:root{--paper:#f6f3eb;--surface:#fffdf7;--ink:#203b31;--text:#303b34;--muted:#697266;--line:#d8ddcf;--accent:#916e39;--reader-size:18px;color-scheme:light}
*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:disabled{opacity:.4;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{color:var(--ink)}[hidden]{display:none!important}::selection{background:#cdddbe;color:#193c2f}h1,h2,h3,p{margin-top:0}h1,h2{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-weight:500;color:var(--ink)}.skip{position:absolute;top:-80px;left:15px;z-index:70;padding:14px;background:var(--ink);color:var(--paper)}.skip:focus{top:10px}
.book-header{max-width:1180px;margin:auto;padding:28px 48px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.book-landing{max-width:1180px;margin:auto;padding:0 48px}.book-hero{display:grid;grid-template-columns:.88fr 1.12fr;gap:90px;padding:72px 0;align-items:center}.cover{padding:0 22px 0 14px}.cover img{display:block;width:100%;height:auto;box-shadow:6px 8px 0 #e6e3d8,15px 18px 32px #1f3e3410;max-height:510px;object-fit:contain;object-position:left}.book-intro h1{font-size:42px;line-height:1.5;letter-spacing:.01em;margin-bottom:20px}.chapter-part{font-size:11px;letter-spacing:2px;color:var(--accent);line-height:1.8;margin:0 0 22px}.author{font-size:14px;color:var(--ink);letter-spacing:3px;margin-bottom:28px}.book-description{font-size:15px;line-height:2;color:var(--muted);margin-bottom:30px}.book-actions{display:flex;align-items:center;gap:28px;font-size:13px}.primary-link{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;padding:15px 22px;background:var(--ink);color:var(--paper);border-radius:3px;min-height:50px;font-size:14px}.free-note{font-size:12px;line-height:1.9;color:var(--muted);margin:20px 0 0}.resume-link{display:block;width:fit-content;border-bottom:1px solid var(--accent);margin-top:20px;padding:8px 0;color:var(--accent);font-size:13px}.book-facts{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;justify-content:space-around;gap:15px}.book-facts span{font-size:12px;color:var(--muted)}.book-facts strong{font-family:"Songti SC",serif;font-size:22px;color:var(--ink);font-weight:500;margin-right:20px}.book-contents{display:grid;grid-template-columns:.8fr 1.3fr;gap:80px;padding:64px 0}.book-contents h2{font-size:32px;margin-bottom:22px}.book-contents>div>p:not(.chapter-part){font-size:13px;line-height:2;color:var(--muted)}.text-button{background:transparent;border:0;padding:12px 0;font-size:13px;display:block;color:var(--ink);min-height:44px}.book-quote{margin:12px 0 48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 10%;text-align:center;font-family:"Songti SC",serif;font-size:25px;line-height:1.9;color:var(--ink)}.book-quote cite{display:block;font:12px -apple-system,sans-serif;color:var(--muted);margin-top:20px}.book-end{padding:10px 0 48px}.book-end h2{font-size:28px}.book-end>p{font-size:13px;line-height:1.9;color:var(--muted)}.book-footer{display:flex;justify-content:space-between;gap:20px;line-height:1.8;padding:24px 0 35px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}
.reader-header{height:68px;display:flex;align-items:center;gap:24px;padding:0 32px;position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}.reader-brand{display:flex;align-items:center;gap:16px;font-family:"Songti SC",serif;font-size:17px;color:var(--ink);min-width:0}.reader-brand span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.module-link{margin-left:auto;font-size:11px;color:var(--muted);white-space:nowrap}.reader-header button{background:transparent;border:0;min-width:44px;min-height:44px;font-size:13px;margin-left:auto}.reader-layout{display:grid;grid-template-columns:245px minmax(0,1fr);max-width:1220px;margin:auto}.desktop-toc{padding:32px 22px 120px;position:sticky;top:68px;height:calc(100dvh - 68px);overflow:auto;border-right:1px solid var(--line);scrollbar-width:thin}.toc-book{font-size:14px;color:var(--ink);display:block;padding:5px 0 20px}.toc .toc-group{font-size:11px;letter-spacing:1px;color:var(--accent);margin:24px 0 8px}.toc .toc-group:first-child{margin-top:0}.toc a{display:block;font-size:12px;line-height:1.7;padding:8px 6px;color:var(--muted);border-radius:3px;min-height:36px}.toc a:hover{background:var(--surface);color:var(--ink)}.toc a[aria-current="page"]{color:var(--ink);background:var(--surface);font-weight:600;border-left:2px solid var(--accent)}.landing-toc a{font-size:15px;padding:12px 0;border-bottom:1px solid var(--line);color:var(--text)}.landing-toc .toc-group{margin-top:30px;margin-bottom:8px;font-size:12px}.landing-toc .toc-group:first-child{margin-top:0}.reading{max-width:804px;width:100%;padding:58px 66px 105px;margin:auto;min-width:0}.chapter-heading{margin-bottom:45px}.chapter-heading h1{font-size:34px;line-height:1.5;letter-spacing:.03em;margin:0 0 22px}.chapter-meta{display:flex;gap:22px;color:var(--muted);font-size:11px}.chapter-content{font-size:var(--reader-size);line-height:2.05;overflow-wrap:anywhere}.chapter-content>p{margin:0 0 1.4em;text-align:justify}.chapter-content h2{font-family:inherit;font-size:1.15em;font-weight:600;line-height:1.8;margin:2.8em 0 1.4em}.chapter-content h3{font-size:1em;line-height:1.8;font-weight:500}.chapter-content blockquote{margin:2.6em 0;padding:12px 0 12px 24px;border-left:2px solid var(--accent);color:var(--ink);font-family:"Songti SC",serif;font-size:1.22em;line-height:1.8}.chapter-content blockquote p{margin:0}.chapter-content figure{margin:2em 0}.image-open{display:block;width:100%;padding:0;border:0;background:transparent;cursor:zoom-in}.image-open img{display:block;width:100%;height:auto;max-height:840px;object-fit:contain}.chapter-content figcaption,.caption{font-size:12px!important;color:var(--muted);line-height:1.9;margin-top:10px}.table-wrap{max-width:100%;overflow-x:auto;margin:2em 0 8px;overscroll-behavior-x:contain}.table-wrap table{min-width:520px;width:100%;border-collapse:collapse;font-size:.83em;line-height:1.9;text-align:left}.table-wrap th{font-weight:600;background:var(--surface);color:var(--ink)}.table-wrap th,.table-wrap td{padding:13px 16px;border:1px solid var(--line);vertical-align:top}.table-hint{font-size:11px!important;color:var(--muted);text-align:right!important;margin-bottom:2.5em!important}.atlas{margin:2.5em 0}.atlas-images{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.atlas-images figure{margin:0}.atlas-images img{aspect-ratio:1/1;object-fit:contain;background:#fff}.atlas-images figcaption{text-align:center}.record-sheet{margin:2em 0;border-top:2px solid var(--accent);padding-top:20px}.record-sheet ol{padding-left:24px}.record-sheet li{padding:12px 0 24px;border-bottom:1px solid var(--line);font-size:.86em}.chapter-pager{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:65px;border-top:1px solid var(--line);padding-top:25px}.chapter-pager a{font-size:14px;line-height:1.7;color:var(--ink)}.chapter-pager a:last-child{text-align:right}.chapter-pager small{display:block;font-size:10px;color:var(--muted);margin-bottom:10px}.reader-footnote{font-size:11px;line-height:2;color:var(--muted);margin-top:40px}.reading-toolbar{position:fixed;left:calc(50% + 122px);transform:translateX(-50%);bottom:16px;display:flex;align-items:center;gap:4px;background:var(--surface);border:1px solid var(--line);box-shadow:0 3px 18px #243b2f08;border-radius:7px;padding:5px 10px;z-index:25;white-space:nowrap}.reading-toolbar button{background:transparent;border:0;padding:10px 13px;min-height:44px;font-size:12px}.reading-toolbar span{font-size:10px;min-width:35px;text-align:center;color:var(--muted)}.reading-progress{height:2px;position:fixed;top:66px;left:0;right:0;z-index:22}.reading-progress span{height:100%;width:0;display:block;background:var(--accent)}
dialog{color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px;width:min(520px,calc(100vw - 32px));max-height:84dvh;overscroll-behavior:contain}dialog::backdrop{background:#142b229c}.panel-dialog .toc a{font-size:15px;min-height:44px}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;top:-24px;background:var(--surface);padding:0 0 15px;z-index:2}.dialog-head h2{font-size:24px;margin:0}.dialog-head button,#image-dialog>button{border:0;background:transparent;font-size:13px;min-height:44px;min-width:44px}.setting{padding:24px 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}.setting button{border:1px solid var(--line);background:var(--paper);border-radius:3px;min-height:44px;min-width:45px;padding:9px 12px;font-size:13px}.size-controls,.theme-options{display:flex;gap:9px;align-items:center}.setting button[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}.local-note{font-size:12px;line-height:1.9;color:var(--muted);margin:14px 0 0}.search-label{display:block;font-size:12px;margin-bottom:10px;color:var(--muted)}#book-search{width:100%;padding:14px;border:1px solid var(--line);background:var(--paper);color:var(--text);font-size:16px;border-radius:3px}#search-status{font-size:12px;color:var(--muted);line-height:1.8;margin:16px 0}.result{display:block;padding:18px 0;border-bottom:1px solid var(--line)}.result strong{font-size:14px;color:var(--ink);line-height:1.7}.result p{font-size:13px;line-height:1.9;color:var(--muted);margin:8px 0 0}.result mark{background:#e6cf9b;color:#1b342b}.mark-item{display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:10px 0}.mark-item a{flex:1;min-width:0;padding:10px 0;font-size:14px;line-height:1.8}.mark-item small{display:block;font-size:11px;color:var(--muted)}.mark-item button{font-size:12px;min-height:44px;border:0;background:transparent}.empty-note{font-size:14px;color:var(--muted);line-height:1.9}#image-dialog{width:auto;max-width:96vw;padding:12px}#image-dialog>button{display:block;margin-left:auto}#image-dialog img{display:block;max-width:90vw;max-height:75dvh;object-fit:contain}#reader-toast{display:none;position:fixed;z-index:80;bottom:100px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);font-size:12px;padding:12px 20px;border-radius:4px;max-width:90vw;text-align:center}
html[data-reader-theme="light"]{--paper:#fff;--surface:#f7f8f4;--text:#28332c;--line:#dce0d5}html[data-reader-theme="dark"]{--paper:#1d2420;--surface:#262f28;--ink:#d6e3ce;--text:#d2d5cb;--muted:#a3ad9d;--line:#3c483e;--accent:#d3b77f;color-scheme:dark}html[data-reader-theme="dark"] .image-open img{background:#f6f3eb}html[data-reader-theme="dark"] .reading-toolbar{box-shadow:none}
@media(max-width:1000px){.book-hero{gap:45px}.book-intro h1{font-size:35px}.reader-layout{grid-template-columns:210px minmax(0,1fr)}.reading{padding:45px 42px 100px}.reading-toolbar{left:calc(50% + 105px)}.module-link{display:none}.book-contents{gap:45px}.book-facts strong{display:block;margin-bottom:8px}}
@media(max-width:700px){.book-header{padding:22px 22px;font-size:11px}.book-landing{padding:0 24px}.book-hero{grid-template-columns:1fr;gap:35px;padding:36px 0}.cover{padding:0;width:54%;max-width:230px;margin:auto}.cover img{max-height:none}.book-intro h1{font-size:30px;line-height:1.55;margin-bottom:16px}.book-intro .chapter-part{margin-bottom:15px;font-size:10px}.author{font-size:12px;margin-bottom:20px}.book-description{font-size:13px;margin-bottom:23px}.book-actions{gap:23px}.book-actions .primary-link{flex:1;max-width:215px}.free-note{font-size:11px;margin-top:16px}.book-facts{padding:22px 0;gap:12px;justify-content:space-between}.book-facts strong{font-size:21px;margin:0 0 8px}.book-facts span{font-size:10px}.book-contents{grid-template-columns:1fr;gap:26px;padding:36px 0}.book-contents h2{font-size:29px}.book-contents>div>.chapter-part{margin-bottom:17px}.landing-toc a{font-size:14px;line-height:1.9}.book-quote{font-size:21px;padding:28px 10px;margin:0 0 35px}.book-end h2{font-size:25px;line-height:1.6}.book-footer{flex-direction:column;gap:10px}.reader-header{height:58px;padding:0 20px;gap:12px}.reader-brand{font-size:14px;gap:10px;flex:1}.reader-header button{font-size:12px;flex-shrink:0}.reading-progress{top:56px}.reader-layout{display:block}.desktop-toc{display:none}.reading{padding:33px 24px 108px;max-width:560px}.chapter-heading{margin-bottom:31px}.chapter-heading .chapter-part{font-size:10px;margin-bottom:17px}.chapter-heading h1{font-size:29px;line-height:1.5;margin-bottom:18px}.chapter-meta{font-size:10px;gap:18px}.chapter-content{line-height:2}.chapter-content>p{margin-bottom:1.5em;text-align:start}.chapter-content h2{margin-top:2.3em}.chapter-content blockquote{padding-left:18px;font-size:1.12em}.chapter-content figure{margin:1.7em 0}.chapter-pager{gap:20px;margin-top:45px}.chapter-pager a{font-size:13px}.reading-toolbar{left:0;right:0;bottom:0;transform:none;border:0;border-top:1px solid var(--line);border-radius:0;justify-content:space-around;gap:0;padding:8px 6px calc(8px + env(safe-area-inset-bottom));box-shadow:none}.reading-toolbar button{font-size:11px;padding:10px 9px}.reading-toolbar span{font-size:10px;min-width:28px}.atlas-images{gap:8px}.table-wrap table{min-width:460px}.table-wrap th,.table-wrap td{padding:12px}.setting{gap:12px}.setting>span{font-size:12px}.setting button{font-size:12px;min-width:40px;padding:8px 10px}dialog{padding:20px;max-height:82dvh}.dialog-head{top:-20px}.dialog-head h2{font-size:23px}.panel-dialog .toc a{font-size:14px}.reader-footnote{font-size:10px}#reader-toast{bottom:90px}}
@media(prefers-reduced-motion:no-preference){a,button{transition:background .15s ease,color .15s ease}}
@media print{.reader-header,.desktop-toc,.reading-toolbar,.reading-progress,dialog,.chapter-pager{display:none!important}.reader-layout{display:block}.reading{padding:0;max-width:100%}.chapter-content{font-size:12pt}.table-wrap{overflow:visible}.table-wrap table{min-width:0}body{background:white;color:black}}

.book-home{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;text-decoration:underline;text-underline-offset:5px;font-size:12px}.reader-header .module-link{white-space:nowrap;min-height:44px;display:inline-flex;align-items:center;padding:8px 3px}.reader-site-links{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:20px;font-size:12px;color:var(--muted,#607064)}.reader-site-links a{padding:6px 0;text-decoration:underline;text-underline-offset:5px}.book-footer{flex-wrap:wrap;gap:16px}.book-footer a{min-height:36px;display:inline-flex;align-items:center}@media(max-width:640px){.reader-header{gap:12px}.reader-header .module-link{font-size:11px}.reader-site-links{font-size:11px;gap:10px 18px}.book-header{gap:20px}.book-home{font-size:11px}}


/* Huayan: preserve the original EPUB semantics within the shared site reader. */
.source-heading{margin-bottom:30px}.source-heading .chapter-part{margin-bottom:12px}.source-heading .reader-site-links{margin-top:15px}.chapter-content>h1{font-size:34px;line-height:1.5;letter-spacing:.02em;margin:0 0 1.1em}.chapter-content .chapter-number{display:block;font-size:.5em;letter-spacing:.13em;margin-bottom:1em;color:var(--accent)}.chapter-content .chapter-name{display:block}.chapter-content p{margin:0 0 1.4em;text-align:justify}.chapter-content .source-intro,.chapter-content .source{font-size:.86em;line-height:1.85;color:var(--muted)}.chapter-content .source-section{margin-top:3em;padding-top:.7em;border-top:1px solid var(--line)}.chapter-content .source-section h2{margin-top:1em;font-size:1em}.chapter-content a{text-decoration:underline;text-underline-offset:4px;color:var(--accent)}.chapter-content .canon{font-family:"Songti SC","STSong",serif}.chapter-content img{max-width:100%;height:auto;display:block;margin:auto}.chapter-content.titlepage{text-align:center;padding:1em 0 2em}.chapter-content.titlepage h1{text-align:center;font-size:2.25em;line-height:1.65}.chapter-content.titlepage h1 span{display:block}.chapter-content.titlepage p{text-align:center}.chapter-content.titlepage .author{margin:3em 0 2em}.chapter-content.contents ol{list-style:none;margin:0;padding:0}.chapter-content.contents li{margin:0 0 1em}.chapter-content.contents li a{display:block}.toc .toc-continuation{padding-left:22px;font-size:.9em}.continuation-title{font-size:26px!important;line-height:1.6!important;margin:18px 0!important}.chapter-content.continuation>h2:first-child{margin-top:0}.download-link{display:inline-flex;min-height:44px;align-items:center;margin-top:16px;font-size:13px;color:var(--accent);text-decoration:underline;text-underline-offset:5px}.reader-footnote a{text-decoration:underline;text-underline-offset:3px}.chapter-content [id]{scroll-margin-top:90px}
@media(max-width:700px){.source-heading{margin-bottom:25px}.chapter-content>h1{font-size:29px}.chapter-content p{text-align:start}.chapter-content.titlepage p{text-align:center}.continuation-title{font-size:23px!important}.book-facts strong{font-size:19px}.chapter-content [id]{scroll-margin-top:76px}.toc .toc-continuation{font-size:12px}.landing-toc .toc-continuation{font-size:13px}}