/* Original Mars illustration continues the same world's narrated-tour preview. */
.tour-preview-context { margin-bottom: 14px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.tour-explanation { padding: clamp(22px, 2.5vw, 36px) clamp(12px, 1.5vw, 22px); border: 1px solid var(--line); border-radius: 22px; background: #070c11; }
.tour-chapter-title { margin: 0 0 clamp(24px, 3vw, 40px); color: var(--fg); font-size: clamp(18px, 2vw, 25px); font-weight: 500; line-height: 1.3; letter-spacing: -.025em; text-align: center; }

@media (max-width: 600px) {
  .tour-preview-context { margin-bottom: 12px; font-size: 11px; }
  .tour-explanation { padding: 24px 6px; border-radius: 18px; }
  .tour-chapter-title { margin-bottom: 28px; font-size: 18px; }
}