:root{--bg:#f6f8fa;--surface:#fff;--text:#1b2a3a;--muted:#5a6b7c;--border:#dde4ea;--brand:#0b4f6c;--accent:#0e7c86;--accent-soft:#e3f2f3;--notice:#fff6d6;--radius:8px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0f1720;--surface:#16212c;--text:#e6edf3;--muted:#9fb0bf;--border:#2a3a48;--brand:#7cc4e0;--accent:#4fb8c2;--accent-soft:#17323a;--notice:#3a3420;color-scheme:dark}}*,:before,:after{box-sizing:border-box}[hidden]{display:none!important}body{background:var(--bg);color:var(--text);margin:0;font-family:Segoe UI,system-ui,-apple-system,Roboto,sans-serif;font-size:1.0625rem;line-height:1.6}a{color:var(--accent);text-underline-offset:.15em}a:hover{color:var(--brand)}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:2px}h1,h2,h3{color:var(--brand);line-height:1.25}h1{margin:.5rem 0 1rem;font-size:2rem}h2{margin:2rem 0 .75rem;font-size:1.4rem}h3{margin:1.5rem 0 .5rem;font-size:1.15rem}img{max-width:100%;height:auto}main img{border-radius:4px}ul,ol{padding-left:1.3rem}li{margin-bottom:.35rem}hr{border:0;border-top:1px solid var(--border);margin:2rem 0}table{border-collapse:collapse}th,td{border-bottom:1px solid var(--border);text-align:left;padding:.35rem .6rem}.muted{color:var(--muted)}.small{font-size:.875rem}.lang{white-space:nowrap;color:var(--muted);vertical-align:.1em;border:1px solid;border-radius:3px;padding:0 .35em;font-size:.75em}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem}.button{background:var(--accent);color:#fff;border-radius:6px;padding:.5rem 1rem;font-weight:600;text-decoration:none;display:inline-block}.button:hover{background:var(--brand);color:#fff}@media (prefers-color-scheme:dark){.button,.button:hover{color:#0f1720}.host-logo{background:#fff;border-radius:4px;padding:4px}}.site-header{background:var(--surface);border-bottom:1px solid var(--border)}.site-header .inner{flex-wrap:wrap;align-items:center;gap:1rem 2rem;max-width:64rem;margin:0 auto;padding:.75rem 1rem;display:flex}.logo{flex-direction:column;line-height:1.1;text-decoration:none;display:flex}.logo strong{color:var(--brand);letter-spacing:-.02em;font-size:1.6rem}.logo span{color:var(--muted);font-size:.75rem}.site-nav{flex-wrap:wrap;gap:.25rem 1.1rem;margin-left:auto;display:flex}.site-nav a{color:var(--text);border-bottom:2px solid #0000;padding:.25rem 0;text-decoration:none}.site-nav a:hover{color:var(--accent)}.site-nav a[aria-current=page]{color:var(--accent);border-bottom-color:var(--accent)}.preview-note{background:var(--notice);text-align:center;padding:.3rem 1rem;font-size:.85rem}main{max-width:64rem;margin:0 auto;padding:1.5rem 1rem 3rem}.site-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:.9rem}.site-footer .inner{flex-wrap:wrap;justify-content:space-between;gap:.5rem 2rem;max-width:64rem;margin:0 auto;padding:1.5rem 1rem;display:flex}.site-footer a{color:var(--muted)}.menu-toggle{display:none}@media (width<=40rem){body{font-size:1rem}h1{font-size:1.6rem}h2{font-size:1.25rem}.preview-note{padding:.2rem .75rem;font-size:.75rem}.site-header .inner{flex-wrap:nowrap;justify-content:space-between;gap:.4rem;padding:.5rem 1rem}.site-header{position:relative}.logo strong{font-size:1.35rem}.js .menu-toggle{font:inherit;color:var(--text);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:6px;align-items:center;gap:.4rem;padding:.35rem .7rem;font-size:.95rem;display:inline-flex}.menu-toggle .icon{font-size:1.2rem;line-height:1}.site-nav{flex-direction:column;gap:0;margin-left:0}.site-header .inner{flex-wrap:wrap}.js .site-header .inner{flex-wrap:nowrap}.js .site-nav{z-index:10;text-align:right;background:var(--surface);border:1px solid var(--border);border-radius:0 0 0 var(--radius);border-top:0;border-right:0;min-width:13rem;padding:.25rem 1rem;display:none;position:absolute;top:100%;right:0;box-shadow:0 8px 16px #0000001f}.js .site-header.open .site-nav{display:flex}.site-nav a{border-bottom:1px solid var(--border);padding:.6rem 0;font-size:1.05rem}.site-nav a:last-child{border-bottom:0}.site-nav a[aria-current=page]{border-bottom-color:var(--border);font-weight:600}main{padding-top:1rem}}