.post-content {
    max-width: 800px;
    margin: 0 auto;
}

.post-content h1 {
    font-size: 2.5em;
    font-weight: 600;
    margin-bottom: 1em;
    line-height: 1.2;
}

.post-content h2 {
    font-size: 1.8em;
    font-weight: 600;
    margin-top: 2em;
    margin-bottom: 0.8em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid #e1e4e8;
}

.post-content h3 {
    font-size: 1.4em;
    font-weight: 600;
    margin-top: 1.5em;
    margin-bottom: 0.6em;
}

.post-content p {
    margin-bottom: 1em;
    line-height: 1.6;
}

.post-content pre {
    margin: 1.5em 0;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid #e1e4e8;
}

.post-content code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.85em;
}

.post-content .mermaid {
    margin: 2em 0;
    text-align: center;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid #e1e4e8;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    border: 1px solid #e1e4e8;
    margin: 1.5em 0;
    display: block;
}

.post-content table {
    margin: 1.5em 0;
    font-size: 0.9em;
    border-collapse: collapse;
    width: 100%;
}

.post-content th,
.post-content td {
    border: 1px solid #e1e4e8;
    padding: 8px 12px;
    text-align: left;
}

.post-content th {
    background-color: #f6f8fa;
    font-weight: 600;
}

.post-content ul,
.post-content ol {
    margin-bottom: 1em;
    padding-left: 2em;
}

.post-content li {
    margin-bottom: 0.5em;
}