/* zubiaojiang.com — shared stylesheet. Tokens first, then base, then components. */

/* ---------- fonts ---------- */
@font-face{font-family:"Instrument Serif";font-style:italic;font-weight:400;font-display:swap;src:url("fonts/instrument-serif-italic-400-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Instrument Serif";font-style:italic;font-weight:400;font-display:swap;src:url("fonts/instrument-serif-italic-400-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Instrument Serif";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/instrument-serif-normal-400-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Instrument Serif";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/instrument-serif-normal-400-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("fonts/inter-normal-100-900-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("fonts/inter-normal-100-900-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* Chinese serif for display text: Source Han Serif SC, subset to the characters used on this site. */
@font-face{font-family:"Source Han Serif SC";font-style:normal;font-weight:200 900;font-display:swap;src:url("fonts/source-han-serif-sc-subset.woff2") format("woff2")}

/* ---------- tokens ---------- */
:root{
  --bg:#f7f6f3; --panel:#ffffff; --ink:#1a1917; --body:#3d3a35; --muted:#7b766e;
  --hair:#e4e1db; --hair-strong:#cfcac1;
  --accent:#b08b36; --accent-ink:#7d621f; --accent-soft:rgba(176,139,54,.12);
  --bubble:#1a1917; --bubble-ink:#ffffff;
  --serif:"Instrument Serif","Source Han Serif SC","Songti SC","Noto Serif CJK SC","Noto Serif SC",Georgia,"Times New Roman",serif;
  --sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --max:1240px; --gutter:clamp(20px,4vw,48px); --nav-h:68px;
  --shadow:0 24px 60px -24px rgba(26,25,23,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#171615; --panel:#1f1d1b; --ink:#f2efe9; --body:#cdc7bd; --muted:#8e8880;
  --hair:#2d2a27; --hair-strong:#3d3934;
  --accent:#d2ad58; --accent-ink:#dcbb6a; --accent-soft:rgba(210,173,88,.14);
  --bubble:#f2efe9; --bubble-ink:#171615;
  --shadow:0 28px 60px -24px rgba(0,0,0,.75);
  color-scheme:dark;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--nav-h) + 12px)}
body{margin:0;background:var(--bg);color:var(--body);font:400 17px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,picture,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:400;color:var(--ink);line-height:1.1}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
::selection{background:var(--accent-soft)}
[hidden]{display:none!important}

:root[data-lang="en"] .zh{display:none!important}
:root[data-lang="zh"] .en{display:none!important}
:root[data-lang="zh"] body{line-height:1.8}
:root[data-lang="zh"] .serif,:root[data-lang="zh"] h1,:root[data-lang="zh"] h2,:root[data-lang="zh"] h3,:root[data-lang="zh"] h4{font-weight:600;letter-spacing:0}

.serif{font-family:var(--serif)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(72px,9vw,120px) 0}
.sec-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px clamp(24px,4vw,64px);align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.sec-title{font:400 clamp(40px,5vw,64px)/1 var(--serif);color:var(--ink);letter-spacing:-.01em}
.sec-lede{color:var(--muted);font-size:17px;max-width:52ch}
@media(max-width:720px){.sec-head{grid-template-columns:1fr;gap:14px}}
.sec-lede em.serif{font-size:1.25em;color:var(--ink)}
.link{color:var(--accent-ink);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 45%,transparent);text-underline-offset:.2em;transition:text-decoration-color .25s}
.link:hover{text-decoration-color:var(--accent)}
.quiet{color:var(--muted)}
.measure{max-width:62ch}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;height:var(--nav-h);display:flex;align-items:center;transition:background .35s,border-color .35s,backdrop-filter .35s;border-bottom:1px solid transparent}
.nav.solid{background:color-mix(in srgb,var(--bg) 84%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:var(--hair)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.nav-brand{font:400 24px/1 var(--serif);color:var(--ink);letter-spacing:-.01em}
.nav-links{display:flex;gap:4px 26px;align-items:center}
.nav-links a{position:relative;padding:8px 0;font-size:14.5px;color:var(--muted);transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav-links a:hover,.nav-links a[aria-current="true"]{color:var(--ink)}
.nav-links a[aria-current="true"]::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:8px}
.tbtn{font:500 13px/1 var(--sans);border:1px solid var(--hair-strong);border-radius:999px;padding:9px 13px;color:var(--ink);transition:border-color .25s,background .25s}
.tbtn:hover{border-color:var(--accent);background:var(--accent-soft)}
.menu-btn{display:none}
.menu{position:fixed;inset:0;z-index:39;background:var(--bg);padding:calc(var(--nav-h) + 24px) var(--gutter) 40px;display:none;flex-direction:column;gap:6px}
.menu.open{display:flex}
.menu a{font:400 clamp(34px,8vw,48px)/1.25 var(--serif);color:var(--ink);padding:6px 0;border-bottom:1px solid var(--hair)}
.menu a[aria-current="true"]{color:var(--accent-ink)}
@media(max-width:880px){.nav-links{display:none}.menu-btn{display:inline-block}}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;padding:calc(var(--nav-h) + 48px) 0 56px}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,96px);align-items:center;width:100%}
.hero-name{font:400 clamp(56px,8.5vw,112px)/.98 var(--serif);color:var(--ink);letter-spacing:-.02em}
:root[data-lang="zh"] .hero-name{letter-spacing:.02em;line-height:1.1}
.hero-line{margin-top:28px;font:400 clamp(26px,3.1vw,40px)/1.2 var(--serif);color:var(--ink);max-width:22ch;text-wrap:balance}
:root[data-lang="zh"] .hero-line,:root[data-lang="zh"] .hero-motto{max-width:none}
.hero-motto{margin-top:18px;font:italic 400 clamp(19px,1.8vw,24px)/1.4 var(--serif);color:var(--muted);max-width:30ch;text-wrap:balance}
:root[data-lang="zh"] .hero-motto{font-style:normal;font-weight:400}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:40px;font-size:15px;color:var(--muted)}
.hero-meta a{text-decoration:underline;text-decoration-color:transparent;text-underline-offset:.2em;transition:color .25s,text-decoration-color .25s}
.hero-meta a:hover{color:var(--ink);text-decoration-color:var(--accent)}
.hero-portrait{justify-self:end;width:min(100%,440px);position:relative}
.hero-portrait img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px;will-change:transform}
.hero-portrait figcaption{margin-top:12px;font-size:13.5px;color:var(--muted)}
.hero [data-rise]{opacity:0;transform:translateY(16px);animation:rise 1s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes rise{to{opacity:1;transform:none}}
@media(max-width:880px){
  .hero{min-height:0;padding-top:calc(var(--nav-h) + 24px)}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-portrait{justify-self:start;width:min(100%,360px);order:-1}
}

/* ---------- full-bleed photographs ---------- */
.band{position:relative;height:clamp(380px,68vh,780px);overflow:hidden;background:var(--hair);margin:0}
.band img{position:absolute;left:0;top:-10%;width:100%;height:120%;object-fit:cover;will-change:transform}
.band figcaption{position:absolute;left:var(--gutter);bottom:26px;max-width:min(90vw,40ch);color:#fff;font:italic 400 clamp(20px,2.2vw,30px)/1.3 var(--serif);text-shadow:0 2px 30px rgba(0,0,0,.55),0 0 2px rgba(0,0,0,.3)}
:root[data-lang="zh"] .band figcaption{font-style:normal;font-weight:500}
@media(max-width:720px){.band{height:58vh}}

/* ---------- featured work ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2vw,28px);perspective:1400px}
.feat{grid-column:span 6;position:relative;border-radius:10px;overflow:hidden;background:var(--panel);border:1px solid var(--hair);transform:translateY(0) rotateX(var(--rx,0)) rotateY(var(--ry,0));transition:transform .55s var(--ease),box-shadow .55s var(--ease),border-color .3s;cursor:pointer;transform-style:preserve-3d}
.feat:hover{box-shadow:var(--shadow);border-color:var(--hair-strong)}
.feat.lead{grid-column:span 12;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.feat-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dedbd4}
:root[data-theme="dark"] .feat-media{background:#2a2825}
.feat.lead .feat-media{aspect-ratio:auto;min-height:100%}
.feat-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.feat:hover .feat-media img{transform:scale(1.035)}
.feat-media.contain{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hair)}
.feat-media.contain img{object-fit:contain;background:#e9e6df;padding:8%}
:root[data-theme="dark"] .feat-media.contain img{background:#262421}
.feat-media.type{display:flex;align-items:flex-end;padding:28px;background:linear-gradient(160deg,var(--accent-soft),transparent 70%),var(--panel)}
.feat-media.type p{font:400 clamp(28px,2.6vw,38px)/1.15 var(--serif);color:var(--ink);max-width:14ch}
.feat-body{padding:26px 28px 30px}
.feat-kicker{font-size:13.5px;color:var(--muted)}
.feat-title{margin-top:8px;font:400 clamp(30px,2.8vw,40px)/1.05 var(--serif);color:var(--ink);text-wrap:balance}
.feat-line{margin-top:14px;font-size:16px;max-width:48ch}
.feat-actions{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;font-size:14.5px}
.feat-open{color:var(--accent-ink);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 45%,transparent);text-underline-offset:.2em}
.feat-open:hover{text-decoration-color:var(--accent)}
@media(max-width:880px){.feat,.feat.lead{grid-column:span 12}.feat.lead{grid-template-columns:1fr}.feat.lead .feat-media{aspect-ratio:16/10}.feat-body{padding:22px 22px 26px}}

/* ---------- more work ledger ---------- */
.more{margin-top:clamp(40px,5vw,64px);border-top:1px solid var(--hair)}
.more-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:22px 0;font:400 clamp(22px,2.2vw,28px)/1.2 var(--serif);color:var(--ink)}
.more-btn .count{font:400 15px var(--sans);color:var(--muted)}
.more-btn .chev{width:14px;height:14px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);transition:transform .35s var(--ease);margin:-6px 6px 0 14px;display:inline-block}
.more-btn[aria-expanded="true"] .chev{transform:rotate(225deg);margin-top:4px}
.more-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .6s var(--ease)}
.more-panel.open{grid-template-rows:1fr}
.more-inner{overflow:hidden}
.filters{display:flex;flex-wrap:wrap;gap:8px;padding:4px 0 10px}
.fbtn{font:500 13px/1 var(--sans);border:1px solid var(--hair-strong);border-radius:999px;padding:9px 13px;color:var(--body);transition:border-color .25s,background .25s,color .25s}
.fbtn:hover{border-color:var(--accent)}
.fbtn[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.ledger{margin:0;padding:0;list-style:none}
.row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:10px clamp(24px,4vw,64px);padding:24px 0;border-top:1px solid var(--hair)}
.row:last-child{border-bottom:1px solid var(--hair)}
.row h3{font:400 clamp(22px,2.1vw,26px)/1.15 var(--serif);color:var(--ink)}
.row .kicker{margin-top:6px;font-size:13.5px;color:var(--muted)}
.row p{font-size:15.5px}
.row-links{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:10px;font-size:14px}
@media(max-width:720px){.row{grid-template-columns:1fr}}

/* ---------- timeline ---------- */
.tl{position:relative;display:grid;grid-template-columns:150px minmax(0,1fr);column-gap:48px;padding-left:0}
.tl-rail{position:absolute;left:175px;top:6px;bottom:6px;width:1px;background:var(--hair-strong)}
.tl-fill{position:absolute;inset:0;background:var(--accent);transform-origin:top;transform:scaleY(var(--p,0))}
.tl-year{font:400 22px/1.2 var(--serif);color:var(--accent-ink);padding-top:2px;position:relative}
.tl-year::after{content:"";position:absolute;left:171px;top:12px;width:9px;height:9px;border-radius:50%;background:var(--bg);border:1.5px solid var(--hair-strong);transition:background .4s,border-color .4s}
.tl-item.in .tl-year::after{background:var(--accent);border-color:var(--accent)}
.tl-item{display:contents}
.tl-body{padding:0 0 40px}
.tl-body h3{font:400 clamp(22px,2.2vw,28px)/1.15 var(--serif);color:var(--ink)}
.tl-body p{margin-top:8px;font-size:16px;max-width:60ch}
html.js .tl-year,html.js .tl-body{opacity:.35;transition:opacity .6s var(--ease)}
.tl-item.in .tl-year,.tl-item.in .tl-body{opacity:1}
@media(max-width:720px){
  .tl{grid-template-columns:1fr;padding-left:28px;column-gap:0}
  .tl-rail{left:4px}
  .tl-year::after{left:-28px;top:9px}
  .tl-year{font-size:18px}
  .tl-body{padding:6px 0 32px}
}

/* ---------- skills + beyond ---------- */
.skills{display:grid;grid-template-columns:1fr 1fr;column-gap:clamp(32px,5vw,80px);margin:0;padding:0;list-style:none}
.skills li{padding:20px 0;border-top:1px solid var(--hair)}
.skills h3{font:400 23px/1.2 var(--serif);color:var(--ink)}
.skills p{margin-top:6px;font-size:15.5px;color:var(--body)}
@media(max-width:720px){.skills{grid-template-columns:1fr}}
.beyond{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(28px,4vw,48px) clamp(24px,3vw,40px);margin:0;padding:0;list-style:none}
.beyond h3{font:400 26px/1.15 var(--serif);color:var(--ink)}
.beyond p{margin-top:8px;font-size:15.5px}
@media(max-width:880px){.beyond{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.beyond{grid-template-columns:1fr}}

/* ---------- photography strip ---------- */
.strip{--edge:max(var(--gutter),calc((100% - var(--max)) / 2 + var(--gutter)));display:flex;gap:14px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;padding:4px var(--edge) 28px;scroll-padding-inline:var(--edge);scrollbar-width:thin;scrollbar-color:var(--hair-strong) transparent}
.strip::-webkit-scrollbar{height:6px}.strip::-webkit-scrollbar-thumb{background:var(--hair-strong);border-radius:3px}
.shot{flex:0 0 auto;scroll-snap-align:start;max-width:88vw;margin:0}
.shot button{display:block;height:clamp(240px,40vh,440px);overflow:hidden;border-radius:4px;background:var(--hair)}
.shot picture{display:block;height:100%}
.shot img{height:100%;width:auto;max-width:none;transition:transform 1s var(--ease)}
.shot:hover img{transform:scale(1.02)}
.shot figcaption{margin-top:10px;font-size:13.5px;color:var(--muted)}
.strip-foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:8px;font-size:15px}

/* ---------- photography page ---------- */
.gallery-head{padding:calc(var(--nav-h) + 56px) 0 24px}
.masonry{columns:4 250px;column-gap:14px;padding-bottom:40px}
.ph{break-inside:avoid;margin:0 0 14px}
.ph button{display:block;width:100%;overflow:hidden;border-radius:4px;background:var(--hair)}
.ph img{width:100%;transition:transform 1s var(--ease)}
.ph:hover img{transform:scale(1.02)}
.ph figcaption{display:flex;justify-content:space-between;gap:10px;padding:8px 2px 0;font-size:13px;color:var(--muted)}
.ph .film{font-style:italic;font-family:var(--serif);font-size:15px;color:var(--accent-ink)}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:70;background:rgba(12,11,10,.95);display:none;align-items:center;justify-content:center;touch-action:pan-y}
.lb.open{display:flex}
.lb img{max-width:min(94vw,1600px);max-height:86vh;object-fit:contain;user-select:none;-webkit-user-drag:none}
.lb-cap{position:absolute;left:var(--gutter);right:var(--gutter);bottom:22px;display:flex;justify-content:space-between;gap:16px;color:#d9d4cb;font:italic 400 18px var(--serif)}
.lb-cap span:last-child{font:400 13px var(--sans);color:#8e8880}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;color:#fff;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:background .25s}
.lb-btn:hover{background:rgba(255,255,255,.18)}
.lb-prev{left:18px}.lb-next{right:18px}
.lb-close{position:absolute;top:18px;right:18px;width:48px;height:48px;border-radius:50%;color:#fff;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:22px}
.lb-btn svg{width:22px;height:22px}
@media(max-width:720px){.lb-btn{display:none}}

/* ---------- case drawer ---------- */
.drawer{position:fixed;inset:0;z-index:60;display:none}
.drawer.open{display:block}
.drawer-bg{position:absolute;inset:0;background:rgba(20,18,16,.5);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;transition:opacity .4s}
.drawer.open .drawer-bg{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(760px,100%);background:var(--bg);overflow-y:auto;transform:translateX(100%);transition:transform .55s var(--ease);box-shadow:var(--shadow)}
.drawer.open .drawer-panel{transform:none}
.drawer-close{position:sticky;top:0;z-index:2;display:flex;justify-content:flex-end;padding:14px var(--gutter) 0;background:linear-gradient(var(--bg),transparent)}
.drawer-close button{width:44px;height:44px;border-radius:50%;border:1px solid var(--hair-strong);background:var(--bg);font-size:20px;display:grid;place-items:center}
.case{padding:8px var(--gutter) 64px}
.case .kicker{font-size:14px;color:var(--muted)}
.case h2{margin-top:10px;font:400 clamp(36px,4vw,52px)/1.02 var(--serif);color:var(--ink)}
.case .lede{margin-top:18px;font-size:18px;max-width:58ch;color:var(--ink)}
.case p{margin-top:14px;font-size:16px;max-width:62ch}
.case h3{margin-top:36px;font:400 26px/1.15 var(--serif);color:var(--ink)}
.case ul{margin:12px 0 0;padding-left:20px;font-size:16px}
.case li{margin:6px 0}
.case figure{margin:26px 0 0;border-radius:8px;overflow:hidden;background:var(--hair)}
.case figure.contain img{object-fit:contain;background:#e9e6df;padding:6%}
:root[data-theme="dark"] .case figure.contain img{background:#262421}
.case figure.pair{display:grid;grid-template-columns:1fr 1fr;gap:1px}
.case figcaption{padding:10px 2px 0;font-size:13.5px;color:var(--muted);background:var(--bg)}
.case .facts{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin-top:26px;font-size:15px;padding:18px 0;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.case .facts b{font-weight:500;color:var(--muted)}
.case .actions{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:28px;font-size:15px}
body.locked{overflow:hidden}

/* ---------- case-study pages ---------- */
.page-hero{padding:calc(var(--nav-h) + 56px) 0 32px}
.page-hero .kicker{font-size:14.5px;color:var(--muted)}
.page-hero h1{margin-top:10px;font:400 clamp(44px,6vw,80px)/1 var(--serif);color:var(--ink);letter-spacing:-.015em;max-width:18ch}
.page-hero .meta{margin-top:18px;font-size:15px;color:var(--muted)}
.page-hero .lede{margin-top:22px;font:400 clamp(19px,2vw,24px)/1.45 var(--serif);color:var(--ink);max-width:48ch}
:root[data-lang="zh"] .page-hero .lede{font-weight:400}
.prose{max-width:66ch}
.prose h2{font:400 clamp(28px,3vw,38px)/1.1 var(--serif);color:var(--ink);margin:56px 0 14px}
.prose h3{font:400 24px/1.2 var(--serif);color:var(--ink);margin:30px 0 8px}
.prose p{margin:0 0 16px;font-size:17px}
.prose ul{padding-left:20px;margin:0 0 16px}
.prose li{margin:8px 0;font-size:16.5px}
.prose b{font-weight:600;color:var(--ink)}
.prose em{font-style:italic}
.figure{margin:28px 0;border-radius:8px;overflow:hidden;background:var(--hair)}
.figure img{width:100%}
.figures{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0}
.figures .figure{margin:0}
@media(max-width:640px){.figures{grid-template-columns:1fr}}
.stat{margin:22px 0;padding:22px 0;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);font-size:17px}
.stat b{display:block;font:400 48px/1 var(--serif);color:var(--accent-ink);margin-bottom:8px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.pill{font-size:13px;border:1px solid var(--hair-strong);border-radius:999px;padding:6px 12px;color:var(--body)}
.cta{display:inline-block;margin-top:8px;padding:12px 18px;border-radius:8px;background:var(--ink);color:var(--bg);font-size:15px;font-weight:500;transition:background .25s}
.cta:hover{background:var(--accent-ink);color:#fff}
.page-foot{margin-top:64px;padding:28px 0 56px;border-top:1px solid var(--hair);font-size:14.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* ---------- contact + footer ---------- */
.contact{border-top:1px solid var(--hair)}
.contact .big{font:400 clamp(48px,8vw,112px)/1 var(--serif);color:var(--ink);letter-spacing:-.02em}
.contact .note{margin-top:22px;font-size:17px;max-width:46ch;color:var(--body)}
.contact-links{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:34px;font-size:18px}
.contact-links a{color:var(--ink);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 50%,transparent);text-underline-offset:.25em;transition:text-decoration-color .25s}
.contact-links a:hover{text-decoration-color:var(--accent)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding:28px 0 48px;border-top:1px solid var(--hair);font-size:13.5px;color:var(--muted)}

/* ---------- reveal ---------- */
html.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
html.js [data-reveal].in{opacity:1;transform:none}

/* ---------- motion preferences ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-delay:0s!important;transition-duration:.001s!important}
  .hero [data-rise]{opacity:1;transform:none;animation:none}
  [data-reveal]{opacity:1;transform:none}
  .band img{transform:none!important}
  .feat{transform:none!important}
  .tl-year,.tl-body{opacity:1}
}