.learning-phase{max-width:1000px;margin:0 auto;animation:fadeIn .5s ease-in}.phase-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;flex-wrap:wrap;gap:1rem}.phase-indicator.learning{background:linear-gradient(135deg,#48bb78,#38a169);color:#fff;padding:.75rem 1.5rem;border-radius:24px;font-weight:600;display:flex;align-items:center;gap:.5rem;box-shadow:0 4px 12px #48bb784d}.knowledge-card{background:#fff;padding:3rem;border-radius:20px;box-shadow:0 8px 24px #0000001a}.knowledge-header{margin-bottom:2rem;padding-bottom:2rem;border-bottom:2px solid #e2e8f0}.knowledge-title{font-size:2.5rem;color:#2d3748;margin-bottom:1rem;font-weight:700}.knowledge-meta{display:flex;gap:1rem;flex-wrap:wrap}.category-badge{padding:.5rem 1rem;background:#edf2f7;border-radius:20px;font-size:.9rem;font-weight:600;color:#2d3748}.knowledge-intro{background:linear-gradient(135deg,#f0fff4,#e6fffa);padding:2rem;border-radius:16px;margin-bottom:2rem;border-left:4px solid #48bb78}.intro-text{font-size:1.1rem;color:#2d3748;margin-bottom:1.5rem;line-height:1.6}.why-learn{background:#fff;padding:1.5rem;border-radius:12px}.why-learn strong{display:block;color:#48bb78;margin-bottom:.5rem;font-size:1.05rem}.why-learn p{margin:0;color:#4a5568;line-height:1.6}.knowledge-content{margin-bottom:3rem;line-height:1.8;color:#2d3748}.knowledge-content h1{font-size:2rem;color:#2d3748;margin-top:2.5rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid #e2e8f0}.knowledge-content h2{font-size:1.5rem;color:#2d3748;margin-top:2rem;margin-bottom:.75rem}.knowledge-content h3{font-size:1.25rem;color:#4a5568;margin-top:1.5rem;margin-bottom:.5rem}.knowledge-content p{margin-bottom:1rem}.knowledge-content ul,.knowledge-content ol{margin-bottom:1rem;padding-left:2rem}.knowledge-content li{margin-bottom:.5rem}.knowledge-content code{background:#f7fafc;padding:.2rem .4rem;border-radius:4px;font-family:Courier New,monospace;font-size:.9em;color:#e53e3e}.knowledge-content pre{background:#2d3748;color:#f7fafc;padding:1.5rem;border-radius:12px;overflow-x:auto;margin:1.5rem 0}.knowledge-content pre code{background:none;color:inherit;padding:0}.knowledge-content table{width:100%;border-collapse:collapse;margin:1.5rem 0;background:#fff;box-shadow:0 2px 8px #0000001a;border-radius:12px;overflow:hidden}.knowledge-content thead{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.knowledge-content th{padding:1rem 1.25rem;text-align:left;font-weight:600;font-size:1rem;border-bottom:2px solid #e2e8f0}.knowledge-content td{padding:.875rem 1.25rem;border-bottom:1px solid #e2e8f0;color:#2d3748}.knowledge-content tbody tr:hover{background:#f7fafc;transition:background .2s ease}.knowledge-content tbody tr:last-child td{border-bottom:none}.knowledge-content table th:not(:last-child),.knowledge-content table td:not(:last-child){border-right:1px solid #e2e8f0}.knowledge-content strong{font-weight:700;color:#1a202c}.knowledge-content em{font-style:italic;color:#4a5568}.knowledge-content blockquote{border-left:4px solid #667eea;padding-left:1.5rem;margin:1.5rem 0;color:#4a5568;font-style:italic;background:#f7fafc;padding:1rem 1rem 1rem 1.5rem;border-radius:4px}.action-section{text-align:center;padding-top:2rem;border-top:2px solid #e2e8f0}.complete-button{padding:1.25rem 3rem;background:linear-gradient(135deg,#48bb78,#38a169);color:#fff;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #48bb7866;margin-bottom:1rem}.complete-button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #48bb7880}.tip-text{color:#718096;font-size:.95rem;margin:0}.knowledge-nav{display:flex;gap:1rem;justify-content:center;margin-top:2rem;flex-wrap:wrap}.nav-dot{width:50px;height:50px;border:3px solid #e2e8f0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;color:#718096;background:#fff;transition:all .3s ease}.nav-dot.current{border-color:#48bb78;background:#48bb78;color:#fff;transform:scale(1.1)}.nav-dot.completed{border-color:#48bb78;background:#c6f6d5;color:#22543d}.completion-card{background:#fff;padding:4rem 3rem;border-radius:20px;text-align:center;box-shadow:0 8px 24px #0000001a;max-width:600px;margin:4rem auto}.completion-card.success{background:linear-gradient(135deg,#f0fff4,#c6f6d5)}.completion-icon{font-size:5rem;margin-bottom:1.5rem}.completion-card h1{font-size:2.5rem;color:#2d3748;margin-bottom:1rem}.completion-card p{font-size:1.2rem;color:#4a5568;margin-bottom:.5rem}.sub-text{color:#718096!important;font-size:1rem!important;margin-bottom:2rem!important}.action-button{padding:1.25rem 3rem;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;color:#fff}.action-button.primary{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 4px 12px #667eea66}.action-button.primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #667eea80}.action-button.success{background:linear-gradient(135deg,#48bb78,#38a169);box-shadow:0 4px 12px #48bb7866}.action-button.success:hover{transform:translateY(-2px);box-shadow:0 6px 16px #48bb7880}@media(max-width:768px){.knowledge-card,.completion-card{padding:2rem 1.5rem}.knowledge-title,.completion-card h1{font-size:2rem}.complete-button,.action-button{width:100%}.knowledge-content table{font-size:.85rem}.knowledge-content th,.knowledge-content td{padding:.6rem .75rem}}