/* 关于我们 */
.about-us {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text {
    margin-left: 30px;
}

.about-text h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    font-weight: 600;
}

.about-text p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 13px;
}

.about-image {
    text-align: left;
    margin-left: 80px;
}

.about-image img {
    width: 120%;
    max-width: 600px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* 统计数据 */
.statistics {
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 24px;
    font-weight: 600;
    padding: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

/* 技术优势 */
.technical-advantages {
    padding: 80px 0;
    background: #f8f9fa;
}

.advantage-content {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-number {
    font-size: 72px;
    font-weight: bold;
    color: #007bff;
    opacity: 0.3;
    line-height: 1;
}

.advantage-text h4 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.advantage-text p {
    color: #666;
    line-height: 1.8;
    font-size: 16px;
}

/* 新闻中心 */
.news-center {
    padding: 80px 0;
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
}

.news-image {
    height: 200px;
    background: #f0f0f0;
    overflow: hidden;
}

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

.news-content {
    padding: 25px;
}

.news-content h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.news-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.news-date {
    color: #999;
    font-size: 14px;
}

/* 页脚 */
.footer {
    background: #101416;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
    font-weight: 600;
}

.footer-section p {
    color: #bdc3c7;
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #fff;
}

.qr-code {
    text-align: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    background: #fff;
    padding: 10px;
    border-radius: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #050505;
    color: #bdc3c7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .advantage-content {
        flex-direction: column;
        text-align: center;
    }
    
    .advantage-number {
        font-size: 48px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 20px;
    }
    
    .section-header h3 {
        font-size: 24px;
    }
}

/* 安迪森产品页面样式 */
.products-showcase {
    padding: 40px 0;
    background-color: #f9f9f9;
}

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

@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .products-container {
        flex-direction: column;
    }
    
    .category-sidebar {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
}