@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+0460-052F,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+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,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+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@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+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,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+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.xuaO2J-f.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.DMdlQ8Kv.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-cyrillic-400-normal.BSMlKf0J.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-400-normal.CEL4l2ZJ.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-vietnamese-400-normal.BulugwFq.woff2) format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-400-normal.DDuiU_S-.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-ext-400-normal.BmRBH3aV.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-400-normal.D3D2R8hC.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-400-normal.CvHOgSBP.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BqneJy0T.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BIfNGwUT.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-cyrillic-500-normal.Bq9vWWag.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-500-normal.Ael50iVv.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-vietnamese-500-normal.DZ4AoWbu.woff2) format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-500-normal.C8zxqsMH.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-ext-500-normal.CAhNIIs5.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-500-normal.CZ70TYgx.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-500-normal.DSY6xOcd.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-500-normal.CB9ihrfo.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-cyrillic-ext-600-normal.V-xxqcpd.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-600-normal.9HEixskS.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-cyrillic-600-normal.CTOM6hUh.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-600-normal.fLZuRloM.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-vietnamese-600-normal.D2EvbN8M.woff2) format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-600-normal.iLQfcSjf.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-latin-ext-600-normal.D38SheWl.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-600-normal.DmB0ttJJ.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-latin-600-normal.BgSNZQsw.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-600-normal.DWFSQ4vo.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}.site-header[data-astro-cid-ctg3m53h]{position:sticky;top:0;z-index:100;background:var(--header-bg, color-mix(in srgb, var(--color-bg) 85%, transparent));backdrop-filter:saturate(180%) blur(12px);border-bottom:var(--rule) solid var(--color-border)}.site-header__inner[data-astro-cid-ctg3m53h]{max-width:var(--container-width);margin:0 auto;padding:0 1rem;height:56px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.site-header__brand[data-astro-cid-ctg3m53h]{font-family:var(--font-display);font-weight:var(--weight-hero);font-size:1rem;letter-spacing:var(--tracking-hero);color:var(--color-text);white-space:nowrap}.brand-accent[data-astro-cid-ctg3m53h],.dot[data-astro-cid-ctg3m53h]{color:var(--ink-500)}.site-header__nav[data-astro-cid-ctg3m53h]{display:flex;gap:.25rem}.nav-link[data-astro-cid-ctg3m53h]{font-family:var(--font-ui);padding:.4rem .7rem;border-radius:var(--radius-pill);text-transform:var(--case-nav, none);letter-spacing:var(--tracking-nav, 0);font-size:.85rem;font-weight:500;color:var(--color-text-light);white-space:nowrap;transition:color .2s ease,background .2s ease}@media (min-width: 768px){.nav-link[data-astro-cid-ctg3m53h]{padding:.4rem .85rem;font-size:.9rem}}.nav-link[data-astro-cid-ctg3m53h]:hover{color:var(--color-text);background:var(--color-bg-secondary)}.nav-link--active[data-astro-cid-ctg3m53h]{color:var(--color-primary);font-weight:600}.skip-link[data-astro-cid-ctg3m53h]{position:absolute;left:-9999px;top:0;background:var(--color-primary);color:var(--color-on-primary);padding:.6rem 1rem;z-index:200;border-radius:0 0 var(--radius-sm) 0}.skip-link[data-astro-cid-ctg3m53h]:focus{left:0}@media (max-width: 480px){.site-header__brand[data-astro-cid-ctg3m53h]{font-size:.9rem;min-width:0;overflow:hidden;text-overflow:ellipsis}.nav-link[data-astro-cid-ctg3m53h]{font-size:.75rem;padding:.35rem .45rem;letter-spacing:0}}@media (min-width: 768px){.site-header__inner[data-astro-cid-ctg3m53h]{padding:0 2rem}.site-header__brand[data-astro-cid-ctg3m53h]{font-size:1.125rem}}@media print{.site-header[data-astro-cid-ctg3m53h]{display:none}}.site-footer[data-astro-cid-gcn2mc3v]{background:var(--surface-footer);color:var(--on-emphasis-muted);border-top:var(--rule) solid var(--color-border);padding:2.5rem 0;margin-top:0}.site-footer__inner[data-astro-cid-gcn2mc3v]{display:flex;flex-direction:column;gap:1.25rem;align-items:center;text-align:center}.site-footer__name[data-astro-cid-gcn2mc3v]{font-weight:600;color:var(--on-emphasis);margin-bottom:.25rem}.site-footer__contact[data-astro-cid-gcn2mc3v]{color:var(--on-emphasis-muted);font-size:.9rem;text-decoration:underline}.site-footer__contact[data-astro-cid-gcn2mc3v]:hover{color:var(--on-emphasis)}.site-footer__links[data-astro-cid-gcn2mc3v]{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center;font-size:.9rem}.site-footer__links[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{color:var(--on-emphasis-muted)}.site-footer__links[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]:hover{color:var(--on-emphasis)}.site-footer__alias[data-astro-cid-gcn2mc3v]{font-size:.82rem;color:var(--on-emphasis-muted);margin:0}.site-footer__domain[data-astro-cid-gcn2mc3v]{font-family:var(--font-ui);color:var(--color-text);white-space:nowrap}.site-footer__note[data-astro-cid-gcn2mc3v]{font-size:.8rem;color:var(--on-emphasis-faint);margin:0}@font-face{font-family:LiSu Web;src:url(/fonts/lisu-zsr.woff2) format("woff2");font-display:swap;unicode-range:U+771F,U+5584,U+5FCD}:root{--ink-000: #fbfaf6;--ink-050: #f4f2eb;--ink-100: #eae7dd;--ink-200: #dbd7c9;--ink-300: #b6b1a0;--ink-400: #8d887a;--ink-500: #6a655a;--ink-600: #4e4a41;--ink-700: #383530;--ink-800: #22201c;--ink-900: #14130f;--ink-950: #0c0b09;--color-bg: var(--ink-000);--color-bg-secondary: var(--ink-050);--color-text: var(--ink-900);--color-text-light: var(--ink-500);--color-border: var(--ink-200);--color-primary: var(--ink-900);--color-primary-dark: var(--ink-700);--color-on-primary: var(--ink-000);--color-secondary: var(--ink-900);--color-accent: var(--ink-600);--color-falun-blue: #326cd1;--surface-emphasis: var(--ink-050);--surface-climax: var(--ink-100);--surface-hero: var(--ink-000);--surface-organ: var(--ink-050);--surface-footer: var(--ink-050);--on-emphasis: var(--ink-900);--on-emphasis-strong: var(--ink-800);--on-emphasis-muted: var(--ink-500);--on-emphasis-faint: var(--ink-500);--on-emphasis-line: var(--ink-200);--on-emphasis-fill: var(--ink-000);--on-emphasis-accent: var(--color-primary);--font-body: "Source Serif 4 Variable", "Source Serif 4", Georgia, "Times New Roman", serif;--font-display: var(--font-body);--font-ui: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--font-zh: "LiSu Web", "LiSu", "STLiti", "Baoli SC", serif;--weight-display: 600;--weight-hero: 700;--weight-strong: 600;--tracking-display: 0;--tracking-hero: -.015em;--tracking-eyebrow: .2em;--case-eyebrow: uppercase;--case-hero: none;--case-title: none;--case-button: uppercase;--tracking-button: .12em;--case-nav: uppercase;--tracking-nav: .1em;--leading-prose: 1.72;--leading-display: 1.2;--size-prose: 1.115rem;--link-underline: 1px;--marker-recognition: "—";--radius-sm: 0;--radius-md: 0;--radius-lg: 0;--radius-pill: 0;--radius-round: 0;--rule: 1px;--rule-strong: 2px;--measure: 64ch;--doc-width: 748px;--container-width: 1120px;--section-pad: 4rem;--section-pad-lg: 5.25rem;--band-pad: 4.25rem;--band-pad-lg: 6rem;--band-gap: 0;--band-gap-lg: 0;--letterhead-width: 780px;--align-title: left;--align-lede: left;--align-pullquote: left;--justify-cta: flex-start;--pullquote-rule: 2px;--pullquote-pad: 1.25rem;--pullquote-style: normal;--rule-title-left: 0;--rule-title-transform: none;--rule-title-width: 3.5rem;--rule-title-height: 2px;--img-filter: none;--shadow-sm: none;--shadow-md: none;--shadow-lg: none;--shadow-xl: none}*{margin:0;padding:0;box-sizing:border-box}html{font-family:var(--font-body);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);line-height:var(--leading-display);font-weight:var(--weight-display);margin-bottom:1rem}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.5rem,4vw,2.5rem)}h3{font-size:clamp(1.25rem,3vw,2rem)}p{margin-bottom:1rem;line-height:1.8}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.container{max-width:var(--container-width);margin:0 auto;padding:0 1rem}@media (min-width: 768px){.container{padding:0 2rem}}@media print{:root{--color-bg: #fff;--color-bg-secondary: #fff}html{font-size:11pt}body{color:#000}.doc-section--dark,.doc-section--climax,.letterhead{background:#fff!important;color:#000!important}.doc-section--dark *,.doc-section--climax *,.letterhead *{color:#000!important;text-shadow:none!important}.video-card,.letterhead__scroll,.letterhead__download{display:none!important}a[href]:after{content:" (" attr(href) ")";font-size:.85em;color:#555}.doc-section{padding:1.5rem 0!important;break-inside:avoid}img{max-width:100%!important}}.video-card[data-astro-cid-g6m6frnh]{margin-bottom:2rem}.video-link[data-astro-cid-g6m6frnh]{display:block;position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);transition:transform .3s ease,box-shadow .3s ease}.video-link[data-astro-cid-g6m6frnh]:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.video-embed[data-astro-cid-g6m6frnh]{position:relative;aspect-ratio:16 / 9;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:#000}.video-embed[data-astro-cid-g6m6frnh] iframe[data-astro-cid-g6m6frnh]{position:absolute;inset:0;width:100%;height:100%;border:0}.video-thumbnail[data-astro-cid-g6m6frnh]{position:relative;aspect-ratio:16 / 9;background:#000}.video-thumbnail[data-astro-cid-g6m6frnh] img[data-astro-cid-g6m6frnh]{width:100%;height:100%;object-fit:cover;filter:var(--img-filter)}.play-button[data-astro-cid-g6m6frnh]{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--color-primary);transition:transform .3s ease}.video-link[data-astro-cid-g6m6frnh]:hover .play-button[data-astro-cid-g6m6frnh]{transform:translate(-50%,-50%) scale(1.1)}.video-description[data-astro-cid-g6m6frnh]{text-align:var(--align-caption, center);color:var(--color-text-light);margin-top:1rem}.button[data-astro-cid-vnzlvqnm]{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-family:var(--font-ui);font-weight:500;font-size:1rem;text-transform:var(--case-button, none);letter-spacing:var(--tracking-button, 0);transition:all .2s ease;border:var(--button-border-width, 2px) solid transparent;cursor:pointer;text-align:center;width:100%;justify-content:center}@media (min-width: 640px){.button[data-astro-cid-vnzlvqnm]{width:auto}}.button--primary[data-astro-cid-vnzlvqnm]{background:var(--button-custom-color, var(--color-primary));color:var(--color-on-primary);border-color:var(--button-custom-color, var(--color-primary))}.button--primary[data-astro-cid-vnzlvqnm]:hover{background:var(--button-custom-color, var(--color-primary-dark));border-color:var(--button-custom-color, var(--color-primary-dark));transform:translateY(-2px);box-shadow:var(--shadow-md);filter:brightness(.9)}.button--secondary[data-astro-cid-vnzlvqnm]{background:var(--color-secondary);color:var(--on-emphasis);border-color:var(--color-secondary)}.button--secondary[data-astro-cid-vnzlvqnm]:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.button--outline[data-astro-cid-vnzlvqnm]{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}.button--outline[data-astro-cid-vnzlvqnm]:hover{background:var(--color-primary);color:var(--color-on-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.button-icon[data-astro-cid-vnzlvqnm]{display:flex;align-items:center}.share-buttons[data-astro-cid-zllr3mxm]{margin-top:4rem;padding:2rem;background:var(--color-bg-secondary);border:var(--rule) solid var(--color-border);border-radius:var(--radius-lg);text-align:var(--align-share, center)}.share-buttons[data-astro-cid-zllr3mxm] h3[data-astro-cid-zllr3mxm]{font-family:var(--font-display);font-size:1.25rem;margin-bottom:1.5rem;color:var(--color-text)}.share-links[data-astro-cid-zllr3mxm]{display:flex;gap:1rem;justify-content:var(--justify-share, center);flex-wrap:wrap}.share-link[data-astro-cid-zllr3mxm]{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius-round, 50%);transition:all .3s ease;color:var(--color-text);background:var(--color-bg);border:var(--rule) solid var(--color-border);box-shadow:var(--shadow-md)}.share-link[data-astro-cid-zllr3mxm]:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.share-link[data-astro-cid-zllr3mxm] svg[data-astro-cid-zllr3mxm]{width:24px;height:24px}.share-link[data-astro-cid-zllr3mxm]:hover{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-on-primary)}