/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #2c3e50;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2em;
}

nav {
    background-color: #34495e;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline-block;
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1em;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #3498db;
}

main {
    padding: 30px 0;
}

section {
    margin-bottom: 40px;
}

h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin-top: 30px;
}

h3 {
    color: #2c3e50;
}

p {
    margin-bottom: 20px;
    text-align: justify;
}

.service-item {
    background-color: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
}

.contact-info {
    margin-top: 20px;
}

.contact-info p {
    margin: 5px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        width: 95%;
    }
    
    nav ul li {
        margin: 0 10px;
    }
}