/* Editorial layer: shared brand palette, quieter surfaces and accessible reading. */
.editorial{--bg:#070b12;--bg-1:#0d141e;--bg-2:#111e29;--text:#edf2f6;--text-2:#b1becb;--text-dim:#8d9eae;--line:rgba(158,188,207,.2);background:var(--bg);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.8}
.editorial .container{max-width:1248px}
.editorial .nav{top:0;background:rgba(7,11,18,.96);padding-top:20px;padding-bottom:20px}
.editorial .logo-text .en{color:var(--text-2)}
.editorial .nav-links a{font-family:inherit;font-size:13px;letter-spacing:0;padding:8px 14px}
.editorial .nav-cta{font-family:inherit;letter-spacing:0;font-size:12px}
.editorial :focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
.editorial main:focus{outline:none}
.editorial a{color:inherit}
.editorial .text-link{color:var(--cyan)}
.editorial .btn{font-family:inherit;letter-spacing:0;font-size:14px;line-height:1.6;padding:14px 22px;min-height:48px;text-align:center;justify-content:center}
.editorial .btn-primary{color:var(--bg)}
.editorial .btn::before,.editorial .btn::after{display:none}
.editorial .btn-primary:hover{box-shadow:none;background:#7cefff}
.editorial h1,.editorial h2,.editorial h3{font-weight:650;letter-spacing:-.025em}
.editorial h1{font-size:clamp(2rem,4.5vw,3.65rem);line-height:1.3;text-wrap:balance}
.editorial h1 em{font-style:normal;color:var(--cyan)}
.editorial h2{font-size:clamp(1.55rem,2.6vw,2.2rem);line-height:1.45}
.editorial h3{font-size:1.3rem;line-height:1.55}
.editorial p{color:var(--text-2)}
.editorial .eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:1.7px;line-height:1.6;color:var(--cyan);margin-bottom:20px}
.muted,.small-note{color:var(--text-dim);font-size:12px}
.editorial .small-note{margin-top:24px;line-height:1.9}
.editorial .lead{font-size:17px;line-height:1.95;max-width:720px;margin:24px 0 28px}
.editorial-hero{padding:148px 0 64px;border-bottom:1px solid var(--line)}
.hub-hero,.consulting-hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,1fr);gap:64px;align-items:center}
.text-link{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:14px;line-height:1.6;padding:8px 0}
.text-link:hover{text-decoration:underline;text-underline-offset:5px}
.hero-index{border-top:2px solid var(--cyan);padding:28px 0 0;align-self:end}
.hero-index>a{display:flex;align-items:center;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);font-size:16px;text-decoration:none}
.hero-index>a:hover{color:var(--cyan)}
.hero-index>a span{color:var(--text-dim);font-family:var(--font-mono);font-size:12px}
.hero-index>a b{margin-left:auto;font-size:20px;font-weight:400;color:var(--cyan)}
.hero-index>p:last-child{font-size:12px;margin-top:20px}
.content-section{padding:64px 0;scroll-margin-top:104px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:32px}
.section-heading .eyebrow{margin-bottom:12px}
.section-heading>p{max-width:400px;font-size:14px}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line)}
.topic-card{padding:28px;display:flex;flex-direction:column;text-decoration:none;border-right:1px solid var(--line);transition:background .2s}
.topic-card:last-child{border-right:0}
.topic-card:hover{background:var(--bg-2)}
.topic-number{display:flex;justify-content:space-between;font-family:var(--font-mono);color:var(--text-dim);font-size:14px;margin-bottom:44px}
.topic-number span{color:var(--cyan);font-size:22px}
.topic-card .eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:12px}
.topic-card h3{margin-bottom:12px}
.topic-card>p:not(.eyebrow){font-size:14px;line-height:1.8;margin-bottom:24px}
.topic-card .text-link{margin-top:auto}
.article-row{display:grid;grid-template-columns:180px minmax(0,1fr) 48px;gap:28px;padding:30px 0;border-top:1px solid var(--line)}
.article-row:last-child{border-bottom:1px solid var(--line)}
.row-meta{display:flex;flex-direction:column;align-items:start;gap:16px;font-size:12px;color:var(--text-dim)}
.pill{display:inline-block;border:1px solid var(--line);padding:3px 9px;font-size:11px;color:var(--text-2);line-height:1.6}
.article-row h3 a{text-decoration:none}
.article-row h3 a:hover{color:var(--cyan)}
.article-row p{font-size:14px;margin:10px 0}
.article-row time{font-family:var(--font-mono);font-size:11px;color:var(--text-dim)}
.row-arrow{display:flex;align-items:center;justify-content:center;align-self:start;min-height:44px;font-size:23px;text-decoration:none;color:var(--cyan)!important}
.resource-strip{display:flex;align-items:center;gap:32px;background:var(--bg-1);border:1px solid var(--line);padding:36px;margin:20px 0 56px}
.resource-strip>div{flex:1;min-width:0}
.resource-strip .eyebrow{margin-bottom:8px}
.resource-strip h2{font-size:24px;margin-bottom:8px}
.resource-strip p{font-size:14px}
.resource-icon{font-family:var(--font-mono);font-size:40px;font-weight:300;color:var(--cyan)}
.contact-band{display:flex;justify-content:space-between;align-items:center;gap:40px;border-top:1px solid var(--line);padding:60px 0 72px;scroll-margin-top:110px}
.contact-band>div:first-child{max-width:700px}
.contact-band .eyebrow{margin-bottom:12px}
.contact-band h2{font-size:28px;margin-bottom:16px}
.contact-band p{font-size:14px}
.contact-band>.btn{flex-shrink:0}
.contact-email{display:inline-block;margin-top:18px;color:var(--cyan)!important;overflow-wrap:anywhere;font-size:15px}
.editorial-footer{padding:44px 0 24px}
.footer-inner{display:flex;justify-content:space-between;gap:40px}
.footer-brand-name{font-family:var(--font-mono);font-size:16px;letter-spacing:2px;text-decoration:none}
.footer-brand-name span{font-family:inherit;font-size:12px;letter-spacing:0;display:block;margin-top:6px}
.footer-inner p{font-size:12px;margin-top:14px}
.footer-inner nav{display:flex;flex-wrap:wrap;gap:12px 24px;align-content:start;max-width:460px}
.footer-inner nav a{font-size:13px;color:var(--text-2);text-decoration:none;padding:4px 0}
.footer-inner nav a:hover{color:var(--cyan)}
.footer-note{color:var(--text-dim);font-size:11px;margin-top:32px}
.crumbs{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text-dim);margin-bottom:32px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--cyan)}
.topic-context{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:840px;margin-top:36px}
.topic-context p{font-size:14px}
.topic-context span{display:block;color:var(--text);font-weight:600;margin-bottom:6px}
.topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px}
.topic-layout .article-row{grid-template-columns:minmax(0,1fr) 40px;gap:12px}
.topic-layout .row-meta{grid-column:1/-1;flex-direction:row;align-items:center}
.reading-path{padding:64px 0}
.reading-path ol{list-style:none}
.reading-path li{padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}
.reading-path li span{font-family:var(--font-mono);font-size:11px;color:var(--text-dim);margin-right:14px}
.reading-path>p:not(.eyebrow){font-size:12px;margin:20px 0}
.article-header{padding:130px 0 44px;border-bottom:1px solid var(--line);max-width:960px}
.article-header h1{font-size:clamp(2rem,4vw,3.2rem);max-width:950px}
.article-header .lead{max-width:850px;font-size:16px}
.article-byline{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:12px;color:var(--text-dim)}
.article-byline a{text-underline-offset:4px}
.article-layout{display:grid;grid-template-columns:220px minmax(0,780px);gap:64px;padding-top:44px;align-items:start}
.article-toc{position:sticky;top:116px;font-size:13px}
.article-toc ol{list-style:none;border-left:1px solid var(--line);padding-left:16px}
.article-toc li{margin:0 0 14px}
.article-toc a{display:block;text-decoration:none;color:var(--text-2)}
.article-toc a:hover{color:var(--cyan)}
.article-toc>.text-link{margin-top:20px;color:var(--cyan)}
.prose{font-size:16px;line-height:2;min-width:0}
.prose>h2,.prose>section>h2{font-size:25px;margin:48px 0 20px;scroll-margin-top:112px}
.prose>p,.prose>ul,.prose>ol{margin:20px 0}
.prose p,.prose li{color:#c6d1db}
.prose strong{color:var(--text);font-weight:600}
.prose>ol,.prose>ul{padding-left:1.5em}
.prose li{margin:10px 0}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.executive-summary{background:var(--bg-1);border-left:2px solid var(--cyan);padding:24px 28px}
.executive-summary .eyebrow{margin-bottom:12px}
.executive-summary ul{padding-left:18px}
.executive-summary li{font-size:15px;margin:8px 0}
.prose .editor-note{font-size:12px;line-height:1.9;color:var(--text-dim);margin:24px 0 40px}
.callout{border-left:2px solid var(--cyan);padding:20px 24px;background:var(--bg-1);margin:28px 0}
.callout p{font-size:15px;margin-top:8px}
.table-scroll{overflow-x:auto;margin:28px 0;max-width:100%;border:1px solid var(--line)}
.prose table{border-collapse:collapse;width:100%;font-size:14px;min-width:540px;text-align:left}
.prose caption{text-align:left;padding:12px 16px;font-size:12px;color:var(--text-2);background:var(--bg-1)}
.prose th,.prose td{padding:16px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--text-2);min-width:96px}
.prose th{font-weight:600;color:var(--text)}
.prose thead{background:var(--bg-2)}
.method-figure{padding:24px;margin:32px 0;border:1px solid var(--line);background:var(--bg-1)}
.method-figure figcaption{font-size:12px;color:var(--cyan);margin-bottom:20px}
.flow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));list-style:none;gap:12px}
.flow-grid li{margin:0!important;padding:16px;border:1px solid var(--line)}
.flow-grid b,.flow-grid span{display:block;font-size:14px}
.flow-grid span{font-size:12px;color:var(--text-2);margin-top:6px}
.method-figure>p{font-size:12px;margin-top:16px}
.ontology-map{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.ontology-map>div{flex:1;min-width:120px;border:1px solid var(--line);padding:16px}
.ontology-map b,.ontology-map span{display:block}
.ontology-map>div span{font-size:11px;color:var(--text-2);margin-top:6px}
.ontology-map .relation{font-size:11px;color:var(--cyan)}
.sources{border-top:1px solid var(--line);margin-top:48px}
.sources ol{padding-left:20px;font-size:13px}
.sources p{font-size:12px;color:var(--text-dim);margin-top:18px}
.series-pagination{display:flex;gap:24px;justify-content:space-between;margin:32px 0}
.series-pagination a{max-width:48%;font-size:14px}
.series-pagination span{display:block;font-size:11px;color:var(--text-dim)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.consulting-hero{gap:48px;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr)}
.consulting-hero h1{font-size:clamp(2rem,4.4vw,3.5rem)}
.service-map{border:1px solid var(--line);padding:28px;background:var(--bg-1)}
.service-map>div{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.service-map>div>span{color:var(--cyan);font:12px var(--font-mono);padding-top:6px}
.service-map b{color:var(--text);font-size:15px;font-weight:500}
.service-map small{display:block;font-size:12px;margin-top:6px}
.service-map>.text-link{margin-top:20px}
.problem-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.problem-grid article{padding-top:24px;border-top:1px solid var(--line)}
.problem-grid h3{font-size:19px;margin:12px 0}
.problem-grid p:not(.eyebrow){font-size:14px}
.service-rows article{display:grid;grid-template-columns:48px minmax(0,1.5fr) minmax(200px,1fr);gap:32px;border-top:1px solid var(--line);padding:32px 0}
.service-number{font:16px var(--font-mono);color:var(--cyan);padding-top:8px}
.service-rows h3{margin-bottom:12px}
.service-rows p,.service-rows li{font-size:14px;color:var(--text-2)}
.service-rows ul{padding-left:20px;align-self:center}
.section-footnote{font-size:12px;border-top:1px solid var(--line);padding-top:20px}
.method-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;list-style:none}
.method-steps li{border:1px solid var(--line);padding:24px}
.method-steps span{font:12px var(--font-mono);color:var(--cyan)}
.method-steps h3{font-size:18px;margin:16px 0 6px}
.method-steps p{font-size:13px}
.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.practice-grid img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line)}
.practice-grid figcaption{padding:24px 0}
.practice-grid h3{margin:10px 0 6px}
.practice-grid p{font-size:14px}
.section-link{margin-top:8px}
.latest-heading{margin-top:48px}
.faq-section{display:grid;grid-template-columns:1fr 1.6fr;gap:64px}
.faq-list details{border-top:1px solid var(--line);padding:20px 0}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{font-size:16px;cursor:pointer;padding-right:16px}
.faq-list p{font-size:14px;margin:16px 0 0}
.resource-prose{max-width:820px;margin:48px auto 64px}
.worksheet{border:1px solid var(--line);padding:20px 24px;margin:24px 0}
.worksheet>div{display:flex;flex-wrap:wrap;gap:12px;border-bottom:1px solid var(--line);padding:12px 0}
.worksheet>div:last-child{border:0}
.worksheet dt{min-width:170px;font-size:14px}
.worksheet dd{color:var(--text-dim);max-width:100%;overflow:hidden}
@media(min-width:1025px) and (max-width:1150px){.editorial .nav{padding-left:24px;padding-right:24px}.editorial .nav-links a{padding:8px 10px}}
@media(max-width:1024px){.hub-hero,.consulting-hero{grid-template-columns:1fr;gap:40px}.hero-index{max-width:600px;width:100%}.service-map{max-width:660px;width:100%}.topic-card{padding:22px}.article-layout{grid-template-columns:180px minmax(0,1fr);gap:32px}.topic-layout{grid-template-columns:1fr;gap:0}.reading-path{padding:0 0 48px}.article-row{grid-template-columns:145px minmax(0,1fr) 36px;gap:20px}.contact-band{align-items:start;flex-direction:column;gap:24px}.faq-section{grid-template-columns:1fr;gap:28px}.resource-strip{flex-wrap:wrap}.resource-strip .btn{margin-left:0}}
@media(max-width:767px){.editorial-hero{padding:116px 0 40px}.editorial .lead{font-size:16px}.editorial .nav{padding:16px 20px}.editorial .nav-cta{display:none}.topic-grid{grid-template-columns:1fr}.topic-card{border-right:0;border-bottom:1px solid var(--line);padding:24px}.topic-card:last-child{border-bottom:0}.topic-number{margin-bottom:24px}.content-section{padding:44px 0}.section-heading{align-items:start;flex-direction:column;gap:16px}.article-row{grid-template-columns:minmax(0,1fr) 32px;gap:12px}.row-meta{grid-column:1/-1;flex-direction:row;align-items:center}.article-row h3{font-size:18px}.resource-strip{padding:24px;gap:20px;margin:12px 0 36px}.resource-icon{font-size:28px}.resource-strip>div{flex-basis:calc(100% - 64px)}.resource-strip .btn{width:100%}.contact-band{padding:40px 0 48px}.contact-band h2{font-size:24px}.footer-inner{flex-direction:column;gap:24px}.topic-context{grid-template-columns:1fr;gap:20px}.article-header{padding-top:110px;padding-bottom:32px}.article-layout{grid-template-columns:1fr;padding-top:24px;gap:28px}.article-toc{position:static;padding-bottom:20px;border-bottom:1px solid var(--line)}.article-toc ol{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}.article-toc li{margin:0;font-size:12px}.prose{font-size:16px}.prose>h2,.prose>section>h2{font-size:23px}.executive-summary{padding:20px}.problem-grid{grid-template-columns:1fr;gap:24px}.service-rows article{grid-template-columns:32px minmax(0,1fr);gap:16px}.service-rows ul{grid-column:2}.method-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.method-steps li{padding:20px}.practice-grid{grid-template-columns:1fr;gap:20px}.consulting-hero .hero-actions{flex-direction:column;align-items:stretch}.method-figure{padding:18px}.flow-grid{grid-template-columns:1fr}.resource-prose{margin-top:32px}.ontology-map{flex-direction:column;align-items:stretch}.ontology-map .relation{text-align:center}.contact-band .btn{max-width:100%}}
@media(max-width:359px){.editorial h1{font-size:29px}.article-toc ol{grid-template-columns:1fr}.method-steps{grid-template-columns:1fr}.worksheet{padding:16px}.resource-strip{padding:20px}.row-meta{flex-wrap:wrap}.service-map{padding:20px}}
@media(max-width:1024px){.editorial .nav:not([data-menu-ready]){position:static;flex-wrap:wrap;gap:20px}.editorial .nav:not([data-menu-ready]) .nav-links{display:flex;flex-wrap:wrap;order:3;width:100%}.editorial .nav:not([data-menu-ready]) .nav-toggle{display:none}.editorial:has(.nav:not([data-menu-ready])) .editorial-hero,.editorial:has(.nav:not([data-menu-ready])) .article-header{padding-top:44px}}
@media print{.editorial{background:#fff;color:#111}.editorial header:has(>.nav),.editorial-footer,.hero-actions,.contact-band,.skip-link,.article-toc{display:none!important}.editorial .container{padding:0;max-width:none}.article-header{padding-top:0}.editorial p,.prose p,.prose li,.prose td,.prose th,.editorial h1 em,.editorial a{color:#111!important}.resource-prose{max-width:none}.prose table{min-width:0;font-size:10pt}.table-scroll{overflow:visible}.editorial{--line:#bbb;--bg-1:#f4f4f4;--bg-2:#eee;--text:#111;--text-2:#333;--text-dim:#555}.editorial .eyebrow{color:#333}.prose h2{break-after:avoid}.method-figure,.worksheet{break-inside:avoid}}