:root {
  --bg: #0B0B0C;
  --card: #17181A;
  --text: #F5F5F7;
  --muted: #A1A1AA;
  --accent: #14B8A6;
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

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

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

.hero {
  text-align: center;
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.subtitle {
  color: var(--muted);
  margin: 0;
  font-size: 15px;
}

.links {
  display: grid;
  gap: 16px;
  margin-bottom: 48px;
}

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 22px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
}

.card h2 {
  margin: 0 0 6px;
  font-size: 18px;
  color: var(--accent);
}

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

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.doc-header {
  margin-bottom: 32px;
}

.back-link {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 16px;
}

.doc-header h1 {
  font-size: 26px;
  margin: 0 0 6px;
  color: var(--text);
}

.updated {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.section {
  margin-bottom: 28px;
}

.section h2 {
  font-size: 16px;
  color: var(--accent);
  margin: 0 0 8px;
}

.section p, .section li {
  color: #D4D4D8;
  font-size: 15px;
  white-space: pre-line;
}

.section ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.notice {
  background: rgba(20,184,166,0.08);
  border: 1px solid rgba(20,184,166,0.25);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 28px;
  white-space: pre-line;
  font-size: 14px;
  color: #D4D4D8;
}