body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    color: #333;
    background-color: #f5f5f5;
}

/* 导航栏样式 */
.navbar {
    margin-bottom: 0;
}

/* 轮播图样式 */
.carousel {
    margin-top: 50px;
}

.carousel-inner img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* 产品展示样式 */
.products-section {
    padding: 50px 0;
    background-color: #fff;
}

.products-section h2 {
    margin-bottom: 30px;
    color: #333;
}

.product-item {
    text-align: center;
    padding: 20px;
    margin-bottom: 30px;
}

.product-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
}

.product-item h3 {
    margin-bottom: 15px;
    color: #333;
}

.product-item p {
    margin-bottom: 20px;
    color: #666;
}

/* 关于我们样式 */
.about-section {
    padding: 50px 0;
    background-color: #f8f8f8;
}

.about-section h2 {
    margin-bottom: 30px;
    color: #333;
}

.about-section p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.about-section img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

/* 新闻资讯样式 */
.news-section {
    padding: 50px 0;
    background-color: #fff;
}

.news-section h2 {
    margin-bottom: 30px;
    color: #333;
}

.news-item {
    padding: 20px;
    margin-bottom: 30px;
}

.news-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
}

.news-item h3 {
    margin-bottom: 10px;
    color: #333;
}

.news-item .date {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-item p {
    margin-bottom: 20px;
    color: #666;
}

/* 联系我们样式 */
.contact-section {
    padding: 50px 0;
    background-color: #f8f8f8;
}

.contact-section h2 {
    margin-bottom: 30px;
    color: #333;
}

.contact-section .form-group {
    margin-bottom: 20px;
}

.contact-info {
    padding: 20px;
}

.contact-info h3 {
    margin-bottom: 20px;
    color: #333;
}

.contact-info p {
    margin-bottom: 15px;
    color: #666;
}

.contact-info i {
    margin-right: 10px;
    color: #337ab7;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 30px 0;
}

footer h3 {
    margin-bottom: 20px;
    color: #fff;
}

footer p {
    margin-bottom: 15px;
    color: #ccc;
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    margin-bottom: 10px;
}

footer ul li a {
    color: #ccc;
    text-decoration: none;
}

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

.footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #444;
}

.footer-bottom p {
    color: #999;
}

/* 响应式样式 */
@media (max-width: 768px) {
    .carousel-inner img {
        height: 300px;
    }
    
    .product-item, .news-item {
        margin-bottom: 20px;
    }
    
    .about-section img {
        margin-top: 20px;
    }
}

/* 加载动画 */
.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}