.guide-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 48px 96px;
}

.guide-header { margin-bottom: 48px; }
.guide-header h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(32px, 4vw, 52px);
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 16px 0 20px;
}
.guide-deck {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
}

.guide-body h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(22px, 2.5vw, 28px);
  color: var(--fg);
  margin: 48px 0 16px;
  line-height: 1.2;
}
.guide-body p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.guide-body strong { color: var(--fg); font-weight: 600; }

.guide-cta-block {
  margin-top: 64px;
  padding: 40px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-align: center;
}
.guide-cta-block p {
  font-size: 17px;
  color: var(--fg-muted);
  margin-bottom: 24px;
  line-height: 1.65;
}
.guide-cta-note {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 12px;
}

.changelog-entries {
  margin-top: 16px;
}
.changelog-entry {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.changelog-entry:last-child {
  border-bottom: none;
}
.changelog-entry time {
  display: block;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.changelog-entry h2 {
  margin-top: 0;
}
.changelog-try {
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 16px;
}
.changelog-try a { color: var(--accent); }

@media (max-width: 640px) {
  .guide-article { padding: 56px 24px 72px; }
  .guide-cta-block { padding: 28px 20px; }
  .changelog-entry { padding: 24px 0; }
}