.footer-meta{width:100%}.footer-meta-line{margin:0;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.5rem .65rem;font-size:var(--type-xs);line-height:1.3;color:var(--line-soft);text-align:center}.footer-meta-link{color:inherit;text-decoration:none;display:inline-block;position:relative;z-index:0;transform-origin:center;transition:color .22s ease,transform .18s ease}.footer-meta-link--copyright{width:100%}.footer-meta-group{display:inline-flex;align-items:center;justify-content:center;flex-wrap:nowrap;gap:.45rem;width:100%}.footer-meta-separator--primary{display:none}@media(hover:hover){.footer-meta-link:hover{color:var(--line);transform:scale(1.04)}}.footer-meta-link:focus-visible{outline:none;color:var(--line);transform:scale(1.04)}@media(min-width:56.25rem){.footer-meta-line{align-items:flex-end;justify-content:flex-start;text-align:left}.footer-meta-link,.footer-meta-group{width:auto}.footer-meta-separator--primary{display:inline}}@media(prefers-reduced-motion:reduce){.footer-meta-link{transition:none}.footer-meta-link:hover,.footer-meta-link:focus-visible{transform:none}}.signature-wrap{--signature-svg-max: clamp(5.2rem, 4.2rem + 3.4vw, 8.4rem);width:100%;color:var(--line, #101010);text-decoration:none;min-height:0;display:flex;align-items:flex-end}.signature-mark{display:inline-block;width:min(var(--signature-svg-max),100%);will-change:clip-path}.signature-mark[data-signature-src=true]{aspect-ratio:394.6 / 80.8;background-color:currentColor;mask-image:var(--signature-mask);mask-position:center;mask-repeat:no-repeat;mask-size:contain;-webkit-mask-image:var(--signature-mask);-webkit-mask-position:center;-webkit-mask-repeat:no-repeat;-webkit-mask-size:contain}.signature-mark[data-signature-loaded=true]{aspect-ratio:auto;background-color:transparent;mask-image:none;-webkit-mask-image:none}.signature-wrap svg{display:block;width:100%;height:auto}.signature-mark svg,.signature-mark svg *{fill:currentColor!important;stroke:currentColor!important}@media(hover:hover){.signature-wrap:hover .signature-mark{animation:signature-write 1.45s cubic-bezier(.16,1,.3,1) both}.signature-wrap:hover .signature-mark[data-signature-inline=true] path{stroke-opacity:0}}.signature-wrap:focus-visible{outline:none}.signature-wrap:focus-visible .signature-mark{animation:signature-write 1.45s cubic-bezier(.16,1,.3,1) both}.signature-wrap:focus-visible .signature-mark[data-signature-inline=true] path{stroke-opacity:0}.signature-wrap:hover .signature-mark[data-signature-hover-locked=true],.signature-wrap:focus-visible .signature-mark[data-signature-hover-locked=true]{animation:none;clip-path:inset(0 0 0 0)}@keyframes signature-write{0%{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}@media(min-width:48rem){.signature-wrap{--signature-svg-max: min(clamp(6.2rem, 5.5rem + 2vw, 9rem), 100%)}}@media(prefers-reduced-motion:reduce){.signature-wrap:hover .signature-mark,.signature-wrap:focus-visible .signature-mark{animation:none}}.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}:root{--route-crossfade-duration: .18s;--route-transition-ease: cubic-bezier(.22, 1, .36, 1);--content-results-exit-duration: 55ms;--content-results-enter-duration: .12s}html .profile-area,html[data-route-transitioning=true] [data-content-results],html[data-route-swapping=true] [data-content-results]{view-transition-name:none}html[data-route-swapping=true] .home-shell,html[data-route-swapping=true] .home-shell *{animation:none!important;transition:none!important}::view-transition-group(root){animation:none}::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}::view-transition-old(root){animation:none;opacity:1}html[data-route-transitioning=true]::view-transition-new(root){animation:route-crossfade-in var(--route-crossfade-duration) var(--route-transition-ease) both}html[data-client-routed=true] .article-neighbor{animation:none}::view-transition-group(content-results){animation:none}::view-transition-old(content-results){animation:content-results-exit var(--content-results-exit-duration) cubic-bezier(.4,0,1,1) both;mix-blend-mode:normal}::view-transition-new(content-results){animation:content-results-enter var(--content-results-enter-duration) var(--route-transition-ease) var(--content-results-exit-duration) both;mix-blend-mode:normal}html[data-astro-transition-fallback=old] body,html[data-astro-transition-fallback=new] body{animation:none}@keyframes route-crossfade-in{0%{opacity:0}to{opacity:1}}@keyframes content-results-enter{0%{opacity:0}to{opacity:1}}@keyframes content-results-exit{0%{opacity:1}to{opacity:0}}@media(prefers-reduced-motion:reduce){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}html[data-astro-transition-fallback=old] body,html[data-astro-transition-fallback=new] body{animation:none!important}}.snow-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;contain:strict;background-color:#fff9f1;--fg: #9dafa2;--snow-strength: 9%;--snow-ink: color-mix( in srgb, var(--fg) var(--snow-strength, 15%), transparent );background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='144' height='144' viewBox='0 0 144 144'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' seed='11' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='.018'/%3E%3C/svg%3E");background-size:144px 144px}.snow-flake{--snow-mask-image: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='-48%20-48%2096%2096'%3e%3cg%20fill='none'%20stroke='%23000'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'%20%3e%3cpath%20d='M0%200V-27'%20/%3e%3cpath%20d='M0-27l-8%209.2M0-27l8%209.2'%20/%3e%3cpath%20d='M0-17l-6.2%206.4M0-17l6.2%206.4'%20/%3e%3cpath%20d='M0%200V-27'%20transform='rotate(60)'%20/%3e%3cpath%20d='M0-27l-8%209.2M0-27l8%209.2'%20transform='rotate(60)'%20/%3e%3cpath%20d='M0-17l-6.2%206.4M0-17l6.2%206.4'%20transform='rotate(60)'%20/%3e%3cpath%20d='M0%200V-27'%20transform='rotate(120)'%20/%3e%3cpath%20d='M0-27l-8%209.2M0-27l8%209.2'%20transform='rotate(120)'%20/%3e%3cpath%20d='M0-17l-6.2%206.4M0-17l6.2%206.4'%20transform='rotate(120)'%20/%3e%3cpath%20d='M0%200V-27'%20transform='rotate(180)'%20/%3e%3cpath%20d='M0-27l-8%209.2M0-27l8%209.2'%20transform='rotate(180)'%20/%3e%3cpath%20d='M0-17l-6.2%206.4M0-17l6.2%206.4'%20transform='rotate(180)'%20/%3e%3cpath%20d='M0%200V-27'%20transform='rotate(240)'%20/%3e%3cpath%20d='M0-27l-8%209.2M0-27l8%209.2'%20transform='rotate(240)'%20/%3e%3cpath%20d='M0-17l-6.2%206.4M0-17l6.2%206.4'%20transform='rotate(240)'%20/%3e%3cpath%20d='M0%200V-27'%20transform='rotate(300)'%20/%3e%3cpath%20d='M0-27l-8%209.2M0-27l8%209.2'%20transform='rotate(300)'%20/%3e%3cpath%20d='M0-17l-6.2%206.4M0-17l6.2%206.4'%20transform='rotate(300)'%20/%3e%3cpath%20d='M0-6.2%205.37-3.1%205.37%203.1%200%206.2-5.37%203.1-5.37-3.1Z'%20/%3e%3c/g%3e%3c/svg%3e");position:absolute;top:var(--snow-y);left:var(--snow-x);width:var(--snow-size);height:var(--snow-size);display:block;color:var(--snow-ink);opacity:var(--snow-opacity);transform:translateZ(0) rotate(var(--snow-rotate));transform-origin:50% 50%}.snow-flake:before{content:"";position:absolute;inset:0;background-color:currentColor;mask-image:var(--snow-mask-image);mask-position:center;mask-repeat:no-repeat;mask-size:contain;-webkit-mask-image:var(--snow-mask-image);-webkit-mask-position:center;-webkit-mask-repeat:no-repeat;-webkit-mask-size:contain}.snow-flake--rounded{--snow-mask-image: url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='-56%20-56%20112%20112'%3e%3cg%20fill='none'%20stroke='%23000'%20stroke-width='4.8'%20stroke-linecap='round'%20stroke-linejoin='round'%20%3e%3cpath%20d='M0%200V-35'%20/%3e%3cpath%20d='M0-34V-44'%20/%3e%3cpath%20d='M0-31l-13-13M0-31l13-13'%20/%3e%3cpath%20d='M0-20l-14-11M0-20l14-11'%20/%3e%3cpath%20d='M0%200V-35'%20transform='rotate(60)'%20/%3e%3cpath%20d='M0-34V-44'%20transform='rotate(60)'%20/%3e%3cpath%20d='M0-31l-13-13M0-31l13-13'%20transform='rotate(60)'%20/%3e%3cpath%20d='M0-20l-14-11M0-20l14-11'%20transform='rotate(60)'%20/%3e%3cpath%20d='M0%200V-35'%20transform='rotate(120)'%20/%3e%3cpath%20d='M0-34V-44'%20transform='rotate(120)'%20/%3e%3cpath%20d='M0-31l-13-13M0-31l13-13'%20transform='rotate(120)'%20/%3e%3cpath%20d='M0-20l-14-11M0-20l14-11'%20transform='rotate(120)'%20/%3e%3cpath%20d='M0%200V-35'%20transform='rotate(180)'%20/%3e%3cpath%20d='M0-34V-44'%20transform='rotate(180)'%20/%3e%3cpath%20d='M0-31l-13-13M0-31l13-13'%20transform='rotate(180)'%20/%3e%3cpath%20d='M0-20l-14-11M0-20l14-11'%20transform='rotate(180)'%20/%3e%3cpath%20d='M0%200V-35'%20transform='rotate(240)'%20/%3e%3cpath%20d='M0-34V-44'%20transform='rotate(240)'%20/%3e%3cpath%20d='M0-31l-13-13M0-31l13-13'%20transform='rotate(240)'%20/%3e%3cpath%20d='M0-20l-14-11M0-20l14-11'%20transform='rotate(240)'%20/%3e%3cpath%20d='M0%200V-35'%20transform='rotate(300)'%20/%3e%3cpath%20d='M0-34V-44'%20transform='rotate(300)'%20/%3e%3cpath%20d='M0-31l-13-13M0-31l13-13'%20transform='rotate(300)'%20/%3e%3cpath%20d='M0-20l-14-11M0-20l14-11'%20transform='rotate(300)'%20/%3e%3c/g%3e%3c/svg%3e")}:root[data-theme=light] .snow-bg{background-color:#fff9f1;--fg: #9dafa2;--snow-strength: 9%}.snow-bg[data-mode=dark],:root[data-theme=dark] .snow-bg{background-color:#1a1512;--fg: #96a899;--snow-strength: 8%;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='144' height='144' viewBox='0 0 144 144'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' seed='11' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='.022'/%3E%3C/svg%3E")}@keyframes snow-flake-spin-fall{0%{transform:translateZ(0) rotate(var(--snow-rotate))}to{transform:translate3d(var(--snow-drift-x),136vh,0) rotate(calc(var(--snow-rotate) + var(--snow-spin)))}}@keyframes snow-flake-drift-fall{0%{transform:translateZ(0) rotate(var(--snow-rotate))}to{transform:translate3d(var(--snow-drift-x),136vh,0) rotate(var(--snow-rotate))}}@media(prefers-reduced-motion:no-preference){.snow-bg[data-animated=true] .snow-flake{top:-18vh;animation-duration:var(--snow-duration);animation-delay:var(--snow-delay);animation-iteration-count:infinite;animation-timing-function:linear}.snow-bg[data-animated=true] :is(.snow-flake--near,.snow-flake--mid){animation-name:snow-flake-spin-fall;will-change:transform}.snow-bg[data-animated=true] .snow-flake--far{animation-name:snow-flake-drift-fall}}@media(prefers-reduced-motion:reduce){.snow-flake{animation:none;will-change:auto}}@media(forced-colors:active){.snow-flake{display:none!important}}:root{--fg: #7d7d7d;--muted: #7d7d7d}.constellation-bg{position:fixed;inset:0;z-index:0;pointer-events:none;background-color:#fff}.constellation-bg__canvas{width:100%;height:100%;display:block;opacity:.9}:root[data-theme=dark]{--fg: #ffffff;--muted: #ffffff}:root[data-theme=dark] .constellation-bg{background-color:#000}@media(prefers-reduced-motion:reduce){.constellation-bg__canvas{opacity:.7}}.coderain{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0;--rain: rgba(0, 0, 0, 1);--rain-alpha-boost: 0;background-color:#fff}html[data-theme=dark] .coderain,:root[data-theme=dark] .coderain{--rain: rgba(255, 255, 255, 1);--rain-alpha-boost: .09;background-color:#000}.coderain__drop{position:absolute;top:-20%;color:var(--rain);opacity:calc(var(--alpha) + var(--rain-alpha-boost));font-family:var( --mono, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace );white-space:nowrap;animation:rain var(--dur) linear infinite;animation-delay:var(--delay);will-change:transform}.coderain__drop.is-bright{opacity:.14}@keyframes rain{to{transform:translateY(125vh)}}@media(prefers-reduced-motion:reduce){.coderain__drop{animation:none;display:none}}.content-bg{--content-paper-base: #eee2d4;position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;background-color:var(--content-paper-base);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='144' height='144' viewBox='0 0 144 144'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='.018'/%3E%3C/svg%3E");background-size:144px 144px}.content-bg--note{--content-paper-base: #f0e3d2}.content-bg--project{--content-paper-base: #e8e3d6}:root[data-theme=dark] .content-bg{--content-paper-base: #1d1714;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='144' height='144' viewBox='0 0 144 144'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='.022'/%3E%3C/svg%3E")}:root[data-theme=dark] .content-bg--note{--content-paper-base: #211a16}:root[data-theme=dark] .content-bg--project{--content-paper-base: #1b1d18}@media(forced-colors:active){.content-bg{background:Canvas}}.floating-action-button{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;width:clamp(2.9rem,3.1vw,3.6rem);height:clamp(2.9rem,3.1vw,3.6rem);padding:0;border:1px solid color-mix(in srgb,var(--line) 16%,transparent);border-radius:999px;background:color-mix(in srgb,white 76%,transparent);color:var(--line);box-shadow:0 .75rem 2rem color-mix(in srgb,var(--line) 12%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);cursor:pointer;transition:color .22s ease}.floating-action-button-icon,.floating-action-button-icon svg{display:inline-flex;width:1.1rem;height:1.1rem}.floating-action-button-text{font-size:var(--type-sm);font-weight:600;line-height:1}.floating-action-button--document-progress{font-variant-numeric:tabular-nums}.document-progress-fab-percent{min-width:2.1rem;font-size:var(--type-xs);font-weight:700;line-height:1;text-align:center}.document-progress-fab-icon,.document-progress-fab-icon svg{display:inline-flex;width:1.12rem;height:1.12rem}.document-progress-fab-percent[hidden],.document-progress-fab-icon[hidden],.floating-action-button[hidden]{display:none!important}:root[data-theme=dark] .floating-action-button{border-color:#ffffff1f;background:#14161ee0;color:#f5f5f5f5;box-shadow:0 .75rem 2rem #00000047}:root{--paper: #fff9f1;--line: #45403a;--line-soft: rgba(69, 64, 58, .86);--accent: #884b3a;--accent-quiet: #455f57;--marker-yellow: #e7c98a;--marker-coral: #e49a80;--marker-moss: #9dafa2;--border-soft: color-mix(in srgb, var(--line) 14%, transparent);--text-muted: color-mix(in srgb, var(--line) 82%, transparent);--article-paper-surface: #fffdf8;--article-paper-border: rgba(111, 78, 52, .08);--article-paper-shadow: rgba(112, 78, 52, .14);--radius-sm: .5rem;--radius-md: 1rem;--font-size-base: clamp(14px, .25vw + .72rem, 16px);--type-xs: clamp(11.5px, .58rem + .07vw, 13.5px);--type-sm: clamp(13px, .67rem + .09vw, 15.5px);--type-base: clamp(14.5px, .73rem + .11vw, 17.5px);--type-md: clamp(15.5px, .84rem + .12vw, 19px);--type-lg: clamp(18px, .97rem + .17vw, 23px);--type-xl: clamp(22.5px, 1.22rem + .28vw, 31px);--type-2xl: clamp(27px, 1.42rem + .36vw, 38px);--type-content-body: clamp(16px, 14.6px + .17vw, 18.5px);--type-content-body-zh: clamp(16px, 14.5px + .16vw, 18px);--type-content-code: clamp(12.8px, 11.8px + .07vw, 14.8px);--type-content-caption: clamp(13px, 12.1px + .07vw, 15.2px);--type-content-h1: var(--type-2xl);--type-content-h2: var(--type-xl);--type-content-h3: 1.38rem;--type-content-h4: 1.2rem;--type-content-h5: 1.06rem;--type-content-h6: .98rem;--type-toc-title: 1.12rem;--type-toc-depth-1: .96rem;--type-toc-depth-2: .88rem;--type-toc-depth-3: .82rem;--type-toc-depth-4: .77rem;--type-toc-depth-5: .73rem;--type-toc-depth-6: .7rem;--type-toc-mobile-title: .96rem;--shell-max: min(94vw, 96rem);--shell-content-max: clamp(34rem, 56vw, 52rem);--article-shell-max: min(94vw, 112rem);--article-content-max: clamp(860px, 66vw, 960px);--article-reading-measure: min(80ch, 720px);--space: clamp(.1rem, .2vw, 1.25rem);--header-main-gap: clamp(.85rem, 1vw, 1.75rem);--footer-height: clamp(.5rem, 1vh, 1rem);--main-col-1-min: 2.6rem;--main-col-1-size: clamp(2.6rem, 3.2vw, 3.6rem);--main-col-2-min: 7.5rem;--main-col-3-min: 7.5rem;--main-col-1-fr: .5fr;--main-col-2-fr: 2.5fr;--main-col-3-fr: 3.5fr;--main-col-gap: .2rem;--nav-flyout-min: clamp(10.5rem, 18vw, 14rem);--menu-trigger-width: clamp(2.1rem, 2.4vw, 2.6rem);--menu-trigger-height: clamp(1.8rem, 2vw, 2.2rem);--menu-icon-size: clamp(1.1rem, 1.45vw, 1.65rem);--icon-btn-size: clamp(1.95rem, 2.5vw, 3rem);--icon-size: clamp(1.2rem, 1.7vw, 1.85rem);--signature-link-size: clamp(.95rem, 1.25vw, 1.3rem);--layout-sticky-top: max( clamp(.35rem, 1vw, .75rem), env(safe-area-inset-top) );--layout-sticky-main-top: clamp(4.4rem, 8vw, 6.4rem)}:root[data-theme=dark]{--paper: #1a1512;--line: #e9ddcc;--line-soft: rgba(233, 221, 204, .74);--accent: #d69a7b;--accent-quiet: #96a899;--marker-yellow: #d4b47c;--marker-coral: #d3957a;--marker-moss: #93a695;--article-paper-surface: #221c18;--article-paper-border: rgba(243, 232, 216, .1);--article-paper-shadow: rgba(0, 0, 0, .52)}*{box-sizing:border-box}html{font-size:var(--font-size-base);overflow-x:clip;overflow-y:auto;scrollbar-gutter:stable;overscroll-behavior-y:none;background-color:#fff9f1;color-scheme:light}:root[data-theme=dark]{background-color:#1a1512;color-scheme:dark}body{margin:0;min-height:100dvh;background-color:inherit;color:var(--line);line-height:1.5;font-family:Biotif,PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;overflow-x:clip;overflow-y:visible}.content-page-body{font-size:inherit;height:auto;padding:clamp(.85rem,1.8vw,1.4rem);overflow:visible}.content-page-body h1,.listing-header-title,.collection-page-title,.article-content-title{color:var(--line);font-family:Iowan Old Style,Palatino Linotype,Songti SC,STSong,Georgia,serif;-webkit-text-stroke:0;text-stroke:0}.content-page-body h1{margin:0 0 1rem;font-size:clamp(2rem,1.8rem + 1vw,3.5rem);font-weight:500;line-height:1.1}.content-page-body h2,.content-page-body h3,.content-page-body p,.content-page-body li{color:var(--line)}.content-page-body a{color:color-mix(in srgb,var(--accent) 82%,var(--line) 18%);text-decoration:none}.content-toc{width:100%;position:relative;height:auto;padding:clamp(.85rem,1.8vw,1.4rem);padding-right:clamp(1.35rem,1.1rem + .8vw,1.95rem);display:flex;flex-direction:column;gap:.9rem;overflow:visible}.content-toc-list{list-style:none;margin:0;padding:0 0 0 .9rem;display:flex;flex-direction:column;gap:.65rem}.content-toc-title{margin:0;color:var(--line);font-size:var(--type-toc-title);font-weight:400;line-height:1.15}.content-toc a,.content-toc-link{display:block;max-width:100%;min-width:0;overflow:hidden;color:color-mix(in srgb,var(--line) 58%,transparent);text-overflow:ellipsis;text-decoration:none;white-space:nowrap}@media(forced-colors:active){:root,:root[data-theme=dark]{--line: CanvasText;--line-soft: CanvasText;--accent: LinkText;--border-soft: CanvasText;--text-muted: GrayText;--content-text-color: CanvasText}html,body{background-color:Canvas!important;color:CanvasText!important;color-scheme:light dark}a{color:LinkText!important}:is(button,input,textarea,select){border-color:ButtonBorder!important;color:ButtonText!important}:is(a,button,summary,input,textarea,select,[role=button],[tabindex]:not([tabindex="-1"])):focus-visible{outline:2px solid Highlight!important;outline-offset:3px!important}:is(.content-page-body h1,.listing-header-title,.collection-page-title,.article-content-title,.article-comments-title,.latest-articles-title-text,.latest-articles-year-label){color:CanvasText!important;-webkit-text-stroke:0!important;text-stroke:0!important}.content-page-body .content-spoiler{border:1px solid CanvasText!important;background:CanvasText!important;color:Canvas!important}.content-page-body .content-spoiler:is(:hover,:focus-visible){background:Canvas!important;color:CanvasText!important}:is(.snow-bg,.content-bg,.coderain,.constellation-bg,.article-reading-paper,.nav-panel,.content-toc,.mobile-nav-drawer .nav-panel){background:Canvas!important;background-image:none!important;box-shadow:none!important;color:CanvasText!important}.content-bg:after,.snow-bg:before,.snow-bg:after,.coderain__drop,.constellation-bg__canvas{display:none!important}*,*:before,*:after{text-shadow:none!important}:is(.nav-panel,.content-toc,.mobile-nav-drawer .nav-panel,.content-bg__corner,.content-bg__punches span){border-color:CanvasText!important}}.content-page{width:100%;display:block;align-self:stretch}html[data-js=true] .content-page[data-content-entrance-enabled=true][data-page-entrance=ready]{opacity:0;transform:translateY(.35rem)}html[data-js=true] .content-page[data-content-entrance-enabled=true][data-page-entrance=entered]{opacity:1;transform:none;transition:opacity .18s ease-out,transform .24s cubic-bezier(.22,1,.36,1)}@media(prefers-reduced-motion:reduce){html[data-js=true] .content-page[data-content-entrance-enabled=true]:is([data-page-entrance=ready],[data-page-entrance=entered]){opacity:1;transform:none;transition:none}}@media(min-width:56.25rem){.home-shell--article .content-page--article{height:auto;min-height:0}.home-shell--article .content-page--article .content-page-body{height:auto;min-height:0;overflow-x:hidden;overflow-y:visible}}.content-page--links .content-page-body{min-width:0;overflow-x:hidden}.home-shell{position:relative;z-index:1;height:auto;min-height:100dvh;width:min(100%,var(--shell-max));margin-inline:auto;padding:var(--space);display:flex;flex-direction:column;gap:var(--space);overflow:visible}.home-shell--article{--shell-max: var(--article-shell-max)}@supports (view-transition-name: none){.profile-area{view-transition-name:content-main}}.home-header{position:sticky;top:var(--layout-sticky-top);z-index:30;padding-top:clamp(.55rem,1vw,.85rem);padding-right:clamp(.55rem,1vw,.85rem);padding-bottom:0;padding-left:clamp(.55rem,1vw,.85rem);display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;column-gap:clamp(.3rem,.8vw,.55rem)}.home-shell-status{position:absolute;right:clamp(.55rem,1vw,.85rem);bottom:-.85rem;min-width:0;max-width:min(100%,34rem);pointer-events:none}.wire-box{min-width:0}.signature-area{width:min(100%,clamp(10.5rem,34vw,23.75rem));min-height:clamp(2.75rem,7vh,4rem);display:flex;align-items:flex-end;justify-self:start;padding-bottom:0;margin-bottom:0}.signature-stack{width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:.35rem}.signature-collapse{--signature-panel-width: clamp(7.5rem, 8.5vw, 9.5rem);position:relative;z-index:7;width:100%;min-height:var(--menu-trigger-height)}.signature-collapse:before{content:"";position:absolute;top:100%;left:0;z-index:2;width:max(100%,var(--signature-panel-width));height:var(--signature-collapse-panel-hit-height, 0px);pointer-events:auto}.signature-collapse-trigger{width:var(--menu-trigger-width);height:var(--menu-trigger-height);border:0;padding:0;background:transparent;color:var(--line-soft);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;list-style:none;transition:color .2s ease}.signature-collapse-trigger::-webkit-details-marker{display:none}.signature-collapse-trigger svg{width:var(--menu-icon-size);height:var(--menu-icon-size)}.signature-collapse-panel{display:block;position:absolute;top:100%;left:0;z-index:3;width:max-content;min-width:var(--signature-panel-width);max-width:min(72vw,13rem);padding:.4rem 0;opacity:0;visibility:hidden;pointer-events:none;transform:translate3d(-.7rem,0,0);transform-origin:top left;clip-path:inset(0 100% 0 0 round .2rem);transition:opacity .16s ease-out,transform .22s cubic-bezier(.22,1,.36,1),clip-path .22s cubic-bezier(.22,1,.36,1),visibility 0s linear .22s}.signature-collapse[data-panel-state=open] .signature-collapse-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateZ(0);clip-path:inset(0 0 0 0 round .2rem);transition:opacity .16s ease-out,transform .22s cubic-bezier(.22,1,.36,1),clip-path .22s cubic-bezier(.22,1,.36,1),visibility 0s linear 0s}.signature-collapse[data-panel-state=closing] .signature-collapse-panel{opacity:0;visibility:visible;pointer-events:none;transform:translate3d(-.55rem,0,0);clip-path:inset(0 100% 0 0 round .2rem)}.signature-collapse-links{list-style:none;margin:0;padding:0}.signature-collapse-links a{display:block;width:100%;max-width:100%;padding:1.2rem .9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--line-soft);text-decoration:none;font-size:var(--signature-link-size);line-height:1.3;transform:translate(0);transition:color .22s ease,transform .22s cubic-bezier(.22,1,.36,1)}@media(hover:hover){.signature-collapse-links a:hover{color:var(--line);transform:translate(.22rem)}}.signature-collapse-links a:focus-visible{outline:none;color:var(--line);transform:translate(.22rem)}.nav-drawer{position:relative;width:fit-content}.mobile-nav-drawer{--mobile-nav-link-gap: .1rem;--mobile-nav-link-padding: .6rem .72rem;--mobile-nav-link-radius: .65rem;display:inline-flex;align-items:center}.hamburger{width:var(--icon-btn-size);height:var(--icon-btn-size);border:0;padding:0;background:transparent;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;list-style:none;color:var(--line-soft);line-height:0;transition:color .2s ease,opacity .2s ease}.hamburger::-webkit-details-marker{display:none}.hamburger svg{width:var(--icon-size);height:var(--icon-size);display:block}.nav-panel{position:absolute;top:calc(100% + .5rem);left:0;min-width:var(--nav-flyout-min);padding:.25rem 0;display:block;z-index:2;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-.28rem) rotate(.45deg) scale(.985);transform-origin:top right;transition:opacity .15s ease-out,transform .21s cubic-bezier(.22,1,.36,1),visibility 0s linear .21s}.mobile-nav-drawer .nav-panel{left:auto;right:0}.mobile-nav-drawer .nav-panel{top:calc(100% + .55rem);width:auto;min-width:8.75rem;max-width:min(56vw,11.5rem);padding:.35rem;border:0;border-radius:.9rem;background:#fffdf8f5;box-shadow:0 .9rem 2rem #1111111f;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow:hidden;z-index:12}.mobile-nav-drawer .signature-collapse-links{display:flex;flex-direction:column;gap:var(--mobile-nav-link-gap)}.mobile-nav-drawer .signature-collapse-links li{width:100%}.mobile-nav-drawer .signature-collapse-links a{display:block;width:100%;padding:var(--mobile-nav-link-padding);border-radius:var(--mobile-nav-link-radius);color:var(--line);font-size:.92rem;line-height:1.3;-webkit-tap-highlight-color:transparent}.mobile-nav-drawer .signature-collapse-links a:hover,.mobile-nav-drawer .signature-collapse-links a:focus-visible{outline:none;color:var(--line);background:color-mix(in srgb,var(--line) 7%,transparent);transform:translate(0)}.nav-drawer[open] .nav-panel{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition:opacity .15s ease-out,transform .21s cubic-bezier(.22,1,.36,1),visibility 0s linear 0s}.header-actions{grid-column:3;min-height:clamp(2.25rem,2.8vw,2.85rem);min-width:clamp(8rem,9.5vw,11rem);display:inline-flex;align-items:center;justify-content:flex-end;gap:clamp(.25rem,.8vw,.5rem);justify-self:end;margin-left:auto;padding-bottom:0;margin-bottom:0}.theme-switcher{display:inline-flex;align-items:center;gap:0}.language-switcher{position:relative;display:inline-flex;align-items:center;height:var(--icon-btn-size)}.language-switcher-trigger{width:var(--icon-btn-size);height:var(--icon-btn-size);border:1px solid transparent;border-radius:.58rem;padding:0;background:transparent;color:var(--line-soft);display:inline-flex;align-items:center;justify-content:center;font:inherit;font-size:var(--type-xs);font-weight:600;letter-spacing:.04em;line-height:1;cursor:pointer;list-style:none;user-select:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .18s ease}.language-switcher-trigger::-webkit-details-marker,.language-switcher-trigger::marker{display:none;content:""}.language-switcher-trigger>[data-language-current]{display:inline-flex;align-items:center;justify-content:center;min-width:2ch}.language-switcher[open] .language-switcher-trigger{color:var(--line);border-color:var(--border-soft);background:color-mix(in srgb,var(--line) 6%,transparent)}.language-switcher-menu{position:absolute;top:calc(100% + .45rem);right:0;z-index:32;width:max-content;min-width:min(11rem,calc(100vw - 1.5rem));max-width:calc(100vw - 1rem);margin:0;padding:.35rem;display:flex;flex-direction:column;gap:.12rem;border:1px solid var(--border-soft);border-radius:.72rem;background:color-mix(in srgb,var(--paper) 96%,transparent);color:var(--line);box-shadow:0 .9rem 2rem #11111124;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-.25rem) scale(.98);transform-origin:top right;transition:opacity .15s ease-out,transform .18s cubic-bezier(.22,1,.36,1),visibility 0s linear .18s}.language-switcher[open] .language-switcher-menu{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition:opacity .15s ease-out,transform .18s cubic-bezier(.22,1,.36,1),visibility 0s linear 0s}.language-option{width:100%;min-height:2.15rem;border:0;border-radius:.48rem;padding:.52rem .58rem;display:flex;align-items:center;justify-content:space-between;gap:1.15rem;background:transparent;color:var(--line-soft);font:inherit;font-size:var(--type-sm);line-height:1.2;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:color .18s ease,background-color .18s ease}.language-option-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.language-option-short{flex:0 0 auto;color:color-mix(in srgb,var(--line) 48%,transparent);font-size:var(--type-xs);font-weight:600;letter-spacing:.04em}.language-option:hover,.language-option:focus-visible,.language-option.is-current{outline:none;color:var(--line);background:color-mix(in srgb,var(--line) 8%,transparent)}.language-option:focus-visible{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 55%,transparent)}.language-option.is-current .language-option-short{color:var(--accent)}.theme-btn,.search-btn{width:var(--icon-btn-size);height:var(--icon-btn-size);border:1px solid transparent;border-radius:.58rem;background:transparent;color:var(--line-soft);display:inline-flex;align-items:center;justify-content:center;padding:0;line-height:0;cursor:pointer;transition:color .2s ease,opacity .2s ease,transform .18s ease}.theme-btn svg,.search-btn svg{width:var(--icon-size);height:var(--icon-size);display:block}.theme-btn [data-theme-icon]:not([hidden]){width:var(--icon-size);height:var(--icon-size);display:inline-flex;align-items:center;justify-content:center}.theme-btn [data-theme-icon]:not([hidden]) svg{width:100%;height:100%}.theme-btn[aria-pressed=true]{color:var(--line)}@media(hover:hover){.language-switcher-trigger:hover,.theme-btn:hover,.search-btn:hover{color:var(--line);border-color:var(--border-soft);background:color-mix(in srgb,var(--line) 6%,transparent);transform:translateY(-.08rem)}.signature-collapse-trigger:hover,.hamburger:hover{color:var(--line)}}.language-switcher-trigger:focus-visible,.theme-btn:focus-visible,.search-btn:focus-visible{outline:none;color:var(--line);border-color:var(--border-soft);background:color-mix(in srgb,var(--line) 6%,transparent);transform:translateY(-.08rem)}.signature-collapse-trigger:focus-visible,.hamburger:focus-visible{outline:none;color:var(--line)}.home-shell-search-root{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);opacity:0;pointer-events:none}.home-shell-search-root .sitesearch-button{display:none!important}:root[data-theme=dark] .ss-exp,:root[data-theme=dark] .modal-backdrop,:root[data-theme=dark] .sitesearch-button{--search-primary-color: #d69a7b;--search-secondary-color: #96a899;--search-background-color: #221c18;--search-neutral-color: #1a1512;--search-subtle-color: #96a899;--search-text-color: #e9ddcc;--search-subtle-text-color: #bfb3a1;--search-border-color: #453b32;--search-hover-color: #2b231e}.home-main{flex:1 0 auto;display:grid;grid-template-columns:1fr;gap:var(--main-col-gap);margin-top:calc(var(--header-main-gap) - var(--space));min-height:0;align-items:start}.side-nav-area{display:none;position:relative;z-index:7;min-height:0;height:auto;max-height:none;overflow:visible}.side-nav-stack{height:auto;display:flex;flex-direction:column;align-items:flex-start;gap:.75rem}.profile-area{min-height:0;height:auto;max-height:none;display:flex;align-items:center;justify-content:flex-start;overflow:visible}.latest-area{min-height:0;height:auto;max-height:none;grid-column:1 / -1;overflow:visible}.home-footer{position:relative;z-index:2;padding:clamp(.55rem,1vw,.85rem);padding-top:clamp(.55rem,1.5vw,1.85rem);border-top:0;display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:0}.footer-info{flex:1 1 100%;min-width:0;min-height:var(--footer-height);height:auto;display:flex;align-items:center;justify-content:center;overflow-wrap:anywhere}.footer-icons{flex:0 1 100%;min-height:var(--footer-height);display:inline-flex;align-items:center;justify-content:center;gap:clamp(.4rem,.7vw,.55rem);margin-left:0}.footer-rss-btn{width:var(--icon-btn-size);height:var(--icon-btn-size);border:0;background:transparent;color:var(--line-soft);display:inline-flex;align-items:flex-end;justify-content:center;padding-bottom:0;cursor:pointer;text-decoration:none;transform-origin:center bottom;transition:color .2s ease,opacity .2s ease,transform .18s ease}@media(hover:hover){.footer-rss-btn:hover{color:var(--line);transform:scale(1.12)}}.footer-rss-btn:focus-visible{outline:2px solid currentColor;outline-offset:2px;color:var(--line);transform:scale(1.12)}.footer-rss-btn svg{width:var(--icon-size);height:var(--icon-size)}@media(prefers-reduced-motion:reduce){.footer-rss-btn{transition:none}.footer-rss-btn:hover,.footer-rss-btn:focus-visible{transform:none}}@media(min-width:56.25rem){.home-shell--article{height:auto;min-height:100dvh;overflow:visible}.home-footer{align-items:flex-end;flex-wrap:nowrap;justify-content:flex-start;padding-top:clamp(0rem,0vw,1.05rem)}.footer-info{flex:1 1 auto;align-items:flex-end;justify-content:flex-start}.footer-icons{flex:0 0 auto;align-items:flex-end;justify-content:flex-end;margin-left:auto}.home-header{grid-template-columns:auto auto 1fr}.header-actions,.theme-switcher{align-items:flex-end}.mobile-nav-drawer{display:none}.home-main{grid-template-columns:minmax(var(--main-col-1-min),1fr) minmax(0,var(--shell-content-max)) minmax(var(--main-col-1-min),1fr);column-gap:clamp(.6rem,1.4vw,1.6rem)}.home-main{min-height:0;width:100%;align-self:stretch}.home-shell--article .home-main{grid-template-columns:minmax(var(--main-col-1-min),1fr) minmax(0,var(--article-content-max)) minmax(var(--main-col-1-min),1fr);column-gap:clamp(.6rem,1.4vw,1.6rem);overflow:visible}.side-nav-area{display:block;position:sticky;top:var(--layout-sticky-main-top);align-self:start;justify-self:start;min-height:0;height:auto;max-height:calc(100dvh - var(--layout-sticky-main-top) - var(--space));overflow:visible}.profile-area,.latest-area{min-height:0;height:auto;max-height:none}.home-shell--article .profile-area,.home-shell--article .latest-area{height:auto;max-height:none;overflow:visible}.latest-area{grid-column:auto;display:flex;align-items:flex-start;justify-content:flex-start;justify-self:start;width:100%;overflow:visible}.home-shell--article .latest-area{overflow:visible}.latest-area:has(>[data-home-shell-content-toc]){position:sticky;top:var(--layout-sticky-main-top);align-self:start;max-height:calc(100dvh - var(--layout-sticky-main-top) - var(--space));z-index:6}.latest-area>[data-home-shell-content-toc]{position:static;top:auto}}.floating-action-stack{position:fixed;right:clamp(.9rem,4vw,1.35rem);bottom:clamp(.95rem,4vw,1.35rem);z-index:45;display:flex;align-items:center;gap:.7rem;pointer-events:none}.floating-action-stack>*{pointer-events:auto}@media(min-width:80rem){.floating-action-button--toc{display:none}}.floating-action-stack[hidden]{display:none!important}.hamburger,.mobile-nav-drawer .signature-collapse-links a{-webkit-tap-highlight-color:transparent}:root[data-theme=dark] .mobile-nav-drawer .nav-panel{background:#221c18f5;box-shadow:0 1rem 2.4rem #0000006b}:root[data-theme=dark] .mobile-nav-drawer .signature-collapse-links a{color:#e9ddccf5}@media not all and (min-width:56.25rem){html,body{height:auto;overflow-x:hidden}.home-shell{height:auto;min-height:100dvh;overflow:visible}.home-main{align-items:start}.profile-area,.latest-area{height:auto;max-height:none;overflow:visible}}.home-shell:has(.home-discovery){--shell-max: min(94vw, 112rem);height:auto;min-height:100dvh;overflow:visible}.home-shell:has(.home-discovery) .home-main{grid-template-columns:minmax(0,1fr);row-gap:clamp(2.6rem,6vw,4.5rem);align-items:start;align-content:start}.home-shell:has(.home-discovery) .profile-area,.home-shell:has(.home-discovery) .latest-area{grid-column:1;width:100%;display:block}.home-shell:has(.home-discovery) .side-nav-area{display:none}@media(min-width:56.25rem)and (max-width:74.999rem){.home-shell:has(.home-discovery) .mobile-nav-drawer{display:inline-flex}}@media(min-width:75rem){.home-shell:has(.home-discovery) .home-main{grid-template-columns:minmax(2.6rem,3.3rem) minmax(0,.78fr) minmax(0,1.42fr);column-gap:clamp(1.5rem,2.8vw,3.8rem);row-gap:0;align-items:start}.home-shell:has(.home-discovery) .side-nav-area{grid-column:1;grid-row:1;display:block}.home-shell:has(.home-discovery) .profile-area{grid-column:2;grid-row:1;position:sticky;top:var(--layout-sticky-main-top);display:flex;justify-content:center;padding-top:clamp(.75rem,3.5vh,2.75rem)}.home-shell:has(.home-discovery) .latest-area{grid-column:3;grid-row:1;display:block}.home-shell:has(.home-discovery) .profile-card,.home-shell:has(.home-discovery) .home-discovery{width:100%}.home-shell:has(.home-discovery) .home-footer{padding-top:clamp(1rem,2.5vw,2.5rem)}}@media(min-width:100rem){.home-shell:has(.home-discovery) .home-main{grid-template-columns:minmax(2.8rem,3.6rem) minmax(0,.74fr) minmax(0,1.46fr)}}@media(min-width:40rem)and (max-width:56.249rem)and (orientation:landscape){.home-shell:has(.home-discovery) .home-main{row-gap:clamp(2.4rem,5vw,3.4rem)}.home-shell:has(.home-discovery) .profile-card,.home-shell:has(.home-discovery) .home-discovery{padding-block:.65rem}.home-shell:has(.home-discovery) .profile-card{--avatar-size: clamp(4rem, 8vw, 5rem)}}@media(max-width:39.999rem){.home-shell:has(.home-discovery) .home-main{row-gap:clamp(3rem,10vw,4.25rem)}.home-shell:has(.home-discovery) .profile-card,.home-shell:has(.home-discovery) .home-discovery{padding-inline:clamp(.7rem,3vw,.95rem)}}@media(prefers-reduced-motion:reduce){.signature-collapse-panel,.signature-collapse-links a,.nav-panel,.hamburger,.language-switcher-trigger,.language-switcher-menu,.language-option,.theme-btn,.search-btn{transition:none}}