/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #0056b3;
}

.logo span {
    color: #333;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #0056b3;
}

/* 主要内容区域 */
.main-content {
    padding-top: 100px;
    padding-bottom: 50px;
}

/* 横幅区域 */
.banner {
    background: linear-gradient(135deg, #0056b3, #00a0e9);
    color: white;
    text-align: center;
    padding: 100px 20px;
    margin-bottom: 50px;
}

.banner h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.banner p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
}

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

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    color: #0056b3;
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
}

/* 服务内容 */
.services-section {
    padding: 50px 0;
    background-color: #f8f9fa;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-content {
    padding: 20px;
}

.service-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #0056b3;
}

/* 团队介绍 */
.team-section {
    padding: 50px 0;
    background-color: #fff;
    margin-bottom: 50px;
}

/* 联系我们 */
.contact-section {
    padding: 50px 0;
    background-color: #f8f9fa;
}

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

.contact-item {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #0056b3;
}

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

.footer-content {
    margin-bottom: 20px;
}

.footer-content p {
    margin-bottom: 10px;
}

.beian-info {
    font-size: 14px;
}

.beian-info a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.beian-info a:hover {
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
    }

    nav ul {
        margin-top: 20px;
    }

    nav ul li {
        margin-left: 15px;
        margin-right: 15px;
    }

    .banner {
        padding: 60px 20px;
    }

    .banner h1 {
        font-size: 28px;
    }
}