.mt-15px{
        margin-top: 15px;
    }
    .card {
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
      margin-bottom: 15px;
    }

    .card-header {
      background-color: #f8f9fa;
      color: #212529;
      padding: 8px 12px;
      font-size: 1.2rem;
      border-bottom: 1px solid #e2e8f0;
      font-weight: 600;
    }

    .card-body {
      padding: 12px;
      overflow-y: auto;
    }

    .material-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.5rem;
    }

    .option-card {
      padding: 8px;
      text-align: center;
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.2s;
      border: 1px solid #e2e8f0;
      font-size: 0.85rem;
    }

    .option-card.selected {
      border-color: var(--primary-color);
      background-color: rgba(67, 97, 238, 0.08);
    }

    .option-card img {
      height: 50px;
      object-fit: contain;
      margin-bottom: 5px;
    }

    .sticker-preview {
      width: 100px;
      height: 100px;
      margin: 0 auto 10px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 2px dashed #cbd5e0;
      background: white;
    }

    .sticker-preview img {
      max-width: 90%;
      max-height: 90%;
    }

    .btn-option {
      width: 100%;
      text-align: left;
      padding: 6px 8px;
      margin-bottom: 4px;
      border-radius: 5px;
      border: 1px solid #e2e8f0;
      background-color: white;
      font-size: 0.85rem;
    }

    .btn-option.active {
      border-color: var(--primary-color);
      background-color: rgba(67, 97, 238, 0.1);
    }

    .custom-input-group {
      display: none;
      margin-top: 6px;
      gap: 6px;
    }

    .custom-input-group.show {
      display: flex;
    }

    .form-control-sm {
      padding: 4px 8px;
      font-size: 0.85rem;
    }

    .btn-sm {
      padding: 15px 20px;
      font-size: 0.85rem;
    }

    .size-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.5rem;
    }

    .quantity-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.5rem;
    }

    /* File upload styles */
    .file-upload-container {
      position: relative;
      margin-bottom: 10px;
    }

    .file-list {
      margin-top: 10px;
      max-height: 120px;
      overflow-y: auto;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      padding: 8px;
      background: white;
    }

    .file-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 5px;
      font-size: 0.8rem;
      border-bottom: 1px solid #f1f1f1;
    }

    .file-item:last-child {
      border-bottom: none;
    }

    .file-name {
      flex-grow: 1;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .file-remove {
      color: #dc3545;
      cursor: pointer;
      margin-left: 8px;
    }

    .file-preview {
      width: 30px;
      height: 30px;
      object-fit: contain;
      margin-right: 8px;
    }

    .file-info {
      display: flex;
      align-items: center;
      flex-grow: 1;
    }

    /* Modal styles */
    .modal-content {
      border-radius: 10px;
      border: none;
      box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .modal-header {
      border-bottom: none;
      padding: 20px 20px 0;
    }
    
    .modal-body {
      padding: 20px;
    }
    
    .modal-footer {
      border-top: none;
      padding: 0 20px 20px;
    }
    
    /* Contact form styles */
    .contact-form-items {
      padding: 20px;
    }
    
    .contact-form-items .title {
      margin-bottom: 30px;
    }
    
    .contact-form-items .title h2 {
      font-size: 28px;
      margin-bottom: 15px;
      font-weight: 700;
    }
    
    .contact-form-items .title p {
      font-size: 16px;
      color: #666;
    }
    
    .form-clt {
      margin-bottom: 20px;
    }
    
    .form-clt input,
    .form-clt textarea {
      width: 100%;
      padding: 12px 15px;
      border: 1px solid #ddd;
      border-radius: 5px;
      font-size: 15px;
      transition: all 0.3s;
    }
    
    .form-clt input:focus,
    .form-clt textarea:focus {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
    }
    
    .form-clt textarea {
      min-height: 150px;
      resize: vertical;
    }
    
    .stkr-main-container {
  container-type: inline-size;  /* 启用容器查询 */
  container-name: sticker-container; /* 可选，命名容器 */
}






@container (max-width: 759px) {
  /* 强制所有列变为100%宽度 */
  .row.g-2 > [class^="col-"],
  .row.g-2 > [class*=" col-"] {
    width: 100% !important;
    max-width: 100% !important;
    flex: 0 0 100% !important;
  }
  
  /* 调整网格布局 */
  .stkr-material-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  .stkr-size-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  /* 移除固定高度 */
  .row.g-2[style*="height: 740px"] {
    height: auto !important;
  }
  
  /* 调整间距 */
  .stkr-card {
    margin-bottom: 10px;
  }
}


/* 容器查询 - 父容器宽度<760px时的样式 */
@container (max-width: 759px) {
  .row.g-2 > [class^="col-"],
  .row.g-2 > [class*=" col-"] {
    width: 100% !important;
    max-width: 100% !important;
    flex: 0 0 100% !important;
  }
  
  /* 移除固定高度让内容决定高度 */
  .row.g-2[style*="height: 740px"] {
    height: auto !important;
    min-height: 100%; /* 确保最小高度 */
  }
  
  /* 其他响应式调整... */
}
    #biaodan {
  scroll-margin-top: 150px; /* 滚动后距离顶部150px */
}