:root{color-scheme:light;--bg-rgb: 251, 250, 247;--bg: #fbfaf7;--bg-elev: #ffffff;--bg-sunken: #f3f1ec;--fg: #1d1c1a;--fg-strong: #100f0e;--muted: #5f5c56;--faint: #8d8981;--border: #e7e3da;--border-strong: #d5d0c4;--accent: #0f766e;--accent-strong: #0b5f59;--accent-soft: rgba(15, 118, 110, .09);--accent-contrast: #ffffff;--code-bg: #f1efe9;--code-block-bg: #f7f6f2;--shadow-sm: 0 1px 2px rgba(28, 25, 20, .06);--shadow-md: 0 10px 30px -16px rgba(28, 25, 20, .35);--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;--mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, "Cascadia Mono", "Liberation Mono", monospace;--wrap: 62rem;--wrap-prose: 44rem;--header-h: 3.9rem;--radius: 12px;--radius-sm: 9px}[data-theme=dark]{color-scheme:dark;--bg-rgb: 17, 20, 19;--bg: #111413;--bg-elev: #171b19;--bg-sunken: #1b201e;--fg: #e3e6e3;--fg-strong: #f4f6f4;--muted: #9ba39d;--faint: #79817b;--border: #252b28;--border-strong: #333a36;--accent: #5ed3c6;--accent-strong: #83e2d7;--accent-soft: rgba(94, 211, 198, .12);--accent-contrast: #06211d;--code-bg: #1c211f;--code-block-bg: #161a18;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 12px 32px -18px rgba(0, 0, 0, .8)}@media (prefers-color-scheme: dark){html:not([data-theme]){color-scheme:dark;--bg-rgb: 17, 20, 19;--bg: #111413;--bg-elev: #171b19;--bg-sunken: #1b201e;--fg: #e3e6e3;--fg-strong: #f4f6f4;--muted: #9ba39d;--faint: #79817b;--border: #252b28;--border-strong: #333a36;--accent: #5ed3c6;--accent-strong: #83e2d7;--accent-soft: rgba(94, 211, 198, .12);--accent-contrast: #06211d;--code-bg: #1c211f;--code-block-bg: #161a18;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 12px 32px -18px rgba(0, 0, 0, .8)}}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:var(--accent-strong)}:where(h1,h2,h3,h4){scroll-margin-top:calc(var(--header-h) + 1rem)}::selection{background:var(--accent);color:var(--accent-contrast)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}img{max-width:100%;height:auto}[hidden]{display:none!important}hr{border:0}.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,1.75rem)}main{display:block;padding-block:clamp(2rem,5vw,3.1rem) clamp(3rem,6vw,4.5rem)}.site-header{position:sticky;top:0;z-index:40;background:rgba(var(--bg-rgb),.82);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;gap:.75rem;min-height:var(--header-h)}.brand{display:inline-flex;align-items:center;gap:.5rem;color:var(--fg-strong);font-size:1.02rem;font-weight:600;letter-spacing:-.01em;text-decoration:none}.brand-mark{flex:none;width:1.35rem;height:1.35rem;color:var(--accent)}.site-nav{display:flex;align-items:center;gap:.15rem;margin-left:auto}.site-nav a{padding:.35rem .6rem;border-radius:8px;color:var(--muted);font-size:.9rem;text-decoration:none;transition:color .15s ease,background-color .15s ease}.site-nav a:hover{color:var(--fg);background:var(--bg-sunken)}.site-nav a.is-active{color:var(--accent);font-weight:500}.theme-toggle{flex:none;display:grid;place-items:center;width:2.15rem;height:2.15rem;padding:0;border:1px solid var(--border);border-radius:9px;background:var(--bg-elev);color:var(--muted);cursor:pointer;transition:color .15s ease,border-color .15s ease}.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}.theme-toggle svg{width:1.05rem;height:1.05rem}.theme-toggle .i-sun{display:none}[data-theme=dark] .theme-toggle .i-sun{display:block}[data-theme=dark] .theme-toggle .i-moon{display:none}@media (prefers-color-scheme: dark){html:not([data-theme]) .theme-toggle .i-sun{display:block}html:not([data-theme]) .theme-toggle .i-moon{display:none}}.site-footer{border-top:1px solid var(--border);color:var(--faint);font-size:.86rem}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 1.5rem;padding-block:1.6rem}.footer-inner p{margin:0}.footer-nav{display:flex;flex-wrap:wrap;gap:1rem}.footer-nav a{color:var(--faint);text-decoration:none}.footer-nav a:hover{color:var(--accent)}.home-head{margin-bottom:1.7rem}.home-head h1{margin:0 0 .45rem;font-size:clamp(1.7rem,1.2rem + 2vw,2.2rem);line-height:1.25;letter-spacing:-.025em}.lede{margin:0 0 .4rem;color:var(--muted);font-size:1.02rem}.page-intro{margin:0;color:var(--muted);font-size:.92rem}.back{display:inline-block;margin-bottom:1.4rem;color:var(--muted);font-size:.88rem;text-decoration:none}.back:hover{color:var(--accent)}.filter{display:flex;flex-wrap:wrap;gap:.45rem;margin:0 0 1.2rem}.chip{padding:.28rem .75rem;border:1px solid var(--border);border-radius:999px;background:var(--bg-elev);color:var(--muted);font:inherit;font-size:.83rem;line-height:1.5;text-decoration:none;cursor:pointer;transition:color .15s ease,border-color .15s ease,background-color .15s ease}.chip:hover{color:var(--accent);border-color:var(--accent)}.chip.is-current{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.post-list{margin:0;padding:0;list-style:none}.post-card{position:relative;padding:1.4rem 0;border-bottom:1px solid var(--border)}.post-card:first-child{padding-top:1.7rem}.post-card:last-child{border-bottom:0;padding-bottom:.5rem}.post-date{display:block;margin-bottom:.4rem;color:var(--faint);font-family:var(--mono);font-size:.78rem;letter-spacing:.01em;font-variant-numeric:tabular-nums}.post-card-title{margin:0;font-size:1.08rem;font-weight:600;line-height:1.5;letter-spacing:-.01em}.post-card-title a{color:var(--fg-strong);text-decoration:none;transition:color .15s ease}.post-card:hover .post-card-title a{color:var(--accent)}.post-card-desc{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:.4rem 0 0;color:var(--muted);font-size:.95rem;line-height:1.7}.post-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.32rem .45rem;margin-top:.6rem}@media (min-width: 760px){.post-card{display:grid;grid-template-columns:6.2rem minmax(0,1fr);grid-template-areas:"date title" "date desc" "date meta";column-gap:1.5rem;align-content:start}.post-date{grid-area:date;margin:0;padding-top:.38rem}.post-card-title{grid-area:title}.post-card-desc{grid-area:desc}.post-card-meta{grid-area:meta}}.cat{display:inline-block;padding:.08rem .6rem;border:1px solid transparent;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:.75rem;font-weight:500;line-height:1.6;text-decoration:none}.cat:hover{border-color:currentColor}.tag{display:inline-block;padding:.08rem .55rem;border:1px solid transparent;border-radius:999px;background:var(--bg-sunken);color:var(--muted);font-size:.75rem;line-height:1.6;text-decoration:none;transition:color .15s ease,background-color .15s ease}.tag:hover{background:var(--accent-soft);color:var(--accent-strong)}.tag-cloud{display:flex;flex-wrap:wrap;gap:.55rem;margin:0;padding:0;list-style:none}.tag-pill{display:inline-flex;align-items:baseline;gap:.4rem;padding:.4rem .85rem;border:1px solid var(--border);border-radius:999px;background:var(--bg-elev);color:var(--fg);font-size:.92rem;text-decoration:none;transition:border-color .15s ease,color .15s ease}.tag-pill:hover{border-color:var(--accent);color:var(--accent-strong)}.tag-pill .tag-count{color:var(--faint);font-family:var(--mono);font-size:.75rem}.post-head{margin-bottom:1.9rem;padding-bottom:1.3rem;border-bottom:1px solid var(--border)}.post-head h1{margin:0 0 .85rem;font-size:clamp(1.55rem,1.2rem + 1.5vw,2.05rem);line-height:1.34;letter-spacing:-.022em}.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.3rem .5rem;color:var(--muted);font-size:.85rem}.post-meta .sep{color:var(--border-strong)}.prose{max-width:var(--wrap-prose);font-size:1.0625rem;line-height:1.85;overflow-wrap:break-word}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose p{margin:1.15em 0}.prose h2{margin:2.5em 0 .85em;padding-bottom:.32em;border-bottom:1px solid var(--border);font-size:1.3rem;font-weight:700;line-height:1.45;letter-spacing:-.01em}.prose h3{margin:1.9em 0 .7em;font-size:1.11rem;font-weight:600;line-height:1.5}.prose h4{margin:1.6em 0 .6em;color:var(--muted);font-size:1rem;font-weight:600}.prose a{color:var(--accent-strong);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:#0f766e66}.prose a:hover{text-decoration-color:currentColor}.prose strong{color:var(--fg-strong);font-weight:600}.prose ul,.prose ol{margin:1.15em 0;padding-left:1.45em}.prose li{margin:.4em 0}.prose li::marker{color:var(--faint)}.prose blockquote{margin:1.7em 0;padding:.9em 1.2em;border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--accent-soft)}.prose blockquote>:first-child{margin-top:0}.prose blockquote>:last-child{margin-bottom:0}.prose img{display:block;margin:1.8em auto;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-sunken);box-shadow:var(--shadow-sm)}.prose figure{margin:1.8em 0}.prose figcaption{margin-top:.6em;color:var(--faint);font-size:.85rem;text-align:center}.prose hr{width:38%;height:1px;margin:3em auto;background:var(--border)}.prose table{width:100%;margin:1.6em 0;border-collapse:collapse;font-size:.95rem}.prose th,.prose td{padding:.55em .8em;border:1px solid var(--border);text-align:left;vertical-align:top}.prose thead th{background:var(--bg-sunken);font-weight:600}.prose code{padding:.12em .38em;border:1px solid var(--border);border-radius:5px;background:var(--code-bg);font-family:var(--mono);font-size:.875em}.prose kbd{padding:.1em .4em;border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:5px;background:var(--bg-elev);font-family:var(--mono);font-size:.85em}.prose details{margin:1.5em 0;padding:.8em 1.1em;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elev)}.prose summary{cursor:pointer;font-weight:500}.code-block{margin:1.6em 0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--code-block-bg)}.code-bar{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.35rem .55rem .35rem .9rem;border-bottom:1px solid var(--border);background:var(--bg-sunken)}.code-lang{color:var(--faint);font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:lowercase}.code-copy{padding:.12rem .5rem;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--muted);font:inherit;font-size:.74rem;line-height:1.6;cursor:pointer;transition:color .15s ease,border-color .15s ease}.code-copy:hover{color:var(--accent);border-color:var(--accent)}.code-block pre{margin:0;padding:.95rem 1.1rem;border:0;border-radius:0;overflow-x:auto;font-size:.86rem;line-height:1.7}.prose pre code{padding:0;border:0;border-radius:0;background:none;color:inherit;font-size:inherit}[data-theme=dark] .astro-code,[data-theme=dark] .astro-code span{color:var(--shiki-dark)!important}[data-theme=dark] .astro-code{background-color:var(--shiki-dark-bg, var(--code-block-bg))!important}@media (prefers-color-scheme: dark){html:not([data-theme]) .astro-code,html:not([data-theme]) .astro-code span{color:var(--shiki-dark)!important}html:not([data-theme]) .astro-code{background-color:var(--shiki-dark-bg, var(--code-block-bg))!important}}.post-page{display:grid;grid-template-columns:minmax(0,1fr)}.toc ol{margin:0;padding:0;list-style:none}.toc a{display:block;padding:.26rem 0 .26rem .7rem;border-left:2px solid transparent;color:var(--muted);font-size:.84rem;line-height:1.55;text-decoration:none;transition:color .15s ease,border-color .15s ease}.toc a:hover{color:var(--fg)}.toc a.is-active{border-left-color:var(--accent);color:var(--accent-strong)}.toc .lvl-3 a{padding-left:1.6rem;font-size:.8rem}.toc-title{margin:0 0 .5rem;color:var(--faint);font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase}.toc-side{display:none}.toc-inline{max-width:var(--wrap-prose);margin:0 0 1.8rem;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elev)}.toc-inline summary{color:var(--fg);font-size:.9rem;font-weight:600;cursor:pointer}.toc-inline[open] summary{margin-bottom:.5rem}.post-nav{display:grid;gap:.7rem;max-width:var(--wrap-prose);margin-top:3rem;padding-top:1.6rem;border-top:1px solid var(--border)}.post-nav.has-two{grid-template-columns:repeat(2,minmax(0,1fr))}.post-nav a{display:block;padding:.8rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elev);color:var(--fg);text-decoration:none;transition:border-color .15s ease}.post-nav a:hover{border-color:var(--accent)}.post-nav .lbl{display:block;margin-bottom:.2rem;color:var(--faint);font-size:.72rem;letter-spacing:.06em}.post-nav .ttl{font-size:.92rem;font-weight:500;line-height:1.5}.post-nav .next{text-align:right}.back-top{position:fixed;right:clamp(.9rem,3vw,2rem);bottom:clamp(.9rem,3vw,2rem);z-index:30;display:grid;place-items:center;width:2.6rem;height:2.6rem;padding:0;border:1px solid var(--border);border-radius:50%;background:var(--bg-elev);color:var(--muted);box-shadow:var(--shadow-md);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease,visibility .2s,color .15s ease}.back-top.is-visible{opacity:1;visibility:visible;transform:none}.back-top:hover{color:var(--accent);border-color:var(--accent)}.back-top svg{width:1.05rem;height:1.05rem}.read-progress{position:fixed;top:0;left:0;z-index:60;width:0;height:2px;background:var(--accent)}@media (min-width: 1180px){.post-page{grid-template-columns:minmax(0,1fr) 14rem;column-gap:3rem;align-items:start}.toc-side{display:block;position:sticky;top:calc(var(--header-h) + 1.25rem);max-height:calc(100vh - var(--header-h) - 3rem);overflow-y:auto}.toc-side .toc-title{margin-bottom:.6rem}.toc-inline{display:none}}@media (max-width: 560px){body{font-size:16.5px}.site-nav a{padding-inline:.45rem}.post-card{padding-block:1.25rem}.footer-inner{flex-direction:column;align-items:flex-start}}@media print{.site-header,.site-footer,.filter,.toc,.post-nav,.back-top,.read-progress,.code-copy,.back{display:none!important}body{background:#fff;color:#000;font-size:11.5pt}.wrap{max-width:none;padding-inline:0}.prose{max-width:none}.prose a{color:#000}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}