:root{--bg:#faf9f7;--surface:#fff;--text:#1b1917;--text-dim:#6b6560;--border:#e7e3dd;--accent:#7d6a50;--callout-bg:#f5f1ea;--callout-border:#e0d6c6;--radius:14px;--measure:44rem}@media (prefers-color-scheme:dark){:root{--bg:#121110;--surface:#1b1917;--text:#efece7;--text-dim:#a29a90;--border:#302c28;--accent:#ccb899;--callout-bg:#1f1c18;--callout-border:#3a342c}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.75}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.page{max-width:var(--measure);margin:0 auto;padding:3.5rem 1.25rem 5rem}.langbar{color:var(--text-dim);align-items:center;gap:.5rem;margin-bottom:2.25rem;font-size:.875rem;display:flex}.langbar .sep{opacity:.4}.langbar .current{color:var(--text);font-weight:600}h1{letter-spacing:-.015em;margin:0 0 .5rem;font-size:clamp(1.75rem,5vw,2.25rem);line-height:1.25}.updated{color:var(--text-dim);margin:0 0 2.5rem;font-size:.875rem}h2{letter-spacing:-.005em;border-top:1px solid var(--border);margin:2.75rem 0 .75rem;padding-top:1.75rem;font-size:1.125rem;line-height:1.4}section:first-of-type h2{border-top:none;margin-top:2rem;padding-top:0}p{margin:0 0 1rem}ul{margin:0 0 1rem;padding-left:1.35rem}li{margin-bottom:.4rem}li::marker{color:var(--text-dim)}strong{font-weight:650}.callout{background:var(--callout-bg);border:1px solid var(--callout-border);border-radius:var(--radius);margin:0 0 2rem;padding:1.125rem 1.25rem}.callout p:last-child{margin-bottom:0}.tablewrap{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:0 0 1.25rem;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:30rem;font-size:.9375rem}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:.75rem 1rem}tr:last-child th,tr:last-child td{border-bottom:none}th{white-space:nowrap;font-weight:600}td code,th code{background:var(--bg);border:1px solid var(--border);border-radius:5px;padding:.1em .35em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.875em}footer{border-top:1px solid var(--border);color:var(--text-dim);margin-top:4rem;padding-top:1.75rem;font-size:.875rem}.brand{align-items:center;gap:.625rem;margin-bottom:2rem;display:flex}.brand img{width:34px;height:34px;display:block}.brand .name{letter-spacing:-.01em;color:var(--text);font-size:1.0625rem;font-weight:650}.hero{text-align:center;padding:1rem 0 0}.hero img{width:92px;height:92px;margin:0 auto 1.25rem;display:block}.hero h1{margin-bottom:.75rem}.hero p{color:var(--text-dim);font-size:1.0625rem}.cardlist{gap:.75rem;margin:2rem 0 0;padding:0;list-style:none;display:grid}.cardlist a{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:1rem 1.25rem;text-decoration:none;display:block}.cardlist a:hover{border-color:var(--accent);text-decoration:none}.cardlist .title{font-weight:600}.cardlist .sub{color:var(--text-dim);font-size:.875rem}