/* 产品分类导航样式 */
.product-category-nav {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
    position: sticky;
    top: 56px;
    z-index: 1000;
}

.product-category-nav .nav-link {
    color: var(--bs-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 300px;
    transition: all 0.3s ease;
}

.product-category-nav .nav-link:hover {
    background-color: var(--bs-primary);
    color: white;
    transform: translateY(-2px);
}

.product-category-nav .nav-link.active {
    background-color: var(--bs-primary);
    color: white;
    box-shadow: 0 4px 10px rgba(var(--bs-primary-rgb), 0.3);
}

/* 分类区域样式 */
.category-section {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transform: translateY(0);
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.category-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.category-section h2 {
    color: var(--bs-primary);
    font-weight: 600;
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.category-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--bs-primary);
    border-radius: 3px;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .product-category-nav {
        padding: 0.8rem 0;
    }

    .product-category-nav .nav-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .category-section {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .product-category-nav {
        padding: 0.6rem 0;
    }

    .product-category-nav .nav-link {
        padding: 0.3rem 0.6rem;
        font-size: 0.85rem;
        margin: 0.2rem;
    }

    .category-section {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 400px) {
    .product-category-nav {
        padding: 0.4rem 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .product-category-nav::-webkit-scrollbar {
        display: none;
    }

    .product-category-nav .nav-link {
        padding: 0.2rem 0.4rem;
        font-size: 0.75rem;
        margin: 0.1rem;
        white-space: nowrap;
        display: inline-block;
    }

    .category-section {
        padding: 0.6rem;
        margin-bottom: 0.8rem;
    }

    .category-section h2 {
        font-size: 1.1rem;
        margin-bottom: 1.2rem;
    }
}