:root{--fb:#1877f2;--fb-2:#166fe5;--fb-dark:#0e4fa8;--bg:#f0f2f5;--card:#ffffff;--ink:#050505;--ink-soft:#65676b;--ink-dim:#8a8d91;--line:#ced0d4;--hover:#f2f2f2;--green:#42b72a;--red:#e74c3c;--font:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,system-ui,sans-serif;--maxw:1100px;--radius:10px;--radius-sm:8px;--pad:clamp(.6rem,2vw,1rem);--shadow:0 1px 2px rgba(0,0,0,.1),0 2px 8px rgba(0,0,0,.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-weight:700;line-height:1.25;margin:0 0 .4em;color:var(--ink)}h1{font-size:clamp(1.5rem,3.2vw,2rem)}h2{font-size:1.35rem}h3{font-size:1.08rem}p{margin:0 0 1em}a{color:var(--fb);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}.btn{display:inline-flex;align-items:center;gap:.4em;font-weight:600;font-size:.92rem;padding:.55em 1.2em;border-radius:6px;background:var(--fb);color:#fff;border:none;cursor:pointer;transition:background .15s}.btn:hover{background:var(--fb-2);color:#fff;text-decoration:none}.btn-light{background:#e4e6eb;color:var(--ink)}.btn-light:hover{background:#d8dadf}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.chip{display:inline-flex;align-items:center;gap:.35em;font-size:.74rem;font-weight:700;color:#fff;padding:.2em .7em;border-radius:999px}.muted{color:var(--ink-soft)}.prose{font-size:1.02rem;color:#1c1e21}.prose h2,.prose h3{margin-top:1.3em}.prose h2{font-size:1.3rem}.prose a{color:var(--fb)}.prose a:hover{text-decoration:underline}.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}.prose li{margin-bottom:.3em}.prose img{border-radius:8px;margin:1em 0}.prose strong{color:var(--ink)}::selection{background:var(--fb);color:#fff}.hd[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:60}.hd-top[data-astro-cid-3ef6ksr2]{background:var(--fb)}.hd-top-in[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:1rem;min-height:56px}.brand[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.55rem;color:#fff}.brand[data-astro-cid-3ef6ksr2]:hover{text-decoration:none}.b-f[data-astro-cid-3ef6ksr2]{display:grid;place-items:center;width:40px;height:40px;background:#fff;color:var(--fb);font-weight:800;font-size:1.7rem;border-radius:50%;line-height:1;font-family:Georgia,serif}.b-name[data-astro-cid-3ef6ksr2]{font-size:1.3rem;font-weight:600;color:#fff;white-space:nowrap}.b-name[data-astro-cid-3ef6ksr2] b[data-astro-cid-3ef6ksr2]{font-weight:800}.search[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.5rem;background:#ffffffeb;color:var(--ink-soft);border-radius:999px;padding:.5rem 1rem;font-size:.9rem;max-width:340px;flex:1}.burger[data-astro-cid-3ef6ksr2]{display:none;margin-left:auto;background:none;border:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}.burger[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{width:24px;height:2px;background:#fff;border-radius:2px}.hd-nav[data-astro-cid-3ef6ksr2]{background:var(--card);box-shadow:var(--shadow)}.hd-nav-in[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.3rem;overflow-x:auto}.tab[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:.4em;padding:.85rem .9rem;color:var(--ink-soft);font-weight:600;font-size:.92rem;white-space:nowrap;border-bottom:3px solid transparent}.tab[data-astro-cid-3ef6ksr2]:hover{background:var(--hover);text-decoration:none;border-radius:6px 6px 0 0}.tab[data-astro-cid-3ef6ksr2] .t-ic[data-astro-cid-3ef6ksr2]{font-size:1rem}.mnav[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;background:var(--card);padding:.4rem var(--pad) .8rem;box-shadow:var(--shadow)}.mnav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{padding:.6rem 0;color:var(--ink);font-weight:600;border-bottom:1px solid var(--line)}@media(max-width:760px){.search[data-astro-cid-3ef6ksr2],.hd-nav[data-astro-cid-3ef6ksr2]{display:none}.burger[data-astro-cid-3ef6ksr2],.mnav[data-astro-cid-3ef6ksr2][data-open]{display:flex}}.ft[data-astro-cid-sz7xmlte]{background:var(--card);box-shadow:0 -1px 2px #0000000f;margin-top:1.5rem;padding:1.5rem 0}.ft-brand[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;color:var(--fb);font-weight:600;margin-bottom:.7rem}.ft-brand[data-astro-cid-sz7xmlte] .b-f[data-astro-cid-sz7xmlte]{display:grid;place-items:center;width:32px;height:32px;background:var(--fb);color:#fff;font-weight:800;border-radius:50%;font-family:Georgia,serif}.ft-links[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid var(--line)}.ft-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--ink-soft);font-weight:600;font-size:.9rem}.ft-bottom[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;align-items:center;font-size:.82rem;color:var(--ink-dim)}.ft-bottom[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--fb);font-weight:600}