted)}
.section-bridge a{display:flex;align-items:center;gap:16px;color:var(--accent);font-size:11px;line-height:1.6;flex:none}
.section-bridge a:hover{color:var(--ink)}
.section-bridge a>span:last-child{font-size:17px}
.figure-detail-link{display:inline-flex;align-items:center;gap:16px;background:transparent;border-bottom:1px solid var(--accent-line);padding:8px 0;margin-top:24px;color:var(--accent);font-size:11px;line-height:1.6;text-align:left}
.figure-detail-link:hover{color:var(--ink);border-color:var(--ink)}
.figure-detail-link>span:last-child{font-size:18px}
.scenario-aim-label{display:block;font-size:9px;font-weight:500;color:var(--ink);margin-bottom:3px}
.scenario-aim{font-size:11px;line-height:1.8;color:var(--muted);margin-top:12px;text-align:center}
.scenario-quote-note{font-size:9px;line-height:1.6;color:var(--muted);margin-top:8px}
.learning-lane[data-phase="1"],.learning-lane[data-phase="2"]{border-left:3px solid var(--accent)}
.motivation-panel{display:flex;flex-direction:column;min-width:0;padding:32px;border:1px solid var(--line);border-radius:12px;background:var(--surface-alt)}
.conversation-phases{display:flex;gap:5px;padding:4px;border:1px solid var(--line);border-radius:9px;background:var(--surface);margin-bottom:30px}
.conversation-phases button{min-width:0;flex:1;background:transparent;border-radius:5px;padding:9px 6px;font-size:10px;line-height:1.5;color:var(--muted);transition:color .2s,background .2s}
.conversation-phases button:hover{color:var(--ink);background:var(--hover)}
.conversation-phases button.active,.conversation-phases button[aria-selected=true]{color:var(--button-ink);background:var(--button)}
.phase-content{min-width:0;flex:1;outline-offset:8px}
.phase-label{font-size:9px;line-height:1.5;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
#interaction-title{font-size:27px;line-height:1.25;font-weight:500;letter-spacing:-.035em;max-width:430px}
#interaction-description{font-size:13px;line-height:1.8;color:var(--muted);margin-top:15px;min-height:94px}
.adaptation-lanes{display:grid;gap:10px;margin-top:23px}
.adaptation-lane{position:relative;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.3fr);align-items:center;gap:20px;padding:14px 27px 14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:11px;line-height:1.65}
.adaptation-lane>strong,.adaptation-lane>span:first-child,.adaptation-lane>p:first-child{font-weight:500;color:var(--muted)}
.adaptation-lane .lane-status{color:var(--muted);font-size:10px}
.learning-lane{border-color:var(--accent-line);background:var(--accent-soft)}
.learning-lane>strong,.learning-lane>span:first-child,.learning-lane>p:first-child{color:var(--accent)}
.learning-lane .lane-status{color:var(--ink)}
.lane-state-dots{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:4px}
.lane-state-dots i{height:3px;width:3px;background:var(--line-strong);border-radius:50%}
.learning-lane .lane-state-dots i:first-child,.learning-lane[data-phase="1"] .lane-state-dots i:nth-child(2),.learning-lane[data-phase="2"] .lane-state-dots i{background:var(--accent)}
.interaction-insight{margin-top:22px;border-left:2px solid var(--orange);padding:2px 0 2px 13px;font-size:11px;line-height:1.8;color:var(--muted)}
.interaction-insight strong{color:var(--ink);font-weight:500}
:lang(zh) #interaction-title{line-height:1.45;letter-spacing:normal}
:lang(zh) .scenario-tabs button{letter-spacing:normal}
@media(max-width:1150px){.scenario-scene{padding:30px}.motivation-panel{padding:30px}.conversation-pair{gap:25px}.adaptation-lane{gap:12px;padding:12px 27px 12px 12px}#interaction-title{font-size:25px}}
@media(max-width:820px){.scenario-layout{grid-template-columns:minmax(0,1fr)}.scenario-scene{padding:30px}.scenario-context{min-height:0}.conversation-pair{margin-block:20px;max-width:390px}.conversation-quote{min-height:0}.motivation-panel{border-left:0;border-top:1px solid var(--line);padding:30px}.conversation-phases{margin-bottom:25px}.conversation-phases button{font-size:11px}.phase-content{min-height:0}#interaction-description{min-height:0;max-width:570px}.adaptation-lane{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}.scenario-tabs button{padding:14px 17px;font-size:12px}}
@media(max-width:600px){.scenario-toolbar{display:block;margin-bottom:12px}.concept-label{margin-top:9px;font-size:8px}.scenario-tabs{gap:6px;margin-bottom:0}.scenario-tabs button{padding:11px 9px;min-height:59px;font-size:10px;line-height:1.6;border-radius:8px;text-align:center}.scenario-tabs button[aria-selected=true]:after{left:calc(50% - 11px);width:22px}.scenario-panel{border-radius:12px}.scenario-scene,.motivation-panel{padding:23px 17px}.scenario-context>p:first-child,.scenario-context>span:first-child{font-size:8px;letter-spacing:.08em}#scenario-context-description{font-size:12px;line-height:1.8}.conversation-pair{gap:20px;margin:20px 0}.conversation-connection{top:58px;gap:3px}.conversation-person>svg{width:120px;height:120px}.conversation-person>p,.conversation-person>strong,.conversation-person>span:not(.person-state){font-size:10px}.person-state{font-size:8px;gap:4px;padding:3px 7px;min-height:24px;margin-top:7px}.conversation-quote{padding:12px}.conversation-quote p{grid-template-columns:40px minmax(0,1fr);gap:7px;font-size:10px;line-height:1.9}.conversation-quote p>span:first-child{font-size:8px;line-height:2.4}.task-signal-path{gap:8px;font-size:8px;margin-top:17px}.task-signal-path strong{font-size:8px}.task-output>span{font-size:7px}.task-inputs{gap:3px 5px}.scenario-aim-label{font-size:8px}.scenario-aim{font-size:9px;line-height:1.8}.scenario-quote-note{font-size:8px}.conversation-phases{margin-bottom:23px;gap:2px;padding:3px}.conversation-phases button{padding:8px 4px;font-size:9px;line-height:1.6}.phase-label{font-size:8px;margin-bottom:9px}#interaction-title{font-size:23px;line-height:1.3}#interaction-description{font-size:11px;line-height:1.9;margin-top:12px}.adaptation-lanes{margin-top:20px;gap:8px}.adaptation-lane{grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);padding:11px 24px 11px 10px;gap:12px;font-size:9px}.adaptation-lane .lane-status{font-size:9px}.interaction-insight{font-size:10px;margin-top:18px;padding-left:11px}:lang(zh) #interaction-title{font-size:22px}}

.publication{padding-top:58px;padding-bottom:58px;display:flex;justify-content:space-between;gap:70px;border-bottom:1px solid var(--line)}
.publication>div:first-child{max-width:800px}
.publication .eyebrow{color:var(--accent);margin-bottom:15px}
.paper-title{font-size:24px;line-height:1.35;letter-spacing:-.02em;font-weight:500;max-width:660px}
.authors{margin-top:22px;font-size:13px;line-height:2}
.authors a:hover{text-decoration:underline}
.authors span{display:inline-block;margin-right:13px}
.authors sup{font-size:8px;color:var(--accent);padding-left:2px}
.affiliations{font-size:10px;color:var(--muted);line-height:1.8;margin-top:6px}
.publication-links{display:flex;flex-direction:column;gap:10px;flex:none;min-width:157px;justify-content:center}
.button{border-radius:7px;padding:10px 17px;display:flex;align-items:center;justify-content:space-between;gap:30px;font-size:11px;letter-spacing:.025em;transition:background .2s,color .2s}
.button span{font-size:18px}
.button-dark{background:var(--button);color:var(--button-ink);border:1px solid var(--button)}
.button-dark:hover{background:var(--button-hover);border-color:var(--button-hover)}
.button-outline{border:1px solid var(--line-strong)}
.button-outline:hover{background:var(--hover)}
.button.is-disabled{cursor:default;background:var(--disabled);border-color:var(--disabled);color:var(--disabled-ink)}
.text-link{font-size:11px;display:flex;justify-content:space-between;padding:8px 1px}
.text-link:hover{color:var(--accent)}

.case-section{padding-top:100px}
.case-selector{display:flex;border-bottom:1px solid var(--line);margin-bottom:24px;gap:0;overflow-x:auto;scrollbar-width:thin}
.case-tab{background:transparent;display:flex;flex-direction:column;align-items:flex-start;gap:5px;padding:18px 20px 17px 0;margin-right:28px;text-align:left;border-bottom:2px solid transparent;flex:1;min-width:140px;transition:border-color .2s,color .2s}
.case-tab>span{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.case-tab strong{font-size:12px;font-weight:500;white-space:nowrap}
.case-tab.active{border-color:var(--accent);color:var(--accent)}
.case-tab.active>span{color:var(--accent)}
.case-tab:hover{color:var(--accent)}
.cinema{background:var(--media);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 16px 52px var(--shadow)}
.cinema-top{height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;color:var(--media-muted);font-size:10px;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line)}
.cinema-top>div{display:flex;align-items:center;gap:9px}
.cinema-top .status-dot{background:var(--media-accent);width:5px;height:5px}
.video-stage{position:relative;background:var(--media-deep);display:flex;align-items:center;justify-content:center;min-height:180px}
.video-stage video{width:100%;max-height:74vh;object-fit:contain;aspect-ratio:16/9;background:var(--media-deep)}
.video-status{--button-ink:var(--media-ink);position:absolute;inset:auto 20px 20px;background:var(--media-overlay);color:var(--button-ink);padding:14px;font-size:13px;border-radius:4px}
.video-controls{--accent:var(--media-accent);display:flex;align-items:center;gap:17px;height:62px;padding:0 18px;border-top:1px solid var(--line);color:var(--media-ink)}
.icon-button{height:34px;width:34px;background:transparent;display:flex;align-items:center;justify-content:center;flex:none;border-radius:3px}
.icon-button:hover{background:var(--media-raised)}
.icon-button svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
#play-button svg{fill:currentColor;stroke:none}
#mute-button svg path:first-child{fill:currentColor;stroke:none}
#mute-button[aria-pressed=true] .sound-waves{display:none}
.video-time{font-size:10px;white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--media-muted);width:80px}
.seek-label{flex:1;display:flex;align-items:center}
.seek-label input{width:100%;height:3px;appearance:none;background:linear-gradient(to right,var(--accent) var(--seek,0%),var(--media-track) var(--seek,0%));border-radius:10px;cursor:pointer}
.seek-label input::-webkit-slider-thumb{appearance:none;background:var(--accent);height:9px;width:9px;border-radius:50%}
.seek-label input::-moz-range-thumb{background:var(--accent);height:9px;width:9px;border:0;border-radius:50%}
.speed-label select{color:var(--media-ink);background:var(--media);border:0;padding:4px;font-size:11px;cursor:pointer}
.moment-bar{display:flex;align-items:center;justify-content:space-between;padding:11px 24px;background:var(--media-raised);color:var(--media-muted);font-size:10px;border-top:1px solid var(--hover)}
.moment-bar>div{display:flex;gap:28px}
.moment-bar button{color:var(--media-ink);background:transparent;font-size:10px;padding:5px 0;display:flex;gap:20px}
.moment-bar button:hover{color:var(--media-accent)}
.case-description{display:flex;justify-content:space-between;gap:40px;margin-top:25px;align-items:flex-start}
.case-description h3{font-size:17px;font-weight:500;letter-spacing:-.02em}
.case-description>div>p{font-size:13px;color:var(--muted);margin-top:6px;max-width:720px}
.case-description>.small-note{max-width:280px;flex:none;text-align:right}

.idea-section{background:var(--surface-alt)}
.method-interactive{display:grid;grid-template-columns:.82fr 1.65fr;gap:90px;align-items:center;margin:64px 0}
.method-steps{display:flex;flex-direction:column}
.method-step{display:flex;align-items:center;gap:22px;background:transparent;text-align:left;border-bottom:1px solid var(--line);padding:27px 0;opacity:.8;transition:opacity .2s}
.method-step:first-child{border-top:1px solid var(--line)}
.method-step.active,.method-step:hover{opacity:1}
.step-index{font-size:11px;color:var(--muted);align-self:flex-start;padding-top:4px}
.method-step strong{font-size:23px;font-weight:500;letter-spacing:-.035em;display:block;line-height:1.3}
.method-step small{display:block;font-size:10px;color:var(--muted);margin-top:6px}
.step-arrow{margin-left:auto;font-size:27px;opacity:0;color:var(--accent);transition:opacity .2s,transform .2s}
.method-step.active .step-arrow{opacity:1;transform:rotate(45deg)}
.method-step.active strong,.method-step.active .step-index{color:var(--accent)}
.method-panel{min-height:340px;outline-offset:15px}
.panel-kicker{text-transform:uppercase;font-size:9px;letter-spacing:.13em;color:var(--accent);margin-bottom:12px}
.method-panel h3{font-size:29px;line-height:1.25;letter-spacing:-.035em;font-weight:500}
.method-panel>p:not(.panel-kicker){font-size:14px;line-height:1.8;color:var(--muted);margin-top:13px;max-width:600px}
.method-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:19px}
.method-tags span{background:var(--accent-soft);font-size:9px;letter-spacing:.03em;color:var(--accent);border:1px solid var(--line-strong);padding:4px 9px;border-radius:20px}
.flow-visual{height:123px;position:relative;display:flex;align-items:center;margin-bottom:25px;gap:20px;color:var(--accent)}
.flow-source{display:flex;flex-direction:column;gap:9px;text-align:center;align-items:center;font-size:8px;letter-spacing:.04em;min-width:64px}
.flow-glyph{width:45px;height:45px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:50%;font-size:24px;color:var(--accent)}
.face-glyph{font-size:31px}
.audio-wave{height:45px;display:flex;align-items:center;gap:3px}
.audio-wave i{width:3px;height:9px;background:var(--accent);border-radius:4px}
.audio-wave i:nth-child(2),.audio-wave i:nth-child(6){height:17px}
.audio-wave i:nth-child(3),.audio-wave i:nth-child(5){height:26px}
.audio-wave i:nth-child(4){height:37px}
.flow-join{height:1px;min-width:26px;flex:1;background:var(--line-strong);position:relative}
.flow-join:after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-top:1px solid var(--line-strong);border-right:1px solid var(--line-strong);transform:rotate(45deg)}
.flow-core{height:90px;width:90px;flex:none;border:1px solid var(--line-strong);border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;background:var(--accent-soft);color:var(--accent);font-size:11px;line-height:1.5;text-align:center}
.core-orbit{position:absolute;inset:-8px;border:1px dashed var(--line-strong);border-radius:50%}
.core-orbit:after{content:"";width:5px;height:5px;background:var(--accent);position:absolute;left:15px;top:8px;border-radius:50%}
.flow-end{display:flex;align-items:center;gap:14px;font-size:10px;flex:1;justify-content:center;position:relative;margin-left:15px}
.flow-end:before{content:"";width:20px;height:1px;background:var(--line-strong);position:absolute;left:-21px;top:50%}
.flow-end .flow-glyph{height:40px;width:40px;border:0;font-size:30px}
.method-panel[data-stage=learn] .core-orbit{border-color:var(--accent-line)}
.method-panel[data-stage=learn] .flow-core{background:var(--violet-soft);border-color:var(--violet);color:var(--violet)}
.method-panel[data-stage=respond] .flow-end .flow-glyph{background:var(--accent-soft)}
.figure-button{padding:0;background:transparent;text-align:inherit;width:100%;position:relative;overflow:hidden}
.figure-button>img{width:100%;height:auto}
.method-figure{border-radius:10px;background:var(--figure);border:1px solid var(--figure-line);padding:28px 24px 58px}
.figure-enlarge{position:absolute;right:19px;bottom:13px;display:flex;align-items:center;gap:18px;font-size:9px;color:var(--figure-ink)}
.figure-enlarge>span{font-size:20px}
.figure-button:hover .figure-enlarge{color:var(--figure-accent)}
.figure-button img{transition:opacity .2s}
.figure-button:hover img{opacity:.88}
.figure-caption{font-size:11px;line-height:1.8;max-width:920px;margin-top:17px;color:var(--muted)}

.results-section{background:var(--paper)}
.results-workbench{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0 34px}
.chart-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.chart-toolbar .segmented{max-width:100%;flex-wrap:wrap}
.chart-toolbar .segmented button{min-width:0;flex:1;white-space:normal}
.segmented{background:var(--surface);display:inline-flex;gap:3px;border:1px solid var(--line);padding:4px;border-radius:3px}
.segmented button{padding:8px 20px;font-size:11px;background:transparent;color:var(--muted);border-radius:2px;transition:background .2s,color .2s;white-space:nowrap}
.segmented button.active{background:var(--button);color:var(--button-ink)}
.segmented button:not(.active):hover{background:var(--hover)}
.toggle-label{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--muted);cursor:pointer}
.toggle-label input{position:absolute;opacity:0;width:1px;height:1px}
.toggle-switch{width:27px;height:15px;border-radius:12px;background:var(--control-track);display:inline-block;position:relative;transition:background .2s}
.toggle-switch:after{content:"";position:absolute;height:9px;width:9px;top:3px;left:3px;background:var(--surface);border-radius:50%;transition:transform .2s}
.toggle-label input:checked+.toggle-switch{background:var(--accent)}
.toggle-label input:checked+.toggle-switch:after{transform:translateX(12px)}
.toggle-label input:focus-visible+.toggle-switch{outline:2px solid var(--accent);outline-offset:4px}
.chart-layout{display:grid;grid-template-columns:1fr 235px;gap:55px;margin-top:34px;align-items:center}
.chart-label{font-size:11px;font-weight:500;letter-spacing:.01em}
.chart-label>span{font-weight:400;color:var(--muted)}
.adaptation-chart{width:100%;height:auto;margin-top:10px;overflow:visible}
.chart-axis{fill:var(--muted);font-size:11px;font-family:var(--font)}
.chart-grid{stroke:var(--line);stroke-width:1}
.chart-grid.base{stroke:var(--line-strong);stroke-dasharray:4 5}
.chart-path{opacity:1;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.chart-path.primary{stroke-width:3}
.chart-point{stroke-width:2;cursor:pointer}
.chart-point:focus{outline:none;stroke:var(--ink);stroke-width:3}
.chart-legend{display:flex;flex-wrap:wrap;gap:10px 19px;font-size:9px;color:var(--muted);margin-top:0}
.chart-legend span{display:flex;align-items:center;gap:6px}
.chart-legend i{height:2px;width:14px;display:inline-block}
.chart-footnote{font-size:10px;color:var(--muted);line-height:1.7;margin-top:20px;max-width:650px}
.chart-stat{align-self:center;padding-bottom:35px}
.chart-stat .eyebrow{font-size:9px;color:var(--muted);letter-spacing:.1em}
.chart-stat>strong{display:block;font-size:78px;font-weight:400;line-height:1.2;letter-spacing:-.065em;color:var(--accent);margin-top:14px}
.chart-stat>strong>span{font-size:32px;margin-left:3px;letter-spacing:-.03em}
.chart-stat>p:not(.small-note){font-size:12px;line-height:1.6;color:var(--muted);margin-top:3px}
.stat-rule{width:30px;height:1px;background:var(--line-strong);margin:23px 0 16px}
.chart-readout{font-size:10px;min-height:24px;color:var(--accent);line-height:1.5;margin-top:16px}
.human-results{display:grid;grid-template-columns:1fr 1.15fr;gap:120px;padding-top:68px;align-items:center}
.human-results h3{font-size:34px;line-height:1.15;letter-spacing:-.035em;font-weight:500;margin:18px 0}
.human-results>div>p:not(.eyebrow):not(.chart-label):not(.small-note){font-size:13px;color:var(--muted);max-width:350px}
.human-chart>.chart-label{margin-bottom:22px}
.human-bar{display:grid;grid-template-columns:72px 1fr 40px;gap:13px;align-items:center;margin:15px 0;font-size:10px;color:var(--muted)}
.human-bar-track{height:18px;background:var(--control-track);position:relative;overflow:hidden}
.human-bar-track:after{content:"";position:absolute;top:0;bottom:0;left:50%;border-left:1px dashed var(--line-strong)}
.human-bar-fill{height:100%;background:var(--human-fill)}
.human-bar:last-child .human-bar-fill{background:var(--human-strong)}
.human-bar-value{text-align:right;color:var(--accent)}
.human-chart>.small-note{margin-top:24px;font-size:10px;max-width:460px}

.benchmark-section{background:var(--surface-alt);color:var(--ink)}
.benchmark-section .section-number{color:var(--accent)}
.benchmark-section .eyebrow{color:var(--muted)}
.benchmark-section h2 em{color:var(--accent)}
.benchmark-number{display:flex;flex-direction:column;color:var(--muted);padding-bottom:8px;font-size:10px;letter-spacing:.05em}
.benchmark-number strong{font-size:60px;font-weight:400;line-height:1.15;letter-spacing:-.05em;color:var(--ink)}
.benchmark-number strong span{font-size:25px;margin-left:5px;color:var(--accent)}
.benchmark-intro{display:flex;align-items:center;justify-content:space-between;gap:60px;border-top:1px solid var(--line);padding-top:30px}
.benchmark-intro>p{max-width:670px;font-size:14px;color:var(--muted);line-height:1.8}
.benchmark-tabs{border-color:var(--line);flex:none}
.benchmark-tabs button{color:var(--muted)}
.benchmark-tabs button.active{background:var(--button);color:var(--button-ink)}
.benchmark-tabs button:not(.active):hover{background:var(--hover)}
.benchmark-format{display:grid;grid-template-columns:1.25fr 1fr;gap:100px;align-items:center;padding:50px 0 45px}
.benchmark-format h3{font-size:22px;line-height:1.3;font-weight:500;letter-spacing:-.02em;margin:12px 0}
.benchmark-format>div>p:not(.eyebrow){font-size:12px;line-height:1.8;color:var(--muted)}
.format-drawing{display:flex;align-items:center;gap:24px}
.camera-frame{height:134px;width:210px;border:1px solid var(--line-strong);position:relative;display:flex;gap:38px;align-items:center;justify-content:center;background:var(--accent-soft)}
.camera-frame>span{position:absolute;bottom:9px;font-size:8px;letter-spacing:.05em;color:var(--muted)}
.person{width:42px;height:60px;position:relative}
.person i{display:block;width:25px;height:28px;border:1px solid var(--line-strong);border-radius:45%;position:absolute;left:9px;top:0;background:var(--accent-soft)}
.person b{display:block;width:42px;height:26px;border:1px solid var(--line-strong);border-bottom:0;border-radius:23px 23px 0 0;position:absolute;bottom:0}
.person-two i,.person-two b{border-color:var(--violet)}
.person-two i{background:var(--violet-soft)}
.format-arrow{color:var(--muted);font-size:22px}
.aligned-streams{display:flex;flex-direction:column;gap:9px;color:var(--muted);font-size:9px;white-space:nowrap}
.aligned-streams span{display:flex;align-items:center;gap:8px}
.aligned-streams i{height:4px;width:18px;background:var(--accent)}
.aligned-streams span:nth-child(2) i{width:26px}
.aligned-streams span:nth-child(3) i{width:20px;background:var(--violet)}
.aligned-streams span:nth-child(4) i{width:30px;background:var(--violet)}
.dual-format .camera-frame{gap:42px;border-color:transparent;background:transparent}
.dual-format .camera-frame:before,.dual-format .camera-frame:after{content:"";position:absolute;height:114px;width:96px;top:9px;border:1px solid var(--line-strong);background:var(--accent-soft)}
.dual-format .camera-frame:before{left:0}
.dual-format .camera-frame:after{right:0;border-color:var(--violet)}
.dual-format .person{z-index:1}
.dual-format .camera-frame>span{z-index:2}
.benchmark-figures{margin-top:32px;display:grid;grid-template-columns:1.55fr 1fr;gap:20px}
.benchmark-figures .figure-button{background:var(--figure);border:1px solid var(--figure-line);border-radius:10px;padding:24px 20px 40px;display:flex;align-items:center;justify-content:center;min-height:220px}
.benchmark-figures img{width:100%;max-height:330px;object-fit:contain}
.benchmark-figures .figure-enlarge{font-size:8px}

.evaluation-splits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:34px}
.evaluation-setting{padding-top:26px;border-top:1px solid var(--line)}
.evaluation-setting>p{max-width:760px;color:var(--muted);font-size:13px;line-height:1.8}
.evaluation-splits>div{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:22px 24px}
.evaluation-splits strong{font-size:14px;font-weight:500;color:var(--accent)}
.evaluation-splits p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:8px}

.paper-section{padding-bottom:95px}
.abstract-block{display:grid;grid-template-columns:210px minmax(0,1fr);gap:30px;padding-top:32px;border-top:1px solid var(--line)}
.abstract-block .eyebrow{margin-top:6px;color:var(--accent)}
.abstract-block>p:not(.eyebrow){font-size:15px;line-height:1.95;color:var(--muted)}
.citation-block{display:grid;grid-template-columns:210px 1fr;gap:30px;margin-top:54px;padding-top:38px;border-top:1px solid var(--line)}
.citation-block .eyebrow{font-size:9px;color:var(--muted)}
.citation-block h3{font-size:25px;font-weight:500;letter-spacing:-.03em;margin-top:10px}
.citation-code{border:1px solid var(--line);border-radius:10px;position:relative;background:var(--surface);padding:23px 26px}
.citation-code pre{margin:0;overflow:auto;font-size:11px;line-height:1.85;color:var(--muted);padding-right:28px;tab-size:2}
.citation-code code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace}
.copy-button{position:absolute;right:15px;top:15px;background:var(--surface);border:1px solid var(--line);padding:5px 10px;font-size:9px;color:var(--accent);display:flex;gap:15px}
.copy-button:hover{background:var(--hover)}
.site-footer{border-top:1px solid var(--line);background:var(--surface-alt);color:var(--muted);padding:39px 0}
.site-footer>.page-width{display:flex;align-items:flex-start;justify-content:space-between;gap:40px}
.site-footer .wordmark{flex:none;font-size:18px;color:var(--ink)}
.footer-rights{max-width:800px}
.footer-copyright{font-size:11px;line-height:1.7;color:var(--ink)}
.footer-license{margin-top:7px;font-size:10px;line-height:1.8}
.figure-dialog{border:1px solid var(--line);border-radius:14px;padding:60px 32px 24px;width:min(1450px,96vw);max-height:94vh;background:var(--surface);color:var(--ink);box-shadow:0 25px 120px var(--shadow)}
.figure-dialog::backdrop{background:var(--overlay);backdrop-filter:blur(7px)}
.lightbox-close{position:absolute;top:13px;right:18px;background:transparent;padding:6px;font-size:11px;display:flex;gap:20px;align-items:center}
.lightbox-close span{font-size:25px;line-height:1}
.lightbox-image{overflow:auto;max-height:calc(94vh - 130px);display:flex;align-items:flex-start;justify-content:center;background:var(--figure)}
.lightbox-image img{width:auto;height:auto;max-height:calc(94vh - 135px);object-fit:contain}
.figure-dialog>p{font-size:11px;color:var(--muted);margin-top:18px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}


@media(max-width:1150px){.page-width{width:calc(100% - 72px)}
.site-header{padding-inline:36px;gap:22px}
.header-logo{width:220px}
.site-header nav{gap:18px;font-size:11px}
.header-actions{gap:16px}
.header-controls{gap:10px;padding-left:16px}
.hero{padding-top:155px;padding-bottom:60px}
.hero h1{font-size:76px}
.hero-deck{font-size:15px}
.section-heading{gap:30px}
.section-heading h2{font-size:47px}
.section-deck{max-width:290px;font-size:13px}
.method-interactive{gap:45px;grid-template-columns:.85fr 1.4fr}
.flow-visual{gap:12px}
.flow-source{min-width:55px}
.flow-core{height:80px;width:80px}
.flow-end{flex-direction:column;gap:0;font-size:8px}
.chart-layout{gap:25px;grid-template-columns:1fr 185px}
.chart-stat>strong{font-size:69px}
.human-results{gap:70px}
.benchmark-format{gap:48px;grid-template-columns:1.15fr 1fr}
.format-drawing{gap:17px}
.camera-frame{width:170px;gap:24px}
.dual-format .camera-frame{gap:37px}
.dual-format .camera-frame:before,.dual-format .camera-frame:after{width:78px}
.abstract-block,.citation-block{grid-template-columns:160px 1fr}
}

@media(max-width:820px){.page-width{width:calc(100% - 48px)}
.site-header{min-height:92px;padding-inline:24px}
.header-logo{width:210px}
.header-actions{gap:18px}
.site-header nav{gap:19px;font-size:10px}
.wordmark{font-size:19px}
.header-link{font-size:10px;gap:5px}
.hero{padding-top:137px;padding-bottom:54px}
.hero h1{font-size:68px}
.hero-deck{margin-top:25px;font-size:14px}
.hero-bottom{margin-top:29px}
.scroll-cue{width:44px;height:44px}
.publication{gap:35px;padding-block:43px}
.paper-title{font-size:21px}
.authors{font-size:11px}
.publication-links{min-width:130px}
.button{font-size:10px;padding:8px 12px;gap:10px}
.section-space{padding:78px 0}
.section-heading{align-items:flex-start;flex-direction:column;gap:24px;margin-bottom:32px}
.section-heading h2{font-size:46px}
.section-deck{max-width:480px;padding:0}
.case-tab{min-width:133px;margin-right:18px}
.case-description{gap:25px}
.case-description>.small-note{max-width:190px;font-size:9px}
.method-interactive{grid-template-columns:1fr;gap:35px;margin:35px 0}
.method-steps{flex-direction:row}
.method-step{flex:1;border-top:1px solid var(--line);gap:14px;padding:20px 12px 20px 0}
.method-step strong{font-size:21px}
.method-step small{font-size:8px}
.method-step .step-arrow{display:none}
.step-index{font-size:9px}
.method-panel{min-height:300px;padding-left:0}
.flow-visual{max-width:590px;margin-bottom:26px}
.flow-end{flex-direction:row}
.method-figure{padding:18px 16px 44px}
.chart-layout{grid-template-columns:1fr 160px;gap:22px}
.chart-stat>strong{font-size:60px}
.chart-stat .eyebrow{font-size:8px}
.chart-stat .small-note{font-size:10px}
.chart-stat>p:not(.small-note){font-size:10px}
.chart-footnote{font-size:9px}
.human-results{gap:45px;grid-template-columns:1fr 1.2fr;padding-top:50px}
.human-results h3{font-size:28px}
.human-results>div>p:not(.eyebrow):not(.chart-label):not(.small-note){font-size:11px}
.human-chart>.chart-label{font-size:10px}
.human-bar{gap:10px;grid-template-columns:60px 1fr 28px;font-size:9px}
.benchmark-section .section-heading{flex-direction:row;align-items:flex-end}
.benchmark-number strong{font-size:46px}
.benchmark-intro{gap:30px}
.benchmark-intro>p{font-size:12px}
.benchmark-tabs button{padding:8px 10px;font-size:10px}
.benchmark-format{gap:30px}
.format-drawing{gap:12px}
.camera-frame{width:145px;gap:19px;height:125px;flex:none}
.aligned-streams{font-size:8px}
.aligned-streams i{width:8px!important}
.dual-format .camera-frame:before,.dual-format .camera-frame:after{width:68px}
.dual-format .camera-frame{gap:32px}
.benchmark-format h3{font-size:19px}
.benchmark-format>div>p:not(.eyebrow){font-size:11px}
.benchmark-format .eyebrow{font-size:8px}
.benchmark-figures{grid-template-columns:1fr}
.benchmark-figures .figure-button{min-height:160px}
.benchmark-figures img{max-height:280px}

.abstract-block,.citation-block{grid-template-columns:110px 1fr;gap:20px}
.abstract-block>p:not(.eyebrow){font-size:13px}
.citation-code{padding:23px 17px}
.citation-code pre{font-size:9px}
.citation-block h3{font-size:22px}
.site-footer .wordmark{font-size:16px}
}

@media(max-width:600px){html{scroll-padding-top:20px}
.page-width{width:calc(100% - 40px)}
.site-header{padding:12px 20px 14px;min-height:132px;gap:10px;flex-wrap:wrap;justify-content:center}
.header-logo{width:196px;max-width:100%}
.header-actions{width:100%;justify-content:center;gap:24px}
.header-controls{gap:16px;padding-left:24px}
.header-link{font-size:11px;min-height:32px}
.language-toggle{min-height:32px}
.theme-toggle{width:32px;height:32px;border-radius:9px}
.site-header nav{display:none}
.wordmark{font-size:20px}
.hero{padding-top:180px;padding-bottom:46px}
.hero h1{font-size:clamp(48px,11.8vw,66px);letter-spacing:-.055em;margin-top:24px}
.hero-eyebrow{font-size:8px;flex-wrap:wrap;letter-spacing:.14em}
.hero-deck{font-size:13px;margin-top:22px;line-height:1.6}
.hero-bottom{margin-top:23px;gap:24px}
.publication{flex-direction:column;gap:27px;padding-block:35px}
.paper-title{font-size:21px;line-height:1.4}
.publication .eyebrow{font-size:9px}
.authors{margin-top:17px}
.authors span{margin-right:9px}
.affiliations{font-size:9px}
.publication-links{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;gap:10px;align-items:center}
.publication-links .button{min-width:120px;padding:8px 12px}
.publication-links .text-link{margin-left:4px;gap:12px;font-size:9px}
.section-space{padding-block:63px}
.section-heading h2{font-size:37px;line-height:1.12;letter-spacing:-.045em;margin-top:18px}
.eyebrow{font-size:9px}
.section-number{margin-right:10px}
.section-deck{font-size:12px;line-height:1.7}
.case-selector{margin-top:12px;margin-bottom:16px}
.case-tab{padding-top:10px;min-width:120px;margin-right:14px;padding-bottom:13px}
.case-tab strong{font-size:11px}
.case-tab>span{font-size:8px}
.cinema{margin-left:-7px;margin-right:-7px}
.cinema-top{height:34px;padding-inline:13px;font-size:8px}
.video-stage{min-height:120px}
.video-controls{height:48px;padding-inline:6px;gap:7px}
.video-time{font-size:8px;width:63px}
.icon-button{height:29px;width:28px}
.icon-button svg{width:16px;height:16px}
.speed-label select{font-size:9px;padding:3px}
.moment-bar{padding:9px 13px;gap:8px;font-size:8px}
.moment-bar>span{max-width:100px;line-height:1.4}
.moment-bar>div{gap:15px}
.moment-bar button{font-size:9px;gap:8px}
.case-description{flex-direction:column;gap:12px;margin-top:20px}
.case-description h3{font-size:16px}
.case-description>div>p{font-size:11px;line-height:1.8}
.case-description>.small-note{max-width:100%;text-align:left;font-size:9px}
.case-description>.small-note br{display:none}
.method-interactive{gap:28px;margin-top:29px}
.method-step{gap:8px;padding:16px 8px 17px 0}
.method-step strong{font-size:18px}
.method-step small{font-size:7px;max-width:87px;line-height:1.5}
.step-index{font-size:8px;padding-top:3px}
.method-panel{min-height:326px}
.method-panel h3{font-size:24px}
.method-panel>p:not(.panel-kicker){font-size:12px;line-height:1.8}
.panel-kicker{font-size:8px}
.method-tags{gap:6px;margin-top:16px}
.method-tags span{background:var(--accent-soft);font-size:8px;padding:3px 8px}
.flow-visual{gap:9px;height:106px;margin-bottom:20px}
.flow-source{min-width:42px;font-size:7px;gap:6px}
.flow-glyph{height:35px;width:35px;font-size:22px}
.face-glyph{font-size:25px}
.audio-wave{height:35px;gap:2px}
.audio-wave i{width:2px}
.audio-wave i:nth-child(4){height:29px}
.flow-core{height:67px;width:67px;font-size:9px}
.core-orbit{inset:-6px}
.flow-join{min-width:13px}
.flow-end{font-size:7px;gap:4px;flex-direction:column;margin-left:3px}
.flow-end:before{width:10px;left:-9px}
.flow-end .flow-glyph{width:28px;height:28px;font-size:24px}
.method-figure{padding:12px 8px 35px}
.figure-enlarge{font-size:8px;gap:10px;bottom:8px;right:10px}
.figure-enlarge>span{font-size:15px}
.figure-caption{font-size:9px;line-height:1.8;margin-top:12px}
.results-workbench{padding-top:19px;padding-bottom:25px}
.chart-toolbar{gap:12px}
:lang(zh) .chart-toolbar .segmented{width:100%}
:lang(zh) .chart-toolbar .segmented button{padding-inline:7px}
:lang(zh) .chart-toolbar .toggle-label{width:100%}
.segmented{padding:3px;gap:2px}
.segmented button{padding:7px 12px;font-size:9px}
.toggle-label{font-size:8px;gap:5px}
.toggle-switch{width:24px;height:14px}
.toggle-switch:after{width:8px;height:8px}
.toggle-label input:checked+.toggle-switch:after{transform:translateX(10px)}
.chart-layout{grid-template-columns:1fr;gap:26px;margin-top:25px}
.chart-label{font-size:9px}
.adaptation-chart{margin-left:-6px;width:calc(100% + 12px);max-width:none}
.chart-legend{font-size:8px;gap:8px 13px;margin-top:4px}
.chart-footnote{font-size:9px;margin-top:15px}
.chart-stat{padding:19px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:115px 1fr;column-gap:23px}
.chart-stat>.eyebrow{grid-column:1;grid-row:1;font-size:7px;align-self:end}
.chart-stat>strong{grid-column:1;grid-row:2/4;font-size:53px;margin-top:4px;line-height:1.1}
.chart-stat>strong>span{font-size:22px}
.chart-stat>p:not(.small-note){grid-column:2;grid-row:1;font-size:10px;margin-top:0;align-self:end}
.chart-stat>.stat-rule{display:none}
.chart-stat>.small-note{grid-column:2;grid-row:2/4;font-size:9px;padding-top:8px}
.chart-readout{grid-column:1/-1;font-size:9px;min-height:0;margin-top:11px}
.human-results{grid-template-columns:1fr;gap:31px;padding-top:41px}
.human-results h3{font-size:30px;margin:14px 0}
.human-results h3 br{display:none}
.human-results>div>p:not(.eyebrow):not(.chart-label):not(.small-note){font-size:12px;max-width:100%}
.human-chart>.chart-label{font-size:10px;margin-bottom:17px}
.human-bar{font-size:10px;grid-template-columns:72px 1fr 35px}
.human-chart>.small-note{font-size:9px;margin-top:18px}
.benchmark-section .section-heading{gap:20px;flex-wrap:wrap}
.benchmark-section h2{font-size:33px}
.benchmark-number{padding-bottom:3px;font-size:7px;max-width:105px}
.benchmark-number strong{font-size:33px;white-space:nowrap}
.benchmark-number strong span{font-size:16px;margin-left:2px}
.benchmark-intro{flex-direction:column;align-items:flex-start;gap:23px;padding-top:24px}
.benchmark-intro>p{font-size:12px}
.benchmark-tabs button{padding:7px 14px}
.benchmark-format{grid-template-columns:1fr;gap:30px;padding:31px 0}
.format-drawing{justify-content:center;gap:13px;flex-wrap:wrap}
.camera-frame{width:180px;height:125px;gap:35px}
.aligned-streams{font-size:9px}
.aligned-streams i{width:16px!important}
.dual-format .camera-frame{gap:42px}
.dual-format .camera-frame:before,.dual-format .camera-frame:after{width:82px}
.benchmark-format h3{font-size:21px;margin-top:10px}
.benchmark-format>div>p:not(.eyebrow){font-size:11px}
.benchmark-figures{gap:15px}
.benchmark-figures .figure-button{padding:15px 12px 32px;min-height:130px}
.benchmark-figures .figure-enlarge{font-size:7px}
.abstract-block,.citation-block{grid-template-columns:1fr;gap:19px;padding-top:26px}

.abstract-block>p:not(.eyebrow){font-size:12px;line-height:1.95}
.citation-block{margin-top:33px}
.citation-block h3{font-size:24px;margin-top:6px}
.citation-code{padding:40px 15px 17px}
.citation-code pre{font-size:9px;padding:0}
.copy-button{top:10px;right:10px;font-size:8px}
.site-footer{padding:28px 0}
.site-footer>.page-width{flex-direction:column;align-items:flex-start;gap:18px}
.site-footer .wordmark{font-size:17px}
.figure-dialog{padding:53px 14px 18px;width:96vw;max-height:92vh}
.figure-dialog>p{font-size:10px;line-height:1.65}
.lightbox-image img{max-height:calc(90vh - 160px)}
.lightbox-close{font-size:10px}
.lightbox-image{max-height:calc(90vh - 155px)}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*:before,*:after{animation:none!important;transition:none!important}
.reveal{opacity:1;transform:none}
}

.cinema:fullscreen{display:flex;flex-direction:column;justify-content:center;border-radius:0}
.cinema:fullscreen .video-stage{flex:1;min-height:0}
.cinema:fullscreen video{height:100%;max-height:calc(100vh - 150px);width:100%;aspect-ratio:auto}
.cinema:fullscreen .video-controls,.cinema:fullscreen .cinema-top,.cinema:fullscreen .moment-bar{flex-shrink:0}

.case-notes{max-width:300px;flex:none;text-align:right}
.video-download{color:var(--media-accent);text-decoration:underline;text-underline-offset:3px}
.video-status{font-size:12px}
@media(max-width:820px){.case-notes{max-width:225px}
.case-notes .small-note{font-size:9px}
}
@media(max-width:600px){.case-notes{max-width:100%;text-align:left}
.video-status{font-size:10px;inset:auto 10px 10px;padding:10px}
.case-notes .small-note br{display:none}
}

.citation-code,.abstract-block>p,.chart-main,.human-chart{min-width:0}
.citation-code pre{max-width:100%}
.citation-block{grid-template-columns:210px minmax(0,1fr)}
@media(max-width:1150px){.citation-block{grid-template-columns:160px minmax(0,1fr)}
}
@media(max-width:820px){.citation-block{grid-template-columns:110px minmax(0,1fr)}
}
@media(max-width:600px){.citation-block{grid-template-columns:minmax(0,1fr)}
}

.comparison-references{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.comparison-references>.eyebrow{color:var(--muted);font-size:9px;letter-spacing:.12em}
.comparison-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:12px}
.comparison-link{border-radius:7px;display:grid;grid-template-columns:minmax(0,1fr) 16px;gap:3px 9px;align-items:start;padding:9px 0;min-width:0}
.comparison-link strong{font-size:13px;font-weight:500;letter-spacing:-.01em}
.comparison-venue{grid-column:1;font-size:10px;color:var(--muted);line-height:1.6}
.comparison-arrow{grid-column:2;grid-row:1/3;color:var(--accent);font-size:17px;align-self:center}
.comparison-link:hover strong{color:var(--accent)}
@media(max-width:600px){.comparison-references{margin-top:23px;padding-top:18px}
.comparison-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 22px;margin-top:10px}
.comparison-link strong{font-size:12px}
.comparison-venue{font-size:9px}
}

@media(max-width:1050px){.site-header nav{display:none}
}

/* Chinese uses native, upright letterforms and more generous line height. */
:lang(zh){letter-spacing:normal}

:lang(zh) .hero h1{font-size:clamp(50px,5.8vw,84px);line-height:1.2;letter-spacing:-.035em;max-width:1050px}

:lang(zh) h1 em,:lang(zh) h2 em,:lang(zh) h3 em{font-family:var(--font);font-style:normal;letter-spacing:inherit}

:lang(zh) .section-heading h2{line-height:1.25;letter-spacing:-.025em}


:lang(zh) .section-deck{line-height:1.9}

:lang(zh) .eyebrow{letter-spacing:.08em}

:lang(zh) .method-step strong{letter-spacing:normal}

@media(max-width:600px){:lang(zh) .hero h1{font-size:clamp(40px,10vw,60px);line-height:1.22}
:lang(zh) .section-heading h2{font-size:32px}
}

@media(max-width:1150px){
.task-definition{padding:30px}
.task-definition h3{font-size:28px}
.motivation-layout{gap:24px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.motivation-layout .motivation-panel{padding:26px}
.evaluation-splits>div{padding:20px}
}
@media(max-width:820px){
.task-definition{border-left:0;border-top:1px solid var(--line);padding:30px}
.task-io{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.motivation-layout{grid-template-columns:minmax(0,1fr);gap:24px}
.figure-button.motivation-figure{max-width:600px;justify-self:center}
.motivation-layout .motivation-panel{padding:30px}
.section-bridge{gap:25px;margin-top:36px}
.section-bridge p{font-size:11px}
.evaluation-splits{gap:12px}
.evaluation-splits>div{padding:18px}
.evaluation-splits p{font-size:11px}
}
@media(max-width:600px){
.hero-task-map{margin-top:24px;padding:14px 12px;border-radius:9px}
.hero-task-map.task-signal-path{gap:9px;font-size:10px;grid-template-columns:minmax(0,1fr) 18px minmax(0,1fr)}
.hero-task-map.task-signal-path strong{font-size:10px}
.hero-task-map .task-output>span{font-size:8px}
.hero-task-map .task-inputs{gap:3px 5px}
.task-definition{padding:25px 20px}
.task-definition>.eyebrow{font-size:9px}
.task-definition h3{font-size:25px;line-height:1.3}
.task-definition>p:not(.eyebrow){font-size:12px;margin-top:14px}
.task-io{grid-template-columns:minmax(0,1fr);gap:18px;margin-top:24px}
.task-io h4{font-size:10px}
.task-io p{font-size:11px}
.figure-button.motivation-figure{padding:15px 12px 35px}
.motivation-layout{gap:18px}
.psychology-note{grid-template-columns:minmax(0,1fr);gap:13px;padding:21px 18px;margin-bottom:24px}
.psychology-note>.eyebrow{font-size:9px}
.psychology-note>p:not(.eyebrow){font-size:12px}
.psychology-reference{grid-column:1;font-size:9px;gap:3px 10px}
.motivation-layout .motivation-panel{padding:24px 18px}
.section-bridge{flex-direction:column;align-items:flex-start;gap:13px;margin-top:30px;padding-top:18px}
.section-bridge p{font-size:10px}
.section-bridge a{font-size:10px;gap:12px}
.figure-detail-link{font-size:10px;gap:12px;margin-top:18px}
.evaluation-splits{grid-template-columns:minmax(0,1fr);gap:10px;margin-top:27px}
.evaluation-splits>div{display:grid;grid-template-columns:77px minmax(0,1fr);gap:15px;align-items:start;padding:17px 16px}
.evaluation-splits strong{font-size:12px;line-height:1.8}
.evaluation-splits p{margin:0;font-size:11px}
}

/* Display the complete comparison with restrained perspective. */
.hero-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:center}
.hero-copy{min-width:0}
.hero-layout h1{font-size:clamp(48px,5vw,74px);line-height:1.05}
.hero-layout .hero-deck{max-width:540px;font-size:16px;line-height:1.8}
.hero-comparison{position:relative;min-width:0;border:1px solid var(--line-strong);border-radius:12px;overflow:hidden;background:var(--figure);transform:perspective(1200px) rotateY(-11deg) rotateZ(-4deg);box-shadow:-26px 40px 85px var(--shadow),0 0 35px var(--hero-blue)}
.hero-comparison:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(100deg,rgba(3,10,20,.46),rgba(3,10,20,.12) 32%,transparent 65%),linear-gradient(0deg,rgba(3,10,20,.16),transparent 25%)}
.hero-comparison img{display:block;width:100%;height:auto}
:lang(zh) .hero-layout h1{font-size:clamp(46px,5vw,74px)}
@media(max-width:1050px){.hero-layout{gap:28px}.hero-layout h1{font-size:52px}.hero-layout .hero-deck{font-size:14px}}
@media(max-width:820px){.hero-layout{grid-template-columns:minmax(0,1fr);gap:38px}.hero-comparison{width:calc(100% - 12px);margin-inline:6px;transform:perspective(1200px) rotateY(-4deg) rotateZ(-1.5deg)}.hero-layout h1{font-size:64px}}
@media(max-width:600px){.hero-layout{gap:30px}.hero-layout h1{font-size:clamp(43px,10vw,60px)}:lang(zh) .hero-layout h1{font-size:clamp(40px,10vw,60px)}.hero-layout .hero-deck{font-size:13px}.hero-comparison{border-radius:8px;transform:perspective(1000px) rotateY(-3deg) rotateZ(-1deg)}}

.paper-section .abstract-block{margin-top:0}

/* Vector arrows keep the same appearance across desktop and mobile fonts. */
.arrow-icon{display:inline-block;width:1em;height:1em;flex-shrink:0;vertical-align:-.125em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}