.parent-section{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:16px}.parent-card{background:var(--gray-50);border-radius:20px;padding:20px;border:1px solid var(--gray-200);transition:all 0.3s}.parent-card:hover{border-color:var(--primary-light);box-shadow:0 4px 12px rgba(0,0,0,0.05)}.parent-header{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1rem;margin-bottom:16px;color:var(--gray-700)}.parent-header i{font-size:1.2rem}.parent-header .fa-male{color:#3b82f6}.parent-header .fa-female{color:#ec4899}.blood-type-selector{display:flex;gap:10px;margin-bottom:12px}.blood-btn{flex:1;padding:10px 0;border:2px solid var(--gray-300);border-radius:12px;background:white;cursor:pointer;font-size:0.9rem;font-weight:500;transition:all 0.2s}.blood-btn:hover{border-color:var(--primary-color)}.blood-btn.active{border-color:var(--primary-color);background:var(--primary-color);color:white}.blood-btn.active[data-type="A"]{background:#3b82f6;border-color:#3b82f6}.blood-btn.active[data-type="B"]{background:#10b981;border-color:#10b981}.blood-btn.active[data-type="AB"]{background:#8b5cf6;border-color:#8b5cf6}.blood-btn.active[data-type="O"]{background:#f59e0b;border-color:#f59e0b}.genotype-display{font-size:0.85rem;color:var(--gray-600)}.genotype-value{font-weight:600;color:var(--primary-color);font-family:monospace;font-size:1rem}.swap-section{text-align:center;margin:16px 0 24px}.swap-btn{background:var(--gray-100);border:1px solid var(--gray-300);padding:8px 24px;border-radius:40px;cursor:pointer;font-size:0.85rem;transition:all 0.2s}.swap-btn:hover{background:var(--primary-color);color:white}.reference-section{background:var(--gray-50);border-radius:20px;padding:20px;margin-bottom:24px}.reference-header{font-weight:600;margin-bottom:12px;color:var(--gray-700)}.reference-table-wrapper{overflow-x:auto}.reference-table{width:100%;border-collapse:collapse;font-size:0.85rem}.reference-table th,.reference-table td{padding:10px 14px;text-align:center;border:1px solid var(--gray-200)}.reference-table th{background:white;font-weight:600}.reference-table td{background:white}.reference-note{margin-top:12px;font-size:0.75rem;color:var(--gray-500)}.result-section{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px}.result-header{padding:14px 20px;background:linear-gradient(135deg, var(--gray-50), #fafafa);border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center;font-weight:600}.result-tag{font-size:0.75rem;padding:4px 12px;border-radius:20px;background:var(--primary-color);color:white}.result-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:12px;padding:20px}.result-blood-card{text-align:center;padding:16px;border-radius:16px;background:var(--gray-50);border:2px solid var(--gray-200);transition:all 0.3s}.result-blood-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.08)}.result-blood-card .blood-type{font-size:1.8rem;font-weight:700}.result-blood-card .blood-probability{font-size:0.8rem;color:var(--gray-500);margin-top:4px}.result-blood-card .blood-percent{font-size:0.7rem;color:var(--primary-color);font-weight:600}.result-blood-card.type-A{border-color:#3b82f6}.result-blood-card.type-A .blood-type{color:#3b82f6}.result-blood-card.type-B{border-color:#10b981}.result-blood-card.type-B .blood-type{color:#10b981}.result-blood-card.type-AB{border-color:#8b5cf6}.result-blood-card.type-AB .blood-type{color:#8b5cf6}.result-blood-card.type-O{border-color:#f59e0b}.result-blood-card.type-O .blood-type{color:#f59e0b}.result-detail{padding:16px 20px;border-top:1px solid var(--gray-200);font-size:0.85rem;color:var(--gray-600);line-height:1.8}.result-detail strong{color:var(--gray-700)}.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}.disclaimer{margin-top:24px;padding:16px 20px;background:#fef3c7;border-radius:16px;display:flex;gap:12px;align-items:flex-start}.disclaimer i{font-size:20px;color:#f59e0b;margin-top:2px}.disclaimer strong{display:block;font-size:0.85rem;color:#92400e}.disclaimer p{font-size:0.75rem;color:#78350f;line-height:1.5;margin-top:4px}@media (max-width:900px){.parent-section{grid-template-columns:1fr}.result-grid{grid-template-columns:repeat(2, 1fr)}.knowledge-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.blood-type-selector{flex-wrap:wrap}.blood-btn{flex:0 0 calc(44%)}.result-grid{grid-template-columns:1fr}.knowledge-grid{grid-template-columns:1fr}}