/* A moving exhibition. The source archive stays outside the frame. */
:root{color-scheme:dark;--bg:#151713;--line:#353931;--muted:#a4aa9b;--text:#eeeee3;--gold:#d4be8c;--serif:Georgia,'Songti SC','Noto Serif CJK SC',SimSun,serif;font-family:Inter,'Segoe UI','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);font-size:15px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{color:inherit}button{cursor:pointer;border:0}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:5px}button:hover,a:hover{filter:brightness(1.14)}[hidden]{display:none!important}::selection{background:#bb9b55;color:#fff}h1,h2,p{margin:0}button,summary{touch-action:manipulation}.page-wrap{max-width:1600px;margin:auto;padding:0 40px}.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip-link{position:fixed;z-index:10;top:10px;left:20px;padding:12px;background:var(--text);color:var(--bg);transform:translateY(-200%)}.skip-link:focus{transform:none}
.site-header{height:80px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:30px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;letter-spacing:.06em;font-weight:650}.brand-symbol{font-size:37px;line-height:1;color:var(--gold)}.brand-light{font-weight:350;color:#c6c9bb}.brand small{display:block;font-size:9px;font-weight:400;letter-spacing:.16em;color:var(--muted);margin-top:4px}.header-nav{display:flex;gap:28px;margin-left:auto;font-size:12px;color:#d1d3c7}.header-tools{display:flex;align-items:center;gap:18px}.icon-button{font-size:15px;background:transparent;min-height:38px;min-width:38px}.small-plus{font-size:11px}.language-wrap{display:flex;align-items:center;gap:6px;font-size:17px}.language-wrap select{border:0;background:transparent;min-height:38px;font-size:12px;max-width:92px}.github-link{font-size:11px;color:var(--muted)}select option{background:#252820;color:#eeeee3}
.intro{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.intro h1{font-size:14px;font-weight:450;letter-spacing:.03em}.intro #hero-description{display:none}.journey-meta{font-family:monospace;font-size:10px;letter-spacing:.07em;color:var(--muted)}.experience{position:relative}.stage-shell{--stage-ink:#37382b;--stage-muted:#77715d;position:relative;border:1px solid #8f866d;background:#e9dfc6;color:var(--stage-ink);overflow:hidden;isolation:isolate}.stage-strip{position:absolute;inset:0 0 auto;z-index:3;height:47px;display:flex;justify-content:space-between;align-items:center;padding:0 34px;font-size:9px;letter-spacing:.15em;color:var(--stage-muted);pointer-events:none}.stage-strip>span:first-child{display:flex;align-items:center;gap:10px}.live-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#a16d3e;box-shadow:0 0 0 3px #ae845422}.canvas-wrap{position:relative;aspect-ratio:2.05;min-height:480px;max-height:690px;overflow:hidden}#film{width:100%;height:100%;display:block;object-fit:cover}.scene-copy{position:absolute;top:23%;left:5.2%;width:31%;max-width:450px;pointer-events:none}.scene-copy>*{pointer-events:auto}#scene-kicker{font-family:monospace;font-size:12px;letter-spacing:.12em;color:#886647;margin-bottom:24px}#scene-caption{font-family:var(--serif);font-size:clamp(28px,3.4vw,53px);font-weight:450;line-height:1.32;letter-spacing:.015em;text-wrap:balance}#scene-summary{font-size:14px;line-height:1.9;margin-top:23px;color:#64604e;max-width:340px;text-wrap:pretty}.scene-explore{background:none;padding:0 0 7px;margin-top:28px;min-height:36px;border-bottom:1px solid #8d805c;font-size:11px;letter-spacing:.04em;color:#605641}.scene-explore::after{content:' ↗';margin-left:28px}.scene-foot{position:absolute;bottom:28px;left:5.2%;right:5.2%;display:flex;align-items:center;gap:16px;color:#655e47;pointer-events:none}.scene-index{font-family:monospace;font-size:10px;letter-spacing:.1em}.scene-ability{font-size:11px;border-left:1px solid #9b907855;padding-left:16px}.audio-gate{position:absolute;bottom:21px;right:30px;background:#3c3d2b;color:#f4eedc;display:flex;align-items:center;gap:13px;padding:12px 16px;font-size:11px;box-shadow:0 3px 16px #29271418;z-index:4;min-height:40px}.audio-gate>span:first-child{font-size:18px}
.space-stage{--stage-ink:#eeedf5;--stage-muted:#99a5b5;border-color:#38414c;background:#070d1b}.space-stage .scene-copy{top:16%;width:30%}.space-stage #scene-kicker{color:#9bbbf1;margin-bottom:14px;font-size:10px}.space-stage #scene-caption{font-family:var(--serif);font-size:clamp(27px,2.8vw,43px);line-height:1.2}.space-stage #scene-summary{color:#a9b5ca;font-size:14px;line-height:1.8;max-width:300px;margin-top:16px}.space-stage .scene-explore{color:#b4c6df;border-color:#63758a;margin-top:18px}.space-stage .scene-foot{color:#9facbd}.space-stage .scene-ability{border-color:#8491a944}.space-stage .audio-gate{background:#d3dbeb;color:#182132}.space-stage .live-dot{background:#a3d2e5;box-shadow:0 0 0 3px #8ecde422}.race-hud{position:absolute;top:78px;right:35px;display:grid;justify-items:end;gap:7px;max-width:240px}.race-hud>span{font-family:monospace;font-size:9px;color:#8091ac;letter-spacing:.07em}.race-hud strong{font-weight:500;font-size:12px;color:#d9e1ed}.race-hud button{font-size:10px;background:none;color:#a4b3c9;border-bottom:1px solid #465269;padding:6px 0;min-height:36px}
.transport{color:#d3d7c9;background:#20241d;border-top:1px solid #393f32}.scrubber{display:flex;align-items:center;padding:0 24px;gap:24px;height:27px}.scrubber input{appearance:none;display:block;width:100%;height:18px;background:transparent;cursor:pointer;--progress:0%}.scrubber input::-webkit-slider-runnable-track{height:2px;background:linear-gradient(to right,#cdb780 var(--progress),#4b5143 var(--progress))}.scrubber input::-moz-range-track{height:2px;background:#4b5143}.scrubber input::-moz-range-progress{background:#cdb780;height:2px}.scrubber input::-webkit-slider-thumb{appearance:none;background:#d8c496;width:8px;height:8px;border-radius:50%;margin-top:-3px;box-shadow:0 0 0 4px #d8c49612}.scrubber input::-moz-range-thumb{background:#d8c496;width:8px;height:8px;border:0;border-radius:50%}#time-display{font-family:monospace;font-size:10px;white-space:nowrap;color:#a9ae9f}.transport-row{display:flex;align-items:center;justify-content:space-between;padding:0 24px 8px;gap:20px}.transport-buttons,.transport-options{display:flex;align-items:center;gap:10px}.transport button,.transport select{background:transparent;border:0;min-height:38px;min-width:38px;font-size:12px;color:#bac2ac}.transport .play-button{color:#ebe9d6;font-size:12px;min-width:80px;text-align:left;padding:0 5px}.transport-icon{font-size:19px!important}.transport button[aria-pressed=true]{color:#dfc68d}.voice-button{padding:0 14px;border-left:1px solid #49503d!important}.transport-options select{font-size:11px}.transport-note{font-size:10px;color:#8c9481;padding:12px 2px;text-align:right}
.timeline-section{padding:12px 0 28px;border-bottom:1px solid var(--line);scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:24px}.section-heading h2{font-family:var(--serif);font-size:25px;font-weight:400}.eyebrow{font-size:9px;letter-spacing:.13em;color:var(--muted);line-height:1.7}.section-heading .eyebrow{margin-bottom:7px}.section-heading>p{font-size:11px;color:var(--muted)}.timeline-section .section-heading{margin-bottom:15px;align-items:baseline}.timeline-section .section-heading>div{display:flex;align-items:baseline;gap:16px}.timeline-section .eyebrow{display:none}.timeline-section h2{font-family:inherit;font-size:12px;color:#c6ccba}.timeline-section .section-heading>p{font-size:10px}.timeline-track{display:flex;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#60674e transparent;padding:5px 0 12px}.timeline-stop{flex:1 0 75px;position:relative;display:flex;align-items:flex-start;flex-direction:column;gap:9px;background:none;color:#969f88;padding:8px 5px 5px 0;min-width:0;text-align:left}.timeline-stop::before{content:'';height:1px;background:#454d39;position:absolute;top:12px;left:0;right:0}.timeline-stop:last-child{flex-basis:112px}.timeline-dot{display:block;position:relative;z-index:1;width:8px;height:8px;border-radius:50%;background:#59634a;border:2px solid var(--bg);box-shadow:0 0 0 1px #59634a;line-height:0;font-size:0}.timeline-stop strong{font-family:monospace;font-size:9px;font-weight:400;margin-top:6px;white-space:nowrap}.timeline-stop>span:last-child{font-size:10px;line-height:1.5;max-width:90px;opacity:.68}.timeline-stop[aria-current=step]{color:#e7c783}.timeline-stop[aria-current=step] .timeline-dot{background:#e4c382;box-shadow:0 0 0 3px #cfb57530}.timeline-stop[aria-current=step]>span:last-child{opacity:1}.race-stop{color:#afb8ce}.race-stop .timeline-dot{background:#93a3c0;box-shadow:0 0 0 1px #93a3c0}
.insight-section,.archive-section{border-bottom:1px solid var(--line);scroll-margin-top:24px}summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:24px;min-height:74px;padding:12px 0;font-size:13px;color:#d0d4c4}summary::-webkit-details-marker{display:none}.details-hint{font-size:11px;color:#8e9780}.expand-symbol{margin-left:auto;color:#acb69a;font-size:22px;font-weight:300}details[open]>summary .expand-symbol{transform:rotate(45deg)}.story-panel{display:grid;grid-template-columns:1fr 1fr;gap:7%;padding:12px 0 40px;max-width:1140px}.panel-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.story-number{font-family:monospace;font-size:10px;color:var(--muted)}.story-reading h2{font-family:var(--serif);font-weight:400;font-size:32px;line-height:1.4}.story-summary{font-size:15px;line-height:1.9;margin-top:12px;color:#b8c1ab}.reading-switch{display:flex;gap:24px;margin:24px 0 16px}.reading-switch button{background:transparent;padding:7px 0;min-height:38px;color:#8e987e;font-size:12px;border-bottom:1px solid transparent}.reading-switch button[aria-pressed=true]{color:#e3cca1;border-color:#b8a271}#story-detail{font-size:14px;line-height:1.95;color:#c1c7b8;white-space:pre-line}.source-link{display:block;font-size:11px;color:#a7b49a;line-height:1.8;margin-top:22px;text-decoration:underline;text-underline-offset:4px}.jump-button{padding:12px 0;background:none;font-size:11px;margin-top:20px;color:var(--gold)}.capability-box{border-left:1px solid #545f44;padding:20px 0 20px 35px;margin-top:8px}.micro-label{font-family:monospace;color:#8e9b7c;font-size:10px;letter-spacing:.1em}.capability-box p{font-family:var(--serif);font-size:24px;line-height:1.7;margin:9px 0}.capability-rule{width:35px;height:1px;background:#4a563a;margin:24px 0}.capability-box #limit-text{font-size:19px;color:#aab49d}.ranking-header{display:flex;align-items:center;gap:16px;justify-content:space-between;font-size:12px}.ranking-header select{max-width:68%;min-height:38px;background:#252b20;border:1px solid #424d35;padding:6px;font-size:11px}.track-note{font-size:10px;line-height:1.6;color:#9aa88a;margin:12px 0}.rank-row{display:flex;align-items:center;width:100%;gap:12px;background:transparent;color:#d3dcc7;padding:13px 0;border-bottom:1px solid #3d4932;font-size:12px;text-align:left}.rank-row>span:first-child{font-family:monospace;color:#a2ae92}.rank-row strong{font-weight:400;flex:1}.rank-row>span:last-child{margin-left:auto;font-family:monospace}.rank-note,.rank-empty{font-size:11px;line-height:1.8;color:#98a28b;white-space:pre-line;margin-top:18px}
.atlas-section{padding:16px 0 30px}.search-wrap{display:flex;align-items:center;gap:10px;border-bottom:1px solid #586149;padding:8px 0;color:#9ca68e}.search-wrap input{border:0;outline:0;background:none;color:#e3e7d7;min-height:32px;width:220px;font-size:12px}.search-wrap input::placeholder{color:#88937a}.search-wrap #result-count{font-family:monospace;font-size:11px}.atlas-description{font-size:12px;line-height:1.8;color:#9ca78d;margin-bottom:25px}.model-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#3a4430;border:1px solid #3a4430}.model-card{background:var(--bg);text-align:left;color:var(--text);padding:22px;display:flex;flex-direction:column;min-width:0}.model-card:hover{background:#22291c}.model-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.model-orbit{height:16px;width:16px;border:1px solid var(--model-color);border-radius:50%;display:grid;place-items:center}.model-orbit span{width:4px;height:4px;border-radius:50%;background:var(--model-color);box-shadow:0 0 12px var(--model-color)}.model-year{font-size:10px;font-family:monospace;color:#929f82}.model-company{font-size:9px;letter-spacing:.09em;color:#96a586;margin-bottom:7px}.model-card>strong{font-size:16px;font-weight:450;line-height:1.5}.model-summary{font-size:11px;line-height:1.9;color:#8f9c81;margin-top:10px;flex:1}.model-card-bottom{display:flex;justify-content:space-between;font-size:10px;color:#b9c2ab;margin-top:22px}.methodology{margin-top:20px}.methodology summary{font-size:12px;min-height:48px}.methodology p{font-size:12px;color:#a4af96;line-height:1.9;margin-bottom:12px;white-space:pre-line}.methodology a{font-size:11px;color:var(--gold);display:inline-block;margin-top:10px}.empty-results{padding:30px;font-size:13px}footer{display:flex;justify-content:space-between;align-items:center;gap:30px;min-height:100px;color:#7d8971;font-size:10px}footer p{font-size:10px}.footer-brand{color:#b4bea6;font-size:12px}.loading{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:22px;color:#bdc7aa;background:#151713;font-size:13px}.brand-mark{font-family:var(--serif);font-size:50px}.large-text{font-size:17px}.large-text #scene-summary{font-size:18px}.large-text .scene-copy{width:33%}.large-text .story-summary,.large-text #story-detail{font-size:18px}.large-text .rank-note,.large-text .model-summary{font-size:14px}.large-text .transport button{font-size:14px}.stage-shell:fullscreen{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;background:#131810}.stage-shell:fullscreen .canvas-wrap{flex:1;max-height:none;min-height:0;aspect-ratio:auto}.stage-shell:fullscreen #film{object-fit:contain}.stage-shell:fullscreen .transport{flex:none}
@media(max-width:1100px){.page-wrap{padding:0 25px}.site-header{height:70px}.brand small{display:none}.header-nav{gap:20px}.header-tools{gap:10px}.canvas-wrap{min-height:450px;aspect-ratio:1.9}.scene-copy{left:4%;width:32%;top:24%}#scene-caption{font-size:36px}#scene-summary{font-size:14px;line-height:1.8}.scene-explore{margin-top:16px}.scene-foot{left:4%}.model-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.journey-meta{font-size:9px}.timeline-stop{flex-basis:79px}.story-panel{gap:5%}.race-hud{right:25px;top:60px}.space-stage #scene-caption{font-size:29px}.large-text #scene-summary{font-size:16px}}
@media(max-width:760px){.page-wrap{padding:0 16px}.site-header{height:65px;gap:14px}.brand{font-size:16px;gap:7px}.brand-symbol{font-size:29px}.header-nav{display:none}.header-tools{gap:6px;margin-left:auto}.github-link{display:none}.intro{height:60px;display:block;padding-top:15px}.intro h1{font-size:11px}.journey-meta{display:block;margin-top:7px;font-size:8px}.canvas-wrap{min-height:560px;aspect-ratio:auto;max-height:none}#film{position:absolute;height:auto;width:calc(100% + 70px);max-width:none;left:-70px;bottom:70px;aspect-ratio:1200/675;object-fit:fill;transform:scale(1.6);transform-origin:80% 50%}.stage-strip{height:35px;padding:0 19px;font-size:7px;letter-spacing:.1em}.scene-copy{top:66px;left:23px;width:calc(100% - 46px);max-width:none;pointer-events:none}#scene-kicker{font-size:10px;margin-bottom:12px;letter-spacing:.1em}#scene-caption{font-size:32px;line-height:1.3;max-width:100%;text-wrap:balance}#scene-summary{font-size:14px;line-height:1.8;margin-top:12px;max-width:95%}.scene-explore{font-size:10px;min-height:36px;margin-top:14px}.scene-foot{bottom:20px;left:22px;right:20px;gap:10px}.scene-index{font-size:9px}.scene-ability{font-size:10px;padding-left:10px;max-width:240px}.audio-gate{bottom:63px;right:20px;padding:8px 13px;font-size:10px;gap:8px;min-height:36px}.audio-gate>span:first-child{font-size:15px}.space-stage .canvas-wrap{min-height:610px}.space-stage #film{width:170%;left:-30%;bottom:60px;transform:none}.space-stage .scene-copy{top:64px;left:23px;width:calc(100% - 46px)}.space-stage #scene-kicker{font-size:9px;margin-bottom:10px}.space-stage #scene-caption{font-size:31px;max-width:90%}.space-stage #scene-summary{font-size:14px;line-height:1.7;max-width:100%;margin-top:12px}.space-stage .scene-explore{margin-top:12px}.race-hud{top:auto;right:20px;bottom:93px;gap:5px;max-width:240px}.race-hud>span{font-size:8px}.race-hud strong{font-size:10px}.race-hud button{min-height:36px;font-size:9px}.space-stage .audio-gate{bottom:45px}.space-stage .scene-foot{bottom:19px}.space-stage .scene-ability{font-size:9px}.scrubber{padding:2px 16px 0;gap:13px;height:28px}#time-display{font-size:9px}.transport-row{padding:0 12px 5px;gap:5px}.transport-buttons,.transport-options{gap:1px}.transport .play-button{min-width:66px}.transport button,.transport select{font-size:11px;min-width:36px;min-height:40px}.voice-button{padding:0 9px}.transport-icon{font-size:18px!important}.transport-note{font-size:9px;line-height:1.6;text-align:left;padding:10px 1px}.timeline-section{padding-top:8px;padding-bottom:16px}.timeline-section .section-heading{gap:12px;margin-bottom:10px}.timeline-section h2{font-size:11px}.timeline-section .section-heading>p{font-size:9px;max-width:155px;text-align:right;line-height:1.6}.timeline-stop{flex-basis:92px}.timeline-stop strong{font-size:10px}.timeline-stop>span:last-child{font-size:11px}.timeline-track{padding-bottom:10px}summary{min-height:68px;font-size:12px;gap:12px}.details-hint{font-size:10px;max-width:45%;line-height:1.7}.story-panel{grid-template-columns:1fr;gap:30px;padding:5px 0 30px}.story-reading h2{font-size:28px}.story-summary{font-size:14px}.capability-box{padding:5px 0 5px 20px}.capability-box p{font-size:23px}.section-heading{display:block;margin-bottom:20px}.search-wrap{margin-top:18px}.search-wrap input{width:100%}.section-heading h2{font-size:25px}.model-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.model-card{padding:17px 14px}.model-card>strong{font-size:14px}.model-summary{font-size:11px}.model-card-bottom{font-size:9px}.atlas-description{font-size:12px}.methodology p{font-size:12px}footer{flex-wrap:wrap;gap:15px;padding:24px 0;min-height:100px}footer p{order:3;width:100%;line-height:1.7}.large-text .scene-copy{width:calc(100% - 46px)}.large-text #scene-summary{font-size:16px}.large-text .canvas-wrap{min-height:610px}.large-text .space-stage .canvas-wrap{min-height:660px}.large-text #scene-caption{font-size:34px}.stage-shell:fullscreen .canvas-wrap{min-height:0}.stage-shell:fullscreen #film{transform:none;width:100%;height:100%;left:0;bottom:0;object-fit:contain}}
.title-phrase{display:inline-block}.stage-shell{--stage-ink:#292d24}#scene-summary{color:#535643}.space-stage{--stage-ink:#eeedf5}.rank-row .rank-name{flex:1}.rank-row strong{flex:none;font-family:monospace;font-size:15px}.timeline-track{position:relative}
@media(max-width:760px){#stage-shell[data-visual="cosmos"] #film{width:100%;left:0;bottom:56px;aspect-ratio:600/500;transform:none;mask-image:linear-gradient(transparent,#000 9%,#000 95%,transparent)}#stage-shell[data-visual="cosmos"] .race-hud{bottom:50px;right:20px;left:20px;max-width:none;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 12px}#stage-shell[data-visual="cosmos"] .race-hud>span{width:100%;margin-bottom:4px;font-size:7px}#stage-shell[data-visual="cosmos"] .race-hud button{min-height:32px}#stage-shell[data-visual="cosmos"] .audio-gate{bottom:84px}}
@media(max-width:760px){#film{mask-image:linear-gradient(transparent,#000 12%,#000 88%,transparent)}#stage-shell[data-visual="7"] #film,#stage-shell[data-visual="8"] #film{transform:scale(1.4)}#stage-shell[data-visual="9"] #film{width:180%;left:-80%;bottom:73px;transform:none}.timeline-section .section-heading{display:flex}.timeline-section .section-heading h2{font-size:11px;white-space:nowrap}}
@media(prefers-reduced-motion:no-preference){button,a{transition:background-color .18s,color .18s}.scene-copy{animation:enter-copy .7s ease-out both}@keyframes enter-copy{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}}