.progress-section{margin-bottom:24px}.progress-header{display:flex;justify-content:space-between;margin-bottom:8px;font-size:0.85rem}.progress-label{color:var(--gray-600)}.progress-text{font-weight:600;color:var(--primary-color)}.progress-bar{height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg, var(--primary-color), var(--primary-light));border-radius:3px;transition:width 0.5s ease}.status-section{text-align:center;padding:16px;margin-bottom:24px;background:var(--gray-50);border-radius:16px}.status-icon{font-size:32px;color:var(--primary-color);margin-bottom:8px}.status-text{font-size:1rem;font-weight:500;color:var(--gray-700)}.test-section{text-align:center;padding:24px;background:white;border-radius:20px;border:1px solid var(--gray-200);margin-bottom:24px}.test-container{width:280px;height:280px;margin:0 auto;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.1)}.test-container canvas{width:100%;height:100%}.test-info{margin-top:16px}.test-hint{font-size:0.9rem;color:var(--gray-600)}.test-number{font-size:0.8rem;color:var(--gray-400);margin-top:4px}.options-section{margin-bottom:24px}.option-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:12px}.option-btn{padding:16px;border:2px solid var(--gray-200);border-radius:16px;background:white;cursor:pointer;transition:all 0.2s;font-size:1.2rem;font-weight:500;text-align:center}.option-btn:hover:not(.disabled){border-color:var(--primary-color);background:var(--gray-50)}.option-btn.selected{border-color:var(--primary-color);background:#e0e7ff}.option-btn.correct{border-color:#10b981;background:#d1fae5;color:#065f46}.option-btn.wrong{border-color:#ef4444;background:#fee2e2;color:#991b1b}.option-btn.disabled{cursor:not-allowed;opacity:0.7}.option-btn .option-label{display:block;font-size:0.7rem;color:var(--gray-500);margin-top:4px}.controls-section{text-align:center;margin-bottom:24px}.start-btn{padding:12px 40px;font-size:1rem}.result-section{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;animation:fadeIn 0.5s ease}.result-header{padding:16px 20px;background:linear-gradient(135deg, var(--gray-50), #fafafa);border-bottom:1px solid var(--gray-200)}.result-header h3{font-size:1rem;display:flex;align-items:center;gap:8px}.result-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:20px}.result-card{text-align:center;padding:16px;background:var(--gray-50);border-radius:16px}.result-icon{font-size:32px;margin-bottom:8px}.result-icon.normal{color:#10b981}.result-icon.warning{color:#f59e0b}.result-icon.danger{color:#ef4444}.result-label{font-size:0.75rem;color:var(--gray-500)}.result-value{font-size:1.4rem;font-weight:700;color:var(--gray-800);margin-top:4px}.result-detail{padding:16px 20px;border-top:1px solid var(--gray-200)}.result-detail h4{font-size:0.85rem;margin-bottom:12px;color:var(--gray-700)}#detailContent{font-size:0.85rem;color:var(--gray-600);line-height:1.6}.result-actions{padding:16px 20px;border-top:1px solid var(--gray-200);display:flex;gap:12px;justify-content:center}.knowledge-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-top:20px}.knowledge-card{background:var(--gray-50);border-radius:16px;padding:20px;text-align:center}.knowledge-card i{font-size:28px;color:var(--primary-color);margin-bottom:12px}.knowledge-card h4{font-size:0.85rem;margin-bottom:8px}.knowledge-card p{font-size:0.75rem;color:var(--gray-500);line-height:1.5}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.option-grid{grid-template-columns:repeat(2, 1fr)}.result-grid{grid-template-columns:repeat(2, 1fr)}.knowledge-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.test-container{width:200px;height:200px}.option-grid{grid-template-columns:repeat(2, 1fr)}.result-grid{grid-template-columns:1fr}.knowledge-grid{grid-template-columns:1fr}.result-actions{flex-direction:column}}