:root {
  --bg: #0f1115;
  --bg-card: #171a21;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f5f5f7;
  --muted: #a1a1aa;
  --accent: #d4a017;
  --accent-soft: rgba(212, 160, 23, 0.12);
  --link: #7eb6ff;
  --max: 860px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #d4a017, #8b5cf6);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
}

.brand h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.02em;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero {
  background: linear-gradient(180deg, var(--bg-card), rgba(23, 26, 33, 0.6));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px 22px;
  margin-bottom: 22px;
}

.hero .tagline {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px;
}

.hero .lead {
  margin: 0;
  color: var(--muted);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 22px;
  margin-bottom: 16px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 17px;
  color: var(--accent);
}

.card h3 {
  margin: 18px 0 8px;
  font-size: 15px;
}

.card p, .card li {
  color: var(--text);
}

.card ul, .card ol {
  margin: 8px 0 0;
  padding-left: 1.25em;
}

.card li { margin: 6px 0; }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 18px;
}

.meta-item {
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--accent-soft);
  border: 1px solid rgba(212, 160, 23, 0.18);
}

.meta-item dt {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 4px;
}

.meta-item dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.pill {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 8px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
}

.site-footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.site-footer p { margin: 6px 0; }

.prose h2 {
  font-size: 20px;
  margin: 28px 0 12px;
  color: var(--accent);
}

.prose h3 {
  font-size: 16px;
  margin: 20px 0 8px;
}

.prose p, .prose li {
  color: var(--text);
}

.prose ul, .prose ol {
  padding-left: 1.25em;
}

.back-link {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 14px;
}

@media (max-width: 600px) {
  .wrap { padding: 20px 16px 40px; }
  .brand h1 { font-size: 20px; }
}