:root{--paper:#fcfbf7;--ink:#2e352e;--muted:#63695e;--green:#4b6047;--sage:#eaf0e7;--line:#d9ddcf;--copper:#9b5a43;--serif:Georgia,"Times New Roman",serif;--sans:"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:#e9e9e6;color:var(--ink);font-family:var(--sans)}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit;color:inherit}button{cursor:pointer}a,button,input,select,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #85763f;outline-offset:5px}button{border-radius:0}img{max-width:100%;height:auto;display:block}p{line-height:1.7}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--serif);font-weight:400}button svg{pointer-events:none}.study{max-width:1440px;margin:auto;background:#252d26;color:#fff;padding:15px 46px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px}.study-title{font-size:10px;letter-spacing:1.8px;font-weight:700;display:block;margin-bottom:5px}.study small{color:#d2d8cf;line-height:1.5}.name-probe{display:flex;align-items:center;gap:10px;flex-shrink:0}.name-probe label{font-size:11px;color:#d2d8cf}.name-probe select{max-width:220px;padding:8px 10px;border:1px solid #899284;background:#fff;color:#2e352e;font-size:12px}.page{max-width:1440px;margin:auto;background:var(--paper);padding:0 64px}.skip{position:absolute;left:-10000px}.skip:focus{left:25px;top:75px;background:#fff;z-index:10;padding:15px}.masthead{padding-top:30px;text-align:center}.brand{font:italic 700 clamp(36px,4.25vw,61px)/1.05 var(--serif);letter-spacing:-2px;text-decoration:none;display:inline-block;max-width:100%;overflow-wrap:anywhere}.brand-kicker{margin:12px 0 24px;font-size:10px;letter-spacing:2.8px;text-transform:uppercase;color:var(--green)}.primary-nav{display:flex;justify-content:center;align-items:center;gap:38px;border-block:1px solid var(--line);padding:0;min-height:51px}.primary-nav a,.primary-nav button{font-size:12px;font-weight:600;text-decoration:none;line-height:49px;white-space:nowrap;background:none;border:0;padding:0 3px;position:relative}.primary-nav [aria-current=page]:after{content:"";position:absolute;bottom:0;left:3px;right:3px;height:2px;background:var(--green)}.primary-nav a:hover,.primary-nav button:hover{color:var(--green)}.search-button{display:flex;align-items:center;gap:10px}.search-icon{display:inline-block;width:13px;height:13px;border:1.5px solid currentColor;border-radius:50%;position:relative;margin-right:3px}.search-icon:after{content:"";position:absolute;width:6px;height:1.5px;background:currentColor;right:-4px;bottom:-2px;transform:rotate(45deg)}.crumbs{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:28px 0 0;font-size:11px;color:var(--muted);line-height:1.7}.crumbs li+li:before{content:"/";display:inline-block;margin-right:8px;color:#a0a596}.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}.eyebrow{display:block;font-family:var(--sans);font-size:10px;letter-spacing:2px;font-weight:700;text-transform:uppercase;color:var(--green);margin-bottom:17px}.intro{display:grid;grid-template-columns:1.25fr 1fr;gap:75px;align-items:center;padding:48px 0 44px}.intro h1{font-size:clamp(40px,4.3vw,64px);line-height:1.08;letter-spacing:-1.8px;margin:0 0 24px}.intro .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:510px;margin-bottom:22px}.intro .lead em{font-style:normal;color:var(--ink)}.search-form{border:1px solid #a9b4a4;display:flex;align-items:center;background:#fff;margin:28px 0 15px;max-width:535px}.search-form label{position:absolute;left:-10000px}.search-form input{border:0;background:transparent;min-width:0;flex:1;padding:16px 19px;font-size:13px;outline-offset:0}.search-form button{background:var(--green);color:white;border:0;align-self:stretch;padding:0 19px;min-width:51px}.search-form .search-icon{margin:0 3px 0 0}.small-links{display:flex;gap:20px;font-size:11px;color:var(--green);flex-wrap:wrap}.atlas-art{position:relative;background:#f0f1e9;min-height:370px;overflow:hidden;display:flex;align-items:center;justify-content:center}.atlas-art:before{content:"";position:absolute;width:290px;height:290px;border:1px solid #d5dcca;border-radius:50%}.atlas-art:after{content:"";position:absolute;width:350px;height:350px;border:1px solid #e2e5d9;border-radius:50%}.atlas-art img{height:340px;width:auto;position:relative;z-index:1}.atlas-label{position:absolute;left:23px;bottom:23px;font:italic 19px/1.3 var(--serif);z-index:2;max-width:130px}.atlas-number{position:absolute;right:22px;top:22px;font-size:10px;letter-spacing:1.6px;color:var(--green);z-index:2}.section{padding:36px 0;border-top:1px solid var(--line)}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:30px;margin-bottom:22px}.section-heading h2{font-size:31px;letter-spacing:-.5px;margin:0}.section-heading p{font-size:12px;color:var(--muted);margin:0;max-width:420px}.chapter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:33px;row-gap:0}.chapter{display:flex;gap:13px;align-items:center;min-height:82px;border-bottom:1px solid var(--line);padding:15px 8px;text-decoration:none}.chapter .number{font:italic 24px var(--serif);color:#8a9582;width:29px;flex-shrink:0}.chapter strong{display:block;font-size:13px;font-weight:600;line-height:1.45}.chapter small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.chapter .arrow{margin-left:auto;font-size:22px}.chapter.active{background:var(--sage);border-bottom-color:#b5c1ac;padding-inline:14px}.chapter.active:hover{background:#e0e8db}.chapter.planned{color:#70776b}.chapter.planned .number{color:#a0a797}.chapter-note{color:var(--muted);font-size:11px;margin:19px 0 0}.feature-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}.feature{display:grid;grid-template-columns:180px 1fr;gap:27px;text-decoration:none;align-items:center}.feature-picture{background:#eaf0e7;min-height:210px;display:flex;align-items:center;justify-content:center}.feature-picture img{width:140px;height:180px}.feature h3{font-size:33px;margin:0 0 11px}.feature p{font-size:13px;color:var(--muted);margin:0}.text-link{display:inline-flex;align-items:center;gap:15px;font-size:12px;font-weight:600;color:var(--green);text-decoration:none;margin-top:20px}.text-link:hover{text-decoration:underline}.feature:hover h3{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.az-panel{border-left:1px solid var(--line);padding-left:35px}.az-panel h3{font-size:27px;margin-bottom:15px}.az-panel p{font-size:12px;color:var(--muted)}.alphabet{font-size:11px;letter-spacing:2px;line-height:2.4;color:#92998b;overflow-wrap:anywhere}.alphabet a{color:var(--green);font-weight:700;text-decoration:underline}.az-entry{display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);margin-top:16px;padding-top:16px;text-decoration:none}.az-letter{font:italic 39px/1 var(--serif);color:var(--green)}.az-entry strong{font-family:var(--serif);font-size:23px;font-weight:400}.az-entry small{display:block;font-size:10px;color:var(--muted);margin-top:6px}.az-entry .arrow{margin-left:auto;font-size:20px}.magazine-links{display:grid;grid-template-columns:1fr 1fr;gap:38px}.magazine-link{display:grid;grid-template-columns:130px 1fr;gap:21px;text-decoration:none;align-items:center}.magazine-link img{width:130px;height:100px;object-fit:cover}.magazine-link h3{font-size:22px;line-height:1.25;margin:7px 0}.magazine-link .eyebrow{font-size:9px;letter-spacing:1.4px;margin:0}.magazine-link small{font-size:10px;color:var(--muted)}.magazine-link:hover h3{text-decoration:underline;text-decoration-thickness:1px}.footer{padding:28px 0 24px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:20px;margin-top:17px}.footer-brand{font:italic 700 25px var(--serif);letter-spacing:-.7px;text-decoration:none}.footer p{font-size:11px;color:var(--muted);margin:10px 0 0}.footer-links{display:flex;align-items:start;gap:25px;font-size:11px;padding-top:10px}.preview-note{font-size:10px!important;border-top:1px solid var(--line);padding-top:18px;grid-column:1/-1;line-height:1.6!important;margin-top:4px!important}.area-intro{grid-template-columns:1fr 1.02fr;padding-top:37px;gap:60px}.area-intro h1{font-size:clamp(49px,5.2vw,76px);margin-bottom:21px}.area-intro .lead{font-family:var(--serif);font-size:24px;line-height:1.5;color:var(--ink)}.area-intro .summary{font-size:14px;color:var(--muted);line-height:1.8;max-width:480px}.area-figure{margin:0;background:#f1f2eb;padding:15px 19px 14px}.area-figure img{width:100%;max-height:360px}.area-figure figcaption{font-size:10px;text-align:center;color:var(--muted);line-height:1.6;padding-top:7px}.source-ref{font-family:var(--sans);font-size:10px;font-weight:600;white-space:nowrap;vertical-align:super;text-decoration:none;margin-left:3px;color:var(--green)}.function-strip{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding:23px 0;margin-bottom:38px;gap:30px}.function-strip div{border-right:1px solid var(--line);padding-right:25px}.function-strip div:last-child{border:0}.function-strip b{font:400 23px var(--serif)}.function-strip p{font-size:12px;color:var(--muted);margin:8px 0 0}.area-content{display:grid;grid-template-columns:200px 1fr;gap:48px;padding-bottom:38px}.area-side .eyebrow{margin:0 0 14px}.area-side a{display:block;font-size:12px;line-height:1.6;padding:9px 0;text-decoration:none}.area-side a:hover{text-decoration:underline}.area-side p{font-size:11px;color:var(--muted);padding-top:17px;margin-top:15px;border-top:1px solid var(--line)}.chapter-feature{background:#edf1e7;padding:31px 35px;display:grid;grid-template-columns:1fr 155px;gap:25px;align-items:center}.chapter-feature h2{font-size:42px;margin:0 0 12px}.chapter-feature p{font-size:14px;color:var(--muted);max-width:480px;margin-bottom:0}.chapter-feature img{width:155px;height:210px}.entry-links{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;margin-top:15px}.entry-links a{display:flex;justify-content:space-between;gap:15px;padding:17px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:13px}.entry-links a:hover{color:var(--green);text-decoration:underline}.terms{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:0}.terms dt{font:400 24px var(--serif);margin-bottom:10px}.terms dd{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.terms .latin{display:block;font-family:var(--sans);font-size:10px;color:var(--muted);margin-top:6px}.article-heading{padding:39px 0 31px;max-width:820px;margin-left:248px}.article-heading h1{font-size:76px;line-height:1;letter-spacing:-2px;margin:0 0 24px}.article-heading .lead{font:400 23px/1.6 var(--serif);margin-bottom:19px}.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:10px;color:var(--muted)}.article-grid{display:grid;grid-template-columns:200px minmax(0,740px);gap:48px;align-items:start;padding-bottom:38px}.toc{position:sticky;top:25px;border-top:2px solid var(--green);padding-top:17px}.toc h2{font:600 11px var(--sans);letter-spacing:1.2px;text-transform:uppercase;margin:0 0 15px}.toc ol{padding:0;list-style:none;margin:0}.toc a{display:block;font-size:12px;text-decoration:none;line-height:1.5;padding:9px 0;color:var(--muted)}.toc a:hover{color:var(--green);text-decoration:underline}.toc .back-area{border-top:1px solid var(--line);margin-top:19px;padding-top:18px;color:var(--green);font-size:11px}.article-body{min-width:0;font:400 17px/1.85 var(--serif)}.article-body p{line-height:1.85}.article-body h2{font-size:33px;letter-spacing:-.5px;line-height:1.25;margin:39px 0 17px}.article-body h3{font-size:23px;line-height:1.35;margin:25px 0 12px}.article-body section{scroll-margin-top:25px}.key-facts{background:var(--sage);padding:25px 30px 23px;margin:0 0 35px}.key-facts h2{font:600 11px var(--sans);letter-spacing:1.3px;text-transform:uppercase;margin:0 0 18px}.key-facts ul{padding-left:19px;margin:0}.key-facts li{padding-left:6px;margin:7px 0;font-size:17px}.chambers{display:grid;grid-template-columns:1fr 1fr;border-block:1px solid var(--line);margin:23px 0 14px;gap:25px;padding:20px 0}.chambers h3{font-size:22px;margin:0 0 8px}.chambers p{font:400 13px/1.8 var(--sans);color:var(--muted);margin:0}.anatomy-note{font:400 11px/1.6 var(--sans);color:var(--muted)}.flow-figure{margin:25px 0 0;background:#f0f2ea;padding:20px 26px}.flow-figure img{width:100%;max-height:420px}.flow-figure figcaption{font:400 11px/1.7 var(--sans);color:var(--muted);margin-top:12px}.flow-steps{list-style:none;counter-reset:flow;padding:0;margin:22px 0}.flow-steps li{counter-increment:flow;display:grid;grid-template-columns:25px 1fr;gap:13px;margin:14px 0;font:400 14px/1.8 var(--sans)}.flow-steps li:before{content:counter(flow,decimal-leading-zero);font:italic 21px var(--serif);color:var(--green)}.flow-steps strong{font-weight:600}.valves{width:100%;border-collapse:collapse;font:400 13px/1.7 var(--sans);margin:23px 0}.valves th,.valves td{text-align:left;padding:13px 11px;border-bottom:1px solid var(--line);vertical-align:top}.valves th{font-size:10px;letter-spacing:1px;text-transform:uppercase;background:var(--sage);font-weight:600}.valves td:first-child{font-weight:600;white-space:nowrap}.deeper{border-block:1px solid #bbc7b4;margin:25px 0;background:#f4f5ef;padding:0 22px}.deeper summary{font:600 13px/1.7 var(--sans);cursor:pointer;padding:19px 0}.deeper p{font-size:16px}.faq{margin-top:15px}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font:400 21px/1.4 var(--serif);padding:18px 22px 18px 0}.faq p{font-size:16px;margin-bottom:20px}.sources{border-top:1px solid var(--line);padding-top:27px;margin-top:37px;font-family:var(--sans)}.sources h2{font-size:27px;margin:0 0 15px}.sources p{font-size:11px;line-height:1.7}.sources ol{padding-left:21px;font-size:11px;line-height:1.8}.sources li{padding-left:5px;margin:12px 0;scroll-margin-top:30px}.sources a{overflow-wrap:anywhere}.source-note{background:#f0f1e9;padding:14px 17px;color:var(--muted);margin-top:21px}.related-band{display:flex;justify-content:space-between;align-items:center;gap:25px;border-top:1px solid var(--line);padding:27px 0}.related-band h2{font-size:28px;margin:0 0 8px}.related-band p{font-size:12px;color:var(--muted);margin:0}.related-band a{border:1px solid var(--green);padding:13px 21px;text-decoration:none;font-size:12px;white-space:nowrap}.related-band a:hover{background:var(--sage)}dialog{background:var(--paper);color:var(--ink);border:1px solid var(--line);width:min(680px,calc(100% - 32px));max-height:88vh;padding:28px 31px;box-shadow:0 25px 100px #0003}dialog::backdrop{background:#1d281c88}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:15px}.dialog-top h2{font-size:31px;margin:0}.close-dialog{border:0;background:none;font-size:25px;min-width:44px;min-height:44px}.dialog-label{display:block;font-size:11px;margin:24px 0 10px;color:var(--muted)}#global-search{width:100%;padding:14px;border:1px solid #a2ae9b;background:#fff;font-size:15px}.search-hint{font-size:11px;color:var(--muted);line-height:1.7;margin:13px 0 18px}.results{list-style:none;padding:0;margin:0}.result{display:block;border-top:1px solid var(--line);padding:17px 0;text-decoration:none}.result strong{display:block;font:400 23px var(--serif);margin:7px 0}.result small{font-size:10px;color:var(--green);text-transform:uppercase;letter-spacing:1.2px}.result p{font-size:12px;color:var(--muted);margin:0;line-height:1.7}.result:hover strong{text-decoration:underline}.result-count{font-size:11px;color:var(--muted);padding:16px 0 5px}.empty{font-size:13px;line-height:1.7;padding:20px 0}.no-js{font-size:12px;background:var(--sage);padding:15px}.print-title{display:none}
.brand.is-long{font-size:clamp(31px,3.7vw,54px)}@media(min-width:1600px){.brand{font-size:61px}.brand.is-long{font-size:54px}}@media(max-width:1100px){.page{padding-inline:38px}.study{padding-inline:30px}.intro{gap:35px}.intro h1{font-size:48px}.atlas-art{min-height:340px}.chapter-grid{column-gap:18px}.feature-grid{gap:25px}.feature{grid-template-columns:135px 1fr;gap:21px}.feature-picture{min-height:190px}.feature-picture img{width:115px}.article-heading{margin-left:215px}.article-grid{grid-template-columns:175px minmax(0,1fr);gap:40px}.area-content{grid-template-columns:175px 1fr;gap:40px}.chapter-feature{padding:27px}.magazine-link{grid-template-columns:100px 1fr}.magazine-link img{width:100px;height:100px}.article-heading h1{font-size:67px}}
@media(max-width:800px){.study{align-items:start;padding:15px 23px;gap:13px}.study small{font-size:10px}.name-probe{display:block}.name-probe label{display:block;margin-bottom:6px;font-size:10px}.name-probe select{max-width:185px;font-size:11px;padding:7px}.page{padding-inline:27px}.masthead{padding-top:25px}.brand{font-size:46px;letter-spacing:-1.8px}.brand-kicker{font-size:9px;letter-spacing:2.1px;margin-bottom:21px}.primary-nav{gap:25px}.intro{gap:30px;padding-block:35px}.intro h1{font-size:40px}.intro .lead{font-size:14px}.atlas-art{min-height:310px}.atlas-art img{height:290px}.atlas-art:before{width:230px;height:230px}.atlas-art:after{width:290px;height:290px}.atlas-label{left:15px;bottom:17px;font-size:17px;max-width:105px}.atlas-number{right:15px;font-size:9px}.section-heading h2{font-size:28px}.chapter-grid{grid-template-columns:1fr 1fr;column-gap:24px}.feature-grid{grid-template-columns:1.2fr 1fr}.feature{grid-template-columns:1fr}.feature-picture{min-height:150px}.feature-picture img{height:150px}.feature h3{font-size:30px}.feature p{font-size:12px}.az-panel{padding-left:25px}.magazine-links{gap:25px}.magazine-link{grid-template-columns:85px 1fr;gap:15px}.magazine-link img{width:85px;height:100px}.magazine-link h3{font-size:19px}.area-intro h1{font-size:57px}.area-intro .lead{font-size:21px}.area-intro .summary{font-size:13px}.area-figure{padding:8px}.area-figure img{min-height:260px}.function-strip{gap:20px}.function-strip div{padding-right:15px}.function-strip b{font-size:21px}.area-content{grid-template-columns:1fr;gap:25px}.area-side{display:flex;flex-wrap:wrap;gap:8px 25px;align-items:center}.area-side .eyebrow{margin:0;width:100%}.area-side p{display:none}.area-side a{font-size:11px}.chapter-feature{grid-template-columns:1fr 160px}.article-heading{margin-left:0;max-width:650px}.article-heading h1{font-size:65px}.article-grid{grid-template-columns:1fr;gap:25px}.toc{position:static;padding-bottom:15px;border-bottom:1px solid var(--line)}.toc ol{display:grid;grid-template-columns:1fr 1fr;column-gap:28px}.toc .back-area{display:none}.article-body{max-width:740px}.key-facts{margin-bottom:28px}.footer{grid-template-columns:1fr}.footer-links{padding:0}.footer-brand{font-size:25px}.terms{gap:24px}.terms dt{font-size:22px}}
@media(max-width:580px){.study{padding:12px 20px;flex-wrap:wrap;gap:12px}.study-title{font-size:9px;letter-spacing:1.5px}.study small{font-size:10px}.name-probe{display:flex;align-items:center;width:100%;gap:12px}.name-probe label{margin:0}.name-probe select{max-width:none;width:auto;flex:1;max-width:240px}.page{padding-inline:21px}.masthead{padding-top:25px}.brand{font-size:34px;letter-spacing:-1.3px}.brand-kicker{font-size:8px;letter-spacing:1.5px;margin:12px 0 19px}.primary-nav{gap:0;justify-content:space-between;min-height:48px}.primary-nav a,.primary-nav button{font-size:10px;line-height:46px;padding-inline:1px}.search-button{gap:6px}.search-icon{width:11px;height:11px}.crumbs{margin-top:21px;font-size:10px;gap:6px}.crumbs li+li:before{margin-right:6px}.intro{grid-template-columns:1fr;gap:23px;padding:28px 0 29px}.intro h1{font-size:42px;letter-spacing:-1.2px;line-height:1.1;margin-bottom:19px}.eyebrow{font-size:9px;letter-spacing:1.6px;margin-bottom:13px}.intro .lead{font-size:14px;line-height:1.8;margin-bottom:17px}.search-form{margin-top:23px}.search-form input{padding:15px 13px;font-size:12px}.search-form button{padding:0 15px}.small-links{gap:18px;font-size:10px}.atlas-art{min-height:245px}.atlas-art img{height:245px}.atlas-art:before{width:190px;height:190px}.atlas-art:after{width:230px;height:230px}.atlas-label{font-size:17px;left:19px;bottom:21px}.atlas-number{font-size:9px;right:20px;top:20px}.section{padding:27px 0}.section-heading{display:block;margin-bottom:18px}.section-heading h2{font-size:28px;margin-bottom:10px}.section-heading p{font-size:11px;line-height:1.8}.chapter-grid{grid-template-columns:1fr;gap:0}.chapter{min-height:76px;padding-inline:5px}.chapter .number{width:31px}.chapter strong{font-size:13px}.chapter small{font-size:10px}.chapter.planned{min-height:63px}.chapter.planned small{display:none}.chapter-note{font-size:10px;line-height:1.8}.feature-grid{grid-template-columns:1fr;gap:28px}.feature{grid-template-columns:105px 1fr;gap:20px}.feature-picture{min-height:165px}.feature-picture img{width:95px;height:150px}.feature h3{font-size:29px;margin-bottom:9px}.feature p{font-size:12px;line-height:1.7}.feature .eyebrow{font-size:8px;letter-spacing:1.2px;margin-bottom:10px}.text-link{font-size:11px;gap:10px;margin-top:15px}.az-panel{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.az-panel h3{font-size:26px;margin-bottom:12px}.magazine-links{grid-template-columns:1fr;gap:24px}.magazine-link{grid-template-columns:104px 1fr;gap:19px}.magazine-link img{width:104px;height:95px}.magazine-link h3{font-size:21px}.footer{padding-top:24px;gap:19px}.footer-brand{font-size:25px}.footer-links{gap:24px;flex-wrap:wrap;font-size:10px}.preview-note{font-size:9px!important}.area-intro{gap:22px}.area-intro h1{font-size:53px;line-height:1.05;margin-bottom:20px}.area-intro .lead{font-size:22px}.area-intro .summary{font-size:13px;line-height:1.8}.area-figure{padding:13px 9px 12px}.area-figure img{min-height:0;max-height:295px}.area-figure figcaption{font-size:9px;line-height:1.7}.function-strip{grid-template-columns:1fr;gap:0;padding:5px 0;margin-bottom:27px}.function-strip div{border-right:0;border-bottom:1px solid var(--line);padding:17px 0}.function-strip div:last-child{border:0}.function-strip b{font-size:22px}.function-strip p{font-size:12px;margin-top:6px}.area-side{gap:1px 20px}.area-side a{padding:7px 0}.chapter-feature{padding:24px;grid-template-columns:1fr 85px;gap:14px}.chapter-feature h2{font-size:35px}.chapter-feature p{font-size:12px}.chapter-feature img{width:85px;height:160px}.chapter-feature .eyebrow{font-size:8px;letter-spacing:1.1px}.entry-links{grid-template-columns:1fr;margin-top:6px}.entry-links a{padding:16px 0;font-size:12px}.terms{grid-template-columns:1fr;gap:24px}.terms dt{font-size:23px;margin-bottom:8px}.terms dd{font-size:13px}.terms .latin{display:inline;margin-left:7px}.article-heading{padding:30px 0 25px}.article-heading h1{font-size:62px;margin-bottom:21px}.article-heading .lead{font-size:21px;line-height:1.6;margin-bottom:18px}.article-meta{font-size:9px;gap:8px 15px}.article-grid{gap:24px;padding-bottom:25px}.toc{padding-top:16px;padding-bottom:12px}.toc h2{font-size:10px;margin-bottom:10px}.toc a{font-size:11px;line-height:1.7;padding:6px 0}.toc ol{gap:0 18px}.article-body{font-size:17px;line-height:1.85}.key-facts{padding:22px}.key-facts h2{font-size:10px}.key-facts li{font-size:16px;margin:9px 0}.article-body h2{font-size:29px;line-height:1.25;margin-top:31px}.chambers{gap:20px;padding:18px 0}.chambers h3{font-size:21px}.chambers p{font-size:12px;line-height:1.8}.anatomy-note{font-size:10px}.flow-figure{padding:14px 10px}.flow-figure figcaption{font-size:10px;padding:0 5px}.flow-steps li{font-size:13px;grid-template-columns:22px 1fr;gap:10px}.valves{font-size:11px;line-height:1.8}.valves td,.valves th{padding:11px 7px}.valves th{font-size:9px;letter-spacing:.7px}.valves td:first-child{white-space:normal}.deeper{padding-inline:17px}.deeper summary{font-size:12px;padding:17px 0}.deeper p{font-size:16px}.faq summary{font-size:20px;padding-block:17px}.sources h2{font-size:27px}.sources li{font-size:11px}.related-band{display:block;padding:25px 0}.related-band h2{font-size:27px}.related-band a{display:inline-block;margin-top:18px;font-size:11px}.dialog-top h2{font-size:27px}dialog{padding:20px}.search-hint{font-size:10px}.result strong{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{body{background:#fff}.study,.primary-nav,.search-form,.toc,.footer-links,dialog,.skip{display:none!important}.page{padding:0;max-width:none}.masthead{padding-top:0}.brand{font-size:36px}.brand-kicker{margin-bottom:15px}.intro,.article-heading{padding-top:20px}.article-grid{display:block}.article-heading{margin:0}.article-body{max-width:none;font-size:12pt}.article-body h2{font-size:20pt;break-after:avoid}.article-body h3{break-after:avoid}.key-facts,.flow-figure,.chambers{break-inside:avoid}.toc,.area-side{display:none}.area-content{display:block}.sources{font-size:9pt}.footer{margin-top:10px}.deeper{break-inside:avoid}.faq details p,.deeper p{display:block}.atlas-art{min-height:260px}.atlas-art img{height:260px}}

/* Vertiefter Herzbeitrag: Abbildungen und Lesetiefen */
.anatomy-figure{margin:27px 0;background:#fff;border:1px solid var(--line);padding:22px 22px 18px}.anatomy-figure>img{width:100%;height:auto}.anatomy-figure figcaption{font:400 12px/1.75 var(--sans);color:var(--muted);margin-top:17px}.anatomy-figure figcaption strong{color:var(--ink);font-weight:600}.figure-actions{display:flex;justify-content:flex-end;align-items:center;gap:15px;border-top:1px solid var(--line);padding-top:12px;margin-top:14px}.figure-actions span{font:400 10px/1.7 var(--sans);color:var(--muted)}.zoom-open{border:1px solid #adb9a4;background:var(--paper);padding:9px 13px;font:600 11px/1.5 var(--sans);color:var(--green)}.zoom-open:hover{background:var(--sage)}.knowledge-note{border-left:3px solid #8a9b7c;background:#f0f3e9;padding:18px 22px;margin:23px 0;font:400 14px/1.85 var(--sans)}.knowledge-note p{font:inherit;margin:0}.knowledge-note strong{font-weight:600}.cycle-phases{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:25px 0}.cycle-phase{border:1px solid var(--line);padding:21px 23px;background:#f8f9f3}.cycle-phase .eyebrow{font-size:9px;letter-spacing:1.2px;margin-bottom:10px}.cycle-phase h3{font:400 24px/1.3 var(--serif);margin:0 0 12px}.cycle-phase p{font:400 13px/1.8 var(--sans);margin:0}.cycle-phase .valve-state{font:600 10px/1.7 var(--sans);display:block;color:var(--green);margin-top:13px}.conduction-chain{padding:18px 20px;background:#edf1e7;font:600 13px/1.9 var(--sans);margin:23px 0;text-align:center}.formula{border-block:1px solid var(--line);padding:24px 15px;text-align:center;margin:23px 0}.formula strong{font:400 23px/1.5 var(--serif);display:block}.formula small{font:400 12px/1.7 var(--sans);display:block;margin-top:12px;color:var(--muted)}.clinical-terms{margin:25px 0}.clinical-terms dt{font:400 24px/1.4 var(--serif);padding-top:18px;border-top:1px solid var(--line)}.clinical-terms dd{font:400 15px/1.85 var(--sans);color:var(--muted);margin:10px 0 22px}.article-body .detail-list{font:400 15px/1.9 var(--sans);padding-left:22px}.detail-list li{padding-left:4px;margin:12px 0}.article-body .sources p{font-size:12px}.article-body .sources ol{font-size:12px}.article-body .sources li{font-size:12px}.source-divider{border-top:1px solid var(--line);padding-top:18px;margin-top:22px!important}#anatomy-dialog{width:min(1120px,calc(100% - 24px));padding:0;max-height:94vh;overflow:hidden}.image-toolbar{padding:15px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);background:var(--paper)}.image-toolbar h2{font:400 24px/1.3 var(--serif);margin:0}.zoom-controls{display:flex;align-items:center;gap:15px;padding:12px 22px;border-bottom:1px solid var(--line);font-size:11px}.zoom-controls input{flex:1;max-width:300px;min-width:90px;accent-color:var(--green)}.zoom-controls output{font-size:11px;min-width:40px}.image-pan{height:min(68vh,740px);overflow:auto;background:#fff;padding:20px;overscroll-behavior:contain}.image-pan img{width:100%;max-width:none;height:auto}.zoom-caption{font:400 11px/1.6 var(--sans);padding:11px 22px;margin:0;border-top:1px solid var(--line);color:var(--muted)}
@media(max-width:580px){.anatomy-figure{padding:15px 10px 13px;margin:24px 0}.anatomy-figure figcaption{font-size:11px;padding:0 4px}.figure-actions{align-items:start;gap:12px;margin-top:12px;padding-top:12px;flex-wrap:wrap}.figure-actions span{font-size:9px;max-width:160px}.zoom-open{font-size:10px;padding:9px 10px}.cycle-phases{grid-template-columns:1fr;gap:13px}.cycle-phase{padding:19px}.cycle-phase h3{font-size:23px}.cycle-phase p{font-size:13px}.knowledge-note{font-size:13px;padding:16px 18px}.conduction-chain{font-size:12px;text-align:left;line-height:2}.formula strong{font-size:22px}.formula small{font-size:11px}.clinical-terms dt{font-size:23px}.clinical-terms dd{font-size:14px}.article-body .detail-list{font-size:14px}.image-toolbar{padding:12px 15px;gap:12px}.image-toolbar h2{font-size:23px}.zoom-controls{padding:12px 15px;gap:10px;font-size:10px}.image-pan{height:62vh;padding:9px}.zoom-caption{padding:10px 15px;font-size:10px}}
@media print{.figure-actions,.image-dialog{display:none!important}.anatomy-figure{break-inside:avoid}.cycle-phase{break-inside:avoid}.conduction-chain,.formula{break-inside:avoid}}
.source-footnote{grid-column:1/-1;font-size:11px;color:var(--muted);line-height:1.7;margin-top:0}

/* Numbered explanations remain readable with both wrapped and inline block content. */
.flow-steps > li {
    display: block;
    position: relative;
    min-width: 0;
    padding-inline-start: 38px;
    overflow-wrap: break-word;
}
.flow-steps > li::before {
    position: absolute;
    inset-inline-start: 0;
    top: 0;
    width: 25px;
}
@media (max-width: 600px) {
    .flow-steps > li { padding-inline-start: 32px; }
    .flow-steps > li::before { width: 22px; }
}

.article-body section{scroll-margin-top:25px}.article-body .image-credit{font-size:10px}.image-dialog .image-pan img{max-width:none}.article-body .flow-steps>li>div{min-width:0}.article-body .valves{table-layout:auto}.article-body a[href^="#quelle-"]{font-size:10px;vertical-align:super;text-decoration:none;color:var(--green);white-space:nowrap}.article-body .formula small{display:block}.atlas-art>img{max-width:85%;height:320px;object-fit:contain}.article-body section>h2{overflow-wrap:break-word}
.article-body .reader-table{width:100%;table-layout:fixed;border-collapse:collapse;margin:1.4em 0 1.8em;font-size:15px;line-height:1.6}.article-body .reader-table caption{text-align:left;padding:0 0 12px;font-family:var(--sans);font-size:13px;color:var(--muted)}.article-body .reader-table th,.article-body .reader-table td{text-align:left;vertical-align:top;padding:13px 14px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.article-body .reader-table th{background:var(--sage);font-family:var(--sans);font-weight:600}.article-body .reader-table th:first-child,.article-body .reader-table td:first-child{width:40%}.article-body .reader-table td:first-child{font-weight:600}@media(max-width:600px){.article-body .reader-table{font-size:14px}.article-body .reader-table th,.article-body .reader-table td{padding:11px 9px}.article-body .reader-table caption{font-size:12px}}

/* Lange bibliografische Kennungen bleiben auf schmalen Ansichten lesbar. */
.article-body .sources{overflow-wrap:anywhere;word-break:normal}

.primary-nav{flex-wrap:wrap}.site-hero{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:center;padding:66px 0 76px;border-bottom:1px solid var(--line,#d9ddcf)}.site-hero h1{font:400 clamp(48px,5.3vw,78px)/1.06 Georgia,serif;letter-spacing:-2.8px;margin:24px 0}.site-hero p:not(.lead){max-width:530px;font-size:15px;line-height:1.85;color:#687062}.site-hero .lead{font-size:23px;line-height:1.55;max-width:480px}.hero-links{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:30px}.site-button{display:inline-block;background:#4b6047;color:#fff!important;text-decoration:none;padding:15px 20px;font:600 12px/1.5 "Segoe UI",Arial,sans-serif;border-radius:3px}.site-button:hover{background:#374d33}.site-hero-art{margin:0;padding:24px 20px 16px;background:#f1f3ea;border-radius:48% 48% 5px 5px;text-align:center}.site-hero-art img{display:block;width:100%;height:auto;max-height:445px;object-fit:contain}.site-hero-art figcaption{font:12px/1.7 "Segoe UI",Arial,sans-serif;margin-top:18px}.site-hero-art .image-credit{display:block;font-size:9px;color:#67725f;margin-top:5px}.site-hero-letter{font:italic 240px Georgia,serif;color:#4b6047;background:#edf1e7;display:grid;text-align:center;justify-content:center;padding:25px}.site-hero-letter span{font:23px/1.5 Georgia,serif}.site-feature{display:grid;grid-template-columns:1fr 2fr;gap:45px;padding:45px 0;border-bottom:1px solid #d9ddcf}.site-feature h2{font:36px/1.2 Georgia,serif;margin:0 0 14px}.site-feature p{font:18px/1.75 Georgia,serif;max-width:730px;margin-bottom:18px}.site-section{padding:55px 0}.site-section>.section-heading h2{font:38px/1.2 Georgia,serif;margin-top:12px}.site-section .section-heading{align-items:end;gap:24px}.site-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;margin-top:28px}.site-card{display:block;text-decoration:none;color:inherit;border:1px solid #d9ddcf;padding:32px;background:#fffefb;transition:border-color .15s,background .15s}.site-card:hover{border-color:#8f9b82;background:#f5f7ef}.site-card h3{font:32px/1.2 Georgia,serif;margin:18px 0 16px}.site-card p{font:16px/1.8 Georgia,serif;color:#5b6555;margin-bottom:24px;max-width:620px}.site-card .text-link{font:600 11px "Segoe UI",Arial,sans-serif}.site-method{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:45px 40px;background:#edf1e7;margin:15px 0 60px}.site-method h2{font:38px/1.22 Georgia,serif;margin:18px 0 0}.site-method p{font:18px/1.8 Georgia,serif;margin-bottom:22px}.site-page-intro{padding:65px 0 40px;border-bottom:1px solid #d9ddcf}.site-page-intro h1{font:400 clamp(40px,4.6vw,64px)/1.12 Georgia,serif;letter-spacing:-1.6px;max-width:850px;margin:22px 0}.site-page-intro .lead{font-size:23px;max-width:760px;line-height:1.6}.site-page-intro.compact{padding-bottom:25px}.site-prose{max-width:800px;margin:44px auto 80px;font:18px/1.85 Georgia,serif}.site-prose h2{font:32px/1.25 Georgia,serif;margin:40px 0 18px}.site-prose p{margin-bottom:23px}.site-prose .lead{font:24px/1.65 Georgia,serif}.site-topic{display:flex;justify-content:space-between;gap:24px;align-items:center;text-decoration:none;padding:27px 0;border-bottom:1px solid #d9ddcf}.site-topic strong{display:block;font:30px Georgia,serif}.site-topic small{display:block;font:12px "Segoe UI",Arial,sans-serif;margin-top:12px;color:#687062}.footer-links{display:grid;grid-template-columns:repeat(2,auto);gap:13px 30px}.search-hit{padding:15px 0;border-bottom:1px solid #d9ddcf}.search-hit a{font:25px/1.3 Georgia,serif}.search-hit p{font:13px/1.7 "Segoe UI",Arial,sans-serif;margin:9px 0 0;color:#687062}#anatomy-dialog img{max-width:none}.site-prose,.site-card,.site-page-intro{overflow-wrap:anywhere}
@media(max-width:1000px){.site-hero{gap:32px;padding:45px 0 55px}.site-hero h1{font-size:56px}.site-hero-art{padding:20px 12px}.site-hero-art img{max-height:370px}.site-method{gap:30px;padding:30px}.site-feature{grid-template-columns:1fr 2fr;gap:25px}.site-cards{gap:18px}.site-card{padding:25px}}
@media(max-width:650px){.site-hero{grid-template-columns:1fr;gap:30px;padding:38px 0}.site-hero h1{font-size:52px;letter-spacing:-1.9px}.site-hero .lead{font-size:22px}.site-hero-art{max-width:420px;margin:auto;width:100%}.site-hero-art img{max-height:340px}.hero-links{gap:18px}.site-feature,.site-method{grid-template-columns:1fr;gap:22px}.site-feature{padding:30px 0}.site-feature h2{font-size:32px}.site-cards{grid-template-columns:1fr}.site-card{padding:25px}.site-section{padding:35px 0}.site-method{padding:26px 23px;margin-bottom:35px}.site-method h2{font-size:32px}.site-page-intro{padding-top:35px}.site-page-intro h1{font-size:43px;letter-spacing:-1.3px}.site-page-intro .lead{font-size:21px}.site-prose{font-size:18px;margin:30px 0 45px}.site-prose h2{font-size:29px}.footer-links{grid-template-columns:1fr}.site-section .section-heading{display:block}.site-topic strong{font-size:26px}.primary-nav{gap:14px 19px}.site-hero-letter{font-size:180px}}
@media print{.primary-nav,.footer,.search-button,.figure-actions,.toc,.related-band,dialog{display:none!important}.page{max-width:none;box-shadow:none;padding:0!important}.article-grid{display:block}.article-body{max-width:none}.article-body details{display:block}.article-body details>*{display:block}.article-heading h1{font-size:36px}.article-body section{break-inside:auto}.article-body figure{break-inside:avoid}a{color:inherit}}

.chapter-entry-points{grid-template-columns:repeat(3,minmax(0,1fr))}.chapter-entry-points h3{font-size:28px}.chapter-entry-points p{font-size:16px}@media(max-width:950px){.chapter-entry-points{grid-template-columns:1fr}.chapter-entry-points h3{font-size:29px}}

.legal-links{grid-column:1/-1;display:flex;gap:17px;margin-top:7px}.legal-links a{font-size:11px;color:#697064}.contact-form{display:grid;gap:20px;padding:28px;background:#f3f5ee;border:1px solid #d9ddcf;margin:25px 0 40px;font:14px/1.6 "Segoe UI",Arial,sans-serif}.contact-form label{display:block;font-size:13px;font-weight:600}.contact-form label span{font-weight:400;color:#697064}.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid #b8c2ae;background:#fffefb;color:#2e352e;font:16px/1.6 "Segoe UI",Arial,sans-serif;box-sizing:border-box}.contact-form textarea{resize:vertical}.contact-form button{justify-self:start;border:0;cursor:pointer}.contact-form button:disabled{opacity:.6;cursor:wait}.contact-form .contact-privacy,.contact-form #contact-status{font-size:12px;line-height:1.7;margin:0}.contact-honey{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}@media(max-width:650px){.contact-form{padding:20px}}

.legal-intro h1{font-size:38px;letter-spacing:-.6px}.legal-prose{font-size:16px;line-height:1.8}.legal-prose h2{font-size:25px}
.knowledge-jumps{display:flex;flex-wrap:wrap;gap:9px;padding:0 0 32px;border-bottom:1px solid #d9ddcf}.knowledge-jumps a{border:1px solid #d9ddcf;padding:8px 12px;text-decoration:none;font:12px/1.5 "Segoe UI",Arial,sans-serif;color:#4b6047}.knowledge-jumps a:hover,.knowledge-jumps a:focus-visible{background:#edf0e6;border-color:#4b6047}.knowledge-section{scroll-margin-top:24px}.knowledge-section .section-heading p{max-width:650px;margin:12px 0 0;font:15px/1.8 "Segoe UI",Arial,sans-serif;color:#687062}.knowledge-section .section-heading{align-items:flex-end}.knowledge-terms{margin:24px 0}.knowledge-terms dt{font:600 15px/1.6 "Segoe UI",Arial,sans-serif;color:#4b6047;margin:21px 0 5px}.knowledge-terms dd{margin:0;font-size:18px;line-height:1.8}.article-heading h1,.site-card h3{hyphens:auto;overflow-wrap:anywhere}.site-topic small+small{margin-top:7px}.knowledge-figure{background:#f4f5ee;border:1px solid #d9ddcf;padding:20px;margin:30px 0}.knowledge-figure img{display:block;width:100%;height:auto}.knowledge-figure figcaption{font:12px/1.8 "Segoe UI",Arial,sans-serif;margin-top:15px;color:#5d6656}.knowledge-figure .image-credit{font-size:10px}.knowledge-figure .figure-actions{margin-top:12px}@media(max-width:650px){.knowledge-jumps{gap:7px}.knowledge-jumps a{font-size:11px;padding:7px 9px}.knowledge-terms dd{font-size:16px}.knowledge-figure{padding:12px}.knowledge-section .section-heading p{font-size:13px}}
.article-heading.long-title h1{font-size:clamp(42px,5vw,78px);line-height:1.12}@media(max-width:650px){.article-heading.long-title h1{font-size:34px;line-height:1.18;letter-spacing:-.7px}}
.illustrated-card{display:flex;flex-direction:column;min-width:0}.card-cover{display:block;margin:-32px -32px 0;overflow:hidden;background:#e9eddf}.card-cover img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.card-image-origin{display:block;margin:8px 0 21px;font:11px/1.5 "Segoe UI",Arial,sans-serif;color:#5d6656}.illustrated-card .text-link{margin-top:auto;padding-top:12px}.magazine-feature{border-top:1px solid #d9ddcf}.magazine-feature .section-heading p{font:15px/1.7 "Segoe UI",Arial,sans-serif;color:#687062}.magazine-figure{padding:0;background:transparent;border:0}.magazine-figure img{border-radius:3px}.magazine-figure figcaption{padding:0 2px}.magazine-figure figcaption em{font-style:normal;display:block;margin-top:4px}@media(max-width:1000px){.card-cover{margin:-25px -25px 0}}@media(max-width:650px){.card-image-origin{margin-bottom:17px}}
.chapter-tree{display:grid;gap:24px;margin-top:26px}.chapter-root{border:1px solid #d9ddcf;background:#fffefb;padding:30px}.chapter-root-heading{display:flex;gap:28px;align-items:center}.chapter-root-heading>div{min-width:0}.chapter-root h3{font:32px/1.25 Georgia,serif;margin:10px 0 12px}.chapter-root h3 a{text-decoration:none}.chapter-root p{font:16px/1.8 Georgia,serif;color:#5b6555;margin:0;max-width:700px}.chapter-thumbnail{display:block;flex:0 0 165px;background:white}.chapter-thumbnail img{width:165px;height:165px;object-fit:contain;display:block}.chapter-root ul{list-style:none;padding:0;margin:24px 0}.chapter-root li{border-top:1px solid #e6e9df}.chapter-root li>a{display:flex;justify-content:space-between;gap:20px;padding:13px 0;font:18px/1.55 Georgia,serif;text-decoration:none}.chapter-root li>a:hover{text-decoration:underline}.chapter-root li span{font:14px "Segoe UI",sans-serif;color:#78836e}.chapter-root ul ul{margin:0 0 12px 22px;border-left:2px solid #d7dece;padding-left:20px}.chapter-root ul ul li{border:0}.chapter-root ul ul a{font:15px/1.65 "Segoe UI",sans-serif;padding:7px 0}.chapter-magazine{margin-top:45px;border-top:1px solid #d9ddcf;padding-top:30px}.chapter-contents{padding:24px;background:#edf1e7;border-left:3px solid #657b57}.chapter-contents h2{margin-top:0!important}.article-body .chapter-links{padding:0;list-style:none;display:block}.article-body .chapter-links li{display:block;border-bottom:1px solid #d9ddcf;padding:17px 0}.article-body .chapter-links li:last-child{border-bottom:0}.article-body .chapter-links li>div{display:block;width:auto;max-width:none;font:15px/1.8 "Segoe UI",sans-serif}.chapter-links strong{font:22px/1.5 Georgia,serif}.atlas-figure{background:white;padding:18px}.atlas-figure img{max-height:820px;object-fit:contain;background:white}.anatomy-labels{margin:8px 0 30px!important;background:#f4f5ef;padding:14px 18px;border:1px solid #d9ddcf}.anatomy-labels summary{font:600 13px/1.6 "Segoe UI",sans-serif}.anatomy-labels .knowledge-terms{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px 22px}.anatomy-labels dt,.anatomy-labels dd{margin:0;font:13px/1.6 "Segoe UI",sans-serif;overflow-wrap:anywhere}.chapter-navigation{border-top:1px solid #c9d2bf;margin:45px 0 0;padding-top:25px}.chapter-navigation ul{list-style:none;padding:0}.chapter-navigation li{display:block;margin:9px 0;font:15px/1.6 "Segoe UI",sans-serif}.chapter-navigation a[aria-current=page]{font-weight:700;text-decoration:none}.crumbs{flex-wrap:wrap;row-gap:8px}
@media(max-width:650px){.chapter-root{padding:20px}.chapter-root-heading{gap:15px;align-items:flex-start}.chapter-thumbnail{flex-basis:75px}.chapter-thumbnail img{width:75px;height:100px}.chapter-root h3{font-size:25px}.chapter-root p{font-size:14px}.chapter-root li>a{font-size:17px}.chapter-root ul ul{margin-left:6px;padding-left:14px}.chapter-root ul ul a{font-size:13px}.chapter-contents{padding:18px}.chapter-links strong{font-size:20px}.atlas-figure{padding:9px}.atlas-figure img{max-height:none}.anatomy-labels .knowledge-terms{grid-template-columns:minmax(0,1fr);gap:3px}.anatomy-labels dd{margin-bottom:12px}.article-body .chapter-links li>div{font-size:14px}.crumbs{font-size:10px}}
.site-page-intro h1,.chapter-root h3,.chapter-root li>a{hyphens:auto}
@media(max-width:650px){.chapter-root-heading{flex-direction:column}.chapter-thumbnail{flex:none;width:100%}.chapter-thumbnail img{width:100%;height:180px}.site-page-intro h1{font-size:clamp(32px,8.6vw,43px);overflow-wrap:normal}.chapter-root h3{overflow-wrap:anywhere}}

/* Editorial entry: warm paper, generous imagery and distinct reading routes. */
.discovery-home{--forest:#304c3f;--ochre:#be9250;--warm:#eee7da}
.discovery-home h1,.discovery-home h2,.discovery-home h3{overflow-wrap:break-word;text-wrap:pretty}
.discovery-home .eyebrow{font-size:11px;letter-spacing:1.7px}
.discovery-home .text-link{font-size:13px;line-height:1.7}
.discovery-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:58px;align-items:center;padding:43px 0 38px}
.discovery-intro h1{font:400 clamp(44px,4.5vw,66px)/1.08 var(--serif);letter-spacing:-2.3px;margin:23px 0 25px}
.discovery-intro h1 em{font-weight:400;color:var(--green)}
.discovery-intro .lead{font:19px/1.75 var(--sans);max-width:470px;color:#596252;margin-bottom:0}
.discovery-intro .hero-links{gap:25px;margin-top:27px}
.discovery-intro .site-button{font-size:13px;padding:16px 21px;border-radius:0;display:inline-flex;gap:24px;align-items:center}
.discovery-intro .text-link{margin-top:0}
.discovery-promise{font:11px/1.8 var(--sans);color:#6a705f;max-width:380px;margin:25px 0 0}
.discovery-cover{position:relative;background:var(--forest);color:var(--paper);min-width:0}
.discovery-image{margin:0;position:relative;min-width:0}
.discovery-image>img{display:block;width:100%;height:auto}
.discovery-credit{font:11px/1.6 var(--sans);color:#596252}
.discovery-credit details{padding:7px 0}
.discovery-credit summary{cursor:pointer;width:fit-content;min-height:28px;padding:5px 0;text-underline-offset:3px}
.discovery-credit summary:hover{text-decoration:underline}
.discovery-credit details>span{display:block;padding:0 0 8px;max-width:100%}
.discovery-cover>.discovery-image>img{height:310px;object-fit:cover;object-position:38% 56%}
.discovery-cover>.discovery-image>.discovery-credit{position:absolute;right:12px;bottom:10px;color:#fff;background:#263e30e8;padding:3px 8px;z-index:2}
.discovery-cover.anatomy-cover>.discovery-image>img{object-fit:contain;background:#fff;padding:18px}
.discovery-cover.anatomy-cover .discovery-credit{position:relative;right:auto;bottom:auto}
.discovery-cover-copy{padding:25px 30px 27px}
.discovery-cover .eyebrow{color:#d6ddbf;margin-bottom:11px}
.discovery-cover h2{font:32px/1.14 var(--serif);margin:0 0 12px}
.discovery-cover h2 a{text-decoration:none;display:block;padding-right:32px}
.discovery-cover h2 a:after{content:"";position:absolute;inset:0}
.discovery-cover h2 a>span{position:absolute;right:28px;bottom:65px;font:27px var(--sans);transition:transform .2s}
.discovery-cover:hover h2 a>span{transform:translate(3px,-3px)}
.discovery-cover p{font:13px/1.7 var(--sans);margin:0;color:#dce3d4}
.discovery-routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--line);padding:22px 0;gap:25px}
.discovery-routes>a{display:flex;align-items:center;gap:16px;min-width:0;text-decoration:none;padding:5px 20px 5px 0;border-right:1px solid var(--line)}
.discovery-routes>a:last-child{border-right:0;padding-right:0}
.route-number{font:italic 25px var(--serif);color:var(--copper)}
.discovery-routes strong{display:block;font:21px/1.3 var(--serif)}
.discovery-routes small{display:block;font:12px/1.5 var(--sans);margin-top:5px;color:var(--muted)}
.discovery-routes>a>span:last-child{margin-left:auto;color:var(--green);font-size:20px}
.discovery-routes a:hover strong,.curiosity-copy a:hover,.discovery-story a:hover{text-decoration:underline;text-decoration-thickness:1px}
.discovery-home .site-section{padding:62px 0}
.discovery-home .section-heading{margin-bottom:28px}
.discovery-home .section-heading h2{font-size:39px;line-height:1.16;margin:0}
.curiosity-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.curiosity-card{min-width:0;display:flex;flex-direction:column;border-bottom:1px solid var(--line);position:relative}
.curiosity-card .discovery-image{background:#f0f1e9;padding:18px 18px 0}
.curiosity-card:nth-child(2) .discovery-image{background:#eee9e0}
.curiosity-card:nth-child(3) .discovery-image{background:#e7ede7}
.curiosity-card .discovery-image>img{height:235px;object-fit:contain;background:#fff}
.curiosity-copy{padding:23px 0 25px}
.curiosity-copy .eyebrow{font-size:10px;margin-bottom:13px}
.curiosity-copy h3{font:29px/1.22 var(--serif);margin:0 0 15px}
.curiosity-copy h3 a{text-decoration:none;display:block}
.curiosity-copy h3 a:after{content:"";position:absolute;inset:0}
.curiosity-copy h3 a>span{font:22px var(--sans);color:var(--green);white-space:nowrap;margin-left:8px}
.curiosity-card .discovery-credit{position:relative;z-index:2}
.curiosity-copy p{font:14px/1.8 var(--sans);color:var(--muted);margin:0}
.discovery-trail{background:var(--forest);color:var(--paper);display:grid;grid-template-columns:1.15fr 1fr;gap:70px;padding:44px 46px;position:relative}
.discovery-trail .eyebrow{color:#d3dcba}
.discovery-trail h2{font:43px/1.15 var(--serif);margin:18px 0}
.discovery-trail p{font:15px/1.8 var(--sans);color:#dce3d4;max-width:410px;margin:0}
.discovery-trail ol{list-style:none;counter-reset:trail;padding:0;margin:0;align-self:center}
.discovery-trail li{counter-increment:trail;border-bottom:1px solid #687d6f;position:relative}
.discovery-trail li:last-child{border-bottom:0}
.discovery-trail li:before{content:counter(trail,decimal-leading-zero);position:absolute;top:18px;left:0;font:italic 23px var(--serif);color:#d4bb88;pointer-events:none}
.discovery-trail a{display:block;padding:14px 28px 14px 42px;text-decoration:none}
.discovery-trail a>span:first-child{display:block;font:11px/1.5 var(--sans);color:#d4ddcb;margin-bottom:4px}
.discovery-trail a>strong{font:22px/1.3 var(--serif)}
.discovery-trail .trail-arrow{position:absolute;right:0;top:29px;font-size:20px}
.discovery-trail a:hover{background:#3b584a}
.discovery-stories{display:grid;grid-template-columns:1.1fr 1fr;gap:30px 40px}
.discovery-story{display:grid;grid-template-columns:180px 1fr;gap:23px;align-items:start;min-width:0}
.discovery-story:first-child{grid-row:span 2;display:block;border-right:1px solid var(--line);padding-right:40px}
.discovery-story .discovery-image>img{height:160px;object-fit:cover}
.discovery-story:first-child .discovery-image>img{height:295px}
.discovery-story .discovery-credit{font-size:10px;margin:7px 0 20px}
.discovery-story .eyebrow{font-size:10px;margin:0 0 12px}
.discovery-story h3{font:26px/1.25 var(--serif);margin:0 0 14px}
.discovery-story:first-child h3{font-size:32px}
.discovery-story h3 a{text-decoration:none}
.discovery-story h3 span{font:20px var(--sans);color:var(--green);white-space:nowrap}
.discovery-story p{font:14px/1.8 var(--sans);color:var(--muted);margin:0}
.discovery-directory{display:grid;grid-template-columns:1fr 1.6fr;gap:50px;background:var(--warm);padding:37px 38px}
.discovery-directory h2{font:33px/1.25 var(--serif);margin:0 0 18px}
.discovery-directory nav{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
.discovery-directory nav a{display:flex;gap:15px;justify-content:space-between;align-items:center;border-bottom:1px solid #cfc6b4;text-decoration:none;padding:17px 0;font:15px/1.5 var(--sans)}
.discovery-directory nav a:hover{text-decoration:underline}
.discovery-method{text-align:center;padding:65px 20px 15px;max-width:680px;margin:auto}
.discovery-method h2{font:34px/1.25 var(--serif);margin:0 0 16px}
.discovery-method p{font:16px/1.8 var(--sans);color:var(--muted)}
.article-meta{font-size:12px;line-height:1.7}
@media(max-width:1100px){
 .discovery-hero{gap:32px}.discovery-intro h1{font-size:clamp(40px,5vw,53px)}.discovery-intro .lead{font-size:17px}
 .discovery-routes{gap:17px}.discovery-routes>a{gap:10px;padding-right:12px}.discovery-routes strong{font-size:19px}.route-number{font-size:21px}
 .curiosity-grid{gap:22px}.curiosity-card .discovery-image>img{height:185px}.curiosity-copy h3{font-size:25px}
 .discovery-trail{gap:35px;padding:35px}.discovery-trail h2{font-size:36px}
 .discovery-stories{gap:27px}.discovery-story{grid-template-columns:120px 1fr;gap:19px}.discovery-story:first-child{padding-right:27px}.discovery-story h3{font-size:23px}.discovery-story .discovery-image>img{height:125px}
 .discovery-directory{grid-template-columns:1fr;gap:15px}
}
@media(max-width:760px){
 .discovery-hero{grid-template-columns:1fr;gap:29px;padding:32px 0}.discovery-intro h1{font-size:clamp(39px,8.2vw,59px);letter-spacing:-1.5px;max-width:620px;margin:19px 0}.discovery-intro .lead{font-size:17px;max-width:580px}.discovery-promise{margin-top:20px;max-width:none}
 .discovery-cover>.discovery-image>img{height:270px}.discovery-cover-copy{padding:23px 24px}.discovery-cover h2{font-size:31px}.discovery-cover h2 a>span{right:24px;bottom:60px}
 .discovery-routes{grid-template-columns:1fr;gap:0;padding:0}.discovery-routes>a{padding:17px 0;border-right:0;border-bottom:1px solid var(--line);gap:16px}.discovery-routes>a:last-child{border-bottom:0}.discovery-routes strong{font-size:22px}.discovery-routes small{font-size:12px}
 .discovery-home .site-section{padding:39px 0}.discovery-home .section-heading{display:block;margin-bottom:24px}.discovery-home .section-heading h2{font-size:33px}.discovery-home .section-heading>.text-link{display:inline-block;margin-top:17px}
 .curiosity-grid{grid-template-columns:1fr;gap:25px}.curiosity-card{display:grid;grid-template-columns:minmax(120px,.8fr) 1fr;gap:20px;padding-bottom:23px}.curiosity-card .discovery-image{padding:9px 9px 0;align-self:start}.curiosity-card .discovery-image>img{height:170px}.curiosity-copy{padding:5px 0 0}.curiosity-copy h3{font-size:25px}.curiosity-copy p{font-size:13px}.curiosity-copy .eyebrow{font-size:9px;letter-spacing:1px}.discovery-credit{font-size:10px}
 .discovery-trail{grid-template-columns:1fr;gap:22px;padding:30px 25px}.discovery-trail h2{font-size:36px}.discovery-trail p{font-size:14px}.discovery-trail a{padding-block:15px}.discovery-trail a>strong{font-size:23px}
 .discovery-stories{grid-template-columns:1fr;gap:28px}.discovery-story:first-child{grid-row:auto;border:0;border-bottom:1px solid var(--line);padding:0 0 27px}.discovery-story:first-child .discovery-image>img{height:auto;aspect-ratio:3/2}.discovery-story:first-child h3{font-size:30px}.discovery-story{grid-template-columns:125px 1fr;gap:18px}.discovery-story h3{font-size:23px}.discovery-story p{font-size:13px}.discovery-story .discovery-image>img{height:140px}
 .discovery-directory{padding:28px 24px;gap:15px}.discovery-directory nav{grid-template-columns:1fr}.discovery-directory h2{font-size:30px}.discovery-directory nav a{font-size:14px}.discovery-method{padding:43px 0 0}.discovery-method h2{font-size:30px}.discovery-method p{font-size:15px}
}
@media(max-width:400px){.curiosity-card{grid-template-columns:1fr;gap:15px}.curiosity-card .discovery-image>img{height:215px}.curiosity-copy{padding-bottom:3px}.discovery-story{grid-template-columns:1fr}.discovery-story .discovery-image>img{height:auto;aspect-ratio:3/2}.discovery-intro .hero-links{gap:17px}.discovery-home .eyebrow{font-size:10px}.discovery-intro .site-button{font-size:12px;gap:15px}}
@media(max-width:650px){.primary-nav{gap:6px;flex-wrap:nowrap;justify-content:space-between}.primary-nav a{font-size:10px}.primary-nav .search-button{font-size:0;gap:0;min-width:32px;min-height:46px;justify-content:center}.primary-nav .search-icon{width:13px;height:13px}}
@media(prefers-reduced-motion:reduce){.discovery-cover h2 a>span{transition:none}}
@media print{.discovery-hero,.discovery-trail,.discovery-directory,.discovery-stories{display:block}.discovery-home{color:#222}.discovery-trail{background:#fff;color:#222}.discovery-cover{background:#fff;color:#222}.discovery-cover p,.discovery-cover .eyebrow,.discovery-trail p,.discovery-trail .eyebrow{color:#444}}

/* Finding, checking and reading: shared improvements from the usability audit. */
.knowledge-tools{display:flex;flex-wrap:wrap;gap:12px 25px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.knowledge-tools a,.knowledge-tools button{font:600 14px/1.6 var(--sans);padding:10px 0;min-height:44px;text-decoration:none;background:transparent;border:0;color:var(--green)}
.knowledge-tools a[aria-current=page]{border-bottom:2px solid var(--green)}
.knowledge-tools button{display:flex;align-items:center;gap:10px;margin-left:auto}
.library-count{font:13px/1.7 var(--sans);color:var(--muted);margin:22px 0}
.system-directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px;margin:0 0 40px}
.system-tile{display:grid;grid-template-columns:minmax(0,1fr) 112px;gap:17px;padding:25px 22px;border:1px solid var(--line);background:#f3f4ec;position:relative;scroll-margin-top:25px;min-width:0}
.system-tile:nth-child(3n+2){background:#f4efe6}.system-tile:nth-child(3n+3){background:#edf2ec}
.system-tile h2{font:27px/1.2 var(--serif);margin:0 0 13px;hyphens:auto;overflow-wrap:anywhere}
.system-tile h2 a{text-decoration:none}.system-tile h2 a:after{content:"";position:absolute;inset:0}
.system-tile h2 a:hover{text-decoration:underline;text-decoration-thickness:1px}
.system-tile h2 span{font:18px var(--sans);color:var(--green)}
.system-tile .eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:14px}
.system-tile p{font:13px/1.8 var(--sans);color:#596252;margin:0}
.system-tile .discovery-image{align-self:start}.system-tile .discovery-image>img{height:126px;object-fit:contain;background:#fff;padding:4px}
.system-tile .discovery-credit{position:relative;z-index:2;font-size:11px;overflow-wrap:anywhere}
.system-tile-copy{display:contents}.system-tile-copy>.eyebrow,.system-tile h2{grid-column:1/-1;margin:0}.system-tile p{grid-column:1}.system-tile>.discovery-image{grid-column:2;grid-row:3}.system-tile{row-gap:13px}
.site-page-intro:has(+.knowledge-tools){padding:38px 0 24px}.site-page-intro:has(+.knowledge-tools) h1{font-size:clamp(36px,4.4vw,58px)}.site-page-intro:has(+.knowledge-tools) .lead{font-size:20px;margin-bottom:0}
.library-end{padding:33px;background:#eee7da;margin-bottom:50px}.library-end h2{font-size:31px;margin:0 0 12px}.library-end p{font-size:15px}
.az-jumps{display:flex;flex-wrap:wrap;gap:7px;padding:25px 0;border-bottom:1px solid var(--line)}
.az-jumps a{display:grid;place-items:center;min-width:42px;height:44px;border:1px solid var(--line);text-decoration:none;font:22px var(--serif)}
.az-jumps a:hover{background:var(--sage)}
.az-index{display:grid;grid-template-columns:1fr 1fr;gap:22px 50px;padding:30px 0 50px}
.az-letter{display:grid;grid-template-columns:35px 1fr;gap:17px;align-items:start;scroll-margin-top:25px}
.az-letter h2{font:italic 33px/1.3 var(--serif);color:var(--copper);margin:10px 0}
.az-letter ul{list-style:none;margin:0;padding:0}
.az-letter li{border-bottom:1px solid var(--line)}
.az-letter a{display:grid;grid-template-columns:1fr 18px;gap:5px 15px;padding:13px 0;text-decoration:none;font:19px/1.4 var(--serif)}
.az-letter a:hover>span:first-child{text-decoration:underline}
.az-letter small{grid-column:1;font:11px/1.6 var(--sans);color:var(--muted)}
.az-letter a>span:last-child{grid-column:2;grid-row:1/3;align-self:center;color:var(--green);font:19px var(--sans)}
.search-kind{display:flex;align-items:center;gap:12px;font:13px/1.6 var(--sans);margin:18px 0}
.search-kind select{background:var(--paper);border:1px solid #a9b4a4;padding:9px 12px;min-height:44px;max-width:100%}
#search-status,.search-empty{font:13px/1.7 var(--sans);color:#596252}
.search-hit-kind{display:block;font:11px/1.6 var(--sans);color:var(--green);margin-bottom:7px}
.search-hit a{display:inline-block;min-height:30px}.search-help{border-top:1px solid var(--line);padding-top:17px;font:14px/1.7 var(--sans)}
.search-suggestions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.search-suggestions button{font:14px/1.5 var(--sans);min-height:44px;padding:10px 14px;border:1px solid var(--line);background:var(--sage)}
.toc-panel>summary{font:600 12px/1.6 var(--sans);letter-spacing:.7px;color:var(--ink);cursor:pointer;padding:0 0 13px}
.toc-panel>nav>ol{margin-top:8px}
.reading-routes{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.reading-routes a{font:13px/1.6 var(--sans);padding:10px 14px;min-height:42px;border:1px solid #b9c3b0;text-decoration:none;color:var(--green)}
.reading-routes a:hover{background:var(--sage)}
.source-alias{display:block;scroll-margin-top:25px}
.sources li:target{background:#edf1e7;outline:2px solid #b4c0a6;outline-offset:6px}
.article-body a[href^="#quelle-"],.article-heading a[href^="#quelle-"]{font-size:12px;padding:2px 3px;line-height:1.5}
#source-dialog{width:min(680px,calc(100% - 32px))}.source-preview{font:17px/1.8 var(--serif);overflow-wrap:anywhere;padding:8px 0 25px}
.source-return.close-dialog{font:600 13px/1.6 var(--sans);width:auto;height:auto;border:1px solid #a9b4a4;padding:12px 17px;background:var(--sage)}
@media(min-width:1001px){.toc{max-height:calc(100vh - 50px);overflow-y:auto;overscroll-behavior:contain;padding-right:12px;scrollbar-width:thin}}
@media(max-width:1150px){.system-directory{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1000px){.toc{max-height:none;overflow:visible}.toc-panel>summary{padding:12px 0;min-height:44px}.toc-panel:not([open]){border-bottom:1px solid var(--line)}.toc-panel[open]>summary{margin-bottom:10px}}
@media(max-width:650px){
 .knowledge-tools{gap:6px 18px;padding:15px 0}.knowledge-tools a,.knowledge-tools button{font-size:12px}.knowledge-tools button{margin-left:0}
 .system-directory{grid-template-columns:1fr;gap:16px}.system-tile{padding:22px 19px;grid-template-columns:minmax(0,1fr) 100px;gap:15px}.system-tile h2{font-size:25px}.system-tile p{font-size:13px}
 .az-index{grid-template-columns:1fr;gap:23px}.az-letter{grid-template-columns:26px 1fr;gap:14px}.az-letter a{font-size:19px}
 .library-end{padding:25px}.library-end h2{font-size:28px}.reading-routes a{font-size:12px;padding:10px 11px}.source-preview{font-size:16px}
 .search-kind{flex-wrap:wrap}.search-kind select{flex:1;min-width:160px}
}
@media print{.knowledge-tools button,.reading-routes,.search-help{display:none}.toc{display:none}.system-directory{grid-template-columns:1fr 1fr}.system-tile{break-inside:avoid}.az-letter{break-inside:avoid}}

/* Preserve whole words in article titles while allowing very long words to fit. */
.article-heading h1{hyphens:none;word-break:normal;overflow-wrap:break-word}

/* Leseschritte bleiben ohne Script, bei wenig Bewegung und im Druck vollständig sichtbar. */
.reading-journey{display:grid;grid-template-columns:minmax(220px,.9fr) minmax(0,1.1fr);gap:30px;align-items:start;margin:30px 0 50px}
.journey-visual{padding:22px 18px 14px;background:#eef1e7;border:1px solid #d6dece;border-radius:3px}
.journey-visual .journey-label{font:25px/1.3 Georgia,serif;margin:12px 0 5px;color:#334b36}
.journey-visual svg{display:block;width:100%;height:auto;margin:8px 0}
.journey-visual text{font:20px "Segoe UI",Arial,sans-serif;fill:#334b36}
.journey-organ{fill:#e3d9be;stroke:#637f60;stroke-width:3}.journey-core{fill:#9da99b}
.journey-path{fill:none;stroke:#718c68;stroke-width:13;stroke-linecap:round;stroke-linejoin:round}
.journey-guide{fill:none;stroke:#adbca6;stroke-width:3;stroke-dasharray:6 6}
.journey-arrow{fill:none;stroke:#596f52;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.journey-dot{fill:#fffefb;stroke:#4b6047;stroke-width:2}.journey-visual .journey-number{text-anchor:middle;font-weight:600;font-size:18px}
.journey-visual .journey-zone{font-size:16px;fill:#53634e}.journey-part .journey-path,.journey-part .journey-organ{transition:opacity .25s,stroke .25s}
.journey-active .journey-part .journey-path,.journey-active .journey-part .journey-organ{opacity:.45}.journey-active .journey-part.is-current .journey-path,.journey-active .journey-part.is-current .journey-organ{opacity:1;stroke:#405c3c}
.journey-active .is-current .journey-dot{fill:#4b6047}.journey-active .is-current .journey-number{fill:white}
.journey-visual .journey-current{font:600 12px/1.6 "Segoe UI",sans-serif;margin:8px 0 0;min-height:39px;color:#4b6047}
.journey-step{padding:15px 0 28px;border-bottom:1px solid #d9ddcf;margin-bottom:18px}
.journey-index{font:italic 32px/1 Georgia,serif;color:#829073}.article-body .journey-step h3{font:25px/1.35 Georgia,serif;margin:15px 0 14px;hyphens:auto}
.article-body .journey-step p{font-size:18px;line-height:1.8;margin:0 0 15px}
.journey-step.is-current .journey-index{color:#3d5839}.journey-step:last-child{border-bottom:0;margin-bottom:0}
.reading-journey.is-enhanced .journey-visual{position:sticky;top:24px}
.reading-progress{position:fixed;left:0;top:0;height:3px;background:#657b57;z-index:20;transform-origin:left;width:100%;transform:scaleX(0);pointer-events:none}
.toc a[aria-current=location]{color:#30472c;font-weight:600;text-decoration:underline;text-underline-offset:4px}
.article-body .reading-route{padding:20px 24px;background:#f1f3eb;border-left:3px solid #8e9d7e;margin:25px 0}
.article-body .reading-route p{font:15px/1.8 "Segoe UI",Arial,sans-serif;margin:0}
.article-body .reading-route h2{font:22px/1.4 Georgia,serif;margin:0 0 10px}
.article-body .connection-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;list-style:none;padding:0;margin:25px 0}.article-body .connection-links li{display:block;padding:20px;border:1px solid #d9ddcf;background:#f5f6ef}.article-body .connection-links li>div{display:block;width:auto;max-width:none;font:14px/1.8 "Segoe UI",Arial,sans-serif}.connection-links strong{display:inline-block;font:22px/1.4 Georgia,serif;margin-bottom:10px;hyphens:auto}.connection-links a{color:#3e573b}
@media(max-width:700px){.article-body .connection-links{grid-template-columns:1fr}.connection-links strong{font-size:21px}}
@media(max-width:1150px){.reading-journey{grid-template-columns:minmax(190px,.85fr) minmax(0,1.15fr);gap:22px}.journey-visual{padding:16px 12px}.journey-visual .journey-label{font-size:22px}.article-body .journey-step h3{font-size:23px}}
@media(max-width:1000px){.reading-journey{display:block}.reading-journey.is-enhanced .journey-visual{position:static}.journey-visual{max-width:390px;margin:0 auto 25px}.journey-visual svg{max-height:380px}.journey-step{padding:10px 0 22px}.article-body .journey-step h3{font-size:25px}.journey-active .journey-part .journey-path,.journey-active .journey-part .journey-organ{opacity:1}.journey-current{display:none}.article-body .reading-route{padding:17px 20px}}
@media(prefers-reduced-motion:reduce){.journey-part *{transition:none!important}html{scroll-behavior:auto!important}}
@media print{.reading-progress{display:none}.reading-journey{display:block}.journey-visual{position:static!important;max-width:290px;margin:20px auto;break-inside:avoid}.journey-part,.journey-part .journey-path,.journey-part .journey-organ{opacity:1!important}.journey-step{break-inside:avoid}.journey-current{display:none}}