:root {
  --bg: #001a3d;
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 215, 0, 0.2);
  --gold: #ffd700;
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.62);
}

* {
  box-sizing: border-box;
}

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

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

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  border: 1px solid var(--border);
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.nav a {
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 215, 0, 0.08);
  font-size: 0.85rem;
  font-weight: 600;
}

.nav a.active {
  background: var(--gold);
  color: #001a3d;
}

.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 18px;
}

h2 {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 1.2rem;
}

h3 {
  margin: 18px 0 8px;
  font-size: 1rem;
}

p,
li {
  color: var(--muted);
  font-size: 0.95rem;
}

ul,
ol {
  padding-left: 1.2rem;
}

.updated {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 18px;
}

.lang-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.lang-tabs button {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 700;
}

.lang-tabs button.active {
  background: var(--gold);
  color: #001a3d;
}

.lang-panel {
  display: none;
}

.lang-panel.active {
  display: block;
}

.footer {
  margin-top: 28px;
  text-align: center;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .wrap {
    padding: 20px 14px 36px;
  }

  .card {
    padding: 16px;
  }
}