:root{--ink:#17202a;--navy:#102b46;--navy-2:#173d5f;--red:#9e3c2f;--red-dark:#742a22;--paper:#f4ead3;--paper-2:#fffaf0;--line:#d1c09f;--muted:#65707a;--white:#fff;--shadow:0 14px 40px rgba(16,43,70,.12);--radius:6px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper-2);color:var(--ink);font-family:ui-serif,Georgia,"Noto Serif CJK SC","Songti SC",serif;line-height:1.75}a{color:inherit;text-underline-offset:.18em}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.skip-link{position:absolute;left:-9999px;top:1rem;z-index:100;background:#fff;padding:.7rem 1rem}.skip-link:focus{left:1rem}.site-header{background:var(--navy);color:#fff;border-bottom:4px solid var(--red);position:sticky;top:0;z-index:30}.header-inner{width:min(1200px,92%);min-height:76px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none}.brand-seal{display:grid;place-items:center;width:42px;height:42px;border:1px solid #decaa4;background:var(--red);font-weight:800}.brand strong,.brand small{display:block}.brand small{font:600 .6rem/1.3 ui-sans-serif,system-ui,sans-serif;letter-spacing:.16em;color:#d7e2e9}.primary-nav{display:flex;align-items:center;gap:1.15rem;font:600 .88rem ui-sans-serif,system-ui,sans-serif}.primary-nav a{text-decoration:none;color:#e8eef3}.primary-nav a:hover,.primary-nav a:focus{color:#f4d8ae}.nav-toggle{display:none;background:transparent;color:#fff;border:1px solid #8093a4;padding:.45rem .7rem}.hero{min-height:690px;background:linear-gradient(102deg,var(--navy) 0 62%,#173852 62%);color:#fff;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:center;padding:5rem max(4vw,calc((100vw - 1200px)/2));gap:4rem;overflow:hidden}.hero h1{font-size:clamp(2.8rem,6vw,5.5rem);line-height:1.06;letter-spacing:-.04em;max-width:10ch;margin:.35rem 0 1.5rem}.kicker,.eyebrow,.section-no{font:800 .75rem/1.4 ui-sans-serif,system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--red)}.hero .kicker{color:#e4bb83}.hero-lead{font-size:1.16rem;max-width:42rem;color:#dbe5ec}.hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin:2rem 0}.button{display:inline-block;text-decoration:none;padding:.78rem 1.15rem;border:1px solid transparent;font:750 .88rem ui-sans-serif,system-ui,sans-serif}.button.primary{background:var(--red);color:#fff}.button.primary:hover{background:var(--red-dark)}.button.secondary{border-color:currentColor}.hero .button.secondary{color:#fff}.trust-row{padding:0;margin:2rem 0 0;display:flex;gap:1.25rem;flex-wrap:wrap;list-style:none;font:650 .78rem ui-sans-serif,system-ui,sans-serif;color:#cfdbe3}.trust-row li::before{content:"◆";color:#d09c68;margin-right:.42rem}.hero-figure{margin:0;position:relative}.hero-figure::before{content:"ARCHIVE 18";position:absolute;right:-2rem;top:-3rem;font:800 5rem ui-sans-serif,system-ui,sans-serif;color:rgba(255,255,255,.05);white-space:nowrap}.hero-figure img{border:1px solid rgba(255,255,255,.3);box-shadow:0 24px 55px rgba(0,0,0,.28)}figcaption{margin-top:.65rem;font:.78rem ui-sans-serif,system-ui,sans-serif;color:#70808c}.hero figcaption,.deep-dive figcaption{color:#b7c4cc}.method-strip{background:var(--paper);border-block:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:3rem;padding:2.3rem max(4vw,calc((100vw - 1200px)/2))}.method-strip h2{margin:.1rem 0;font-size:1.45rem}.method-strip p:last-child{margin:0}.section-shell{width:min(1200px,92%);margin:auto;padding:5rem 0}.section-heading{max-width:720px;margin-bottom:2rem}.section-heading h2,.page-hero h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.18;margin:.25rem 0}.folio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.folio-card{background:var(--paper-2);padding:2rem;text-decoration:none;min-height:250px}.folio-card:hover{background:#f9f0de}.folio-card>span{font-size:2.5rem;color:var(--red);font-weight:800}.folio-card h3{font-size:1.45rem;margin:2rem 0 .4rem}.folio-card p{color:var(--muted);margin:0}.deep-dive{background:var(--navy);color:#fff;padding:5rem max(4vw,calc((100vw - 1200px)/2));display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}.deep-dive h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.2}.evidence-list{list-style:none;padding:0}.evidence-list li{display:grid;grid-template-columns:6rem 1fr;padding:1rem 0;border-top:1px solid #466078}.evidence-list span{color:#cad5dc}.text-link{font-weight:800;color:var(--red);text-decoration:none}.text-link.light{color:#e4bb83}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.card{background:#fff;border:1px solid var(--line);padding:1.6rem;box-shadow:0 5px 14px rgba(16,43,70,.04)}.card h3{font-size:1.3rem;line-height:1.35}.card h3 a{text-decoration:none}.card p{color:#57636d}.faq-shell{padding:5rem max(4vw,calc((100vw - 1200px)/2));background:var(--paper)}.faq-list{max-width:900px}.faq-list details{border-top:1px solid var(--line);padding:1.1rem 0}.faq-list summary{font-weight:800;cursor:pointer}.faq-list p{color:#4d5a64}.reader-notes{width:min(1200px,92%);margin:auto;padding:5rem 0;display:grid;grid-template-columns:.8fr 1.2fr;gap:4rem}.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.quote-grid blockquote{margin:0;background:var(--navy);color:#fff;padding:2rem;border-left:5px solid var(--red)}blockquote cite{font:normal .75rem ui-sans-serif,system-ui,sans-serif;color:#becbd4}.site-footer{background:#0b2034;color:#d9e2e8;padding:4rem max(4vw,calc((100vw - 1200px)/2)) 1.5rem}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:3rem}.footer-grid h2{font-size:1rem;color:#fff}.footer-grid p,.footer-grid a{font-size:.88rem;color:#b9c6cf}.footer-bar{border-top:1px solid #34495a;margin-top:3rem;padding-top:1rem;display:flex;justify-content:space-between;gap:1rem;font:600 .72rem ui-sans-serif,system-ui,sans-serif;color:#91a2ae}.page-hero{background:var(--navy);color:#fff;padding:5rem max(4vw,calc((100vw - 980px)/2)) 4.5rem;border-bottom:8px solid var(--red)}.page-hero>p:last-child{max-width:720px;color:#d5dfe6;font-size:1.08rem}.breadcrumbs{font:.75rem ui-sans-serif,system-ui,sans-serif;color:#9fb2c0}.breadcrumbs a{color:inherit}.list-layout,.author-layout,.tool-layout{display:grid;grid-template-columns:280px 1fr;gap:4rem}.archive-note,.editor-profile,.tool-note{border-top:4px solid var(--red);background:var(--paper);padding:1.5rem;align-self:start;position:sticky;top:104px}.archive-note>span{font-size:3rem;color:var(--red);font-weight:800}.article-stack{display:grid;gap:1rem}.article-stack .card{box-shadow:none}.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.index-chip{padding:1.4rem;background:#fff;text-decoration:none;display:grid;grid-template-columns:auto 1fr auto;gap:.7rem;align-items:center}.index-chip span{color:var(--red);font-weight:900}.index-chip small{color:var(--muted)}.empty-note{padding:1rem;border-left:4px solid var(--red);background:var(--paper)}.editor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.editor-card{background:#fff;border:1px solid var(--line);padding:1.5rem}.editor-card small{color:var(--muted)}.avatar{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:1.4rem;font-weight:800}.avatar.large{width:88px;height:88px;font-size:2rem}.article-shell{width:min(1100px,92%);margin:auto;padding:4rem 0}.article-header{max-width:900px;border-bottom:1px solid var(--line);padding-bottom:2rem}.article-header h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.15;letter-spacing:-.035em}.article-lead{font-size:1.25rem;color:#4d5b65}.byline{display:flex;gap:1rem 2rem;flex-wrap:wrap;font:.78rem ui-sans-serif,system-ui,sans-serif;color:var(--muted)}.article-layout{display:grid;grid-template-columns:240px minmax(0,680px);gap:5rem;padding-top:3rem}.toc{align-self:start;position:sticky;top:105px;border-left:4px solid var(--red);padding-left:1.25rem}.toc h2{font-size:1rem}.toc ol{padding-left:1.2rem}.toc a{font-size:.88rem}.toc p{font-size:.8rem;color:var(--muted)}.prose section{padding:1rem 0 2rem}.prose h2{font-size:2rem;line-height:1.25}.prose p{font-size:1.08rem}.takeaway{background:var(--paper);border:1px solid var(--line);padding:1.5rem!important}.tag-row{display:flex;gap:.6rem;flex-wrap:wrap}.tag-row a{font:.75rem ui-sans-serif,system-ui,sans-serif;background:var(--navy);color:#fff;padding:.45rem .7rem;text-decoration:none}.card-grid.compact{grid-template-columns:repeat(2,1fr)}.tree>ol{list-style:none;padding:0}.tree>ol>li{border-top:1px solid var(--line);padding:1rem 0}.tree summary{display:flex;gap:1rem;font-size:1.35rem;font-weight:800;cursor:pointer}.tree summary span{color:var(--red)}.tree ul{padding-left:3.6rem}.tree li li{margin:.6rem 0}.glossary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.glossary-grid article{border-top:3px solid var(--red);background:#fff;padding:1.4rem;box-shadow:var(--shadow)}.filter-label{display:block;max-width:560px;font-weight:800}.filter-label input{display:block;width:100%;margin-top:.4rem;padding:.8rem;border:1px solid var(--line);background:#fff}.filter-status{font:.78rem ui-sans-serif,system-ui,sans-serif;color:var(--muted)}.tutorial{max-width:920px}.tutorial>ol{list-style:none;padding:0}.tutorial>ol>li{display:grid;grid-template-columns:80px 1fr;gap:1.5rem;padding:2rem 0;border-top:1px solid var(--line)}.tutorial>ol>li>span{color:var(--red);font-size:2.5rem;font-weight:800}.tutorial h2{font-size:2rem;margin:.2rem 0}.callout{background:var(--navy);color:#fff;padding:2rem;border-left:8px solid var(--red)}.checklist-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:4rem}.checklist{padding:0;list-style:none}.checklist li{border-top:1px solid var(--line)}.checklist label{display:flex;gap:1rem;padding:1.25rem 0;cursor:pointer}.checklist input{width:1.25rem;height:1.25rem;accent-color:var(--red);flex:0 0 auto}.legal-note{background:var(--paper);border-top:5px solid var(--red);padding:1.5rem;align-self:start}.info-prose{max-width:800px}.info-prose section{padding-bottom:1.8rem}.not-found{min-height:650px;background:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:4rem 5%}.not-found h1{font-size:clamp(2.4rem,5vw,4rem);max-width:15ch;line-height:1.15}.not-found>p:not(.error-code){max-width:600px}.error-code{font:900 1rem ui-sans-serif,system-ui,sans-serif;color:var(--red);letter-spacing:.2em}
@media(max-width:980px){.primary-nav{display:none;position:absolute;left:0;right:0;top:76px;background:var(--navy);padding:1.5rem 4%;flex-wrap:wrap;border-bottom:4px solid var(--red)}.primary-nav.is-open{display:flex}.nav-toggle{display:block}.hero{grid-template-columns:1fr;padding-top:4rem}.hero-figure{max-width:650px}.folio-grid,.card-grid,.glossary-grid{grid-template-columns:repeat(2,1fr)}.deep-dive{grid-template-columns:1fr}.editor-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr;gap:2rem}.toc{position:static}.list-layout,.author-layout,.tool-layout{grid-template-columns:1fr}.archive-note,.editor-profile,.tool-note{position:static}.checklist-layout{grid-template-columns:1fr}}
@media(max-width:640px){.brand small{display:none}.hero{display:block;min-height:auto;padding-block:3.5rem}.hero-figure{margin-top:3rem}.method-strip,.reader-notes{grid-template-columns:1fr;gap:1.5rem}.folio-grid,.card-grid,.glossary-grid,.index-grid,.editor-grid,.quote-grid,.card-grid.compact{grid-template-columns:1fr}.deep-dive{padding-block:3.5rem}.footer-grid{grid-template-columns:1fr}.footer-bar{display:block}.page-hero{padding-block:3.5rem}.article-header h1{font-size:2.45rem}.tutorial>ol>li{grid-template-columns:50px 1fr}.tutorial>ol>li>span{font-size:1.6rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}