:root{
  --ink:#f4fdff;
  --muted:rgba(222,243,247,.68);
  --faint:rgba(218,245,249,.4);
  --line:rgba(218,248,251,.2);
  --line-strong:rgba(218,248,251,.42);
  --deep:#020c14;
  --panel:rgba(3,27,40,.68);
  --accent:#ff7467;
  --display:-apple-system,BlinkMacSystemFont,"Avenir Next","Helvetica Neue","Segoe UI",Arial,sans-serif;
  --ui:"Avenir Next","Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,monospace;
  --ease:cubic-bezier(.22,.72,.18,1);
}
*{box-sizing:border-box}
html{overflow-x:hidden;scroll-behavior:smooth;scroll-padding-top:96px;background:var(--deep)}
body{min-width:320px;margin:0;overflow-x:hidden;color:var(--ink);background:var(--deep);font-family:var(--ui);-webkit-font-smoothing:antialiased}
a,button{color:inherit;font:inherit}
a{text-decoration:none}
button{border:0}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.ocean{position:fixed;z-index:0;inset:0;overflow:hidden;pointer-events:none;background:radial-gradient(ellipse at 78% -10%,rgba(180,249,247,.56),rgba(69,176,194,.22) 25%,transparent 54%),radial-gradient(ellipse at 10% 58%,rgba(5,57,78,.72),transparent 58%),linear-gradient(145deg,#020a11,#062739 47%,#0b5068)}
.ocean:before,.ocean:after{content:"";position:absolute;inset:-12%;mix-blend-mode:screen}
.ocean:before{opacity:.2;background:repeating-radial-gradient(ellipse at 72% -18%,transparent 0 7%,rgba(203,255,252,.1) 7.25%,transparent 7.7% 13%);filter:blur(6px);animation:caustic 15s ease-in-out infinite alternate}
.ocean:after{background:linear-gradient(180deg,rgba(0,7,13,.38),transparent 22% 72%,rgba(0,7,12,.75)),radial-gradient(circle,transparent 50%,rgba(0,6,11,.38));opacity:.92}
.bubble-layer{position:fixed;z-index:30;inset:0;overflow:hidden;pointer-events:none}
.bubble{position:absolute;left:var(--x);top:var(--y);width:var(--size);height:var(--size);border:1px solid rgba(220,255,253,.72);border-radius:50%;background:radial-gradient(circle at 31% 28%,rgba(255,255,255,.72) 0 7%,rgba(186,245,245,.12) 24%,transparent 66%);opacity:0;animation:bubbleRise var(--duration) var(--ease) forwards}
.site-header{position:fixed;z-index:40;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;width:100%;min-height:70px;border-bottom:1px solid rgba(221,249,252,.12);padding:14px clamp(24px,4vw,72px);background:linear-gradient(180deg,rgba(1,13,21,.78),rgba(1,13,21,.18));backdrop-filter:blur(14px)}
.brand{justify-self:start;font-size:18px;font-weight:700;letter-spacing:.13em}
.site-nav{display:flex;align-items:center;gap:clamp(24px,4vw,58px)}
.site-nav a{position:relative;padding:12px 0;color:var(--faint);font-family:var(--mono);font-size:9px;letter-spacing:.17em}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--ink)}
.site-nav a[aria-current="page"]:after{content:"";position:absolute;right:0;bottom:5px;left:0;height:1px;background:var(--accent)}
.header-meta{justify-self:end;color:var(--faint);font-family:var(--mono);font-size:8px;letter-spacing:.15em}
.mobile-menu{display:none}
.mobile-panel{position:fixed;z-index:39;top:62px;right:16px;display:grid;width:180px;border:1px solid var(--line-strong);padding:10px 18px;background:rgba(2,20,31,.96);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.25s var(--ease)}
.mobile-panel.open{opacity:1;visibility:visible;transform:none}
.mobile-panel a{min-height:44px;border-bottom:1px solid var(--line);padding:15px 0;font-family:var(--mono);font-size:9px;letter-spacing:.12em}.mobile-panel a:last-child{border-bottom:0}
main,.site-footer{position:relative;z-index:2}
.wrap{width:min(1240px,88vw);margin-inline:auto}
.work-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.65fr);align-items:center;min-height:82dvh;padding-top:96px}
.eyebrow{margin:0 0 22px;color:var(--accent);font-family:var(--mono);font-size:9px;letter-spacing:.16em}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:var(--display);font-weight:500;letter-spacing:-.035em;text-wrap:balance}
h1{max-width:9ch;margin-bottom:26px;font-size:clamp(64px,7.6vw,118px);line-height:.88}
.hero-copy>p:not(.eyebrow){max-width:35em;margin-bottom:32px;color:var(--muted);font-size:clamp(15px,1.25vw,18px);line-height:1.65}
.hero-actions{display:flex;align-items:center;gap:22px}
.primary-link,.text-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;font-family:var(--mono);font-size:9px;letter-spacing:.13em;white-space:nowrap}
.primary-link{border:1px solid var(--accent);padding:12px 20px;background:var(--accent);color:#07131a;font-weight:700}
.primary-link:hover{background:#ff8b80}
.primary-link:active,.text-link:active{scale:.98}
.text-link{border-bottom:1px solid var(--line-strong);padding:10px 0}
.hero-figure{position:relative;justify-self:end;width:min(40vw,560px);pointer-events:auto;transition:scale .4s var(--ease),filter .4s var(--ease)}
.hero-figure img{display:block;width:100%;height:auto;filter:drop-shadow(0 30px 55px rgba(0,8,18,.45));animation:figureFloat 6s ease-in-out infinite alternate}
.hero-figure:hover{scale:1.025;filter:brightness(1.07)}
.depth-scale{position:absolute;right:-22px;top:18%;bottom:18%;width:46px;border-right:1px solid var(--line)}
.depth-scale span{position:absolute;right:-1px;display:block;width:8px;height:8px;border:1px solid var(--line-strong);border-radius:50%;background:#073047}
.depth-scale span:nth-child(1){top:0}.depth-scale span:nth-child(2){top:48%}.depth-scale span:nth-child(3){bottom:0}
.depth-scale span:nth-child(2){background:var(--accent);border-color:var(--accent)}
.work-index{padding:8vh 0 14vh}
.section-head{display:grid;grid-template-columns:minmax(0,.7fr) minmax(280px,.3fr);align-items:end;gap:50px;margin-bottom:44px}
.section-head h2{max-width:8ch;margin-bottom:0;font-size:clamp(48px,5.4vw,82px);line-height:.92}
.section-head p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.filters{position:sticky;z-index:14;top:70px;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;padding:12px 0;background:linear-gradient(90deg,rgba(3,24,36,.94),rgba(8,62,78,.8));backdrop-filter:blur(12px)}
.filter{min-height:38px;border:1px solid var(--line);padding:9px 14px;background:rgba(2,22,33,.28);color:var(--faint);cursor:pointer;font-family:var(--mono);font-size:8px;letter-spacing:.12em}
.filter:hover,.filter[aria-pressed="true"]{border-color:var(--accent);color:var(--ink);background:rgba(255,116,103,.1)}
.cases{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:18px}
.case{position:relative;min-width:0;border:1px solid var(--line);background:linear-gradient(145deg,rgba(2,23,35,.78),rgba(6,47,62,.42));overflow:hidden;transition:border-color .35s,transform .35s var(--ease),opacity .3s}
.case:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.case[hidden]{display:none}
.case-featured{grid-row:span 2;min-height:540px}
.case-copy{position:relative;z-index:3;padding:clamp(28px,4vw,56px)}
.case-type{margin-bottom:18px;color:var(--accent);font-family:var(--mono);font-size:8px;letter-spacing:.14em}
.case h3{max-width:12ch;margin-bottom:18px;font-size:clamp(34px,4vw,62px);line-height:.94}
.case:not(.case-featured) h3{font-size:clamp(28px,2.7vw,42px)}
.case-summary{max-width:33em;color:var(--muted);font-size:14px;line-height:1.62}
.case-meta{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin:26px 0 0;color:var(--faint);font-family:var(--mono);font-size:8px;line-height:1.5;letter-spacing:.08em}
.case-meta strong{color:var(--ink);font-weight:500}
.case-open{position:absolute;z-index:5;right:28px;bottom:26px;border-bottom:1px solid var(--line-strong);padding:8px 0;font-family:var(--mono);font-size:8px;letter-spacing:.12em}
.system-map{position:absolute;right:72px;bottom:86px;left:56px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(22px,3vw,52px);opacity:.76}
.flow-node{position:relative;min-width:0;border:1px solid var(--line-strong);padding:12px 9px;background:rgba(3,26,39,.74);font-family:var(--mono);font-size:8px;letter-spacing:.08em;text-align:center}
.flow-node:after{content:"";position:absolute;top:50%;left:100%;width:clamp(22px,3vw,52px);height:1px;background:var(--line-strong)}
.flow-node:last-child:after{display:none}
.flow-node:last-child{border-color:var(--accent)}
.case-figure{position:absolute;right:-22%;bottom:-13%;width:72%;opacity:.34;filter:drop-shadow(0 30px 50px rgba(0,8,18,.4));transform:scaleX(-1);transform-origin:center}
.case-note{position:absolute;right:22px;bottom:22px;color:var(--faint);font-family:var(--mono);font-size:8px;letter-spacing:.1em}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.site-footer{border-top:1px solid var(--line);padding:32px 0 38px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;color:var(--faint);font-family:var(--mono);font-size:8px;letter-spacing:.11em}
.footer-links{display:flex;gap:24px}.footer-links a:hover{color:var(--ink)}

/* Detail page */
.case-hero{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.55fr);align-items:center;min-height:clamp(680px,78dvh,900px);padding-top:100px}
.case-hero-copy{min-width:0}
.case-hero h1{max-width:13ch;font-size:clamp(58px,6.4vw,100px)}
.case-lead{max-width:39em;color:var(--muted);font-size:clamp(15px,1.15vw,18px);line-height:1.7}
.case-hero-figure{justify-self:end;width:min(36vw,500px)}
.case-hero-figure img{display:block;width:100%;filter:drop-shadow(0 30px 60px rgba(0,8,18,.44));animation:figureFloat 6.4s ease-in-out infinite alternate}
.case-hero-figure figcaption{margin-top:-18px;color:var(--faint);font-family:var(--mono);font-size:8px;letter-spacing:.12em;text-align:right}
.case-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:34px;border:1px solid var(--line);background:var(--line)}
.fact{min-height:86px;padding:18px;background:rgba(2,23,35,.9)}
.fact span{display:block;margin-bottom:8px;color:var(--accent);font-family:var(--mono);font-size:8px;letter-spacing:.11em}
.fact strong{font-size:12px;font-weight:500;line-height:1.35}
.case-body{display:grid;grid-template-columns:170px minmax(0,1fr);justify-content:center;gap:clamp(48px,6vw,84px);padding:7vh 0 12vh}
.case-toc{position:sticky;top:104px;align-self:start}
.case-toc p{margin-bottom:14px;color:var(--faint);font-family:var(--mono);font-size:8px;letter-spacing:.12em}
.case-toc a{display:block;border-left:1px solid var(--line);padding:10px 0 10px 16px;color:var(--faint);font-size:12px}
.case-toc a:hover,.case-toc a.active{border-color:var(--accent);color:var(--ink)}
.case-content section{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));align-items:start;column-gap:clamp(28px,4vw,52px);border-top:1px solid var(--line);padding:54px 0 72px}
.case-content section:first-child{border-top:0}
.case-content .section-number{grid-column:1/6}
.case-content h2{grid-column:1/6;max-width:none;margin-bottom:24px;font-size:clamp(38px,3.6vw,58px);line-height:.98}
.case-content section>:not(.section-number):not(h2){grid-column:6/-1}
.case-content h3{margin:36px 0 14px;font-size:27px;letter-spacing:-.035em}
.case-content p{max-width:62ch;color:var(--muted);font-size:15px;line-height:1.72}
.case-content strong{color:var(--ink);font-weight:600}
.section-number{margin-bottom:16px!important;color:var(--accent)!important;font-family:var(--mono);font-size:8px!important;letter-spacing:.12em}
.section-intro{margin-bottom:26px}
.evidence-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:30px;border:1px solid var(--line);background:var(--line)}
.evidence-grid div{min-height:150px;padding:22px;background:rgba(2,23,35,.9)}
.evidence-grid div:last-child{grid-column:span 2}
.evidence-grid span{display:block;margin-bottom:20px;color:var(--accent);font-family:var(--mono);font-size:8px}
.evidence-grid strong{font-family:var(--mono);font-size:9px;letter-spacing:.09em}
.evidence-grid p{margin:10px 0 0;font-size:13px;line-height:1.5}
.pull-line{margin:34px 0;border-left:2px solid var(--accent);padding:6px 0 6px 24px;color:var(--ink);font-family:var(--display);font-size:clamp(25px,2.5vw,36px);line-height:1.12}
.process{display:grid;grid-template-columns:repeat(3,1fr);margin-top:8px;border:1px solid var(--line)}
.process div{position:relative;min-height:112px;border-right:1px solid var(--line);padding:18px 12px;background:rgba(3,27,40,.52)}
.process div:nth-child(3n){border-right:0}.process div:nth-child(-n+3){border-bottom:1px solid var(--line)}
.process span{display:block;margin-bottom:12px;color:var(--accent);font-family:var(--mono);font-size:8px;letter-spacing:.08em}
.process strong{font-size:11px;line-height:1.35}
.boundary{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:34px;border:1px solid var(--line);background:var(--line)}
.boundary article{min-height:240px;padding:28px;background:rgba(2,23,35,.9)}
.boundary h3{margin:0 0 22px;color:var(--accent);font-family:var(--mono);font-size:9px;letter-spacing:.12em}
.boundary ul{margin:0;padding:0;list-style:none}
.boundary li{margin-bottom:15px;color:var(--muted);font-size:14px;line-height:1.5}
.boundary li:before{content:"+";margin-right:10px;color:var(--accent);font-family:var(--mono)}
.outcomes{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}
.outcome{min-height:170px;border:1px solid var(--line);padding:24px;background:rgba(3,27,40,.46)}
.outcome span{display:block;margin-bottom:18px;color:var(--accent);font-family:var(--mono);font-size:8px;letter-spacing:.1em}
.outcome h3{margin:0 0 12px;font-size:25px}.outcome p{margin:0;font-size:13px;line-height:1.55}
.truth-note{border:1px solid var(--line);padding:18px 20px;color:var(--faint);font-family:var(--mono);font-size:9px;line-height:1.6;letter-spacing:.04em}
.truth-note span{display:block;margin-bottom:8px;color:var(--accent);font-size:8px;letter-spacing:.1em}.truth-note p{margin:0;font-size:11px;line-height:1.6}
.next-case{display:grid;grid-template-columns:1fr 1.4fr auto;align-items:end;gap:28px;border-top:1px solid var(--line);padding:58px 0 20px}
.next-case h2{max-width:10ch;margin:0;font-size:clamp(42px,5vw,70px);line-height:.94}

@keyframes caustic{from{transform:translate3d(-2%,-2%,0) scale(.98) rotate(-1deg)}to{transform:translate3d(3%,2%,0) scale(1.05) rotate(1deg)}}
@keyframes figureFloat{from{transform:translate3d(-3px,-10px,0) rotate(-.5deg)}to{transform:translate3d(4px,12px,0) rotate(.7deg)}}
@keyframes bubbleRise{0%{opacity:0;transform:translate3d(-50%,-50%,0) scale(.5)}12%{opacity:.9}75%{opacity:.66}100%{opacity:0;transform:translate3d(calc(-50% + var(--dx)),-170px,0) scale(var(--scale))}}

@media(max-width:900px){
  .work-hero,.case-hero{grid-template-columns:1fr;min-height:auto;padding-top:130px}
  .hero-figure,.case-hero-figure{position:relative;justify-self:end;width:min(66vw,520px);margin-top:-80px;opacity:.72}
  .section-head{grid-template-columns:1fr;gap:20px}
  .cases{grid-template-columns:1fr}.case-featured{grid-row:auto;min-height:600px}.case:not(.case-featured){min-height:350px}
  .case-body{grid-template-columns:1fr}.case-toc{position:relative;top:0;display:flex;flex-wrap:wrap;gap:8px}.case-toc p{width:100%}.case-toc a{border:1px solid var(--line);padding:9px 12px}
  .case-content section{display:block}.case-content h2{max-width:13ch}
  .next-case{grid-template-columns:1fr auto}
  .next-case>p{grid-column:1/-1}
}
@media(max-width:680px){
  .site-header{grid-template-columns:1fr auto;min-height:62px;padding:12px 20px}.brand{font-size:15px}.site-nav,.header-meta{display:none}.mobile-menu{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);background:rgba(2,21,32,.7);font-family:var(--mono);font-size:8px;letter-spacing:.08em}
  .wrap{width:calc(100% - 40px)}
  h1,h2,h3{font-family:var(--ui);font-weight:500;letter-spacing:-.038em;text-wrap:pretty}
  .work-hero{padding-top:112px}.work-hero h1{max-width:11ch;font-size:clamp(44px,11.8vw,52px);line-height:.98}.hero-copy>p:not(.eyebrow){font-size:14px;line-height:1.58}.hero-actions{gap:16px}
  .hero-figure{width:76vw;margin-top:8px;transform:translateX(5%);opacity:.82}.depth-scale{right:8px}
  .work-index{padding-top:4vh}.section-head h2{max-width:11ch;font-size:40px;line-height:1}.filters{top:62px;gap:7px;margin-inline:-20px;padding:10px 20px}.filter{padding:8px 10px}
  .case{min-height:310px}.case.case-featured{min-height:0}.case-copy{padding:25px}.case h3{font-size:34px;line-height:1}.case:not(.case-featured) h3{font-size:28px}.case-open{right:22px;bottom:20px}.system-map{position:relative;right:auto;bottom:auto;left:auto;grid-template-columns:1fr 1fr;gap:8px;margin:0 22px 72px}.flow-node:after{display:none}.case-figure{right:-18%;width:78%}
  .footer-inner{align-items:flex-start;gap:18px;flex-direction:column}.footer-links{gap:18px}
  .case-hero{grid-template-columns:minmax(0,1fr);padding-top:108px}.case-hero-copy,.case-lead,.case-facts{width:100%;max-width:100%}.case-hero h1{max-width:12ch;font-size:44px;line-height:1}.case-hero-figure{width:74vw;margin-top:6px;transform:translateX(4%);opacity:.8}.case-facts{grid-template-columns:minmax(0,1fr)}.fact{min-width:0;min-height:0}
  .case-body{padding-top:4vh}.case-toc{overflow:auto;flex-wrap:nowrap;padding-bottom:4px}.case-toc p{display:none}.case-toc a{flex:0 0 auto}
  .case-content section{padding:34px 0 46px}.case-content h2{max-width:17ch;font-size:34px;line-height:1.04}.case-content h3{font-size:22px;line-height:1.08}.case-content p{font-size:15px;line-height:1.62}.pull-line{font-family:var(--ui);font-size:24px;line-height:1.2}
  .process{grid-template-columns:1fr 1fr}.process div{min-height:94px}.process div:nth-child(3){border-right:1px solid var(--line)}.process div:nth-child(even){border-right:0}.process div:nth-child(-n+4){border-bottom:1px solid var(--line)}
  .evidence-grid{grid-template-columns:1fr}.evidence-grid div:last-child{grid-column:auto}.boundary,.outcomes{grid-template-columns:1fr}.boundary article{min-height:0}.outcome h3{font-size:21px}.truth-note{padding:16px 18px;font-family:var(--ui);font-size:13px;line-height:1.55;letter-spacing:0}.truth-note span{font-family:var(--mono);font-size:8px;letter-spacing:.1em}.truth-note p{font-size:13px;line-height:1.55;letter-spacing:0}.next-case{display:flex;align-items:flex-start;flex-direction:column}.next-case h2{max-width:16ch;font-size:36px;line-height:1.02}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

.header-tools{justify-self:end;display:flex;align-items:center;gap:18px}.language-switch{display:flex;align-items:center;border:1px solid var(--line);padding:3px}.language-switch a,.language-switch span{min-width:38px;padding:7px 9px;color:var(--faint);font-family:var(--mono);font-size:8px;letter-spacing:.08em;text-align:center}.language-switch a:hover,.language-switch a[aria-current="page"]{background:rgba(255,116,103,.12);color:var(--ink)}.language-switch span[aria-disabled="true"]{cursor:not-allowed;opacity:.36}
@media(max-width:680px){.site-header{grid-template-columns:1fr auto auto}.header-tools{margin-right:8px}.header-meta{display:none}.language-switch a,.language-switch span{min-width:34px;padding:7px 6px}}

/* Portfolio display scale: two-line heroes and readable case section headings. */
.work-hero h1{max-width:14ch;font-size:clamp(58px,6.2vw,86px);line-height:.94}
.section-head h2{max-width:12ch;font-size:clamp(42px,4.4vw,60px);line-height:1}
.case-content h2{grid-column:1/-1;max-width:24ch;font-size:clamp(32px,2.9vw,42px);line-height:1.06}
html[lang="zh-CN"] .work-hero h1,html[lang="zh-CN"] .section-head h2,html[lang="zh-CN"] .case-page h1,html[lang="zh-CN"] .case-page h2{max-width:none;font-family:var(--ui);font-weight:600;letter-spacing:-.04em;line-height:1.14}
html[lang="zh-CN"] .work-hero h1{font-size:clamp(46px,4.8vw,64px)}
html[lang="zh-CN"] .case-content h2{font-size:clamp(30px,2.5vw,38px)}
@media(max-width:680px){
  .work-hero h1{max-width:14ch;font-size:40px;line-height:1.03}
  .section-head h2{max-width:14ch;font-size:34px;line-height:1.08}
  .case-hero h1{max-width:none;font-size:36px;line-height:1.08}
  .case-content h2{max-width:none;font-size:28px;line-height:1.16}
  html[lang="zh-CN"] .work-hero h1,html[lang="zh-CN"] .section-head h2{max-width:none;font-size:32px;line-height:1.18}
  html[lang="zh-CN"] .case-content h2{max-width:none;font-size:28px;line-height:1.2}
}
@media(min-width:681px) and (max-width:900px){.case-hero h1{max-width:18ch;font-size:46px;line-height:1.02}.case-content h2{max-width:24ch}}