:root{--color-bg:#fafaf7;--color-bg-soft:#f1efe8;--color-surface:#fff;--color-border:#e5e2d6;--color-border-strong:#cfc9b6;--color-text:#1f1d18;--color-text-soft:#4b4943;--color-text-muted:#7a7770;--color-accent:#2f6b4f;--color-accent-soft:#e3efe8;--color-link:#2f6b4f;--color-link-hover:#1f4a37;--color-quote-bg:#f3efe5;--color-code-bg:#f1efe8;--shadow-soft:0 1px 2px #1f1d180a, 0 4px 16px #1f1d180d;--font-serif:"Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", "Times New Roman", serif;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--content-width:44rem;--layout-width:72rem;--radius-sm:4px;--radius-md:8px;--radius-lg:14px}:root.dark{--color-bg:#14140f;--color-bg-soft:#1d1d17;--color-surface:#1a1a14;--color-border:#2a2a23;--color-border-strong:#3d3d33;--color-text:#ece8da;--color-text-soft:#c2bda9;--color-text-muted:#8a8775;--color-accent:#8fcfb1;--color-accent-soft:#1f2b25;--color-link:#aedcc4;--color-link-hover:#d4ecdd;--color-quote-bg:#1d1d17;--color-code-bg:#1d1d17;--shadow-soft:0 1px 2px #0006, 0 4px 16px #0000004d}@media (prefers-color-scheme:dark){:root:not(.light){--color-bg:#14140f;--color-bg-soft:#1d1d17;--color-surface:#1a1a14;--color-border:#2a2a23;--color-border-strong:#3d3d33;--color-text:#ece8da;--color-text-soft:#c2bda9;--color-text-muted:#8a8775;--color-accent:#8fcfb1;--color-accent-soft:#1f2b25;--color-link:#aedcc4;--color-link-hover:#d4ecdd;--color-quote-bg:#1d1d17;--color-code-bg:#1d1d17;--shadow-soft:0 1px 2px #0006, 0 4px 16px #0000004d}}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;text-size-adjust:100%}body{min-height:100dvh;font-family:var(--font-serif);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;margin:0;font-size:17px;line-height:1.75;display:flex}main{flex:1 0 auto;width:100%}a{color:var(--color-link);text-decoration:none;transition:color .18s}a:hover{color:var(--color-link-hover);text-underline-offset:3px;text-decoration:underline}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);color:var(--color-text);letter-spacing:.01em;margin:2.2em 0 .8em;font-weight:700;line-height:1.35}h1{margin-top:.6em;font-size:clamp(1.9rem,1.4rem + 2vw,2.6rem)}h2{border-bottom:1px solid var(--color-border);padding-bottom:.3em;font-size:clamp(1.5rem,1.2rem + 1vw,1.85rem)}h3{font-size:1.3rem}p{margin:1em 0}ul,ol{margin:1em 0;padding-left:1.6em}li{margin:.35em 0}blockquote{background:var(--color-quote-bg);border-left:3px solid var(--color-accent);color:var(--color-text-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.6em 0;padding:.8em 1.2em}blockquote p{margin:.4em 0}code{font-family:var(--font-mono);background:var(--color-code-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);word-break:break-word;padding:.12em .4em;font-size:.92em}pre{font-family:var(--font-mono);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1em 1.1em;font-size:.92em;line-height:1.6;overflow-x:auto;background:var(--color-code-bg)!important}pre code{font-size:inherit;background:0 0;border:0;border-radius:0;padding:0}hr{background:var(--color-border);border:0;height:1px;margin:3em 0}img{border-radius:var(--radius-md);max-width:100%;height:auto}table{border-collapse:collapse;width:100%;margin:1.5em 0;font-size:.95em}th,td{border-bottom:1px solid var(--color-border);text-align:left;padding:.55em .9em}th{background:var(--color-bg-soft);font-weight:600}.container{width:100%;max-width:var(--layout-width);margin:0 auto;padding:0 1.4rem}.prose{max-width:var(--content-width);margin:0 auto}.prose-wide{max-width:var(--layout-width);margin:0 auto}.btn{border-radius:var(--radius-md);border:1px solid var(--color-border-strong);background:var(--color-surface);color:var(--color-text);font-family:var(--font-sans);align-items:center;gap:.4em;padding:.5em 1em;font-size:.9rem;transition:all .18s;display:inline-flex}.btn:hover{background:var(--color-bg-soft);border-color:var(--color-accent);text-decoration:none}.skip-link{width:1px;height:1px;position:absolute;top:auto;left:-10000px;overflow:hidden}.skip-link:focus{background:var(--color-accent);color:#fff;border-radius:var(--radius-md);z-index:999;width:auto;height:auto;padding:.5em 1em;position:fixed;top:1rem;left:1rem}::selection{background:var(--color-accent-soft);color:var(--color-text)}.site-header[data-astro-cid-nen7h5rs]{border-bottom:1px solid var(--color-border);background:color-mix(in srgb, var(--color-bg) 92%, transparent);backdrop-filter:saturate(180%)blur(8px);z-index:50;position:sticky;top:0}.header-inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1.4rem;display:flex}.brand[data-astro-cid-nen7h5rs]{color:var(--color-text);align-items:center;gap:.7rem;display:inline-flex}.brand[data-astro-cid-nen7h5rs]:hover{color:var(--color-link);text-decoration:none}.brand-mark[data-astro-cid-nen7h5rs]{background:var(--color-accent);color:#fff;width:2.1rem;height:2.1rem;font-family:var(--font-serif);border-radius:6px;place-items:center;font-size:1.2rem;font-weight:700;line-height:1;display:inline-grid}.brand-text[data-astro-cid-nen7h5rs]{flex-direction:column;line-height:1.1;display:flex}.brand-title[data-astro-cid-nen7h5rs]{font-family:var(--font-serif);letter-spacing:.04em;font-size:1.15rem;font-weight:700}.brand-subtitle[data-astro-cid-nen7h5rs]{font-family:var(--font-sans);color:var(--color-text-muted);letter-spacing:.02em;margin-top:.18rem;font-size:.78rem}.nav[data-astro-cid-nen7h5rs]{align-items:center;gap:.4rem;display:flex}.nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{align-items:center;gap:.25rem;margin:0;padding:0;list-style:none;display:flex}.nav-link[data-astro-cid-nen7h5rs]{border-radius:var(--radius-sm);color:var(--color-text-soft);font-family:var(--font-sans);padding:.45rem .85rem;font-size:.92rem;transition:color .18s,background .18s;display:inline-block}.nav-link[data-astro-cid-nen7h5rs]:hover{background:var(--color-bg-soft);color:var(--color-text);text-decoration:none}.nav-link[data-astro-cid-nen7h5rs].is-active{color:var(--color-accent);background:var(--color-accent-soft)}.nav-link[data-astro-cid-nen7h5rs].is-external:after{content:" ↗";opacity:.6;font-size:.78em}.theme-toggle[data-astro-cid-nen7h5rs]{border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);width:2.1rem;height:2.1rem;color:var(--color-text-soft);cursor:pointer;place-items:center;margin-left:.3rem;font-size:1.1rem;transition:all .18s;display:inline-grid}.theme-toggle[data-astro-cid-nen7h5rs]:hover{color:var(--color-accent);border-color:var(--color-accent)}@media (width<=640px){.brand-subtitle[data-astro-cid-nen7h5rs]{display:none}.nav-link[data-astro-cid-nen7h5rs]{padding:.4rem .55rem;font-size:.85rem}}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);background:var(--color-bg-soft);color:var(--color-text-soft);margin-top:4rem;padding:2.4rem 0 1.6rem}.footer-inner[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;justify-content:space-between;gap:2rem;display:flex}.footer-title[data-astro-cid-jo6i4kqk]{font-family:var(--font-serif);color:var(--color-text);align-items:center;gap:.55rem;margin:0 0 .3rem;font-size:1.1rem;font-weight:700;display:flex}.footer-title[data-astro-cid-jo6i4kqk] .brand-mark[data-astro-cid-jo6i4kqk]{background:var(--color-accent);color:#fff;border-radius:5px;place-items:center;width:1.8rem;height:1.8rem;font-size:1rem;display:inline-grid}.footer-tagline[data-astro-cid-jo6i4kqk]{color:var(--color-text-muted);font-family:var(--font-sans);margin:0;font-size:.9rem}.footer-nav[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:2.6rem;display:flex}.footer-col[data-astro-cid-jo6i4kqk] h4[data-astro-cid-jo6i4kqk]{font-family:var(--font-sans);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.08em;margin:0 0 .6rem;font-size:.85rem;font-weight:600}.footer-col[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:.35rem;margin:0;padding:0;list-style:none;display:flex}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--color-text-soft);font-family:var(--font-sans);font-size:.92rem}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--color-accent)}.footer-bottom[data-astro-cid-jo6i4kqk]{border-top:1px dashed var(--color-border);font-family:var(--font-sans);flex-wrap:wrap;justify-content:space-between;gap:.6rem;margin-top:1.6rem;padding-top:1rem;font-size:.85rem;display:flex}.footer-bottom[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{margin:0}.muted[data-astro-cid-jo6i4kqk]{color:var(--color-text-muted)}@media (width<=640px){.footer-nav[data-astro-cid-jo6i4kqk]{gap:1.5rem}}