@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+460-52F,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+301,U+400-45F,U+490-491,U+4B0-4B1,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+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: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+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: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+??,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: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+460-52F,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+301,U+400-45F,U+490-491,U+4B0-4B1,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+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: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+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: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+??,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: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+460-52F,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+301,U+400-45F,U+490-491,U+4B0-4B1,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+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: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+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: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+??,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}*,:before,:after{box-sizing:border-box}html,body{height:100%}html{background:var(--bg)}body{background:var(--bg);color:var(--fg);font-family:var(--font);font-variant-ligatures:none;-webkit-font-smoothing:antialiased;margin:0;font-size:13.5px;font-weight:400;line-height:1.55}::selection{color:var(--fg-bright);background:#1e3a28}.skip{z-index:20;border:1px solid var(--fg-dim);background:var(--bg);color:var(--fg-bright);padding:.3rem .5rem;position:absolute;top:.6rem;left:.6rem;transform:translateY(-200%)}.skip:focus{transform:none}.term{max-width:860px;margin:0 auto;padding:1.25rem 1rem 3.5rem}.chrome{border:1px solid var(--chrome-border);border-radius:var(--chrome-radius);box-shadow:var(--shadow);background:var(--bg);overflow:hidden}.titlebar{border-bottom:1px solid var(--chrome-border);background:var(--titlebar-bg);color:var(--fg-dim);align-items:center;gap:.5rem;padding:.45rem .7rem;font-size:.72rem;display:flex}.traffic{flex:none;gap:.35rem;display:flex}.traffic i{border:1px solid var(--fg-dim);border-radius:50%;width:9px;height:9px;display:block}.traffic .r{background:var(--dot-r-bg);border-color:var(--dot-r-bd)}.traffic .y{background:var(--dot-y-bg);border-color:var(--dot-y-bd)}.traffic .g{background:var(--dot-g-bg);border-color:var(--dot-g-bd)}.titlebar .name{text-align:center;letter-spacing:.04em;flex:1;min-width:0}.name-short{display:none}.screen{min-height:70vh;padding:1rem 1.05rem 1.25rem}.line{white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 .35rem}.prompt{color:var(--cyan)}.prompt .host{color:var(--amber)}.prompt .path{color:var(--fg)}.cmd{color:var(--fg-bright)}.cmd a{color:var(--fg-bright);text-decoration:none}.cmd a:hover{color:var(--cyan);text-underline-offset:2px;text-decoration:underline}.out{color:var(--fg)}.dim{color:var(--fg-dim)}.ok{color:var(--fg)}.warn{color:var(--amber)}.err{color:var(--red)}.hl{color:var(--amber)}a.hl{color:var(--amber);text-decoration:none}a.hl:hover{color:var(--fg-bright)}a{color:var(--cyan)}a:hover{color:var(--fg-bright)}.link{color:var(--cyan);text-underline-offset:2px;text-decoration:underline}.blk{border:1px dashed var(--fg-dim);margin:.85rem 0;padding:.65rem .75rem}.blk .hdr{color:var(--amber);margin-bottom:.35rem}.dek{white-space:pre-wrap}.meta-first{margin-top:.45rem}.sep{color:var(--fg-dim);white-space:nowrap;margin:.75rem 0;line-height:1;overflow:hidden}.sep:before{content:"────────────────────────────────────────────────────────────────"}table.ls{border-collapse:collapse;width:100%;margin:.5rem 0 .85rem;font-size:.92em}table.ls th{text-align:left;color:var(--fg-dim);border-bottom:1px solid var(--fg-dim);padding:.25rem .4rem .4rem 0;font-weight:500}table.ls td{vertical-align:top;border-bottom:1px solid var(--row-line);padding:.45rem .4rem .45rem 0}table.ls tr:last-child td{border-bottom:none}table.ls .id{color:var(--fg-dim);white-space:nowrap;width:2.2rem}table.ls .tag{color:var(--amber);white-space:nowrap}table.ls .title{overflow-wrap:anywhere;width:99%}table.ls .src{color:var(--fg-dim);white-space:nowrap;font-size:.9em}table.ls tbody tr:hover td{background:#b6f5c40a}.cursor{background:var(--cursor);vertical-align:text-bottom;width:.55ch;height:1.1em;margin-left:1px;display:inline-block}@keyframes blink{50%{opacity:0}}.prompt-idle{margin-top:1.1rem}.footer{margin-top:1.25rem}.footer a{color:var(--fg-dim)}.footer a:hover{color:var(--fg-bright)}form.inline{flex-wrap:wrap;align-items:center;gap:.4rem;margin:.5rem 0 0;display:flex}form.inline input{border:none;border-bottom:1px solid var(--fg-dim);min-width:0;color:var(--fg-bright);font:inherit;background:0 0;border-radius:0;outline:none;flex:14rem;padding:.25rem 0}form.inline input::placeholder{color:var(--fg-dim);opacity:1}form.inline input:focus{border-bottom-color:var(--cyan)}form.inline input:invalid:not(:placeholder-shown){border-bottom-color:var(--red)}form.inline input:-webkit-autofill{-webkit-text-fill-color:var(--fg-bright);caret-color:var(--fg-bright);box-shadow:0 0 0 1000px var(--bg) inset}form.inline button{border:1px solid var(--fg-dim);color:var(--fg);font:inherit;cursor:pointer;background:0 0;padding:.25rem .55rem}form.inline button:hover{border-color:var(--fg);color:var(--fg-bright)}[data-subscribe-status]:empty{display:none}ul.archive{margin:.35rem 0 .85rem;padding:0;list-style:none}ul.archive li{white-space:normal;margin:.3rem 0}.prose{overflow-wrap:anywhere;margin:.35rem 0 .6rem}.prose>:first-child{margin-top:0}.prose h1,.prose h2,.prose h3{color:var(--amber);margin:1.2rem 0 .4rem;scroll-margin-top:1rem;font-size:1em;font-weight:600;line-height:1.45}.prose h1:before{content:"# ";color:var(--fg-dim);font-weight:500}.prose h2:before{content:"## ";color:var(--fg-dim);font-weight:500}.prose h3:before{content:"### ";color:var(--fg-dim);font-weight:500}.prose :target{outline:1px dashed var(--fg-dim);outline-offset:4px}.prose p{margin:.4rem 0 .65rem}.prose ul,.prose ol{margin:.2rem 0 .8rem;padding-left:0;list-style:none}.prose li{margin:.22rem 0;padding-left:1.15rem;position:relative}.prose ul>li:before{content:"-";color:var(--fg-dim);position:absolute;left:0}.prose ol{counter-reset:item}.prose ol>li{counter-increment:item}.prose ol>li:before{content:counter(item, decimal-leading-zero);color:var(--fg-dim);font-size:.86em;position:absolute;left:0}.prose a{text-underline-offset:2px;text-decoration:underline}.prose strong{color:var(--fg-bright);font-weight:600}.prose code{color:var(--fg-bright);font-family:inherit}.prose pre{border:1px dashed var(--fg-dim);margin:.6rem 0 .85rem;padding:.6rem .75rem;overflow-x:auto}.prose pre code{color:var(--fg)}.prose blockquote{border-left:1px solid var(--fg-dim);margin:.6rem 0 .85rem;padding-left:.75rem}.prose hr{border:none;border-top:1px solid var(--fg-dim);margin:.85rem 0}a:focus-visible,button:focus-visible,input:focus-visible,.skip:focus-visible{outline:1px solid var(--cyan);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=640px){body{font-size:15px}.term{padding:.65rem .5rem 2.25rem}.titlebar{padding:.4rem .55rem;font-size:.68rem}.name-full{display:none}.name-short{display:inline}.screen{padding:.75rem .7rem 1rem}table.ls thead{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}table.ls,table.ls tbody,table.ls tr,table.ls td{width:auto;display:block}table.ls tr{border-bottom:1px solid var(--row-line);padding:.5rem 0 .6rem}table.ls tr:last-child{border-bottom:none}table.ls td{border:none;padding:.08rem 0}table.ls td.id,table.ls td.tag{width:auto;padding-right:.8rem;display:inline-block}table.ls td.title{padding-top:.15rem}table.ls td.title a{white-space:normal}table.ls td.src:before{content:"src "}form.inline input{font-size:16px}form.inline button{min-height:2.25rem;padding:.35rem .7rem}}@media print{body:before{display:none!important}.cursor,.skip{display:none}.chrome{box-shadow:none}}:root,[data-theme=terminal]{color-scheme:dark;--bg:#0a0c0a;--fg:#b6f5c4;--fg-dim:#5f9a6c;--fg-bright:#e8ffe8;--amber:#e6c07b;--cyan:#7fd4c8;--red:#ff7b72;--cursor:#b6f5c4;--scan:#b6f5c408;--chrome-border:#5f9a6c;--titlebar-bg:#0d100d;--row-line:#152018;--shadow:0 0 0 1px #000, 0 12px 40px #0000008c;--chrome-radius:4px;--font:"IBM Plex Mono", "Noto Sans Mono CJK TC", "Noto Sans CJK TC", "PingFang TC", "Heiti TC", ui-monospace, monospace;--dot-r-bg:#3a1515;--dot-r-bd:#6a3030;--dot-y-bg:#3a3215;--dot-y-bd:#6a5a30;--dot-g-bg:#153a22;--dot-g-bd:#306a45}[data-theme=terminal] body:before{content:"";pointer-events:none;background:repeating-linear-gradient(to bottom, transparent 0, transparent 2px, var(--scan) 2px, var(--scan) 3px);z-index:9;position:fixed;inset:0}[data-theme=terminal] .cursor{animation:1.05s step-end infinite blink}@media (prefers-reduced-motion:reduce){[data-theme=terminal] body:before{display:none}[data-theme=terminal] .cursor{animation:none}}