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var(--border-strong)}.nr-button--ghost{color:var(--ink-2)}.nr-button--ghost:hover{background:var(--bg-subtle);color:var(--ink-1)}.nr-linkbtn{color:var(--brand);border-radius:var(--r-xs);font-weight:500;text-decoration:none}.nr-linkbtn:hover{text-underline-offset:3px;text-decoration:underline}.nr-uichip{border-radius:var(--r-full);height:28px;font:500 var(--fs-ui-label) / 1 var(--font-ui);color:var(--ink-2);background:var(--bg-surface);box-shadow:inset 0 0 0 var(--hairline) var(--border);white-space:nowrap;transition:background-color var(--d-fast) var(--ease-standard), box-shadow var(--d-fast) var(--ease-standard), color var(--d-fast) var(--ease-standard), transform var(--d-instant) var(--ease-standard);align-items:center;gap:6px;padding:0 12px;display:inline-flex}button.nr-uichip:hover{color:var(--ink-1);box-shadow:inset 0 0 0 var(--hairline) var(--border-strong)}button.nr-uichip:active{transform:scale(.97)}.nr-uichip--brand{background:var(--brand-soft);height:22px;color:var(--brand);box-shadow:none;font-size:var(--fs-ui-caption);text-overflow:ellipsis;min-width:0;padding:0 9px;font-weight:600;overflow:hidden}.nr-topbar{z-index:var(--z-header);height:var(--nr-bar-h);padding:var(--nr-safe-top) 8px 0;background:var(--glass-chrome-bg);-webkit-backdrop-filter:var(--glass-chrome-filter);backdrop-filter:var(--glass-chrome-filter);box-shadow:var(--glass-chrome-shadow);transition:transform var(--d-base) var(--ease-standard), opacity var(--d-base) var(--ease-standard);align-items:center;gap:8px;display:flex;position:fixed;inset:0 0 auto}.nr-shell[data-bars=hidden] .nr-topbar{transform:translateY(calc(-100% - 4px))}.nr-shell{--nr-chrome-top:var(--nr-bar-h)}.nr-shell:is([data-bars=hidden],[data-focus]){--nr-chrome-top:0px}.nr-topbar__left{flex:1 1 0;align-items:center;gap:8px;min-width:0;display:flex}.nr-topbar__right{flex:1 1 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.nr-topbar__sep{display:none}.nr-shell[data-touch] .nr-topbar__right{flex:none}.nr-shell[data-touch] .nr-topbar__center{max-width:none;display:block;left:104px;right:56px;transform:translateY(-50%)}.nr-shell[data-touch] .nr-topbar[data-section] .nr-topbar__crumbs{opacity:0}.nr-shell[data-touch] .nr-topbar[data-section] .nr-topbar__center{display:block}.nr-aa{font-family:var(--f-literata,"Literata"), Georgia, serif;letter-spacing:-.02em;align-items:baseline;font-weight:500;line-height:1;display:inline-flex}.nr-aa span:first-child{font-size:18px}.nr-aa span:last-child{font-size:14px}.nr-pill{left:50%;bottom:calc(var(--pill-offset) + var(--nr-safe-bottom));z-index:var(--z-toolbar);width:min(var(--pill-max-w), calc(100vw - 32px));height:var(--pill-h);border-radius:var(--r-full);background:var(--glass-thin-sheen), var(--glass-thin-bg);-webkit-backdrop-filter:var(--glass-thin-filter);backdrop-filter:var(--glass-thin-filter);box-shadow:var(--e2), var(--glass-thin-shadow);transition:transform var(--d-base) var(--ease-standard);justify-content:space-between;align-items:center;gap:2px;padding:6px;display:flex;position:fixed;transform:translate(-50%)}.nr-shell[data-bars=hidden] .nr-pill{transform:translate(-50%, calc(100% + var(--pill-offset) + var(--nr-safe-bottom) + 8px))}.nr-pill__btn{border-radius:var(--r-full);width:40px;height:40px;color:var(--ink-2);transition:background-color var(--d-fast) var(--ease-standard), transform var(--d-instant) var(--ease-standard);place-items:center;display:grid}.nr-pill__btn:active{background:var(--ink-1);transform:scale(.92)}@supports (color:color-mix(in lab, red, red)){.nr-pill__btn:active{background:color-mix(in oklab, var(--ink-1) 8%, transparent)}}.nr-pill__ask{border-radius:var(--r-full);background:var(--brand);height:40px;color:var(--brand-on);font:600 var(--fs-ui-label) / 1 var(--font-ui);box-shadow:0 1px 2px rgb(var(--sh-rgb) / .2), inset 0 1px 0 #ffffff2e;transition:transform var(--d-instant) var(--ease-standard);align-items:center;gap:6px;padding:0 16px 0 13px;display:inline-flex}.nr-pill__ask:active{transform:scale(.95)}.nr-topbar__ask{border-radius:var(--r-full);background:var(--brand);height:34px;color:var(--brand-on);font:600 var(--fs-ui-label) / 1 var(--font-ui);white-space:nowrap;transition:background-color var(--d-fast) var(--ease-standard), transform var(--d-instant) var(--ease-standard);align-items:center;gap:6px;margin-right:6px;padding:0 14px 0 11px;display:inline-flex}.nr-topbar__ask:hover{background:var(--brand-hover)}.nr-topbar__ask:active{transform:scale(.96)}.nr-rail{left:0;top:var(--nr-bar-h);width:var(--toc-w);z-index:var(--z-rail);background:var(--bg-page);border-right:var(--hairline) solid var(--border-subtle);transition:top var(--d-base) var(--ease-standard);animation:nr-rail-in var(--spring-gentle-duration) var(--spring-gentle) both;position:fixed;bottom:0}.nr-shell[data-bars=hidden] .nr-rail{top:0}@media (max-width:1279.98px){.nr-rail{display:none}.nr-shell[data-rail] .nr-icon-btn[data-toc-toggle].is-on{color:var(--ink-2);background:0 0}}@keyframes nr-rail-in{0%{opacity:0;transform:translate(-16px)}}.nr-toc{height:100%;min-height:0;font-family:var(--font-ui);flex-direction:column;display:flex}.nr-toc__top{justify-content:space-between;align-items:center;gap:8px;padding:14px 10px 6px 20px;display:flex}.nr-toc__book{font:600 var(--fs-ui-caption) / var(--lh-ui-caption) var(--font-ui);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.nr-toc__tabs{border-radius:var(--r-md);background:var(--bg-subtle);gap:2px;margin:4px 12px 8px;padding:3px;display:flex}.nr-toc__tab{border-radius:calc(var(--r-md) - 3px);height:28px;font:500 var(--fs-ui-caption) / 1 var(--font-ui);color:var(--ink-2);transition:background-color var(--d-fast) var(--ease-standard), color var(--d-fast) var(--ease-standard);flex:1;justify-content:center;align-items:center;gap:5px;display:inline-flex}.nr-toc__tab.is-on{background:var(--bg-surface);color:var(--ink-1);box-shadow:var(--e1)}.nr-toc__count{border-radius:var(--r-full);background:var(--ink-1);min-width:16px;padding:0 4px}@supports (color:color-mix(in lab, red, red)){.nr-toc__count{background:color-mix(in oklab, var(--ink-1) 8%, transparent)}}.nr-toc__count{font-variant-numeric:tabular-nums;font-size:10px;line-height:16px}.nr-toc__body{overscroll-behavior:contain;scrollbar-width:thin;flex:1;min-height:0;padding:4px 10px 16px;overflow-y:auto}.nr-toc__chapter{padding:10px 10px 12px}.nr-toc__ctitle{font:600 var(--fs-ui-title-sm) / var(--lh-ui-title-sm) var(--font-display);letter-spacing:-.01em;color:var(--ink-1);text-wrap:balance;margin:4px 0 0}.nr-toc__list{margin:0;padding:0;list-style:none;position:relative}.nr-toc__indicator{width:2px;height:var(--h);background:var(--subj-solid);transform:translateY(var(--y));transition:transform var(--spring-snappy-duration) var(--spring-snappy), height var(--spring-snappy-duration) var(--spring-snappy);border-radius:2px;position:absolute;top:0;left:0}.nr-toc__item{border-radius:var(--r-sm);text-align:left;width:100%;font:400 var(--fs-ui-body-sm) / var(--lh-ui-body-sm) var(--font-ui);color:var(--ink-2);transition:background-color var(--d-fast) var(--ease-standard), color var(--d-fast) var(--ease-standard);align-items:baseline;gap:10px;padding:7px 10px 7px 14px;display:flex}.nr-toc__item:hover{background:var(--bg-subtle);color:var(--ink-1)}.nr-toc__item--l3{font-size:var(--fs-ui-label);color:var(--ink-3);padding-left:28px}.nr-toc__num{min-width:2.2em;font-weight:600;font-size:var(--fs-ui-caption);color:var(--subj-ink);font-variant-numeric:tabular-nums;flex:none}.nr-toc__title{text-wrap:pretty;flex:1;min-width:0}.nr-toc__check{color:var(--ink-3);opacity:.8;flex:none;align-self:center}.nr-toc__item.is-active{color:var(--ink-1);font-weight:600}.nr-toc__foot{padding:12px 20px calc(14px + var(--nr-safe-bottom));border-top:var(--hairline) solid var(--border-subtle);font:500 var(--fs-ui-caption) / var(--lh-ui-caption) var(--font-ui);color:var(--ink-2);font-variant-numeric:tabular-nums;align-items:center;gap:10px;display:flex}.nr-toc__ring{--p:0;background:conic-gradient(var(--subj-solid) calc(var(--p) * 1%), var(--bg-muted) 0);border-radius:50%;width:18px;height:18px;-webkit-mask:radial-gradient(circle,#0000 5.5px,#000 6px);mask:radial-gradient(circle,#0000 5.5px,#000 6px)}.nr-toc__empty{font:400 var(--fs-ui-body-sm) / var(--lh-ui-body-sm) var(--font-ui);color:var(--ink-3);text-wrap:pretty;margin:20px 10px}.nr-hlist{gap:8px;margin:0;padding:6px 2px;list-style:none;display:grid}.nr-hlcard{--rail:var(--hl-yellow-line);border-radius:var(--r-md);background:var(--bg-surface);width:100%;box-shadow:var(--e1);text-align:left;transition:box-shadow var(--d-fast) var(--ease-standard);gap:6px;padding:11px 12px 11px 15px;display:grid;position:relative}.nr-hlcard:before{content:"";background:var(--rail);border-radius:0 3px 3px 0;width:3px;position:absolute;top:10px;bottom:10px;left:0}button.nr-hlcard:hover{box-shadow:var(--e2)}.nr-hlcard[data-color=green]{--rail:var(--hl-green-line)}.nr-hlcard[data-color=blue]{--rail:var(--hl-blue-line)}.nr-hlcard[data-color=pink]{--rail:var(--hl-pink-line)}.nr-hlcard[data-color=purple]{--rail:var(--hl-purple-line)}.nr-hlcard__quote{font:italic 400 14px / 21px var(--font-reading);color:var(--ink-1);-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.nr-hlcard__note{font:400 var(--fs-ui-label) / var(--lh-ui-label) var(--font-ui);color:var(--ink-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.nr-hlcard__meta{font:500 var(--fs-ui-caption-2) / var(--lh-ui-caption-2) var(--font-ui);color:var(--ink-3)}.nr-hlcard--orphan{opacity:.85;grid-template-columns:1fr auto;align-items:start}.nr-hlcard--orphan .nr-icon-btn{grid-area:1/2/span 2}.nr-orphans{margin-top:18px}.nr-orphans__title{font:600 var(--fs-ui-caption) / var(--lh-ui-caption) var(--font-ui);color:var(--warning);align-items:center;gap:6px;margin:0 4px 2px;display:flex}.nr-blist{margin:0;padding:4px 0;list-style:none}.nr-brow{border-radius:var(--r-sm);align-items:center;gap:4px;display:flex}.nr-brow:hover{background:var(--bg-subtle)}.nr-brow__main{text-align:left;flex:1;align-items:flex-start;gap:10px;min-width:0;padding:9px 4px 9px 10px;display:flex}.nr-brow__icon{color:var(--brand);flex:none;margin-top:2px}.nr-brow__text{gap:2px;min-width:0;display:grid}.nr-brow__label{font:400 var(--fs-ui-body-sm) / var(--lh-ui-body-sm) var(--font-ui);color:var(--ink-1);text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.nr-brow__sec{font:500 var(--fs-ui-caption-2) / var(--lh-ui-caption-2) var(--font-ui);color:var(--ink-3)}.nr-gutter{border-radius:var(--r-full);width:28px;height:28px;color:var(--ink-3);animation:nr-fade-in var(--d-fast) var(--ease-standard) both;transition:background-color var(--d-fast) var(--ease-standard), color var(--d-fast) var(--ease-standard);place-items:center;margin-top:2px;display:grid;position:absolute}.nr-gutter:hover,.nr-gutter[data-open]{background:var(--bg-subtle);color:var(--ink-1)}.nr-gutter[data-bookmarked]{display:none}.nr-ribbon{width:24px;height:28px;color:var(--brand);transition:transform var(--spring-press-duration) var(--spring-press);animation:nr-ribbon-in var(--spring-press-duration) var(--spring-press) both;place-items:center;margin-left:-32px;display:grid;position:absolute}.nr-ribbon:hover{transform:scale(1.12)}@keyframes nr-ribbon-in{0%{opacity:0;transform:translateY(-6px)scale(.6)}}@media (max-width:767.98px){.nr-ribbon{width:16px;margin-left:-18px}.nr-ribbon svg{width:12px;height:12px}}.nr-noteglyph{--c:var(--hl-yellow-line);border-radius:var(--r-full);background:var(--c);color:#fff;width:15px;height:15px;box-shadow:0 0 0 2px var(--bg-page), 0 1px 3px rgb(var(--sh-rgb) / .25);transition:transform var(--spring-press-duration) 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var(--font-ui);color:var(--ink-3);font-variant-numeric:tabular-nums;white-space:nowrap;margin-left:8px}.nr-findbar__sep{background:var(--border);width:1px;height:18px;margin:0 6px 0 10px}.nr-sheet--ask{background:var(--bg-surface)}.nr-sheet--ask.nr-sheet--bottom>div[data-detent]{flex-direction:column;flex:1;min-height:0;display:flex}.nr-ask{height:100%;min-height:0;font-family:var(--font-ui);outline:none;flex-direction:column;flex:1;display:flex;position:relative}.nr-ask__head{z-index:2;background:var(--glass-chrome-bg);height:52px;-webkit-backdrop-filter:var(--glass-chrome-filter);backdrop-filter:var(--glass-chrome-filter);box-shadow:0 var(--hairline) 0 var(--border-subtle);justify-content:space-between;align-items:center;gap:8px;padding:0 8px 0 14px;display:flex;position:absolute;inset:0 0 auto}.nr-ask[data-narrow] .nr-ask__head{-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none;background:0 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red, red)){.nr-jr-end__tara{background:radial-gradient(closest-side, color-mix(in oklab, var(--jr-star) 30%, transparent), transparent)}}.nr-jr-end__tara svg{width:100%;height:100%;display:block}.nr-jr-end__title{font-family:var(--font-junior-display);font-size:clamp(2.25rem,1.6rem + 2.8vw,3.5rem);font-weight:700;line-height:1.05}.nr-jr-end__stars{border-radius:var(--r-full);background:var(--jr-star);align-items:center;gap:10px;padding:10px 24px 10px 18px;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.nr-jr-end__stars{background:color-mix(in oklab, var(--jr-star) 16%, var(--jr-card))}}.nr-jr-end__stars{font-family:var(--font-junior-display);font-variant-numeric:tabular-nums;font-weight:700}.nr-jr-end__stars 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var(--border-strong);color:var(--ink-2);margin-top:18px;padding-left:14px;font-size:.9875rem;line-height:1.5}.nr-jr-worksheet{border-top:1px solid var(--border-subtle);flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:22px;padding-top:20px;display:flex}.nr-jr-worksheet__link{min-height:var(--jr-hit);border-radius:var(--r-lg);border:1.5px solid var(--border-strong);background:var(--bg-page);color:var(--ink-1);align-items:center;gap:14px;padding:10px 20px 10px 16px;text-decoration:none;display:inline-flex}.nr-jr-worksheet__link:hover{background:var(--bg-subtle)}.nr-jr-worksheet__link svg.lucide{width:28px;height:28px;color:var(--ink-2)}.nr-jr-worksheet__link span{gap:2px;display:grid}.nr-jr-worksheet__link strong{font-size:1.0625rem;font-weight:650}.nr-jr-worksheet__link 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16px;display:flex}.nr-jr-switch__label{text-align:start;flex:1;font-size:1.0625rem;font-weight:600}.nr-jr-switch__track{border-radius:var(--r-full);background:var(--border-strong);flex:none;width:52px;height:32px;position:relative}.nr-jr-switch__track span{background:#fff;border-radius:50%;width:26px;height:26px;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #00000040}.nr-jr-switch[aria-checked=true] .nr-jr-switch__track{background:var(--subj-solid)}.nr-jr-switch[aria-checked=true] .nr-jr-switch__track span{transform:translate(20px)}.nr-junior[data-motion=full] .nr-jr-switch__track span{transition:transform var(--d-base) var(--ease-standard)}.nr-jr-themes{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.nr-jr-theme{border-radius:var(--r-lg);min-height:84px;color:var(--ink-2);justify-items:center;gap:6px;padding:8px 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