.header[data-v-0eb2d0ae]{position:sticky;top:0;z-index:20;background:#f4f5f4f0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.bar[data-v-0eb2d0ae]{display:flex;align-items:center;justify-content:space-between;height:68px;gap:2rem}.brand[data-v-0eb2d0ae]{display:flex;align-items:center}.brand img[data-v-0eb2d0ae]{height:64px;width:auto}.nav[data-v-0eb2d0ae]{display:flex;align-items:center;gap:1.75rem}.nav a[data-v-0eb2d0ae]{color:var(--ink-soft);text-decoration:none;font-weight:500;padding-block:.25rem;border-bottom:2px solid transparent}.nav a[data-v-0eb2d0ae]:hover,.nav a.router-link-exact-active[data-v-0eb2d0ae]{color:var(--ink);border-color:var(--highlight)}.nav .lang[data-v-0eb2d0ae]{font-size:var(--fs-0);padding:.3rem .65rem;border:1px solid var(--line-strong);border-radius:var(--radius);margin-left:.5rem}.nav .lang[data-v-0eb2d0ae]:hover{border-color:var(--ink)}.menu-btn[data-v-0eb2d0ae]{display:none;background:none;border:0;padding:.5rem;cursor:pointer}.burger[data-v-0eb2d0ae],.burger[data-v-0eb2d0ae]:before,.burger[data-v-0eb2d0ae]:after{display:block;width:22px;height:2px;background:var(--ink);position:relative;transition:transform .2s}.burger[data-v-0eb2d0ae]:before,.burger[data-v-0eb2d0ae]:after{content:"";position:absolute;left:0}.burger[data-v-0eb2d0ae]:before{top:-7px}.burger[data-v-0eb2d0ae]:after{top:7px}.burger.open[data-v-0eb2d0ae]{background:transparent}.burger.open[data-v-0eb2d0ae]:before{transform:translateY(7px) rotate(45deg)}.burger.open[data-v-0eb2d0ae]:after{transform:translateY(-7px) rotate(-45deg)}.nav a[data-v-0eb2d0ae]:hover,.nav a.active[data-v-0eb2d0ae]{color:var(--ink);border-color:var(--highlight)}@media (max-width: 820px){.menu-btn[data-v-0eb2d0ae]{display:block}.nav[data-v-0eb2d0ae]{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;gap:0;background:var(--bg-elevated);border-bottom:1px solid var(--line)}.nav.open[data-v-0eb2d0ae]{display:flex}.nav a[data-v-0eb2d0ae]{padding:1rem var(--gutter);border-bottom:1px solid var(--line)}.nav .lang[data-v-0eb2d0ae]{margin:0;border:0;border-bottom:1px solid var(--line);border-radius:0;font-size:inherit}.brand img[data-v-0eb2d0ae]{height:48px}}.footer[data-v-53ff7729]{background:var(--surface-dark);color:var(--on-dark-soft);padding-block:3rem;font-size:var(--fs-0)}.footer strong[data-v-53ff7729]{color:var(--on-dark)}.footer a[data-v-53ff7729]{color:var(--on-dark-soft);text-decoration:none}.footer a[data-v-53ff7729]:hover{color:var(--en-bolt)}.grid[data-v-53ff7729]{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem 3rem;align-items:start}nav[data-v-53ff7729]{display:flex;flex-direction:column;gap:.35rem}.small[data-v-53ff7729]{grid-column:1 / -1;max-width:none;margin-top:1rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.12);color:#f4f5f48c}@media (max-width: 600px){.grid[data-v-53ff7729]{grid-template-columns:1fr}}.skip{position:absolute;left:-999px;top:0;background:var(--en-bolt);color:var(--ink);padding:.5rem 1rem;z-index:100}.skip:focus{left:1rem;top:1rem}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-cyrillic-ext-400-normal-g30qAdWV.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-ext-400-normal-Dsrv2Tcn.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 Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-cyrillic-400-normal-DZqxrq2p.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-400-normal-BTotfTJu.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-greek-400-normal-_efipK4i.woff2) format("woff2"),url(/assets/ibm-plex-sans-greek-400-normal-D9ESIMu3.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-vietnamese-400-normal-DG4YqDda.woff2) format("woff2"),url(/assets/ibm-plex-sans-vietnamese-400-normal-fK1oJ5dG.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 Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-latin-ext-400-normal-C5H60-Va.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-ext-400-normal-RBey6euL.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 Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-latin-400-normal-CDDApCn2.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-400-normal-CYLoc0-x.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 Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-cyrillic-ext-500-normal-Cs5J6C77.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-ext-500-normal-DB5PtV2g.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 Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-cyrillic-500-normal-CocWQlwt.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-500-normal-ByOcLdNv.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-greek-500-normal-JMMifIXV.woff2) format("woff2"),url(/assets/ibm-plex-sans-greek-500-normal-CuWXN6rf.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-vietnamese-500-normal-e4dixQRQ.woff2) format("woff2"),url(/assets/ibm-plex-sans-vietnamese-500-normal-BEb3_waV.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 Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-latin-ext-500-normal-DakdToA3.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-ext-500-normal-D0aIdm-b.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 Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-latin-500-normal-6ng42L7E.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-500-normal-BgVn5rGT.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 Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-cyrillic-ext-600-normal-DUMzJB7m.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-ext-600-normal-Bz0x94Yp.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 Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-cyrillic-600-normal-71GNu3SW.woff2) format("woff2"),url(/assets/ibm-plex-sans-cyrillic-600-normal-BGq0mW3O.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-greek-600-normal-DzTrcv_p.woff2) format("woff2"),url(/assets/ibm-plex-sans-greek-600-normal-D-CqTdkO.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-vietnamese-600-normal-DpPYBSTl.woff2) format("woff2"),url(/assets/ibm-plex-sans-vietnamese-600-normal-DgdngZtN.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 Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-latin-ext-600-normal-DOrvGEcy.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-ext-600-normal-DIrixKbi.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 Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-latin-600-normal-CuJfVYMP.woff2) format("woff2"),url(/assets/ibm-plex-sans-latin-600-normal-Cu4Hd6ag.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}:root{--en-red: #891002;--en-red-sub: #8b3f36;--en-orange: #ffa700;--en-bolt: #fec300;--inari-blue: #163a52;--bg: #f4f5f4;--bg-elevated: #ffffff;--ink: #17191b;--ink-soft: #4a4f54;--ink-muted: #7b8187;--line: #d8dbdc;--line-strong: #b9bec1;--surface-dark: #1b2126;--on-dark: #f4f5f4;--on-dark-soft: rgba(244,245,244,.78);--accent: var(--en-red);--accent-hover: var(--en-red-sub);--highlight: var(--en-bolt);--focus: var(--en-orange);--font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--fs-0: .9375rem;--fs-1: 1.0625rem;--fs-2: 1.25rem;--fs-3: 1.625rem;--fs-4: 2.25rem;--fs-5: clamp(2.5rem, 5.5vw, 4rem);--lh-body: 1.6;--lh-tight: 1.15;--measure: 68ch;--container: 1140px;--gutter: clamp(1.25rem, 4vw, 2.5rem);--space-section: clamp(4rem, 9vw, 7.5rem);--radius: 2px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:var(--fs-1);line-height:var(--lh-body);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0 0 .5em;line-height:var(--lh-tight);font-weight:600;letter-spacing:-.01em}h1{font-size:var(--fs-5);font-weight:500;letter-spacing:-.02em}h2{font-size:var(--fs-4)}h3{font-size:var(--fs-2)}p{margin:0 0 1em;max-width:var(--measure)}p:last-child{margin-bottom:0}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:.15em}a:hover{color:var(--accent-hover)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}img{max-width:100%;height:auto;display:block}.container{width:min(100% - 2 * var(--gutter),var(--container));margin-inline:auto}.section{padding-block:var(--space-section)}.section+.section{border-top:1px solid var(--line)}.lede{font-size:var(--fs-2);color:var(--ink-soft)}.muted{color:var(--ink-muted)}.btn{display:inline-block;padding:.8em 1.4em;border-radius:var(--radius);font:inherit;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background-color .15s,border-color .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);color:#fff}.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line-strong)}.btn-secondary:hover{border-color:var(--ink);color:var(--ink)}.btn-on-dark{background:#fff;color:var(--ink)}.btn-on-dark:hover{background:var(--highlight);color:var(--ink)}.btn-bolt{background:var(--en-bolt);color:var(--ink)}.btn-bolt:hover{background:var(--en-orange);color:var(--ink)}.btn-ghost-light{background:transparent;color:#fff;border-color:#ffffff80}.btn-ghost-light:hover{border-color:#fff;color:#fff}.rule{width:3rem;height:3px;background:var(--accent);margin-bottom:1.25rem}.prose{max-width:var(--measure)}.prose h2{font-size:var(--fs-3);margin-top:2.5rem}.prose h3{margin-top:1.75rem}.prose ul{padding-left:1.2em}.prose dl{display:grid;grid-template-columns:max-content 1fr;gap:.35rem 1.5rem}.prose dt{color:var(--ink-muted)}.prose dd{margin:0;overflow-wrap:anywhere}.todo{background:#fff6d6;border-left:3px solid var(--en-orange);padding:.1em .4em}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (max-width: 640px){.prose dl{grid-template-columns:1fr;gap:0}.prose dt{margin-top:.9rem;font-size:var(--fs-0)}.prose dt:first-child{margin-top:0}}