:root{--paper:#0c0505;--card:#140a0a;--ink:#f6ebe8;--red:#ff2231;--yellow:#ffd100;--green:#00a651;--blue:#0057b7;--accent:var(--red);--accent-soft:#f2a5b8;--selection:#ff223140;--black:246, 235, 232;--gray:186, 178, 172;--gray-light:46, 36, 36;--gray-dark:246, 235, 232;--gray-gradient:rgba(var(--gray-light), 50%), #0c0505;--gray-1:#e6e2d8;--gray-2:#b9b1ac;--gray-3:#8b8580;--line:#f6ebe81a;--box-shadow:0 1px 3px #00000059;--font-serif:"Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;--font-sans:"PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-num:"SF Mono", "Roboto Mono", "Consolas", "Courier New", monospace;--ease-out-expo:cubic-bezier(.16, 1, .3, 1);--ease-out-quart:cubic-bezier(.25, 1, .5, 1);--dur-fast:.3s;--dur-base:.6s}:root[data-theme=light]{--paper:#f2ede3;--card:#faf7f1;--ink:#2b2b2b;--accent:#c8102e;--accent-soft:#c48e9a;--selection:#c8102e1f;--black:43, 43, 43;--gray:105, 99, 90;--gray-light:210, 200, 184;--gray-dark:43, 43, 43}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;background-attachment:fixed;flex-direction:column;min-height:100svh;margin:0;padding-left:80px;line-height:1.8;display:flex}body:before{content:"";z-index:9999;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:fixed;inset:0}main{flex:1;max-width:720px;margin:0 auto;padding:2.5em 1.25em 4em}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);color:var(--ink);margin:1.8em 0 .6em;font-weight:400;line-height:1.4}h1{font-size:2em}h2{border-bottom:1px solid var(--line);box-shadow:0 1px 0 0 var(--line);padding-bottom:.35em;scroll-margin-top:1.2em;font-size:1.4em;display:inline-block}h3{font-size:1.15em}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}p{margin:0 0 1.2em}.prose{font-family:var(--font-serif);color:var(--ink);font-size:1.05em;line-height:2.1}.prose img{border-radius:2px;max-width:100%;margin:1.6em auto;display:block}.prose blockquote{border-left:4px solid var(--accent);color:rgb(var(--gray));margin:1.5em 0;padding:.2em 0 .2em 1.2em}.prose ul,.prose ol{padding-left:1.4em}.prose li{margin-bottom:.4em}.prose hr{border:none;border-top:1px solid rgb(var(--gray-light));margin:2.5em 0}.prose code{background:rgb(var(--gray-light));border-radius:2px;padding:.1em .4em;font-family:Consolas,Courier New,monospace;font-size:.9em}.prose pre{color:#f2ece6;background:#0d0d0d;border-radius:2px;padding:1.2em;overflow-x:auto}.prose pre code{color:inherit;background:0 0;padding:0}::selection{background:var(--selection)}#progress-bar{background:var(--accent);z-index:100;width:0;height:3px;position:fixed;top:0;left:80px}@media (width<=480px){body{font-size:15px}main{padding:1.5em 1em 3em}h1{font-size:1.8em}}@media (width<=820px){:root{--rail-h:60px}body{padding-left:0;padding-top:var(--rail-h)}#progress-bar{left:0;top:var(--rail-h)}h2{scroll-margin-top:calc(var(--rail-h) + .8em)}}::view-transition-old(root){animation:.38s both vt-fade-down}::view-transition-new(root){animation:.45s .38s both vt-fade-up}::view-transition-old(rail),::view-transition-new(rail){animation:none}@keyframes vt-fade-down{to{opacity:0;transform:translateY(26px)}}@keyframes vt-fade-up{0%{opacity:0;transform:translateY(-26px)}}.astro-route-announcer{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;top:0;left:0;overflow:hidden}footer[data-astro-cid-jo6i4kqk]{text-align:center;border-top:1px solid rgb(var(--gray-light));max-width:720px;margin:0 auto;padding:3em 1.25em 4em}.tagline[data-astro-cid-jo6i4kqk]{color:var(--accent);margin-bottom:.6em;font-size:.95em}.meta[data-astro-cid-jo6i4kqk]{color:rgb(var(--gray));font-size:.82em}.rail[data-astro-cid-euxwtxot]{z-index:90;view-transition-name:rail;background:#0c0505;border-right:1px solid #f6ebe81a;flex-direction:column;align-items:center;gap:1.4em;width:80px;padding:1.5em 0;display:flex;position:fixed;top:0;bottom:0;left:0}.rail-brand[data-astro-cid-euxwtxot]{font-family:var(--font-serif);color:#e6e2d8;text-align:center;letter-spacing:.1em;writing-mode:vertical-rl;font-size:13px;line-height:1.55}.rail-masthead[data-astro-cid-euxwtxot]{writing-mode:vertical-rl;letter-spacing:.16em;color:#8b8580;font-size:10px;line-height:1.6}.rail-issue[data-astro-cid-euxwtxot]{font-family:var(--font-num);letter-spacing:.12em;color:#8b8580;writing-mode:vertical-rl;margin-top:auto;font-size:10px}.rail-signals[data-astro-cid-euxwtxot]{flex-direction:column;gap:6px;display:flex}.rail-signals[data-astro-cid-euxwtxot] span[data-astro-cid-euxwtxot]{border-radius:50%;width:8px;height:8px}.rail-signals[data-astro-cid-euxwtxot] .r[data-astro-cid-euxwtxot]{background:#ff2231}.rail-signals[data-astro-cid-euxwtxot] .y[data-astro-cid-euxwtxot]{background:#ffd100}.rail-signals[data-astro-cid-euxwtxot] .g[data-astro-cid-euxwtxot]{background:#00a651}.rail-nav[data-astro-cid-euxwtxot]{flex-direction:column;align-items:center;gap:.6em;margin-top:.5em;display:flex}.nav-group[data-astro-cid-euxwtxot]{flex-direction:column;align-items:center;gap:.2em;display:flex}.nav-sub[data-astro-cid-euxwtxot]{flex-direction:column;align-items:center;gap:.1em;margin-top:.1em;display:flex}.rail-nav[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot]{color:#e6e2d8;letter-spacing:.18em;border-left:3px solid #0000;padding:.3em .9em;font-size:.9em;text-decoration:none;transition:color .2s,border-color .2s;display:block}.nav-sub[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot]{letter-spacing:.12em;color:#8b8580;padding:.12em .5em .12em 1em;font-size:.72em}.nav-sub[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot]:hover{color:#ff2231}.rail-nav[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot]:hover{color:#ff2231;text-decoration:none}.rail-nav[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot].active{color:#f6ebe8;border-left-color:#ff2231}.rail-burger[data-astro-cid-euxwtxot]{display:none}@media (width<=820px){.rail[data-astro-cid-euxwtxot]{width:100%;height:var(--rail-h,60px);border-bottom:1px solid #f6ebe81a;border-right:none;flex-direction:row;justify-content:flex-start;align-items:center;gap:1em;padding:0 0 0 1em;inset:0 0 auto}.rail-brand[data-astro-cid-euxwtxot]{writing-mode:initial;letter-spacing:.2em;font-size:15px}.rail-signals[data-astro-cid-euxwtxot],.rail-masthead[data-astro-cid-euxwtxot],.rail-issue[data-astro-cid-euxwtxot]{display:none}.rail-burger[data-astro-cid-euxwtxot]{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;gap:4px;width:44px;height:44px;margin-left:auto;margin-right:15px;padding:0 11px;display:flex}.rail-burger[data-astro-cid-euxwtxot] span[data-astro-cid-euxwtxot]{background:#e6e2d8;border-radius:1px;width:100%;height:2px;transition:transform .25s,opacity .25s;display:block}.rail-burger[data-astro-cid-euxwtxot][aria-expanded=true] span[data-astro-cid-euxwtxot]:first-child{transform:translateY(6px)rotate(45deg)}.rail-burger[data-astro-cid-euxwtxot][aria-expanded=true] span[data-astro-cid-euxwtxot]:nth-child(2){opacity:0}.rail-burger[data-astro-cid-euxwtxot][aria-expanded=true] span[data-astro-cid-euxwtxot]:nth-child(3){transform:translateY(-6px)rotate(-45deg)}.rail-nav[data-astro-cid-euxwtxot]{opacity:0;visibility:hidden;background:#0c0505;border-bottom:1px solid #f6ebe81a;flex-direction:column;align-items:stretch;gap:0;margin-top:0;padding:.4em 0;transition:opacity .22s,transform .22s,visibility .22s;position:absolute;top:100%;left:0;right:0;transform:translateY(-8px)}.rail[data-astro-cid-euxwtxot][data-open=true] .rail-nav[data-astro-cid-euxwtxot]{opacity:1;visibility:visible;transform:translateY(0)}.rail-nav[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot]{letter-spacing:.14em;border-bottom:none;border-left:none;padding:.85em 1.2em;font-size:1em}.nav-group[data-astro-cid-euxwtxot]{align-items:stretch;gap:0}.nav-sub[data-astro-cid-euxwtxot]{align-items:stretch;gap:0;margin-top:0}.nav-sub[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot]{letter-spacing:.12em;color:#8b8580;padding:.5em 1.2em .5em 2em;font-size:.88em}.rail-nav[data-astro-cid-euxwtxot] a[data-astro-cid-euxwtxot].active{color:#ff2231;border-bottom-color:#0000;border-left-color:#0000}}