/* 全局样式 */
body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* 顶部信息栏 */
.top-info {
    background-color: #f8f8f8;
    padding: 10px 0;
    border-bottom: 1px solid #e7e7e7;
}

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

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
}

/* 轮播图 */
.carousel {
    margin-bottom: 30px;
}

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

/* 通用样式 */
section {
    padding: 50px 0;
}

h2 {
    margin-bottom: 30px;
    font-weight: bold;
}

/* 关于我们 */
.about-section {
    background-color: #f9f9f9;
}

/* 产品中心 */
.products-section {
    background-color: #fff;
}

.product-item {
    border: 1px solid #e7e7e7;
    padding: 20px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.product-item:hover {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.product-item img {
    margin-bottom: 15px;
    height: 200px;
    object-fit: cover;
}

/* 企业优势 */
.advantages-section {
    background-color: #f9f9f9;
}

.advantage-item {
    text-align: center;
    padding: 20px;
}

.advantage-item span {
    font-size: 48px;
    color: #337ab7;
    margin-bottom: 15px;
    display: block;
}

/* 新闻资讯 */
.news-section {
    background-color: #fff;
}

.news-item {
    padding: 20px;
    border-bottom: 1px solid #e7e7e7;
}

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

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

/* 联系我们 */
.contact-section {
    background-color: #f9f9f9;
}

.contact-info {
    padding: 20px;
}

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

.contact-info p {
    margin-bottom: 10px;
}

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

footer h3 {
    margin-bottom: 20px;
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .carousel-inner > .item > img {
        height: 300px;
    }
    
    .product-item img {
        height: 150px;
    }
}