@charset "UTF-8";
:root{--paper:#fafaf7;--surface:#fff;--ink:#202320;--muted:#626861;--line:#dde0d8;--green:#425b4a;--pale:#eef1e9;--radius:20px;--header:76px;--local:64px;font-family:"Helvetica Neue",Arial,system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-padding-top:0}
body{margin:0;-webkit-font-smoothing:antialiased}
button,select{font:inherit;color:inherit}
button,a,select{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
button{border:0;background:none}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p,figure,dl,dd{margin:0}
h1,h2,h3{font-weight:500;text-wrap:balance}
h1{font-size:clamp(48px,5.3vw,78px);line-height:1.03;letter-spacing:-.052em}
h2{font-size:clamp(36px,4.3vw,62px);line-height:1.06;letter-spacing:-.045em}
h3{font-size:24px;line-height:1.2;letter-spacing:-.025em}
p{font-size:17px;line-height:1.65;color:var(--muted)}
::selection{background:#dce9d8;color:#1d3523}
:focus-visible{outline:3px solid #53774a;outline-offset:5px;border-radius:3px}
main:focus{outline:none}
.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}
.eyebrow{font-size:12px;line-height:1.5;font-weight:500;letter-spacing:.015em;color:var(--muted)}
.lead{font-size:22px;line-height:1.55;letter-spacing:-.018em}
.text-link,.quiet-link{display:inline-flex;gap:26px;align-items:center;font-size:15px;font-weight:500;line-height:1.5;min-height:44px}
.text-link{border-bottom:1px solid var(--ink);padding:8px 0}
.text-link span,.quiet-link span{transition:transform .2s ease}
.text-link:hover span,.quiet-link:hover span{transform:translate(3px,-3px)}
.quiet-link{color:var(--ink)}
.skip{position:fixed;left:20px;top:-100px;z-index:100;padding:14px 22px;background:var(--ink);color:white}
.skip:focus{top:12px}
#header{height:var(--header);position:sticky;top:0;z-index:30;background:rgba(250,250,247,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.wordmark{display:inline-flex;align-items:center;gap:9px;font-size:19px;font-weight:600;letter-spacing:-.04em;min-height:44px}
.wordmark-dot{height:6px;width:6px;border-radius:50%;background:var(--green);margin-top:2px}
.header-inner nav{display:flex;gap:32px}
.header-inner nav a{font-size:14px;line-height:44px;color:var(--muted);position:relative}
.header-inner nav a[aria-current]{color:var(--ink)}
.header-inner nav a[aria-current]::after{content:"";position:absolute;bottom:5px;left:0;right:0;height:1px;background:var(--ink)}
.home-intro{display:grid;grid-template-columns:1.65fr 1fr;gap:72px;padding:62px 0 44px;align-items:end}
.home-intro h1{font-size:clamp(44px,4.9vw,70px);margin-top:19px}
.home-intro h1 span{color:var(--ink)}
.intro-note{max-width:340px;justify-self:end;padding-bottom:2px}
.intro-note p{font-size:17px;line-height:1.6;margin-bottom:12px}
.work-index{padding:0 0 30px;font-size:13px}
.work-index-heading{display:flex;justify-content:space-between;color:var(--muted);margin-bottom:14px;font-size:12px}
.project-index-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.index-project{display:flex;align-items:center;gap:17px;padding:14px 0;border-top:1px solid var(--line);min-width:0}
.index-thumbnail{width:80px;height:62px;background:#eceee6;border-radius:8px;overflow:hidden;flex:none;display:grid;place-items:center}
.index-thumbnail img{width:100%;height:100%;object-fit:contain;transition:transform .25s}
.index-bioby .index-thumbnail img{object-fit:cover;object-position:top}
.index-dialysis .index-thumbnail{background:white}
.index-description{display:flex;flex-direction:column;gap:6px;min-width:0}
.index-description strong{font-weight:500;font-size:14px}
.index-description small{font-size:11px;color:var(--muted)}
.index-project>span:last-child{margin-left:auto;color:var(--muted);padding:0 8px}
.index-project:hover .index-thumbnail img{transform:scale(1.06)}
.index-project:hover strong{color:var(--green)}
.home-project{scroll-margin-top:100px;margin-bottom:28px;border-radius:var(--radius);overflow:hidden}
.xisu-feature{position:relative;display:grid;grid-template-columns:.85fr 1.15fr;background:#eceee6;min-height:540px}
.feature-copy{padding:56px 0 50px 64px;align-self:center;position:relative;z-index:1}
.feature-copy h2{margin:25px 0;font-size:clamp(50px,5.7vw,80px)}
.feature-copy>p:not(.eyebrow){max-width:330px}
.feature-copy .text-link{margin-top:25px}
.project-tags{margin-top:34px;display:flex;gap:17px;color:var(--muted);font-size:11px;letter-spacing:.02em}
.project-tags span+span{padding-left:17px;border-left:1px solid #bdc5b8}
.cutout-stage{position:relative;min-width:0;display:flex;align-items:center;justify-content:center;padding:32px 20px 40px 0;overflow:hidden}
.cutout{width:100%;height:auto;object-fit:contain;max-height:560px;filter:drop-shadow(0 22px 20px rgba(55,65,47,.06))}
.visual-note{position:absolute;bottom:22px;right:32px;font-size:10px;letter-spacing:.01em;color:#62695f}
.bioby-feature{padding:55px 64px 28px;background:#e4ecdf}
.project-topline,.project-bottomline{display:flex;align-items:center;justify-content:space-between;gap:20px}
.project-topline>span{font-size:12px;color:var(--muted)}
.feature-heading{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:end}
.bioby-feature .feature-heading{margin-top:32px}
.feature-heading h2{font-size:clamp(38px,4.3vw,60px)}
.feature-heading>div:last-child>p{max-width:365px}
.feature-heading .text-link{margin-top:20px}
.screen-pair{position:relative;width:100%;padding:54px 100px 34px 0;margin-top:5px}
.desktop-screen{background:#fff;border:1px solid #d0d8cd;border-radius:12px;overflow:hidden;box-shadow:0 22px 50px -24px #55674a66}
.desktop-screen>img{width:100%;aspect-ratio:1.68;object-fit:cover;object-position:top}
.browser-bar{height:28px;display:flex;align-items:center;gap:5px;background:#f7f8f5;border-bottom:1px solid #e5e9e2;padding:0 12px;position:relative}
.browser-bar i{width:5px;height:5px;border-radius:50%;background:#c4cbc0}
.browser-bar span{font-size:9px;position:absolute;left:50%;transform:translateX(-50%);color:#778370}
.mobile-screen{position:absolute;width:21.5%;right:2px;bottom:0;border:5px solid #fbfcf9;border-radius:21px;overflow:hidden;box-shadow:0 16px 35px -15px #3f513a66;background:white}
.mobile-screen img{width:100%;aspect-ratio:390/780;object-fit:cover;object-position:top}
.project-bottomline{border-top:1px solid #cbd4c5;margin-top:35px;padding-top:23px;color:var(--muted);font-size:11px;line-height:1.5}
.dialysis-feature{background:#fff;padding:60px 64px 28px}
.dialysis-feature .eyebrow{margin-bottom:25px}
.project-image-link{display:block;margin-top:35px}
.project-image-link img{width:100%;transition:transform .5s ease}
.project-image-link:hover img{transform:scale(1.015)}
.dialysis-feature .project-bottomline{border-color:var(--line);margin-top:10px}
.home-about{display:grid;grid-template-columns:1fr 1fr;column-gap:100px;padding:100px 0 110px}
.home-about>.eyebrow{grid-column:1/-1;margin-bottom:28px}
.home-about>div{max-width:410px}
.home-about .text-link{margin-top:20px}
.footer-inner{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.4fr auto;gap:28px;padding:40px 0 32px;align-items:center}
.footer-inner>p{font-size:13px}
.footer-inner>small{grid-column:1/-1;font-size:10px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.case-nav{position:sticky;top:var(--header);z-index:20;background:rgba(250,250,247,.97);border-bottom:1px solid var(--line)}
.case-nav>.wrap{min-height:var(--local);display:flex;align-items:center;gap:32px}
.case-back{font-size:12px;color:var(--muted);display:inline-flex;gap:10px;min-height:44px;align-items:center}
.case-nav-name{font-size:14px;font-weight:600}
.chapter-links{display:flex;gap:24px;margin-left:auto}
.chapter-links button{font-size:12px;min-height:44px;padding:0;color:var(--muted);position:relative}
.chapter-links button[aria-current]{color:var(--ink)}
.chapter-links button[aria-current]::after{content:"";position:absolute;bottom:6px;left:0;right:0;height:1px;background:var(--ink)}
.chapter-select{display:none}
.case-hero{padding-top:78px}
.case-hero h1{margin:23px 0 25px}
.metadata{display:flex;gap:45px;margin-top:46px}
.metadata dt{color:var(--muted);font-size:11px;letter-spacing:.015em;margin-bottom:10px}
.metadata dd{font-size:13px;line-height:1.4}
.xisu-case-hero{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;padding-bottom:50px;align-items:center}
.xisu-case-hero h1{font-size:clamp(46px,4.6vw,66px)}
.xisu-case-hero .metadata{gap:26px;flex-wrap:wrap}
.xisu-case-hero .cutout-stage{min-height:530px;background:#eceee6;border-radius:var(--radius);padding:36px 12px 54px}
.xisu-case-hero .cutout{max-height:500px}
.chapter{padding:100px 0;scroll-margin-top:140px;border-top:1px solid var(--line)}
.section-heading{max-width:800px;margin-bottom:52px}
.section-heading h2{margin-top:23px}
.section-intro{font-size:19px;max-width:700px;margin-top:28px;line-height:1.65}
.reasoning-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}
.reasoning-grid>div{border-top:1px solid var(--line);padding-top:24px}
.reasoning-grid h3{font-size:20px;margin-bottom:15px}
.reasoning-grid p{font-size:15px}
.task-sequence{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:0;margin:0 0 44px}
.task-sequence li{border-top:1px solid var(--line);padding-top:18px}
.task-sequence span{font-size:11px;color:var(--green)}
.task-sequence h3{font-size:19px;margin:16px 0 8px}
.task-sequence p{font-size:14px}
.state-viewer{background:#f0f1eb;border-radius:var(--radius);padding:32px}
.state-controls{display:flex;align-items:center;justify-content:space-between;gap:24px}
.segmented{display:inline-flex;gap:4px;background:#e2e6dc;border-radius:99px;padding:4px;max-width:100%}
.segmented button{font-size:12px;padding:11px 20px;min-height:44px;border-radius:99px;transition:background .15s}
.segmented button[aria-pressed="true"]{background:#fff;box-shadow:0 1px 4px #27382115}
.segmented button:hover:not([aria-pressed="true"]){background:#d5dccd}
.interaction-hint{font-size:11px}
.state-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:45px;align-items:center;padding-top:28px}
.state-image{width:100%;background:#e9ece4;border-radius:12px}
.state-image img{width:100%;height:440px;object-fit:contain}
.state-description h3{font-size:32px;margin:15px 0 20px}
.state-description p:not(.eyebrow){font-size:16px}
.state-tags{list-style:none;margin:24px 0 0;padding:0}
.state-tags li{font-size:12px;border-top:1px solid #d4d9cd;padding:13px 0}
.state-tags:empty{display:none}
.image-button{position:relative;padding:0;display:block;overflow:hidden;width:100%;cursor:zoom-in;border-radius:12px;text-align:left}
.image-button>img{width:100%}
.enlarge{position:absolute;bottom:14px;right:14px;border-radius:50%;background:rgba(255,255,255,.9);border:1px solid #ddd;color:var(--ink);width:34px;height:34px;display:grid;place-items:center;font-size:22px;font-weight:300;transition:transform .2s}
.image-button:hover .enlarge{transform:scale(1.1)}
figcaption,.small-note{font-size:11px;color:var(--muted);line-height:1.6;margin-top:13px}
.dark-chapter{background:#252b27;border:0;color:#f5f6f0;padding:100px 0}
.dark-chapter p,.dark-chapter .eyebrow,.dark-chapter figcaption{color:#b8c1b6}
.dark-chapter .section-heading{max-width:840px}
.exploded .image-button{background:#1f2722;border-radius:var(--radius)}
.exploded img{max-height:640px;object-fit:contain}
.dark-detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-top:50px}
.dark-detail-grid h3{font-size:21px;margin-bottom:16px}
.dark-detail-grid p{font-size:15px}
.detail-chapter{border:0;padding-bottom:70px}
.two-up{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.two-up img{width:100%;aspect-ratio:1.5;object-fit:cover}
.reflection{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.reflection h2{font-size:clamp(34px,3.5vw,48px);margin-top:24px}
.reflection>div:last-child>p{font-size:18px}
.plain-list{padding:0;list-style:none;margin:27px 0 34px}
.plain-list li{padding:14px 0;border-top:1px solid var(--line);font-size:14px;line-height:1.6;color:var(--muted)}
.source-note{border-top:1px solid var(--line);padding-top:18px}
summary{font-size:13px;line-height:1.6;cursor:pointer;min-height:44px;list-style-position:outside;margin-left:18px}
.source-note p{font-size:13px;margin:12px 0}
.next-project{border-top:1px solid var(--line);padding:52px 0 65px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.next-project h2{font-size:40px;margin:18px 0 12px}
.next-project>.next-arrow{font-size:48px;font-weight:300;transition:transform .2s;margin-left:auto}
.next-project:hover>.next-arrow{transform:translate(4px,-4px)}
.next-project>div>p:last-child{font-size:15px}
.bioby-case-hero,.dialysis-case-hero{text-align:center}
.bioby-case-hero .metadata,.dialysis-case-hero .metadata{justify-content:center}
.case-screen-pair{background:#e4ecdf;border-radius:var(--radius);padding:65px 170px 55px 65px;margin:65px 0 100px;overflow:hidden}
.case-screen-pair .mobile-screen{width:19%;right:48px;bottom:30px}
.architecture{border:1px solid var(--line);border-radius:var(--radius);padding:40px;background:white}
.architecture-root{border-bottom:1px solid var(--line);padding-bottom:30px}
.architecture-root>span{font-size:13px;color:var(--green);display:block;margin-bottom:16px}
.architecture-root>strong{font-size:28px;font-weight:500;letter-spacing:-.025em}
.architecture-root p{font-size:13px;margin-top:8px}
.architecture-branches{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-top:32px}
.architecture-branches h3{margin-top:12px}
.architecture-branches ul{list-style:none;padding:0;margin:24px 0 0}
.architecture-branches li{font-size:14px;color:var(--muted);padding:11px 0;border-top:1px solid #edf0e9}
.web-explorer{background:#e8eee2;padding:30px;border-radius:var(--radius)}
.explorer-controls{display:flex;justify-content:space-between;gap:24px;align-items:center}
.device-switch{display:flex;gap:4px}
.device-switch button{min-height:44px;font-size:12px;padding:8px 14px;border-bottom:1px solid transparent}
.device-switch button[aria-pressed="true"]{border-bottom-color:var(--ink)}
.web-preview{margin:30px auto;min-height:450px;display:flex;justify-content:center;align-items:flex-start}
.web-preview>.image-button{max-width:100%;background:white;box-shadow:0 10px 30px #26371b12;border:1px solid #ccd6c4;border-radius:12px}
.web-preview img{width:100%;height:auto}
.web-explorer[data-device="mobile"] .web-preview>.image-button{max-width:340px;border:5px solid #fff;border-radius:22px}
.web-explorer[data-device="mobile"] .web-preview img{height:640px;object-fit:cover;object-position:top}
.web-description{display:grid;grid-template-columns:1fr 1fr;gap:40px;border-top:1px solid #cdd7c5;padding-top:28px}
.web-description h3{font-size:26px}
.web-description p{font-size:15px}
.two-column-copy{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:45px 0 20px}
.two-column-copy h3{margin-bottom:18px}
.two-column-copy p{font-size:16px}
.archive-details{margin-top:32px;border-top:1px solid var(--line);padding-top:22px}
.archive-details summary span{float:right}
.full-page-capture{max-width:700px;margin:24px auto 0}
.full-page-capture .image-button{max-height:850px;overflow:hidden}
.full-page-capture .enlarge{position:absolute;top:18px;bottom:auto}
.dialysis-family{width:100%;margin:55px 0 85px;border-radius:var(--radius)}
.system-map{max-width:900px;margin:0 auto 60px;text-align:center}
.system-core{border:1px solid #bdc9b6;border-radius:12px;background:#edf1e8;padding:28px;max-width:420px;margin:0 auto;position:relative}
.system-core h3,.system-bases h3{margin:12px 0 9px}
.system-map p:not(.eyebrow){font-size:13px}
.system-core::after{content:"";position:absolute;height:30px;width:1px;background:#b7c1b1;top:100%;left:50%}
.system-bases{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:60px;position:relative}
.system-bases::before{content:"";position:absolute;top:-30px;left:25%;right:25%;height:1px;background:#b7c1b1}
.system-bases>div{border:1px solid var(--line);padding:26px;border-radius:12px;position:relative;background:white}
.system-bases>div::before{content:"";position:absolute;top:-30px;left:50%;width:1px;height:30px;background:#b7c1b1}
.dialysis-viewer{background:#f0f2ed}
.dialysis-viewer .state-image{background:white}
.dialysis-viewer .state-image img{height:460px;background:white}
.access-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:70px;align-items:center;margin-top:55px}
.access-layout .figure{background:white;padding:15px;border-radius:var(--radius)}
.access-layout h3{font-size:32px;margin:18px 0 24px}
.access-layout>div>p:not(.eyebrow){font-size:16px}
.access-layout.reverse{grid-template-columns:1fr 1.4fr;margin-top:80px}
.access-layout.reverse>.figure{grid-column:2;grid-row:1}
.access-layout.reverse>div{grid-column:1;grid-row:1}
.about-hero{padding:90px 0 60px}
.about-hero h1{margin-top:22px;font-size:clamp(56px,8.5vw,120px)}
.about-statement{font-size:clamp(32px,4vw,58px);line-height:1.12;letter-spacing:-.04em;margin-top:45px}
.about-statement em{font-style:normal;color:var(--green)}
.about-body{display:grid;grid-template-columns:1.3fr 1fr;gap:120px;padding:60px 0 90px;border-top:1px solid var(--line)}
.about-body .lead{margin:25px 0}
.about-body>div>p+p{margin-top:22px}
.about-projects a{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:25px 0;gap:20px}
.about-projects small{display:block;color:var(--muted);font-size:11px;margin-bottom:12px}
.about-projects strong{font-weight:500;font-size:25px;letter-spacing:-.025em}
.about-projects>a>span:last-child{font-size:25px}
.about-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;padding:0 0 90px}
.about-principles>div{border-top:1px solid var(--line);padding-top:25px}
.about-principles span{font-size:12px;color:var(--muted)}
.about-principles h2{font-size:27px;margin:25px 0 18px;letter-spacing:-.025em}
.about-principles p{font-size:15px}
.draft-note{font-size:12px;padding-bottom:50px}
.empty{min-height:60vh;padding:100px 0}
.empty h1{margin:30px 0}
#viewer{max-width:none;width:calc(100vw - 40px);height:calc(100dvh - 40px);max-height:none;background:#f7f8f3;border:0;border-radius:16px;padding:82px 30px 60px;color:var(--ink);overflow:auto}
#viewer::backdrop{background:rgba(14,23,16,.8);backdrop-filter:blur(7px)}
.viewer-toolbar{position:fixed;top:20px;left:20px;right:20px;z-index:2;height:66px;display:flex;align-items:center;gap:18px;padding:0 22px;background:#f7f8f3f5;border-radius:16px 16px 0 0;border-bottom:1px solid var(--line)}
.viewer-toolbar button{min-width:44px;min-height:44px;border:1px solid var(--line);border-radius:50%;font-size:18px}
.viewer-toolbar button:hover{background:#e6ebdf}
.viewer-paging{display:flex;gap:18px;align-items:center;margin-right:auto}
#image-count{font-size:12px;min-width:42px;text-align:center}
#zoom-image{font-size:12px;border-radius:30px;padding:0 20px}
#close-viewer{font-size:24px}
#large-image{height:calc(100dvh - 190px);width:100%;object-fit:contain;margin:0 auto}
#image-caption{text-align:center;font-size:12px;margin-top:18px}
#viewer.zoomed #large-image{height:auto;width:auto;min-width:0;max-width:100%;max-height:none}

@media(min-width:1600px){.wrap{width:min(1400px,calc(100% - 160px))}.xisu-feature{min-height:700px}.cutout{max-height:670px}}
@media(max-width:1100px){
 .wrap{width:calc(100% - 64px)}.home-intro{gap:40px}.feature-copy{padding-left:40px}.xisu-feature{min-height:580px}.bioby-feature,.dialysis-feature{padding-left:40px;padding-right:40px}.feature-heading{gap:35px}.cutout-stage{padding-right:8px}.chapter-links{gap:16px}.case-nav>.wrap{gap:22px}.case-back{font-size:11px}.metadata{gap:25px}.xisu-case-hero{grid-template-columns:1fr 1fr}.xisu-case-hero .cutout-stage{min-height:460px}.xisu-case-hero .visual-note{font-size:9px;right:15px}.xisu-case-hero .metadata{gap:20px}.reflection{gap:45px}.state-layout{gap:28px;grid-template-columns:1.25fr 1fr}.state-image img{height:360px}.state-description h3{font-size:28px}.interaction-hint{display:none}.access-layout{gap:40px}.about-body{gap:65px}.screen-pair{padding-right:75px}.case-screen-pair{padding:45px 130px 45px 45px}.case-screen-pair .mobile-screen{right:30px}.reasoning-grid,.dark-detail-grid{gap:28px}
}
@media(max-width:780px){
 :root{--header:64px;--local:58px}.wrap{width:calc(100% - 40px)}h1{font-size:48px}h2{font-size:40px}p{font-size:16px}.wordmark{font-size:18px}.header-inner nav{gap:22px}.home-intro{padding:55px 0 35px;grid-template-columns:1fr;gap:25px}.home-intro h1{font-size:clamp(40px,7.8vw,59px);margin-top:19px}.intro-note{max-width:430px;justify-self:start}.intro-note p{font-size:15px}.intro-note .quiet-link{font-size:13px}.work-index{align-items:flex-start;flex-direction:column;gap:8px;padding-bottom:14px}.work-index>span{font-size:11px}.work-index>div{width:100%;justify-content:space-between;gap:16px}.work-index button{font-size:12px;gap:12px}.home-project{border-radius:16px;margin-bottom:20px}.xisu-feature{grid-template-columns:1fr;min-height:0}.feature-copy{padding:35px 28px 0}.feature-copy h2{font-size:55px;margin:20px 0}.feature-copy>p:not(.eyebrow){font-size:15px;max-width:400px}.feature-copy .text-link{margin-top:17px}.project-tags{margin-top:25px;font-size:10px}.cutout-stage{padding:14px 25px 45px;height:440px}.cutout{max-height:390px;width:100%}.visual-note{font-size:9px;right:22px;bottom:17px}.bioby-feature,.dialysis-feature{padding:35px 28px 23px}.project-topline>span{display:none}.feature-heading{grid-template-columns:1fr;gap:22px}.feature-heading h2{font-size:42px}.bioby-feature .feature-heading{margin-top:22px}.feature-heading>div:last-child>p{font-size:15px;max-width:none}.feature-heading .text-link{margin-top:14px}.screen-pair{padding:35px 42px 25px 0;margin-top:3px}.mobile-screen{width:24%;border-width:3px;border-radius:10px;right:0}.desktop-screen{border-radius:7px}.browser-bar{height:18px;padding:0 7px;gap:3px}.browser-bar i{width:3px;height:3px}.browser-bar span{font-size:6px}.project-bottomline{font-size:10px;align-items:flex-start;gap:12px;margin-top:25px;padding-top:18px;flex-direction:column}.project-bottomline>span:last-child{color:#6f776a}.dialysis-feature .eyebrow{margin-bottom:20px}.project-image-link{margin:25px -15px 0}.home-about{grid-template-columns:1fr;gap:25px;padding:65px 0}.home-about>.eyebrow{margin:0}.home-about>div{max-width:none}.home-about h2{font-size:42px}.footer-inner{grid-template-columns:1fr auto;gap:12px;padding:30px 0}.footer-inner>p{grid-column:1;grid-row:2;font-size:11px}.footer-inner>.quiet-link{grid-column:2;grid-row:1;font-size:13px}.footer-inner>small{margin-top:17px;font-size:9px}.case-nav>.wrap{gap:12px}.case-back{font-size:0;gap:0}.case-back>span{font-size:19px;min-width:24px}.case-nav-name{font-size:13px}.chapter-links{display:none}.chapter-select{display:block;margin-left:auto;border:1px solid var(--line);background:var(--paper);border-radius:7px;max-width:160px;padding:10px 8px;font-size:12px;min-height:40px}.case-hero{padding-top:45px}.case-hero h1{font-size:44px}.case-hero .lead{font-size:18px}.case-hero .lead br{display:none}.xisu-case-hero{grid-template-columns:1fr;gap:35px;padding-bottom:55px}.xisu-case-hero .cutout-stage{min-height:0;height:450px}.xisu-case-hero .cutout{max-height:380px}.metadata{gap:28px 20px;flex-wrap:wrap;margin-top:32px;justify-content:flex-start!important}.metadata>div{flex:1;min-width:90px}.metadata dt{font-size:9px;margin-bottom:7px}.metadata dd{font-size:11px}.chapter{padding:60px 0;scroll-margin-top:122px}.section-heading{margin-bottom:34px}.section-heading h2{margin-top:18px}.section-intro{font-size:17px;margin-top:23px}.reasoning-grid{grid-template-columns:1fr;gap:26px}.reasoning-grid>div{padding-top:18px}.reasoning-grid h3{margin-bottom:10px}.task-sequence{grid-template-columns:1fr 1fr;gap:26px 22px;margin-bottom:30px}.task-sequence h3{font-size:17px;margin-top:12px}.task-sequence p{font-size:12px}.state-viewer{padding:20px 16px;border-radius:15px}.state-controls{display:block}.segmented{width:100%;justify-content:space-between}.segmented button{font-size:11px;padding:9px 12px;flex:1}.state-layout{grid-template-columns:1fr;gap:25px;padding-top:20px}.state-image img{height:330px}.state-description h3{font-size:29px;margin:12px 0 16px}.state-description p:not(.eyebrow){font-size:15px}.state-description{padding:0 6px 6px}.dark-chapter{padding:65px 0}.dark-detail-grid{grid-template-columns:1fr;gap:28px;margin-top:35px}.dark-detail-grid h3{font-size:23px;margin-bottom:10px}.two-up{grid-template-columns:1fr;gap:30px}.detail-chapter{padding:45px 0}.reflection{grid-template-columns:1fr;gap:28px}.reflection h2{font-size:38px;margin-top:20px}.reflection>div:last-child>p{font-size:16px}.next-project{padding:35px 0 45px}.next-project h2{font-size:34px}.next-project>span{font-size:44px}.next-project>div>p:last-child{font-size:13px}.bioby-case-hero,.dialysis-case-hero{text-align:left}.case-screen-pair{padding:30px 65px 35px 20px;margin:38px 0 60px}.case-screen-pair .mobile-screen{width:24%;right:14px;bottom:18px}.architecture{padding:26px}.architecture-branches{grid-template-columns:1fr;gap:30px}.architecture-branches ul{margin-top:18px}.architecture-root{padding-bottom:25px}.architecture-branches>div>.eyebrow{font-size:10px}.web-explorer{padding:18px;border-radius:15px}.explorer-controls{flex-direction:column;gap:14px;align-items:stretch}.device-switch{justify-content:center}.web-preview{min-height:0;margin:20px auto}.web-explorer[data-device="mobile"] .web-preview img{height:auto;max-height:700px;object-fit:cover}.web-description{grid-template-columns:1fr;gap:15px;padding-top:20px}.web-description h3{font-size:24px}.two-column-copy{grid-template-columns:1fr;gap:30px;padding-top:32px}.two-column-copy h3{font-size:23px;margin-bottom:12px}.dialysis-family{margin:35px 0 55px}.system-bases{gap:18px}.system-bases>div{padding:22px 12px}.system-bases h3{font-size:20px}.system-map p:not(.eyebrow){font-size:12px}.system-map .eyebrow{font-size:10px}.dialysis-viewer .state-image img{height:310px}.access-layout,.access-layout.reverse{grid-template-columns:1fr;gap:25px;margin-top:35px}.access-layout.reverse{margin-top:55px}.access-layout.reverse>.figure,.access-layout.reverse>div{grid-column:auto;grid-row:auto}.access-layout h3{font-size:29px;margin:12px 0 18px}.about-hero{padding:55px 0 40px}.about-hero h1{font-size:60px}.about-statement{font-size:37px;margin-top:30px}.about-body{grid-template-columns:1fr;gap:30px;padding:38px 0 55px}.about-body .lead{font-size:21px}.about-principles{grid-template-columns:1fr;gap:30px;padding-bottom:40px}.about-principles h2{margin:18px 0 13px}.about-projects strong{font-size:24px}.about-projects a{padding:22px 0}.draft-note{font-size:11px}#viewer{width:calc(100vw - 16px);height:calc(100dvh - 16px);padding:78px 12px 35px;border-radius:12px}.viewer-toolbar{top:8px;left:8px;right:8px;gap:8px;padding:0 10px}.viewer-paging{gap:6px}.viewer-toolbar button{min-width:40px;min-height:40px}#zoom-image{padding:0 11px;font-size:10px}#image-count{font-size:10px;min-width:34px}#large-image{height:calc(100dvh - 175px)}#image-caption{font-size:10px}
}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}.home-intro h1{font-size:36px}.work-index button{gap:7px;font-size:11px}.feature-copy,.bioby-feature,.dialysis-feature{padding-left:22px;padding-right:22px}.feature-copy h2{font-size:49px}.feature-heading h2{font-size:36px}.cutout-stage{height:370px}.xisu-case-hero .cutout-stage{height:390px}.case-hero h1{font-size:38px}.metadata{gap:18px 12px}.metadata>div{min-width:75px}.metadata dd{font-size:10px}.segmented button{font-size:10px;padding:8px}.state-image img{height:280px}.chapter-select{max-width:135px}.case-nav-name{font-size:12px}.about-hero h1{font-size:50px}.about-statement{font-size:32px}.system-bases h3{font-size:18px}.web-explorer{padding:14px}.viewer-paging{gap:2px}.viewer-toolbar{padding:0 6px}.viewer-toolbar button{min-width:36px}}
@media(max-width:780px){.cutout-stage{height:380px}.xisu-case-hero .cutout-stage{height:400px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.header-actions{display:flex;align-items:center;gap:30px}
.language-switch{display:flex;align-items:center;gap:3px;border-left:1px solid var(--line);padding-left:22px;font-size:12px;color:var(--muted)}
.language-switch button{min-height:44px;min-width:38px;padding:0 5px;font-size:12px;color:var(--muted)}
.language-switch button[aria-pressed="true"]{color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:6px}
html[lang="zh-CN"]{font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2{line-height:1.22;letter-spacing:-.025em}
html[lang="zh-CN"] h3{line-height:1.4;letter-spacing:0}
html[lang="zh-CN"] p{line-height:1.85}
html[lang="zh-CN"] .eyebrow{letter-spacing:.04em}
html[lang="zh-CN"] .home-intro h1{font-size:clamp(42px,4.6vw,66px)}
html[lang="zh-CN"] .feature-copy h2{font-size:clamp(46px,5.1vw,72px)}
@media(max-width:780px){.header-actions{gap:15px}.header-inner nav{gap:16px}.language-switch{gap:0;padding-left:12px}.language-switch button{min-width:32px;font-size:11px}.language-switch>span{font-size:10px}html[lang="zh-CN"] .home-intro h1{font-size:42px}html[lang="zh-CN"] .feature-copy h2{font-size:48px}}
@media(max-width:390px){.header-inner .wordmark{font-size:16px;gap:5px}.header-actions{gap:10px}.header-inner nav{gap:12px}.header-inner nav a{font-size:12px}.language-switch{padding-left:8px}.language-switch button{min-width:28px;padding:0 2px}html[lang="zh-CN"] .home-intro h1{font-size:38px}}
/* Project overviews and reading tools */
.case-hero{scroll-margin-top:160px}
.project-preview-link{display:block;border-radius:12px}
.xisu-feature>a.cutout-stage:hover .cutout{transform:translateY(-4px)}
.xisu-feature>a.cutout-stage .cutout{transition:transform .3s}
.case-brief{display:grid;grid-template-columns:1.1fr 1.1fr .8fr;gap:45px;padding:34px 0 48px;border-top:1px solid var(--line)}
.case-brief h2{font-size:12px;line-height:1.5;letter-spacing:0;color:var(--muted);font-weight:500;margin-bottom:14px;text-wrap:initial}
.case-brief p{font-size:18px;line-height:1.65;color:var(--ink);max-width:34ch;letter-spacing:-.01em}
.brief-outputs ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.brief-outputs li{font-size:13px;line-height:1.5;padding-left:14px;position:relative;color:var(--muted)}
.brief-outputs li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--green);position:absolute;left:0;top:.6em}
.case-screen-pair{margin-bottom:60px}
.dialysis-family{margin-bottom:60px}
.share-project{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;flex:none}
.share-project:hover,.share-project.copied{background:var(--pale);border-color:var(--green);color:var(--green)}
.case-nav>.wrap{gap:24px}
.case-progress{position:absolute;inset:auto 0 -1px;height:2px;pointer-events:none}
.case-progress span{display:block;width:100%;height:100%;background:var(--green);transform:scaleX(0);transform-origin:left}
.next-preview{width:220px;height:150px;border-radius:12px;overflow:hidden;background:#eceee6;flex:none;display:grid;place-items:center;margin-right:20px}
.next-preview img{width:100%;height:100%;object-fit:contain;transition:transform .3s}
.next-bioby img{object-fit:cover;object-position:top}
.next-dialysis{background:white}
.next-project:hover .next-preview img{transform:scale(1.035)}
.next-project h2{margin:13px 0 10px}
#site-status{position:fixed;bottom:max(26px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:50;padding:13px 22px;border-radius:99px;background:var(--ink);color:white;font-size:13px;line-height:1.5;max-width:calc(100vw - 32px);box-shadow:0 5px 25px #20232015;text-align:center}
#site-status:empty{display:none}
#viewer{overscroll-behavior:contain}
html[lang="zh-CN"] .case-brief h2{line-height:1.5;letter-spacing:0}
html[lang="zh-CN"] .case-brief p{line-height:1.85;font-size:17px}
.about-principles>div>span{display:none}
.footer-inner>small{letter-spacing:0;text-transform:none}
@media(min-width:781px) and (max-width:1050px){.case-nav>.wrap{gap:16px}.chapter-links{gap:15px}.case-nav-name{display:none}.case-brief{gap:26px}.index-thumbnail{width:64px;height:54px}.index-project{gap:12px}.index-description small{font-size:10px}.next-preview{width:170px;height:125px}}
@media(max-width:780px){
  .home-intro{padding-top:40px;padding-bottom:32px;gap:25px}
  .home-intro h1{margin-top:16px}
  .intro-note{max-width:440px}
  .intro-note p{margin-bottom:6px}
  .work-index{padding-bottom:20px}
  .work-index-heading{font-size:11px;gap:20px;margin-bottom:8px}
  .work-index-heading>span:last-child{max-width:180px;text-align:right}
  .project-index-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
  .index-project{flex-direction:column;align-items:flex-start;gap:11px;padding:12px 0}
  .index-thumbnail{width:100%;height:74px}
  .index-description{gap:5px}
  .index-description strong{font-size:12px}
  .index-description small{font-size:10px;line-height:1.5}
  .index-project>span:last-child{display:none}
  .feature-copy{padding-top:20px;padding-bottom:35px;grid-row:2}
  .feature-copy h2{margin:18px 0}
  .xisu-feature .cutout-stage{grid-row:1;height:315px;padding:25px 16px 30px}
  .xisu-feature .cutout{max-height:280px;width:100%}
  .case-nav>.wrap{gap:10px}
  .case-nav-name{font-size:12px}
  .chapter-select{max-width:140px;min-width:0}
  .share-project{width:36px;height:36px}
  .case-brief{grid-template-columns:1fr;gap:25px;padding:28px 0 36px}
  .case-brief h2{font-size:12px;margin-bottom:8px}
  .case-brief p{font-size:17px;max-width:46ch}
  .brief-outputs ul{display:flex;gap:10px 18px;flex-wrap:wrap}
  .brief-outputs li{font-size:12px}
  .next-project{gap:16px;flex-wrap:wrap}
  .next-preview{width:104px;height:100px;margin-right:0;border-radius:9px}
  .next-project>div{flex:1;min-width:0}
  .next-project h2{font-size:27px;margin:9px 0}
  .next-project>div>p:last-child{font-size:12px;line-height:1.55}
  .next-project>.next-arrow{font-size:30px}
  .case-screen-pair,.dialysis-family{margin-bottom:35px}
}
@media(max-width:360px){.case-nav>.wrap{gap:7px}.chapter-select{max-width:117px;font-size:11px}.share-project{width:32px;height:32px}.index-thumbnail{height:62px}.next-preview{width:85px;height:95px}.next-project>.next-arrow{font-size:25px}}
/* About: a concise, source-backed profile rather than a full resume. */
.profile-hero{display:grid;grid-template-columns:1.5fr 1fr;gap:100px;align-items:start;padding:72px 0 74px}
.profile-introduction h1{font-size:clamp(62px,7vw,100px);letter-spacing:-.055em;margin:20px 0 28px;line-height:1.05!important}
.profile-position{font-size:clamp(28px,3.1vw,43px);line-height:1.18!important;letter-spacing:-.035em;color:var(--ink);text-wrap:balance;margin-bottom:24px}
.profile-intro{font-size:18px;max-width:49ch;line-height:1.7;margin-bottom:16px}
.profile-facts{background:var(--pale);padding:32px 34px;border-radius:18px;margin-top:18px;display:grid;gap:28px}
.profile-facts h2{font-size:23px;line-height:1.3;letter-spacing:-.025em;margin:13px 0 7px}
.profile-facts p{font-size:14px;line-height:1.7;margin-top:7px}
.profile-facts .profile-date{font-size:12px;line-height:1.7;margin-top:11px}
.profile-date{font-size:12px;color:var(--muted);line-height:1.65;font-variant-numeric:tabular-nums}
.profile-story{display:grid;grid-template-columns:1fr 1.65fr;gap:100px;padding:55px 0 78px;border-top:1px solid var(--line)}
.profile-story h2{font-size:clamp(34px,3.5vw,49px);line-height:1.1}
.profile-story .lead{font-size:23px;line-height:1.55;color:var(--ink);max-width:49ch}
.profile-story p+p{margin-top:20px}
.profile-story p:not(.lead){font-size:16px;max-width:65ch}
.profile-section{padding:52px 0 60px}
.profile-section-heading{display:grid;grid-template-columns:1fr 1.65fr;gap:100px;align-items:baseline;margin-bottom:36px}
.profile-section-heading h2{font-size:31px;line-height:1.25;letter-spacing:-.03em}
.profile-section-heading>p{font-size:14px}
.profile-experience-list{display:grid;gap:40px}
.profile-experience{display:grid;grid-template-columns:.65fr 1fr 1.65fr;gap:40px;align-items:start}
.profile-experience h3{font-size:20px;line-height:1.35;margin-bottom:8px}
.profile-experience>.profile-date{padding-top:3px;font-size:12px}
.profile-organisation{font-size:13px;line-height:1.65;color:var(--muted)}
.profile-experience>p:last-child,.profile-experience>div:last-child>p{font-size:15px;line-height:1.75;max-width:62ch}
.profile-experience .quiet-link{margin-top:8px;font-size:12px;gap:18px}
.profile-workshops{display:grid;grid-template-columns:1fr 1fr;gap:72px}
.profile-workshops article{padding:28px 0 0;border-top:1px solid var(--line)}
.profile-workshops h3{font-size:28px;line-height:1.25;margin:16px 0 10px;letter-spacing:-.025em}
.profile-workshops .profile-date{margin-bottom:18px}
.profile-workshops article>p:not(.eyebrow):not(.profile-date){font-size:15px;line-height:1.8;max-width:58ch}
.profile-workshops .text-link{margin-top:18px;font-size:13px}
.profile-skills{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:50px}
.profile-skills dt{font-size:20px;font-weight:500;line-height:1.4;margin-bottom:15px}
.profile-skills dd{font-size:15px;line-height:1.8;color:var(--muted)}
.profile-skills .profile-toolset{font-size:12px;margin-top:18px;color:var(--green);line-height:1.6}
.profile-recognition{list-style:none;padding:0;margin:0;display:grid;gap:22px}
.profile-recognition li{display:grid;grid-template-columns:1.65fr 1fr .65fr;gap:35px;align-items:baseline;font-size:15px;line-height:1.6}
.profile-recognition .profile-date{text-align:right;font-size:12px}
.profile-award-detail{color:var(--muted);font-size:13px}
.profile-beyond{display:grid;grid-template-columns:1fr 1.65fr;gap:100px;padding:50px 0 75px}
.profile-beyond h2{font-size:31px;line-height:1.25;letter-spacing:-.03em}
.profile-beyond p{font-size:16px;max-width:63ch}
.profile-contact{display:grid;grid-template-columns:1fr 1fr;gap:85px;align-items:center;padding:55px 0 75px;border-top:1px solid var(--line)}
.profile-contact h2{font-size:clamp(36px,4vw,55px);margin:21px 0 24px}
.profile-contact>div:first-child>p:last-child{font-size:15px;max-width:43ch}
.profile-contact>div:last-child{min-width:0}
.profile-email{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:clamp(17px,1.8vw,24px);letter-spacing:-.025em;min-height:58px;padding:5px 0;line-height:1.5}
.profile-email>span:first-child{min-width:0;overflow-wrap:anywhere}
.profile-email>span:last-child{flex:none}
.profile-email:hover{color:var(--green)}
.profile-contact>div:last-child>p{font-size:12px;margin-top:10px}
@media(min-width:781px) and (max-width:1100px){.profile-hero{gap:50px}.profile-facts{padding:26px}.profile-introduction h1{font-size:70px}.profile-story,.profile-section-heading,.profile-beyond{gap:55px}.profile-experience{gap:24px;grid-template-columns:.65fr 1fr 1.5fr}.profile-recognition li{gap:22px}.profile-contact{gap:40px}.profile-workshops{gap:45px}}
@media(max-width:780px){
  .profile-hero{grid-template-columns:1fr;gap:30px;padding:42px 0 46px}
  .profile-introduction h1{font-size:clamp(52px,9vw,74px);margin:18px 0 23px}
  .profile-position{font-size:32px;line-height:1.25!important;margin-bottom:20px}
  .profile-intro{font-size:16px;line-height:1.85;max-width:46ch;margin-bottom:12px}
  .profile-facts{margin-top:0;gap:23px;padding:26px;border-radius:15px}
  .profile-facts h2{font-size:23px;margin-top:11px}
  .profile-facts p{font-size:14px}
  .profile-story{grid-template-columns:1fr;gap:24px;padding:38px 0 35px}
  .profile-story h2{font-size:36px}
  .profile-story .lead{font-size:21px;line-height:1.65}
  .profile-story p:not(.lead){font-size:15px;line-height:1.85}
  .profile-story p+p{margin-top:18px}
  .profile-section{padding:36px 0 35px}
  .profile-section-heading{grid-template-columns:1fr;gap:12px;margin-bottom:28px}
  .profile-section-heading h2,.profile-beyond h2{font-size:29px}
  .profile-section-heading>p{font-size:13px}
  .profile-experience-list{gap:34px}
  .profile-experience{grid-template-columns:1fr;gap:11px}
  .profile-experience h3{font-size:21px;margin-bottom:5px}
  .profile-experience>.profile-date{padding:0}
  .profile-experience>p:last-child,.profile-experience>div:last-child>p{font-size:15px;line-height:1.85}
  .profile-workshops{grid-template-columns:1fr;gap:30px}
  .profile-workshops article{padding-top:23px}
  .profile-workshops h3{font-size:25px;margin-top:12px}
  .profile-workshops article>p:not(.eyebrow):not(.profile-date){line-height:1.85}
  .profile-skills{grid-template-columns:1fr;gap:28px}
  .profile-skills dt{font-size:21px;margin-bottom:10px}
  .profile-skills dd{font-size:15px;line-height:1.85}
  .profile-skills .profile-toolset{margin-top:12px}
  .profile-recognition{gap:25px}
  .profile-recognition li{grid-template-columns:1fr auto;gap:7px 15px;font-size:15px;line-height:1.7}
  .profile-recognition li>span:first-child{grid-column:1/-1}
  .profile-recognition .profile-date{font-size:11px}
  .profile-award-detail{font-size:12px}
  .profile-beyond{grid-template-columns:1fr;gap:18px;padding:38px 0 46px}
  .profile-beyond p{font-size:15px;line-height:1.85}
  .profile-contact{grid-template-columns:1fr;gap:30px;padding:39px 0 48px}
  .profile-contact h2{font-size:40px;margin:16px 0 19px}
  .profile-contact>div:first-child>p:last-child{font-size:15px;line-height:1.85}
  .profile-email{font-size:18px;min-height:44px;gap:12px}
}
/* Interactive product and website previews. Heavy models load only on request. */
.product-model{position:relative;width:100%;min-width:0;border-radius:14px;overflow:hidden;text-align:left}
.product-model [hidden]{display:none!important}
.model-canvas{height:480px;position:relative;width:100%;isolation:isolate}
.model-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transition:opacity .2s}
.model-canvas model-viewer{position:absolute;inset:0;width:100%;height:100%;--progress-bar-color:var(--green);opacity:0}
.model-canvas model-viewer::part(default-progress-bar){display:none}
.model-active model-viewer{opacity:1}
.model-active .model-poster{opacity:0;pointer-events:none}
.model-launch{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:2;display:flex;align-items:center;gap:10px;min-height:46px;padding:10px 19px;border:1px solid #c9d0c4;border-radius:99px;background:#fffffff2;box-shadow:0 5px 18px #26351c0b;white-space:nowrap;font-size:13px;color:var(--ink)}
.model-launch:hover{background:white;border-color:var(--green)}
.model-launch:disabled{opacity:.6;cursor:progress}
.model-active .model-launch{display:none}
.model-status{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:13px!important;line-height:1.6!important;padding:12px 20px;max-width:90%;width:max-content;border-radius:12px;background:#fafaf7ef;z-index:4;text-align:center;color:var(--ink)}
.model-tools{position:absolute;top:14px;right:14px;display:flex;align-items:center;gap:5px;padding:4px;border-radius:99px;background:#fffffff0;box-shadow:0 2px 14px #26351c0b;z-index:3}
.model-tools button{min-width:36px;min-height:36px;border-radius:99px;padding:4px 10px;font-size:20px}
.model-tools button[data-model-command="reset"]{font-size:12px}
.model-tools button:hover{background:var(--pale)}
.model-bottom{position:absolute;bottom:16px;left:14px;right:14px;display:flex;align-items:center;flex-direction:column;gap:10px;z-index:3;pointer-events:none}
.model-gesture{font-size:11px;color:var(--muted);background:#fafaf7df;border-radius:99px;padding:6px 12px}
.gesture-touch{display:none}
.product-model:fullscreen{width:100vw;height:100dvh;border-radius:0;background:var(--paper)}
.product-model:fullscreen .model-canvas{height:100dvh!important;width:100vw}
.product-model:fullscreen .model-tools{top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right))}
.product-model:fullscreen .model-bottom{bottom:max(16px,env(safe-area-inset-bottom))}
@media(pointer:coarse){.gesture-pointer{display:none}.gesture-touch{display:inline}}
.model-variants{display:flex;max-width:100%;gap:4px;background:#fffffff2;padding:4px;border-radius:99px;pointer-events:auto}
.model-variants button{min-height:38px;padding:7px 14px;font-size:11px;border-radius:99px;line-height:1.4}
.model-variants button[aria-pressed="true"]{background:var(--green);color:white}
.model-variants button:hover:not([aria-pressed="true"]){background:var(--pale)}
.model-enlarge{position:absolute;bottom:22px;right:14px;width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:#fffffff2;font-size:22px;cursor:zoom-in;z-index:2}
.model-enlarge:hover{background:var(--pale)}
.model-active .model-enlarge{display:none}
.cutout-stage:has(.product-model){padding:18px 12px}
.cutout-stage .product-model{height:100%;min-height:490px;display:flex;align-items:center}
.cutout-stage .model-canvas{height:500px}
.xisu-case-hero .cutout-stage{padding:0;min-height:530px}
.xisu-case-hero .model-canvas{height:530px}
.embedded-model{background:#e9ece4}
.embedded-model .model-canvas{height:440px}
.dialysis-viewer .embedded-model{background:white}
.dialysis-feature>.product-model{margin-top:30px}
.dialysis-feature .model-canvas,.dialysis-family .model-canvas{height:560px}
.browser-scroll{aspect-ratio:1.68;overflow:hidden;scrollbar-width:thin;scrollbar-color:#a5b29b transparent}
.browser-scroll>img{width:100%;height:auto;max-height:none;aspect-ratio:auto}
.phone-scroll{aspect-ratio:390/780;overflow:hidden;scrollbar-width:none}
.phone-scroll>img{width:100%;height:auto;aspect-ratio:auto;object-fit:initial}
.screen-interactive .browser-scroll,.screen-interactive .phone-scroll{overflow-y:auto;overscroll-behavior:contain}
.screen-pair{padding-bottom:58px}
.screen-pair .mobile-screen{bottom:28px}
.screen-toggle{position:absolute;top:9px;right:100px;border:1px solid #b9c6b1;background:#ffffffe8;border-radius:99px;min-height:36px;padding:7px 16px;font-size:11px;z-index:2}
.screen-toggle:hover,.screen-toggle[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:white}
.screen-help{position:absolute;bottom:0;left:0;font-size:11px;line-height:1.5;color:var(--muted)}
.case-screen-pair{padding-bottom:80px}
.case-screen-pair .screen-toggle{top:18px;right:65px}
.case-screen-pair .screen-help{left:65px;bottom:20px}
.case-screen-pair .mobile-screen{bottom:45px}
.web-preview{min-height:0}
.scroll-preview-shell{width:100%;min-width:0;background:white;box-shadow:0 15px 40px #26371b0d;border:1px solid #cbd4c5;border-radius:14px;overflow:hidden;transition:width .2s}
.preview-browser-bar{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:0 12px 0 18px;background:#f9faf6;border-bottom:1px solid #e3e8df}
.preview-address{font-size:11px;color:var(--muted)}
.preview-expand{min-width:40px;min-height:40px;font-size:20px;border-radius:50%}
.preview-expand:hover{background:var(--pale)}
.scroll-preview{height:560px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#a5b29b transparent;outline-offset:-3px}
.scroll-preview>img,.web-explorer[data-device="mobile"] .scroll-preview img{display:block;width:100%;height:auto;max-height:none;object-fit:initial;aspect-ratio:auto}
.preview-scroll-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 14px;border-top:1px solid #e3e8df;background:#f9faf6;font-size:11px;color:var(--muted)}
.preview-scroll-tools button{min-height:36px;padding:4px 8px;font-size:11px;color:var(--ink)}
.preview-scroll-tools button:hover{text-decoration:underline;text-underline-offset:4px}
.web-explorer[data-device="mobile"] .scroll-preview-shell{width:min(340px,100%);border-radius:22px}
.web-explorer[data-device="mobile"] .scroll-preview{height:600px}
@media(max-width:1100px){.embedded-model .model-canvas{height:360px}.cutout-stage .model-canvas{height:460px}.cutout-stage .product-model{min-height:460px}}
@media(max-width:780px){
  .cutout-stage:has(.product-model){padding:0 6px;height:335px}
  .cutout-stage .product-model{min-height:0;height:335px}
  .cutout-stage .model-canvas{height:335px}
  .xisu-case-hero .cutout-stage,.xisu-case-hero .product-model,.xisu-case-hero .model-canvas{height:405px;min-height:0}
  .model-launch{min-height:42px;bottom:16px;padding:9px 14px;font-size:12px}
  .model-canvas,.dialysis-feature .model-canvas,.dialysis-family .model-canvas{height:390px}
  .embedded-model .model-canvas{height:350px}
  .model-tools{top:10px;right:8px;gap:0;padding:3px}
  .model-tools button{min-width:34px;min-height:34px;padding:4px 9px}
  .model-tools button[data-model-command="reset"]{font-size:11px}
  .model-bottom{left:8px;right:8px;bottom:10px;gap:5px}
  .model-variants{gap:1px;padding:3px}
  .model-variants button{min-height:36px;font-size:10px;padding:6px 9px}
  .model-gesture{font-size:10px;padding:5px 9px}
  .screen-pair{padding-bottom:48px;padding-top:49px}
  .screen-pair .mobile-screen{bottom:25px}
  .screen-toggle{top:5px;right:0;font-size:10px;min-height:34px;padding:6px 12px}
  .screen-help{font-size:10px}
  .case-screen-pair{padding-bottom:55px;padding-top:55px}
  .case-screen-pair .screen-toggle{top:11px;right:20px}
  .case-screen-pair .screen-help{left:20px;right:15px;bottom:14px;font-size:10px}
  .case-screen-pair .mobile-screen{bottom:32px}
  .scroll-preview,.web-explorer[data-device="mobile"] .scroll-preview{height:460px}
  .preview-browser-bar{min-height:40px;padding-left:12px}
  .preview-address{font-size:10px}
  .preview-scroll-tools{font-size:10px;padding-inline:8px}
  .preview-scroll-tools button{font-size:10px}
}
/* Review iteration: roles first, quiet case headers and deliberate disclosure. */
.home-graduation{font-size:12px!important;margin-top:9px;color:var(--green)}
.intro-note .home-graduation{margin-bottom:5px}
.compact-case-hero{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:55px;padding:38px 0 45px;text-align:left}
.compact-case-hero h1{font-size:clamp(35px,3.3vw,48px);line-height:1.12;letter-spacing:-.04em;margin:16px 0 18px}
.compact-case-hero .lead{font-size:18px;line-height:1.65;max-width:46ch}
.compact-case-hero .metadata{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;margin-top:24px}
.compact-case-hero .metadata>div:first-child{grid-column:1/-1}
.compact-case-hero .metadata dt{font-size:12px;margin-bottom:6px;line-height:1.5}
.compact-case-hero .metadata dd{font-size:14px;line-height:1.6}
.case-hero-copy{min-width:0}
.case-hero-visual{min-width:0;background:#edf0e8;border-radius:18px;overflow:hidden}
.compact-case-hero .product-model{height:auto;min-height:0}
.compact-case-hero .case-brief{grid-template-columns:1.3fr 1fr;gap:22px;padding:19px 0 0;margin-top:23px;border-top:1px solid var(--line)}
.compact-case-hero .case-brief h2{font-size:12px;margin-bottom:8px}
.compact-case-hero .case-brief p,html[lang="zh-CN"] .compact-case-hero .case-brief p{font-size:14px;line-height:1.7;max-width:35ch}
.compact-case-hero .brief-outputs li{font-size:12px;line-height:1.65}
.compact-case-hero .model-canvas,.compact-case-hero .dialysis-family .model-canvas{height:460px}
.compact-case-hero .dialysis-family{margin:0}
.compact-case-hero.bioby-case-hero .case-hero-visual{padding:18px;background:#e4ecdf}
.compact-case-hero .case-screen-pair{margin:0;padding:58px 53px 53px 0;border-radius:0;overflow:visible}
.compact-case-hero .case-screen-pair .screen-toggle{right:0;top:4px}
.compact-case-hero .case-screen-pair .capture-label{left:0;top:19px;max-width:55%}
.compact-case-hero .case-screen-pair .screen-help{left:0;bottom:0;font-size:11px}
.compact-case-hero .case-screen-pair .mobile-screen{width:24%;right:0;bottom:29px}
.chapter{padding-top:72px;padding-bottom:72px}
.chapter .section-heading{margin-bottom:34px}
.chapter .section-heading h2{font-size:clamp(32px,3.3vw,48px);margin-top:17px}
.chapter .section-intro{font-size:18px;margin-top:22px}
.decision-evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.decision-evidence{min-width:0}
.decision-evidence .image-button{background:#f0f2ec}
.decision-evidence .image-button img{height:285px;object-fit:contain}
.decision-evidence h3{font-size:26px;line-height:1.35;margin:24px 0 20px}
.decision-evidence dl{display:grid;gap:16px}
.decision-evidence dl>div{display:grid;grid-template-columns:104px 1fr;gap:18px}
.decision-evidence dt{font-size:12px;line-height:1.7;color:var(--green)}
.decision-evidence dd{font-size:15px;line-height:1.75;color:var(--muted)}
.decision-evidence .text-link{font-size:13px;margin-top:16px}
.project-contact{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:28px 0}
.project-contact p{font-size:15px}
.project-contact>div{display:flex;gap:28px;flex:none}
.project-contact a{font-size:14px;min-height:44px;display:inline-flex;align-items:center;border-bottom:1px solid var(--ink)}
.profile-more{margin-top:6px}
.profile-more summary{margin-left:0;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:14px;min-height:48px;color:var(--green)}
.profile-more summary::after{content:"+";font-size:23px}
.profile-more[open] summary::after{content:"−"}
.profile-more .profile-experience{margin-top:28px}
.recognition-more{margin-top:20px}
.recognition-more .profile-recognition{margin-top:20px}
.profile-cv{margin-left:26px}
.profile-hero{padding-top:56px;padding-bottom:55px;gap:72px}
.profile-section{padding-top:36px;padding-bottom:38px}
.profile-story{padding-top:40px;padding-bottom:48px}
.profile-facts{padding:26px 29px;gap:21px}
.profile-beyond{padding-top:32px;padding-bottom:42px}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start}
.footer-inner>div:first-child>p{font-size:13px;margin-top:10px}
.footer-contact{min-width:0;text-align:right}
.footer-email{font-size:15px;line-height:1.6;overflow-wrap:anywhere;display:inline-flex;min-height:44px;align-items:center}
.footer-contact>div{display:flex;justify-content:flex-end;gap:24px}
.footer-contact button,.footer-contact>div>a{display:inline-flex;align-items:center;min-height:44px;padding:0;font-size:12px;color:var(--muted)}
.footer-contact a:hover,.footer-contact button:hover{color:var(--green)}
.mobile-nav-toggle{display:none}
.capture-label{position:absolute;left:0;top:20px;font-size:11px;color:var(--muted)}
.case-screen-pair>.capture-label{left:65px;top:31px}
.screen-toggle{min-height:44px;min-width:100px;font-size:12px;top:0}
.screen-interactive .browser-scroll,.screen-interactive .phone-scroll,.scroll-preview{overscroll-behavior:auto}
.model-size{font-size:11px;color:var(--muted);padding-left:9px;border-left:1px solid var(--line)}
.model-loading{position:absolute;z-index:8;left:50%;top:50%;transform:translate(-50%,-50%);width:min(270px,85%);padding:20px;background:#fffffff0;border:1px solid var(--line);border-radius:15px;box-shadow:0 6px 30px #20302112;text-align:center}
.model-loading .model-status{position:static;transform:none;margin:0;padding:0;width:auto;max-width:none;background:none;font-size:13px!important}
.model-progress{display:block;width:100%;height:5px;margin:17px 0 8px;accent-color:var(--green)}
.model-loading [data-model-cancel]{min-height:44px;padding:7px 15px;font-size:13px;color:var(--green)}
.model-canvas model-viewer[data-model-pending]{opacity:0}
.model-tools button{min-width:44px;min-height:44px}
.model-variants button{min-height:44px;font-size:12px}
.model-launch{min-height:44px}
@media(min-width:781px) and (max-width:1100px){.compact-case-hero{gap:32px}.compact-case-hero .model-canvas,.compact-case-hero .dialysis-family .model-canvas{height:420px}.compact-case-hero .metadata dd{font-size:13px}.compact-case-hero .case-brief{grid-template-columns:1fr}.decision-evidence dl>div{grid-template-columns:1fr;gap:5px}.profile-hero{gap:45px}}
@media(max-width:780px){
  .compact-case-hero{grid-template-columns:1fr;gap:28px;padding:30px 0 35px}
  .compact-case-hero h1{font-size:35px;line-height:1.2;margin:13px 0 17px}
  .compact-case-hero .lead{font-size:17px;line-height:1.75}
  .compact-case-hero .metadata{margin-top:21px;gap:16px}
  .compact-case-hero .metadata>div{min-width:0}
  .compact-case-hero .metadata dt{font-size:12px}
  .compact-case-hero .metadata dd{font-size:14px}
  .compact-case-hero .case-brief{grid-template-columns:1.2fr 1fr;gap:20px;margin-top:20px;padding-top:18px}
  .compact-case-hero .case-brief h2{font-size:12px}
  .compact-case-hero .brief-outputs ul{display:grid;gap:7px}
  .compact-case-hero .brief-outputs li{font-size:12px}
  .compact-case-hero .model-canvas,.compact-case-hero .dialysis-family .model-canvas{height:360px}
  .compact-case-hero.bioby-case-hero .case-hero-visual{padding:16px}
  .compact-case-hero .case-screen-pair{padding-right:43px;padding-top:58px;padding-bottom:49px}
  .compact-case-hero .case-screen-pair .screen-help{font-size:11px;line-height:1.6}
  .capture-label{font-size:11px;top:18px;max-width:55%}
  .screen-toggle{min-height:44px;font-size:11px;top:0}
  .case-screen-pair>.capture-label{left:20px;top:25px}
  .chapter{padding-top:48px;padding-bottom:48px}
  .chapter .section-heading h2{font-size:34px}
  .chapter .section-intro{font-size:16px}
  .decision-evidence-grid{grid-template-columns:1fr;gap:38px}
  .decision-evidence .image-button img{height:245px}
  .decision-evidence h3{font-size:25px;margin-top:19px;margin-bottom:18px}
  .decision-evidence dl>div{grid-template-columns:1fr;gap:5px}
  .decision-evidence dt{font-size:12px}
  .decision-evidence dd{font-size:15px;line-height:1.8}
  .project-contact{align-items:flex-start;flex-direction:column;gap:9px;padding:24px 0}
  .project-contact p{font-size:14px}
  .project-contact a{font-size:13px}
  .profile-hero{padding-top:36px;padding-bottom:35px;gap:25px}
  .profile-story{padding:30px 0}
  .profile-section{padding:28px 0}
  .profile-section-heading{margin-bottom:23px}
  .profile-beyond{padding:28px 0 36px}
  .profile-cv{margin-left:22px}
  .footer-inner{grid-template-columns:1fr;gap:20px}
  .footer-contact{text-align:left}
  .footer-contact>div{justify-content:flex-start;gap:24px}
  .footer-contact button,.footer-contact>div>a{font-size:13px}
  .footer-email{font-size:15px}
  .model-tools button{min-width:42px;min-height:44px;padding:4px 8px}
  .model-variants button{min-height:44px;font-size:11px;padding:7px 9px}
  .model-enlarge{width:44px;height:44px}
  .share-project{width:44px;height:44px}
  .chapter-select{min-height:44px;font-size:12px}
  .figcaption,.small-note,figcaption{font-size:12px}
}
@media(max-width:600px){
  .compact-case-hero{gap:0}
  .compact-case-hero .case-hero-copy{display:contents}
  .compact-case-hero .case-hero-copy>.eyebrow{order:1}
  .compact-case-hero h1{order:2}
  .compact-case-hero .lead{order:3}
  .compact-case-hero .case-hero-visual{order:4;margin:24px 0}
  .compact-case-hero .model-canvas,.compact-case-hero .dialysis-family .model-canvas{height:260px}
  .compact-case-hero .model-active .model-canvas{height:360px}
  .compact-case-hero .metadata{order:5;margin-top:0}
  .compact-case-hero .case-brief{order:6}
  .mobile-nav-toggle{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:48px;font-size:13px;padding:0 6px}
  .header-actions{gap:10px}
  .language-switch{border:0;padding-left:0}
  .language-switch button{min-width:32px}
  .header-inner nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);padding:14px 20px 22px;border-bottom:1px solid var(--line);box-shadow:0 14px 20px #2023200b}
  .menu-open .header-inner nav{display:grid;gap:2px}
  .header-inner nav a{font-size:16px;min-height:48px;line-height:48px}
  .header-inner nav a[aria-current]::after{width:25px;right:auto;bottom:4px}
}
@media(max-width:360px){.compact-case-hero .case-brief{grid-template-columns:1fr}.compact-case-hero h1{font-size:32px}.model-tools{right:5px;padding:2px}.model-tools button{min-width:38px}.chapter-select{max-width:118px}.share-project{width:40px;min-width:40px}}
@media print{#header,.case-nav,#footer,.skip,.enlarge,.next-project,#site-status,.model-launch,.model-tools,.model-bottom,.screen-toggle,.screen-help,.project-contact{display:none}.wrap{width:100%}.chapter{break-inside:avoid;padding:30px 0}.home-project{break-inside:avoid}.dark-chapter{background:#fff;color:#202320}.dark-chapter p{color:#626861}}