/* 全局样式 */
body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f5f5f5;
}

/* 顶部信息栏 */
.top-info {
    background-color: #2c3e50;
    color: #fff;
    padding: 10px 0;
}

/* 导航栏 */
.navbar {
    margin-bottom: 0;
    background-color: #34495e;
    border: none;
    border-radius: 0;
}

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
    color: #fff !important;
}

.navbar-nav > li > a {
    color: #ecf0f1 !important;
}

.navbar-nav > li > a:hover,
.navbar-nav > li > a:focus {
    background-color: #2c3e50 !important;
    color: #fff !important;
}

.navbar-nav > .active > a,
.navbar-nav > .active > a:hover,
.navbar-nav > .active > a:focus {
    background-color: #e67e22 !important;
    color: #fff !important;
}

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

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

.carousel-caption {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 5px;
}

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

h2 {
    margin-bottom: 30px;
    font-weight: bold;
    color: #2c3e50;
}

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

.about-section h2 {
    color: #2c3e50;
}

/* 产品中心 */
.products-section {
    background-color: #f5f5f5;
    padding: 50px 0;
}

.product-item {
    background-color: #fff;
    border: 1px solid #e7e7e7;
    padding: 20px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.product-item:hover {
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.product-item img {
    margin-bottom: 15px;
    height: 180px;
    object-fit: cover;
    border-radius: 5px;
}

.product-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

/* 企业优势 */
.advantages-section {
    background-color: #34495e;
    color: #fff;
    padding: 50px 0;
}

.advantages-section h2 {
    color: #fff;
}

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

.advantage-item span {
    font-size: 48px;
    color: #e67e22;
    margin-bottom: 15px;
    display: block;
}

.advantage-item h3 {
    color: #ecf0f1;
    margin-bottom: 10px;
}

/* 成功案例 */
.cases-section {
    background-color: #fff;
    padding: 50px 0;
}

.case-item {
    border: 1px solid #e7e7e7;
    padding: 15px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

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

.case-item img {
    margin-bottom: 15px;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
}

.case-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

/* 新闻资讯 */
.news-section {
    background-color: #f5f5f5;
    padding: 50px 0;
}

.news-item {
    background-color: #fff;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.05);
}

.news-item h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.news-item h3 a {
    color: #2c3e50;
    text-decoration: none;
}

.news-item h3 a:hover {
    color: #e67e22;
}

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

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

.contact-info {
    padding: 20px;
    background-color: #f5f5f5;
    border-radius: 5px;
}

.contact-info h3 {
    margin-bottom: 20px;
    color: #2c3e50;
}

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

.contact-info p span {
    color: #e67e22;
    margin-right: 10px;
}

/* 页脚 */
footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 30px 0;
}

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

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

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

footer ul li a {
    color: #bdc3c7;
    text-decoration: none;
}

footer ul li a:hover {
    color: #e67e22;
}

footer .text-center {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* 按钮样式 */
.btn-primary {
    background-color: #e67e22;
    border-color: #d35400;
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #d35400;
    border-color: #a04000;
    color: #fff;
}

.btn-default {
    background-color: #34495e;
    border-color: #2c3e50;
    color: #fff;
}

.btn-default:hover,
.btn-default:focus {
    background-color: #2c3e50;
    border-color: #1a252f;
    color: #fff;
}

/* 表单样式 */
.form-control {
    border-radius: 0;
    border: 1px solid #ddd;
}

.form-control:focus {
    border-color: #e67e22;
    box-shadow: 0 0 5px rgba(230, 126, 34, 0.2);
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #ecf0f1;
    border-radius: 0;
    margin-bottom: 30px;
    padding: 10px 15px;
}

.breadcrumb > li > a {
    color: #2c3e50;
}

.breadcrumb > .active {
    color: #e67e22;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .carousel-inner > .item > img {
        height: 300px;
    }
    
    .product-item img,
    .case-item img {
        height: 150px;
    }
    
    .advantage-item span {
        font-size: 36px;
    }
}