/* 产品页面样式 */
.page-header {
    background-color: var(--primary-color);
    color: white;
    padding: 80px 0;
    text-align: center;
    margin-top: var(--header-height);
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 产品分类导航 */
.product-nav {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: var(--header-height);
    z-index: 100;
}

.product-tabs {
    display: flex;
    justify-content: center;
    padding: 15px 0;
}

.product-tabs li {
    margin: 0 15px;
}

.product-tabs a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    padding: 5px 0;
    position: relative;
}

.product-tabs a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.product-tabs li.active a {
    color: var(--primary-color);
}

.product-tabs li.active a:after,
.product-tabs a:hover:after {
    width: 100%;
}

/* 产品列表 */
.product-list {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* 咨询服务 */
.consultation-section {
    background-color: var(--light-color);
    padding: 80px 0;
    text-align: center;
}

.consultation-content {
    max-width: 700px;
    margin: 0 auto;
}

.consultation-content h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.consultation-content p {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--text-light);
}

/* 产品详情页样式 */
.product-detail-header {
    background-color: var(--primary-color);
    color: white;
    padding: 100px 0 50px;
    margin-top: var(--header-height);
}

.product-detail-header .container {
    display: flex;
    align-items: center;
}

.product-detail-content {
    width: 60%;
    padding-right: 50px;
}

.product-detail-content h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.product-detail-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.product-detail-image {
    width: 40%;
}

.product-detail-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.product-features {
    padding: 80px 0;
}

.product-features h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-light);
}

.product-advantages {
    padding: 80px 0;
    background-color: var(--light-color);
}

.product-advantages h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
}

.advantages-list {
    max-width: 800px;
    margin: 0 auto;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.advantage-icon {
    width: 50px;
    height: 50px;
    margin-right: 20px;
    flex-shrink: 0;
}

.advantage-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.advantage-content p {
    font-size: 16px;
    color: var(--text-light);
}

.product-cases {
    padding: 80px 0;
}

.product-cases h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.case-content p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.case-content .industry {
    display: inline-block;
    font-size: 14px;
    color: var(--text-light);
    background-color: var(--light-color);
    padding: 5px 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.product-cta {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.product-cta h2 {
    font-size: 30px;
    margin-bottom: 20px;
}

.product-cta p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-white {
    background-color: white;
    color: var(--primary-color);
}

.btn-white:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.btn-outline-white {
    border: 2px solid white;
    color: white;
}

.btn-outline-white:hover {
    background-color: white;
    color: var(--primary-color);
}

/* 响应式适配 */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .product-detail-header .container {
        flex-direction: column;
    }
    
    .product-detail-content, .product-detail-image {
        width: 100%;
        padding-right: 0;
    }
    
    .product-detail-content {
        margin-bottom: 30px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-tabs {
        flex-wrap: wrap;
    }
    
    .product-tabs li {
        margin: 5px 10px;
    }
    
    .products-grid, .features-grid, .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-item {
        flex-direction: column;
    }
    
    .advantage-icon {
        margin-bottom: 15px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}