:root{color-scheme:light dark;--color-paper:light-dark(#f5f0e3,#151d25);--color-paper-raised:light-dark(#fbf8ef,#1e2833);--color-paper-sunk:light-dark(#ece6d6,#0f151b);--color-ink:light-dark(#2b3236,#d8e1de);--color-ink-soft:light-dark(#58605f,#9daaa7);--color-ink-faint:light-dark(#626966,#8a9794);--color-rule:light-dark(#d8d1bb,#2f3b49);--color-frame:light-dark(#80847c,#6a7b8c);--color-cinnabar:light-dark(#b02e26,#e8705f);--color-action:light-dark(#235069,#9cc3b2);--color-on-action:light-dark(#f5f0e3,#151d25);--color-seal:#ad3628;--color-seal-cut:#f5f0e3;--color-slip:#f3ebdc;--color-slip-ink:#1e1b17;--color-thread:#efe5d2;--color-corner:#d9c9a6;--color-pages:#ece3d1;--color-page-edge:#cdbd9f;--dye-malachite:#3e6e58;--dye-indigo:#235069;--dye-slate:#45465e;--dye-gamboge:#e5b83c;--dye-carmine:#9d2933;--dye-moonwhite:#bcd3d6;--texture-grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.45 0 0 0 0 0.38 0 0 0 0.09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");--font-display:var(--font-cormorant);--font-text:var(--font-newsreader);--font-zh-page:"Noto Serif TC", "Noto Serif SC", "Songti TC", "Noto Serif CJK TC", "PMingLiU", "Danshu Rare", serif;--font-zh-text:"Danshu Text TC", "Noto Serif TC", "Noto Serif SC", "Songti TC", "Noto Serif CJK TC", "PMingLiU", "Danshu Rare", serif;--font-zh:var(--font-zh-page);--font-zh-hans-page:"Noto Serif SC", "Songti SC", "Noto Serif CJK SC", "Danshu Rare", serif;--font-zh-hans-text:"Danshu Text SC", "Noto Serif SC", "Songti SC", "Noto Serif CJK SC", "Danshu Rare", serif;--font-zh-hans:var(--font-zh-hans-page);--font-zh-heavy:"Danshu Display TC", var(--font-zh);--font-zh-hans-heavy:"Danshu Display SC", var(--font-zh-hans);--text-root:max(100%, calc(100% + (100vw - 90rem) / 160));--text-2xs:clamp(.75rem, .729rem + .09vw, .8125rem);--text-xs:clamp(.8125rem, .792rem + .09vw, .875rem);--text-sm:clamp(.9375rem, .917rem + .09vw, 1rem);--text-base:clamp(1.0625rem, 1.042rem + .09vw, 1.125rem);--text-reader:clamp(1.125rem, 1.104rem + .09vw, 1.1875rem);--text-mode:clamp(.8125rem, .5rem + 1.2vw, .9375rem);--text-toc:clamp(1rem, .875rem + .5vw, 1.375rem);--text-lg:clamp(1.25rem, 1.167rem + .37vw, 1.5rem);--text-xl:clamp(1.625rem, 1.2rem + 1.6vw, 2.25rem);--text-chapter-title:clamp(var(--text-lg), .25rem + 4vw, var(--text-xl));--text-2xl:clamp(2.125rem, 1.4rem + 3vw, 3.5rem);--text-3xl:clamp(2.75rem, 1.4rem + 5.6vw, 6rem);--text-3xl-cjk:clamp(2.25rem, 1.3rem + 3.6vw, 4.25rem);--zh-size-ratio:.94;--zh-inline-ratio:.86;--note-size-ratio:.82;--term-size-ratio:1.12;--vernacular-size:.92em;--noted-term-underline-offset:.25em;--note-ref-gap:.1em;--note-ref-size:.62em;--note-ref-leading:0;--note-selected-spread:.3em;--note-number-offset:.2em;--original-size:1em;--leading-display:1.04;--leading-display-cjk:1.3;--leading-title:1.22;--leading-ui:1.45;--leading-text:1.68;--leading-zh:1.95;--leading-verse:1.8;--verse-size-zh:1;--leading-verse-zh:2;--tracking-verse-zh:.06em;--gap-verse-couplet:.75em;--verse-inset:min(2rem, 6vw);--gap-verse-line:.35em;--leading-verse-en:1.5;--brand-seal:clamp(2.5rem, 2.25rem + 1.1vw, 3rem);--text-brand-name:clamp(1.375rem, 1.2rem + .75vw, 1.75rem);--text-brand-line:clamp(.6875rem, .65rem + .15vw, .75rem);--leading-brand:1;--tracking-brand-line:clamp(var(--tracking-wordmark), 2vw - .37rem, var(--tracking-caps));--legal-list-indent:1.25em;--underline-offset:.2em;--lineage-mark-offset:.45em;--install-share-size:1.25em;--install-share-gap:.3em;--install-share-offset:-.3em;--install-share-stroke:1.75;--tracking-caps:.16em;--tracking-wordmark:.06em;--tracking-zh-display:.12em;--weight-text:400;--weight-medium:500;--weight-semibold:600;--weight-black:900;--reader-scale-1:.9;--reader-scale-2:1;--reader-scale-3:1.1;--reader-scale-4:1.22;--reader-scale-5:1.36;--reader-scale:1;--space-1:clamp(.25rem, .229rem + .09vw, .3125rem);--space-2:clamp(.5rem, .458rem + .19vw, .625rem);--space-3:clamp(.75rem, .667rem + .37vw, 1rem);--space-4:clamp(1rem, .917rem + .37vw, 1.25rem);--space-5:clamp(1.5rem, 1.333rem + .74vw, 2rem);--space-6:clamp(2rem, 1.667rem + 1.48vw, 3rem);--space-7:clamp(3rem, 2.5rem + 2.22vw, 4.5rem);--space-8:clamp(4rem, 3.167rem + 3.7vw, 6.5rem);--space-9:clamp(5rem, 3.833rem + 5.19vw, 8.5rem);--gutter:clamp(1.25rem, .75rem + 2.5vw, 3rem);--space-section:clamp(var(--space-7), 1.5rem + 4vw, var(--space-9));--chapter-head-space:clamp(var(--space-3), 16vw - 3rem, var(--space-7));--chapter-head-inset:clamp(var(--space-3), 6vw - .625rem, var(--space-5));--chapter-title-zh-end:clamp(var(--space-3), 6vw - .625rem, var(--space-4));--chapter-head-text-end:clamp(var(--space-3), 8vw - .625rem, var(--space-6));--chapter-head-text-gap:clamp(var(--space-2), 5vw - .75rem, var(--space-4));--chapter-print-gap:clamp(var(--space-3), 16vw - 3rem, var(--space-7));--header-column-gap:clamp(var(--space-2), 7.5vw - 1.5rem, var(--space-5));--header-space-3:clamp(var(--space-2), 7.6vw - 1.07rem, var(--space-3));--header-space-2:clamp(var(--space-1), 7.6vw - 1.32rem, var(--space-2));--hero-space-start:clamp(var(--space-5), 12vw - 1.41rem, var(--space-7));--featured-column-gap:clamp(var(--space-5), 70vw - 37.64rem, var(--space-9));--featured-titles-gap:clamp(var(--space-2), 7.6vw - 3.71rem, var(--space-4));--featured-picks-space:clamp(var(--space-6), 20vw - 8.74rem, var(--space-section));--specimen-space-block:clamp(var(--space-6), 18.3vw - 7.79rem, var(--space-7));--hub-head-column-gap:clamp(var(--space-4), 15.2vw - 2.69rem, var(--space-7));--reader-bar-inset:clamp(0rem, 6vw - 1.46rem, calc(var(--gutter) - var(--space-3)));--reader-start-gap:clamp(var(--space-1), 3.6vw - .63rem, var(--space-3));--page-max:76rem;--measure-en:34em;--measure-zh:30em;--measure-parallel:58em;--hyphenate-limit:6 3 2;--measure-ui:38rem;--measure-wide:60rem;--measure-head:34rem;--margin-col:13.5em;--cover-hub:18rem;--hub-cover-min:8.5rem;--hub-cover-share-zh:27%;--hub-cover-max-zh:17rem;--hub-cover-share-en:40%;--hub-cover-max-en:21.5rem;--shelf-min:24rem;--shelf-column-gap:clamp(var(--space-6), 6vw, var(--space-9));--chapter-print:40rem;--toc-number-width:2.25rem;--toc-side-min:1.25rem;--toc-closed-side-min:3.5rem;--toc-number-advance:1.15;--toc-number-fit-chars:4;--toc-couplet-gap:1ic;--toc-cell-min:12rem;--person-min:15rem;--cover-stamp-width:17%;--cover-stamp-compact-width:19%;--note-sheet-width:40rem;--note-sheet-height:50vh;--dialog-width:28rem;--menu-width:11rem;--cover-shelf:clamp(6.5rem, 4.5rem + 6vw, 10rem);--cover-continue:4.5rem;--book-depth:.4rem;--book-lift:.35rem;--page-step:3px;--line-hair:1px;--line-frame:2px;--line-frame-gap:3px;--radius-control:10px;--radius-dialog:20px;--radius-sheet:20px;--radius-round:50%;--radius-check:3px;--hit-min:2.75rem;--opacity-busy:.72;--button-row-max:24rem;--button-row-max-three:36rem;--control-compact:2rem;--icon-control:1.125rem;--switch-caret:.42em;--switch-caret-round:.6;--icon-stroke:1.5;--icon-chevron:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6l6 6-6 6'/%3E%3C/svg%3E");--icon-tick:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E");--focus-offset:var(--line-frame);--focus-offset-inset:calc(-1 * var(--line-frame) - var(--line-hair));--bar-height:3.25rem;--progress-height:2px;--duration-fast:.14s;--duration-base:.22s;--opacity-hidden:0;--opacity-visible:1;--dialog-enter-offset:var(--space-3);--color-settings-backdrop:transparent;--ease-standard:cubic-bezier(.2, .7, .2, 1);--duration-turn:.3s;--ease-turn:cubic-bezier(.4, 0, .6, 1);--z-page-turn:1;--z-menu:10;--z-bar:20;--z-progress:30;--color-selection:color-mix(in srgb, var(--color-cinnabar) 22%, transparent);--color-note-selected:light-dark(color-mix(in srgb, var(--color-cinnabar) 30%, transparent),color-mix(in srgb, var(--color-cinnabar) 40%, transparent));--color-row-hover:var(--color-paper-sunk);--color-row-press:color-mix(in srgb, var(--color-ink) 8%, var(--color-paper-sunk));--color-scrim:light-dark(color-mix(in srgb, var(--color-ink) 38%, transparent),color-mix(in srgb, var(--color-paper-sunk) 60%, transparent));--color-float:color-mix(in srgb, var(--color-paper-raised) 55%, transparent);--filter-float:blur(.75rem) saturate(1.5);--shadow-float:inset 0 .0625rem .125rem light-dark(#ffffffd9,color-mix(in srgb, var(--color-ink) 22%, transparent)), inset 0 -.0625rem .125rem light-dark(#ffffff73,color-mix(in srgb, var(--color-ink) 8%, transparent)), 0 .125rem .75rem light-dark(color-mix(in srgb, var(--color-ink) 14%, transparent),#00000073);--paid-fade-size:14rem;--gradient-paid-fade:linear-gradient(to bottom, var(--color-paper) calc(100% - 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