:root{--paper:#f5f2eb;--panel:#ece9e0;--ink:#262e29;--body:#41473f;--muted:#6b7166;--accent:#ad4434;--line:#d7d7cb;--quote:#28392f;--quote-ink:#f1eee2;--header:rgba(245,242,235,.93);--serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","STSong","SimSun",serif;--sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--reading-size:18px;--ease:cubic-bezier(.22,1,.36,1);color-scheme:light}
:root[data-theme=dark]{--paper:#191f1c;--panel:#242c26;--ink:#e6e8da;--body:#c6cbbb;--muted:#a3ad9d;--accent:#ea9a7e;--line:#3b443b;--quote:#101a14;--quote-ink:#e8e6d8;--header:rgba(25,31,28,.93);color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;-webkit-font-smoothing:antialiased;transition:background-color .35s,color .35s}::selection{background:var(--accent);color:var(--paper)}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit;cursor:pointer}button:disabled{opacity:.32;cursor:default}button,a,input,summary{-webkit-tap-highlight-color:transparent}button svg,button span,a svg{pointer-events:none}svg{display:block}button svg,a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}button{border:0;background:none}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:2px}h1,h2,h3,p{margin:0}h1,h2,h3{overflow-wrap:anywhere}a,button{touch-action:manipulation}[hidden]{display:none!important}.page-width{width:min(1280px,calc(100% - 112px));margin-inline:auto}.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.11em;line-height:1.7;color:var(--muted)}
.skip-link{position:fixed;top:-70px;left:20px;z-index:200;padding:12px 20px;background:var(--ink);color:var(--paper)}.skip-link:focus{top:10px}.reading-progress{position:fixed;inset:0 0 auto;height:3px;z-index:101;background:transparent;pointer-events:none}.reading-progress>div{height:100%;width:100%;transform:scaleX(0);transform-origin:left;background:var(--accent);transition:transform .12s linear}.site-header{position:sticky;top:0;z-index:60;background:var(--header);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .35s,background-color .35s}.site-header.is-scrolled{border-bottom-color:var(--line)}.header-inner{width:min(1380px,calc(100% - 80px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:88px}.brand{display:flex;align-items:center;gap:13px}.brand-mark{width:38px;height:38px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:square}.brand-mark circle{fill:var(--accent);stroke:none}.brand>span{font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:.15em;white-space:nowrap}.brand small{display:block;margin-top:3px;font-family:var(--mono);font-size:8px;font-weight:400;letter-spacing:.12em;color:var(--muted)}.top-nav{display:flex;gap:38px;margin-left:auto;margin-right:40px;font-size:13px;color:var(--muted)}.top-nav a{position:relative;padding:12px 0;transition:color .2s}.top-nav a::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:1px;transform:scaleX(0);transform-origin:left;background:var(--accent);transition:transform .35s var(--ease)}.top-nav a:hover{color:var(--ink)}.top-nav a:hover::after{transform:scaleX(1)}.header-actions{display:flex;align-items:center;gap:12px}.icon-button{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;transition:background-color .2s,transform .3s var(--ease)}.icon-button:hover{background:var(--panel);transform:translateY(-2px)}.action-divider{width:1px;height:16px;background:var(--line)}.sun-icon{display:none}:root[data-theme=dark] .moon-icon{display:none}:root[data-theme=dark] .sun-icon{display:block}
.hero{padding-top:39px;padding-bottom:0}.cover-meta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;letter-spacing:.08em;border-bottom:1px solid var(--line);padding-bottom:18px}.cover-meta>span:first-child{display:flex;align-items:center;gap:9px}.cover-meta i{width:6px;height:6px;background:var(--accent);border-radius:50%}.cover-meta>span:last-child{font-family:var(--mono);font-size:10px}.cover-meta b{margin:0 10px;font-weight:400;color:var(--line)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);gap:64px;align-items:center;padding:61px 0 67px}.hero-copy{min-width:0}.hero-kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;letter-spacing:.08em;line-height:1.8;color:var(--muted);margin-bottom:30px}.hero-kicker>span:first-child{color:var(--accent)}.kicker-rule{display:block;width:22px;height:1px;background:var(--line)}.hero h1{font-family:var(--serif);font-size:clamp(58px,6.4vw,92px);font-weight:500;letter-spacing:-.04em;line-height:1.2;word-break:keep-all;overflow-wrap:normal}.hero h1 em{display:block;font-style:normal;color:var(--accent)}.hero-description{font-size:15px;line-height:2;color:var(--body);margin-top:28px;letter-spacing:.015em}.hero-actions{display:flex;align-items:center;gap:27px;margin-top:33px;flex-wrap:wrap}.primary-link{display:flex;align-items:center;justify-content:space-between;gap:34px;font-size:13px;min-height:50px;padding:0 22px;background:var(--ink);color:var(--paper);transition:background-color .25s,transform .3s var(--ease)}.primary-link:hover{background:var(--accent);transform:translateY(-3px)}.primary-link svg{width:19px;height:19px;transition:transform .3s var(--ease)}.primary-link:hover svg{transform:translateX(3px)}.secondary-link{font-size:13px;display:flex;align-items:center;gap:20px;padding-block:12px;color:var(--muted)}.secondary-link:hover{color:var(--accent)}.resume-link{font-size:12px;color:var(--accent);padding:9px 0;border-bottom:1px solid currentColor}.hero-art{min-width:0;position:relative;margin-top:25px}.art-topline{display:flex;justify-content:space-between;align-items:center;font:10px var(--mono);letter-spacing:.08em;padding-bottom:15px;border-bottom:1px solid var(--line)}.art-topline>span:nth-child(2){font-size:8px;color:var(--muted)}.orbit-art{width:100%;height:auto;color:var(--ink);overflow:visible;max-height:425px}.orbit-lines{stroke:var(--ink);stroke-width:.75;opacity:.27;transform:rotate(-24deg);transform-origin:260px 235px}.orbit-path{stroke:var(--accent);stroke-width:1.1;opacity:.7}.orbit-path-light{stroke:var(--ink);stroke-width:.65;opacity:.3}.orbit-cross{stroke:var(--muted);stroke-width:.7}.orbit-dot{animation:orb-drift 12s ease-in-out infinite;transform-origin:260px 235px}.art-side-label{position:absolute;right:-17px;top:39%;writing-mode:vertical-rl;font:8px var(--mono);letter-spacing:.15em;color:var(--muted)}.art-caption{display:flex;align-items:center;gap:13px;border-top:1px solid var(--line);padding-top:22px}.art-caption-dot{width:8px;height:8px;border:1px solid var(--accent);border-radius:50%;flex-shrink:0}.art-caption p{font-family:var(--serif);font-size:19px;line-height:1.75}.art-caption strong{font-weight:500}.art-coordinate{margin-left:auto;font:8px/1.7 var(--mono);letter-spacing:.1em;color:var(--muted)}.hero-facts{display:grid;grid-template-columns:1.05fr 1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:28px}.hero-facts>div{padding-inline:38px;border-left:1px solid var(--line)}.hero-facts>div:first-child{padding-left:0;border-left:0}.fact-label{display:block;font-size:11px;color:var(--muted);margin-bottom:11px}.hero-facts strong{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;font:34px/1.2 Georgia,var(--serif);letter-spacing:-.04em}.hero-facts small{font:11px/1.6 var(--sans);letter-spacing:.02em;color:var(--muted)}
.reading-map{padding-top:79px;padding-bottom:82px}.map-heading{display:grid;grid-template-columns:1fr auto;align-items:end;gap:9px 36px;margin-bottom:36px}.map-heading .eyebrow{grid-column:1/-1}.map-heading h2{font:32px/1.5 var(--serif);font-weight:500}.map-heading>p:last-child{font-size:12px;color:var(--muted);padding-bottom:6px;line-height:1.9}.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--line)}.entry-link{min-width:0;display:flex;flex-direction:column;padding:28px 31px 23px;border-left:1px solid var(--line);transition:background .3s,transform .4s var(--ease)}.entry-link:first-child{border-left:0;padding-left:0}.entry-link:last-child{padding-right:0}.entry-index{font:9px/1.7 var(--mono);letter-spacing:.06em;color:var(--muted)}.entry-link h3{font:23px/1.6 var(--serif);font-weight:500;display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:22px}.entry-link h3>span{color:var(--accent);font:20px var(--sans);transition:transform .35s var(--ease)}.entry-link:hover h3>span{transform:translate(3px,-3px)}.entry-link>p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:10px}.entry-bottom{display:flex;justify-content:space-between;gap:10px;font-size:10px;line-height:1.8;color:var(--muted);margin-top:31px;padding-top:15px;border-top:1px solid var(--line)}.entry-bottom>span{color:var(--ink);font-size:16px}.entry-link:hover{background:var(--panel)}
.quote-band{background:var(--quote);color:var(--quote-ink)}.quote-inner{padding-block:51px;display:grid;grid-template-columns:1fr auto;gap:20px 50px;align-items:end}.quote-inner>.eyebrow{grid-column:1/-1;color:#bac5b4;font-size:10px}.quote-inner>p{font:29px/1.95 var(--serif);font-weight:400;letter-spacing:.02em}.quote-inner>p span{color:#dfa28b}.quote-inner>a{font-size:11px;white-space:nowrap;display:flex;gap:22px;align-items:center;padding-bottom:9px;color:#c5cebe}.quote-inner>a:hover{color:#dfa28b}
.reader-layout{display:grid;grid-template-columns:210px minmax(0,1fr) 24px;gap:58px;padding-top:89px;padding-bottom:60px;align-items:start}.reader-sidebar{min-width:0;height:100%}.sidebar-sticky{position:sticky;top:113px;max-height:calc(100dvh - 145px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding-right:5px}.sidebar-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:21px}.sidebar-heading .eyebrow{font-size:10px}.chapter-counter{font:10px var(--mono);color:var(--muted)}.toc{display:grid;gap:3px}.toc-link{display:grid;grid-template-columns:24px minmax(0,1fr) 12px;gap:7px;align-items:start;min-height:43px;padding:11px 5px 10px 0;color:var(--muted);font-size:12px;line-height:1.8;border-bottom:1px solid transparent;transition:color .25s,background-color .25s}.toc-number{font:10px/2.1 var(--mono);color:var(--muted)}.toc-link svg{width:12px;height:12px;opacity:0;margin-top:5px;color:var(--accent);transition:opacity .3s,transform .3s}.toc-link:hover{color:var(--ink)}.toc-link.active{color:var(--accent)}.toc-link.active .toc-number{color:var(--accent)}.toc-link.active svg,.toc-link:hover svg{opacity:1}.timeline-menu{border-top:1px solid var(--line);margin-top:19px;padding-top:12px}.timeline-menu summary{display:flex;gap:9px;align-items:center;font-size:11px;min-height:36px;cursor:pointer;list-style:none;color:var(--muted)}.timeline-menu summary::-webkit-details-marker{display:none}.timeline-menu summary>span{font:9px var(--mono);padding:2px 5px;background:var(--panel)}.timeline-menu summary svg{width:13px;height:13px;margin-left:auto;stroke:currentColor;fill:none;transition:transform .3s}.timeline-menu[open] summary svg{transform:rotate(180deg)}.timeline-menu nav{display:grid;gap:1px;padding:8px 0 6px 12px}.timeline-menu nav a{font-size:11px;line-height:1.75;padding:7px 0;color:var(--muted)}.timeline-menu nav a span{display:block;font:9px/1.9 var(--mono);color:var(--accent)}.timeline-menu nav a:hover{color:var(--accent)}.sidebar-tools{border-top:1px solid var(--line);margin-top:15px;padding-top:23px}.font-tool{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted)}.font-tool>div{display:flex;align-items:center;gap:7px}.font-tool button{font:13px Georgia,var(--serif);min-width:31px;min-height:32px;border:1px solid var(--line);transition:background .25s}.font-tool button:hover{background:var(--panel)}.font-tool output{font:10px var(--mono);min-width:16px;text-align:center}.reading-status{margin-top:27px;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted)}.reading-status strong{font:10px var(--mono);color:var(--accent)}.sidebar-progress{height:2px;background:var(--line);margin-top:10px}.sidebar-progress span{height:100%;display:block;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .15s linear}.sidebar-note{margin-top:21px;font-size:10px;color:var(--muted);line-height:1.9}.reader-margin{position:sticky;top:150px;writing-mode:vertical-rl;font:8px var(--mono);letter-spacing:.15em;color:var(--muted);padding-top:6px}
.prose{min-width:0;max-width:760px;font-size:var(--reading-size);line-height:2.05;color:var(--body);overflow-wrap:break-word}.prose:focus{outline:none}.prose p{margin-bottom:1.05em;letter-spacing:.015em}.article-intro{padding-bottom:26px;margin-bottom:52px}.article-intro .eyebrow{font-size:10px;color:var(--accent);margin-bottom:17px}.original-title{font:26px/1.8 var(--serif);font-weight:500;color:var(--ink);margin-bottom:22px}.article-intro>p:not(.eyebrow){font-size:14px;line-height:2.05;color:var(--muted)}.chapter{margin-bottom:100px;scroll-margin-top:105px}.chapter-heading{border-top:1px solid var(--line);padding-top:30px;margin-bottom:32px}.chapter-heading .eyebrow{font-size:10px;display:flex;align-items:center;gap:12px;margin-bottom:17px}.chapter-heading .eyebrow>span{color:var(--accent);font-size:12px}.chapter-heading h2{font:30px/1.75 var(--serif);font-weight:500;color:var(--ink);text-wrap:pretty}.prose .subheading{font:23px/1.8 var(--serif);font-weight:500;color:var(--ink);margin:43px 0 23px}.prose blockquote{position:relative;margin:35px 0 37px;padding:23px 28px 6px;border-left:2px solid var(--accent);background:var(--panel);color:var(--ink)}.prose blockquote p{font:22px/1.95 var(--serif);margin-bottom:17px;letter-spacing:.01em}.prose ul{padding-left:1.2em;margin:20px 0 30px}.prose li{padding-left:5px;margin-bottom:12px}.prose li::marker{color:var(--accent)}.stage{margin-top:51px;scroll-margin-top:112px}.stage-heading{display:flex;align-items:center;gap:18px;padding-top:22px;border-top:1px solid var(--line);margin-bottom:13px}.stage-number{font:32px Georgia,var(--serif);color:var(--accent)}.stage-heading h3{font:12px/1.8 var(--mono);color:var(--muted);font-weight:400}.prose .stage-lead{font:23px/1.85 var(--serif);font-weight:500;color:var(--ink);margin-bottom:27px}.prose .connection-label{font-size:12px;letter-spacing:.08em;color:var(--accent);margin:32px 0 16px;display:flex;align-items:center;gap:12px}.connection-label::before{content:"";width:20px;height:1px;background:var(--accent);flex-shrink:0}.prose .source-trace{font:11px/1.9 var(--sans);color:var(--muted);background:var(--panel);padding:10px 15px;border-left:1px solid var(--line);margin-bottom:28px}.prose .editor-note{font-size:calc(var(--reading-size) - 1px);padding:18px 22px;background:var(--panel);border-left:2px solid var(--accent);margin-block:28px}.prose .concept-label{font:23px/1.7 var(--serif);color:var(--accent);margin:27px 0 8px}.prose .year-label{font:11px/1.7 var(--mono);letter-spacing:.08em;color:var(--accent);margin-top:27px;margin-bottom:9px}.prose .method-title{font:23px/1.8 var(--serif);color:var(--ink);border-top:1px solid var(--line);padding-top:25px;margin-top:28px;margin-bottom:14px}.table-wrap{max-width:100%;margin:31px 0 36px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.prose table{width:100%;min-width:580px;border-collapse:collapse;font-size:13px;line-height:1.95;text-align:left}.prose th{font-size:11px;font-weight:500;background:var(--panel);padding:15px 16px;color:var(--muted);white-space:nowrap}.prose td{padding:17px 16px;border-top:1px solid var(--line);vertical-align:top;min-width:100px}.prose td:first-child{color:var(--ink);font-weight:500}.prose th:first-child,.prose td:first-child{padding-left:14px}.prose tbody tr{transition:background .2s}.prose tbody tr:hover{background:var(--panel)}.timeline-table td:first-child{font:10px/2 var(--mono);white-space:nowrap;font-weight:400;color:var(--muted);min-width:190px}.timeline-table td{padding-block:12px;font-size:12px}.timeline-table td:nth-child(2){min-width:168px}.timeline-table a{display:inline-flex;gap:7px;color:var(--ink)}.timeline-table a span{color:var(--accent);opacity:0;transition:opacity .3s}.timeline-table a:hover{color:var(--accent)}.timeline-table a:hover span{opacity:1}.search-target{animation:target-highlight 2.3s ease-out}
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.mobile-toolbar{display:none}.reader-dialog{padding:30px;border:1px solid var(--line);width:min(660px,calc(100% - 40px));max-height:min(720px,calc(100dvh - 80px));background:var(--paper);color:var(--ink);box-shadow:0 24px 80px rgba(0,0,0,.17);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}.reader-dialog[open]{animation:dialog-in .35s var(--ease)}.reader-dialog::backdrop{background:rgba(10,18,13,.4);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:27px}.dialog-heading .eyebrow{font-size:9px;color:var(--accent);margin-bottom:8px}.dialog-heading h2{font:24px/1.6 var(--serif);font-weight:500}.dialog-heading .icon-button{flex-shrink:0}.dialog-toc .toc-link{font-size:14px;min-height:49px;padding:13px 4px;border-bottom:1px solid var(--line)}.dialog-toc .toc-number{font-size:11px}.dialog-toc .toc-link svg{opacity:.4}.search-field{display:flex;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid var(--accent)}.search-field svg{width:22px;height:22px;fill:none;stroke:var(--accent);stroke-width:1.5;flex-shrink:0}.search-field input{min-width:0;width:100%;background:none;border:0;border-radius:0;color:var(--ink);outline:0;font-size:17px;line-height:1.8}.search-field input::placeholder{color:var(--muted);font-size:14px}.search-field input:focus-visible{outline:none}.search-field:focus-within{box-shadow:0 1px var(--accent)}.search-meta{font-size:11px;color:var(--muted);padding:17px 0;line-height:1.9}.search-results{display:grid;max-height:430px;overflow-y:auto}.search-result{padding:16px 0;display:block;text-align:left;border-bottom:1px solid var(--line);width:100%;transition:background .2s}.search-result:hover{background:var(--panel)}.search-result .result-chapter{display:block;font:9px/1.8 var(--mono);letter-spacing:.04em;color:var(--accent);margin-bottom:6px}.search-result p{font-size:13px;line-height:1.9;color:var(--body)}.search-result mark{background:var(--panel);color:var(--accent);font-weight:600}.search-empty{font-size:13px;color:var(--muted);line-height:1.9;padding:25px 0}.search-suggestions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:18px}.search-suggestions>span{width:100%;font-size:11px;color:var(--muted);margin-bottom:5px}.search-suggestions button{font-size:12px;border:1px solid var(--line);padding:8px 13px;transition:background .2s}.search-suggestions button:hover{background:var(--panel)}.toast{position:fixed;left:50%;bottom:36px;transform:translate(-50%,12px);z-index:150;background:var(--ink);color:var(--paper);padding:11px 21px;font-size:12px;max-width:calc(100% - 32px);text-align:center;opacity:0;pointer-events:none;transition:opacity .25s,transform .3s var(--ease)}.toast.visible{opacity:1;transform:translate(-50%,0)}
.hero-enter{animation:hero-in .85s var(--ease) both}.cover-meta{animation-delay:.05s}.hero-kicker{animation-delay:.13s}.hero h1{animation-delay:.22s}.hero-description{animation-delay:.34s}.hero-actions{animation-delay:.43s}.hero-art{animation-delay:.3s}.hero-facts{animation-delay:.5s}.has-motion .reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.has-motion .reveal.is-visible{opacity:1;transform:translateY(0)}.entry-link:nth-child(2){transition-delay:.06s}.entry-link:nth-child(3){transition-delay:.12s}@keyframes hero-in{from{opacity:0;transform:translateY(21px)}to{opacity:1;transform:translateY(0)}}@keyframes orb-drift{0%,100%{transform:rotate(-5deg)}50%{transform:rotate(8deg)}}@keyframes dialog-in{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes target-highlight{0%,30%{background:var(--panel);box-shadow:0 0 0 8px var(--panel)}100%{background:transparent;box-shadow:0 0 0 0 transparent}}
@media(min-width:1800px){.page-width{width:min(1380px,calc(100% - 160px))}.hero-grid{gap:110px}.hero h1{font-size:100px}.hero-art{max-width:470px}.reader-layout{grid-template-columns:225px minmax(0,800px) 1fr;gap:90px}.reader-margin{justify-self:end}.hero-facts{padding-block:32px}}
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@media(max-width:699px){html{scroll-padding-top:91px}.page-width{width:calc(100% - 40px)}.header-inner{width:calc(100% - 32px);min-height:72px}.brand-mark{width:32px;height:32px}.brand{gap:9px}.brand>span{font-size:20px}.brand small{font-size:7px}.top-nav{display:none}.header-actions{gap:5px}.icon-button{width:39px;height:39px}.action-divider{margin-inline:3px}.hero{padding-top:22px}.cover-meta{font-size:10px;letter-spacing:.025em;padding-bottom:15px}.cover-meta>span:last-child{font-size:9px}.cover-meta b{margin-inline:5px}.hero-grid{display:block;padding-top:34px;padding-bottom:35px}.hero-kicker{font-size:11px;gap:8px;letter-spacing:.01em;margin-bottom:22px}.hero h1{font-size:clamp(56px,12vw,78px);letter-spacing:-.035em;line-height:1.23}.hero-description{font-size:13px;line-height:2;margin-top:23px}.hero-actions{margin-top:26px;gap:24px}.primary-link{min-height:48px;padding-inline:20px;gap:32px}.secondary-link{gap:15px;font-size:12px}.hero-art{display:none}.hero-facts{padding-block:22px;grid-template-columns:1.15fr .9fr .8fr}.hero-facts>div{padding-inline:14px}.hero-facts>div:last-child{padding-right:0}.fact-label{font-size:9px;line-height:1.8;margin-bottom:9px}.hero-facts strong{font-size:24px;letter-spacing:-.05em}.hero-facts small{font-size:9px;line-height:1.8;margin-top:8px}.reading-map{padding-top:49px;padding-bottom:49px}.map-heading{margin-bottom:24px}.map-heading .eyebrow{font-size:9px}.map-heading h2{font-size:28px;margin-top:9px}.map-heading>p:last-child{font-size:11px}.entry-grid{display:block}.entry-link,.entry-link:first-child,.entry-link:last-child{padding:22px 0;border-left:0;border-top:1px solid var(--line)}.entry-link:first-child{border-top:0}.entry-index{font-size:8px}.entry-link h3{font-size:23px;margin-top:10px}.entry-link>p{font-size:12px;margin-top:5px}.entry-bottom{margin-top:15px;padding-top:10px;font-size:10px}.entry-link:hover{background:none}.quote-inner{padding-block:35px;gap:16px}.quote-inner>.eyebrow{font-size:9px}.quote-inner>p{font-size:clamp(19px,4.7vw,25px);line-height:2.05}.quote-inner>p br{display:none}.quote-inner>a{font-size:10px;padding-bottom:0}.reader-layout{padding-top:45px}.article-intro .eyebrow{font-size:9px}.original-title{font-size:23px;line-height:1.8;margin-bottom:19px}.article-intro>p:not(.eyebrow){font-size:12px;line-height:2.05}.prose{font-size:var(--reading-size);line-height:2.02}.prose p{letter-spacing:.01em;margin-bottom:1.05em}.chapter{margin-bottom:68px;scroll-margin-top:89px}.chapter-heading{padding-top:23px;margin-bottom:24px}.chapter-heading .eyebrow{font-size:9px;margin-bottom:13px}.prose .chapter-heading h2{font-size:25px;line-height:1.75}.prose .subheading{font-size:21px;line-height:1.8;margin-top:34px;margin-bottom:21px}.stage{margin-top:35px;scroll-margin-top:89px}.stage-heading{gap:13px;padding-top:21px}.stage-number{font-size:28px}.stage-heading h3{font-size:10px;line-height:1.8}.prose .stage-lead{font-size:21px;line-height:1.85;margin-bottom:24px}.prose .connection-label{font-size:11px;line-height:1.8;gap:9px;margin-top:27px}.prose blockquote{margin:28px 0;padding:20px 20px 5px}.prose blockquote p{font-size:20px;line-height:2}.prose .editor-note{padding:16px 18px}.prose .source-trace{font-size:10px;padding:10px 12px}.prose .method-title{font-size:21px;line-height:1.8}.table-wrap{margin:25px 0 29px}.table-wrap::after{content:"左右滑动，查看完整表格 ↔";display:block;position:sticky;left:0;font-size:9px;line-height:1.8;color:var(--muted);padding:8px 12px;background:var(--paper);width:100%;border-top:1px solid var(--line)}.prose table{font-size:12px;min-width:560px}.prose th{padding:12px 14px;font-size:10px}.prose td{padding:14px}.timeline-table td:first-child{font-size:9px;min-width:172px}.timeline-table td{padding-block:11px}.timeline-table a span{opacity:.6}.closing{padding-top:0;padding-bottom:40px}.closing-inner{padding-top:31px}.closing-inner>.eyebrow{font-size:8px;letter-spacing:.06em}.closing h2{font-size:31px;line-height:1.7;margin-top:21px}.closing-bottom{margin-top:20px;gap:15px}.closing-bottom p{font-size:10px;line-height:1.9}.closing-bottom a{font-size:11px;gap:16px;flex-shrink:0}.site-footer{display:grid;grid-template-columns:1fr auto;gap:16px;padding-top:24px}.site-footer>p{grid-column:1/-1;grid-row:2;font-size:9px;line-height:1.8}.footer-brand{font-size:16px}.footer-brand span{font-size:7px;margin-left:8px;letter-spacing:.02em}.download-link{font-size:10px;gap:9px}.reader-dialog{padding:23px;width:calc(100% - 28px);max-height:calc(100dvh - 64px)}.dialog-heading{gap:10px;margin-bottom:19px}.dialog-heading h2{font-size:22px}.dialog-heading .eyebrow{font-size:8px}.contents-dialog{margin:auto 0 0;width:100%;max-height:88dvh;border-radius:16px 16px 0 0;padding:25px 23px calc(28px + env(safe-area-inset-bottom));border-bottom:0;border-inline:0}.dialog-toc .toc-link{font-size:13px}.search-field input{font-size:16px}.search-field input::placeholder{font-size:12px}.search-results{max-height:48dvh}.search-suggestions button{font-size:11px}.mobile-toolbar{padding-inline:12px;gap:0}.mobile-toolbar button{font-size:10px;gap:6px;padding-inline:6px}.mobile-progress-label{font-size:9px;margin-inline:8px auto}.toast{font-size:11px;width:max-content}}
@media(max-width:359px){.page-width{width:calc(100% - 32px)}.header-inner{width:calc(100% - 24px)}.brand>span{font-size:18px}.brand-mark{width:29px;height:29px}.header-actions{gap:0}.hero-kicker{font-size:10px}.hero h1{font-size:51px}.cover-meta{font-size:9px}.cover-meta>span:last-child{font-size:8px}.hero-facts>div{padding-inline:10px}.hero-facts strong{font-size:21px}.fact-label{font-size:8px}.hero-facts small{font-size:8px}.hero-description{font-size:12px}.quote-inner>p{font-size:19px}.hero-actions{gap:19px}.primary-link{padding-inline:17px;gap:27px;font-size:12px}.prose .chapter-heading h2{font-size:23px}.stage-heading h3{font-size:9px}.mobile-toolbar button{gap:4px;min-width:48px}.mobile-progress-label{font-size:8px;margin-inline:4px auto}.footer-brand span{display:none}}
.dialog-open{overflow:hidden}html{scrollbar-gutter:stable}.prose [id]{scroll-margin-top:110px}
@media(hover:none){.icon-button:hover,.primary-link:hover{transform:none}.entry-link:hover{background:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.has-motion .reveal{opacity:1;transform:none}.orbit-dot{transform:none}}
@media print{:root,:root[data-theme=dark]{--paper:#fff;--ink:#111;--body:#222;--muted:#555;--line:#ddd;--panel:#f4f4f4;--accent:#111;--reading-size:11pt}html{scroll-behavior:auto}body{background:white;color:#111}.site-header,.hero,.reading-map,.quote-band,.reader-sidebar,.reader-margin,.mobile-toolbar,.reading-progress,.reader-dialog,.toast,.closing,.site-footer,.skip-link{display:none!important}.reader-layout{display:block;width:100%;padding:0}.prose{max-width:none;line-height:1.65;font-size:11pt}.chapter{margin-bottom:25pt}.chapter-heading{padding-top:15pt;margin-bottom:15pt;break-after:avoid}.chapter-heading h2{font-size:20pt!important}.stage-heading,.subheading,.method-title{break-after:avoid}.stage{margin-top:18pt}.prose p{orphans:3;widows:3}.table-wrap{overflow:visible}.prose table{min-width:0;font-size:9pt}.prose td,.prose th{min-width:0;padding:7pt}.table-wrap::after{display:none}.has-motion .reveal{opacity:1;transform:none}.article-intro{padding-bottom:12pt;margin-bottom:15pt}.original-title{font-size:21pt}.prose blockquote p{font-size:13pt}.prose .stage-lead{font-size:14pt}}
/* The shelf is shared; each book keeps its own untouched reading document. */
.shelf-menu-button{flex-shrink:0;margin-right:-16px;color:var(--ink)}.header-inner{gap:24px}.book-shelf{padding-top:33px;padding-bottom:8px;scroll-margin-top:98px}.shelf-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:21px}.shelf-heading h2{font:28px/1.4 var(--serif);font-weight:500}.shelf-count{font:10px var(--mono);color:var(--muted)}.current-books{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.shelf-book-button{display:grid;grid-template-columns:77px minmax(0,1fr) auto;gap:23px;align-items:center;text-align:left;padding:21px 25px;border:1px solid var(--line);background:transparent;min-width:0;position:relative;transition:background-color .25s,border-color .25s}.shelf-book-button:hover{background:var(--panel)}.shelf-book-button.selected{border-color:var(--accent)}.shelf-book-cover{display:flex;flex-direction:column;justify-content:space-between;min-height:104px;width:77px;padding:10px 8px;background:#334c3d;color:#f1eee2;border-left:4px solid rgba(0,0,0,.12);position:relative;flex-shrink:0;transition:transform .3s var(--ease)}.shelf-book-cover::after{content:"";position:absolute;inset:6px;border:1px solid rgba(241,238,226,.25);pointer-events:none}.shelf-book-cover strong{font:16px/1.5 var(--serif);font-weight:400;white-space:pre-line;position:relative;z-index:1}.cover-small{font:4px/1.5 var(--mono);letter-spacing:.08em}.cover-author{font-size:6px;line-height:1.8}.cover-wealth{background:#995341}.cover-thinking{background:#587073}.cover-richdad{background:#6b5276}.cover-wealthnations{background:#586545}.cover-charlie{background:#985b48}.cover-tolive{background:#8b4740}.cover-shiloh{background:#657950}.cover-littleprince{background:#486c82}.shelf-book-button:hover .shelf-book-cover{transform:translateY(-3px) rotate(-2deg)}.shelf-book-info{display:grid;gap:10px;min-width:0}.shelf-book-kind{font-size:10px;color:var(--muted)}.shelf-book-title{font:22px/1.5 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var(--ease)}.book-switch-curtain.covering{opacity:1}.library-dialog{margin:0;width:min(430px,92vw);height:100dvh;max-height:100dvh;max-width:none;border-left:0;border-top:0;border-bottom:0;padding:33px 25px}.library-dialog[open]{animation:drawer-in .32s var(--ease)}.menu-book-list{display:grid;gap:13px}.menu-book-list .shelf-book-button{grid-template-columns:53px minmax(0,1fr);padding:18px 14px;gap:15px}.menu-book-list .shelf-book-cover{width:53px;min-height:82px;padding:8px 6px}.menu-book-list .cover-small{font-size:3px}.menu-book-list .cover-author{font-size:5px}.menu-book-list .shelf-book-cover strong{font-size:13px;line-height:1.4}.menu-book-list .shelf-book-title{font-size:19px}.menu-book-list .shelf-book-subtitle{font-size:10px}.menu-book-list .shelf-book-info{gap:7px}.menu-book-list .book-status{grid-column:2;margin-top:-4px;font-size:9px}.library-dialog .past-book-list{grid-template-columns:1fr;gap:0;padding-bottom:4px}.library-dialog .past-book-button{padding-inline:2px}.library-dialog .past-books>summary{font-size:12px}.add-book-entry{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);padding:18px 3px;margin-top:17px;width:100%;border-top:1px solid var(--line);min-height:52px}.add-book-entry>span{font-size:21px;line-height:1;color:var(--accent)}.add-book-entry:hover{color:var(--accent)}.add-book-copy{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:25px}.add-field{display:grid;gap:10px;margin-top:19px;font-size:11px;color:var(--muted)}.add-field input,.add-field select{font-size:14px;color:var(--ink);border:1px solid var(--line);background:var(--paper);padding:12px 14px;width:100%;min-width:0;border-radius:0;min-height:45px}.add-book-actions{display:flex;gap:23px;align-items:center;flex-wrap:wrap;margin-top:30px}.add-book-actions .primary-link{font-size:12px;gap:18px}.add-book-actions .secondary-link{font-size:11px;gap:12px}#add-book-prompt{width:100%;min-height:175px;padding:15px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font:12px/1.8 var(--sans);margin-top:20px;resize:vertical}.secondary-cover{padding-top:34px}.secondary-cover-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr);align-items:center;gap:80px;padding:58px 0 58px}.secondary-cover h1{font-size:clamp(47px,5.5vw,77px);line-height:1.45;font-weight:500;word-break:normal;overflow-wrap:break-word;text-wrap:pretty}.secondary-cover .hero-kicker{margin-bottom:23px;line-height:1.9}.secondary-cover .hero-description{max-width:540px;line-height:2}.typographic-cover{background:#344b3d;color:#f1eee2;padding:32px 33px;aspect-ratio:3/4;max-width:310px;width:100%;position:relative;border-left:10px solid rgba(0,0,0,.16);justify-self:end;display:flex;flex-direction:column;justify-content:space-between}.typographic-cover::before{content:"";position:absolute;inset:16px;border:1px solid rgba(241,238,226,.35);pointer-events:none}.typographic-cover>span{font:8px/1.8 var(--mono);letter-spacing:.1em}.typographic-cover>div{font:clamp(66px,6vw,88px)/1.5 var(--serif);font-weight:400;letter-spacing:.05em;overflow-wrap:anywhere}.typographic-cover>small{font-size:11px;line-height:2}.book-main[data-book-id=wealth] .typographic-cover{background:#985542}.book-main[data-book-id=thinking] .typographic-cover{background:#587073}.book-main[data-book-id=richdad] .typographic-cover{background:#6b5276}.book-main[data-book-id=wealthnations] .typographic-cover{background:#586545}.book-main[data-book-id=charlie] .typographic-cover{background:#985b48}.book-main[data-book-id=tolive] .typographic-cover{background:#8b4740}.book-main[data-book-id=shiloh] .typographic-cover{background:#657950}.book-main[data-book-id=littleprince] .typographic-cover{background:#486c82}.prose .course-lesson{margin-top:39px;padding-top:25px;border-top:1px solid var(--line);scroll-margin-top:108px}.prose .course-lesson .lesson-kicker{font:10px/1.8 var(--mono);letter-spacing:.1em;color:var(--accent);margin-bottom:13px}.prose .course-lesson .subheading{font-size:24px;margin-top:0;margin-bottom:19px}.prose .lesson-idea{font:20px/1.95 var(--serif);color:var(--ink);margin-bottom:25px}.prose .lesson-example{font-size:calc(var(--reading-size) - 1px);color:var(--body);padding-left:18px;border-left:1px solid var(--line);margin-block:23px}.reading-boundary{margin:19px 0 10px;color:var(--muted);font-size:calc(var(--reading-size) - 2px)}.reading-boundary summary{font-size:11px;list-style:none;cursor:pointer;display:flex;align-items:center;gap:9px;min-height:37px;color:var(--accent)}.reading-boundary summary::-webkit-details-marker{display:none}.reading-boundary summary span{font:15px var(--sans);transition:transform .3s}.reading-boundary[open] summary span{transform:rotate(45deg)}.reading-boundary p{padding-top:8px;color:var(--muted);line-height:1.95}.prose .chapter-sources{font-size:10px;color:var(--muted);line-height:1.9;margin-top:27px}.chapter-sources a,.book-references a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;overflow-wrap:anywhere}.book-references{font-size:12px;line-height:1.9}.book-references .subheading{font-size:20px}.book-references li{margin-bottom:12px}@keyframes drawer-in{from{opacity:0;transform:translateX(-28px)}to{opacity:1;transform:translateX(0)}}@keyframes shelf-fold-in{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1199px){.current-books{gap:17px}.shelf-book-button{padding:19px;grid-template-columns:66px minmax(0,1fr) auto;gap:18px}.shelf-book-cover{width:66px;min-height:96px}.shelf-book-cover strong{font-size:14px}.shelf-book-title{font-size:20px}.shelf-book-subtitle{font-size:10px}.shelf-menu-button{margin-right:-8px}.secondary-cover-grid{gap:45px}.typographic-cover{max-width:270px}.typographic-cover>div{font-size:72px}.secondary-cover h1{font-size:60px}}
@media(max-width:979px){.book-switch-curtain{top:77px}.header-inner{gap:14px}.shelf-menu-button{margin-right:0;width:34px}.current-books .shelf-book-button{grid-template-columns:57px minmax(0,1fr);gap:16px;padding:17px}.current-books .shelf-book-cover{width:57px;min-height:88px;padding:8px 6px}.current-books .shelf-book-cover strong{font-size:13px}.current-books .shelf-book-title{font-size:19px}.current-books .book-status{grid-column:2;margin-top:-5px;font-size:9px}.current-books .shelf-book-info{gap:7px}.secondary-cover-grid{gap:33px;padding-block:42px}.secondary-cover h1{font-size:54px}.typographic-cover{max-width:245px;padding:29px 24px}.typographic-cover>div{font-size:62px}.library-dialog{padding:29px 22px}.book-shelf{padding-top:29px}.book-shelf .shelf-heading h2{font-size:26px}.top-nav{gap:20px;margin-right:8px}}
@media(max-width:699px){.header-inner{gap:9px}.shelf-menu-button{width:31px;min-height:40px;margin-right:1px}.brand{gap:6px}.brand-mark{width:28px;height:28px}.brand>span{font-size:18px}.brand small{font-size:6px;letter-spacing:.08em}.header-actions{margin-left:auto;gap:3px}.header-actions .icon-button{width:34px;height:40px}.book-switch-curtain{top:72px}.book-shelf{padding-top:22px;padding-bottom:0}.shelf-heading{margin-bottom:17px}.book-shelf .shelf-heading h2{font-size:25px}.current-books{gap:13px}.current-books .shelf-book-button{display:grid;grid-template-columns:49px minmax(0,1fr);padding:14px 11px;gap:10px;align-items:start}.current-books .shelf-book-cover{width:49px;min-height:82px;padding:8px 5px}.current-books .cover-small{font-size:3px}.current-books .cover-author{font-size:5px}.current-books .shelf-book-cover strong{font-size:12px;line-height:1.45}.current-books .shelf-book-info{gap:6px}.current-books .shelf-book-kind{font-size:8px;line-height:1.8}.current-books .shelf-book-title{font-size:16px;line-height:1.6}.current-books .shelf-book-subtitle{display:none}.current-books .book-status{font-size:8px;grid-column:1/-1;justify-self:end;margin-top:0}.past-books{margin-top:14px}.past-books>summary{font-size:11px;padding-block:14px}.past-book-list{gap:5px 12px;padding-bottom:14px}.past-book-button{gap:9px;padding:9px 2px;min-height:48px}.past-book-button .shelf-book-title{font-size:12px;line-height:1.8}.past-book-button .book-status{font-size:8px}.past-book-button .shelf-book-cover{width:17px;min-height:25px}.library-dialog{margin:0;width:min(390px,92vw);height:100dvh;max-height:100dvh;padding:25px 22px calc(24px + env(safe-area-inset-bottom));border-radius:0}.library-dialog .dialog-heading h2{font-size:25px}.library-dialog .shelf-book-title{font-size:19px}.library-dialog .past-book-button .shelf-book-title{font-size:13px}.library-dialog .past-book-button{min-height:47px}.library-dialog .past-book-list{padding-bottom:8px}.secondary-cover{padding-top:24px}.secondary-cover-grid{display:block;padding:36px 0}.secondary-cover h1{font-size:clamp(43px,10.7vw,59px);line-height:1.5}.secondary-cover .hero-kicker{font-size:10px;margin-bottom:20px}.secondary-cover .hero-description{font-size:13px;margin-top:23px}.typographic-cover{display:none}.prose .course-lesson{margin-top:29px;padding-top:22px;scroll-margin-top:88px}.prose .course-lesson .lesson-kicker{font-size:9px;margin-bottom:11px}.prose .course-lesson .subheading{font-size:22px;line-height:1.85}.prose .lesson-idea{font-size:19px;line-height:2}.prose .lesson-example{padding-left:14px;margin-block:21px}.reading-boundary{font-size:calc(var(--reading-size) - 2px)}.reading-boundary summary{font-size:10px}.add-book-copy{font-size:12px}.add-field input,.add-field select{font-size:14px}.add-book-actions{gap:17px}.add-book-actions .primary-link{font-size:11px;gap:13px;padding-inline:16px}.add-book-actions .secondary-link{font-size:10px}.prose .chapter-sources{font-size:9px;line-height:2.1}.book-references{font-size:11px}}
@media(max-width:359px){.brand-mark{display:none}.brand>span{font-size:18px}.shelf-menu-button{margin-right:3px}.current-books{gap:10px}.current-books .shelf-book-button{grid-template-columns:1fr;gap:9px;padding:13px 12px}.current-books .shelf-book-cover{display:none}.current-books .shelf-book-title{font-size:17px}.current-books .book-status{justify-self:start;margin-top:1px}.past-book-list{grid-template-columns:1fr;gap:0}.secondary-cover h1{font-size:40px}.header-actions .action-divider{display:none}.library-dialog{padding-inline:19px}}
@media(prefers-reduced-motion:reduce){.book-switch-curtain{transition:none}.shelf-book-button:hover .shelf-book-cover{transform:none}.library-dialog[open],.past-books[open]>.past-book-list{animation:none}}
@media print{.book-shelf,.book-switch-curtain,.secondary-cover{display:none!important}.reading-boundary{display:block}.reading-boundary p{display:block}.reading-boundary>summary{display:none}.prose .lesson-idea{font-size:12pt}.prose .course-lesson .subheading{font-size:15pt}.prose .lesson-example{font-size:10pt}.prose .course-lesson{margin-top:16pt;padding-top:12pt}.book-references{font-size:9pt}}

@media(max-width:699px){.add-field input,.add-field select{font-size:16px}}

/* Shared reading controls and compact covers. */
[hidden]{display:none!important}
.shelf-reading-progress{display:grid;grid-template-columns:auto minmax(40px,100px);align-items:center;gap:10px;margin-top:1px}
.shelf-progress-label{font-size:10px;color:var(--muted);white-space:nowrap}
.shelf-progress-track{display:block;height:2px;background:var(--line);overflow:hidden}
.shelf-progress-track>span{display:block;width:100%;height:100%;background:var(--accent);transform-origin:left}
.past-book-button .shelf-reading-progress{display:none}
.contents-tabs{display:flex;gap:24px;margin:-3px 0 21px;border-bottom:1px solid var(--line)}
.contents-tabs button{padding:12px 0;color:var(--muted);font-size:12px;min-height:44px;border-bottom:2px solid transparent;margin-bottom:-1px}
.contents-tabs button[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent)}
.lesson-navigation{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 14px;margin-bottom:18px;background:var(--panel);border:1px solid var(--line)}
.lesson-navigation>p{font-size:11px;line-height:1.8;min-width:0;overflow-wrap:anywhere}
.lesson-navigation>div{display:flex;gap:7px;flex-shrink:0}
.lesson-navigation button{font-size:10px;min-height:38px;padding:7px 10px;border:1px solid var(--line)}
.lesson-navigation button:disabled,.sidebar-lesson-row button:disabled{opacity:.35;cursor:default}
.lesson-filter-field{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--accent);padding:7px 0 12px}
.lesson-filter-field svg{width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:1.5;flex-shrink:0}
.lesson-filter-field input{width:100%;min-width:0;border:0;border-radius:0;background:transparent;color:var(--ink);font:16px/1.8 var(--sans);outline:0}
.lesson-filter-field:focus-within{box-shadow:0 1px var(--accent)}
.lesson-filter-field input::placeholder{font-size:12px;color:var(--muted)}
.lesson-result-meta{font-size:10px;color:var(--muted);margin:15px 0 21px}
.lesson-directory-group{margin-top:22px}
.lesson-directory-group:first-child{margin-top:0}
.lesson-directory-group>h3{font-size:11px;line-height:1.9;font-weight:500;color:var(--muted);padding:0 0 10px;border-bottom:1px solid var(--line)}
.lesson-directory-link{display:grid;grid-template-columns:32px minmax(0,1fr);align-items:start;gap:14px;padding:14px 10px 14px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.85;min-height:48px;transition:background-color .2s,color .2s}
.lesson-directory-number{font:10px/2.4 var(--mono);color:var(--muted)}
.lesson-directory-link.active,.lesson-directory-link:hover{color:var(--accent);background:var(--panel)}
.lesson-directory-link.active .lesson-directory-number{color:var(--accent)}
.sidebar-lesson-tools{margin-top:21px;padding-top:15px;border-top:1px solid var(--line)}
.lesson-index-button{font-size:11px;line-height:1.8;color:var(--accent);min-height:40px;width:100%;text-align:left}
.sidebar-lesson-row{display:flex;gap:6px;align-items:center;margin-top:6px}
.sidebar-lesson-location{font:10px/1.8 var(--mono);color:var(--muted);margin-right:auto}
.sidebar-lesson-row button{font-size:15px;min-width:34px;min-height:34px;border:1px solid var(--line)}
.settings-dialog{width:min(440px,calc(100% - 40px))}
.settings-heading{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:18px}
.settings-heading output{font:11px var(--mono);color:var(--accent)}
.font-presets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
.font-presets button{display:grid;justify-items:center;gap:9px;padding:16px 7px;min-height:73px;border:1px solid var(--line);font-size:12px;transition:border-color .2s,background-color .2s}
.font-presets small{font:10px var(--mono);color:var(--muted)}
.font-presets button[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:var(--panel)}
.font-preview{font:var(--reading-size)/2 var(--serif);margin-top:24px;padding:21px 0 0;border-top:1px solid var(--line);color:var(--body)}
.brief-book .secondary-cover-grid{padding-block:32px;gap:50px;grid-template-columns:minmax(0,1fr) 150px}
.brief-book .secondary-cover h1{font-size:clamp(36px,3.8vw,55px);line-height:1.5}
.brief-book .secondary-cover .hero-kicker{margin-bottom:13px}
.brief-book .secondary-cover .hero-description{margin-top:18px;font-size:14px}
.brief-book .secondary-cover .hero-actions{margin-top:24px}
.brief-book .typographic-cover{max-width:150px;border-left-width:6px;padding:22px 19px}
.brief-book .typographic-cover::before{inset:10px}
.brief-book .typographic-cover>span{font-size:5px}
.brief-book .typographic-cover>div{font-size:40px}
.brief-book .typographic-cover>small{font-size:8px}
.brief-book .hero-facts{display:none}
.brief-book .reader-layout{padding-top:37px}
.brief-book .closing{padding-block:20px}
.brief-book .closing-inner{padding-block:20px}
.brief-book .closing-inner>.eyebrow,.brief-book .closing-inner>h2{display:none}
.brief-book .closing-bottom{margin-top:0}
.brief-book .article-intro>.eyebrow{font-size:11px}
@media(max-width:979px){
  .mobile-toolbar .mobile-progress-label{font:10px/1.7 var(--mono);color:var(--muted);min-width:0;padding-inline:5px;text-align:center}
  .brief-book .reader-layout{padding-top:33px}
}
@media(max-width:699px){
  .past-book-list{grid-template-columns:1fr;gap:0}
  .past-book-button{padding-block:11px;gap:12px}
  .past-book-button .shelf-book-title{font-size:14px}
  .past-book-button .book-status{font-size:10px}
  .past-books>summary{font-size:12px}
  .contents-dialog{max-height:90dvh}
  .contents-dialog .dialog-heading{margin-bottom:21px}
  #contents-book-label{font-size:10px;line-height:1.7}
  .contents-tabs{margin-bottom:15px;gap:22px}
  .contents-tabs button{font-size:12px}
  .lesson-navigation{display:block;padding:11px 13px}
  .lesson-navigation>p{font-size:12px}
  .lesson-navigation>div{margin-top:9px;justify-content:space-between}
  .lesson-navigation button{min-height:40px;font-size:11px;padding-inline:14px}
  .lesson-directory-link{font-size:14px;gap:11px;padding-block:13px}
  .lesson-result-meta{font-size:11px}
  .lesson-directory-group>h3{font-size:12px}
  .settings-dialog{padding:24px;width:calc(100% - 32px)}
  .font-presets{gap:8px}
  .brief-book .secondary-cover{padding-top:21px}
  .brief-book .secondary-cover-grid{display:block;padding-block:24px}
  .brief-book .secondary-cover h1{font-size:clamp(34px,8.9vw,43px)}
  .brief-book .secondary-cover .hero-description{font-size:13px;line-height:1.9}
  .brief-book .secondary-cover .hero-actions{margin-top:21px;gap:18px}
  .brief-book .reader-layout{padding-top:27px}
  .brief-book .closing-bottom{display:flex;align-items:center;gap:20px}
  .brief-book .closing-bottom p{font-size:10px}
  .brief-book .closing-bottom a{font-size:11px;white-space:nowrap}
}
@media(max-width:480px){
  .current-books{grid-template-columns:1fr;gap:12px}
  .current-books .shelf-book-button{grid-template-columns:49px minmax(0,1fr);gap:10px 17px;padding:16px 18px;align-items:center}
  .current-books .shelf-book-cover{grid-row:1/3;display:flex;width:49px;min-height:78px}
  .current-books .shelf-book-info{gap:5px}
  .current-books .shelf-book-kind{font-size:10px}
  .current-books .shelf-book-title{font-size:19px;line-height:1.5}
  .current-books .book-status{grid-column:2;justify-self:start;font-size:10px;margin:0}
  .shelf-reading-progress{gap:8px;grid-template-columns:auto minmax(40px,90px)}
  .book-shelf .shelf-heading h2{font-size:25px}
}
@media(max-width:359px){
  .current-books .shelf-book-button{padding-inline:14px;gap:10px 13px}
  .current-books .shelf-book-title{font-size:18px}
  .mobile-toolbar .mobile-progress-label{font-size:9px;padding-inline:3px}
  .font-presets{gap:5px}
}
@media print{.sidebar-lesson-tools,.settings-dialog{display:none!important}}
@media(max-width:699px){
  .reading-boundary summary{font-size:12px;min-height:44px}
  .prose .chapter-sources{font-size:12px;line-height:1.9}
}
.shelf-reading-progress{min-height:14px}
.shelf-reading-progress.is-empty{visibility:hidden}
body[data-reading-page=thoughts] .top-nav,body[data-reading-page=source] .top-nav,body[data-reading-page=thoughts] .mobile-toolbar,body[data-reading-page=source] .mobile-toolbar{display:none}
.aux-view{padding-top:35px;padding-bottom:90px;min-height:70dvh}
.aux-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:42px}
.aux-back{font-size:12px;line-height:1.8;min-height:44px;color:var(--muted);text-align:left}
.aux-back:hover{color:var(--accent)}
.thoughts-heading{padding-block:14px 34px;border-bottom:1px solid var(--line)}
.thoughts-heading h1,.original-heading h1{font:clamp(34px,4.3vw,57px)/1.5 var(--serif);font-weight:500;letter-spacing:.02em}
.thoughts-heading>.eyebrow{color:var(--accent);margin-bottom:12px}
.thoughts-heading>p:last-child{font-size:12px;line-height:1.9;color:var(--muted);margin-top:19px}
.thoughts-controls{display:flex;gap:30px;align-items:center;justify-content:space-between;padding:23px 0 30px;flex-wrap:wrap}
.thoughts-filters{display:flex;gap:9px;flex-wrap:wrap}
.thoughts-filters button{font-size:11px;min-height:40px;padding:9px 15px;border:1px solid var(--line);color:var(--muted)}
.thoughts-filters button[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:var(--panel)}
.thoughts-search{display:flex;gap:11px;align-items:center;border-bottom:1px solid var(--line);max-width:360px;width:100%;padding:9px 0}
.thoughts-search svg{width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.5;flex-shrink:0}
.thoughts-search input{border:0;background:transparent;min-width:0;width:100%;font:14px/1.8 var(--sans);color:var(--ink);outline:0}
.thoughts-search:focus-within{border-color:var(--accent)}
.thoughts-search input::placeholder{font-size:12px;color:var(--muted)}
.thoughts-list{max-width:880px;margin-inline:auto}
.thought-card{border-top:1px solid var(--line);padding:38px 38px 42px;scroll-margin-top:108px;transition:background-color .25s}
.thought-card.is-selected{background:var(--panel);border-top-color:var(--accent)}
.thought-card:first-child{border-top:0}
.thought-meta{display:flex;gap:17px;align-items:baseline;justify-content:space-between;font-size:11px;line-height:1.9;color:var(--muted)}
.thought-meta>span:first-child{font:10px var(--mono);color:var(--accent);flex-shrink:0}
.thought-quote{display:block;width:100%;text-align:left;font:clamp(22px,2.4vw,30px)/1.85 var(--serif);color:var(--ink);margin:21px 0 13px;min-height:44px;text-wrap:pretty}
.thought-quote:hover{color:var(--accent)}
.thought-speaker{font-size:12px;line-height:1.9;color:var(--muted);text-align:right;margin-bottom:31px}
.thought-topic{font:17px/1.8 var(--sans);font-weight:500;margin-bottom:16px}
.thought-explanation p{font:var(--reading-size)/2 var(--sans);color:var(--body);margin-bottom:18px}
.thought-actions{display:flex;gap:23px;flex-wrap:wrap;margin-top:23px}
.thought-actions button{font-size:11px;min-height:42px;color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.summary-reference{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin:12px 0 20px}
.summary-reference button{font:11px/1.8 var(--sans);color:var(--accent);min-height:36px;text-decoration:underline;text-underline-offset:4px}
.prose .verified-quote{margin-block:25px;padding:20px 22px 17px;background:var(--panel)}
.verified-quote button{display:block;text-align:left;width:100%;color:var(--ink)}
.verified-quote .verified-quote-text{font:21px/1.9 var(--serif);margin:0 0 13px}
.verified-quote .verified-quote-speaker{display:block;font:11px/1.8 var(--sans);color:var(--muted);text-align:right}
.verified-quote .verified-quote-action{display:block;font:10px/1.8 var(--sans);color:var(--accent);margin-top:12px}
.verified-quote button:hover .verified-quote-text,.existing-quote-link:hover{color:var(--accent)}
.existing-quote-link{display:block;color:inherit;text-decoration:none}
.original-heading{padding-bottom:31px;border-bottom:1px solid var(--line)}
.original-heading>.eyebrow{color:var(--accent);margin-bottom:13px}
.original-heading h1{font-size:clamp(30px,3.6vw,46px)}
.original-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:21px}
.original-actions button{font-size:11px;line-height:1.8;min-height:42px;color:var(--muted)}
.original-actions button:hover{color:var(--accent)}
.original-actions a{font-size:11px;line-height:1.8;min-height:42px;display:inline-flex;align-items:center;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.original-actions a[hidden]{display:none}
.original-external-note{font:12px/1.9 var(--sans);color:var(--muted);margin-top:12px;max-width:680px}
.original-context-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:12px;font:12px/1.9 var(--sans)}
.original-context-links a{color:var(--accent);min-height:44px;display:inline-flex;align-items:center;text-decoration:underline;text-underline-offset:4px}
.source-locator>p{color:var(--muted);font-size:15px}
.original-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:67px;padding-top:37px;align-items:start}
.original-sidebar-sticky{position:sticky;top:110px;max-height:calc(100dvh - 145px);overflow-y:auto;scrollbar-width:thin;padding-right:9px}
.original-sidebar-sticky>.eyebrow{margin-bottom:20px}
.original-index-link{display:block;text-align:left;width:100%;font:11px/1.9 var(--sans);color:var(--muted);min-height:42px;padding:11px 8px;border-bottom:1px solid var(--line)}
.original-index-link[aria-current=location]{color:var(--accent);background:var(--panel)}
.original-index-link:hover{color:var(--accent)}
.original-reading-column{max-width:810px;min-width:0}
.original-section-bar{display:flex;align-items:center;gap:24px;margin-bottom:31px;border-bottom:1px solid var(--line);padding-bottom:21px}
.original-section-bar p{flex:1;font:20px/1.8 var(--serif);text-align:left;overflow-wrap:anywhere}
.original-location-count{flex-shrink:0;font:10px/1.8 var(--mono);color:var(--muted)}
.original-section-bar button{width:40px;min-height:40px;border:1px solid var(--line);font-size:17px;flex-shrink:0}
.original-section-bar button:disabled,.original-page-bottom button:disabled{opacity:.3;cursor:default}
.original-prose{font:var(--reading-size)/2.1 var(--sans);color:var(--body);overflow-wrap:break-word;outline:0}
.original-block{scroll-margin-top:115px;padding:13px 16px;margin:0 -16px 8px;border-left:2px solid transparent}
.original-block p{white-space:pre-wrap}
.original-prose h1,.original-prose h2,.original-prose h3,.original-prose h4{color:var(--ink);font-family:var(--serif);font-weight:500;line-height:1.8;scroll-margin-top:115px}
.original-prose h1{font-size:clamp(24px,3vw,34px);margin-block:20px 16px}
.original-prose h2{font-size:clamp(23px,2.5vw,30px);margin-block:18px 12px}
.original-prose h3,.original-prose h4{font-size:22px;margin-block:14px 10px}
.original-prose ul,.original-prose ol{padding-left:1.5em}
.original-prose li{margin-block:.25em}
.original-prose a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.original-prose blockquote{margin:10px 0;padding-left:20px;border-left:2px solid var(--line);color:var(--muted)}
.original-prose img{display:block;max-width:100%;height:auto;margin:18px auto}
.original-prose figcaption{font:12px/1.9 var(--sans);text-align:center;color:var(--muted)}
.original-prose pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.9 var(--mono);padding:16px;background:var(--panel);max-width:100%}
.original-prose code{font-family:var(--mono);font-size:.88em}
.original-source-alias{display:block;height:0;scroll-margin-top:115px}
.original-source-section{scroll-margin-top:115px;contain:layout style}
.original-block.source-highlight{background:var(--panel);border-left-color:var(--accent)}
.original-turn-meta{display:flex;gap:14px;align-items:baseline;margin-bottom:11px;color:var(--muted);font:11px/1.8 var(--sans)}
.original-turn-meta>span:first-child{font:10px/1.8 var(--mono);color:var(--accent)}
.original-turn-meta>strong{font-weight:500;color:var(--ink)}
.original-inline-highlight{color:var(--ink);background:var(--line);padding-block:2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.original-block.is-heading{padding-top:25px;margin-bottom:13px;color:var(--ink);font:26px/1.8 var(--serif)}
.original-block.is-page-marker{font:10px/1.8 var(--mono);color:var(--muted);text-align:center;padding-block:4px;margin-bottom:0}
.original-page-bottom{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line)}
.original-page-bottom button{font-size:12px;line-height:1.8;min-height:44px;color:var(--accent)}
.original-page-bottom span{font:10px var(--mono);color:var(--muted)}
.original-toolbar{display:none}
.original-index-dialog nav{display:grid}
.original-index-dialog .original-index-link{font-size:13px;padding:14px 10px;line-height:1.9}
.aux-view .search-empty{padding:24px 0;color:var(--muted);font-size:14px}
@media(max-width:1199px){.original-layout{grid-template-columns:185px minmax(0,1fr);gap:39px}}
@media(max-width:979px){.original-layout{display:block;max-width:760px;margin-inline:auto}.original-sidebar{display:none}.original-toolbar:not([hidden]){display:flex;position:fixed;bottom:0;left:0;right:0;z-index:65;align-items:center;justify-content:space-between;gap:8px;padding:10px max(18px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));border-top:1px solid var(--line);background:var(--header);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.original-toolbar button{font-size:11px;min-height:40px;min-width:42px;color:var(--muted)}.original-toolbar span{font:10px/1.8 var(--mono);color:var(--muted);text-align:center}.aux-view{padding-bottom:105px}}
@media(max-width:699px){.aux-view{padding-top:22px}.aux-heading{margin-bottom:24px}.aux-heading>.eyebrow{font-size:8px}.aux-back{font-size:12px}.thoughts-heading{padding-top:8px;padding-bottom:25px}.thoughts-heading h1{font-size:36px}.thoughts-controls{display:block;padding-block:19px 23px}.thoughts-filters button{font-size:11px;padding-inline:12px}.thoughts-search{max-width:none;margin-top:14px}.thoughts-search input{font-size:16px}.thought-card{padding:27px 8px 30px;scroll-margin-top:88px}.thought-meta{font-size:10px;gap:12px}.thought-quote{font-size:23px;line-height:1.85;margin-top:19px}.thought-speaker{font-size:12px;margin-bottom:24px}.thought-topic{font-size:16px}.thought-explanation p{line-height:2}.thought-actions button{font-size:12px}.summary-reference{gap:20px;margin-block:9px 15px}.summary-reference button{font-size:12px;min-height:44px}.prose .verified-quote{padding:18px 17px 15px}.verified-quote .verified-quote-text{font-size:20px}.verified-quote .verified-quote-speaker{font-size:12px}.verified-quote .verified-quote-action{font-size:11px}.original-heading h1{font-size:31px}.original-actions{gap:16px;margin-top:16px}.original-actions button{font-size:12px}.original-layout{padding-top:25px}.original-section-bar{gap:15px;margin-bottom:22px;padding-bottom:18px}.original-section-bar p{font-size:19px;line-height:1.9}.original-block{padding:12px 10px;margin-inline:-10px;scroll-margin-top:88px}.original-prose{line-height:2.05}.original-turn-meta{font-size:12px}.original-turn-meta>span:first-child{font-size:10px}.original-block.is-heading{font-size:23px}.original-page-bottom{gap:12px}.original-page-bottom button{font-size:12px}.original-page-bottom span{font-size:9px}.original-toolbar{padding-inline:12px!important;gap:4px!important}.original-toolbar span{font-size:9px}.original-index-dialog{margin:auto 0 0;width:100%;max-height:88dvh;border-inline:0;border-bottom:0;border-radius:16px 16px 0 0;padding-bottom:calc(25px + env(safe-area-inset-bottom))}}
@media(prefers-reduced-motion:reduce){.thought-card{transition:none}}
@media print{.aux-heading,.thoughts-controls,.thought-actions,.original-actions,.original-sidebar,.original-section-bar,.original-page-bottom,.original-toolbar,.summary-reference,.verified-quote-action{display:none!important}.aux-view{padding:0;width:100%}.original-layout{display:block;padding:0}.thought-card{break-inside:avoid;padding-inline:0}.thought-quote{font-size:16pt}.original-prose,.thought-explanation p{font-size:11pt;line-height:1.8}.original-block{padding-inline:0;margin-inline:0}.original-block.source-highlight{background:transparent;border-left:0}}
.verified-quote .verified-quote-text{display:block}
.aux-heading,.original-section-bar{animation:original-heading-in .28s var(--ease)}
@keyframes original-heading-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.aux-heading,.original-section-bar{animation:none}}