/* 产品页面专用样式 */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.page-header .breadcrumb {
    margin-top: 20px;
    opacity: 0.8;
}

.page-header .breadcrumb a {
    color: white;
    text-decoration: none;
    margin: 0 5px;
}

.page-header .breadcrumb a:hover {
    text-decoration: underline;
}

/* 返回导航 */
.back-nav {
    background: white;
    padding: 15px 0;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.back-nav a {
    color: #4a90e2;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-nav a:hover {
    color: #357abd;
}

.back-nav i {
    margin-right: 8px;
}

/* 产品统计信息 */
.product-stats {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    text-align: center;
}

.product-stats h3 {
    color: #4a90e2;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.stat-item .number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #4a90e2;
    margin-bottom: 5px;
}

.stat-item .label {
    color: #666;
    font-size: 0.9rem;
}

/* 产品网格 */
.products-section {
    margin: 30px 0;
}

.section-title {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 220px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.product-image .placeholder {
    color: #999;
    font-size: 0.9rem;
    text-align: center;
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.4;
}

.product-category {
    color: #4a90e2;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.product-features {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
}

/* 产品特性标签 */
.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.product-tag {
    background: #e3f2fd;
    color: #1976d2;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    margin: 40px 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 10px 15px;
    margin: 0 5px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-decoration: none;
    color: #4a90e2;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination .current {
    background: #4a90e2;
    color: white;
    border-color: #4a90e2;
}

/* 联系信息 */
.contact-banner {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin: 40px 0;
}

.contact-banner h3 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-banner p {
    color: #666;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
    background: white;
    color: #4a90e2;
    border: 2px solid #4a90e2;
}

.btn-secondary:hover {
    background: #4a90e2;
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}