/* Interaction direction: precise cuts, deliberate selection, quiet surfaces. */
:root{--interaction-ease:cubic-bezier(.2,.75,.2,1);--header-height:88px}
html{scroll-padding-top:100px}
.site-header{position:fixed;z-index:80;transition:padding .3s,background .3s,backdrop-filter .3s}
.is-scrolled .site-header{padding-top:14px;padding-bottom:14px;background:#101314ee;backdrop-filter:blur(14px);border-bottom:1px solid #e9e3d918}
.desktop-nav a{position:relative;padding:8px 0}
.desktop-nav a:after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .25s var(--interaction-ease)}
.desktop-nav a:hover:after,.desktop-nav a:focus-visible:after{transform:scaleX(1);transform-origin:left}
.menu-toggle{display:flex;align-items:center;justify-content:center;gap:12px;border:1px solid #e9e3d93b!important;background:transparent;min-width:96px;width:auto;height:44px;padding:8px 13px!important;position:relative;overflow:hidden;transition:color .25s,border-color .25s;flex-shrink:0}
.menu-toggle:hover{border-color:var(--accent)!important;color:var(--accent)}
.menu-toggle>.menu-toggle-word{display:inline!important;position:static!important;width:auto!important;height:auto!important;background:none!important;margin:0!important;transform:none!important;font-size:10px;font-weight:700;letter-spacing:.12em}
.menu-toggle>.menu-toggle-icon{display:grid!important;position:static!important;width:18px!important;height:12px!important;align-content:space-between;background:none!important;margin:0!important;transform:none!important}
.menu-toggle-icon i{display:block;width:18px;height:1px;background:currentColor;transition:transform .25s}
.menu-toggle:hover .menu-toggle-icon i:first-child{transform:translateX(3px)}
.menu-toggle:hover .menu-toggle-icon i:last-child{transform:translateX(-3px)}
.p-header-right{gap:22px}.p-header .menu-toggle,.case-header .menu-toggle{color:var(--warm)}
.site-menu{position:fixed;inset:0;max-width:none;max-height:none;width:100%;height:100%;margin:0;padding:0;border:0;background:var(--charcoal);color:var(--warm);overflow:auto}
.site-menu:not([open]){display:none}.site-menu::backdrop{background:#101314e8}
.site-menu[open]{animation:menu-cut-in .45s var(--interaction-ease) both}
.menu-surface{min-height:100%;display:flex;flex-direction:column;overflow:hidden;position:relative}
.menu-top{display:flex;align-items:center;justify-content:space-between;padding:28px 6.5vw;position:relative;z-index:2}
.menu-brand{font-family:var(--display);font-size:38px;line-height:1}.menu-brand span{font-family:var(--body);font-size:20px;color:var(--accent);margin-left:10px}
.menu-close{display:flex;align-items:center;gap:17px;background:none;border:0;color:inherit;min-height:48px;padding:0 4px;font-size:10px;letter-spacing:.12em}
.menu-close i{font-style:normal;font-size:38px;line-height:1;font-weight:400;transition:transform .3s}.menu-close:hover i{transform:rotate(90deg);color:var(--accent)}
.menu-content{flex:1;display:grid;grid-template-columns:1.1fr 1fr;padding:20px 6.5vw 30px;position:relative;isolation:isolate}
.menu-list{position:relative;z-index:2;align-self:center}
.menu-eyebrow{font-size:9px;letter-spacing:.18em;color:var(--muted);margin:0 0 24px}
.menu-list nav{display:flex;flex-direction:column;align-items:flex-start}
.menu-list nav a{display:flex;gap:24px;align-items:center;position:relative;isolation:isolate;font-family:var(--display);font-size:clamp(45px,5.7vw,91px);line-height:1.1;letter-spacing:-.02em;padding:6px 18px 9px 0;transition:padding .3s,color .25s}
.menu-list nav a:before{content:'';position:absolute;inset:7px -12px 7px -24px;background:var(--accent);transform:skew(-13deg) scaleX(0);transform-origin:left;z-index:-1;transition:transform .3s var(--interaction-ease)}
.menu-list nav a:hover,.menu-list nav a:focus-visible,.menu-list nav a.is-previewed{color:var(--charcoal);padding-left:15px}
.menu-list nav a:hover:before,.menu-list nav a:focus-visible:before,.menu-list nav a.is-previewed:before{transform:skew(-13deg) scaleX(1)}
.menu-list nav a i{font-family:var(--body);font-size:.47em;font-style:normal;opacity:0;translate:-10px 0;transition:opacity .2s,translate .3s}.menu-list nav a.is-previewed i,.menu-list nav a:hover i{opacity:1;translate:0 0}
.menu-note{font-size:12px;line-height:1.8;min-height:42px;max-width:370px;margin:30px 0 0;color:var(--muted)}
.menu-art{position:absolute;inset:0 -8% 0 44%;z-index:0;overflow:hidden;pointer-events:none}
.menu-art:before{content:'';position:absolute;inset:4% 0;background:#e9e3d90b;transform:skew(-13deg);border-left:1px solid #e9e3d926}
.menu-art img{position:absolute;height:145%;width:auto;max-width:none;right:11%;top:-15%;opacity:.55;filter:drop-shadow(0 20px 25px #0007);mask-image:linear-gradient(90deg,transparent,#000 15% 85%,transparent)}
.menu-art-word{position:absolute;left:5%;top:42%;font-family:var(--display);font-size:clamp(100px,19vw,290px);line-height:.85;letter-spacing:-.03em;color:transparent;-webkit-text-stroke:1px #e9e3d91f;transform:rotate(-90deg);white-space:nowrap;transform-origin:center}
.menu-art-caption{position:absolute;bottom:35px;right:18%;font-size:8px;letter-spacing:.22em;color:var(--muted)}
.menu-bottom{padding:20px 6.5vw 28px;display:flex;justify-content:space-between;gap:20px;font-size:8px;letter-spacing:.15em;position:relative;z-index:2}
.menu-bottom span:last-child{color:var(--muted)}
html[lang=zh-CN] .menu-list nav a{font-family:var(--body);font-size:clamp(35px,4.1vw,60px);font-weight:700;line-height:1.5;letter-spacing:-.04em}
.chapter-rail{position:fixed;right:23px;top:50%;translate:0 -50%;display:flex;flex-direction:column;gap:20px;z-index:65;mix-blend-mode:difference;color:#fff}
.chapter-rail a{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-height:22px}
.chapter-rail span{font-size:8px;font-weight:700;letter-spacing:.12em;opacity:0;translate:6px 0;transition:opacity .2s,translate .2s;white-space:nowrap}
.chapter-rail i{display:block;width:5px;height:5px;border:1px solid currentColor;rotate:45deg;transition:height .25s,background .25s}
.chapter-rail .is-active i{height:22px;background:currentColor}.chapter-rail .is-active span,.chapter-rail a:hover span,.chapter-rail a:focus-visible span{opacity:1;translate:0 0}
.sound-panel-open .chapter-rail{opacity:0;pointer-events:none}
.hero-image{translate:var(--hero-shift-x,0) var(--hero-shift-y,0);transition:translate .5s var(--interaction-ease)}
.has-horizontal-exhibition .exhibition-sticky{overflow:clip}
.interactions-ready .hero-eyebrow,.interactions-ready .hero h1>span,.interactions-ready .hero-intro,.interactions-ready .hero-foot{animation:hero-enter .8s var(--interaction-ease) both}
.interactions-ready .hero h1>span:nth-child(1){animation-delay:.07s}.interactions-ready .hero h1>span:nth-child(2){animation-delay:.14s}.interactions-ready .hero h1>span:nth-child(3){animation-delay:.21s}.interactions-ready .hero-intro{animation-delay:.29s}.interactions-ready .hero-foot{animation-delay:.36s}
.motion-reveal{transition:opacity .65s var(--interaction-ease),translate .65s var(--interaction-ease);transition-delay:var(--reveal-delay,0ms)}
.has-interactions .motion-reveal:not(.is-revealed){opacity:0;translate:0 25px}
.has-interactions .motion-reveal.is-revealed{opacity:1;translate:0 0}
.has-horizontal-exhibition .practice-panel{height:calc(100% - 200px);min-height:440px;transition:box-shadow .35s,filter .35s}
.practice-panel.is-selected{box-shadow:0 12px 40px #10131413}
.practice-panel:not(.is-selected) .panel-art{filter:saturate(.7);transition:filter .4s}
.practice-track{cursor:grab;touch-action:pan-y}.practice-track.is-dragging{cursor:grabbing;user-select:none}
.practice-track a,.practice-track button{cursor:pointer}
.exhibition-controls{gap:24px;bottom:20px}.practice-dots{gap:8px;flex:1;max-width:550px}
.practice-dots button{width:auto;height:44px;min-width:0;flex:1;padding:8px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;border:1px solid #10131425;background:transparent;transition:background .25s,color .25s,border-color .25s;isolation:isolate}
.practice-dots button:before{display:none}.practice-dots button:after{content:'';position:absolute;inset:0;background:var(--charcoal);z-index:-1;transform:scaleX(0);transform-origin:left;transition:transform .3s var(--interaction-ease)}
.practice-dots button:hover:after,.practice-dots button:focus-visible:after,.practice-dots button.active:after{transform:scaleX(1)}
.practice-dots button:hover,.practice-dots button:focus-visible,.practice-dots button.active{color:var(--warm);border-color:var(--charcoal)}
.practice-tab-word{font-size:10px;letter-spacing:.13em;font-weight:700;white-space:nowrap}.practice-tab-line{width:13px;height:2px;background:currentColor;transition:width .25s}.practice-dots .active .practice-tab-line{background:var(--accent);width:22px}
.exhibition-progress{max-width:200px}.exhibition-controls>p{white-space:nowrap;margin:0}.practice-step-controls{display:flex;gap:6px}.practice-step-controls button{background:none;border:1px solid #10131433;min-height:44px;min-width:44px;font-size:22px;line-height:1;transition:background .2s,color .2s}.practice-step-controls button:hover:not(:disabled){background:var(--charcoal);color:var(--warm)}.practice-step-controls button:disabled{opacity:.2;cursor:default}
.featured-project .text-link>span:last-child,.panel-link>span:last-child{transition:translate .3s}.featured-project:hover .text-link>span:last-child,.panel-link:hover>span:last-child{translate:5px -4px}
.featured-project{position:relative}.featured-project:after{content:'';position:absolute;inset:0;border:1px solid var(--accent);pointer-events:none;opacity:0;transition:opacity .3s}.featured-project:hover:after,.featured-project:focus-visible:after{opacity:1}
.sound-dock{position:fixed;right:24px;bottom:23px;z-index:85;color:var(--warm);font-family:var(--body)}
.sound-toggle{display:flex;align-items:center;gap:12px;background:var(--charcoal);color:var(--warm);padding:0 17px;min-height:44px;border:1px solid #e9e3d954;font-size:9px;font-weight:700;letter-spacing:.14em;box-shadow:0 5px 25px #0002}
.sound-toggle:hover{border-color:var(--accent)}
.sound-bars{display:flex;align-items:center;gap:3px;height:16px}.sound-bars i{width:2px;height:4px;background:currentColor}.sound-bars i:nth-child(2){height:12px}.sound-bars i:nth-child(3){height:8px}.sound-bars i:nth-child(4){height:14px}
.is-playing .sound-bars i{background:var(--accent);animation:sound-bar .75s ease-in-out infinite alternate}.is-playing .sound-bars i:nth-child(2){animation-delay:-.3s}.is-playing .sound-bars i:nth-child(3){animation-delay:-.55s}
.sound-panel{position:absolute;bottom:57px;right:0;width:352px;background:var(--charcoal);border:1px solid #e9e3d94d;padding:15px;box-shadow:0 22px 70px #0007;animation:panel-enter .25s var(--interaction-ease) both}
.sound-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:12px}.sound-kicker{font-size:7px;letter-spacing:.12em;color:var(--muted)}.sound-heading h2{font-size:15px;line-height:1.4;margin:4px 0 0;font-weight:700}.sound-close{background:none;border:0;color:var(--warm);width:32px;height:32px;font-size:26px;line-height:1}
.sound-record{height:125px;position:relative;overflow:hidden;background:var(--surface);border:1px solid #e9e3d91a;isolation:isolate}.record-type{position:absolute;left:12px;top:-8px;font-family:var(--display);font-size:107px;line-height:1.1;letter-spacing:-.04em;color:var(--warm);z-index:1}.record-ring{position:absolute;width:165px;height:165px;right:-31px;top:-20px;border:1px solid #e9e3d933;border-radius:50%;background:repeating-radial-gradient(circle,transparent 0 10px,#e9e3d90b 11px 12px)}.record-ring:after{content:'';position:absolute;width:8px;height:8px;border-radius:50%;background:var(--accent);top:17px;left:35px}.record-caption{position:absolute;left:15px;bottom:13px;font-size:6px;letter-spacing:.15em;line-height:1.7;color:var(--muted)}.record-loop{position:absolute;right:12px;bottom:14px;font-size:7px;letter-spacing:.12em;color:var(--muted)}.is-playing .record-ring{animation:record-turn 12s linear infinite}.is-playing .record-loop{color:var(--accent)}
.sound-timeline{display:flex;align-items:center;gap:12px;margin-top:8px}.sound-seek{width:100%;min-width:0;height:20px;accent-color:var(--accent)}.sound-time{font-size:8px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}.bgm-play:disabled{opacity:.5;cursor:default;font-size:8px;white-space:nowrap}.sound-volume span{white-space:nowrap}
.sound-track-picker{display:block;width:100%;min-height:36px;margin-top:10px;padding:6px 8px;border:1px solid #e9e3d935;background:var(--surface);color:var(--warm);font:10px var(--body);text-overflow:ellipsis}.sound-dock audio{display:none}
.sound-controls{display:flex;align-items:center;gap:9px;margin-top:12px}.bgm-play{font-family:var(--body);font-size:9px;font-weight:700;letter-spacing:.06em;background:var(--accent);color:var(--charcoal);border:0;height:38px;padding:0 12px;min-width:105px}.bgm-track{font-size:21px;background:none;color:var(--warm);border:1px solid #e9e3d938;height:38px;width:38px;flex-shrink:0}.sound-volume{display:flex;gap:6px;align-items:center;flex:1;min-width:0}.sound-volume span{font-size:8px;color:var(--muted)}.sound-volume input{accent-color:var(--accent);width:100%;min-width:0;height:30px}
.effects-toggle{margin-top:12px;background:none;border:1px solid #e9e3d935;padding:7px 10px;min-height:36px;color:var(--warm);font-size:9px;letter-spacing:.06em;width:100%;text-align:left}.effects-toggle[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}
.sound-state{font-size:9px;line-height:1.7;min-height:16px;color:var(--muted);margin:9px 0}.sound-state:empty{display:none}.sound-credit{display:flex;justify-content:space-between;font-size:7px;letter-spacing:.04em;color:var(--muted);margin-top:10px}.sound-credit a:hover{color:var(--warm)}
.motion-setting{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:10px;font-size:9px;color:var(--muted)}.motion-setting select{max-width:70%;min-height:36px;border:1px solid #e9e3d935;color:var(--warm);background:var(--surface);padding:5px 10px;font-family:var(--body);font-size:10px}
html:not(.has-horizontal-exhibition) .exhibition-sticky{display:flex;flex-direction:column}
html:not(.has-horizontal-exhibition) .exhibition-topline{order:0}
html:not(.has-horizontal-exhibition) .practice-track{order:2}
html:not(.has-horizontal-exhibition) .exhibition-controls{display:flex;order:1;position:sticky;top:var(--header-height);left:auto;right:auto;bottom:auto;padding:12px 6.5vw;margin-bottom:12px;background:#e9e3d9f5;backdrop-filter:blur(12px);z-index:5}
html[data-motion="off"]{scroll-behavior:auto}
html[data-motion="off"] *,html[data-motion="off"] *:before,html[data-motion="off"] *:after{animation:none!important;transition:none!important}
html[data-motion="off"] .hero-image{translate:none}
.route-transition{position:fixed;inset:0;pointer-events:none;z-index:300;visibility:hidden;overflow:hidden;display:grid;place-items:center}.route-transition i{position:absolute;inset:-20%;background:var(--charcoal);transform:skew(-14deg) translateX(-130%);transition:transform .35s var(--interaction-ease)}.route-transition i:nth-child(2){background:var(--accent);inset:-20% -20% -20% 70%;transition-delay:.03s}.route-transition span{position:relative;font-family:var(--display);font-size:clamp(90px,18vw,240px);letter-spacing:-.03em;color:var(--warm);opacity:0;transition:opacity .2s}
.is-leaving .route-transition{visibility:visible;pointer-events:auto}.is-leaving .route-transition i{transform:skew(-14deg) translateX(0)}.is-leaving .route-transition span{opacity:1}
.gallery-navigation{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--warm);padding-top:10px}.gallery-navigation button{width:44px;height:44px;border:1px solid #e9e3d94d;background:transparent;color:inherit;font-size:23px}.gallery-navigation button:hover:not(:disabled){background:var(--accent);border-color:var(--accent);color:var(--charcoal)}.gallery-navigation button:disabled{opacity:.3;cursor:default}.gallery-count{font-size:10px;letter-spacing:.12em}.image-dialog img{transition:opacity .15s;touch-action:pan-y pinch-zoom}.image-dialog.is-loading img{opacity:.4}
@keyframes menu-cut-in{from{clip-path:polygon(0 0,0 0,0 100%,0 100%)}to{clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}}
@keyframes hero-enter{from{opacity:0;translate:0 22px;clip-path:inset(0 0 100% 0)}to{opacity:1;translate:0 0;clip-path:inset(0)}}
@keyframes panel-enter{from{opacity:0;translate:0 9px}to{opacity:1;translate:0 0}}
@keyframes sound-bar{from{scale:1 .35}to{scale:1 1}}
@keyframes record-turn{to{rotate:360deg}}
@media(max-width:1050px){.desktop-nav{gap:19px}.header-actions{gap:15px}.chapter-rail span{display:none}.chapter-rail{right:13px}.exhibition-controls{gap:14px}.practice-dots button{padding:8px 12px}.exhibition-progress{display:none}}
@media(max-width:700px){
  :root{--header-height:78px}html{scroll-padding-top:90px}.site-header{padding:17px 6vw}.header-actions{gap:9px}.is-scrolled .site-header{padding-top:12px;padding-bottom:12px}.language-switch{min-width:57px;font-size:10px}.menu-toggle{min-width:74px;gap:9px;padding:8px 10px!important}.menu-toggle>.menu-toggle-word{font-size:9px}
  .chapter-rail{display:none}.menu-top{padding:17px 7vw}.menu-brand{font-size:33px}.menu-content{display:block;padding:28px 9vw 18px}.menu-list{width:100%;padding-top:4vh}.menu-list nav a{font-size:clamp(43px,11vw,68px);padding-top:11px;padding-bottom:11px;gap:15px}.menu-eyebrow{font-size:8px;margin-bottom:20px}.menu-art{inset:10% -38% -15% 30%;opacity:.35}.menu-art img{height:125%;right:10%;top:0}.menu-art-word{display:none}.menu-art-caption{display:none}.menu-note{font-size:11px;max-width:75%;margin-top:28px;min-height:55px}.menu-bottom{padding:17px 7vw 25px;font-size:7px}.menu-bottom span:last-child{display:none}html[lang=zh-CN] .menu-list nav a{font-size:clamp(36px,9vw,51px);line-height:1.45;padding-top:8px;padding-bottom:8px}
  .exhibition-sticky{display:flex;flex-direction:column}.exhibition-topline{order:0}.practice-track{order:2;cursor:auto}.exhibition-controls{display:flex;position:sticky;top:74px;order:1;left:auto;right:auto;bottom:auto;padding:9px 7vw;margin-bottom:9px;gap:10px;background:#e9e3d9f2;backdrop-filter:blur(12px);z-index:5}.practice-dots{max-width:none;gap:6px}.practice-dots button{padding:8px 10px;height:44px;gap:4px}.practice-tab-word{font-size:8px;letter-spacing:.05em}.practice-tab-line{width:6px}.practice-dots .active .practice-tab-line{width:11px}.exhibition-controls>p,.practice-step-controls{display:none}.practice-panel{scroll-margin-top:140px}.practice-panel.is-selected{box-shadow:0 8px 25px #10131412}
  .sound-dock{right:16px;bottom:16px}.sound-panel{width:min(352px,calc(100vw - 32px));padding:12px;bottom:55px}.sound-toggle{padding:0 14px;min-height:42px;font-size:8px}.sound-state{font-size:9px}.p-header-right{gap:12px}.p-header .menu-toggle{min-width:66px}.case-header{flex-wrap:wrap;gap:14px}.case-header .menu-toggle{margin-left:auto}.sound-panel{max-height:calc(100svh - 100px);overflow:auto}
  .hero-image{translate:0 0}
}
@media(max-width:360px){.site-header .brand-caption{display:none}.site-header .brand>span:last-child{font-size:17px}.language-switch{min-width:48px}.menu-toggle{min-width:66px}.practice-dots button{padding:8px}.practice-tab-line{display:none}.menu-content{padding-left:8vw;padding-right:8vw}}
@media(max-width:700px){.p-header .p-home,.case-header .case-back{display:none}.case-header{flex-wrap:nowrap}.case-header-right{gap:12px}.case-header .menu-toggle{margin-left:0}.p-header-right{gap:12px}}
@media(prefers-reduced-motion:reduce){html:not([data-motion="full"]) .is-playing .record-ring{animation:none}}
@media(max-height:620px) and (min-width:701px){.menu-top{padding-top:14px;padding-bottom:8px}.menu-content{padding-top:0;padding-bottom:0}.menu-list nav a{font-size:clamp(35px,5.4vw,65px)}.menu-eyebrow{margin-bottom:10px}.menu-note{margin-top:15px}.menu-bottom{padding-top:10px;padding-bottom:14px}.sound-panel{max-height:calc(100svh - 80px);overflow:auto}}
@media(prefers-reduced-motion:reduce){html:not([data-motion="full"]) .site-menu[open],html:not([data-motion="full"]) .interactions-ready .hero-eyebrow,html:not([data-motion="full"]) .interactions-ready .hero h1>span,html:not([data-motion="full"]) .interactions-ready .hero-intro,html:not([data-motion="full"]) .interactions-ready .hero-foot,html:not([data-motion="full"]) .sound-panel,html:not([data-motion="full"]) .is-playing .sound-bars i{animation:none}html:not([data-motion="full"]) .motion-reveal,html:not([data-motion="full"]) .has-interactions .motion-reveal:not(.is-revealed){opacity:1;translate:none;transition:none}html:not([data-motion="full"]) .hero-image{translate:none;transition:none}html:not([data-motion="full"]) .route-transition{display:none}}