:root{--red:#c71928;--red-dark:#a5111e;--ink:#24272a;--muted:#73767a;--line:#e6e7e8;--paper:#fff;--sidebar-width:300px;--stage:#eef0f0;--font:Inter,"Segoe UI",Arial,sans-serif}
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#0002}.skip-link:focus{transform:translateY(0)}[hidden]{display:none!important}.app{height:100vh;height:100dvh;min-height:480px;display:flex;flex-direction:column;overflow:hidden}.site-header{height:84px;min-height:84px;padding:0 32px;display:flex;align-items:center;gap:26px;border-bottom:1px solid var(--line);background:white;z-index:5}.brand{display:flex;align-items:center;gap:11px;flex:none}.brand-mark{width:31px;height:31px;position:relative;display:block;overflow:hidden}.brand-mark i{position:absolute;width:8px;height:31px;background:var(--red);top:0}.brand-mark i:first-child{left:0}.brand-mark i:nth-child(2){left:11px;transform:skew(35deg)}.brand-mark 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.15s}.download-button:hover{background:var(--red-dark);transform:translateY(-1px)}.download-button .icon{width:17px;height:17px}.workspace{display:flex;flex:1;min-height:0;position:relative}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);display:flex;flex-direction:column;border-right:1px solid var(--line);padding:28px 22px 0;background:#fff;z-index:10}.sidebar-heading{display:flex;align-items:flex-start;justify-content:space-between}.eyebrow{font-size:9px;font-weight:750;letter-spacing:1.7px;line-height:1.5;margin:0 0 8px;color:#8a8d90}.sidebar h1{font-size:23px;line-height:1.2;font-weight:650;letter-spacing:-.85px;margin:0}.sidebar h1 span{color:var(--red)}.sidebar-intro{font-size:12px;line-height:1.7;color:var(--muted);margin:11px 0 22px;max-width:220px}.search-form{height:44px;border:1px solid #e3e5e7;border-radius:7px;background:#f8f9f9;display:flex;align-items:center;gap:9px;padding:0 11px;flex:none}.search-form:focus-within{border-color:var(--red);box-shadow:0 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.icon-button{width:31px;height:31px}.page-navigation .icon{width:16px;height:16px}.flip{transform:rotate(180deg)}#page-number{width:34px;height:28px;text-align:center;border:0;background:#f5f6f6;border-radius:4px;font-size:11px;font-weight:650;color:#41474b;font-variant-numeric:tabular-nums;-moz-appearance:textfield}#page-number::-webkit-inner-spin-button,#page-number::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.page-total{font-size:11px;color:#91989c;white-space:nowrap;margin-right:6px}.share-button{justify-self:end;display:flex;align-items:center;gap:6px;font-size:10px;color:#7c8588;padding:10px 0}.share-button:hover{color:var(--red)}.share-button .icon{width:15px;height:15px}.reading-progress{height:3px;background:#e7eaea;flex:none}.reading-progress span{display:block;height:100%;background:var(--red);width:1.4%;transition:width .25s}.thumbnail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 13px;padding:4px 5px 10px}.thumbnail{padding:6px 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#e9ebec;border-radius:6px;background:#fff}.search-result:hover{border-color:#e5b2b8;background:#fdf8f8}.search-result small{font-size:9px;color:var(--red);display:block;margin-bottom:7px}.search-result strong{font-size:11px;font-weight:650;line-height:1.5;display:block}.search-result p{font-size:10px;color:#92999c;line-height:1.6;margin:7px 0 0;overflow-wrap:anywhere}.muted{color:var(--muted);font-size:12px;line-height:1.7;padding:4px 10px}.toast{position:absolute;bottom:90px;left:calc(var(--sidebar-width) + (100% - var(--sidebar-width))/2);transform:translateX(-50%);margin:0;z-index:30;max-width:90%;padding:12px 18px;border-radius:7px;background:#262c2f;color:#fff;font-size:12px;box-shadow:0 6px 24px #0002}.sidebar-closed .toast{left:50%}.noscript{position:fixed;inset:84px 0 0;background:white;z-index:40;padding:50px;text-align:center}.noscript a{color:var(--red);text-decoration:underline}.sidebar-backdrop{display:none}.app:fullscreen{width:100%;height:100%;background:white}.app:fullscreen .site-header{height:64px;min-height:64px}.app:fullscreen .reader-toolbar{min-height:68px}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:1000px) and (max-width:1230px){:root{--sidebar-width:270px}.site-header{padding:0 24px;gap:20px}.sidebar{padding-left:18px;padding-right:18px}.sidebar h1{font-size:21px}.reader-toolbar,.reader-footer{padding-left:20px;padding-right:20px}.navigation-hint{font-size:0}.navigation-hint span{font-size:11px}.tool-divider{margin:0 5px}}
@media(max-width:999px){:root{--sidebar-width:300px}.site-header{height:68px;min-height:68px;padding:0 20px;gap:18px}.brand-name{font-size:22px}.brand-name>span{font-size:5.5px}.brand-mark{width:28px;height:28px}.brand-mark i{height:28px;width:7px}.brand-mark i:nth-child(2){left:10px}.header-label{font-size:12px}.header-actions{gap:15px}.site-link{display:none}.download-button{padding:10px 14px;font-size:12px}.sidebar{position:absolute;inset:0 auto 0 0;border-right:0;box-shadow:10px 0 40px #0002;max-width:calc(100% - 42px)}.sidebar-close{display:flex!important;width:26px;height:26px;margin-right:-6px}.sidebar-backdrop:not([hidden]){display:block;position:absolute;inset:0;background:#20262b70;z-index:9}.reader-toolbar{min-height:76px;padding:0 22px}.reader-footer{padding:0 22px}.navigation-hint{font-size:0}.navigation-hint span{font-size:11px}.layout-button{display:none}.toast{left:50%}.noscript{top:68px}}
@media(max-width:599px){.app{min-height:360px}.site-header{height:64px;min-height:64px;padding:0 15px;gap:0}.brand{gap:8px}.brand-name{font-size:21px;letter-spacing:1px}.brand-name>span{font-size:5.2px;letter-spacing:.75px;margin-top:6px}.brand-mark{width:25px;height:25px}.brand-mark i{height:25px;width:6px}.brand-mark i:nth-child(2){left:9px}.header-divider,.header-label{display:none}.download-button{padding:10px 12px;font-size:11px;border-radius:5px;gap:7px}.download-button .icon{width:15px;height:15px}.reader-toolbar{padding:0 13px;min-height:69px;gap:8px}.reader-heading{gap:10px}.reader-heading .eyebrow{font-size:7px;letter-spacing:1px;margin-bottom:4px}.reader h2{font-size:12px;max-width:140px}.viewer-tools{gap:0}.viewer-tools .icon-button{height:30px;width:28px}.viewer-tools .icon{width:16px;height:16px}.zoom-label{font-size:10px;min-width:35px;height:30px}.tool-divider,#fit-page{display:none}.menu-toggle{width:30px;height:30px}.paper-wrap{padding:22px 27px 37px}.stage-arrow{height:28px;width:28px;top:50%;background:#ffffffee}.stage-arrow .icon{width:13px;height:13px}.stage-arrow.previous{left:5px}.stage-arrow.next{right:5px}.stage-caption{font-size:7px;letter-spacing:1.3px;bottom:12px}.reader-footer{height:61px;min-height:61px;padding:0 15px;grid-template-columns:1fr auto 1fr;gap:7px}.navigation-hint{display:none}.page-navigation{grid-column:2;padding:2px;gap:3px}.page-navigation .icon-button{width:28px;height:28px}.share-button{grid-column:3;justify-self:end;padding:8px}.share-button .icon{width:18px;height:18px}.share-button span{display:none}#page-number{width:32px;height:25px}.page-total{font-size:10px;margin-right:4px}.sidebar{padding-top:24px}.sidebar h1{font-size:22px}.sidebar-intro{margin-bottom:18px}.sidebar-tabs{margin-top:20px}.sidebar-footer{padding:15px 0}.toast{bottom:76px;font-size:11px;white-space:normal;min-width:200px;text-align:center}.noscript{top:64px;padding:30px;font-size:14px}}
@media(max-height:650px) and (min-width:1000px){.site-header{height:64px;min-height:64px}.reader-toolbar{min-height:65px}.reader-footer{height:55px;min-height:55px}.sidebar{padding-top:20px}.sidebar-intro{margin-bottom:15px}.sidebar-tabs{margin-top:18px}.sidebar-footer{padding:14px 0}.paper-wrap{padding-top:20px;padding-bottom:32px}.stage-caption{bottom:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.brand-logo{width:34px;height:34px;object-fit:contain;flex:none}.share-fallback{width:340px;max-width:100%;border:1px solid #899297;border-radius:4px;padding:8px;font-size:12px;background:#fff;color:#24272a}@media(max-width:599px){.brand-logo{width:28px;height:28px}}

@media(max-width:999px){.sidebar{min-width:0}}@media(max-width:599px){.stage-arrow{width:34px;height:34px}.page-navigation .icon-button{width:34px;height:34px}}

.app.focus-mode .site-header,.app.focus-mode .sidebar,.app.focus-mode .sidebar-backdrop{display:none!important}.app.focus-mode .toast{left:50%}

.book{touch-action:none}.stage.is-zoomed .book{cursor:grab}.stage.is-dragging,.stage.is-dragging .book{cursor:grabbing;user-select:none}.zoom-instruction{position:absolute;top:12px;left:50%;transform:translateX(-50%);pointer-events:none;font-size:9px;color:#7b8587;background:#ffffffdb;border:1px solid #e3e7e5;border-radius:20px;padding:6px 11px;white-space:nowrap;box-shadow:0 1px 3px #00000003;z-index:3}@media(max-width:599px){.zoom-instruction{font-size:8px;top:7px;padding:5px 9px}}