:root {
  --text: #475569;
  --text-2: #5f6b7a;
  --text-3: #717d8d;
  --line: #e5e9ef;
  --line-soft: #f0f2f5;
  --bg: #fff;
  --bg-page: #f7f9fb;
  --hover: #f5f7fa;
  --accent: #466fc0;
  --accent-hover: #3b60ab;
  --warn: #95692f;
  --warn-bg: #faf5eb;
  --ok: #39745f;
  --ok-bg: #eff6f2;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  font: 14px/1.65 system-ui, -apple-system, "PingFang SC", sans-serif;
  color: var(--text);
  background: var(--bg-page);
}

.top {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.top-inner, .wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand img { width: 28px; height: 28px; border-radius: 6px; }
nav { display: flex; gap: 4px; }
nav a {
  color: var(--text-2);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
}
nav a:hover { background: var(--hover); color: var(--text); }
nav a.on { color: var(--text); font-weight: 600; }

.wrap { padding-top: 36px; padding-bottom: 72px; }

.hero {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}
.hero img { width: 56px; height: 56px; border-radius: 12px; flex: none; }
h1 { margin: 0 0 4px; font-size: 22px; font-weight: 650; letter-spacing: -0.03em; color: #334155; }
.lead { margin: 0; color: var(--text-3); }
.page-lead { margin: 0 0 22px; }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}
.pill {
  font-size: 12px;
  color: var(--text-2);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
  font-variant-numeric: tabular-nums;
}
.pill.ok { color: var(--ok); background: var(--ok-bg); border-color: transparent; }
.pill:empty { display: none; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.actions-tight { margin: 14px 0 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}
.btn:hover { background: var(--hover); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }

.note {
  color: var(--warn);
  background: var(--warn-bg);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin: 0 0 28px;
}
.note a { color: inherit; }

section {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 14px;
}
h2 { margin: 0 0 10px; font-size: 13px; font-weight: 650; color: #334155; }
ol, p { margin: 0; }
ol { padding-left: 18px; }
ol li + li { margin-top: 6px; }
.muted { color: var(--text-3); font-size: 13px; }
.hint { margin-top: 12px; }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}
code {
  background: var(--line-soft);
  padding: 1px 5px;
  border-radius: 4px;
}
pre {
  margin: 8px 0 0;
  background: var(--bg-page);
  border-radius: 8px;
  padding: 12px 14px;
  overflow: auto;
  line-height: 1.5;
}
.row { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; padding: 8px 0; border-top: 1px solid var(--line-soft); }
.row:first-of-type { border-top: 0; padding-top: 0; }
.row span { color: var(--text-3); }
.row a, a { color: var(--accent); }
.row strong { font-weight: 500; font-variant-numeric: tabular-nums; color: var(--text); word-break: break-all; text-align: right; }