@charset "UTF-8";
/* The visual system is editorial: restrained ink, warm paper and luminous citrus. */
:root {
  color-scheme: light;
  --ink:#142a31;--ink-soft:#34515a;--ink-faint:#60757b;
  --paper:#f7f6f0;--white:#ffffff;--cream:#f0efe5;--surface:#e9eee9;
  --hair:#cdd6d0;--mint:#d5eee1;--lime:#e7ed81;--accent:#c4d653;
  --focus:#377560;--shadow:0 22px 60px rgba(15,44,40,.13);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif CJK SC","Songti SC","SimSun",serif;
  --ease:cubic-bezier(.22,.61,.36,1);--edge:clamp(20px,4.5vw,84px);
  --container:1560px;--radius-sm:10px;--radius:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.8 var(--font-sans);-webkit-font-smoothing:antialiased;min-width:320px}
body::selection{background:var(--lime);color:var(--ink)}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:3px}
h1,h2,h3,h4,p,ul,ol{margin-top:0}
h1,h2,h3{line-height:1.25;letter-spacing:-.035em}
h1{font-weight:650}h2{font-weight:630}h3{font-weight:620}
p{max-width:72ch}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;z-index:400;left:16px;top:-80px;padding:12px 20px;background:var(--ink);color:#fff;transition:top .18s}
.skip-link:focus{top:14px}
.site-shell{max-width:1900px;margin-inline:auto;overflow:clip}
.site-header{min-height:110px;padding:18px var(--edge);display:flex;align-items:center;justify-content:space-between;gap:clamp(20px,3vw,52px);background:var(--paper);border-bottom:1px solid var(--hair);position:relative;z-index:50}
.site-identity{display:inline-flex;align-items:center;gap:12px;min-width:fit-content}
.brand-symbol{width:35px;height:35px;position:relative;display:inline-block;transform:rotate(-18deg)}
.brand-symbol span{position:absolute;display:block;background:var(--ink);border-radius:50%}
.brand-symbol span:nth-child(1){width:20px;height:20px;left:1px;top:2px}
.brand-symbol span:nth-child(2){width:20px;height:20px;right:0;bottom:0;background:var(--accent)}
.brand-symbol span:nth-child(3){width:11px;height:11px;right:1px;top:0;background:var(--ink-soft)}
.brand-name{font-size:25px;font-weight:760;letter-spacing:-.07em;line-height:1}
.brand-caption{display:block;font-size:11px;font-weight:600;color:var(--ink-faint);letter-spacing:.22em;border-left:1px solid var(--hair);padding-left:13px;margin-left:3px;align-self:center;white-space:nowrap}
.primary-nav ul{display:flex;align-items:center;justify-content:flex-end;gap:clamp(12px,1.7vw,31px);list-style:none;margin:0;padding:0}
.primary-nav li{flex:none}
.primary-nav a{display:inline-flex;position:relative;align-items:center;padding:12px 0;font-size:13px;font-weight:650;letter-spacing:.035em;color:var(--ink-soft);transition:color .2s}
.primary-nav a::after{content:"";position:absolute;bottom:5px;left:0;right:100%;height:2px;background:var(--ink);transition:right .24s var(--ease)}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{color:var(--ink)}
.primary-nav a:hover::after,.primary-nav a[aria-current="page"]::after{right:0}
.menu-toggle{display:none}
.eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--font-sans);font-weight:750;font-size:11px;line-height:1.5;letter-spacing:.17em;color:var(--ink-soft);text-transform:uppercase;margin-bottom:24px}
.eyebrow-line{height:2px;width:34px;background:var(--accent);display:inline-block}
.button{display:inline-flex;justify-content:space-between;align-items:center;gap:30px;min-height:54px;padding:13px 23px;font-size:13px;letter-spacing:.03em;font-weight:720;border:1px solid transparent;border-radius:100px;transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease),box-shadow .25s}
.button:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(5,28,25,.12)}
.button span{font-size:17px;line-height:1}
.button-primary{background:var(--ink);color:#fff}
.button-primary:hover{background:#25454b}
.button-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.button-outline:hover{background:var(--surface)}
.button-light{background:var(--lime);color:var(--ink)}
.button-light:hover{background:#fafca9}
.text-link{display:inline-flex;align-items:center;gap:15px;font-size:14px;font-weight:730;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:6px;transition:gap .2s var(--ease),color .2s}
.text-link:hover{gap:24px;color:#456b43}
.home-intro{min-height:680px;display:grid;grid-template-columns:minmax(0,1.14fr) minmax(0,.86fr);background:var(--paper);position:relative}
.home-intro__copy{padding:clamp(76px,8.6vw,142px) clamp(34px,6vw,104px) 90px var(--edge);position:relative;z-index:2}
.home-intro h1{font-size:clamp(47px,5.6vw,100px);line-height:1.22;letter-spacing:-.085em;margin:0 0 32px;white-space:nowrap}
.display-accent{position:relative;z-index:0;white-space:nowrap}
.display-accent::after{content:"";position:absolute;z-index:-1;left:0;right:-.06em;height:.23em;bottom:.02em;background:var(--lime);border-radius:2px;transform:rotate(-2deg)}
.home-intro__lead{font-size:clamp(16px,1.4vw,19px);line-height:1.9;max-width:37em;color:var(--ink-soft);margin-bottom:40px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px}
.home-intro__visual{background:#cedbd1;min-height:100%;position:relative;overflow:hidden}
.home-intro__visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,25,28,.03) 40%,rgba(5,25,28,.62));pointer-events:none}
.home-intro__visual img{height:100%;width:100%;object-fit:cover;object-position:center}
.visual-caption{position:absolute;z-index:1;left:40px;right:40px;bottom:30px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.6);padding-top:17px;color:white;font-size:12px;font-weight:600;letter-spacing:.12em}
.home-index{padding:clamp(75px,9vw,136px) var(--edge) clamp(96px,10vw,150px)}
.section-heading{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:45px}
.section-heading .eyebrow{margin-bottom:13px}
.section-heading h2{font-size:clamp(33px,3.5vw,60px);letter-spacing:-.067em;margin:0 0 16px}
.section-heading>p:not(.eyebrow){font-size:16px;color:var(--ink-soft);max-width:720px;margin:0}
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair)}
.feature-card{background:var(--paper);padding:clamp(25px,2.9vw,46px);min-height:348px;display:flex;align-items:flex-start;flex-direction:column;transition:background .28s}
.feature-card:hover{background:var(--white)}
.feature-card__meta{font-size:11px;letter-spacing:.14em;color:var(--ink-faint);font-weight:720;margin-bottom:42px}
.feature-card h3{font-size:clamp(23px,2vw,32px);letter-spacing:-.057em;line-height:1.35;margin-bottom:20px}
.feature-card h3 a{border-bottom:2px solid transparent;transition:border-color .2s}
.feature-card h3 a:hover{border-color:var(--accent)}
.feature-card p{font-size:14px;line-height:1.9;color:var(--ink-soft);margin:0 0 24px}
.feature-card .text-link{margin-top:auto;font-size:12px}
.editorial-split{display:grid;grid-template-columns:1fr 1fr;background:var(--ink);color:white;min-height:650px}
.editorial-split__art{overflow:hidden;min-height:550px;background:#2c4d50}
.editorial-split__art img{width:100%;height:100%;object-fit:cover}
.editorial-split__text{padding:clamp(64px,7vw,124px) clamp(40px,6.5vw,113px);align-self:center}
.editorial-split .eyebrow{color:var(--lime)}
.editorial-split h2{font-size:clamp(35px,4vw,69px);letter-spacing:-.07em;line-height:1.35;margin-bottom:34px}
.editorial-split p:not(.eyebrow){font-size:15px;line-height:2.1;color:#d5deda;margin-bottom:22px}
.editorial-split .text-link{margin-top:10px;color:var(--lime);border-color:var(--lime)}
.home-notes{padding:clamp(85px,10vw,165px) var(--edge)}
.note-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,4vw,68px)}
.note-columns article{border-top:2px solid var(--ink);padding-top:20px}
.note-columns article>span{font:700 11px var(--font-sans);letter-spacing:.2em;color:var(--ink-faint)}
.note-columns h3{font-size:clamp(24px,2.2vw,35px);margin:22px 0 14px}
.note-columns p{font-size:15px;line-height:1.95;color:var(--ink-soft)}
.home-end{background:#d8e7d7;padding:clamp(55px,6vw,100px) var(--edge);display:flex;justify-content:space-between;align-items:center;gap:30px}
.home-end h2{font-size:clamp(32px,3.8vw,63px);max-width:750px;margin:0 0 18px}
.home-end p:not(.eyebrow){margin:0;color:var(--ink-soft)}
.home-end .button{flex:none}
.site-footer{background:#12262c;color:white;padding:70px var(--edge) 25px}
.footer-main{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;padding-bottom:65px}
.footer-brand{font-size:31px;font-weight:750;letter-spacing:-.07em;margin-bottom:18px}
.footer-brand span{font-size:10px;color:var(--lime);letter-spacing:.18em;font-weight:700;vertical-align:middle;margin-left:6px}
.site-footer p{font-size:13px;color:#acbfbe}
.site-footer nav ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 22px;list-style:none;margin:0;padding:13px 0 0}
.site-footer nav a{font-size:13px;color:#e3eae6;transition:color .2s}
.site-footer nav a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #3a5255;display:flex;align-items:center;justify-content:space-between;padding-top:22px;color:#9db1b2;font-size:12px}
.footer-bottom a:hover{color:#fff}
.breadcrumb{display:flex;align-items:center;gap:13px;font-size:12px;color:var(--ink-faint);margin-bottom:68px}
.breadcrumb a{border-bottom:1px solid transparent}
.breadcrumb a:hover{border-color:currentColor}
.interior-hero{min-height:520px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);background:var(--cream);border-bottom:1px solid var(--hair)}
.interior-hero__copy{padding:38px clamp(40px,6.5vw,100px) 84px var(--edge);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.interior-hero__copy .breadcrumb{align-self:stretch;justify-self:flex-start;margin-bottom:auto}
.interior-hero__copy .eyebrow{margin:35px 0 22px}
.interior-hero h1{font-size:clamp(43px,4.8vw,82px);line-height:1.27;letter-spacing:-.075em;margin:0 0 29px;max-width:12em}
.interior-hero__copy>p:last-child{font-size:16px;line-height:1.95;max-width:43em;color:var(--ink-soft)}
.interior-hero__image{overflow:hidden;min-height:520px;background:#d5e1d7}
.interior-hero__image img{width:100%;height:100%;object-fit:cover}
.content-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:clamp(40px,7vw,120px);padding:clamp(55px,7vw,114px) var(--edge) 50px}
.chapter-nav{align-self:stretch}
.chapter-nav__sticky{position:sticky;top:25px;border-top:2px solid var(--ink);padding-top:20px}
.chapter-nav__sticky>p{font-size:12px;letter-spacing:.14em;font-weight:750;color:var(--ink-faint);margin-bottom:25px}
.chapter-nav ol{list-style:none;margin:0;padding:0;counter-reset:chapters}
.chapter-nav li{counter-increment:chapters;border-bottom:1px solid var(--hair)}
.chapter-nav a{display:grid;grid-template-columns:25px 1fr;gap:10px;padding:16px 3px;font-size:13px;line-height:1.6;color:var(--ink-soft);transition:color .2s,padding .2s}
.chapter-nav a::before{content:counter(chapters,decimal-leading-zero);font-size:10px;font-weight:750;color:var(--ink-faint);padding-top:2px}
.chapter-nav a:hover,.chapter-nav a.is-active{color:var(--ink);padding-left:8px}
.chapter-body{min-width:0}
.reading-section{display:grid;grid-template-columns:54px 1fr;gap:23px;padding:0 0 clamp(55px,6vw,110px);margin-bottom:clamp(55px,6vw,105px);border-bottom:1px solid var(--hair);scroll-margin-top:45px}
.reading-section:last-child{border-bottom:0;margin-bottom:0}
.section-number{font-size:13px;color:var(--ink-faint);font-weight:750;letter-spacing:.12em;padding-top:15px}
.reading-section__body{max-width:840px}
.reading-section h2{font-size:clamp(29px,3.2vw,51px);margin:0 0 27px;letter-spacing:-.065em}
.reading-section p{font-size:15px;line-height:2.15;color:var(--ink-soft);margin-bottom:21px;max-width:67ch}
.reading-section .section-lead{font-size:19px;line-height:1.85;color:var(--ink);font-weight:570;margin-bottom:30px}
.detail-list{margin:30px 0 35px;padding:0 0 0 26px;max-width:68ch}
.detail-list li{color:var(--ink-soft);font-size:14px;line-height:1.95;padding-left:4px}
.detail-list li::marker{color:#67917a}
.inline-note{background:var(--surface);padding:27px 32px;border-left:3px solid var(--accent);margin-top:34px;max-width:750px}
.inline-note strong{display:block;font-size:12px;color:var(--ink);margin-bottom:8px;letter-spacing:.07em}
.inline-note p{font-size:14px;margin:0;max-width:unset}
.examples{padding:clamp(60px,7vw,110px) var(--edge);background:#e6eee5}
.example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.example{background:var(--paper);padding:clamp(28px,3.2vw,54px);min-height:300px;border-radius:3px}
.example h3{font-size:clamp(22px,2.2vw,34px);margin-bottom:25px}
.example p{font-size:14px;line-height:2.05;color:var(--ink-soft)}
.example .example-conclusion{color:var(--ink);border-top:1px solid var(--hair);padding-top:18px;margin-top:30px;font-weight:540}
.related-strip{padding:clamp(70px,7vw,120px) var(--edge);display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(30px,5vw,90px)}
.related-strip h2{font-size:clamp(33px,4vw,62px);margin:0}
.related-links{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;align-content:start}
.related-links a{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--hair);padding:17px 4px;font-size:14px;font-weight:650;transition:padding .2s,background .2s}
.related-links a:hover{padding-left:12px;background:#ecf0ea}
.related-links span{font-size:17px}
.faq-hero{padding:40px var(--edge) clamp(80px,8vw,142px);background:var(--ink);color:#fff}
.faq-hero .breadcrumb{color:#b8c9c6;margin-bottom:85px}
.faq-hero .eyebrow{color:var(--lime)}
.faq-hero h1{font-size:clamp(46px,6vw,104px);line-height:1.23;max-width:1200px;margin-bottom:28px}
.faq-hero h1 em{font-family:var(--font-serif);color:var(--lime);font-style:normal;font-weight:400}
.faq-hero>p:last-child{max-width:700px;color:#c0d0cc;font-size:16px;line-height:2}
.faq-layout{padding:clamp(60px,7.5vw,120px) var(--edge);display:grid;grid-template-columns:minmax(0,1.6fr) minmax(290px,.7fr);gap:clamp(35px,7vw,115px)}
.faq-item{border-bottom:1px solid var(--hair);scroll-margin-top:30px}
.faq-item:first-child{border-top:2px solid var(--ink)}
.faq-item summary{font-size:clamp(16px,1.55vw,22px);font-weight:650;line-height:1.6;cursor:pointer;padding:24px 49px 24px 5px;list-style:none;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:6px;top:23px;font-size:25px;font-weight:400;line-height:1.2;transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 55px 25px 5px;animation:reveal .28s var(--ease)}
.faq-answer p{max-width:75ch;color:var(--ink-soft);line-height:2;margin:0;font-size:15px}
.faq-aside{align-self:start;position:sticky;top:30px;background:var(--surface);padding:20px 20px 38px}
.faq-aside img{width:100%;aspect-ratio:1.2;object-fit:cover;background:#cadbd1}
.faq-aside h2{font-size:25px;line-height:1.4;margin:26px 15px 16px}
.faq-aside p{margin:0 15px 25px;font-size:14px;line-height:2;color:var(--ink-soft)}
.faq-aside .text-link{margin-left:15px}
.glossary{padding:clamp(70px,8vw,125px) var(--edge);background:var(--cream)}
.glossary-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:0 0 34px}
.glossary-toolbar label{font-size:13px;font-weight:700;letter-spacing:.035em}
.glossary-toolbar input{min-width:min(100%,330px);border:1px solid var(--hair);border-radius:40px;background:var(--white);color:var(--ink);font-size:14px;padding:12px 19px;transition:border-color .2s,box-shadow .2s}
.glossary-toolbar input:focus{outline:2px solid var(--focus);outline-offset:2px}
.glossary-toolbar input::placeholder{color:#859495}
#term-count{color:var(--ink-faint);font-size:12px}
.glossary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair)}
.term-card{background:var(--cream);padding:25px 24px 29px;min-height:215px}
.term-card[hidden]{display:none}
.term-card h3{font-size:21px;margin-bottom:18px}
.term-card p{font-size:13px;line-height:1.85;color:var(--ink-soft);margin-bottom:11px}
.term-card p:last-child{margin:0;color:var(--ink-faint)}
.no-results{padding:30px;color:var(--ink-soft)}
.not-found{min-height:560px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:90px var(--edge)}
.not-found h1{font-size:clamp(42px,5vw,80px);margin:10px 0 30px}
.not-found p:not(.eyebrow){color:var(--ink-soft);margin-bottom:36px}
@keyframes reveal{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:translateY(0)}}
@media (min-width:1901px){body{background:#e9ece6}.site-shell{box-shadow:0 0 130px rgba(7,32,35,.08)}}
@media (max-width:1320px){
 .site-header{gap:16px}.brand-caption{display:none}.brand-name{font-size:23px}
 .primary-nav ul{gap:16px}.primary-nav a{font-size:12px}
 .home-intro h1{font-size:clamp(49px,5vw,78px)}
 .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .feature-card{min-height:315px}.feature-card__meta{margin-bottom:22px}
 .content-layout{grid-template-columns:260px minmax(0,1fr);gap:50px}
 .glossary-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1020px){
 .site-header{min-height:85px}.site-identity{margin-right:auto}
 .menu-toggle{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;border:1px solid var(--hair);background:transparent;width:46px;height:46px;border-radius:50%;z-index:61}
 .menu-toggle span{height:2px;width:19px;background:var(--ink);display:block;transition:transform .2s,opacity .2s}
 .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
 .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
 .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
 .primary-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);padding:15px var(--edge) 27px;border-bottom:1px solid var(--hair);box-shadow:0 22px 25px rgba(9,35,31,.08)}
 .primary-nav.is-open{display:block}
 .primary-nav ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 20px}
 .primary-nav a{font-size:15px;padding:14px 0;border-bottom:1px solid var(--hair);width:100%}
 .primary-nav a::after{display:none}
 .home-intro{min-height:0;grid-template-columns:1fr 44%}
 .home-intro__copy{padding:85px 35px 85px var(--edge)}
 .home-intro h1{font-size:clamp(40px,5vw,60px)}
 .hero-actions{gap:10px}.button{min-height:50px;padding:12px 19px;gap:15px}
 .editorial-split__text{padding:60px 42px}
 .interior-hero{grid-template-columns:1.2fr .8fr;min-height:480px}
 .interior-hero__image{min-height:480px}
 .interior-hero h1{font-size:clamp(39px,4.8vw,56px)}
 .content-layout{grid-template-columns:1fr;gap:55px}
 .chapter-nav__sticky{position:static}
 .chapter-nav ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 15px}
 .chapter-nav a{font-size:12px}
 .reading-section{max-width:920px}
 .faq-layout{grid-template-columns:1.4fr .8fr;gap:35px}
 .faq-aside{position:static}
 .glossary-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:760px){
 :root{--edge:22px}
 body{font-size:15px}
 .site-header{min-height:74px;padding-block:13px}
 .brand-symbol{height:30px;width:30px}.brand-symbol span:nth-child(1),.brand-symbol span:nth-child(2){height:18px;width:18px}
 .brand-name{font-size:23px}
 .home-intro{display:flex;flex-direction:column}
 .home-intro__copy{padding:75px var(--edge) 67px}
 .home-intro h1{font-size:clamp(42px,9vw,75px);white-space:normal;margin-bottom:25px}
 .home-intro__lead{font-size:16px;line-height:1.9}
 .home-intro__visual{height:330px;min-height:0}
 .visual-caption{left:22px;right:22px;bottom:20px}
 .home-index{padding-block:75px 85px}
 .section-heading h2{font-size:clamp(32px,7.5vw,51px)}
 .topic-grid{grid-template-columns:1fr}
 .feature-card{min-height:255px;padding:28px 30px}
 .feature-card__meta{margin-bottom:16px}
 .feature-card h3{font-size:27px;margin-bottom:10px}
 .feature-card p{margin-bottom:16px}
 .editorial-split{grid-template-columns:1fr}
 .editorial-split__art{min-height:0;height:340px}
 .editorial-split__text{padding:65px var(--edge) 70px}
 .editorial-split h2{font-size:clamp(35px,8.3vw,56px)}
 .home-notes{padding-block:80px}
 .note-columns{grid-template-columns:1fr;gap:25px}
 .note-columns h3{font-size:28px;margin:15px 0 9px}
 .home-end{flex-direction:column;align-items:flex-start;padding-block:65px}
 .home-end h2{font-size:clamp(34px,8vw,55px)}
 .site-footer{padding-top:60px}
 .footer-main{grid-template-columns:1fr;gap:25px;padding-bottom:50px}
 .site-footer nav ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
 .interior-hero{display:flex;flex-direction:column}
 .interior-hero__copy{padding:27px var(--edge) 65px}
 .interior-hero__copy .breadcrumb{margin-bottom:55px}
 .interior-hero__copy .eyebrow{margin:0 0 22px}
 .interior-hero h1{font-size:clamp(42px,9vw,70px)}
 .interior-hero__image{height:280px;min-height:0}
 .content-layout{padding-block:65px 0;gap:60px}
 .chapter-nav ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px}
 .reading-section{grid-template-columns:1fr;gap:10px;padding-bottom:65px;margin-bottom:65px}
 .section-number{padding:0}
 .reading-section h2{font-size:clamp(29px,7.5vw,46px)}
 .reading-section .section-lead{font-size:18px}
 .reading-section p{font-size:14px;line-height:2}
 .inline-note{padding:24px}
 .examples{padding-block:75px}
 .example-grid{grid-template-columns:1fr;gap:12px}
 .example{min-height:0;padding:28px}
 .related-strip{grid-template-columns:1fr;padding-block:70px;gap:24px}
 .faq-hero{padding-block:28px 80px}
 .faq-hero .breadcrumb{margin-bottom:65px}
 .faq-hero h1{font-size:clamp(45px,9vw,75px)}
 .faq-layout{grid-template-columns:1fr;padding-block:70px;gap:60px}
 .faq-aside{max-width:530px}
 .glossary{padding-block:80px}
 .glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:490px){
 :root{--edge:17px}
 .primary-nav ul{grid-template-columns:1fr}
 .brand-name{font-size:22px}
 .home-intro__copy{padding-top:58px}
 .home-intro h1{font-size:clamp(38px,10.5vw,53px);line-height:1.34}
 .hero-actions{display:grid;grid-template-columns:1fr}
 .hero-actions .button{width:100%}
 .home-intro__visual{height:270px}
 .section-heading{margin-bottom:30px}
 .section-heading h2{font-size:32px}
 .feature-card{padding:25px;min-height:0}
 .editorial-split__art{height:280px}
 .editorial-split h2{font-size:36px}
 .note-columns h3{font-size:25px}
 .home-end h2{font-size:35px}
 .site-footer nav ul{gap:10px 6px}
 .footer-bottom{gap:10px;flex-wrap:wrap}
 .interior-hero h1{font-size:40px}
 .interior-hero__image{height:230px}
 .breadcrumb{margin-bottom:40px}
 .chapter-nav ol{grid-template-columns:1fr}
 .chapter-nav a{font-size:13px;padding-block:13px}
 .reading-section h2{font-size:30px}
 .reading-section .section-lead{font-size:17px}
 .related-links{grid-template-columns:1fr}
 .faq-hero h1{font-size:43px}
 .faq-item summary{font-size:17px;padding-right:40px}
 .faq-answer{padding-right:10px}
 .glossary-toolbar{align-items:flex-start;flex-direction:column}
 .glossary-toolbar input{width:100%}
 .glossary-grid{grid-template-columns:1fr}
 .term-card{min-height:0;padding:26px}
}
@media (prefers-reduced-motion:reduce){
 *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
@media print{
 :root{--paper:#fff;--ink:#000;--ink-soft:#222;--hair:#bbb}
 body{font:12pt/1.55 serif;color:#000;background:#fff}
 .site-header,.site-footer,.menu-toggle,.chapter-nav,.hero-actions,.related-strip,.glossary-toolbar,.faq-aside{display:none!important}
 .home-intro,.interior-hero,.editorial-split,.content-layout{display:block;min-height:0}
 .home-intro__copy,.interior-hero__copy,.editorial-split__text,.content-layout{padding:15px 0}
 .home-intro__visual,.interior-hero__image,.editorial-split__art{display:none}
 .topic-grid,.example-grid,.glossary-grid{display:block;background:none;border:0}
 .feature-card,.example,.term-card{display:block;border:1px solid #aaa;min-height:0;padding:12px;margin:8px 0;break-inside:avoid}
 .reading-section{display:block;break-inside:avoid;padding:10px 0;margin:0}
 .reading-section h2{font-size:20pt}
 .section-number{display:none}
 .faq-item{break-inside:avoid}.faq-answer{display:block}
 a{text-decoration:underline}
}