:root {
  --ink: #1f2430;
  --ink-muted: #5a6172;
  --accent: #5b6cff;
  --bg: #f7f8fc;
  --panel: #ffffff;
  --border: #e6e8f0;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

header.site .logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

header.site .brand { font-weight: 800; font-size: 18px; }

h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }

.meta {
  color: var(--ink-muted);
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 24px;
}

h2 {
  font-size: 20px;
  margin: 32px 0 8px;
  padding-top: 8px;
}

p, li { color: var(--ink); }

a { color: var(--accent); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 28px 8px;
}

blockquote {
  margin: 0 0 24px;
  padding: 12px 16px;
  background: #fff8e1;
  border: 1px solid #ffe7a3;
  border-radius: 12px;
  color: #6b5b1f;
  font-size: 14px;
}

footer.site {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 13px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-home { display: flex; gap: 18px; margin: 8px 0 0; }