/* 基础样式 */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    text-align: center;
    margin: 40px 0;
}

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

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    background: #f5f5f5;
    padding: 10px;
    border-radius: 5px;
}

nav li {
    margin: 0 15px;
}

nav a {
    text-decoration: none;
    color: #333;
}

nav a:hover {
    color: #666;
}

.post-preview {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.post-preview h2 {
    margin-bottom: 5px;
}

.post-preview h2 a {
    text-decoration: none;
    color: #333;
}

.post-preview h2 a:hover {
    color: #666;
}

.post-meta {
    color: #777;
    font-size: 0.9em;
    margin-top: 0;
}

.full-post {
    margin-bottom: 40px;
}

.back-to-home {
    margin-bottom: 40px;
}

.back-to-home a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.back-to-home a:hover {
    color: #666;
}

aside {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    margin: 40px 0;
}

footer {
    text-align: center;
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px solid #eee;
    color: #777;
    font-size: 0.9em;
}

footer a {
    color: #777;
}