:root{--bg:#0b0d10;--bg-soft:#111418;--bg-panel:#111418;--fg:#e6e8eb;--fg-muted:#8b939e;--line:#1f242c;--line-strong:#2a313b;--accent:#5aa9ff;--accent-soft:#5aa9ff1a;--ok:#3fb97f;--ok-soft:#3fb97f1a;--warn:#e8a33d;--warn-soft:#e8a33d1a;--bad:#f2555a;--bad-soft:#f2555a1a;--code-bg:#0e1115;--radius:8px;--maxw:960px;--mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;margin:0;font:16px/1.75 -apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif}::selection{background:#5aa9ff4d}a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}.skip{position:absolute;left:-9999px}.skip:focus{background:var(--bg);z-index:10;padding:8px;top:8px;left:16px}.mono{font-family:var(--mono)}.site-header{border-bottom:1px solid var(--line);backdrop-filter:saturate(160%)blur(10px);z-index:50;background:#0b0d10cc;position:sticky;top:0}.site-header .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;min-height:56px;display:flex}.brand{font-family:var(--mono);color:var(--fg);align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.brand-logo{border-radius:7px;flex:none;width:28px;height:28px}.brand .prompt{color:var(--accent)}.brand .cursor{vertical-align:-.12em;background:var(--fg-muted);width:.5em;height:1em;margin-left:2px;animation:1.2s step-end infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.site-header nav{flex-wrap:wrap;gap:18px;font-size:14px;display:flex}.site-header nav a{color:var(--fg-muted);text-decoration:none;transition:color .15s}.site-header nav a:hover{color:var(--fg)}.site-header nav a.lang-switch{color:var(--fg);border:1px solid var(--line-strong);border-radius:6px;padding:0 8px}main{padding:32px 16px 64px}.site-footer{border-top:1px solid var(--line);color:var(--fg-muted);padding:28px 0;font-size:13px}h1{letter-spacing:-.02em;margin:0 0 10px;font-size:1.9rem;font-weight:700;line-height:1.3}h2{border-top:1px solid var(--line);letter-spacing:-.01em;margin:2.6rem 0 .9rem;padding-top:1rem;font-size:1.25rem}h3{margin:1.5rem 0 .5rem;font-size:1.05rem}p,ul,ol{margin:0 0 1em}blockquote{border-left:2px solid var(--accent);background:var(--bg-soft);color:var(--fg);border-radius:0 6px 6px 0;margin:1em 0;padding:.6em 1em}code{font-family:var(--mono);font-size:.88em}:not(pre)>code{background:var(--code-bg);border:1px solid var(--line);overflow-wrap:anywhere;border-radius:4px;padding:.05em .35em}pre{border-radius:var(--radius);border:1px solid var(--line);max-width:100%;padding:14px 16px;overflow-x:auto;background:var(--code-bg)!important}li>pre,li pre{max-width:100%}.astro-code span{color:var(--shiki-dark)!important}table{border-collapse:collapse;width:100%;margin:0 0 1.2em;font-size:15px}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere;padding:9px 10px}th{color:var(--fg-muted);font-size:13px;font-weight:500}img{max-width:100%;height:auto}.badge{white-space:nowrap;border-radius:6px;padding:5px 8px;font-size:12px;font-weight:600;line-height:1;display:inline-block}p.badge,h2 .badge,h3 .badge{white-space:normal;line-height:1.4}.term{border-bottom:1px dotted var(--fg-muted);cursor:help;outline:none;position:relative}.term:hover:after,.term:focus:after{content:attr(data-def);z-index:20;white-space:normal;width:max-content;max-width:300px;color:var(--fg);background:var(--bg-panel);border:1px solid var(--line-strong);border-radius:8px;padding:8px 10px;font-size:13px;font-weight:400;line-height:1.5;position:absolute;top:calc(100% + 6px);left:0;box-shadow:0 6px 20px #00000059}.term:focus-visible{box-shadow:0 0 0 2px var(--accent);border-radius:2px}@media (width<=720px){.term:hover:after,.term:focus:after{width:auto;max-width:none;font-size:14px;position:fixed;inset:auto 16px 16px}}details.code-fold{margin:0 0 1em}details.code-fold>summary,details.vec>summary{cursor:pointer;color:var(--fg-muted);font-size:13.5px}details.code-fold[open]>summary{margin-bottom:6px}details.vec code{margin-top:6px;display:inline-block}main{overflow-wrap:break-word}@media (width<=720px){main .body table,main .layer table:not(.iocs){-webkit-overflow-scrolling:touch;display:block;overflow-x:auto}th,td{padding:8px}}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-bad{background:var(--bad-soft);color:var(--bad)}.badge-muted{color:var(--fg-muted);border:1px solid var(--line-strong);background:0 0}.badge-accent{background:var(--accent-soft);color:var(--accent)}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-panel);margin:0 0 1.4em;padding:18px 20px}.card h2,.card h3{border-top:0;margin-top:0;padding-top:0}.muted{color:var(--fg-muted)}.small{font-size:14px}.btn{font:inherit;border:1px solid var(--line-strong);background:var(--bg-soft);color:var(--fg);cursor:pointer;border-radius:6px;align-items:center;gap:6px;padding:5px 10px;font-size:13px;text-decoration:none;transition:border-color .15s,color .15s;display:inline-flex}.btn:hover{border-color:var(--fg-muted)}.label{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted);font-size:11px}@media (prefers-reduced-motion:reduce){.brand .cursor{animation:none}}