@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-cyrillic-ext-wght-normal.cHuGMAiY.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-cyrillic-wght-normal.DwHjdM4S.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-greek-wght-normal.ece1310W.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-vietnamese-wght-normal.D-yuW59g.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-latin-ext-wght-normal.CxNHBx-q.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-latin-wght-normal.D9elroTD.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Source Serif 4 Variable";font-style:italic;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-cyrillic-ext-wght-italic.BXuSHrjR.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4 Variable";font-style:italic;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-cyrillic-wght-italic.RLIThRd4.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:"Source Serif 4 Variable";font-style:italic;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-greek-wght-italic.F2ziEGcb.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:"Source Serif 4 Variable";font-style:italic;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-vietnamese-wght-italic.C3q834ic.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4 Variable";font-style:italic;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-latin-ext-wght-italic.CpkvI5hy.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4 Variable";font-style:italic;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-latin-wght-italic.D2yaqPoE.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light;--bg:#fbfaf7;--bg-sunken:#f3f1ec;--text:#1b1a18;--text-2:#5c5852;--text-3:#6f6a62;--rule:#e5e1d8;--rule-strong:#d3cec3;--accent:#b4361f;--accent-soft:#b4361f1a;--on-accent:#fff;--selection:#b4361f29;--font-serif:"Source Serif 4 Variable", "Source Serif 4", Georgia, "Times New Roman", "Songti SC", serif;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;--font-display:var(--font-serif);--font-body:var(--font-serif);--body-size:1.1875rem;--body-leading:1.7;--body-tracking:normal;--measure:40rem;--page:52rem;--gutter:clamp(1.25rem, 4vw, 2.5rem);--radius:6px;--ease:cubic-bezier(.2, 0, 0, 1)}:root:lang(zh-CN){--font-display:var(--font-sans);--font-body:var(--font-sans);--body-size:1.0625rem;--body-leading:1.9;--body-tracking:.02em}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#151514;--bg-sunken:#1d1c1a;--text:#ece9e2;--text-2:#aba69c;--text-3:#8e897f;--rule:#2c2b28;--rule-strong:#3d3b37;--accent:#f07a62;--accent-soft:#f07a621f;--on-accent:#151514;--selection:#f07a6240}}:root[data-theme=dark]{color-scheme:dark;--bg:#151514;--bg-sunken:#1d1c1a;--text:#ece9e2;--text-2:#aba69c;--text-3:#8e897f;--rule:#2c2b28;--rule-strong:#3d3b37;--accent:#f07a62;--accent-soft:#f07a621f;--on-accent:#151514;--selection:#f07a6240}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:2rem}body{background:var(--bg);min-height:100vh;color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-kerning:normal;flex-direction:column;margin:0;font-size:1rem;line-height:1.6;display:flex}main{flex:1}::selection{background:var(--selection)}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}img,svg{max-width:100%;display:block}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.01em;text-wrap:balance;margin:0;font-weight:600;line-height:1.2}:lang(zh-CN) :is(h1,h2,h3,h4){letter-spacing:.01em}p{text-wrap:pretty;margin:0}button{font:inherit;color:inherit}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{z-index:100;border-radius:var(--radius);background:var(--text);color:var(--bg);padding:.5rem .875rem;font-size:.875rem;position:absolute;top:.75rem;left:.75rem;transform:translateY(-200%)}.skip-link:focus{transform:none}.page{width:100%;max-width:calc(var(--page) + 2 * var(--gutter));padding-inline:var(--gutter);margin-inline:auto}.column{width:100%;max-width:calc(var(--measure) + 2 * var(--gutter));padding-inline:var(--gutter);margin-inline:auto}.eyebrow{font-family:var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);margin:0;font-size:.75rem;font-weight:600}:lang(zh-CN) .eyebrow{letter-spacing:.12em;font-size:.8125rem}.meta{font-family:var(--font-sans);color:var(--text-3);font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:center;gap:.25rem .625rem;font-size:.875rem;display:flex}.meta>*+:before{content:"·";color:var(--rule-strong);margin-right:.625rem}.text-link{color:var(--text);text-decoration:underline;text-decoration-color:var(--rule-strong);text-underline-offset:.22em;transition:text-decoration-color .15s var(--ease), color .15s var(--ease);text-decoration-thickness:1px}.text-link:hover{color:var(--accent);text-decoration-color:currentColor}.arrow-link{font-family:var(--font-sans);color:var(--accent);align-items:center;gap:.375rem;font-size:.9375rem;font-weight:500;display:inline-flex}.arrow-link:after{content:"→";transition:transform .2s var(--ease)}.arrow-link:hover:after{transform:translate(3px)}.button{background:var(--text);min-height:2.5rem;color:var(--bg);font-family:var(--font-sans);cursor:pointer;transition:opacity .15s var(--ease), background-color .15s var(--ease);border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:.5rem 1.125rem;font-size:.9375rem;font-weight:500;line-height:1;display:inline-flex}.button:hover{opacity:.85}.button-quiet{border-color:var(--rule-strong);color:var(--text);background:0 0}.button-quiet:hover{opacity:1;background:var(--bg-sunken)}.prose{font-family:var(--font-body);font-size:var(--body-size);line-height:var(--body-leading);letter-spacing:var(--body-tracking);overflow-wrap:break-word;hanging-punctuation:first}.prose>*+*{margin-top:1.25em}.prose :is(h2,h3,h4){scroll-margin-top:2rem;position:relative}.prose h2{margin-top:2.2em;font-size:1.45em}.prose h3{margin-top:1.9em;font-size:1.18em}.prose h4{margin-top:1.6em;font-size:1em}.prose :is(h2,h3,h4)+*{margin-top:.75em}.prose .heading-anchor{color:var(--text-3);opacity:0;transition:opacity .15s var(--ease);margin-left:.35em;font-weight:400}.prose .heading-anchor:before{content:"#"}.prose :is(h2,h3,h4):hover .heading-anchor{opacity:1}.prose a:not(.heading-anchor,.embed-video-link){color:inherit;text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent) 55%, transparent);text-underline-offset:.2em;transition:color .15s var(--ease), text-decoration-color .15s var(--ease);text-decoration-thickness:1px}.prose a:not(.heading-anchor,.embed-video-link):hover{color:var(--accent);text-decoration-color:currentColor}.prose strong{font-weight:650}:lang(zh-CN) .prose em{-webkit-text-emphasis:filled circle var(--accent);text-emphasis:filled circle var(--accent);font-style:normal;-webkit-text-emphasis-position:under;text-emphasis-position:under}.prose :is(ul,ol){padding-left:1.4em}.prose li+li,.prose li>:is(ul,ol){margin-top:.4em}.prose li::marker{color:var(--text-3)}.prose blockquote{border-left:2px solid var(--accent);color:var(--text-2);margin-inline:0;padding-left:1.25em}.prose blockquote>*+*{margin-top:.9em}.prose hr{text-align:center;border:0;margin-block:2.5em;overflow:visible}.prose hr:after{content:"· · ·";color:var(--text-3);letter-spacing:.6em;font-family:var(--font-serif)}.prose code{background:var(--bg-sunken);font-family:var(--font-mono);border-radius:4px;padding:.12em .35em;font-size:.85em}.prose pre{border-radius:var(--radius);background:var(--bg-sunken);padding:1rem 1.25rem;font-size:.85em;line-height:1.6;overflow-x:auto}.prose pre code{font-size:inherit;background:0 0;padding:0}.prose table{border-collapse:collapse;width:100%;font-family:var(--font-sans);font-size:.9em}.prose :is(th,td){border-bottom:1px solid var(--rule);text-align:left;padding:.5em .75em}.prose img{border-radius:var(--radius);height:auto}.embed-video{margin-inline:0}.embed-video-link,.embed-video iframe{aspect-ratio:16/9;border-radius:var(--radius);background:#111;border:0;width:100%;display:block;position:relative;overflow:hidden}.embed-video-link img{object-fit:cover;width:100%;height:100%;transition:opacity .2s var(--ease)}.embed-video-link:hover img{opacity:.85}.embed-video-play{width:4rem;height:2.75rem;transition:background-color .2s var(--ease);background:#000000b8;border-radius:.75rem;position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%)}.embed-video-play:before{content:"";border:.6rem solid #0000;border-left:1rem solid #fff;border-right-width:0;position:absolute;inset:50% auto auto 54%;transform:translate(-50%,-50%)}.embed-video-link:hover .embed-video-play{background:#e33}@media (width<=40rem){:root{--body-size:1.125rem}:root:lang(zh-CN){--body-size:1.0625rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.site-header[data-astro-cid-nen7h5rs]{padding-block:1.25rem}.header-inner[data-astro-cid-nen7h5rs]{grid-template-columns:1fr auto auto;grid-template-areas:"brand nav tools";align-items:center;gap:.75rem 2rem;display:grid}.brand[data-astro-cid-nen7h5rs]{grid-area:brand;justify-self:start;align-items:center;gap:.625rem;display:inline-flex}.brand-name[data-astro-cid-nen7h5rs]{font-family:var(--font-serif);letter-spacing:-.01em;font-size:1.1875rem;font-weight:600}.site-nav[data-astro-cid-nen7h5rs]{grid-area:nav;gap:1.75rem;font-size:.9375rem;display:flex}.site-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--text-2);transition:color .15s var(--ease);padding-block:.25rem;position:relative}.site-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover,.site-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]{color:var(--text)}.site-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]:after{content:"";background:var(--accent);border-radius:2px;height:2px;position:absolute;inset:auto 0 -.125rem}.header-tools[data-astro-cid-nen7h5rs]{grid-area:tools;align-items:center;gap:.375rem;display:flex}.lang-switch[data-astro-cid-nen7h5rs],.theme-toggle[data-astro-cid-nen7h5rs]{border:1px solid var(--rule);height:2.125rem;color:var(--text-2);transition:color .15s var(--ease), border-color .15s var(--ease);background:0 0;border-radius:999px;justify-content:center;align-items:center;display:inline-flex}.lang-switch[data-astro-cid-nen7h5rs]{padding-inline:.75rem;font-size:.8125rem;font-weight:500}.theme-toggle[data-astro-cid-nen7h5rs]{cursor:pointer;width:2.125rem;padding:0}.lang-switch[data-astro-cid-nen7h5rs]:hover,.theme-toggle[data-astro-cid-nen7h5rs]:hover{color:var(--text);border-color:var(--rule-strong)}.icon-sun[data-astro-cid-nen7h5rs]{display:none}[data-theme=dark] .icon-sun[data-astro-cid-nen7h5rs]{display:block}[data-theme=dark] .icon-moon[data-astro-cid-nen7h5rs]{display:none}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .icon-sun[data-astro-cid-nen7h5rs]{display:block}:root:not([data-theme=light]) .icon-moon[data-astro-cid-nen7h5rs]{display:none}}@media (width<=40rem){.site-header[data-astro-cid-nen7h5rs]{padding-block:1rem .5rem}.header-inner[data-astro-cid-nen7h5rs]{grid-template-columns:1fr auto;grid-template-areas:"brand tools""nav nav"}.site-nav[data-astro-cid-nen7h5rs]{gap:1.5rem}}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--rule);margin-top:6rem}.footer-inner[data-astro-cid-jo6i4kqk]{color:var(--text-3);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem 2rem;padding-block:2rem 2.5rem;font-size:.875rem;display:flex}.footer-links[data-astro-cid-jo6i4kqk]{gap:1.5rem;display:flex}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{transition:color .15s var(--ease)}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--text)}
