pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#abb2bf;background:#282c34}.hljs-comment,.hljs-quote{color:#5c6370;font-style:italic}.hljs-doctag,.hljs-keyword,.hljs-formula{color:#c678dd}.hljs-section,.hljs-name,.hljs-selector-tag,.hljs-deletion,.hljs-subst{color:#e06c75}.hljs-literal{color:#56b6c2}.hljs-string,.hljs-regexp,.hljs-addition,.hljs-attribute,.hljs-meta .hljs-string{color:#98c379}.hljs-attr,.hljs-variable,.hljs-template-variable,.hljs-type,.hljs-selector-class,.hljs-selector-attr,.hljs-selector-pseudo,.hljs-number{color:#d19a66}.hljs-symbol,.hljs-bullet,.hljs-link,.hljs-meta,.hljs-selector-id,.hljs-title{color:#61aeee}.hljs-built_in,.hljs-title.class_,.hljs-class .hljs-title{color:#e6c07b}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}.hljs-link{text-decoration:underline}.container[data-astro-cid-4sn4zg3r]{max-width:1120px;margin:0 auto;padding:80px 20px}.post-layout[data-astro-cid-4sn4zg3r]{display:grid;grid-template-columns:240px minmax(0,1fr);gap:30px;align-items:start}.top-back[data-astro-cid-4sn4zg3r]{display:inline-block;margin-bottom:60px;font-weight:700}.toc[data-astro-cid-4sn4zg3r]{position:sticky;top:116px}.toc-title[data-astro-cid-4sn4zg3r]{margin:0 0 10px;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;opacity:.7;font-weight:700}.toc[data-astro-cid-4sn4zg3r] ul[data-astro-cid-4sn4zg3r]{list-style:none;margin:0;padding:0;display:grid;gap:6px}.toc[data-astro-cid-4sn4zg3r] li[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]{text-decoration:none;color:var(--text);opacity:.72;font-size:.95rem;line-height:1.35}.toc[data-astro-cid-4sn4zg3r] li[data-astro-cid-4sn4zg3r].depth-3{padding-left:12px}.toc[data-astro-cid-4sn4zg3r] li[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]:hover{opacity:1;text-decoration:underline}.toc[data-astro-cid-4sn4zg3r] li[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r].is-active{opacity:1;font-weight:600;text-decoration:underline;text-underline-offset:3px}.site-header[data-astro-cid-4sn4zg3r] .container[data-astro-cid-4sn4zg3r]{max-width:1120px;padding:12px 20px}.site-header[data-astro-cid-4sn4zg3r]{position:sticky;top:0;z-index:20;backdrop-filter:blur(8px);background:var(--header-bg);border-bottom:1px solid var(--border-soft)}.nav-wrap[data-astro-cid-4sn4zg3r]{display:flex;align-items:center;justify-content:space-between;gap:10px}.brand[data-astro-cid-4sn4zg3r]{text-decoration:none;color:var(--text);font-weight:800;font-size:1.05rem}nav[data-astro-cid-4sn4zg3r]{display:flex;gap:16px;align-items:center}nav[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]{text-decoration:none;color:var(--text);opacity:.85;font-weight:600;font-size:.95rem}.theme-toggle[data-astro-cid-4sn4zg3r]{width:38px;height:38px;border-radius:999px;border:1px solid var(--border);background:var(--surface-strong);color:var(--text);display:inline-grid;place-items:center;cursor:pointer;position:relative;overflow:hidden}.theme-icon[data-astro-cid-4sn4zg3r]{position:absolute;font-size:1rem;line-height:1;transition:transform .25s ease,opacity .2s ease}.theme-icon[data-astro-cid-4sn4zg3r].sun{opacity:1;transform:translateY(0) rotate(0);color:#f5b301}.theme-icon[data-astro-cid-4sn4zg3r].moon{opacity:0;transform:translateY(12px) rotate(-20deg)}html[data-theme=dark] .theme-icon[data-astro-cid-4sn4zg3r].sun{opacity:0;transform:translateY(-12px) rotate(20deg)}html[data-theme=dark] .theme-icon[data-astro-cid-4sn4zg3r].moon{opacity:1;transform:translateY(0) rotate(0)}.back[data-astro-cid-4sn4zg3r]{color:var(--text);text-decoration:none;opacity:.8}.post[data-astro-cid-4sn4zg3r]{margin-top:16px;max-width:780px;min-width:0}h1[data-astro-cid-4sn4zg3r]{margin:0 0 10px;font-size:clamp(2rem,5vw,3rem);line-height:1.1;letter-spacing:-.02em}.meta-row[data-astro-cid-4sn4zg3r]{opacity:.82;margin:10px 0 22px;font-size:.92rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.author-avatar[data-astro-cid-4sn4zg3r]{width:28px;height:28px;border-radius:999px;object-fit:cover;border:1px solid var(--border)}.author-name[data-astro-cid-4sn4zg3r]{font-weight:600}.dot[data-astro-cid-4sn4zg3r]{opacity:.6}.tag-row[data-astro-cid-4sn4zg3r]{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 2px}.tag[data-astro-cid-4sn4zg3r]{display:inline-flex;font-size:.78rem;font-weight:500;letter-spacing:0;padding:4px 9px;border-radius:999px;border:1px solid var(--border);background:var(--surface-strong);color:var(--text-soft)}.tag-default[data-astro-cid-4sn4zg3r]{border-color:var(--border);background:var(--surface-strong)}.tag-blue[data-astro-cid-4sn4zg3r]{border-color:#355fa859;background:#355fa81a;color:var(--text)}.tag-green[data-astro-cid-4sn4zg3r]{border-color:#2f7d4f59;background:#2f7d4f1a;color:var(--text)}.tag-purple[data-astro-cid-4sn4zg3r]{border-color:#6d4ea359;background:#6d4ea31a;color:var(--text)}.tag-amber[data-astro-cid-4sn4zg3r]{border-color:#99641e59;background:#99641e1f;color:var(--text)}.tag-indigo[data-astro-cid-4sn4zg3r]{border-color:#4e5cb659;background:#4e5cb61a;color:var(--text)}.tag-pink[data-astro-cid-4sn4zg3r]{border-color:#af527859;background:#af52781a;color:var(--text)}.tag-red[data-astro-cid-4sn4zg3r]{border-color:#ad444459;background:#ad44441a;color:var(--text)}.tag-cyan[data-astro-cid-4sn4zg3r]{border-color:#27838f59;background:#27838f1a;color:var(--text)}html[data-theme=dark] .tag-blue[data-astro-cid-4sn4zg3r]{border-color:#9ec2ff59;background:#9ec2ff24}html[data-theme=dark] .tag-green[data-astro-cid-4sn4zg3r]{border-color:#9be2b859;background:#9be2b824}html[data-theme=dark] .tag-purple[data-astro-cid-4sn4zg3r]{border-color:#c8b0ff59;background:#c8b0ff24}html[data-theme=dark] .tag-amber[data-astro-cid-4sn4zg3r]{border-color:#f4c98b59;background:#f4c98b29}html[data-theme=dark] .tag-indigo[data-astro-cid-4sn4zg3r]{border-color:#adb5ff59;background:#adb5ff24}html[data-theme=dark] .tag-pink[data-astro-cid-4sn4zg3r]{border-color:#ffadce59;background:#ffadce24}html[data-theme=dark] .tag-red[data-astro-cid-4sn4zg3r]{border-color:#ffa6a659;background:#ffa6a624}html[data-theme=dark] .tag-cyan[data-astro-cid-4sn4zg3r]{border-color:#99e7ef59;background:#99e7ef24}.cover[data-astro-cid-4sn4zg3r]{width:100%;height:auto;border-radius:14px;border:1px solid var(--border);margin:0 0 18px}.source-link[data-astro-cid-4sn4zg3r]{margin-top:24px;opacity:.8;font-size:.92rem}.post p{line-height:1.78;margin:0 0 14px;font-size:1.04rem}.post h2{margin:28px 0 10px;font-size:1.4rem;scroll-margin-top:110px}.post h3{margin:22px 0 8px;font-size:1.15rem;scroll-margin-top:110px}.post ul,.post ol{margin:0 0 14px 22px}.post li{margin-bottom:8px}.post hr{border:0;border-top:1px solid var(--border);margin:24px 0}.post a,.source-link[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]{color:var(--text);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;text-decoration-color:#4a8dff8c}.post a:hover,.source-link[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]:hover{text-decoration-color:#4a8dfff2}.post pre{background:transparent;border:0;border-radius:0;padding:0;overflow:visible;margin:16px 0}.post pre code.hljs{display:block;border-radius:12px;padding:14px;overflow-x:auto}.post .mermaid-wrap{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px;margin:16px 0;overflow-x:auto}.post .mermaid-wrap svg{display:block;margin:0 auto;max-width:100%;height:auto}.post code{font-family:JetBrains Mono,Fira Code,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.post :not(pre)>code{background:var(--surface-strong);border:1px solid var(--border);border-radius:6px;padding:2px 6px}.post img{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--border);margin:10px 0 16px}.toc-fab[data-astro-cid-4sn4zg3r],.toc-sheet[data-astro-cid-4sn4zg3r]{display:none}.site-footer[data-astro-cid-4sn4zg3r]{border-top:1px solid var(--border-soft);background:var(--surface)}.footer-wrap[data-astro-cid-4sn4zg3r]{max-width:1120px;padding-top:20px;padding-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.footer-wrap[data-astro-cid-4sn4zg3r] p[data-astro-cid-4sn4zg3r]{margin:0;opacity:.75;font-size:.92rem}.footer-links[data-astro-cid-4sn4zg3r]{display:flex;gap:14px}.footer-links[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]{text-decoration:none;color:var(--text);font-weight:600;opacity:.9;font-size:.92rem}@media(max-width:900px){.site-header[data-astro-cid-4sn4zg3r] .container[data-astro-cid-4sn4zg3r]{padding:10px 16px}nav[data-astro-cid-4sn4zg3r]{gap:8px;flex-wrap:wrap;justify-content:flex-end;max-width:100%}nav[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]{font-size:.84rem}.theme-toggle[data-astro-cid-4sn4zg3r]{width:34px;height:34px}.post-layout[data-astro-cid-4sn4zg3r]{grid-template-columns:1fr}.toc[data-astro-cid-4sn4zg3r]{display:none}.top-back[data-astro-cid-4sn4zg3r]{margin-bottom:10px}.container[data-astro-cid-4sn4zg3r]{padding:64px 16px;overflow-x:clip}.post[data-astro-cid-4sn4zg3r]{max-width:100%}.footer-wrap[data-astro-cid-4sn4zg3r]{flex-direction:column;align-items:flex-start}.toc-fab[data-astro-cid-4sn4zg3r]{display:inline-flex;position:fixed;right:16px;bottom:20px;z-index:40;border:1px solid var(--border);background:var(--text);color:var(--bg);border-radius:999px;padding:10px 14px;font-weight:600;box-shadow:0 8px 20px #0003}.toc-sheet[data-astro-cid-4sn4zg3r]{display:block;position:fixed;inset:0;z-index:50;pointer-events:none;opacity:0;transition:opacity .2s ease}.toc-sheet[data-astro-cid-4sn4zg3r].is-open{opacity:1;pointer-events:auto}.toc-sheet-backdrop[data-astro-cid-4sn4zg3r]{position:absolute;inset:0;background:#00000059}.toc-sheet-panel[data-astro-cid-4sn4zg3r]{position:absolute;left:0;right:0;bottom:0;max-height:68vh;overflow:auto;background:var(--bg);border-top-left-radius:16px;border-top-right-radius:16px;border:1px solid var(--border);padding:14px 16px 22px}.toc-sheet-head[data-astro-cid-4sn4zg3r]{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.toc-close[data-astro-cid-4sn4zg3r]{border:1px solid var(--border);background:var(--surface-strong);color:var(--text);border-radius:10px;padding:4px 8px}.toc-sheet-panel[data-astro-cid-4sn4zg3r] ul[data-astro-cid-4sn4zg3r]{list-style:none;margin:0;padding:0;display:grid;gap:8px}.toc-sheet-panel[data-astro-cid-4sn4zg3r] li[data-astro-cid-4sn4zg3r].depth-3{padding-left:10px}.toc-sheet-panel[data-astro-cid-4sn4zg3r] a[data-astro-cid-4sn4zg3r]{text-decoration:none;color:var(--text);opacity:.88}}