:root{color-scheme:light;--surface-page:#f4f7fc;--surface-raised:#ffffff;--surface-subtle:#e9eef8;--surface-stripe:#f0f4fa;--surface-sunken:#eaeff8;--surface-inset:#f7f9fd;--border-subtle:#dde4f0;--border-line:#7c8aa5;--border-card:#cfd8e8;--edge-highlight:rgba(255,255,255,0.92);--avatar-ring:0 0 0 1px rgba(0,0,0,0.38);--text-primary:#0e1729;--text-secondary:#46536b;--text-tertiary:#5f6d84;--brand-primary:#2f4bd8;--brand-bright:#5470ff;--brand-deep:#1d33a6;--brand-soft:rgba(47,75,216,0.1);--brand-tint:rgba(47,75,216,0.16);--on-brand:#ffffff;--link:#2a46cf;--success:#136f3a;--warning:#9a5310;--danger:#b3181f;--focus-ring:#2f4bd8;--meteor:rgba(226,238,255,0.95);--rail-bg:rgba(255,255,255,0.84);--shadow-1:0 1px 2px rgba(19,32,64,0.06),0 2px 6px -1px rgba(19,32,64,0.07);--shadow-2:0 2px 4px rgba(19,32,64,0.05),0 8px 20px -6px rgba(19,32,64,0.12),0 18px 40px -18px rgba(19,32,64,0.16);--shadow-3:0 4px 8px rgba(19,32,64,0.06),0 14px 32px -8px rgba(19,32,64,0.14),0 36px 64px -24px rgba(19,32,64,0.2);--shadow-card:var(--shadow-1);--shadow-card-hover:var(--shadow-2);--glass-bg:rgba(255,255,255,0.72);--glass-brd:rgba(255,255,255,0.6);--ease-out:cubic-bezier(0.22,1,0.36,1);--ease-in-out:cubic-bezier(0.4,0,0.2,1);--dur-1:0.16s;--dur-2:0.28s;--dur-3:0.5s;--dur-4:0.85s;--reveal-shift:16px;--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;--font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono","Noto Sans Mono CJK SC","Courier New",monospace;--fs-hero:clamp(2.25rem,1.2rem + 3.9vw,4rem);--fs-section:clamp(1.375rem,1rem + 1.5vw,2rem);--fs-card-title:1.25rem;--fs-body:1rem;--fs-label:0.8125rem;--fs-nav:0.9375rem;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:32px;--space-6:48px;--space-7:64px;--container:1120px;--hero-map-w:420px;--hero-avatar-w:112px;--measure:66ch;--radius:12px;--radius-lg:18px;--nav-h:64px;--rail-w:252px;--backdrop-reading-top:var(--nav-h);--backdrop-reading-left:0px;--scrim-1:12%;--scrim-2:28%;--scrim-3:62%;--backdrop-glow:color-mix(in srgb,var(--brand-primary) 11%,transparent);--sticky-offset:var(--nav-h);--state-hover-accent:var(--brand-primary);--state-hover-surface:var(--brand-soft)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--surface-page:#060a14;--surface-raised:#0d1424;--surface-subtle:#151d31;--surface-stripe:#0a1120;--surface-sunken:#04070e;--surface-inset:#0a101d;--border-subtle:#1e2740;--border-line:#8798b5;--border-card:#232e48;--edge-highlight:rgba(255,255,255,0.06);--avatar-ring:0 0 0 1px rgba(255,255,255,0.4);--text-primary:#e8edf7;--text-secondary:#a7b3c8;--text-tertiary:#8e9cb3;--brand-primary:#8fb4ff;--brand-bright:#b0caff;--brand-deep:#5c86e8;--brand-soft:rgba(143,180,255,0.14);--brand-tint:rgba(143,180,255,0.24);--on-brand:#060a14;--link:#8fb4ff;--success:#4ade80;--warning:#fbbf24;--danger:#f87171;--focus-ring:#8fb4ff;--meteor:rgba(232,242,255,1);--scrim-1:26%;--scrim-2:44%;--scrim-3:70%;--backdrop-glow:color-mix(in srgb,var(--brand-bright) 15%,transparent);--rail-bg:rgba(11,17,32,0.72);--shadow-1:0 1px 2px rgba(0,0,0,0.5);--shadow-2:0 2px 6px rgba(0,0,0,0.5),0 16px 36px -14px rgba(0,0,0,0.6);--shadow-3:0 4px 10px rgba(0,0,0,0.55),0 28px 64px -20px rgba(0,0,0,0.7);--glass-bg:rgba(9,14,26,0.66);--glass-brd:rgba(146,176,255,0.14)}}:root[data-theme=dark]{color-scheme:dark;--surface-page:#060a14;--surface-raised:#0d1424;--surface-subtle:#151d31;--surface-stripe:#0a1120;--surface-sunken:#04070e;--surface-inset:#0a101d;--border-subtle:#1e2740;--border-line:#8798b5;--border-card:#232e48;--edge-highlight:rgba(255,255,255,0.06);--avatar-ring:0 0 0 1px rgba(255,255,255,0.4);--text-primary:#e8edf7;--text-secondary:#a7b3c8;--text-tertiary:#8e9cb3;--brand-primary:#8fb4ff;--brand-bright:#b0caff;--brand-deep:#5c86e8;--brand-soft:rgba(143,180,255,0.14);--brand-tint:rgba(143,180,255,0.24);--on-brand:#060a14;--link:#8fb4ff;--success:#4ade80;--warning:#fbbf24;--danger:#f87171;--focus-ring:#8fb4ff;--meteor:rgba(232,242,255,1);--scrim-1:26%;--scrim-2:44%;--scrim-3:70%;--backdrop-glow:color-mix(in srgb,var(--brand-bright) 15%,transparent);--rail-bg:rgba(11,17,32,0.72);--shadow-1:0 1px 2px rgba(0,0,0,0.5);--shadow-2:0 2px 6px rgba(0,0,0,0.5),0 16px 36px -14px rgba(0,0,0,0.6);--shadow-3:0 4px 10px rgba(0,0,0,0.55),0 28px 64px -20px rgba(0,0,0,0.7);--glass-bg:rgba(9,14,26,0.66);--glass-brd:rgba(146,176,255,0.14)}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--surface-page)}body{min-height:100dvh;background:transparent;color:var(--text-primary);font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body,dd,dl,figure,h1,h2,h3,h4,ol,p,ul{margin:0}ul{padding:0;list-style:none}img,svg{display:block;max-width:100%}a{color:var(--link);text-underline-offset:3px}@media (hover:hover){a:hover{color:var(--state-hover-accent)}}button{font:inherit}code,kbd,samp{font-family:var(--font-mono)}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;border-radius:4px}[hidden]{display:none!important}section{scroll-margin-top:var(--sticky-offset)}.backdrop{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}.backdrop__photo{position:absolute;inset:0;display:block;background-position:50%;background-repeat:no-repeat;background-size:cover;transform:scale(1.07);animation:backdrop-drift 160s var(--ease-in-out) infinite alternate;will-change:transform}.backdrop__photo--night{background-image:url(/backdrop/night-portrait-1080.webp);opacity:.62;filter:contrast(1.5) brightness(.62)}.backdrop__photo--day{background-image:url(/backdrop/day-1920.webp);opacity:.62;filter:hue-rotate(-18deg) saturate(.9)}@media (min-width:760px){.backdrop__photo--night{background-image:url(/backdrop/night-1280.webp)}}@media (min-width:1100px){.backdrop__photo--night{background-image:url(/backdrop/night-1920.webp)}.backdrop__photo--day{background-image:url(/backdrop/day-2560.webp)}}@media (min-width:1100px) and (-webkit-min-device-pixel-ratio:2),(min-width:1100px) and (min-resolution:2dppx),(min-width:1900px){.backdrop__photo--night{background-image:url(/backdrop/night-2560.webp)}}.backdrop__glow{position:absolute;top:0;left:0;display:none;width:680px;height:680px;margin:-340px 0 0 -340px;background:radial-gradient(circle 340px at 50% 50%,var(--backdrop-glow) 0,transparent 70%);transform:translate3d(var(--pointer-x,50vw),var(--pointer-y,50vh),0);will-change:transform;pointer-events:none;opacity:0;transition:opacity var(--dur-3) var(--ease-out)}@media (hover:hover) and (pointer:fine),(pointer:coarse){.backdrop__glow{display:block}}html[data-pointer] .backdrop__glow{opacity:1}@media (prefers-reduced-motion:reduce){:root:not([data-motion=on]) .backdrop__glow{display:none}}:root[data-motion=off] .backdrop__glow{display:none}.backdrop__veil{position:absolute;inset:0;display:block}.backdrop__veil--day{background:linear-gradient(180deg,color-mix(in srgb,var(--surface-page) 10%,transparent) 0,color-mix(in srgb,var(--surface-page) 40%,transparent) 40%,color-mix(in srgb,var(--surface-page) 84%,transparent) 100%)}.backdrop__veil--night{background:linear-gradient(180deg,color-mix(in srgb,var(--surface-page) 32%,transparent) 0,color-mix(in srgb,var(--surface-page) 58%,transparent) 46%,color-mix(in srgb,var(--surface-page) 92%,transparent) 100%)}.backdrop__meteors,.backdrop__photo--night,.backdrop__veil--night{display:none}[data-theme=dark] .backdrop__meteors,[data-theme=dark] .backdrop__photo--night,[data-theme=dark] .backdrop__veil--night{display:block}[data-theme=dark] .backdrop__photo--day,[data-theme=dark] .backdrop__veil--day{display:none}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .backdrop__meteors,:root:not([data-theme=light]) .backdrop__photo--night,:root:not([data-theme=light]) .backdrop__veil--night{display:block}:root:not([data-theme=light]) .backdrop__photo--day,:root:not([data-theme=light]) .backdrop__veil--day{display:none}}.backdrop__meteors{position:absolute;inset:0}.backdrop__meteor{position:absolute;width:2px;height:132px;border-radius:999px;background:linear-gradient(180deg,transparent,var(--meteor) 62%,var(--meteor));opacity:0;animation-name:meteor-fall;animation-timing-function:cubic-bezier(.4,0,.9,1);animation-iteration-count:infinite}.backdrop__meteor--1{top:-8%;left:64%;--meteor-shift:430px;animation-duration:13s;animation-delay:2.5s}.backdrop__meteor--2{top:14%;left:90%;height:96px;--meteor-shift:300px;animation-duration:19s;animation-delay:9s;opacity:.8}.backdrop__meteor--3{top:-14%;left:36%;height:74px;--meteor-shift:520px;animation-duration:29s;animation-delay:16s;opacity:.7}@keyframes meteor-fall{0%{opacity:0;transform:rotate(36deg) translateZ(0)}3%{opacity:.95}15%{opacity:0;transform:rotate(36deg) translate3d(0,var(--meteor-shift),0)}to{opacity:0;transform:rotate(36deg) translate3d(0,var(--meteor-shift),0)}}.backdrop__fx{position:absolute;inset:0;display:none;pointer-events:none}[data-theme=dark] .backdrop__fx{display:block}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .backdrop__fx{display:block}}.backdrop__fx-canvas{position:absolute;inset:0;width:100%;height:100%}.backdrop__scrim{position:absolute;top:var(--backdrop-reading-top);left:var(--backdrop-reading-left);right:0;bottom:0;display:block;background:linear-gradient(180deg,color-mix(in srgb,var(--surface-page) var(--scrim-1),transparent) 0,color-mix(in srgb,var(--surface-page) var(--scrim-2),transparent) 52%,color-mix(in srgb,var(--surface-page) var(--scrim-3),transparent) 100%);mask-image:linear-gradient(180deg,transparent,#000 96px);-webkit-mask-image:linear-gradient(180deg,transparent,#000 96px)}@keyframes backdrop-drift{0%{transform:scale(1.07) translateZ(0)}to{transform:scale(1.07) translate3d(-1.6%,-1.1%,0)}}.shell{display:block}.shell__rail{display:none}.shell__content{min-width:0}@media (min-width:1180px){.shell{display:grid;grid-template-columns:var(--rail-w) minmax(0,1fr);align-items:start}.shell__rail{display:block;position:-webkit-sticky;position:sticky;top:0;align-self:start;height:100dvh}:root{--sticky-offset:var(--space-4);--backdrop-reading-top:0px;--backdrop-reading-left:var(--rail-w)}}.rail{display:flex;flex-direction:column;gap:var(--space-5);height:100%;padding:var(--space-4) var(--space-4) var(--space-5);overflow-y:auto;border-right:1px solid var(--border-subtle);background:linear-gradient(180deg,color-mix(in srgb,var(--brand-primary) 6%,transparent),transparent 62%),var(--rail-bg);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%)}.rail__masthead{display:flex;align-items:center;gap:var(--space-3);text-decoration:none}@media (hover:hover){.rail__masthead:hover{color:var(--state-hover-accent)}}.rail__mark{flex:0 0 auto;width:38px;height:38px;border-radius:11px;box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.28)}.rail__names{display:grid;grid-gap:1px;gap:1px;min-width:0}.rail__name{font-family:var(--font-mono);font-size:.9375rem;font-weight:700;letter-spacing:-.01em;color:var(--text-primary)}.rail__role{font-size:.75rem;color:var(--text-tertiary)}.rail__section{display:grid;grid-gap:var(--space-2);gap:var(--space-2)}.rail__label{font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary)}.rail__nav{display:grid;grid-gap:2px;gap:2px}.rail__link{position:relative;display:flex;align-items:center;gap:var(--space-2);min-height:40px;padding:0 var(--space-3);border-radius:10px;font-size:var(--fs-nav);font-weight:500;color:var(--text-secondary);text-decoration:none;transition:color var(--dur-1) var(--ease-out),background-color var(--dur-1) var(--ease-out)}.rail__link svg{flex:0 0 auto;opacity:.72}@media (hover:hover){.rail__link:hover{color:var(--text-primary);background:var(--state-hover-surface)}.rail__link:hover svg{opacity:1}}.rail__link[aria-current=page]{color:var(--text-primary);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand-tint)}.rail__link[aria-current=page]:before{content:"";position:absolute;left:-1px;top:50%;width:3px;height:18px;border-radius:999px;background:linear-gradient(180deg,var(--brand-bright),var(--brand-deep));transform:translateY(-50%)}.rail__glossary{display:flex;flex-wrap:wrap;gap:6px}.rail__foot{display:grid;grid-gap:var(--space-3);gap:var(--space-3);margin-top:auto;padding-top:var(--space-4);border-top:1px solid var(--border-subtle)}.rail__controls{display:flex;flex-wrap:wrap;gap:var(--space-2);--toggle-label-min:7.5em}.rail__meta{display:grid;grid-gap:var(--space-1);gap:var(--space-1);font-size:.75rem;color:var(--text-tertiary)}.rail__meta a{font-weight:500}@media (hover:hover){.rail__meta a:hover{color:var(--state-hover-accent);text-decoration:underline;text-underline-offset:3px}}@media (min-width:1180px){.nav{display:none}}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--space-3)}@media (min-width:640px){.container{padding-inline:var(--space-4)}}@media (min-width:1024px){.container{padding-inline:var(--space-5)}}.section{padding-block:var(--space-7)}.section--tight{padding-block:var(--space-6)}.section__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-4)}.section__title{position:relative;font-size:var(--fs-section);font-weight:700;line-height:1.25;letter-spacing:-.02em;color:var(--text-primary)}.section__title:after{content:"";display:block;width:44px;height:3px;margin-top:var(--space-2);border-radius:999px;background:linear-gradient(90deg,var(--brand-bright),color-mix(in srgb,var(--brand-primary) 55%,transparent),transparent)}.section__subtitle{font-size:var(--fs-label);color:var(--text-secondary)}.section__link{font-size:var(--fs-label);font-weight:500}@media (hover:hover){.section__link:hover{color:var(--state-hover-accent);text-decoration:underline;text-underline-offset:3px}}.prose{max-inline-size:var(--measure)}.empty-state{padding:var(--space-6) var(--space-3);text-align:center;color:var(--text-secondary);background:var(--surface-raised);border:1px dashed var(--border-line);border-radius:var(--radius)}.taglist{display:flex;flex-wrap:wrap;gap:var(--space-2);min-inline-size:0}.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;left:var(--space-3);top:-100%;z-index:100;padding:var(--space-2) var(--space-3);border-radius:var(--radius);background:var(--brand-primary);color:var(--on-brand);font-size:var(--fs-nav);font-weight:500;text-decoration:none}.skip-link:focus{top:var(--space-2)}@media (hover:hover){.skip-link:hover{color:var(--on-brand)}}.chip{position:relative;display:inline-flex;align-items:center;gap:var(--space-1);min-height:24px;padding:3px var(--space-2);font-family:var(--font-sans);font-size:var(--fs-label);font-weight:500;line-height:1.4;letter-spacing:.01em;color:var(--text-secondary);background:var(--surface-raised);border:1px solid var(--border-card);border-radius:999px;box-shadow:inset 0 1px 0 var(--edge-highlight);white-space:normal;overflow-wrap:anywhere;max-inline-size:100%}button.chip{cursor:pointer}@media (hover:hover){button.chip:hover{color:var(--text-primary);border-color:var(--border-line)}}.chip.is-active,button.chip[aria-pressed=true]{color:var(--on-brand);background:linear-gradient(180deg,var(--brand-bright),var(--brand-primary));border-color:var(--brand-primary);box-shadow:inset 0 1px 0 rgba(255,255,255,.22)}.chip--warning{color:var(--warning);border-color:var(--warning);background:transparent}.chip--type{background:linear-gradient(180deg,color-mix(in srgb,var(--brand-primary) 14%,var(--surface-raised)),color-mix(in srgb,var(--brand-primary) 8%,var(--surface-raised)));border-color:var(--brand-tint)}.button,.chip--type{color:var(--text-primary)}.button{display:inline-flex;align-items:center;gap:var(--space-2);min-height:44px;padding:12px 20px;border:1px solid var(--border-line);border-radius:var(--radius);font-size:var(--fs-nav);font-weight:500;text-decoration:none;background:var(--surface-raised);box-shadow:inset 0 1px 0 var(--edge-highlight);cursor:pointer;transition:border-color var(--dur-1) var(--ease-out),box-shadow var(--dur-2) var(--ease-out),transform var(--dur-1) var(--ease-out)}@media (hover:hover){.button:hover{border-color:var(--state-hover-accent);color:var(--state-hover-accent);box-shadow:var(--shadow-1),inset 0 1px 0 var(--edge-highlight)}}.button--primary{border-color:transparent;background:linear-gradient(180deg,var(--brand-bright),var(--brand-primary));color:var(--on-brand);box-shadow:0 1px 2px rgba(19,32,64,.18),0 8px 20px -8px var(--brand-tint),inset 0 1px 0 rgba(255,255,255,.26)}@media (hover:hover){.button--primary:hover{color:var(--on-brand);transform:translateY(-1px);box-shadow:0 2px 4px rgba(19,32,64,.2),0 12px 28px -10px var(--brand-tint),inset 0 1px 0 rgba(255,255,255,.3)}}.button--small{min-height:36px;padding:6px 14px;font-size:var(--fs-label)}.card{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:var(--space-3);padding:var(--space-4);background:linear-gradient(180deg,var(--surface-raised) 0,color-mix(in srgb,var(--brand-primary) 4%,var(--surface-raised)) 100%);border:1px solid var(--border-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-1),inset 0 1px 0 var(--edge-highlight);transition:transform var(--dur-2) var(--ease-out),box-shadow var(--dur-2) var(--ease-out),border-color var(--dur-2) var(--ease-out)}.card:focus-within{transform:translateY(-3px);border-color:var(--brand-tint);box-shadow:var(--shadow-2),inset 0 1px 0 var(--edge-highlight)}@media (hover:hover){.card:hover{transform:translateY(-3px);border-color:var(--brand-tint);box-shadow:var(--shadow-2),inset 0 1px 0 var(--edge-highlight)}}.card__tags{display:flex;flex-wrap:wrap;gap:var(--space-1);margin-bottom:var(--space-2)}.card__title{font-size:var(--fs-card-title);font-weight:600;line-height:1.3;letter-spacing:-.01em;color:var(--text-primary)}.card__title a{color:inherit;text-decoration:none}.card__title a:after{content:"";position:absolute;inset:0;z-index:1}@media (hover:hover){.card:hover .card__title a,.card__title a:hover{color:var(--state-hover-accent)}}.card__summary{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;color:var(--text-secondary);line-height:1.6}.card__figure{display:block;width:100%;height:auto;margin-top:var(--space-2);color:var(--brand-primary);opacity:.92}.card__footer{justify-content:space-between;border-top:1px solid 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