.compare-bar{position:fixed;bottom:-100%;left:0;right:0;background:white;box-shadow:0 -4px 12px rgba(0,0,0,0.15);z-index:9999;transition:bottom 0.3s ease;}.compare-bar.show{bottom:0;}.compare-bar.collapsed .compare-bar-body{display:none;}.compare-bar-inner{max-width:1400px;margin:0 auto;padding:0;}.compare-bar-header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-bottom:1px solid #e0e0e0;background:#f8f9fa;}.compare-bar-header h3{margin:0;font-size:16px;font-weight:600;color:#333;}.compare-bar-header .btn-icon{background:none;border:none;color:#666;cursor:pointer;font-size:18px;padding:5px 10px;transition:color 0.3s;}.compare-bar-header .btn-icon:hover{color:#333;}.compare-bar-body{padding:15px 20px;}.compare-bar-items{display:flex;gap:15px;overflow-x:auto;padding-bottom:10px;}.compare-bar-items::-webkit-scrollbar{height:6px;}.compare-bar-items::-webkit-scrollbar-track{background:#f0f0f0;}.compare-bar-items::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px;}.compare-item{display:flex;flex-direction:column;align-items:center;min-width:120px;padding:10px;background:#f8f9fa;border:1px solid #e0e0e0;border-radius:8px;position:relative;transition:all 0.3s;}.compare-item:hover{box-shadow:0 2px 8px rgba(0,0,0,0.1);}.compare-item img{width:80px;height:80px;object-fit:contain;margin-bottom:8px;}.compare-item .item-name{font-size:13px;color:#333;text-align:center;line-height:1.3;max-width:100px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}.compare-item-remove{position:absolute;top:-8px;right:-8px;width:24px;height:24px;border-radius:50%;background:#dc3545;color:white;border:2px solid white;font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.3s;}.compare-item-remove:hover{background:#c82333;transform:scale(1.1);}.compare-bar-actions{display:flex;gap:10px;justify-content:flex-end;padding:15px 20px;border-top:1px solid #e0e0e0;}.compare-bar .text-muted{color:#999;text-align:center;padding:20px;}.compare-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding:20px;background:var(--bg-card);border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.08);}.toolbar-left{flex:1;}.toolbar-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:600;color:var(--text-primary);}.toolbar-title i{color:var(--primary-color);font-size:22px;}.toolbar-left h2{margin:0;font-size:24px;font-weight:600;color:#333;}.toolbar-right{display:flex;gap:10px;}.btn-filter,.btn-export,.btn-share{padding:10px 20px;border:2px solid var(--border-light);background:var(--bg-white);color:var(--text-secondary);border-radius:20px;cursor:pointer;font-size:14px;font-weight:500;display:flex;align-items:center;gap:8px;transition:all 0.3s ease;}.btn-filter:hover,.btn-export:hover,.btn-share:hover{border-color:var(--primary-color);color:var(--primary-color);background:var(--primary-alpha-10);transform:translateY(-1px);}.btn-filter.active{background:var(--primary-color);color:var(--text-white);border-color:var(--primary-color);}.compare-table-wrapper{background:white;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.08);overflow:hidden;}.compare-table{width:100%;border-collapse:separate;border-spacing:0;table-layout:fixed;}.compare-table thead{position:sticky;top:0;background:white;z-index:10;}.compare-table thead tr{background:#f8f9fa;}.compare-table th,.compare-table td{padding:16px;text-align:left;border:1px solid #e0e0e0;}.compare-table th{font-weight:600;color:#333;}.product-header{background:#f8f9fa;}.product-header th{text-align:center;vertical-align:top;min-width:200px;}.compare-table th:first-child,.compare-table td:first-child{width:200px;min-width:150px;}.compare-table.products-2 th:not(:first-child),.compare-table.products-2 td:not(:first-child){width:calc((100% - 200px) / 2);}.compare-table.products-3 th:not(:first-child),.compare-table.products-3 td:not(:first-child){width:calc((100% - 200px) / 3);}.compare-table.products-4 th:not(:first-child),.compare-table.products-4 td:not(:first-child){width:calc((100% - 200px) / 4);}.product-cell{display:flex;flex-direction:column;align-items:center;gap:10px;}.product-image{width:150px;height:150px;object-fit:contain;}.product-name{font-size:16px;font-weight:600;color:#333;text-align:center;}.product-series{font-size:13px;color:#666;text-align:center;}.param-name{width:200px;min-width:150px;font-weight:500;background:#fafafa;}.param-group-header{background:#e3f2fd;font-weight:600;color:#1976d2;font-size:15px;}.param-group-header td{border-bottom:2px solid #1976d2;}.has-difference{background:#fff3e0;}.best-value{background:#e8f5e9;font-weight:600;position:relative;}.best-value::after{content:'✓';position:absolute;top:5px;right:5px;color:#4caf50;font-size:14px;}.btn{padding:12px 30px;border:none;border-radius:25px;font-size:14px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all 0.3s ease;text-decoration:none;position:relative;overflow:hidden;}.btn-primary{background:var(--primary-color);color:var(--text-white);}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 5px 15px var(--primary-alpha-20);}.btn-primary:disabled{opacity:0.6;cursor:not-allowed;}.btn-outline-secondary{background:transparent;border:2px solid var(--secondary-color);color:var(--secondary-color);}.btn-outline-secondary:hover{background:var(--secondary-color);color:var(--text-white);border-color:var(--secondary-color);}.empty-state{text-align:center;padding:60px 20px;}.empty-state i{font-size:64px;color:#ccc;margin-bottom:20px;}.empty-state h3{font-size:20px;color:#666;margin-bottom:10px;}.empty-state p{color:#999;margin-bottom:20px;}@media (max-width:768px){.compare-bar-items{justify-content:flex-start;}.compare-item{min-width:100px;}.compare-item img{width:60px;height:60px;}.compare-toolbar{flex-direction:column;gap:15px;align-items:stretch;}.toolbar-right{flex-wrap:wrap;}.compare-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;}.compare-table{min-width:800px;}.product-header th{min-width:150px;}.product-image{width:100px;height:100px;}}@media (max-width:480px){.compare-bar-actions{flex-direction:column;}.compare-bar-actions button{width:100%;}.toolbar-right button{flex:1;min-width:0;}}.product-selection-area{padding:30px 20px;background:var(--bg-card);border-radius:8px;margin-bottom:30px;box-shadow:0 2px 8px rgba(0,0,0,0.08);}.selection-header{text-align:center;margin-bottom:30px;}.quick-filters{background:var(--bg-light);padding:20px;border-radius:8px;margin-bottom:30px;}.filter-group{margin-bottom:15px;}.filter-label{font-size:14px;font-weight:600;color:var(--text-secondary);margin-right:15px;display:inline-block;min-width:80px;}.filter-buttons{display:inline-flex;gap:10px;flex-wrap:wrap;}.filter-btn{padding:6px 16px;border:1px solid var(--border-light);background:var(--bg-white);color:var(--text-secondary);border-radius:18px;font-size:13px;cursor:pointer;transition:all 0.3s;}.filter-btn:hover{border-color:var(--primary-color);color:var(--primary-color);}.filter-btn.active{background:var(--primary-color);color:var(--text-white);border-color:var(--primary-color);}.popular-products{padding-top:15px;border-top:1px solid var(--border-light);}.popular-chips{display:inline-flex;gap:12px;flex-wrap:wrap;}.chip{padding:8px 14px;background:var(--bg-white);border:1px solid var(--border-light);border-radius:20px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all 0.3s;}.chip:hover{background:var(--primary-alpha-10);border-color:var(--primary-color);color:var(--primary-color);transform:translateY(-1px);}.selection-header h3{font-size:24px;color:#333;margin-bottom:10px;}.selection-header p{font-size:14px;color:#666;margin:0;}.product-selectors{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-bottom:30px;}.product-selector-item{position:relative;}.product-selector-item label{display:block;font-weight:600;color:#333;margin-bottom:10px;font-size:15px;}.product-selector-item label .optional{font-weight:normal;color:#999;font-size:13px;}.custom-select-wrapper{position:relative;}.product-search-input{width:100%;padding:12px 15px;border:2px solid #ddd;border-radius:6px;font-size:14px;transition:all 0.3s;}.product-search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px 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0 6px 6px;}.search-result-item.disabled{opacity:0.5;cursor:not-allowed;background:#fafafa;}.search-result-item.disabled:hover{background:#fafafa;padding-left:15px;}.result-name{font-size:15px;font-weight:600;color:#333;margin-bottom:4px;}.result-info{display:flex;gap:15px;align-items:center;font-size:13px;}.result-series{color:#666;padding:2px 8px;background:#f0f0f0;border-radius:12px;font-size:12px;}.result-spec{color:#999;font-size:12px;}.no-results{padding:30px 15px;text-align:center;color:#999;font-size:14px;}.search-result-item.selected{background:#e8f4fd;position:relative;}.search-result-item.selected::after{content:'✓';position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--primary-color);font-size:18px;font-weight:bold;}.product-header-cell{vertical-align:top;}.product-header-cell .product-info{text-align:center;padding:10px;}.product-header-cell .product-info img{width:80px;height:80px;object-fit:contain;margin-bottom:10px;border-radius:4px;background:#f5f5f5;}.product-info{width:100%;}.product-header-cell .product-info h4{font-size:16px;font-weight:600;color:var(--bg-white);margin:0 0 5px 0;word-break:break-word;line-height:1.3;}.product-header-cell .product-info p{font-size:13px;color:#666;margin:0;padding:2px 8px;background:#f0f0f0;border-radius:12px;display:inline-block;}.product-header-cell .product-info p:empty{display:none;}.table-actions{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background:#f8f9fa;border-bottom:2px solid #e0e0e0;}.actions-left{display:flex;align-items:center;}.actions-right{display:flex;align-items:center;gap:20px;}.filter-actions{display:flex;align-items:center;}.checkbox-label{display:flex;align-items:center;cursor:pointer;font-size:14px;color:#333;user-select:none;}.checkbox-label input[type="checkbox"]{margin-right:6px;cursor:pointer;}.export-actions{display:flex;gap:10px;}.export-actions .btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;font-size:14px;}.btn-outline-primary{color:var(--primary-color);background-color:transparent;border:1px solid var(--primary-color);}.btn-outline-primary:hover{color:white;background-color:var(--primary-color);border-color:var(--primary-color);}.export-tip{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);padding:20px 40px;background:rgba(0,0,0,0.8);color:white;border-radius:8px;z-index:10000;font-size:16px;}.compare-table tbody tr.has-difference{background-color:#fffbf0;}.compare-table tbody tr.has-difference:hover{background-color:#fff8e1;}.compare-table tbody td.best-value{color:#2e7d32;font-weight:600;position:relative;}.compare-table tbody td.best-value::before{content:'★';position:absolute;left:5px;color:#ffc107;font-size:12px;}.compare-table tr.param-group-header{background:linear-gradient(to right,#f5f5f5,#e8e8e8);font-weight:600;color:#333;}.compare-table tr.param-group-header td{padding:12px 16px;font-size:15px;border-top:2px solid #ddd;text-transform:uppercase;letter-spacing:0.5px;}