:root{--paper:#f4eedc;--ink:#242820;--sage:#7e826c;--accent:#d5df79;--line:#f4eedc40}
*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--paper);font:16px/1.7 'PingFang SC','Helvetica Neue',sans-serif}a{color:inherit}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:5px}body:has(dialog[open]){overflow:hidden}
.case-header,.case-content,.case-footer{width:min(1280px,88vw);margin-inline:auto}
.case-header{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:90px;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.1em}.case-header a{min-height:44px;display:flex;align-items:center;text-decoration:none}.case-header a:hover,.case-footer a:hover{color:var(--accent)}.case-header span{opacity:.65}
.case-intro{padding:64px 0 45px}.case-eyebrow{font-size:11px;letter-spacing:.18em;opacity:.7;margin:0 0 23px}.case-intro h1{font-size:clamp(42px,8.2vw,118px);line-height:.95;letter-spacing:-.065em;font-weight:500;margin:0 0 34px}.case-summary{display:grid;grid-template-columns:1fr 1fr;gap:8vw;align-items:start}.case-summary h2{font:500 clamp(21px,2.5vw,32px)/1.4 'Songti SC',serif;margin:0 0 14px}.case-summary p{font-size:14px;line-height:1.9;opacity:.75;max-width:530px;margin:0}.case-facts{display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;margin:0}.case-facts div{border-top:1px solid var(--line);padding-top:11px}.case-facts dt{font-size:10px;letter-spacing:.1em;opacity:.55}.case-facts dd{font-size:13px;margin:6px 0 0}.case-facts a{text-underline-offset:5px}
.case-jump{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:34px}.case-jump a{font-size:12px;min-height:44px;display:flex;align-items:center;text-underline-offset:6px;text-decoration-color:var(--line)}
.case-image{margin:0;background:var(--paper)}.case-image button{display:block;width:100%;padding:0;border:0;background:transparent;cursor:zoom-in;position:relative}.case-image img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}.case-image figcaption{background:var(--ink);color:var(--paper);padding:13px 0 22px;font-size:11px;opacity:.6}.case-chapter{padding-top:72px;scroll-margin-top:24px}.chapter-heading{display:grid;grid-template-columns:1fr 1fr;gap:8vw;border-top:1px solid var(--line);padding:26px 0 32px}.chapter-heading h2{font:500 clamp(27px,3.4vw,46px)/1.25 'Songti SC',serif;margin:0}.chapter-heading h2 small{display:block;font:10px 'Helvetica Neue',sans-serif;letter-spacing:.16em;opacity:.6;margin-bottom:17px}.chapter-heading p{font-size:14px;line-height:1.9;margin:0;opacity:.75;align-self:end}.image-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.case-footer{padding:48px 0 35px;margin-top:50px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:25px;font-size:12px}.case-footer a{min-height:44px;display:flex;align-items:center;text-underline-offset:6px}
#image-viewer{padding:0;border:0;background:var(--ink);color:var(--paper);width:min(1500px,96vw);max-width:96vw;max-height:96svh;overflow:auto}#image-viewer::backdrop{background:#242820ed}.viewer-toolbar{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:12px 18px}.viewer-toolbar p{font-size:12px;flex:1;margin:0}.viewer-toolbar button{min-width:44px;min-height:44px;border:1px solid var(--line);background:transparent;color:var(--paper)}.viewer-toolbar button:disabled{opacity:.3;cursor:default}.viewer-toolbar button:hover:enabled{background:var(--paper);color:var(--ink)}#viewer-image{display:block;width:100%;height:auto;object-fit:contain}.viewer-hint{font-size:11px;opacity:.6;margin:10px 18px 18px}
.concept-notice{margin:0 0 30px;border:1px solid var(--line);padding:13px 16px;font-size:12px;line-height:1.8;color:var(--accent)}
.case-neighbors{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding:30px 0;margin-top:50px}
.case-neighbors a{display:flex;flex-direction:column;justify-content:center;min-height:70px;min-width:0;text-decoration:none;font-size:clamp(18px,2.5vw,30px);letter-spacing:-.03em}
.case-neighbors a:last-child{text-align:right;margin-left:auto}
.case-neighbors small{font-size:10px;letter-spacing:.06em;opacity:.6;margin-bottom:8px}
.case-neighbors a:hover{color:var(--accent)}
@media(max-width:760px){.case-neighbors{gap:16px;padding:20px 0;margin-top:35px}.case-neighbors a{font-size:20px}.case-neighbors small{font-size:9px}}
@media(max-width:760px){.case-header{min-height:72px;font-size:10px}.case-header span{display:none}.case-intro{padding:42px 0 30px}.case-summary,.chapter-heading{grid-template-columns:1fr;gap:24px}.case-intro h1{font-size:clamp(40px,10vw,76px);margin-bottom:28px}.case-summary p,.chapter-heading p{font-size:13px}.case-facts{margin-top:6px}.case-facts dd{font-size:12px}.case-chapter{padding-top:46px}.image-pair{grid-template-columns:1fr;gap:0}.case-footer{align-items:start;font-size:11px;flex-wrap:wrap}.viewer-toolbar{padding:8px;gap:6px}.viewer-toolbar p{font-size:10px}.viewer-hint{display:none}}