@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-wght-normal.DqGufNeO.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-wght-normal.DlzME5K_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-wght-normal.CkhJZR-_.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-wght-normal.Dx4kXJAl.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:normal;font-display:swap;font-weight:200 900;src:url(/_astro/source-serif-4-cyrillic-ext-wght-normal.DHTKMUil.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.B1g8a0vD.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.BpXpdlRW.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.BsaNuasd.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.BVZ5su8S.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-20C4,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.DMe4EKeb.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{--font-sans:"Inter Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--font-serif:"Source Serif 4 Variable", Georgia, "Times New Roman", serif;--bg:#fbfbfa;--surface:#fff;--text:#1c1f23;--muted:#5d646d;--faint:#6b727b;--line:#e4e6e9;--accent:#0f6a6e;--accent-soft:#e3f1f1;--warm:#b4561a;--warm-soft:#fbeee3;--photo-bg:#e9e5dc;--shadow:0 1px 2px #0000000a, 0 4px 16px #0000000d;--page-width:1000px;--prose-width:760px;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#121417;--surface:#1a1d21;--text:#e7e9ec;--muted:#a3aab3;--faint:#8a929c;--line:#2a2e34;--accent:#5cc2c4;--accent-soft:#173335;--warm:#f0a46b;--warm-soft:#3a2a1d;--photo-bg:#2a2e34;--shadow:0 1px 2px #0000004d;color-scheme:dark}}:root[data-theme=dark]{--bg:#121417;--surface:#1a1d21;--text:#e7e9ec;--muted:#a3aab3;--faint:#8a929c;--line:#2a2e34;--accent:#5cc2c4;--accent-soft:#173335;--warm:#f0a46b;--warm-soft:#3a2a1d;--photo-bg:#2a2e34;--shadow:0 1px 2px #0000004d;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font:16px/1.65 var(--font-sans);margin:0}img{max-width:100%;height:auto}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}.wrap{max-width:var(--page-width);margin:0 auto;padding:0 16px}main{padding-bottom:32px}.skip{position:absolute;left:-9999px}.skip:focus{background:var(--surface);z-index:10;padding:6px 10px;top:8px;left:16px}.section{margin-top:48px}.section-head{font:600 13px/1 var(--font-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--faint);align-items:baseline;gap:12px;margin:0 0 18px;display:flex}.section-head a{letter-spacing:0;text-transform:none;margin-left:auto;font-size:13px;font-weight:500}.page-title{font:700 clamp(30px, 5vw, 40px)/1.15 var(--font-serif);letter-spacing:-.02em;margin:48px 0 10px}.page-intro{color:var(--muted);max-width:var(--prose-width);margin:0 0 8px;font-size:17px}.prose{max-width:var(--prose-width);font:17px/1.75 var(--font-serif)}.prose h2{font:600 13px/1 var(--font-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:36px 0 12px}.prose ul{padding-left:1.2em}.prose li{margin-bottom:6px}.prose strong{font-weight:600}.tags{color:var(--accent);flex-wrap:wrap;gap:6px 14px;margin:0;padding:0;font-size:13.5px;font-weight:500;list-style:none;display:flex}.tags li:before{content:"# ";color:var(--faint)}.btns{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.btn{font:500 13px/1.6 var(--font-sans);border:1px solid var(--line);color:var(--text);cursor:pointer;background:0 0;border-radius:5px;padding:3px 10px}.btn:hover,.btn[aria-expanded=true]{border-color:var(--accent);color:var(--accent);text-decoration:none}.reveal{transition:opacity .5s,transform .5s}.reveal.pending{opacity:0;transform:translateY(8px)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}.f-line{stroke:var(--accent);fill:none;stroke-width:2.2px}.f-axis{stroke:var(--line);stroke-width:1.2px}.f-charge{fill:var(--accent-soft)}.f-dis{fill:var(--warm-soft)}.f-txt{fill:var(--muted);font:500 9px var(--font-sans)}.f-edge{stroke:var(--faint);stroke-width:1.4px}.f-node{fill:var(--surface);stroke:var(--accent);stroke-width:1.8px}.f-node-w{fill:var(--surface);stroke:var(--warm);stroke-width:1.8px}.f-zone{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1.8px}.f-link{stroke:var(--warm);stroke-width:3px;stroke-linecap:round}.f-doc{fill:var(--surface);stroke:var(--accent);stroke-width:1.6px}.f-rule{stroke:var(--line);stroke-width:3px;stroke-linecap:round}@media print{:root{--bg:#fff;--surface:#fff;--text:#000;--muted:#333;--faint:#555;--line:#ccc;--accent:#000}.site-nav,.site-footer,.no-print,.skip{display:none!important}body{font-size:11pt}a{color:inherit}.reveal.pending{opacity:1;transform:none}}.site-nav[data-astro-cid-z4jru4n3]{border-bottom:1px solid var(--line);align-items:center;gap:24px;padding:22px 0;font-size:14.5px;font-weight:500;display:flex}.home[data-astro-cid-z4jru4n3]{color:var(--text);margin-right:auto;font-weight:600}.home[data-astro-cid-z4jru4n3]:hover{color:var(--accent);text-decoration:none}.site-nav[data-astro-cid-z4jru4n3] ul[data-astro-cid-z4jru4n3]{gap:24px;margin:0;padding:0;list-style:none;display:flex}.site-nav[data-astro-cid-z4jru4n3] ul[data-astro-cid-z4jru4n3] a[data-astro-cid-z4jru4n3]{color:var(--muted)}.site-nav[data-astro-cid-z4jru4n3] ul[data-astro-cid-z4jru4n3] a[data-astro-cid-z4jru4n3]:hover{color:var(--accent);text-decoration:none}.site-nav[data-astro-cid-z4jru4n3] ul[data-astro-cid-z4jru4n3] a[data-astro-cid-z4jru4n3][aria-current=page]{color:var(--text);box-shadow:inset 0 -2px 0 var(--accent)}.theme-toggle[data-astro-cid-z4jru4n3]{border:1px solid var(--line);color:var(--muted);font:inherit;cursor:pointer;background:0 0;border-radius:6px;align-items:center;gap:6px;padding:4px 10px;font-size:13px;display:inline-flex}.theme-toggle[data-astro-cid-z4jru4n3]:hover{color:var(--accent);border-color:var(--accent)}.theme-toggle[data-astro-cid-z4jru4n3] svg[data-astro-cid-z4jru4n3]{fill:none;stroke:currentColor;stroke-width:1.8px;width:14px;height:14px}.theme-toggle[data-astro-cid-z4jru4n3] svg[data-astro-cid-z4jru4n3] path[data-astro-cid-z4jru4n3]{fill:currentColor;stroke:none}@media (width<=640px){.site-nav[data-astro-cid-z4jru4n3]{flex-wrap:wrap;gap:10px 16px;padding:16px 0 12px}.site-nav[data-astro-cid-z4jru4n3] ul[data-astro-cid-z4jru4n3]{scrollbar-width:none;order:3;gap:20px;width:100%;overflow-x:auto}.theme-toggle[data-astro-cid-z4jru4n3] span[data-astro-cid-z4jru4n3]{display:none}.theme-toggle[data-astro-cid-z4jru4n3]{padding:5px 7px}}.site-footer[data-astro-cid-z4jru4n3]{border-top:1px solid var(--line);color:var(--faint);flex-wrap:wrap;gap:6px 18px;margin-top:56px;padding:18px 0 40px;font-size:13px;display:flex}.site-footer[data-astro-cid-z4jru4n3] a[data-astro-cid-z4jru4n3]{color:var(--faint)}.site-footer[data-astro-cid-z4jru4n3] a[data-astro-cid-z4jru4n3]:hover{color:var(--accent)}.site-footer[data-astro-cid-z4jru4n3] .updated[data-astro-cid-z4jru4n3]{margin-left:auto}@media (width<=640px){.site-footer[data-astro-cid-z4jru4n3] .updated[data-astro-cid-z4jru4n3]{margin-left:0}}