/* yeworks shares the glacier / ivory / dark palette of the ye tool family. */
:root{
  color-scheme:light;--bg:#edf4f8;--surface:#f9fcfe;--card:#fff;--text:#203647;--muted:#586f7d;--faint:#5a7180;
  --line:#ccdae3;--blue:#256a9b;--blue-soft:#dfedf6;--shadow:0 9px 32px #274b6410;--paper:#fff;--focus:#176bda;
  --page-art:#dcebf5;--yeat-art:#e3efef;--game-art:#263a42;--header:rgba(237,244,248,.87);--radius:20px;
  font-family:Inter,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:24px;
}
:root[data-theme="ivory"]{--bg:#f6f4ef;--surface:#fbfaf7;--card:#fffefa;--text:#373a35;--muted:#696b61;--faint:#686c63;--line:#dddcd0;--blue:#526e6a;--blue-soft:#e7ece5;--shadow:0 9px 32px #544f3710;--paper:#fffef9;--page-art:#e5eae4;--yeat-art:#eae8dd;--game-art:#343c35;--header:rgba(246,244,239,.88)}
:root[data-theme="dark"]{color-scheme:dark;--bg:#101b24;--surface:#172731;--card:#1b2d38;--text:#e4edf2;--muted:#a8bdc9;--faint:#8ba3b2;--line:#344c5c;--blue:#9dcbed;--blue-soft:#243f51;--shadow:0 9px 32px #0002;--paper:#e5f0f4;--page-art:#263f50;--yeat-art:#29484b;--game-art:#1a2d35;--header:rgba(16,27,36,.9);--focus:#aacfee}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;overflow-wrap:break-word}
body:before{content:"";position:absolute;z-index:-1;inset:0 0 auto;height:620px;background:radial-gradient(ellipse at 70% 5%,color-mix(in srgb,var(--blue-soft) 75%,transparent),transparent 67%);pointer-events:none}
a{color:inherit;text-decoration:none}
button{font:inherit}
button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
button{cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:5px}
img,svg{display:block;max-width:100%}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:12px;left:12px;z-index:100;transform:translateY(-180%);background:var(--card);border:1px solid var(--blue);padding:12px 20px;border-radius:8px}
.skip-link:focus{transform:translateY(0)}
.site-shell{width:min(1240px,calc(100% - 112px));margin:0 auto}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:104px;border-bottom:1px solid var(--line)}
.wordmark{display:flex;align-items:center;gap:10px;font-size:27px;font-weight:750;letter-spacing:-1.2px;line-height:1}
.wordmark img{width:36px;height:36px}
.wordmark-dot{color:var(--blue)}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:30px;font-size:12px;font-weight:600}
.site-nav a{display:inline-flex;align-items:center;gap:8px;min-height:44px}
.site-nav a:hover,.site-footer>a:hover{color:var(--blue)}
.site-nav span{font:10px/1 Consolas,monospace;color:var(--faint);margin-top:-9px}
.theme-picker{display:flex;gap:4px;border:1px solid var(--line);padding:4px;border-radius:100px;background:var(--surface)}
.theme-picker button{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:50%;background:transparent;color:var(--muted)}
.theme-picker button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.theme-picker button[aria-pressed="true"]{color:var(--blue);background:var(--blue-soft);box-shadow:0 1px 4px #274b6410}
.theme-picker button:hover{color:var(--blue)}
.hero{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:60px;align-items:end;padding:74px 0 68px}
.eyebrow{display:flex;align-items:center;gap:8px;font-size:10px;line-height:1.6;letter-spacing:2px;font-weight:650;color:var(--blue);margin:0 0 22px}
.status-dot{display:block;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.hero h1{font-size:clamp(36px,4.3vw,58px);line-height:1.33;letter-spacing:-2.8px;font-weight:650;margin:0}
.hero h1>span{color:var(--blue)}
.hero-description{font-size:14px;line-height:1.95;color:var(--muted);margin:25px 0 0;letter-spacing:.3px}
.hero-note{padding:4px 0 3px 28px;border-left:1px solid var(--line);align-self:center}
.note-label{font-size:9px;letter-spacing:1.6px;color:var(--faint);font-weight:650}
.collection-marks{display:flex;align-items:center;margin:24px 0 17px;padding-left:4px}
.collection-marks>span{display:grid;place-items:center;width:57px;height:57px;margin-left:-4px;border:1px solid var(--line);border-radius:50%;background:var(--surface);box-shadow:0 3px 8px #20364708}
.collection-marks>span:nth-child(2){background:var(--yeat-art);transform:translateY(-7px)}
.collection-marks>span:nth-child(3){background:var(--game-art)}
.hero-note p{font-size:12px;line-height:1.85;color:var(--muted);margin:0 0 18px}
.text-link{display:inline-flex;align-items:center;gap:22px;color:var(--blue);font-size:12px;font-weight:650;min-height:36px}
.text-link:hover span{transform:translateY(3px)}
.text-link span{transition:transform .2s}
.section-heading{display:flex;justify-content:space-between;align-items:baseline;margin:0 0 22px;gap:16px}
.section-heading h2{font-size:15px;font-weight:650;letter-spacing:.5px;margin:0}
.section-heading h2 span{font-size:10px;font-weight:400;letter-spacing:.4px;color:var(--faint);margin-left:10px}
.section-count{font:10px/1.5 Consolas,monospace;color:var(--faint);letter-spacing:1px}
.works-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.work-card{position:relative;display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s,border-color .22s}
.work-card:hover{transform:translateY(-5px);box-shadow:0 15px 36px #274b6420;border-color:color-mix(in srgb,var(--blue) 45%,var(--line))}
.work-card:focus-within{outline:3px solid var(--focus);outline-offset:5px}
.work-art{position:relative;height:242px;overflow:hidden;border-radius:calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0;border-bottom:1px solid var(--line);isolation:isolate}
.art-meta{position:absolute;z-index:2;inset:17px 21px auto;display:flex;align-items:center;justify-content:space-between;font:9px/1.5 Consolas,monospace;letter-spacing:1px;color:#436275}
.art-star{font-size:17px;line-height:1}
.art-caption{position:absolute;bottom:17px;left:21px;font:8px/1.5 Consolas,monospace;letter-spacing:1.1px;color:#436275}
.page-art{background:var(--page-art)}
.page-art:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#60839828 .8px,transparent .8px);background-size:14px 14px;mask-image:linear-gradient(130deg,#000,transparent)}
.page-illustration{width:228px;height:160px;position:absolute;inset:45px 0 auto;margin:auto;transition:transform .25s}
.mini-sheet{position:absolute;border:1px solid #b8d0de;border-radius:10px;width:195px;height:128px;background:var(--paper);box-shadow:0 10px 18px #284b6414}
.sheet-back{top:4px;left:19px;transform:rotate(7deg);opacity:.65}
.sheet-front{top:12px;left:5px;transform:rotate(-5deg);padding:13px 14px}
.sheet-toolbar{display:flex;align-items:center;gap:4px;border-bottom:1px solid #d5e0e8;padding-bottom:9px}
.sheet-toolbar>i{width:4px;height:4px;border-radius:50%;background:#b7cbd8}
.sheet-toolbar span{font:6px/1.5 Consolas,monospace;letter-spacing:1px;margin-left:auto;color:#648094}
.sheet-columns{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:13px}
.sheet-columns>div+div{border-left:1px solid #dde7ed;padding-left:10px}
.sheet-line{display:block;height:4px;background:#cbdbe5;border-radius:1px;margin:0 0 7px}
.sheet-line.long{width:100%}.sheet-line.medium{width:76%}.sheet-line.short{width:50%}.sheet-line.accent{background:#80b1d1;height:7px;margin-top:-1px;margin-bottom:5px}
.sheet-check{position:absolute;right:12px;bottom:10px;font-size:6px;color:#526f7f;display:flex;align-items:center;gap:4px}
.sheet-check>span{display:grid;place-items:center;width:11px;height:11px;border-radius:50%;background:#e2efe8;color:#48816c;font-size:8px}
.moon-stamp{position:absolute;right:0;bottom:4px;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#2e6486;color:#e4f1f7;border:4px solid var(--page-art);font-size:30px;line-height:1;transform:rotate(-18deg)}
.yeat-art{background:var(--yeat-art)}
.yeat-art:before{content:"";position:absolute;inset:-60px -10px auto auto;width:300px;height:300px;border:1px solid #719f9c20;border-radius:50%;box-shadow:0 0 0 26px #719f9c0a,0 0 0 52px #719f9c08}
.workflow-illustration{width:268px;height:155px;position:absolute;inset:50px 0 auto;margin:auto;transition:transform .25s}
.workflow-orbit{position:absolute;inset:43px 24px 40px;border:1px dashed #77a3a7;border-radius:50%;transform:rotate(-13deg)}
.workflow-paper{position:absolute;background:#f8fcfa;border:1px solid #bdd5d2;box-shadow:0 8px 16px #3857510d;border-radius:8px;width:78px;height:99px;padding:9px}
.paper-translate{top:12px;left:8px;transform:rotate(-10deg)}
.paper-review{top:33px;right:8px;transform:rotate(10deg)}
.paper-label{font:5px/1.4 Consolas,monospace;letter-spacing:.6px;color:#607d80}
.paper-translate b{display:block;color:#457884;font:700 24px/1.5 Georgia,serif;margin:8px 0 9px}
.paper-translate b>span{font:14px "Microsoft YaHei",sans-serif;margin-left:5px;color:#7c9c99}
.paper-translate i{display:block;width:100%;height:3px;background:#d2e1db;margin-bottom:4px}.paper-translate i:last-child{width:70%}
.paper-review div{display:flex;gap:6px;align-items:center;margin-top:12px}
.paper-review div>span{font-size:10px;color:#5c8d7c;line-height:1}.paper-review div>i{display:block;width:34px;height:3px;background:#c3dad2}
.yeti-medallion{display:grid;place-items:center;position:absolute;top:9px;left:80px;width:110px;height:125px;border-radius:50%;background:radial-gradient(ellipse,#edf6f5 0%,#edf6f500 70%)}
.game-art{background:var(--game-art)}
.game-art:before{content:"";position:absolute;inset:0;background:linear-gradient(#bfcab607 1px,transparent 1px),linear-gradient(90deg,#bfcab607 1px,transparent 1px);background-size:16px 16px}
.game-art .art-meta,.game-art .art-caption{color:#d0be91}
.pixel-star{font-size:24px;color:#d1ab64;line-height:1}
.game-illustration{position:absolute;inset:42px 0 auto;width:268px;height:170px;margin:auto;transition:transform .25s}
.pixel-citadel{width:256px;height:160px;margin:0 auto;image-rendering:pixelated}
.language-chip{position:absolute;right:3px;bottom:10px;display:block;padding:4px 6px;background:#18292f;border:1px solid #5a6c67;color:#d7c18b;box-shadow:3px 3px 0 #122127;font:6px/1.5 Consolas,"Microsoft YaHei",monospace;letter-spacing:.5px;transform:rotate(-4deg)}
.work-card:hover .page-illustration,.work-card:hover .workflow-illustration,.work-card:hover .game-illustration{transform:translateY(-3px)}
[data-theme="dark"] .page-art .art-meta,[data-theme="dark"] .page-art .art-caption,[data-theme="dark"] .yeat-art .art-meta,[data-theme="dark"] .yeat-art .art-caption{color:#b5d3df}
.work-content{padding:24px 23px 19px;display:flex;flex-direction:column;flex:1}
.work-title-row{display:flex;align-items:center;gap:10px;min-width:0}
.project-icon{flex:none;width:29px;height:29px}
.work-title-row h3{font-size:21px;letter-spacing:-.55px;line-height:1.5;margin:0;font-weight:650;white-space:nowrap}
.work-title-row h3>span{font-size:11px;font-weight:400;letter-spacing:0;margin-left:5px;color:var(--muted)}
.live-label{display:flex;align-items:center;gap:4px;color:var(--faint);font-size:9px;white-space:nowrap;margin-left:auto}
.live-label:before{content:"";width:4px;height:4px;background:#5f9380;border-radius:50%}
.work-description{font-size:13px;line-height:1.9;color:var(--muted);margin:17px 0 18px;flex:1;min-height:50px}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:5px;padding:0;margin:0 0 26px;color:var(--muted)}
.tags li{font-size:10px;line-height:1.4;border:1px solid var(--line);border-radius:5px;padding:4px 7px;background:var(--surface);white-space:nowrap}
.work-link-row{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding-top:14px;min-width:0}
.use-case{font-size:10px;color:var(--faint)}
.work-link{display:inline-flex;align-items:center;gap:8px;min-height:30px;font-size:11px;font-weight:650;color:var(--blue);white-space:nowrap}
.work-link>span{font-size:18px;line-height:1}
.work-link:after{content:"";position:absolute;inset:0;border-radius:var(--radius);z-index:5}
.work-link:focus-visible{outline:none}
.chooser{display:grid;grid-template-columns:1fr 1.8fr;gap:64px;margin:68px 0 66px;padding-top:38px;border-top:1px solid var(--line)}
.chooser-intro .eyebrow{font-size:9px;margin-bottom:14px}
.chooser-intro h2{font-size:23px;line-height:1.4;font-weight:600;letter-spacing:-.5px;margin:0 0 12px}
.chooser-intro>p:last-child{color:var(--muted);font-size:12px;margin:0}
.choice-list{display:flex;flex-direction:column}
.choice-list>a{display:flex;align-items:center;gap:16px;min-height:60px;border-bottom:1px solid var(--line);padding:12px 0;font-size:12px;transition:color .15s}
.choice-list>a:first-child{padding-top:0;min-height:48px}
.choice-list>a:last-child{border-bottom:0}
.choice-number{flex:none;color:var(--faint);font:9px/1.4 Consolas,monospace}
.choice-description{flex:1;min-width:0}
.choice-project{flex:none;display:flex;align-items:center;gap:20px;font-size:11px;font-weight:600;color:var(--blue)}
.choice-project>span{font-size:18px;line-height:1;transition:transform .15s}
.choice-list>a:hover{color:var(--blue)}
.choice-list>a:hover .choice-project>span{transform:translate(2px,-2px)}
.site-footer{display:flex;align-items:center;gap:32px;padding:27px 0 34px;border-top:1px solid var(--line)}
.footer-brand{font-size:20px;font-weight:700;letter-spacing:-1px}
.site-footer p{font-size:10px;color:var(--muted);margin:0}
.site-footer p>span{display:inline-block;font-size:9px;margin-left:14px;color:var(--faint)}
.site-footer>a:last-child{font-size:10px;color:var(--muted);margin-left:auto;min-height:40px;display:inline-flex;align-items:center;gap:18px}
@media(min-width:1500px){.hero{padding-top:90px;padding-bottom:82px}.work-art{height:270px}.page-illustration{top:61px}.workflow-illustration{top:65px}.game-illustration{top:57px}}
@media(max-width:1150px){.site-shell{width:calc(100% - 64px)}.works-grid{gap:16px}.work-content{padding:20px 17px 16px}.work-title-row{gap:8px}.work-title-row h3{font-size:19px}.project-icon{width:25px;height:25px}.live-label{display:none}.hero{gap:36px}.hero h1{font-size:48px}.work-art{height:224px}.page-illustration{top:37px;transform:scale(.9)}.workflow-illustration{top:41px;transform:scale(.88)}.game-illustration{top:34px;transform:scale(.9)}.work-card:hover .page-illustration{transform:scale(.9) translateY(-3px)}.work-card:hover .workflow-illustration{transform:scale(.88) translateY(-3px)}.work-card:hover .game-illustration{transform:scale(.9) translateY(-3px)}.chooser{gap:36px}.use-case{font-size:9px}.work-link{font-size:10px}}
@media(max-width:900px){.site-shell{width:calc(100% - 48px)}.hero{grid-template-columns:1fr 190px;gap:24px;padding:56px 0}.hero h1{font-size:40px;letter-spacing:-1.8px}.hero-note{padding-left:20px}.hero-description{font-size:12px}.works-grid{grid-template-columns:1fr;gap:22px}.work-card{display:grid;grid-template-columns:42% minmax(0,1fr)}.work-art{height:100%;min-height:248px;border-radius:calc(var(--radius) - 1px) 0 0 calc(var(--radius) - 1px);border-bottom:0;border-right:1px solid var(--line)}.work-content{padding:26px}.page-illustration{top:calc(50% - 75px)}.workflow-illustration{top:calc(50% - 77px)}.game-illustration{top:calc(50% - 85px)}.work-description{font-size:13px;min-height:0}.work-title-row h3{font-size:22px}.live-label{display:flex}.tags{margin-bottom:23px}.tags li{font-size:10px}.work-link{font-size:12px;min-height:36px}.use-case{font-size:10px}.chooser{grid-template-columns:1fr 1.7fr;gap:26px}.choice-list>a{gap:10px;font-size:11px}.choice-project{gap:12px}.site-footer p>span{display:block;margin-left:0;margin-top:3px}}
@media(max-width:640px){.site-shell{width:calc(100% - 36px)}.site-header{min-height:86px;gap:16px}.wordmark{font-size:24px;gap:8px}.wordmark img{width:32px;height:32px}.site-nav{display:none}.theme-picker{padding:3px;gap:0}.theme-picker button{width:36px;height:36px}.hero{display:block;padding:42px 0 38px}.eyebrow{font-size:9px;letter-spacing:1.6px;margin-bottom:21px}.hero h1{font-size:clamp(30px,8.3vw,45px);letter-spacing:-1.8px;line-height:1.42}.hero-description{font-size:12px;line-height:1.95;margin-top:19px}.hero-note{display:none}.section-heading{margin-bottom:18px}.section-heading h2{font-size:14px}.section-heading h2 span{font-size:9px;margin-left:7px}.section-count{font-size:9px}.works-grid{gap:24px}.work-card{display:flex;border-radius:18px}.work-art{height:224px;min-height:224px;width:100%;border-radius:17px 17px 0 0;border-right:0;border-bottom:1px solid var(--line)}.art-meta{inset:17px 21px auto}.page-illustration{top:39px;transform:none}.workflow-illustration{top:44px;transform:none}.game-illustration{top:36px;transform:none}.work-card:hover .page-illustration,.work-card:hover .workflow-illustration,.work-card:hover .game-illustration{transform:translateY(-3px)}.work-content{padding:22px 21px 17px}.work-title-row h3{font-size:22px}.project-icon{width:29px;height:29px}.work-description{margin:16px 0;line-height:1.9}.tags{margin-bottom:19px}.work-link-row{padding-top:10px}.work-link{min-height:44px}.use-case{font-size:10px}.chooser{grid-template-columns:1fr;gap:23px;margin:44px 0 36px;padding-top:30px}.chooser-intro .eyebrow{margin-bottom:12px}.chooser-intro h2{font-size:23px}.chooser-intro>p:last-child{font-size:11px}.choice-list>a{min-height:70px;font-size:12px;gap:11px}.choice-list>a:first-child{min-height:64px;padding-top:10px}.choice-description{max-width:66%}.choice-project{margin-left:auto;gap:7px;font-size:10px}.choice-number{font-size:9px}.site-footer{gap:18px;flex-wrap:wrap;padding:24px 0 25px}.footer-brand{font-size:19px}.site-footer p{margin-left:auto;text-align:right;font-size:9px}.site-footer p>span{font-size:8px;margin-top:1px}.site-footer>a:last-child{margin:0;width:100%;justify-content:center;font-size:10px;border-top:1px solid var(--line);padding-top:14px}.live-label{font-size:9px}}
@media(max-width:360px){.site-shell{width:calc(100% - 28px)}.wordmark{font-size:22px}.wordmark img{width:28px;height:28px}.theme-picker button{width:32px;height:34px}.site-header{gap:10px}.hero h1{font-size:29px}.work-content{padding-inline:18px}.choice-description{max-width:58%}.live-label{display:none}}
@media(pointer:coarse){.theme-picker button{min-width:40px;min-height:40px}.theme-picker{gap:0}.site-header{gap:10px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.work-card:hover{transform:none}}
@media(forced-colors:active){.work-card,.theme-picker,.tags li{border:1px solid CanvasText}.theme-picker button[aria-pressed="true"]{outline:2px solid Highlight}.work-link{color:LinkText}.work-card:focus-within{outline-color:Highlight}.status-dot,.live-label:before{background:CanvasText}}

/* ======================================================================
   YeHub / Catalogue additions. Existing component rules above are intact.
   Secondary links sit above the original card-wide preview link.
   ====================================================================== */
.case-card-link{position:relative;z-index:6;gap:8px;color:var(--muted);font-size:11px;font-weight:500;min-height:44px;padding-right:12px}
.case-card-link:hover{color:var(--blue)}
.essay-work-card{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.65fr)}
.essay-work-art{position:relative;display:grid;place-items:center;min-width:0;min-height:272px;overflow:hidden;border-radius:19px 0 0 19px;border-right:1px solid var(--line);background:var(--blue-soft);padding:48px 24px}
.essay-work-art-label,.essay-work-art-caption{position:absolute;left:21px;font:9px/1.5 Consolas,monospace;letter-spacing:1px;color:var(--blue)}
.essay-work-art-label{top:18px}.essay-work-art-caption{bottom:17px;font-size:8px}
.essay-art-sheet{width:min(100%,230px);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:17px 20px;box-shadow:var(--shadow);transform:rotate(-4deg);color:var(--text)}
.essay-art-sheet>span{font:8px/1.5 Consolas,monospace;letter-spacing:1px;color:var(--muted)}
.essay-art-sheet>div:not(.essay-art-lines){display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:6px}
.essay-art-sheet strong{font-size:35px;letter-spacing:-1.5px;font-weight:600}.essay-art-sheet i{font-style:normal;color:var(--blue)}
.essay-art-sheet>p{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);margin:0 0 14px}
.essay-art-lines{display:grid;gap:5px}.essay-art-lines>i{height:3px;border-radius:2px;background:var(--line)}.essay-art-lines>i:nth-child(2){width:78%}.essay-art-lines>i:last-child{width:58%}
.essay-work-title{display:flex;align-items:center;gap:12px}.essay-work-title h3{font-size:22px;line-height:1.5;margin:0;font-weight:650;letter-spacing:-.5px}.essay-work-title h3>span{font-size:13px;color:var(--muted);font-weight:400;letter-spacing:0;margin-left:8px}

/* ======================================================================
   Case studies / Shared hero, narrative, evidence metrics and navigation.
   ====================================================================== */
.case-breadcrumb{margin:24px 0 0;gap:10px;font-size:12px}
.case-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:64px;align-items:center;padding:34px 0 52px}
.case-hero-copy{min-width:0}.case-identity{display:flex;align-items:center;gap:17px}.case-identity>img{flex:none;width:60px;height:60px}.case-identity h1{font-size:clamp(36px,4vw,54px);line-height:1.25;font-weight:650;letter-spacing:-2px;margin:0}.case-identity h1>span{display:inline-block;font-size:.43em;font-weight:400;letter-spacing:0;color:var(--muted);vertical-align:middle;margin-left:8px}
.case-lead{font-size:19px;line-height:1.85;margin:24px 0 22px;max-width:27em;color:var(--muted)}
.case-actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px}.case-button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:46px;padding:10px 20px;border:1px solid var(--line);border-radius:10px;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:650}.case-button:hover{border-color:var(--blue)}
.case-status{display:inline-flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}.case-status:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--blue)}
.case-board{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);min-width:0}.case-board figcaption{font-size:11px;line-height:1.9;color:var(--muted);margin-top:22px}
.case-specimen{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;text-align:center}.case-specimen>span,.case-specimen>small{display:block;color:var(--muted);font-size:11px}.case-specimen>strong{display:block;font:500 38px/1.6 Consolas,monospace;color:var(--text);letter-spacing:2px}.case-code-mark{display:inline-block;font:12px/1.4 Consolas,monospace;vertical-align:middle;letter-spacing:0;color:var(--blue);background:var(--blue-soft);border:1px dashed var(--blue);padding:4px 7px;margin:0 8px;border-radius:4px}
.case-flow{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:20px 0 0;padding:0;counter-reset:flow}.case-flow>li{counter-increment:flow;position:relative;padding:14px 8px 12px;background:var(--card);border:1px solid var(--line);border-radius:10px;text-align:center;font-size:11px;color:var(--text)}.case-flow>li:before{content:"0" counter(flow);display:block;font:10px/1.5 Consolas,monospace;color:var(--muted);margin-bottom:4px}.case-flow-four{grid-template-columns:repeat(4,minmax(0,1fr))}
.case-asset-line{display:flex;justify-content:center;gap:12px;padding:18px;background:var(--blue-soft);border:1px solid var(--line);border-radius:12px;color:var(--blue);font-size:13px}.case-asset-line>span+span{padding-left:12px;border-left:1px solid var(--line)}
.case-evidence{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 14px;border-top:1px solid var(--line);padding-top:18px;margin-top:20px;font-size:11px;color:var(--muted)}
.case-game-stage{display:flex;flex-direction:column;align-items:center;gap:18px;padding:12px}.case-language-list{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.case-language-list>span{padding:5px 12px;border:1px solid var(--line);border-radius:6px;background:var(--card);font-size:12px;color:var(--text)}
.case-jump-list{display:flex;gap:32px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:11px 0;color:var(--muted);font-size:12px}.case-jump-list>a{display:inline-flex;min-height:36px;align-items:center}.case-jump-list>a:hover{color:var(--blue)}
.case-section{padding-top:56px;scroll-margin-top:24px}.case-problems{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.case-note{padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.case-note h3{font-size:16px;font-weight:600;line-height:1.6;margin:0 0 12px}.case-note p{font-size:13px;line-height:1.95;color:var(--muted);margin:0}
.case-steps{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.case-steps>li{display:grid;grid-template-columns:56px minmax(0,1fr);gap:22px;padding:25px 0;border-bottom:1px solid var(--line)}.case-step-number{font:19px/1.6 Consolas,monospace;color:var(--blue)}.case-steps h3{margin:0 0 8px;font-size:17px;font-weight:600}.case-steps p{max-width:68em;font-size:14px;line-height:1.95;color:var(--muted);margin:0}.case-inline-link{color:var(--blue);text-decoration:underline;text-underline-offset:4px}
.case-section-intro{font-size:13px;color:var(--muted);line-height:1.9;margin:0 0 24px;max-width:65em}.case-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0}.case-metrics:has(>.case-metric:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}.case-metric{padding:23px 20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0}.case-metric>dt{color:var(--muted);font-size:12px}.case-metric-value{color:var(--text);font-size:34px;font-weight:600;line-height:1.45;letter-spacing:-1px;margin:16px 0 12px;overflow-wrap:anywhere}.case-metric-unit{font-size:17px;letter-spacing:-.3px;display:inline-block}.case-metric-note{margin:0;font-size:12px;color:var(--muted);line-height:1.9}.case-related{padding-top:24px}.case-pager{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:60px 0 46px;border-top:1px solid var(--line);padding-top:26px}.case-pager>a{display:flex;flex-direction:column;gap:8px;min-height:74px;padding:12px 0;color:var(--text)}.case-pager>a:hover{color:var(--blue)}.case-pager small{font-size:10px;font-weight:400;letter-spacing:.5px;color:var(--muted)}.case-pager strong{font-size:15px;font-weight:600}.case-pager>a:nth-child(2){text-align:center}.case-pager>a:last-child{text-align:right}

/* Known gaps remain honest and discoverable, without looking like errors. */
[data-todo]{border-bottom:1px dashed var(--faint);padding-bottom:2px;text-decoration:none}

/* ======================================================================
   Methodology / Long-form typography, native anchor contents and rule atlas.
   Shared tokens provide readable text in glacier, ivory and dark themes.
   ====================================================================== */
.essay-hero{padding:32px 0 46px;border-bottom:1px solid var(--line);max-width:1040px}.essay-title{font-size:clamp(30px,3.4vw,46px);line-height:1.55;font-weight:650;letter-spacing:-1.6px;margin:0 0 22px;text-wrap:balance}.essay-deck{font-size:17px;color:var(--muted);line-height:1.9;margin:0 0 24px;max-width:44em}.essay-byline{font-size:11px;line-height:1.9;color:var(--muted);margin:0}.essay-byline>span{display:inline-block;margin-left:20px}
.essay-layout{display:grid;grid-template-columns:196px minmax(0,1fr);gap:60px;align-items:start;padding-top:44px}.essay-toc{position:sticky;top:28px;min-width:0;border-right:1px solid var(--line);padding-right:24px}.essay-toc>ol{list-style:none;padding:0;margin:0 0 18px;counter-reset:contents}.essay-toc li{counter-increment:contents;margin:0}.essay-toc li>a{display:flex;align-items:baseline;gap:10px;min-height:42px;font-size:12px;color:var(--muted);padding:9px 0}.essay-toc li>a:before{content:"0" counter(contents);font:10px/1.6 Consolas,monospace;color:var(--faint)}.essay-toc a:hover{color:var(--blue)}
.essay-body{width:100%;max-width:74ch;min-width:0;font-size:16px;line-height:1.95}.essay-section{margin:0 0 54px;padding-top:8px;scroll-margin-top:24px}.essay-section+.essay-section{border-top:1px solid var(--line);padding-top:38px}.essay-section h2{font-size:27px;line-height:1.55;letter-spacing:-.7px;font-weight:600;margin:0 0 22px}.essay-section h3{font-size:20px;line-height:1.65;font-weight:600;margin:28px 0 12px}.essay-section h4{font-size:16px;line-height:1.7;font-weight:600;margin:22px 0 10px}.essay-section p{margin:0 0 20px}.essay-section p:last-child{margin-bottom:0}.essay-section>.eyebrow{margin-bottom:14px}.essay-section code{font: .87em/1.7 Consolas,monospace;overflow-wrap:anywhere;color:var(--blue);background:var(--blue-soft);border-radius:4px;padding:2px 4px}
.essay-quote{margin:28px 0;padding:21px 24px;border-left:3px solid var(--blue);border-radius:0 12px 12px 0;background:var(--blue-soft);color:var(--text)}.essay-quote>p{font-size:20px;line-height:1.9;font-weight:500;margin:0 0 12px}.essay-quote cite{font-size:11px;font-style:normal;color:var(--blue)}.essay-principles>section{margin-top:24px}.essay-principles p{color:var(--muted)}
.essay-rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:26px 0 36px}.essay-rule-card{position:relative;display:flex;flex-direction:column;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:17px 16px 32px;box-shadow:var(--shadow)}.essay-rule-card:hover{border-color:var(--blue)}.essay-rule-count{font-size:18px;color:var(--blue);font-weight:600;line-height:1.6}.essay-rule-count>span{display:block;font:10px/1.6 Consolas,monospace;font-weight:400;letter-spacing:.2px;color:var(--muted);margin-top:3px}.essay-rule-card>h3{font-size:14px;font-weight:600;line-height:1.7;margin:12px 0 9px}.essay-rule-card>p{font-size:12px;line-height:1.85;color:var(--muted);margin:0}.essay-rule-arrow{position:absolute;right:15px;bottom:8px;font-size:16px;color:var(--blue)}
.essay-category{padding:25px 0;border-top:1px solid var(--line);scroll-margin-top:24px}.essay-category>.essay-rule-range{margin:0 0 8px}.essay-rule-range{font:11px/1.7 Consolas,"Microsoft YaHei",monospace;color:var(--blue);letter-spacing:.3px}.essay-category>h3{font-size:19px;margin:0 0 12px}.essay-category>p:not(.essay-rule-range){font-size:15px}.essay-category>.essay-takeaway{padding:12px 16px;border-left:2px solid var(--line);font-size:14px;color:var(--muted);background:var(--surface)}.essay-category>.text-link{font-size:11px}
.essay-mapping{margin-top:34px;padding-top:27px;border-top:1px solid var(--line);scroll-margin-top:24px}.essay-mapping>.essay-rule-range{margin:0 0 10px}.essay-mapping>h3{margin:0 0 18px}.essay-process{list-style:none;counter-reset:process;padding:0;margin:24px 0;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.essay-process>li{counter-increment:process;display:grid;grid-template-columns:24px minmax(0,1fr);column-gap:12px;padding:16px 20px}.essay-process>li+li{border-top:1px solid var(--line)}.essay-process>li:before{content:"0" counter(process);grid-row:span 2;font:11px/2 Consolas,monospace;color:var(--blue)}.essay-process strong{font-size:14px;font-weight:600}.essay-process span{grid-column:2;font-size:13px;line-height:1.85;color:var(--muted)}
.essay-reference{border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--surface);margin:26px 0}.essay-reference>h4{margin-top:0}.essay-reference p{font-size:14px;line-height:1.95;color:var(--muted)}.essay-reference>.essay-formula{padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:14px;font-weight:500;overflow-wrap:anywhere}.essay-checklist{margin:0 0 24px;padding-left:24px;font-size:15px;line-height:1.9}.essay-checklist>li{padding:4px 0 4px 4px}.essay-checklist>li::marker{color:var(--blue)}.essay-note{padding:16px 20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:13px}
.essay-roadmap{list-style:none;padding:0;margin:28px 0}.essay-roadmap>li{display:grid;grid-template-columns:42px minmax(0,1fr);gap:18px;padding:23px 0;border-top:1px solid var(--line)}.essay-roadmap>li>span{display:grid;place-items:center;align-self:start;width:42px;height:42px;border-radius:12px;background:var(--blue-soft);color:var(--blue);font:13px/1.5 Consolas,monospace}.essay-roadmap h3{margin:0 0 8px;font-size:17px}.essay-roadmap p{font-size:14px;line-height:1.95;color:var(--muted)}.essay-source{margin:32px 0 0;padding:22px;border:1px solid var(--line);background:var(--surface);border-radius:16px}.essay-source>h3{font-size:14px;margin:0 0 10px}.essay-source>p{font-size:12px;color:var(--muted);line-height:1.95}

/* ======================================================================
   Editorial responsive layouts. Mobile remains a true single column.
   ====================================================================== */
@media(max-width:1150px){.case-hero{gap:32px}.case-metric{padding:19px 16px}.case-metric-value{font-size:30px}.case-metric-unit{font-size:15px}.essay-layout{gap:36px;grid-template-columns:164px minmax(0,1fr)}.essay-toc{padding-right:18px}.case-board{padding:22px}.case-problems{gap:16px}.case-note{padding:20px}}
@media(max-width:900px){.case-hero{gap:26px}.case-identity{gap:12px}.case-identity>img{width:46px;height:46px}.case-identity h1{font-size:37px}.case-lead{font-size:17px}.case-problems{grid-template-columns:1fr}.case-note{padding:22px}.case-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.case-metrics:has(>.case-metric:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}.essay-layout{grid-template-columns:minmax(0,1fr);gap:30px}.essay-toc{position:static;display:block;border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px}.essay-toc>ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 16px;margin:0 0 10px}.essay-body{margin:0 auto}.essay-work-card{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr)}.essay-work-title{align-items:start}.essay-work-title h3>span{display:block;margin-left:0;margin-top:4px;font-size:12px}}
@media(max-width:640px){.case-breadcrumb{margin-top:20px}.case-hero{grid-template-columns:minmax(0,1fr);padding:28px 0 30px;gap:32px}.case-identity>img{width:48px;height:48px}.case-identity h1{font-size:38px;letter-spacing:-1.2px}.case-lead{font-size:17px;margin:20px 0}.case-board{padding:22px}.case-board figcaption{font-size:11px}.case-flow{gap:6px}.case-flow>li{padding-inline:6px}.case-flow-four{grid-template-columns:repeat(2,minmax(0,1fr))}.case-jump-list{gap:22px;font-size:11px;padding:8px 0}.case-jump-list>a{min-height:44px}.case-section{padding-top:36px}.case-section-intro{font-size:12px}.case-note{padding:20px}.case-steps>li{grid-template-columns:28px minmax(0,1fr);gap:13px;padding:22px 0}.case-steps h3{font-size:16px}.case-steps p{font-size:13px}.case-step-number{font-size:15px}.case-metrics,.case-metrics:has(>.case-metric:nth-child(3):last-child){grid-template-columns:minmax(0,1fr);gap:14px}.case-metric{padding:22px}.case-metric-value{font-size:35px;margin:12px 0}.case-pager{grid-template-columns:minmax(0,1fr);gap:0;margin:40px 0 30px;padding-top:12px}.case-pager>a{padding:18px 0;min-height:78px}.case-pager>a+a{border-top:1px solid var(--line)}.case-pager>a:nth-child(2),.case-pager>a:last-child{text-align:left}.case-related>.text-link{gap:12px;font-size:11px}.essay-work-card{display:flex}.essay-work-art{min-height:244px;border-right:0;border-bottom:1px solid var(--line);border-radius:17px 17px 0 0}.essay-work-title h3>span{display:inline;margin-left:5px;font-size:11px}.essay-work-title{align-items:center;gap:10px}.essay-work-title h3{font-size:20px}.essay-title{font-size:30px;letter-spacing:-.8px;line-height:1.65}.essay-title>br{display:none}.essay-hero{padding:26px 0 30px}.essay-deck{font-size:15px}.essay-byline>span{display:block;margin-left:0}.essay-layout{padding-top:30px;gap:28px}.essay-toc>ol{grid-template-columns:minmax(0,1fr);gap:0}.essay-toc li>a{min-height:44px}.essay-toc>.eyebrow{margin-bottom:12px}.essay-body{font-size:16px;line-height:1.95}.essay-section{margin-bottom:36px}.essay-section+.essay-section{padding-top:28px}.essay-section h2{font-size:24px}.essay-section h3{font-size:19px}.essay-rule-grid{grid-template-columns:minmax(0,1fr);gap:14px}.essay-rule-card{padding:20px 22px 30px}.essay-rule-count>span{display:inline;margin-left:12px}.essay-rule-card>h3{font-size:16px;margin:9px 0}.essay-rule-card>p{font-size:13px}.essay-quote{padding:18px 20px}.essay-quote>p{font-size:18px}.essay-process>li{padding:15px}.essay-reference{padding:19px}.essay-category{padding:24px 0}.essay-category>.text-link{min-height:44px}.essay-roadmap>li{gap:14px}.essay-note,.essay-source{padding:19px}}
@media(forced-colors:active){.case-board,.case-note,.case-metric,.essay-rule-card,.essay-reference,.essay-source{border-color:CanvasText}.case-button,.case-card-link,.essay-rule-card{color:LinkText}[data-todo]{border-color:CanvasText}}

/* ======================================================================
   YeHub / Language expertise revision. Appended after all existing styles.
   ====================================================================== */
.case-series-marks>span:nth-child(n){background:var(--surface)}
.essay-practice-art{width:min(100%,262px);padding:19px 20px 16px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);color:var(--text);transform:rotate(-3deg)}
.essay-practice-label{display:block;font:8px/1.7 Consolas,monospace;letter-spacing:1px;color:var(--muted);margin-bottom:16px}
.essay-practice-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.essay-practice-inputs>span{padding:6px 2px;border:1px solid var(--line);background:var(--surface);border-radius:6px;text-align:center;font-size:9px;white-space:nowrap}
.essay-practice-connector{width:100%;height:24px;fill:none;stroke:var(--blue);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.essay-practice-core{display:flex;align-items:center;justify-content:center;gap:9px;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--blue-soft);color:var(--blue)}.essay-practice-core>svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.essay-practice-core>strong{font-size:18px;letter-spacing:.5px;font-weight:600}
.essay-practice-outputs{display:flex;justify-content:center;gap:20px;font-size:10px;margin:12px 0;color:var(--muted)}.essay-practice-feedback{display:flex;justify-content:center;align-items:center;gap:5px;border-top:1px solid var(--line);padding-top:10px;font-size:9px;color:var(--blue)}.essay-practice-feedback>svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.case-assets-three{flex-wrap:wrap;gap:10px;padding:16px 12px;font-size:12px}
.case-estimator,.case-module-breakdown{margin-top:24px;border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:0 22px;color:var(--text)}
.case-estimator>summary,.case-module-breakdown>summary{cursor:pointer;font-size:13px;font-weight:600;min-height:56px;padding:17px 0;color:var(--blue)}
.case-estimator>summary:focus-visible,.case-module-breakdown>summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:6px}
.case-estimate-intro,.case-estimate-formula{color:var(--muted);font-size:12px;line-height:1.9;margin:0 0 20px}.case-estimate-fields{min-width:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;border:0;padding:0;margin:0 0 20px}.case-estimate-fields label{display:flex;flex-direction:column;gap:8px;font-size:11px;color:var(--muted);min-width:0;justify-content:space-between}.case-estimate-fields input{width:100%;min-width:0;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:9px 12px;background:var(--card);color:var(--text);font:inherit;font-size:14px;line-height:1.5}.case-estimate-fields input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.case-estimate-fields input:invalid{border-style:dashed}
.case-estimate-summary{font-size:13px;color:var(--blue);line-height:1.9;padding:14px 16px;background:var(--blue-soft);border:1px solid var(--line);border-radius:10px;margin-bottom:16px}
.case-module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-bottom:14px}.case-module-grid h3{font-size:14px;font-weight:600;margin:0 0 8px}.case-module-grid p,.case-module-breakdown>p{font-size:12px;color:var(--muted);line-height:1.9;margin:0 0 18px}
.case-localization-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}.case-localization-note{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.case-localization-note h3{font-size:16px;font-weight:600;margin:0 0 8px;line-height:1.6}.case-localization-note p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.case-localization-note>.case-risk-context{color:var(--blue);font-size:11px;margin-bottom:12px}
.essay-source-list{padding-left:20px;margin:0 0 24px}.essay-source-list>li{padding:8px 0;font-size:14px;line-height:1.9;overflow-wrap:anywhere}.essay-source-list a{color:var(--blue);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}.essay-source-list a:hover{text-decoration-color:var(--blue)}
@media(max-width:900px){.case-estimate-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.case-localization-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.case-estimate-fields,.case-module-grid,.case-localization-grid{grid-template-columns:minmax(0,1fr)}.case-estimator,.case-module-breakdown{padding-inline:18px}.case-estimate-fields label{font-size:12px}.case-estimate-fields input{font-size:16px}.case-localization-note{padding:20px}.essay-practice-art{width:min(100%,250px)}.case-assets-three{gap:7px;font-size:11px}}