:root {
  --paper:#f7f8f3; --white:#fff; --ink:#183d35; --body:#293c35;
  --muted:#627168; --line:#d5ddd4; --leaf:#dbe6d8; --moss:#56745e;
  --clay:#a44931; --sun:#edbe91; --light:#eff3eb;
  --serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC",SimSun,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --measure:1180px; --gutter:clamp(22px,5vw,76px); --header:86px;
}
*{box-sizing:border-box}html{scroll-padding-top:116px;scrollbar-gutter:stable}body{margin:0;background:var(--paper);color:var(--body);font:16px/1.75 var(--sans);-webkit-font-smoothing:antialiased}body,button,input{font-family:var(--sans)}button,input{font-size:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{border:0;background:none;color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--clay);outline-offset:5px}button:disabled{cursor:default;opacity:.5}img{max-width:100%;height:auto}svg{display:block}::selection{background:#d3e1cb;color:var(--ink)}[hidden]{display:none!important}.visually-hidden{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:fixed;top:-100px;left:24px;background:var(--ink);color:white;padding:12px 18px;z-index:100}.skip-link:focus{top:12px}.modal-open{overflow:hidden}.wrap{max-width:calc(var(--measure) + var(--gutter)*2);padding:0 var(--gutter);margin:auto}.eyebrow{font-size:12px;line-height:1.5;letter-spacing:.12em;color:var(--muted);font-weight:500;margin:0 0 20px}.serif{font-family:var(--serif)}.text-muted{color:var(--muted)}.boot-message{padding:100px var(--gutter)}
.site-header{min-height:var(--header);padding:17px var(--gutter);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:36px;position:sticky;top:0;z-index:20;background:var(--paper)}.brand{display:flex;align-items:center;gap:14px;flex:none}.brand-mark{display:flex;align-items:center;width:31px;position:relative}.brand-mark i{width:18px;height:18px;border:1.6px solid var(--ink);border-radius:50%;flex:none}.brand-mark i+i{margin-left:-5px;border-color:var(--clay)}.brand-word{font:700 28px/1.2 var(--serif);letter-spacing:.02em;color:var(--ink)}.brand-description{display:block;font-size:9px;line-height:1.7;letter-spacing:.11em;color:var(--muted);border-left:1px solid var(--line);padding-left:14px}.brand-description span{display:block;font-size:11px;letter-spacing:.04em}.site-nav{display:flex;gap:27px;margin-left:auto;align-items:center;font-size:13px;white-space:nowrap}.site-nav a{padding:8px 0;position:relative}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--clay)}.site-nav a[aria-current=page]::after{content:"";height:2px;background:var(--clay);position:absolute;left:0;right:0;bottom:-20px}.header-actions{display:flex;gap:12px;align-items:center}.search-trigger{display:flex;gap:8px;align-items:center;min-height:44px;font-size:13px}.search-trigger svg,.search-field svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5}.menu-trigger{display:none;gap:10px;align-items:center;min-height:44px;font-size:13px}.reading-progress{height:2px;position:fixed;top:calc(var(--header) - 1px);left:0;right:0;z-index:25;pointer-events:none}.reading-progress div{height:100%;width:100%;background:var(--clay);transform:scaleX(0);transform-origin:left center;transition:transform 120ms linear}
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:clamp(40px,7vw,110px);padding-top:70px;padding-bottom:60px;align-items:center}.hero .eyebrow{margin-bottom:27px}.hero h1{font:600 clamp(46px,4.8vw,70px)/1.27 var(--serif);color:var(--ink);letter-spacing:-.025em;margin:0 0 30px;text-wrap:balance}.hero h1 em{font-style:normal;color:var(--moss)}.hero-description{max-width:390px;font-size:16px;line-height:1.95;margin:0 0 29px}.hero-description p{margin:0 0 5px}.hero-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.primary-button{display:inline-flex;justify-content:space-between;align-items:center;gap:38px;background:var(--ink);color:#fff;min-height:49px;padding:12px 20px;font-size:14px;transition:background 160ms,transform 160ms}.primary-button:hover{background:#2a564a;transform:translateY(-1px)}.text-button{display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid var(--muted);padding:5px 0;font-size:13px}.text-button:hover{color:var(--clay);border-color:var(--clay)}.resume-note{font-size:12px;color:var(--muted);margin:19px 0 0}.hero-figure{margin:0;position:relative;padding:0 23px 0 0}.hero-photo{position:relative;background:#e5ebe2}.hero-photo img{display:block;width:100%;aspect-ratio:499/606;object-fit:cover}.photo-index{position:absolute;left:-21px;top:25px;background:var(--paper);padding:8px 10px;font-size:11px;letter-spacing:.12em;writing-mode:vertical-rl;color:var(--ink)}.hero-photo::after{content:"";position:absolute;bottom:-13px;right:-13px;width:32%;height:40%;border-bottom:1px solid var(--moss);border-right:1px solid var(--moss);pointer-events:none}.hero-figure figcaption{display:flex;justify-content:space-between;gap:14px;margin-top:22px;font-size:12px;line-height:1.6;color:var(--muted)}.caption-link{font-size:12px;flex:none;padding:0;text-decoration:underline;text-underline-offset:4px}.hero-caption-title{color:var(--ink);font-family:var(--serif);font-size:16px;display:block;margin-bottom:4px}.question-strip{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);display:grid;grid-template-columns:150px 1fr;gap:30px;padding:23px 0;margin-bottom:83px}.question-strip p{font-size:12px;color:var(--muted);margin:5px 0}.question-links{display:flex;gap:20px 35px;flex-wrap:wrap}.question-links a{font-size:14px;padding:3px 0}.question-links a span{color:var(--clay);margin-left:10px}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:28px;margin:0 0 29px}.section-heading h2{font:600 clamp(28px,3vw,36px)/1.4 var(--serif);color:var(--ink);margin:0}.section-heading p{max-width:410px;font-size:13px;color:var(--muted);margin:8px 0 0}.section-heading .eyebrow{margin-bottom:12px}.section-heading>a{font-size:13px;white-space:nowrap}.series-list{border-top:1px solid var(--ink)}.volume-row{display:grid;grid-template-columns:126px minmax(0,1fr) auto;gap:35px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line)}.volume-cover{width:126px;height:158px;position:relative;padding:16px;background:var(--cover,#dce6d8);color:var(--ink);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.volume-cover small{font-size:10px;letter-spacing:.11em}.volume-cover strong{font:400 74px/1 var(--serif);letter-spacing:-.07em;position:relative;z-index:1}.volume-cover>span{font-size:11px;letter-spacing:.18em;border-top:1px solid currentColor;padding-top:8px}.volume-cover::after{content:"";height:94px;width:94px;border:1px solid currentColor;border-radius:50%;position:absolute;right:-43px;top:38px;opacity:.25}.volume-copy .eyebrow{font-size:11px;margin-bottom:7px}.volume-copy h3{font:600 26px/1.45 var(--serif);color:var(--ink);margin:0 0 7px}.volume-copy h3 a:hover{color:var(--clay)}.volume-copy p{font-size:14px;max-width:640px;color:var(--muted);margin:0 0 13px}.chapter-links{display:flex;gap:12px 22px;flex-wrap:wrap}.chapter-links a{font-size:12px;line-height:1.65;color:var(--body)}.chapter-links a span{font-size:10px;color:var(--muted);margin-right:6px}.chapter-links a:hover{text-decoration:underline;text-underline-offset:4px}.volume-arrow{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;font-size:23px;transition:background 160ms,color 160ms}.volume-arrow:hover{background:var(--ink);color:white}.series-endnote{font-size:12px;color:var(--muted);margin-top:17px}.browse-section{margin:95px 0}.browse-panels{display:grid;grid-template-columns:1fr 1fr;gap:55px;border-top:1px solid var(--ink);padding-top:28px}.browse-panel .big-index{font:italic 38px var(--serif);color:var(--moss)}.browse-panel h3{font:600 25px var(--serif);margin:10px 0 15px}.browse-panel p{font-size:14px;max-width:440px;color:var(--muted);margin-bottom:20px}.browse-panel a{font-size:13px;border-bottom:1px solid var(--line);padding-bottom:5px}.field-note{background:var(--ink);color:var(--paper);padding:50px;display:grid;grid-template-columns:1fr 1fr;gap:55px;margin:90px 0}.field-note h2{font:500 32px/1.6 var(--serif);margin:0}.field-note .eyebrow{color:#b9cebd}.field-note p{font-size:14px;line-height:1.9;margin:0;color:#d4dfd1}.field-note a{color:#f0c59d;border-bottom:1px solid #688375;display:inline-block;margin-top:18px;font-size:13px}.site-footer{border-top:1px solid var(--line);padding:30px 0 45px;display:flex;justify-content:space-between;gap:30px;color:var(--muted);font-size:12px}.site-footer strong{font-family:var(--serif);font-size:19px;color:var(--ink);margin-right:18px}.site-footer .footer-right{text-align:right}.site-footer a{text-decoration:underline;text-underline-offset:4px}
.page-intro{padding:63px 0 38px;border-bottom:1px solid var(--ink);margin-bottom:31px}.page-intro h1{font:600 clamp(36px,5vw,54px)/1.45 var(--serif);color:var(--ink);margin:0 0 18px}.page-intro p{max-width:650px;color:var(--muted);font-size:15px;margin:0}.page-intro .eyebrow{font-size:12px;margin-bottom:16px}.page-actions{display:flex;align-items:center;gap:24px;margin-top:26px}.index-controls{display:flex;align-items:center;gap:20px;margin-bottom:30px}.index-input{border:0;border-bottom:1px solid var(--muted);background:none;padding:12px 0;min-width:0;flex:1;color:var(--ink);font-size:17px}.filter-group{display:flex;gap:4px}.filter-group button{padding:9px 13px;min-height:44px;color:var(--muted);font-size:13px;border:1px solid transparent}.filter-group button[aria-pressed=true]{border-color:var(--line);color:var(--ink);background:var(--light)}.result-status{font-size:12px;color:var(--muted);margin:20px 0}.archive-list{display:grid;grid-template-columns:1fr 1fr;gap:0 42px;margin-bottom:65px}.archive-row{padding:23px 0;border-bottom:1px solid var(--line);min-width:0}.archive-row .archive-meta{display:flex;gap:13px;color:var(--muted);font-size:11px;letter-spacing:.04em;margin-bottom:8px}.archive-row h2{font:600 21px/1.5 var(--serif);margin:0 0 9px;color:var(--ink)}.archive-row h2 a:hover{color:var(--clay)}.archive-row p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.archive-row .inline-arrow{float:right;color:var(--moss);font:20px var(--sans);margin-left:15px}.empty-state{padding:48px 0 70px;max-width:600px}.empty-state h2{font:600 26px var(--serif)}.empty-state p{color:var(--muted)}
.mechanism-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:70px;padding:18px 0 90px}.mechanism-nav{display:flex;flex-direction:column;gap:0}.mechanism-nav button{display:flex;align-items:center;text-align:left;gap:16px;border-bottom:1px solid var(--line);padding:20px 13px;font-size:14px}.mechanism-nav button span{color:var(--muted);font-size:11px;flex:none}.mechanism-nav button[aria-pressed=true]{background:var(--ink);color:#fff}.mechanism-nav button[aria-pressed=true] span{color:#c4d5c6}.mechanism-view{padding-top:14px}.mechanism-view .mechanism-number{font:400 62px var(--serif);color:#90a28e;margin-bottom:12px}.mechanism-view h2{font:600 32px/1.55 var(--serif);color:var(--ink);margin:0 0 20px}.mechanism-view>.description{font-size:16px;line-height:1.95;margin-bottom:29px;max-width:610px}.mechanism-note{border-left:2px solid var(--clay);padding-left:15px;color:var(--muted);font-size:13px;margin:28px 0}.mechanism-view h3{font-size:13px;letter-spacing:.06em;font-weight:500;margin-top:35px}.related-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}.related-links a{display:flex;gap:20px;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line);font-size:15px}.related-links a:hover{color:var(--clay)}
.reader-wrap{display:grid;grid-template-columns:218px minmax(0,1fr);gap:70px;padding-top:39px;padding-bottom:70px;align-items:start}.reader-sidebar{position:sticky;top:119px;max-height:calc(100dvh - 150px);overflow:auto}.reader-sidebar .back-link{font-size:12px;color:var(--muted);display:block;margin-bottom:28px}.reader-sidebar .eyebrow{font-size:11px;margin-bottom:9px}.reader-sidebar h2{font:600 23px/1.5 var(--serif);margin:0 0 24px}.toc-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.toc-list li{border-bottom:1px solid var(--line)}.toc-list button{width:100%;text-align:left;display:flex;gap:12px;align-items:baseline;padding:14px 2px;line-height:1.6;font-size:13px;color:var(--muted)}.toc-list button span{font-size:10px;flex:none}.toc-list button[aria-current=true]{color:var(--ink);font-weight:600}.toc-list button[aria-current=true] span{color:var(--clay)}.reader-side-note{font-size:11px;line-height:1.85;color:var(--muted);margin-top:24px;max-width:175px}.reader-main{max-width:740px;min-width:0}.reader-intro{padding-bottom:45px;border-bottom:1px solid var(--line);margin-bottom:52px}.reader-intro h1{font:600 clamp(34px,4vw,46px)/1.5 var(--serif);color:var(--ink);margin:0 0 15px}.reader-intro p{font-size:15px;color:var(--muted);margin:0;line-height:1.9}.reader-intro .eyebrow{font-size:11px;margin-bottom:14px}.reader-intro-actions{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:12px}.reader-intro-actions button,.reader-intro-actions a{border-bottom:1px solid var(--line);padding:5px 0}.mobile-toc{display:none}.chapter{scroll-margin-top:0;margin-bottom:70px}.chapter-topline{display:flex;gap:15px;align-items:center;font-size:11px;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}.chapter-number{color:var(--clay);font-variant-numeric:tabular-nums}.chapter h2.chapter-title{font:600 32px/1.55 var(--serif);color:var(--ink);margin:0 0 26px;text-wrap:pretty}.reading-content{font-size:17px;line-height:1.95;overflow-wrap:anywhere}.reading-content p{margin:1.2em 0}.reading-content h1,.reading-content h2,.reading-content h3,.reading-content h4{font-family:var(--serif);line-height:1.6;color:var(--ink);margin:1.6em 0 .7em}.reading-content h1{font-size:32px}.reading-content h2{font-size:27px}.reading-content h3{font-size:22px}.reading-content h4{font-size:19px}.reading-content a{color:#3d7256;text-decoration:underline;text-decoration-color:#a8bfa9;text-underline-offset:4px}.reading-content img{display:block;margin:29px auto;max-width:100%;height:auto}.reading-content p:has(>em){font-size:12px;line-height:1.85;color:var(--muted)}.reading-content em{font-style:normal}.reading-content strong{font-weight:600;color:var(--ink)}.reading-content ul,.reading-content ol{padding-left:1.4em}.reading-content li{margin:.7em 0}.reading-content table{font-size:14px;line-height:1.8;border-collapse:collapse;display:block;overflow-x:auto;margin:25px 0}.reading-content th,.reading-content td{padding:11px 13px;border:1px solid var(--line);text-align:left;min-width:100px;vertical-align:top}.reading-content th{background:var(--light);font-weight:600}.reading-content blockquote{margin:25px 0;border-left:2px solid #abc0a6;padding:3px 20px;color:#576b5c}.reading-content pre{overflow:auto;background:var(--light);padding:20px;font-size:13px;line-height:1.7}.reading-content code{font-size:.86em;background:var(--light);padding:2px 4px}.reading-content pre code{padding:0}.reading-content details{border:1px solid var(--line);padding:15px 19px;margin:24px 0}.reading-content summary{cursor:pointer;font-size:14px}.chapter-tools{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:22px;padding:15px 0;margin:31px 0 60px;flex-wrap:wrap}.chapter-tools button{font-size:12px;color:var(--muted);padding:4px 0}.chapter-tools button:hover{color:var(--clay)}.chapter-tools .next-hint{margin-left:auto;font-size:11px;color:var(--muted)}.next-volume{padding:35px;background:var(--leaf);display:flex;gap:30px;justify-content:space-between;align-items:center;margin-top:40px}.next-volume p{font-size:12px;margin:0 0 8px;color:var(--moss)}.next-volume h2{font:600 26px var(--serif);margin:0}.next-volume>span{font-size:30px}.next-volume:hover{background:#cedfc8}.archive-reader{max-width:790px;margin:48px auto 85px}.archive-reader .archive-reader-top{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted);margin-bottom:28px}.archive-reader>h1{font:600 clamp(30px,4vw,42px)/1.5 var(--serif);margin:0 0 24px;color:var(--ink)}.archive-boundary{font-size:13px;color:var(--muted);padding:15px 20px;background:var(--light);margin-bottom:35px;border-left:2px solid var(--moss)}
dialog{border:0;color:var(--body);padding:0;background:var(--paper);box-shadow:0 18px 80px #14251d28;max-height:90dvh}dialog::backdrop{background:#172d254d}.dialog-heading{display:flex;justify-content:space-between;gap:25px;align-items:start;padding:27px 30px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:2}.dialog-heading h2{font:600 25px/1.5 var(--serif);color:var(--ink);margin:0}.dialog-heading .eyebrow{font-size:11px;margin:0 0 8px}.icon-button{width:40px;height:40px;flex:none;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;font-size:24px;line-height:1}.icon-button:hover{background:var(--leaf)}.search-dialog{width:min(680px,calc(100vw - 36px));margin:10dvh auto auto;max-height:80dvh;overflow:auto}.search-dialog .dialog-heading{position:sticky;border:0;padding-bottom:16px}.field-label{display:block;color:var(--muted);font-size:12px;margin:0 30px 10px}.search-field{display:flex;align-items:center;gap:12px;margin:0 30px;border-bottom:1px solid var(--moss)}.search-field input{background:none;border:0;width:100%;padding:14px 0;font-size:19px;color:var(--ink)}.search-field input:focus-visible{outline-offset:2px}.search-field svg{width:20px;flex:none}.search-status{font-size:12px;color:var(--muted);padding:0 30px;margin:20px 0 8px}.search-results{padding:0 30px}.search-result{display:block;padding:16px 0;border-bottom:1px solid var(--line)}.search-result small{font-size:11px;color:var(--muted)}.search-result strong{display:block;font:600 20px/1.6 var(--serif);margin-top:3px}.search-result:hover strong{color:var(--clay)}.dialog-footnote{font-size:11px;color:var(--muted);padding:12px 30px 18px}.detail-dialog{width:min(710px,100vw);max-width:100vw;height:100dvh;max-height:100dvh;margin:0 0 0 auto;overflow:auto;overscroll-behavior:contain}.detail-body{padding:25px 33px 60px;line-height:1.9}.detail-body .source-note{font-size:14px;margin:0 0 28px;color:var(--muted)}.source-list{padding:0;list-style:none}.source-list li{border-top:1px solid var(--line);padding:20px 0}.source-list .source-index{font-size:11px;color:var(--clay)}.source-list a{display:block;font-size:16px;line-height:1.7;margin:5px 0;overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:4px}.source-list small{font-size:11px;color:var(--muted);overflow-wrap:anywhere}.source-action{display:block;width:100%;text-align:left;border-top:1px solid var(--line);padding:21px 0;color:var(--ink);font-size:14px}.detail-body .reading-content{font-size:15px}.detail-body .reading-content h2{font-size:24px}.detail-body .reading-content h3{font-size:21px}.media-credits img{max-height:330px;width:auto;display:block;margin:0 auto 25px}.media-credits p{font-size:14px}.media-credits a{text-decoration:underline;color:var(--moss)}.menu-dialog{width:min(420px,100vw);height:100dvh;max-height:100dvh;max-width:100vw;margin:0 0 0 auto}.menu-dialog nav{padding:20px 30px}.menu-dialog nav a{display:flex;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:25px}.menu-dialog nav span{font-family:var(--sans);font-size:12px;color:var(--muted)}
.about-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;padding:30px 0 75px}.about-grid h2{font:600 27px/1.65 var(--serif);color:var(--ink);margin:0}.about-content{font-size:16px;line-height:2}.about-content p{margin:0 0 23px}.about-content h3{font:600 22px var(--serif);margin:42px 0 15px}.about-content ul{padding-left:22px}.about-content li{margin-bottom:12px}.quiet-button{border:1px solid var(--line);padding:10px 16px;min-height:44px;font-size:13px}.quiet-button:hover{background:var(--leaf)}
@media(min-width:1500px){.hero{padding-top:80px}.hero h1{font-size:74px}.hero-figure{max-width:430px;justify-self:end}}
@media(max-width:1120px){.brand-description{display:none}.site-nav{gap:20px}.hero{gap:45px}.hero h1{font-size:54px}.reader-wrap{grid-template-columns:190px minmax(0,1fr);gap:42px}.chapter h2.chapter-title{font-size:29px}.mechanism-layout{gap:40px;grid-template-columns:250px minmax(0,1fr)}}
@media(max-width:800px){:root{--header:72px;--gutter:26px}.site-header{padding-top:13px;padding-bottom:13px;gap:15px}.site-nav{display:none}.header-actions{margin-left:auto}.menu-trigger{display:flex}.brand-word{font-size:26px}.hero{grid-template-columns:1.2fr 1fr;gap:30px;padding-top:45px}.hero h1{font-size:42px}.hero-description{font-size:14px}.hero .eyebrow{font-size:10px;letter-spacing:.08em}.hero-figure{padding-right:10px}.hero-caption-title{font-size:14px}.hero-figure figcaption{font-size:10px}.hero-actions{gap:15px}.primary-button{font-size:13px;gap:20px;padding:11px 15px}.question-strip{grid-template-columns:1fr;gap:8px;margin-bottom:58px}.question-strip p{margin:0}.question-links{gap:12px 25px}.volume-row{grid-template-columns:100px minmax(0,1fr) 35px;gap:24px}.volume-cover{width:100px;height:134px;padding:12px}.volume-cover strong{font-size:61px}.volume-copy h3{font-size:24px}.volume-arrow{width:36px;height:36px;font-size:20px}.chapter-links{gap:7px 15px}.field-note{padding:32px;gap:30px}.field-note h2{font-size:28px}.reader-wrap{display:block;padding-top:30px}.reader-sidebar{display:none}.reader-main{margin:auto;max-width:740px}.mobile-toc{display:block;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin-top:26px;font-size:13px}.mobile-toc summary{cursor:pointer}.mobile-toc .toc-list{border-top:0;margin-top:10px}.reader-intro{padding-bottom:30px}.mechanism-layout{grid-template-columns:215px minmax(0,1fr);gap:25px}.mechanism-nav button{font-size:13px;padding:17px 9px}.mechanism-view h2{font-size:27px}.about-grid{grid-template-columns:1fr 1.6fr;gap:35px}.site-footer{font-size:11px}}
@media(max-width:600px){:root{--header:72px;--gutter:20px}.site-header{gap:10px}.brand{gap:9px}.brand-mark{width:27px}.brand-mark i{width:16px;height:16px}.brand-word{font-size:25px}.search-trigger span{display:none}.menu-trigger{gap:8px}.search-trigger,.menu-trigger{padding:0 6px}.hero{grid-template-columns:1fr;padding-top:39px;padding-bottom:35px;gap:36px}.hero h1{font-size:clamp(39px,10vw,52px);margin-bottom:22px;line-height:1.3}.hero .eyebrow{font-size:11px;margin-bottom:22px}.hero-description{font-size:15px;line-height:1.9;max-width:340px;margin-bottom:25px}.hero-figure{padding:0 12px 0 18px;max-width:345px;justify-self:center;width:100%}.hero-photo img{aspect-ratio:499/606;object-fit:contain}.photo-index{left:-17px}.hero-caption-title{font-size:16px}.hero-figure figcaption{font-size:11px}.caption-link{font-size:11px}.question-strip{padding:20px 0;margin-bottom:55px}.question-links{display:grid;gap:10px}.question-links a{font-size:14px}.section-heading{display:block;margin-bottom:23px}.section-heading h2{font-size:29px}.section-heading p{font-size:13px}.section-heading>a{display:inline-block;margin-top:15px}.volume-row{grid-template-columns:78px minmax(0,1fr);gap:18px;padding:25px 0;position:relative;align-items:start}.volume-cover{width:78px;height:113px;padding:10px}.volume-cover strong{font-size:51px}.volume-cover small{font-size:8px}.volume-cover>span{font-size:9px}.volume-copy h3{font-size:23px;line-height:1.5;padding-right:15px}.volume-copy .eyebrow{font-size:10px;margin:0 0 5px}.volume-copy p{font-size:13px;line-height:1.8;margin-bottom:12px}.chapter-links{display:grid;gap:8px}.chapter-links a{font-size:12px}.volume-arrow{position:absolute;right:0;top:26px;border:0;width:26px;height:30px;font-size:19px}.browse-section{margin:65px 0}.browse-panels{grid-template-columns:1fr;gap:30px}.browse-panel+.browse-panel{border-top:1px solid var(--line);padding-top:28px}.browse-panel .big-index{font-size:32px}.browse-panel h3{font-size:24px}.field-note{grid-template-columns:1fr;gap:22px;padding:30px 25px;margin:55px 0}.field-note h2{font-size:27px}.field-note p{font-size:14px}.site-footer{display:block;padding:24px 0 30px}.site-footer .footer-right{text-align:left;margin-top:13px;line-height:1.9}.page-intro{padding:38px 0 29px}.page-intro h1{font-size:37px}.page-intro p{font-size:14px}.page-actions{flex-wrap:wrap;gap:17px}.index-controls{display:block}.index-input{width:100%;font-size:17px}.filter-group{margin-top:16px}.filter-group button{padding:8px 13px}.archive-list{display:block}.archive-row{padding:22px 0}.archive-row h2{font-size:21px}.archive-row p{font-size:13px}.mechanism-layout{display:block;padding:0 0 60px}.mechanism-nav{display:grid;grid-template-columns:1fr 1fr;margin-bottom:30px}.mechanism-nav button{font-size:12px;padding:12px 8px;min-height:51px;gap:7px}.mechanism-nav button span{font-size:10px}.mechanism-view .mechanism-number{font-size:44px}.mechanism-view h2{font-size:28px}.mechanism-view>.description{font-size:15px}.reader-wrap{padding-top:30px}.reader-intro{margin-bottom:38px}.reader-intro h1{font-size:35px}.reader-intro p{font-size:14px}.reader-intro-actions{font-size:12px}.chapter{margin-bottom:44px;scroll-margin-top:0}.chapter-topline{font-size:10px;gap:9px;flex-wrap:wrap}.chapter h2.chapter-title{font-size:27px;line-height:1.6;margin-bottom:23px}.reading-content{font-size:17px;line-height:1.95}.reading-content p{margin:1.3em 0}.reading-content h2{font-size:25px}.reading-content h3{font-size:22px}.reading-content p:has(>em){font-size:11px}.chapter-tools{gap:15px;padding:12px 0;margin-bottom:43px}.chapter-tools button{min-height:36px;font-size:12px}.chapter-tools .next-hint{display:none}.next-volume{padding:25px;gap:20px}.next-volume h2{font-size:23px}.archive-reader{margin:33px auto 55px}.archive-reader>h1{font-size:30px}.archive-boundary{font-size:12px;padding:14px 16px}.dialog-heading{padding:22px 21px}.dialog-heading h2{font-size:23px}.detail-body{padding:20px 22px 45px}.detail-body .reading-content{font-size:16px}.search-dialog{margin:5dvh auto;width:calc(100vw - 24px);max-height:90dvh}.search-dialog .dialog-heading{padding:23px 20px 16px}.field-label{margin:0 22px 8px}.search-field{margin:0 22px}.search-field input{font-size:17px}.search-results{padding:0 22px}.search-status{padding:0 22px}.search-result strong{font-size:19px}.dialog-footnote{padding-left:22px;padding-right:22px}.about-grid{display:block;padding:15px 0 55px}.about-grid>h2{font-size:27px;margin-bottom:27px}.about-content{font-size:15px}.about-content h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.primary-button:hover{transform:none}}

h1[tabindex="-1"]:focus,h2[tabindex="-1"]:focus,main[tabindex="-1"]:focus{outline:none}

/* Draft-specific presentation extends the existing nearby reader. */
.draft-banner{display:flex;justify-content:space-between;gap:12px;padding:10px var(--gutter);background:var(--leaf);border-bottom:1px solid var(--line);font-size:12px;line-height:1.65}.draft-banner a{margin-left:16px;text-decoration:underline;text-underline-offset:3px}.site-nav{gap:18px}.brand-description{display:none}.trace-feature{margin:45px 0 80px}.trace-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.trace-card{padding:24px 0 30px;border-top:1px solid var(--line)}.trace-card h3{font:600 25px/1.65 var(--serif);margin:12px 0 14px}.trace-card h3 a:hover{color:var(--clay)}.trace-card p{font-size:14px;line-height:1.95}.trace-card small{display:block;color:var(--muted);font-size:11px;margin-top:22px}.trace-boundary{font-size:13px!important;line-height:1.9!important;color:var(--muted);max-width:850px}.trace-reader,.model-selection{max-width:790px;margin:45px auto 80px;overflow-wrap:anywhere}.trace-reader header{margin:30px 0}.trace-reader h1{font:600 clamp(30px,4vw,45px)/1.55 var(--serif);margin:17px 0 25px}.trace-trigger{font-size:14px;line-height:1.95;color:var(--muted);border-left:2px solid var(--line);padding-left:18px}.trace-trigger span{display:block;color:var(--moss);font-size:11px;margin-bottom:8px}.trace-voice{background:var(--leaf);padding:28px 34px;margin:35px 0}.trace-voice .reading-content{font-size:17px}.trace-voice blockquote{font-family:var(--serif);font-size:22px;line-height:1.9;border-left-color:var(--moss)}.trace-voice blockquote p{margin:.7em 0}.editor-boundary{margin:35px 0 30px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:13px;line-height:1.95}.editor-boundary strong{font-weight:500;color:var(--moss)}.trace-section{margin:40px 0}.trace-section h2,.model-selection>h2{font:600 28px/1.65 var(--serif)}.trace-provenance{font-size:13px;line-height:1.95;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;overflow-wrap:anywhere}.trace-provenance summary{cursor:pointer}.trace-provenance p{color:var(--muted)}.trace-companions{margin:35px 0}.trace-companions .related-links a{font-size:15px}.trace-new{border-left:3px solid var(--clay);padding-left:24px}.trace-review-link{font-size:12px;text-decoration:underline}.review-form{border:1px solid var(--line);margin:25px 0 35px;font-size:13px}.review-form summary{padding:15px 18px;cursor:pointer}.review-form>div{padding:0 18px 20px}.review-form label{display:block;margin:16px 0;line-height:1.8}.review-form select,.review-form textarea{display:block;width:100%;max-width:100%;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:12px;font:inherit;margin-top:8px;min-height:44px}.review-form textarea{resize:vertical}.review-form p,.review-form small{color:var(--muted);line-height:1.8}.scope-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-bottom:35px}.scope-grid h2{font:600 27px/1.6 var(--serif)}.scope-grid p{font-size:15px;line-height:2}.review-list{max-width:850px;margin:45px auto}.review-list>article{margin-bottom:38px;border-top:1px solid var(--line);padding-top:25px}.review-list h2{font:600 23px/1.7 var(--serif)}.review-list .review-form{margin-top:15px}.model-selection{border-top:1px solid var(--line);padding-top:40px}.reading-content a{overflow-wrap:anywhere}
@media(max-width:1050px){.trace-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.trace-grid>.trace-card:last-child:nth-child(3){grid-column:1/-1}.site-nav{gap:14px}}
@media(max-width:600px){.draft-banner{display:block;font-size:10px;padding:8px 20px}.draft-banner>span{display:block}.draft-banner a{margin-left:10px}.trace-feature{margin:20px 0 55px}.trace-grid{grid-template-columns:1fr;gap:6px}.trace-card{padding:22px 0}.trace-card h3{font-size:24px}.trace-reader{margin:30px auto 55px}.trace-reader h1{font-size:30px}.trace-voice{padding:20px 18px;margin:25px 0}.trace-voice blockquote{font-size:20px;margin-left:0;margin-right:0;padding-left:14px}.trace-section h2{font-size:25px}.trace-new{padding-left:15px}.scope-grid{grid-template-columns:1fr;gap:15px}.trace-provenance{font-size:12px}.model-selection{margin-top:20px}.trace-reader .next-volume h2{font-size:22px}.review-list{margin:30px 0}.review-list h2{font-size:22px}}