/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f5f5f5;
}

/* 页眉样式 */
header {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header p {
    margin: 0.5rem 0 0;
    font-size: 1.2rem;
}

/* 主体内容样式 */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

h2 {
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

/* 链接样式 */
a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 1rem 0;
    background-color: #2c3e50;
    color: white;
}

footer nav a {
    color: white;
    margin: 0 1rem;
}