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tutFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.tut-star-burst{display:flex;align-items:center;justify-content:center;width:88px;height:88px;border-radius:50%;background:linear-gradient(135deg,#fef3c7,#fde68a);box-shadow:0 4px 20px #f59e0b40;margin-bottom:4px}.tut-heading{font-size:1.3rem;font-weight:800;color:#92400e;letter-spacing:-.01em}.tut-text{font-size:.92rem;line-height:1.6;color:var(--text);max-width:380px}.tut-text--muted{color:var(--text-muted);font-size:.82rem}.tut-text--sm{font-size:.82rem;color:var(--text-muted)}.tut-board-wrap{display:flex;flex-direction:column;align-items:center;gap:6px}.tut-board{border-radius:4px;overflow:hidden;box-shadow:var(--shadow-sm)}.tut-board-caption{font-size:.78rem;color:var(--text-muted);font-weight:600}.tut-comparison{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.tut-cycle{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;padding:10px 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var(--border);border-radius:var(--radius);font-size:.85rem;line-height:1.5}.tut-tip-num{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--gold-gradient);color:#fff;font-size:.75rem;font-weight:800;flex-shrink:0}.tut-solved-banner{display:flex;align-items:center;gap:8px;justify-content:center;padding:10px 16px;background:#fbbf241f;border:1px solid rgba(251,191,36,.3);border-radius:10px;font-weight:600;color:var(--text);font-size:.95rem}.tut-error{color:#ef4444;font-size:.85rem;text-align:center;margin-top:6px;font-weight:500}.tut-nav{display:flex;justify-content:space-between;align-items:center;padding-top:20px;margin-top:auto;border-top:1px solid var(--border)}