body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #fafafa;
}

header {
    border-bottom: 1px solid #eaecef;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

header h1 a {
    color: #333;
    text-decoration: none;
}

.post-list {
    list-style: none;
    padding: 0;
}

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

.post-list li a {
    font-size: 1.4em;
    font-weight: bold;
    color: #0366d6;
    text-decoration: none;
}

.date {
    color: #6a737d;
    font-size: 0.9em;
    margin: 5px 0;
}

.summary {
    margin-top: 10px;
    color: #586069;
}

.content {
    background: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.content pre {
    background: #f6f8fa;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

.content code {
    background: #f6f8fa;
    padding: 2px 4px;
    border-radius: 3px;
}

.content table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}
.content th, .content td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
.content th {
    background-color: #f2f2f2;
    font-weight: bold;
}
.content tr:nth-child(even) {
    background-color: #f9f9f9;
}
.content img {
    max-width: 100%;    /* 图片最大宽度不超过父容器 */
    height: auto;       /* 保持宽高比 */
    display: block;     /* 可选，让图片独占一行，避免文字环绕 */
    margin: 1em 0;      /* 可选，添加上下边距 */
    margin-left: auto;
    margin-right: auto;
}

footer {
    margin-top: 40px;
    border-top: 1px solid #eaecef;
    padding-top: 20px;
    text-align: center;
    color: #6a737d;
    font-size: 0.9em;
}