.grid-layout{display:grid;grid-template-columns:360px 1fr;gap:24px;margin-bottom:24px}.config-panel{background:var(--gray-50);border-radius:20px;padding:20px;max-height:650px;overflow-y:auto}.config-panel::-webkit-scrollbar{width:4px}.config-panel::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:2px}.config-section{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--gray-200)}.config-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.config-section h4{font-size:0.85rem;margin-bottom:12px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.config-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:10px}.config-row:last-child{margin-bottom:0}.config-group label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:4px}.config-group input[type="number"]{width:100%;padding:6px 10px;border:1px solid var(--gray-300);border-radius:8px;font-size:0.85rem}.config-group input[type="color"]{width:100%;height:36px;border:1px solid var(--gray-300);border-radius:8px;cursor:pointer}.config-group input[type="range"]{width:100%}.config-select{width:100%;padding:6px 10px;border:1px solid var(--gray-300);border-radius:8px;background:white;font-size:0.85rem}.config-group label input[type="checkbox"]{margin-right:6px}.custom-size-input{display:flex;align-items:center;gap:6px}.custom-size-input input{width:45%;padding:6px 8px;border:1px solid var(--gray-300);border-radius:8px;font-size:0.85rem}#opacityValue{min-width:40px;text-align:center;font-size:0.75rem;color:var(--primary-color);font-weight:600}.config-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.config-actions button{flex:1;min-width:80px}.preview-panel{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;display:flex;flex-direction:column}.preview-header{display:flex;justify-content:space-between;padding:12px 20px;background:var(--gray-50);border-bottom:1px solid var(--gray-200);font-size:0.85rem;font-weight:500;color:var(--gray-600)}.canvas-wrapper{flex:1;padding:20px;display:flex;align-items:center;justify-content:center;background:#f0f0f0;min-height:450px}#gridCanvas{max-width:100%;max-height:550px;border:1px solid var(--gray-300);border-radius:4px;background:white;box-shadow:0 2px 12px rgba(0,0,0,0.08)}.preview-footer{padding:8px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);font-size:0.7rem;color:var(--gray-500)}.quick-presets{margin-bottom:24px}.preset-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}.preset-btn{background:var(--gray-100);border:1px solid var(--gray-300);padding:8px 20px;border-radius:40px;cursor:pointer;font-size:0.85rem;transition:all 0.2s}.preset-btn:hover{background:var(--primary-color);color:white}.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}@media (max-width:1000px){.grid-layout{grid-template-columns:1fr}.config-panel{max-height:none}}@media (max-width:600px){.config-row{grid-template-columns:1fr}.config-actions{flex-direction:column}.config-actions button{flex:none}.knowledge-grid{grid-template-columns:1fr}}