.info-rec-bg{
        background: #f7f7f7;
        padding: 60px 0 80px 0;
    }
    .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .product-grid-item {
            min-width: 0;
        }
        .product-card {
            background: #fff;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            box-shadow: var(--shadow-md);
            border-bottom: 4px solid var(--primary);
        }

        .product-thumb {
            height: 230px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .product-thumb img { height: 100%; object-fit: contain; max-width: 100%; transition: all 0.3s ease;}
        .product-info { padding: 20px 24px 28px; flex: 1; text-align: center;}
        .product-name { font-size: 24px; font-weight: 700; color: #000;margin-bottom: 8px; transition: color 0.3s ease;}
        .product-category {
            margin-bottom: 16px;
        }
        .product-spec {
            background: #F7F7F7;
            padding: 9px 9px 9px 30px;
            margin-bottom: 8px;
            text-align: left;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }
        .product-btn { 
            margin-top: 24px; 
            text-align: center;
            animation: fadeUp2 0.4s forwards;
        }

        .product-card:hover img{
            transform: scale(1.05);
        }

        .product-info .product-btn {
            display: none;
        }

        /* 悬停时 - 隐藏规格，显示按钮 */
        .product-card:hover .product-info .product-spec {
            display: none;
        }

        .product-card:hover .product-info .product-btn {
            display: block;
            margin-top: 24px;
            text-align: center;
        }
        .product-card:hover .product-name {
            color: var(--red);
        }

        @keyframes fadeUp2 {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

    /* ========== 按钮样式 ========== */
    .btn-primary {
        padding: 0 32px;
        background: #D62A29;
        color: #fff;
        text-decoration: none;
        font-weight: 600;
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
        height: 44px;
        line-height: 1;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn-primary:hover {
        background: #b81821;
        box-shadow: 0 4px 16px rgba(214, 42, 41, 0.30);
    }

    /* ========== 响应式 ========== */

    /* 小屏平板 */
    @media (max-width: 992px) {
        .product-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }

        .product-grid-item {
            display: none; /* 全部隐藏 */
        }
          
        .product-grid-item:nth-child(1),
        .product-grid-item:nth-child(2) {
            display: block; /* 只显示前2个 */
        }

        .product-thumb {
            height: 200px;
        }

        .product-name {
            font-size: 20px;
        }

        .product-info {
            padding: 16px 20px 24px;
        }
    }

    /* 手机 */
    @media (max-width: 768px) {
        .info-rec-bg {
            padding: 40px 0;
        }

        .product-thumb {
            height: 170px;
        }

        .product-name {
            font-size: 18px;
        }

        .product-info {
            padding: 14px 16px 20px;
        }

        .product-category {
            font-size: 0.75rem;
            margin-bottom: 12px;
        }

        .product-spec {
            padding: 8px 12px;
            font-size: 0.8rem;
        }

        .btn-primary {
            padding: 8px 24px;
            font-size: 13px;
        }
    }