:root{--bg:#ffffff;--bg-soft:#f6f8fa;--bg-inset:#f0f2f5;--text:#1f2328;--text-soft:#59636e;--text-faint:#818b98;--border:#d1d9e0;--border-soft:#e4e8ec;--accent:#0969da;--accent-soft:#ddf4ff;--brand:#ff4088;--brand-dark:#c9177e;--radius:8px;--sidebar-width:250px;--toc-width:220px;--content-max:760px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    Roboto, Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", "Courier New", monospace}@media(prefers-color-scheme:dark){:root{--bg:#0d1117;--bg-soft:#161b22;--bg-inset:#1c2128;--text:#e6edf3;--text-soft:#9198a1;--text-faint:#6e7681;--border:#30363d;--border-soft:#21262d;--accent:#4493f8;--accent-soft:#121d2f;--brand:#ff6ab0;--brand-dark:#ff8ec4}}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:5rem;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.75}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.skip-link{position:absolute;left:-9999px;top:0;background:var(--bg);padding:.5rem 1rem;border:1px solid var(--border);z-index:100}.skip-link:focus{left:.5rem;top:.5rem}.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%)blur(8px);border-bottom:1px solid var(--border-soft)}.site-header-inner{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;max-width:1400px;margin:0 auto;padding:.6rem 1.25rem}.brand{display:inline-flex;align-items:baseline;gap:.45rem;color:var(--text);font-weight:700;font-size:1.05rem}.brand:hover{text-decoration:none}.brand-mark{color:var(--brand);letter-spacing:-.02em}.brand-text{color:var(--text-soft);font-weight:500;font-size:.95rem}.site-nav{display:flex;gap:1.1rem;margin-left:auto;font-size:.94rem}.site-nav a{color:var(--text-soft)}.site-nav a:hover{color:var(--accent);text-decoration:none}.layout{display:grid;grid-template-columns:var(--sidebar-width)minmax(0,1fr)var(--toc-width);gap:2.5rem;max-width:1400px;margin:0 auto;padding:2rem 1.25rem 3rem;align-items:start}.content{min-width:0;max-width:var(--content-max);width:100%;justify-self:center}.sidebar{position:sticky;top:4.25rem;max-height:calc(100vh - 5.5rem);overflow-y:auto;padding-right:.5rem;font-size:.92rem}.sidebar-heading,.toc-heading{margin:0 0 .6rem;font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint)}.sidebar-group{margin-bottom:1.15rem}.sidebar-section{display:block;font-weight:600;color:var(--text);padding:.15rem 0}.sidebar-section.is-active{color:var(--brand-dark);font-weight:700}.sidebar-subgroup{margin:.4rem 0 .2rem .15rem}.sidebar-subsection{display:block;padding:.12rem 0;font-weight:500;color:var(--text-soft)}.sidebar-subsection:hover{color:var(--accent);text-decoration:none}.sidebar-subsection.is-active{color:var(--brand-dark);font-weight:600}.sidebar-list{list-style:none;margin:.35rem 0 0;padding:0 0 0 .85rem;border-left:1px solid var(--border-soft)}.sidebar-list li{margin:.1rem 0}.sidebar-list a{display:block;padding:.22rem 0 .22rem .55rem;margin-left:-1px;border-left:2px solid transparent;color:var(--text-soft);line-height:1.5}.sidebar-list a:hover{color:var(--accent);text-decoration:none}.sidebar-list a.is-active{color:var(--brand-dark);font-weight:600;border-left-color:var(--brand);background:var(--bg-soft)}.toc{position:sticky;top:4.25rem;max-height:calc(100vh - 5.5rem);overflow-y:auto;font-size:.88rem;border-left:1px solid var(--border-soft);padding-left:1rem}.toc nav#TableOfContents{font-size:.88rem}.toc ul{list-style:none;margin:0;padding:0}.toc ul ul{padding-left:.85rem}.toc li{margin:.2rem 0}.toc a{color:var(--text-soft);display:block;line-height:1.45;padding:.15rem 0 .15rem .6rem;margin-left:-.6rem;border-left:2px solid transparent}.toc a:hover{color:var(--accent);text-decoration:none}.toc a.is-current{color:var(--brand-dark);font-weight:600;border-left-color:var(--brand)}.toc a.is-current:hover{color:var(--brand-dark)}.doc-header{margin-bottom:1.75rem;padding-bottom:1.25rem;border-bottom:1px solid var(--border-soft)}.doc-eyebrow{margin:0 0 .4rem;font-size:.82rem;font-weight:600;letter-spacing:.06em;color:var(--brand-dark)}.doc-eyebrow a{color:inherit}.doc-header h1{margin:0 0 .5rem;font-size:2.05rem;line-height:1.3;letter-spacing:-.01em}.doc-description{margin:0;color:var(--text-soft);font-size:1.02rem}.doc-body>:first-child{margin-top:0}.doc-body h2{margin:2.4rem 0 .9rem;padding-bottom:.35rem;border-bottom:1px solid var(--border-soft);font-size:1.45rem;line-height:1.35}.doc-body h3{margin:1.9rem 0 .7rem;font-size:1.17rem}.doc-body h4{margin:1.5rem 0 .55rem;font-size:1.02rem}.doc-body p,.doc-body ul,.doc-body ol,.doc-body dl{margin:0 0 1.05rem}.doc-body ul,.doc-body ol{padding-left:1.5rem}.doc-body li{margin:.3rem 0}.doc-body li>ul,.doc-body li>ol{margin:.3rem 0}.doc-body blockquote{margin:0 0 1.1rem;padding:.2rem 1rem;border-left:4px solid var(--brand);background:var(--bg-soft);color:var(--text-soft);border-radius:0 var(--radius)var(--radius)0}.doc-body blockquote>:last-child{margin-bottom:0}.doc-body hr{margin:2rem 0;border:0;border-top:1px solid var(--border-soft)}.doc-body img{max-width:100%;height:auto;border-radius:var(--radius)}.doc-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:0 0 1.2rem;font-size:.94rem}.doc-body th,.doc-body td{border:1px solid var(--border);padding:.5rem .75rem;text-align:left;vertical-align:top}.doc-body thead th{background:var(--bg-soft);font-weight:600}.doc-body tbody tr:nth-child(even){background:color-mix(in srgb,var(--bg-soft) 55%,transparent)}.doc-body code{font-family:var(--font-mono);font-size:.88em;background:var(--bg-inset);padding:.15em .38em;border-radius:5px;word-break:break-word}.doc-body pre,.doc-body .highlight pre{margin:0 0 1.15rem;padding:.95rem 1.1rem;overflow-x:auto;background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:var(--radius);font-size:.88rem;line-height:1.6}.doc-body pre code{background:0 0;padding:0;border-radius:0;font-size:inherit;white-space:pre;word-break:normal}.doc-body .highlight{margin:0 0 1.15rem}.doc-body .highlight pre{margin-bottom:0}.home-section{margin-top:2.25rem}.home-section h2{margin:0 0 .4rem;font-size:1.35rem;border-bottom:0;padding-bottom:0}.home-section h2 a{color:var(--text)}.home-section-desc{margin:0 0 .85rem;color:var(--text-soft);font-size:.96rem}.home-section-meta{margin:0 0 .5rem;color:var(--text-soft);font-size:.92rem;line-height:1.9}.home-section-meta a{color:var(--accent)}.doc-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:.35rem;color:var(--text-faint);font-size:.85rem}.doc-meta time{font-variant-numeric:tabular-nums}.doc-sep{opacity:.7}.doc-rel{font-size:.95em}.doc-commit{font-family:ui-monospace,SFMono-Regular,Consolas,cascadia mono,monospace;font-size:.92em;padding:.05rem .4rem;border:1px solid var(--border-soft);border-radius:4px}.callout{margin:1.5rem 0;padding:.9rem 1.1rem;border:1px solid var(--border-soft);border-left:3px solid var(--accent);border-radius:var(--radius);background:var(--bg-soft)}.callout-title{margin:0 0 .35rem;font-weight:600}.callout-body>:first-child{margin-top:0}.callout-body>:last-child{margin-bottom:0}.callout-tip{border-left-color:#2f855a}.callout-important{border-left-color:#6b46c1}.callout-caution{border-left-color:#c53030}.code-block{margin:1.5rem 0}.code-block-file{margin:0 0 .35rem;font-family:ui-monospace,SFMono-Regular,Consolas,cascadia mono,monospace;font-size:.82rem;color:var(--text-faint)}.code-block .highlight{margin:0}.fn-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:.35rem .75rem;margin:.75rem 0 1.6rem;padding:.7rem 1rem;background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:var(--radius);font-size:.9rem}.fn-meta dt{color:var(--text-faint)}.fn-meta dd{margin:0 .75rem 0 0}.fn-meta code{font-size:.95em}.callout-warning{border-left-color:#b7791f}.callout-danger{border-left-color:#c53030}.hero{margin:-.5rem 0 2.5rem;padding:1.75rem 0 1.5rem;border-bottom:1px solid var(--border-soft)}.hero-logo{display:block;width:min(320px,72%);height:auto;margin:0 0 1.15rem}.site-banner{margin:0 0 1.6rem}.site-banner img{display:block;width:100%;height:auto;border:1px solid var(--border-soft);border-radius:12px}.hero-eyebrow{margin:0 0 .5rem;color:var(--accent);font-size:.9rem;letter-spacing:.08em}.hero h1{margin:0 0 .75rem;font-size:2.1rem;line-height:1.25}.hero-lead{margin:0 0 1.25rem;max-width:46rem;color:var(--text-soft);font-size:1.05rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin:0 0 1.5rem}.btn{display:inline-block;padding:.5rem 1rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-soft);font-weight:600;text-decoration:none}.btn:hover{border-color:var(--accent)}.btn-primary{border-color:var(--accent);background:var(--accent);color:#fff}.btn-primary:hover{color:#fff;opacity:.92}.hero-stats{display:flex;flex-wrap:wrap;gap:1.75rem;margin:0;padding:0;list-style:none}.hero-stats li{margin:0}.hero-stats strong{display:block;font-size:1.4rem;line-height:1.2}.hero-stats span{color:var(--text-faint);font-size:.85rem}.footer-mark{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem .9rem;margin-top:.9rem;padding-top:.9rem;border-top:1px solid var(--border-soft)}.footer-mark img{height:auto}.footer-mark span{flex:1 1 22rem;font-size:.78rem;color:var(--text-faint);line-height:1.6}.pager-next{margin-left:auto}.page-list{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}.page-list li{padding:.8rem 1rem;background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:var(--radius);margin:0}.page-list li:hover{border-color:var(--border)}.page-list a{font-weight:600}.page-list-desc{display:block;color:var(--text-soft);font-size:.9rem;line-height:1.55;margin-top:.15rem}.page-list-date{display:block;margin-top:.2rem;color:var(--text-faint);font-size:.8rem}.page-list-date time{font-variant-numeric:tabular-nums}.page-list-date .doc-rel{display:none}.doc-footer{margin-top:2.5rem;padding-top:1.1rem;border-top:1px solid var(--border-soft);font-size:.9rem;color:var(--text-soft)}.doc-footer p{margin:.2rem 0}.doc-source{word-break:break-all}.doc-pager{display:flex;gap:1rem;justify-content:space-between;flex-wrap:wrap;margin-top:1.75rem;font-size:.95rem}.doc-pager a{padding:.5rem .85rem;border:1px solid var(--border);border-radius:var(--radius);color:var(--text)}.doc-pager a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}.site-footer{border-top:1px solid var(--border-soft);background:var(--bg-soft);font-size:.88rem;color:var(--text-soft)}.site-footer-inner{max-width:1400px;margin:0 auto;padding:1.25rem}.site-footer-inner p{margin:.25rem 0}@media(max-width:1180px){.layout{grid-template-columns:var(--sidebar-width)minmax(0,1fr)}.toc{display:none}}@media(max-width:860px){.layout{display:block;padding-top:1.25rem}.sidebar{position:static;max-height:none;overflow:visible;margin-bottom:1.75rem;padding-bottom:1.25rem;border-bottom:1px solid var(--border-soft)}.content{max-width:none}.doc-header h1{font-size:1.7rem}.doc-body h2{font-size:1.3rem}.site-nav{gap:.85rem;font-size:.9rem}}@media print{.site-header,.sidebar,.toc,.doc-pager,.site-footer{display:none}.layout{display:block}}