/* 产品页面特定样式 */

/* 产品页英雄区域 */
.products-hero {
    padding: 6rem 0 4rem;
    margin-top: 4rem;
    text-align: center;
}

.products-hero .hero-content {
    max-width: 800px;
    margin: 0 auto;
}

/* 产品比较网格 */
.products-comparison {
    padding: 4rem 0;
    background: var(--color-gray-200);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card.featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--color-light);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.icon-brain, .icon-efficiency {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--color-light);
    border-radius: var(--radius-lg);
    font-size: 2.5rem;
    margin: 0 auto;
}

.product-title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.product-tagline {
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
}

.product-features {
    flex: 1;
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
}

.feature-check {
    color: var(--color-success);
    font-weight: 600;
    font-size: 1.125rem;
}

.product-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--color-gray-200);
    border-radius: var(--radius-md);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.btn-block {
    width: 100%;
    display: block;
}

/* 特性表格 */
.product-details {
    padding: 4rem 0;
}

.features-table {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: var(--gradient-primary);
    color: var(--color-light);
    font-weight: 600;
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    background: var(--color-light);
    transition: background-color var(--transition-fast);
}

.table-row:nth-child(even) {
    background: var(--color-gray-200);
}

.table-cell {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-300);
    display: flex;
    align-items: center;
}

.feature-name {
    font-weight: 600;
    color: var(--color-dark);
}

.product-name {
    text-align: center;
    font-weight: 600;
}

/* 使用场景 */
.use-cases {
    padding: 4rem 0;
    background: var(--color-gray-200);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.case-card {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.case-card:hover {
    transform: translateY(-5px);
}

.case-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.case-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.case-description {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .product-card.featured {
        transform: none;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .features-table {
        font-size: 0.875rem;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
    }
    
    .table-cell {
        padding: var(--spacing-sm);
    }
    
    .feature-name {
        background: var(--color-gray-200);
        font-weight: 600;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

@media (max-width: 480px) {
    .product-stats {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        padding: var(--spacing-lg);
    }
    
    .case-card {
        padding: var(--spacing-lg);
    }
}

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

.product-card,
.case-card,
.features-table {
    animation: fadeInUp 0.6s ease-out;
}

.product-card:nth-child(2) {
    animation-delay: 0.2s;
}

.case-card:nth-child(2) {
    animation-delay: 0.1s;
}

.case-card:nth-child(3) {
    animation-delay: 0.2s;
}

.case-card:nth-child(4) {
    animation-delay: 0.3s;
}