/*********************************************
					filter
 *********************************************/
  .filter-section {
    min-height: 10px; /* 保证垂直高度，让模块不贴顶 */
    display: flex;
    align-items: center; /* 垂直居中 */
    padding: 0.1rem 0; /* 上下大间距，强化居中视觉 */
  }
  .filter-card {
    background: white;
    border-radius: 0.1rem;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    margin: 0 auto; 
    max-width: 700px; 
    width: 100%; 
  }
  .filter-card:hover {
    box-shadow: 0 15px 40px -10px rgba(0,0,0,0.15);
  }
  .product-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    border-radius: 0.1rem;
    overflow: hidden;
    background: white;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  }
  .product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -10px rgba(0,0,0,0.15);
  }
  .product-card img {
    height: 400px;
    object-fit: cover;
    width: 100%;
    transition: transform 0.3s ease;
  }
  .product-card:hover img {
    transform: scale(1.02);
  }
  .product-card .details {
    /* padding: 1.2rem 1rem 1rem; */
  }
  .product-card .details h3 a {
    color: #2c3e50;
    font-weight: 600;
    text-align: center; 
    display: block; 
    transition: color 0.2s;
  }
  .product-card .details h3 a:hover {
    color: #0d6efd;
    text-decoration: underline !important;
  }
  .weight-badge {
    background: #f8f9fa;
    border-radius: 2rem;
    padding: 0.3rem 1rem;
    font-size: 0.9rem;
    color: #495057;
    display: inline-block;
    border: 1px solid #e9ecef;
  }
  .form-select-lg {
    border-radius: 0.1rem;
    border: 2px solid #5c5c5c;
    padding: 0.1rem 0.5rem; 
    background-position: right 1rem center;
    width: 100%; 
  }
  .form-select-lg:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13,110,253,0.1);
  }
  .empty-state {
    background: #f8f9fa;
    border-radius: 0.2rem;
    padding: 3rem 1.5rem;
    text-align: center;
  }
  .empty-state i {
    font-size: 3rem;
    color: #adb5bd;
    margin-bottom: 1rem;
  }
  @media (max-width: 768px) {
    .filter-section {
      min-height: 250px;
      padding: 2rem 0;
    }
    .filter-card {
      padding: 1.5rem !important;
      max-width: 95%;
    }
  }