.book_shelf__D_3WD{--book-ink:hsl(33 20% 20%);--book-muted:hsl(32 10% 44%);--book-line:hsl(35 20% 79%);--book-paper:hsl(43 44% 96%);color:var(--book-ink);padding:64px 28px 72px;background:hsl(36 21% 92%)}.book_intro__EFzBv{max-width:1040px;margin:0 auto 76px;display:grid;grid-template-columns:350px 1fr;gap:100px;align-items:center}.book_cover__uJBqA{position:relative;min-height:460px;padding:48px 36px 36px 45px;display:flex;flex-direction:column;color:hsl(43 46% 87%);background:hsl(151 18% 25%);border:1px solid hsl(151 18% 19%);border-left:12px solid hsl(151 17% 20%);border-radius:2px 7px 7px 2px;box-shadow:4px 3px 0 hsl(43 30% 87%),7px 5px 0 hsl(36 18% 68%),18px 24px 45px hsl(30 20% 15%/.17);transform:perspective(1300px) rotateY(-7deg) rotate(-1deg);transition:transform .4s ease,box-shadow .4s ease}.book_cover__uJBqA:hover{transform:perspective(1300px) rotateY(-13deg) rotate(-1deg) translateY(-4px)}.book_cover__uJBqA:focus-visible{outline:3px solid hsl(151 25% 40%);outline-offset:10px}.book_edition__YNEY5{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;opacity:.75}.book_cover__uJBqA h1{margin:52px 0 24px;font-family:Songti SC,STSong,Georgia,serif;font-size:36px;font-weight:400;line-height:1.6;letter-spacing:.16em}.book_cover__uJBqA h1 span{display:block}.book_coverSubtitle__Mxb6D{font-size:12px;line-height:2.2;letter-spacing:.06em;opacity:.8;max-width:205px}.book_coverAuthor__fXdKz{margin-top:auto;padding-top:48px;border-bottom:1px solid hsl(43 46% 87%/.4);padding-bottom:18px;font-family:var(--font-display);font-size:22px;font-style:italic;letter-spacing:.08em}.book_preface__lEiwy{padding:12px 0}.book_eyebrow__d_TDX{color:var(--book-muted);font-size:11px;letter-spacing:.16em;margin-bottom:24px}.book_preface__lEiwy h2{font-family:Songti SC,STSong,serif;font-size:30px;font-weight:400;line-height:1.7;margin-bottom:24px}.book_preface__lEiwy p:not(.book_eyebrow__d_TDX){font-size:15px;line-height:2.1;color:var(--book-muted);margin:0 0 18px}.book_open__L0471{display:inline-flex;align-items:center;justify-content:space-between;gap:42px;padding:14px 0;margin-top:18px;border-bottom:1px solid var(--book-ink);font-size:14px;min-height:48px}.book_catalogue__BWtgM{max-width:960px;margin:0 auto;background:var(--book-paper);border:1px solid var(--book-line);border-radius:2px;padding:42px 64px 48px;box-shadow:0 8px 28px hsl(30 20% 15%/.04)}.book_catalogueHead__X9cSm{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--book-line);padding-bottom:22px}.book_catalogueHead__X9cSm h2{font-family:Songti SC,STSong,serif;font-size:26px;font-weight:400;letter-spacing:.18em}.book_catalogueHead__X9cSm span{font-size:11px;letter-spacing:.12em;color:var(--book-muted)}.book_contents__a_FDz{list-style:none;padding:0;margin:16px 0 0}.book_contents__a_FDz li+li{border-top:1px solid hsl(35 20% 79%/.55)}.book_contents__a_FDz a{display:grid;grid-template-columns:44px 1fr 24px;gap:14px;padding:25px 0;align-items:baseline}.book_contents__a_FDz a:hover .book_chapterTitle__d9Uih{text-decoration:underline;text-underline-offset:6px}.book_number__aNTyg{font-family:var(--font-mono);font-size:11px;color:var(--book-muted)}.book_chapterTitle__d9Uih{font-family:Songti SC,STSong,serif;font-size:21px;line-height:1.7}.book_chapterDescription__z0_mb{font-size:13px;color:var(--book-muted);line-height:1.9;margin-top:8px}.book_chapterStatus__XKR6k{font-size:10px;color:var(--book-muted);letter-spacing:.08em;margin-top:10px}.book_working__lwE8S{max-width:960px;margin:28px auto 0;color:var(--book-muted);font-size:12px;line-height:1.9}.book_working__lwE8S summary{cursor:pointer;min-height:44px;padding:10px 0;width:fit-content}.book_working__lwE8S p{margin:12px 0}.book_working__lwE8S nav{display:flex;flex-wrap:wrap;gap:18px}.book_working__lwE8S a{text-decoration:underline;text-underline-offset:4px;padding:8px 0}.book_shelf__D_3WD :is(a,summary):focus-visible{outline:2px solid hsl(151 25% 35%);outline-offset:5px}.book_chapterShell__5HhFh{padding:36px 28px 56px;background:hsl(36 21% 92%);min-height:calc(100svh - 64px)}.book_chapterHeading___rSWq{max-width:1140px;margin:0 auto 12px;color:hsl(33 20% 20%)}.book_chapterHeading___rSWq p{color:hsl(32 10% 44%);font-size:10px;letter-spacing:.14em;margin-bottom:10px}.book_chapterHeading___rSWq h1{font-family:Songti SC,STSong,serif;font-weight:400;font-size:clamp(24px,3vw,34px);line-height:1.6}@media (max-width:900px){.book_intro__EFzBv{grid-template-columns:290px 1fr;gap:56px}.book_cover__uJBqA{min-height:400px;padding:36px 26px 28px}.book_cover__uJBqA h1{font-size:31px;margin-top:42px}.book_preface__lEiwy h2{font-size:25px}.book_catalogue__BWtgM{padding:32px}}@media (max-width:620px){.book_shelf__D_3WD{padding:42px 24px 48px}.book_intro__EFzBv{grid-template-columns:1fr;gap:44px;margin-bottom:40px}.book_cover__uJBqA{width:min(286px,85%);min-height:380px;justify-self:center;padding-left:30px}.book_cover__uJBqA h1{font-size:30px;margin:36px 0 20px}.book_coverAuthor__fXdKz{font-size:20px;padding-top:30px}.book_preface__lEiwy{padding:0}.book_preface__lEiwy h2{font-size:24px;margin-bottom:16px}.book_eyebrow__d_TDX{margin-bottom:16px}.book_catalogue__BWtgM{padding:26px 22px;margin-inline:-8px}.book_catalogueHead__X9cSm h2{font-size:23px}.book_catalogueHead__X9cSm span{font-size:9px}.book_contents__a_FDz a{grid-template-columns:25px 1fr 18px;gap:8px;padding:22px 0}.book_chapterTitle__d9Uih{font-size:18px}.book_chapterDescription__z0_mb{font-size:12px}.book_chapterShell__5HhFh{padding:22px 16px 40px}.book_chapterHeading___rSWq{padding-inline:4px;margin-bottom:10px}}.dark .book_shelf__D_3WD{--book-ink:hsl(40 27% 86%);--book-muted:hsl(34 13% 65%);--book-line:hsl(32 12% 29%);--book-paper:hsl(32 13% 15%)}.dark .book_chapterShell__5HhFh,.dark .book_shelf__D_3WD{background:hsl(30 10% 9%)}.dark .book_chapterHeading___rSWq{color:hsl(40 27% 86%)}.dark .book_chapterHeading___rSWq p{color:hsl(34 13% 65%)}@media (prefers-reduced-motion:reduce){.book_cover__uJBqA,.book_cover__uJBqA:hover{transition:none;transform:none}}.BookReader_reader__dIzjc{--paper:hsl(43 45% 96%);--ink:hsl(32 21% 19%);--muted:hsl(31 12% 44%);--line:hsl(35 23% 80%);--reading-height:clamp(22rem,calc(100svh - 19rem),42rem);--reading-gap:64px;color:var(--ink);max-width:1140px;margin:0 auto;outline-offset:8px}.BookReader_reader__dIzjc:focus-visible{outline:2px solid hsl(151 20% 35%)}.BookReader_reader__dIzjc :is(a,button,summary,select):focus-visible{outline:2px solid hsl(151 25% 35%);outline-offset:4px}.BookReader_toolbar__jSTI4{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:20px;font-size:13px}.BookReader_back__2kRPG,.BookReader_menu__zjXdV summary,.BookReader_settings__YvPFP button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:6px 12px;border-radius:4px}.BookReader_back__2kRPG:hover,.BookReader_menu__zjXdV summary:hover,.BookReader_settings__YvPFP button:hover:not(:disabled){background:hsl(35 22% 86%/.5)}.BookReader_settings__YvPFP{display:flex;align-items:center;gap:2px;margin-left:auto}.BookReader_settings__YvPFP button{border:1px solid transparent}.BookReader_settings__YvPFP button[aria-pressed=true]{border-color:var(--line)}.BookReader_reader__dIzjc button:disabled{opacity:.4;cursor:default}.BookReader_menu__zjXdV{position:relative;z-index:10}.BookReader_menu__zjXdV summary{cursor:pointer;list-style:none}.BookReader_menu__zjXdV summary::-webkit-details-marker{display:none}.BookReader_menuPanel__7Fh0i{position:absolute;top:100%;left:0;width:min(340px,calc(100vw - 48px));max-height:min(65svh,600px);overflow:auto;overscroll-behavior:contain;padding:16px;border:1px solid var(--line);background:var(--paper);box-shadow:0 16px 40px hsl(30 20% 15%/.14)}.BookReader_menuLabel__Z4PgX{margin:10px 8px 6px;font-size:11px;letter-spacing:.16em;color:var(--muted)}.BookReader_menuPanel__7Fh0i nav{display:grid;gap:2px}.BookReader_menuPanel__7Fh0i nav a{display:block;padding:11px 8px;min-height:44px;line-height:1.6}.BookReader_menuPanel__7Fh0i nav a:hover,.BookReader_menuPanel__7Fh0i nav a[aria-current=page]{background:hsl(35 22% 86%/.5)}.BookReader_menuPanel__7Fh0i nav a span{color:var(--muted);font-family:var(--font-mono);font-size:11px;margin-right:10px}.BookReader_paper__u4pG8{position:relative;padding:24px 32px 20px;background:var(--paper);border:1px solid var(--line);border-radius:3px 8px 8px 3px;box-shadow:0 2px 2px hsl(30 20% 15%/.04),3px 4px 0 hsl(40 24% 89%),5px 6px 0 hsl(35 20% 78%),0 20px 55px hsl(30 20% 15%/.09)}.BookReader_folio__Vx9Rg,.BookReader_runningHead__0opu5{position:relative;z-index:2;display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted);letter-spacing:.12em;line-height:1.5}.BookReader_runningHead__0opu5{margin-bottom:28px;padding-bottom:12px;border-bottom:1px solid var(--line)}.BookReader_folio__Vx9Rg{margin-top:24px;font-family:var(--font-mono)}.BookReader_viewport__1iPXs{position:relative}.BookReader_reader__dIzjc[data-paginated=true] .BookReader_viewport__1iPXs{overflow:hidden;overflow:clip}.BookReader_article__zGtv7{margin:0}.BookReader_text__FH3QT{font-family:"Noto Serif SC",Songti SC,STSong,SimSun,Georgia,serif;font-size:var(--reading-font-size);line-height:1.95;overflow-wrap:anywhere}.BookReader_reader__dIzjc[data-paginated=true] .BookReader_text__FH3QT{height:var(--reading-height);column-count:1;column-fill:auto;column-gap:var(--reading-gap)}.BookReader_text__FH3QT>:first-child{margin-top:0}.BookReader_text__FH3QT>:last-child{margin-bottom:0}.BookReader_text__FH3QT p{margin:0 0 1.2em;text-align:justify}.BookReader_text__FH3QT h2,.BookReader_text__FH3QT h3{font-weight:600;line-height:1.65;break-after:avoid;scroll-margin-top:128px}.BookReader_text__FH3QT h2{font-size:1.3em;margin:1.8em 0 .8em}.BookReader_text__FH3QT h3{font-size:1.12em;margin:1.6em 0 .65em}.BookReader_text__FH3QT a{color:hsl(154 27% 28%);text-decoration:underline;text-decoration-color:hsl(154 20% 54%);text-underline-offset:4px}.BookReader_text__FH3QT a:hover{text-decoration-thickness:2px}.BookReader_text__FH3QT blockquote{margin:1.2em 0;padding-left:1em;border-left:2px solid var(--line);color:var(--muted)}.BookReader_text__FH3QT ol,.BookReader_text__FH3QT ul{margin:1em 0;padding-left:1.5em}.BookReader_text__FH3QT ul{list-style:disc}.BookReader_text__FH3QT ol{list-style:decimal}.BookReader_text__FH3QT li{margin:.4em 0}.BookReader_text__FH3QT pre{white-space:pre-wrap;font-size:.8em;line-height:1.6;border:1px solid var(--line);padding:12px;margin:1.2em 0}.BookReader_text__FH3QT code{font-family:var(--font-mono);font-size:.85em}.BookReader_text__FH3QT table{width:100%;border-collapse:collapse;font-size:.85em}.BookReader_text__FH3QT td,.BookReader_text__FH3QT th{padding:8px;border:1px solid var(--line)}.BookReader_text__FH3QT img{max-width:100%;height:auto;break-inside:avoid}.BookReader_turnOverlay__c4PGt{position:absolute;inset:0;perspective:1600px;pointer-events:none;z-index:3}.BookReader_leaf__W3ra5{position:absolute;top:0;height:100%;overflow:hidden;background:var(--paper);backface-visibility:hidden;box-shadow:-8px 0 30px hsl(30 20% 15%/.12);will-change:transform}.BookReader_leaf__W3ra5 .BookReader_text__FH3QT{position:absolute;inset:0 auto auto 0}.BookReader_pager__9_TLn{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:28px}.BookReader_pager__9_TLn>button{min-height:44px;display:inline-flex;align-items:center;gap:10px;padding:10px 16px;font-size:13px;border:1px solid var(--line);border-radius:3px}.BookReader_pager__9_TLn>button:not(:disabled):hover{background:var(--paper)}.BookReader_pagePosition__04YZI{display:flex;align-items:center;gap:12px}.BookReader_pageAnnouncement___5W5r{font-size:12px;color:var(--muted);font-family:var(--font-mono)}.BookReader_pagePosition__04YZI select{min-height:44px;max-width:140px;padding:8px;background:transparent;border:1px solid var(--line);border-radius:3px;font-size:12px}.BookReader_help__nquQg{margin:14px 0 30px;text-align:center;font-size:11px;line-height:1.7;color:var(--muted)}.BookReader_chapterNavigation__Bz65k{display:flex;justify-content:space-between;gap:24px;padding-top:24px;border-top:1px solid var(--line);font-family:Songti SC,STSong,serif;font-size:16px;line-height:1.7}.BookReader_chapterNavigation__Bz65k a{max-width:45%}.BookReader_chapterNavigation__Bz65k a:last-child{text-align:right}.BookReader_chapterNavigation__Bz65k a span{display:block;color:var(--muted);font-family:var(--font-sans);font-size:10px;letter-spacing:.12em;margin-bottom:6px}.BookReader_edit__fH_GO{display:block;width:fit-content;margin:28px auto 0;color:var(--muted);font-size:11px;text-underline-offset:4px}.BookReader_edit__fH_GO:hover{text-decoration:underline}@media (min-width:960px){.BookReader_reader__dIzjc{--reading-gap:96px}.BookReader_reader__dIzjc[data-paginated=true] .BookReader_text__FH3QT{column-count:2}.BookReader_paper__u4pG8{padding:28px 48px 22px}.BookReader_reader__dIzjc[data-paginated=true] .BookReader_paper__u4pG8:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:hsl(35 20% 79%);box-shadow:-8px 0 18px 5px hsl(30 18% 30%/.04),8px 0 18px 5px hsl(30 18% 30%/.04);pointer-events:none}.BookReader_reader__dIzjc:not([data-paginated=true]) .BookReader_text__FH3QT{max-width:42rem;margin-inline:auto}}@media (max-width:600px){.BookReader_reader__dIzjc{--reading-height:clamp(23rem,calc(100svh - 20rem),36rem)}.BookReader_toolbar__jSTI4{gap:2px;margin-bottom:12px}.BookReader_back__2kRPG,.BookReader_menu__zjXdV summary,.BookReader_settings__YvPFP button{padding-inline:8px;font-size:12px}.BookReader_settings__YvPFP{gap:0}.BookReader_toolbar__jSTI4{align-items:flex-start}.BookReader_settings__YvPFP{flex-wrap:wrap;justify-content:flex-end;max-width:228px}.BookReader_paper__u4pG8{padding:20px 22px 18px}.BookReader_runningHead__0opu5{margin-bottom:22px}.BookReader_folio__Vx9Rg{margin-top:20px;font-size:9px}.BookReader_pagePosition__04YZI{flex-direction:column;gap:2px}.BookReader_pageAnnouncement___5W5r{font-size:10px}.BookReader_pagePosition__04YZI select{padding:4px 8px;min-height:32px}.BookReader_pager__9_TLn>button{padding:10px;font-size:12px;gap:6px}.BookReader_chapterNavigation__Bz65k{font-size:14px;gap:16px}}.dark .BookReader_reader__dIzjc{--paper:hsl(32 13% 15%);--ink:hsl(40 27% 86%);--muted:hsl(34 13% 65%);--line:hsl(32 12% 29%)}.dark .BookReader_paper__u4pG8{box-shadow:3px 4px 0 hsl(32 10% 20%),5px 6px 0 hsl(32 10% 28%),0 20px 55px hsl(0 0% 0%/.25)}.dark .BookReader_text__FH3QT a{color:hsl(151 25% 73%)}.dark .BookReader_reader__dIzjc :is(a,button,summary,select):focus-visible{outline-color:hsl(151 25% 73%)}@media (prefers-reduced-motion:reduce){.BookReader_turnOverlay__c4PGt{display:none}}@media print{.BookReader_chapterNavigation__Bz65k,.BookReader_edit__fH_GO,.BookReader_folio__Vx9Rg,.BookReader_help__nquQg,.BookReader_pager__9_TLn,.BookReader_runningHead__0opu5,.BookReader_toolbar__jSTI4,.BookReader_turnOverlay__c4PGt{display:none!important}.BookReader_paper__u4pG8{padding:0;border:0;box-shadow:none;background:white;color:black}.BookReader_paper__u4pG8:before{display:none}.BookReader_reader__dIzjc[data-paginated=true] .BookReader_viewport__1iPXs{overflow:visible}.BookReader_reader__dIzjc[data-paginated=true] .BookReader_text__FH3QT{height:auto;column-count:1;transform:none!important}}