.guide-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 64px;
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 36px;
  align-items: start;
}

.guide-main h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin: 28px 0 10px;
}

.guide-main p {
  margin-bottom: 14px;
  max-width: 68ch;
}

.guide-main ul {
  margin: 10px 0 18px 1.2em;
}

.guide-rail {
  position: sticky;
  top: 80px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 8px 22px rgba(28, 25, 23, 0.06);
}

.guide-rail h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--accent);
}

.guide-rail ol {
  margin-left: 1.1em;
  color: var(--muted);
  font-size: 0.9rem;
}

.guide-rail li {
  margin-bottom: 8px;
}

.guide-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0;
}

.guide-mosaic .decor-wrap {
  border-radius: 14px;
}

.guide-callout {
  background: rgba(34, 120, 68, 0.08);
  border-left: 4px solid rgba(34, 120, 68, 0.65);
  padding: 16px 18px;
  border-radius: 0 12px 12px 0;
  margin: 20px 0;
}

@media (max-width: 860px) {
  .guide-shell {
    grid-template-columns: 1fr;
  }

  .guide-rail {
    position: static;
  }

  .guide-mosaic {
    grid-template-columns: 1fr;
  }

  .guide-mosaic .decor-wrap {
    max-width: 100%;
    overflow: hidden;
  }

  .guide-mosaic .decor-img {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 220px;
  }
}