:root{color-scheme:light;--bg:#f7f3ea;--bg-elev:#fffdf8;--bg-sunk:#efe8da;--ink:#15201a;--ink-2:#4b574f;--ink-3:#6f7a72;--line:#15201a1a;--line-strong:#15201a2e;--green:#12352a;--green-2:#1d4a3b;--gold:#b38b45;--gold-ink:#7d5c20;--oxblood:#6b1e24;--accent:var(--green);--accent-ink:#f7f3ea;--accent-soft:#12352a14;--ok:#2b6a47;--ok-soft:#2b6a471a;--bad:#9a2b2f;--bad-soft:#9a2b2f17;--material:#faf7f0b8;--material-strong:#faf7f0db;--material-edge:#ffffff8c;--scrim:#0a140f47;--shadow-sm:0 1px 2px #15201a0f, 0 2px 8px #15201a0d;--shadow-md:0 2px 6px #15201a0f, 0 12px 32px #15201a17;--shadow-lg:0 8px 24px #15201a1a, 0 32px 80px #15201a29;--foil:linear-gradient(135deg, #f3e3b3 0%, #c9a55c 28%, #f0dca4 52%, #a9823f 74%, #d9bc7a 100%);--font-ui:system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--font-display:"Cormorant Garamond", "Iowan Old Style", "Palatino Linotype", Palatino, "Noto Serif", Georgia, serif;--font-caps:"Cinzel", "Cormorant Garamond", "Iowan Old Style", serif;--r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;--measure:42rem;--wide:72rem;--gutter:1rem;--bar-h:3.5rem;--tab-h:0rem;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-in:cubic-bezier(.64, 0, .78, 0)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#0b1511;--bg-elev:#13201a;--bg-sunk:#070e0b;--ink:#efe9dc;--ink-2:#b8bfb5;--ink-3:#8b958c;--line:#efe9dc1a;--line-strong:#efe9dc2e;--accent:#d9bd7e;--accent-ink:#0f1d17;--accent-soft:#d9bd7e1f;--gold-ink:#d9bd7e;--ok:#7cc39a;--ok-soft:#7cc39a1f;--bad:#ef8f8a;--bad-soft:#ef8f8a1f;--material:#101c16ad;--material-strong:#101c16db;--material-edge:#ffffff14;--scrim:#00000073;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 2px 6px #0000004d, 0 12px 32px #00000059;--shadow-lg:0 8px 24px #00000059, 0 32px 80px #00000080}}:root[data-theme=dark]{color-scheme:dark;--bg:#0b1511;--bg-elev:#13201a;--bg-sunk:#070e0b;--ink:#efe9dc;--ink-2:#b8bfb5;--ink-3:#8b958c;--line:#efe9dc1a;--line-strong:#efe9dc2e;--accent:#d9bd7e;--accent-ink:#0f1d17;--accent-soft:#d9bd7e1f;--gold-ink:#d9bd7e;--ok:#7cc39a;--ok-soft:#7cc39a1f;--bad:#ef8f8a;--bad-soft:#ef8f8a1f;--material:#101c16ad;--material-strong:#101c16db;--material-edge:#ffffff14;--scrim:#00000073;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 2px 6px #0000004d, 0 12px 32px #00000059;--shadow-lg:0 8px 24px #00000059, 0 32px 80px #00000080}:lang(zh),:lang(ja){--font-display:"Songti SC", "Hiragino Mincho ProN", "Noto Serif CJK SC", "Noto Serif JP", serif;--font-caps:var(--font-ui)}:lang(hi),:lang(ar){--font-display:var(--font-ui);--font-caps:var(--font-ui)}@media (width>=640px){:root{--gutter:1.5rem}}@media (width>=1024px){:root{--gutter:2rem}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:100%/1.55 var(--font-ui);-webkit-font-smoothing:antialiased;font-optical-sizing:auto;min-height:100dvh;margin:0;overflow-x:clip}:lang(hi) body,:lang(ar) body{line-height:1.75}img,svg{max-width:100%;display:block}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit}::selection{background:#c9a55c59}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.display,h1.display{font-family:var(--font-display);letter-spacing:-.015em;text-wrap:balance;margin:0;font-size:clamp(2.5rem,6.5vw,4.75rem);font-weight:600;line-height:1.02}.title-1{font-family:var(--font-display);letter-spacing:-.01em;text-wrap:balance;margin:0;font-size:clamp(2.1rem,4.6vw,3.25rem);font-weight:600;line-height:1.06}.title-2{letter-spacing:-.018em;text-wrap:balance;margin:0;font-size:clamp(1.35rem,2.4vw,1.6rem);font-weight:650;line-height:1.2}.title-3{letter-spacing:-.01em;margin:0;font-size:1.125rem;font-weight:650;line-height:1.3}.lead{color:var(--ink-2);letter-spacing:-.005em;text-wrap:pretty;margin:0;font-size:clamp(1.1rem,1.6vw,1.3rem);line-height:1.5}.eyebrow{font-family:var(--font-caps);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-ink);margin:0;font-size:.78rem;font-weight:600}:lang(zh) .eyebrow,:lang(ja) .eyebrow,:lang(hi) .eyebrow,:lang(ar) .eyebrow{letter-spacing:.04em;font-size:.85rem}.caption{color:var(--ink-3);letter-spacing:.005em;font-size:.875rem;line-height:1.45}.foil-text{background:var(--foil);color:#0000;-webkit-background-clip:text;background-clip:text}.wrap{width:min(100% - 2 * var(--gutter), var(--wide));margin-inline:auto}.measure{width:min(100% - 2 * var(--gutter), var(--measure));margin-inline:auto}main{padding-block-end:calc(4rem + var(--tab-h))}.stack>*+*{margin-block-start:var(--space,1rem)}.btn{--h:2.875rem;min-height:var(--h);letter-spacing:-.005em;background:var(--accent);color:var(--accent-ink);transition:transform .16s var(--ease-out), background-color .2s, box-shadow .2s, opacity .2s;-webkit-tap-highlight-color:transparent;user-select:none;touch-action:manipulation;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:0 1.25rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:active,.btn.is-pressed{transition-duration:80ms;transform:scale(.97)}.btn:disabled,.btn[aria-disabled=true]{opacity:.4;pointer-events:none}.btn.secondary{background:var(--accent-soft);color:var(--accent)}.btn.ghost{color:var(--accent);border-color:var(--line-strong);background:0 0}.btn.large{--h:3.25rem;padding:0 1.6rem;font-size:1.0625rem}.btn.small{--h:2.25rem;padding:0 .95rem;font-size:.9375rem}.btn.block{width:100%}.icon-btn{width:2.5rem;height:2.5rem;color:var(--ink);transition:transform .14s var(--ease-out), background-color .16s;-webkit-tap-highlight-color:transparent;background:0 0;border:0;border-radius:999px;place-items:center;display:inline-grid}.icon-btn:hover{background:var(--accent-soft)}.icon-btn:active{transform:scale(.92)}.icon-btn svg{width:1.25rem;height:1.25rem}.card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}.material{background:var(--material);backdrop-filter:blur(24px)saturate(170%)}.pill{background:var(--accent-soft);color:var(--accent);letter-spacing:.005em;white-space:nowrap;border-radius:999px;align-items:center;gap:.35rem;padding:.2rem .65rem;font-size:.8125rem;font-weight:600;display:inline-flex}.prose{color:var(--ink);font-size:1.0938rem;line-height:1.7}:lang(zh) .prose,:lang(ja) .prose{font-size:1.0625rem;line-height:1.85}.prose>*+*{margin-block-start:1.05em}.prose h2{letter-spacing:-.02em;text-wrap:balance;margin-block:2.4em .2em;font-size:clamp(1.45rem,2.6vw,1.75rem);font-weight:650;line-height:1.2}.prose h3{letter-spacing:-.012em;margin-block:1.8em .2em;font-size:1.2rem;font-weight:650;line-height:1.3}.prose p,.prose li{text-wrap:pretty}.prose ul,.prose ol{padding-inline-start:1.35em}.prose li+li{margin-block-start:.4em}.prose li::marker{color:var(--gold-ink)}.prose strong{font-weight:650}.prose a{color:var(--accent);text-underline-offset:.2em;text-decoration-thickness:1px}.prose-table{overflow-x:auto}.prose table{border-collapse:collapse;width:100%;font-size:.95rem}.prose th,.prose td{text-align:start;border-block-end:1px solid var(--line);vertical-align:top;padding:.6em .8em}.prose th{color:var(--ink-2);letter-spacing:.01em;font-size:.85rem;font-weight:650}.prose blockquote{border-inline-start:3px solid var(--gold);color:var(--ink-2);margin-inline:0;padding-inline-start:1rem}.prose code{background:var(--bg-sunk);border-radius:6px;padding:.1em .35em;font-size:.92em}.term{all:unset;cursor:pointer;color:inherit;font:inherit;text-decoration:underline dotted;text-decoration-color:var(--gold);text-underline-offset:.22em;-webkit-tap-highlight-color:transparent;border-radius:4px;text-decoration-thickness:2px;transition:background-color .16s}.term:hover,.term[aria-expanded=true]{background:#c9a55c2e}.term:active{background:#c9a55c4d}.term:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.callout{--c:var(--accent);--c-soft:var(--accent-soft);border-radius:var(--r-md);background:var(--c-soft);border:1px solid color-mix(in srgb, var(--c) 18%, transparent);margin-inline:0;padding:1.1rem 1.25rem;font-size:1rem;line-height:1.6}.callout>*+*{margin-block-start:.6em}.callout>:first-child{margin-block-start:0}.callout p{margin:0}.callout p+p{margin-block-start:.6em}.callout-title{letter-spacing:.06em;text-transform:uppercase;color:var(--c);align-items:center;gap:.45rem;font-size:.8125rem;font-weight:700;display:flex}:lang(zh) .callout-title,:lang(ja) .callout-title,:lang(hi) .callout-title,:lang(ar) .callout-title{text-transform:none;letter-spacing:0;font-size:.9rem}.callout-title:before{content:"";width:1.05rem;height:1.05rem;-webkit-mask:var(--icon) center / contain no-repeat;mask:var(--icon) center / contain no-repeat;background:currentColor;flex:none}.callout-example{--c:var(--accent);--icon:url("data:image/svg+xml,%3Csvg 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.callout-myth{--c:#d1a8e0;--c-soft:#d1a8e01a}:root:not([data-theme=light]) .callout-key{--c-soft:#d9bd7e1a}}:root[data-theme=dark] .callout-world{--c:#8cc3e0;--c-soft:#8cc3e01a}:root[data-theme=dark] .callout-myth{--c:#d1a8e0;--c-soft:#d1a8e01a}.field{gap:.4rem;display:grid}.field label{color:var(--ink-2);font-size:.9rem;font-weight:600}.input,select.input{border-radius:var(--r-sm);border:1px solid var(--line-strong);background:var(--bg-elev);width:100%;min-height:2.875rem;padding:0 .9rem;font-size:1rem;transition:border-color .16s,box-shadow .16s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);outline:none}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.btn:active,.icon-btn:active{transform:none}}@media (prefers-reduced-transparency:reduce){:root{--material:var(--bg-elev);--material-strong:var(--bg-elev)}.material{backdrop-filter:none}}@media (prefers-contrast:more){:root{--line:#15201a66;--line-strong:#15201a99;--ink-2:#2c352f;--ink-3:#3e4842;--material:var(--bg-elev)}.material{backdrop-filter:none;border:1px solid var(--line-strong)}}