:root{--paper:#fafaf8;--ink:#20262d;--muted:#59636e;--line:#dce0e3;--accent:#244b70;--tint:#eef1f3;--font:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Nanum Gothic",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{background:var(--paper);color:var(--ink);font-family:var(--font);word-break:keep-all;overflow-wrap:anywhere;margin:0;line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin:0}.wrap{max-width:1160px;margin-inline:auto;padding-inline:30px}.skip{background:var(--ink);color:#fff;z-index:10;padding:10px;position:absolute;top:-100px;left:20px}.skip:focus{top:10px}.brand-row{align-items:center;gap:28px;padding:36px 0 28px;display:flex}.wordmark{letter-spacing:-3.5px;font-family:Arial,sans-serif;font-size:55px;font-weight:800;line-height:1}.wordmark span{color:var(--accent)}.brand-description{color:var(--muted);padding-top:9px;font-size:14px}.x-link{margin-left:auto;font-size:14px}.x-link span{color:var(--muted);margin-left:7px}.masthead nav{border-top:2px solid var(--ink);border-bottom:1px solid var(--line);justify-content:space-between;gap:15px;padding:14px 0;font-size:14px;display:flex}.topics-nav,.utility-nav{align-items:center;gap:30px;display:flex}.utility-nav{gap:23px}.utility-nav svg{display:block}[aria-current=page]{color:var(--accent);font-weight:700}.home-intro{color:var(--muted);justify-content:space-between;padding:30px 0;font-size:14px;display:flex}.home-intro a{font-size:12px}.lead-grid{border-bottom:1px solid var(--line);grid-template-columns:1fr 310px;padding-bottom:44px;display:grid}.lead-story{padding:20px 64px 10px 0}.meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:14px;font-size:12px;display:flex}.meta a{color:var(--accent);font-weight:700}.meta>span+span{border-left:1px solid var(--line);padding-left:14px}.lead-story h1{letter-spacing:-1.9px;margin:20px 0;font-size:clamp(32px,3.5vw,44px);line-height:1.35}.lead-description{color:var(--muted);max-width:560px;font-size:17px;line-height:1.85}.lead-foot{color:var(--muted);gap:16px;margin-top:35px;font-size:12px;display:flex}.lead-foot a{color:var(--accent);margin-left:auto;font-size:14px;font-weight:700}.lead-foot a span{margin-left:10px}.reading-note{background:var(--tint);border-top:3px solid var(--accent);padding:25px 28px}.note-label{color:var(--muted);font-size:11px}.reading-note h2{letter-spacing:-.8px;margin:12px 0 20px;font-size:24px;line-height:1.45}.chain{margin:0 0 22px;padding:0;font-size:14px;list-style:none}.chain li{border-top:1px solid #d3dbe1;padding:8px 0}.chain span{color:var(--muted);margin-right:20px;font:11px monospace}.reading-note p{color:var(--muted);font-size:12px;line-height:1.8}.reading-note>a{color:var(--accent);margin-top:15px;font-size:12px;display:inline-block}.latest{max-width:900px;margin-top:34px}.section-heading{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.section-heading h2{letter-spacing:-.5px;font-size:20px}.section-heading>a{color:var(--muted);font-size:12px}.post-row{border-bottom:1px solid var(--line);align-items:center;gap:26px;padding:27px 0;display:flex}.row-number{color:var(--muted);align-self:flex-start;padding-top:4px;font:13px monospace}.post-row-body{flex:1;min-width:0}.post-row h3{letter-spacing:-.7px;margin:7px 0;font-size:23px;line-height:1.5}.post-row p{color:var(--muted);font-size:14px;line-height:1.8}.row-arrow{color:var(--accent);align-self:flex-start;margin-top:20px;font-size:23px}.topic-section{margin-top:58px}.topic-grid{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid}.topic-card{padding:24px 20px 23px 0}.topic-card+.topic-card{border-left:1px solid var(--line);padding-left:24px}.topic-card h3{justify-content:space-between;font-size:18px;display:flex}.topic-card h3 span{color:var(--accent);font-size:15px}.topic-card p{color:var(--muted);margin:12px 0 20px;font-size:13px;line-height:1.8}.topic-count{color:var(--muted);font-size:11px}.author-strip{align-items:center;gap:18px;margin:35px 0 15px;padding:28px 0;display:flex}.author-strip h2{font-size:15px}.author-strip p{color:var(--muted);margin-top:4px;font-size:13px}.author-strip>a{white-space:nowrap;color:var(--accent);margin-left:auto;font-size:12px}footer.wrap{border-top:1px solid var(--line);grid-template-columns:1fr auto;gap:24px;margin-top:65px;padding-top:32px;padding-bottom:28px;display:grid}.footer-brand{letter-spacing:-1px;font:700 24px Arial,sans-serif}footer p{color:var(--muted);margin-top:10px;font-size:12px}.footer-links{color:var(--muted);flex-wrap:wrap;align-self:center;gap:22px;font-size:12px;display:flex}.copyright{grid-column:1/-1;font-size:11px}.page-heading{max-width:750px;padding:48px 0 38px}.eyebrow{color:var(--accent);margin-bottom:12px;font-size:12px}.page-heading h1,.text-page>h1{letter-spacing:-1.5px;font-size:40px;line-height:1.35}.page-heading>p:not(.eyebrow){color:var(--muted);margin-top:17px;font-size:16px}.page-heading>a{color:var(--accent);margin-top:25px;display:inline-block}.archive-list{max-width:900px}.empty-state{padding:35px 0}.empty-state h2{font-size:22px}.empty-state p{color:var(--muted);margin:10px 0 20px}.empty-state a{color:var(--accent)}.article-grid{grid-template-columns:minmax(0,740px) 230px;gap:80px;margin-top:48px;display:grid}.article-header h1{letter-spacing:-1.5px;margin:15px 0 20px;font-size:39px;line-height:1.4}.article-deck{color:var(--muted);font-size:18px;line-height:1.85}.byline{color:var(--muted);border-bottom:1px solid var(--line);flex-wrap:wrap;gap:17px;padding:22px 0 30px;font-size:12px;display:flex}.byline a{color:var(--ink);font-weight:700}.prose{font-size:18px;line-height:1.95}.prose p{margin:25px 0}.prose h2{letter-spacing:-.8px;margin:48px 0 20px;font-size:25px;line-height:1.5}.prose h3{margin:34px 0 16px;font-size:21px}.prose ul,.prose ol{margin:24px 0;padding-left:24px}.prose li{margin:8px 0}.prose a,.sources a{color:var(--accent);text-underline-offset:4px;text-decoration:underline}.prose strong{font-weight:700}.prose blockquote{border-left:3px solid var(--accent);color:var(--muted);margin:30px 0;padding:0 20px}.prose table{border-collapse:collapse;width:100%;margin:30px 0;font-size:14px;line-height:1.7;display:block;overflow-x:auto}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;min-width:110px;padding:13px 16px}.prose th{background:var(--tint);border-top:1px solid var(--ink);font-weight:700}.prose code{background:var(--tint);padding:2px 5px;font-size:.9em}.desktop-toc{padding-top:70px}.desktop-toc>div{position:sticky;top:35px}.desktop-toc p{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:15px;font-size:12px}.desktop-toc ol{color:var(--muted);padding-left:17px;font-size:13px}.desktop-toc li{margin:14px 0}.back-link{margin-top:12px;font-size:12px;display:inline-block}.mobile-toc{display:none}.sources{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:45px;padding:25px 0}.sources h2{font-size:16px}.sources ol{margin:14px 0 0;padding-left:22px;font-size:13px;line-height:1.8}.sources li{margin:10px 0}.article-end{color:var(--muted);margin-top:25px;font-size:12px}.share-actions{flex-wrap:wrap;align-items:center;gap:18px;margin-top:20px;display:flex}.share-actions button{border:1px solid var(--line);color:var(--ink);background:0 0;padding:6px 12px;font-size:12px}.related{max-width:740px;margin-top:70px}.text-page{max-width:740px;margin:55px auto 0}.text-page>.prose{margin-top:30px}.search-page{max-width:740px;min-height:270px}.search-page label{margin-bottom:8px;font-size:13px;display:block}.search-page input{background:#fff;border:1px solid #929eaa;border-radius:0;width:100%;padding:14px 16px;font-size:18px}.search-page>#search-status{color:var(--muted);margin:16px 0;font-size:13px}.search-page ul{padding:0;list-style:none}.search-page li{border-bottom:1px solid var(--line);padding:23px 0}.search-page li>a{font-size:21px;font-weight:700}.search-page li p{color:var(--muted);margin-top:8px;font-size:14px}@media (width<=960px){.lead-grid{grid-template-columns:1fr 280px}.lead-story{padding-right:32px}.article-grid{grid-template-columns:minmax(0,740px);gap:0;max-width:740px;margin-inline:auto}.desktop-toc{display:none}.mobile-toc{background:var(--tint);margin:25px 0;padding:16px 20px;font-size:14px;display:block}.mobile-toc summary{cursor:pointer}.mobile-toc li{margin:9px 0}.brand-description{font-size:12px}.topics-nav{gap:24px}.topic-grid{grid-template-columns:repeat(2,1fr)}.topic-card:nth-child(3){border-left:0;border-top:1px solid var(--line);padding-left:0}.topic-card:nth-child(4){border-top:1px solid var(--line)}footer.wrap{grid-template-columns:1fr}}@media (width<=640px){.wrap{padding-inline:22px}.brand-row{gap:16px;padding:26px 0 23px}.wordmark{letter-spacing:-2.7px;font-size:43px}.brand-description{display:none}.x-link{font-size:13px}.x-link span{font-size:11px}.masthead nav{gap:8px;font-size:12px}.topics-nav{gap:18px}.utility-nav{gap:14px}.utility-nav>a:first-child{display:none}.home-intro{padding:25px 0;font-size:12px}.home-intro a{display:none}.lead-grid{grid-template-columns:1fr;padding-bottom:28px}.lead-story{padding:0}.lead-story h1{letter-spacing:-1.3px;font-size:34px}.lead-description{font-size:16px}.lead-foot{margin-top:25px}.reading-note{margin-top:32px;padding:20px 22px}.reading-note h2{font-size:22px}.reading-note h2 br{display:none}.chain{grid-template-columns:1fr 1fr;gap:0 20px;margin-bottom:15px;display:grid}.reading-note p br{display:none}.reading-note>a{margin-top:12px}.post-row{gap:17px;padding:25px 0}.post-row h3{font-size:21px}.post-row p{font-size:13px}.meta{gap:10px;font-size:11px}.row-arrow{display:none}.section-heading h2{font-size:18px}.latest{margin-top:28px}.topic-section{margin-top:40px}.topic-card{padding:20px 16px 20px 0}.topic-card+.topic-card{padding-left:18px}.topic-card:nth-child(3){padding-left:0}.topic-card h3{font-size:17px}.author-strip{align-items:flex-start;margin-top:25px}.author-strip>a{display:none}.author-strip p{font-size:12px}.author-strip img{width:36px;height:36px}footer.wrap{margin-top:40px;padding-top:25px}.footer-links{gap:17px}.page-heading{padding-top:36px}.page-heading h1,.text-page>h1{font-size:32px}.article-grid{margin-top:35px}.article-header h1{letter-spacing:-1.2px;font-size:31px}.article-deck{font-size:16px}.byline{gap:12px}.prose{font-size:18px;line-height:1.95}.prose h2{margin-top:40px;font-size:23px}.prose table{font-size:13px}.prose th,.prose td{min-width:100px;padding:11px}.text-page{margin-top:38px}.row-number{font-size:11px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.article-image{margin:28px 0}.article-image img,.prose img{max-width:100%;height:auto;display:block}