/* Guide pages: the home page's colors and type, no scripts. */
:root{--bg:#ffffff;--fg:#1f2328;--muted:#59636e;--card:#f6f8fa;--line:#d1d9e0;--accent:#1f6feb;--green:#1a7f37;--red:#cf222e;--code:#0d1117;--code-fg:#e6edf3}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#0d1117;--fg:#e6edf3;--muted:#9198a1;--card:#151b23;--line:#3d444d;--accent:#4493f8;--green:#3fb950;--red:#f85149;--code:#010409}}
:root[data-theme="dark"]{--bg:#0d1117;--fg:#e6edf3;--muted:#9198a1;--card:#151b23;--line:#3d444d;--accent:#4493f8;--green:#3fb950;--red:#f85149;--code:#010409}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:12px;flex-wrap:wrap}
.brand{font-weight:700;color:var(--fg)}
nav{display:flex;gap:16px;align-items:center;font-size:14px}
nav a{color:var(--muted)}
main{padding:28px 0 48px}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 10px}
h1{font-size:clamp(28px,4.4vw,40px);line-height:1.2;margin:0 0 14px;letter-spacing:-.01em}
.lead{font-size:clamp(17px,2.2vw,19px);color:var(--muted);margin:0 0 22px}
h2{font-size:24px;line-height:1.3;margin:40px 0 10px}
h3{font-size:18px;margin:24px 0 6px}
p,li{max-width:76ch}
ul,ol{padding-left:22px}
li{margin:4px 0}
table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0 6px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:13px}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table-wrap{overflow-x:auto}
.table-wrap td:first-child{min-width:11em}
pre{background:var(--code);color:var(--code-fg);border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:14px;line-height:1.55}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
p code,li code,td code{background:var(--card);border:1px solid var(--line);border-radius:5px;padding:0 4px}
img.chart{width:100%;border-radius:10px;border:1px solid var(--line);background:#fff;margin:8px 0}
.note{font-size:15px;color:var(--muted)}
.box{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:18px 0}
.box p{margin:6px 0}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 6px}
.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid var(--line);color:var(--fg);background:var(--card);font-weight:600;font-size:15px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn:hover{text-decoration:none;filter:brightness(1.05)}
.more{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:14px}
.more a{display:block;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:var(--card);color:var(--fg)}
.more a span{display:block;font-size:14px;color:var(--muted)}
footer{padding:26px 0 44px;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}