.filter-title {
  font-size: 16px;
  margin: 0 0 12px 0;
  font-weight: 600;
}
.size-filter-section,
.res-filter-section,
.category-filter-section {
  margin-bottom: 24px;
}
.size-filter-buttons,
.res-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.size-btn, .res-btn {
  padding: 6px 14px;
  border: 1px solid #ccc;
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  transition: 0.2s;
}
.size-btn.active, .res-btn.active {
  background: #0066cc;
  color: #fff;
  border-color: #0066cc;
}
.catalog-card-specs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px 24px;
    margin: 30px 0;
}
.catalog-card {
    border: 1px solid #e5e7eb;
    background: #ffffff;
    transition: transform 0.24s ease, box-shadow 0.24s ease;
    display: flex;
    flex-direction: column;
}
.catalog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    border-color: #cbd5e1;
}
.catalog-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #f8fafc;
}
.catalog-card-image img {

    height: 190%;
    margin-top: -26%; ;
    object-fit: contain;
}

.catalog-card-body {
    padding: 18px 20px;
    flex-grow: 1;
}
.catalog-card-title-link {
    text-decoration: none;
}
.catalog-card-name {
    font-size: 17px;
    font-weight: 600;
    color: #0f172a;
    margin: 0 0 14px 0;
    line-height: 1.35;
}
.catalog-card-spec-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
}
.catalog-spec-item {
    display: flex;
    flex-direction: column;
}
.spec-label {
    font-size: 11px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.spec-value {
    font-size: 14px;
    font-weight: 500;
    color: #1e293b;
    margin-top: 2px;
}
.catalog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-item {
    font-size: 11px;
    padding: 3px 9px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 2px;
}
.catalog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-top: 1px solid #f1f5f9;
    margin-top: auto;
}
.card-grade {
    display: flex;
    flex-direction: column;
}
.grade-text {
    font-size: 13px;
    font-weight: 600;
    color: #0f172a;
}
.grade-desc {
    font-size: 10px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.btn-inquiry {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #0057b8;
    color: #fff;
    text-decoration: none;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.2s ease;
}
.btn-inquiry:hover {
    background: #00428c;
}
/* 筛选按钮样式 */
.filter-title {
    font-size: 16px;
    margin: 0 0 12px 0;
    font-weight: 600;
    color:#2b6cb0;
}
.size-filter-section,.res-filter-section {
    margin-bottom:24px;
}
.size-filter-buttons,.res-filter-buttons {
    display:flex;
    flex-wrap:wrap;
    gap:10px;
}
.size-btn,.res-btn {
    padding: 6px 14px;
    border: 1px solid #ccc;
    background: #fff;
    border-radius:4px;
    cursor: pointer;
    transition:0.2s;
}
.size-btn.active,.res-btn.active {
    background:#0057b8;
    color:#fff;
    border-color:#0057b8;
}
/* JS分页样式（和你截图风格匹配） */
.pagination-wrap button {
    border:1px solid #cbd5e1;
    background:#fff;
    padding:8px 14px;
    margin:0 4px;
    border-radius:4px;
    cursor:pointer;
}
.pagination-wrap button.active {
    background:#0057b8;
    color:#fff;
    border-color:#0057b8;
}
.pagination-wrap button:hover:not(.active) {
    background:#f1f5f9;
}


        
        
 

        .comparison-section{
            padding:60px 0;
            max-width:1360px;
            margin: 0 auto;
        }
        
        .comparison-table{
            width:100%;
            border-collapse:collapse;
            margin-top:30px;
        }
        .h3{font-size:clamp(1.6rem, 3vw, 2.4rem);}
        
        .comparison-table th,
        .comparison-table td{
            border:1px solid #ddd;
            padding:15px;
            text-align:left;
            vertical-align:top;
        }
        
        .comparison-table th{
            background:#f7f7f7;
            font-weight:600;
        }
        
        .table-responsive{
            overflow-x:auto;
        }
        
        .comparison-summary{
            margin-top:40px;
        }
        
        
        .specification-section{
            padding:60px 0;
        }
        
        
        .specification-table{
            width:100%;
            border-collapse:collapse;
            margin-top:30px;
        }
        
        
        .specification-table th,
        .specification-table td{
            border:1px solid #ddd;
            padding:16px;
            text-align:left;
            vertical-align:top;
            line-height:1.6;
        }
        
        
        .specification-table th{
            font-weight:600;
        }
        
        
        .table-responsive{
            overflow-x:auto;
        }
        
        
        .specification-note{
            margin-top:40px;
        }