:root {
  --bg1: #dbeef9;
  --bg2: #eef7ec;
  --ink: #0c1a2e;
  --muted: #4d6175;
  --card: #ffffff;
  --stroke: #c2d2e0;
  --accent: #2563eb;
}

* { 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: linear-gradient(135deg, var(--bg1), var(--bg2));
  background-attachment: fixed;
  line-height: 1.6;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }

header.site {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.logo {
  width: 52px; height: 52px; border-radius: 14px; flex: 0 0 auto;
  background: linear-gradient(135deg, #2563eb, #14b8a6);
  display: grid; place-items: center;
  color: #fff; font-size: 26px; font-weight: 700;
}

.brand h1 { margin: 0; font-size: 1.4rem; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: .95rem; }

nav.pages {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 18px 0 24px;
}
nav.pages a {
  text-decoration: none; color: var(--accent);
  border: 1px solid var(--stroke); background: rgba(255,255,255,.7);
  padding: 6px 14px; border-radius: 999px; font-size: .9rem; font-weight: 600;
}
nav.pages a.current { background: var(--accent); color: #fff; border-color: var(--accent); }

.card {
  background: var(--card); border: 1px solid var(--stroke);
  border-radius: 20px; padding: 24px 26px; margin: 0 0 20px;
  box-shadow: 0 14px 40px rgba(8, 30, 60, .06);
}

.card h2 { margin: 0 0 4px; font-size: 1.5rem; }
.card h3 { margin: 22px 0 6px; font-size: 1.08rem; }
.card p, .card li { color: #1c2c40; }
.lang-label {
  display: inline-block; font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; font-weight: 700; color: var(--muted);
  border: 1px solid var(--stroke); border-radius: 6px; padding: 2px 8px; margin-bottom: 8px;
}
hr.sep { border: none; border-top: 1px solid var(--stroke); margin: 28px 0; }
.updated { color: var(--muted); font-size: .85rem; }
a { color: var(--accent); }
footer.site { color: var(--muted); font-size: .85rem; text-align: center; margin-top: 28px; }
code { background: #eef2f7; padding: 1px 6px; border-radius: 6px; font-size: .9em; }