:root {
  --bg: oklch(1 0 0);
  --fg: oklch(0.145 0 0);
  --muted-fg: oklch(0.45 0 0);
  --muted: oklch(0.97 0 0);
  --border: oklch(0.93 0 0);
  --primary: oklch(0.692 0.141 243.716);
  --code-bg: oklch(0.2 0.02 262);
  --code-fg: oklch(0.95 0 0);
  --warn: oklch(0.75 0.15 70);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: oklch(0.07 0.02 262);
    --fg: oklch(0.985 0 0);
    --muted-fg: oklch(0.7 0 0);
    --muted: oklch(0.22 0.035 262 / 0.4);
    --border: oklch(0.28 0.03 262);
    --primary: oklch(0.546 0.215 262.88);
    --code-bg: oklch(0.13 0.02 262);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: var(--primary); }
.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; height: 56px; padding: 0 20px; background: var(--bg); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.brand span { font-weight: 400; color: var(--muted-fg); margin-left: 6px; }
.top-links { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }
.top-links a { text-decoration: none; }
.menu-btn { display: none; border: 1px solid var(--border); background: none; color: var(--fg); border-radius: 8px; padding: 2px 10px; font-size: 16px; }
.layout { display: flex; max-width: 1200px; margin: 0 auto; }
.side { flex: 0 0 220px; position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto; padding: 20px 12px; border-right: 1px solid var(--border); }
.side-group { margin: 16px 8px 4px; font-size: 12px; color: var(--muted-fg); }
.side a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--fg); text-decoration: none; font-size: 14px; }
.side a.active { background: var(--muted); color: var(--primary); font-weight: 600; }
main { flex: 1; min-width: 0; padding: 28px 40px 80px; }
main h1 { font-size: 28px; margin: 0 0 8px; }
main h2 { font-size: 20px; margin: 32px 0 8px; padding-top: 8px; border-top: 1px solid var(--border); }
main code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
:not(pre) > code { background: var(--muted); padding: 1px 6px; border-radius: 6px; overflow-wrap: anywhere; }
.code-wrap { position: relative; margin: 12px 0; }
pre { margin: 0; padding: 14px 16px; overflow-x: auto; background: var(--code-bg); color: var(--code-fg); border-radius: var(--radius); }
.copy { position: absolute; top: 8px; right: 8px; border: 1px solid oklch(1 0 0 / 0.2); background: oklch(1 0 0 / 0.08); color: var(--code-fg); border-radius: 6px; padding: 2px 10px; font-size: 12px; cursor: pointer; }
.tabs { margin: 12px 0; }
.tab-bar { display: flex; gap: 4px; }
.tab-bar button { border: 1px solid var(--border); border-bottom: none; background: var(--bg); color: var(--muted-fg); border-radius: 8px 8px 0 0; padding: 6px 14px; cursor: pointer; font-size: 13px; }
.tab-bar button[aria-selected="true"] { background: var(--muted); color: var(--fg); font-weight: 600; }
.tab-panel .code-wrap { margin-top: 0; }
.tab-panel pre { border-top-left-radius: 0; }
.note { margin: 12px 0; padding: 10px 14px; border-left: 3px solid var(--primary); background: var(--muted); border-radius: 0 8px 8px 0; }
.note.warn { border-left-color: var(--warn); }
.shot { display: block; max-width: 100%; height: auto; margin: 12px 0; border: 1px solid var(--border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
@media (max-width: 768px) {
  .menu-btn { display: block; }
  .top { padding: 0 16px; }
  .top-links { display: none; }
  .side { display: none; position: fixed; inset: 56px 0 0 0; z-index: 9; background: var(--bg); border-right: none; }
  body.menu-open .side { display: block; }
  main { padding: 20px 16px 60px; }
}