/* =================================
   艾威启科技 - 子页面样式
   建筑材料行业特色 - 稳重灰蓝配色
   ================================= */

/* 页面头部 */
.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #455a64 0%, #263238 100%);
    color: #fff;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 20px;
    opacity: 0.9;
}

/* 内容区域 */
.content-section {
    padding: 100px 0;
    background: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: #757575;
}

/* 产品网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.product-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-content {
    padding: 28px;
}

.product-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: #212121;
    margin-bottom: 16px;
}

.product-content p {
    font-size: 15px;
    color: #757575;
    line-height: 1.6;
}

/* 响应式 */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 36px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}