/* Markdown 渲染正文样式（commonmark 输出） */
.markdown-body {
    line-height: 1.8;
    color: #1A1A1A;
    font-size: 16px;
    word-wrap: break-word;
    text-align: justify;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    font-weight: 700;
    margin: 1.6em 0 0.8em;
    line-height: 1.3;
}
.markdown-body h1 { font-size: 1.5em; }
.markdown-body h2 { font-size: 1.3em; }
.markdown-body h3 { font-size: 1.15em; }
.markdown-body h4 { font-size: 1.05em; }
.markdown-body p { margin: 1em 0; }
.markdown-body ul, .markdown-body ol { padding-left: 1.6em; margin: 1em 0; }
.markdown-body ul { list-style: disc; }
.markdown-body ol { list-style: decimal; }
.markdown-body li { margin: 0.3em 0; }
.markdown-body blockquote {
    border-left: 3px solid #BC5C36;
    padding-left: 1em;
    color: #8A8A8A;
    margin: 1em 0;
}
.markdown-body a { color: #BC5C36; text-decoration: underline; }
.markdown-body code {
    background: #F3F3F0;
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.markdown-body pre {
    background: #f6f8fa;
    color: #24292e;
    border: 1px solid #d0d7de;
    padding: 1em;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1em 0;
}
.markdown-body pre code { background: none; padding: 0; color: inherit; }
.markdown-body .mermaid {
    display: flex;
    justify-content: center;
    margin: 1.5em 0;
    overflow-x: auto;
}
.markdown-body .mermaid svg { max-width: 100%; }
.markdown-body img { max-width: 100%; border-radius: 8px; margin: 1em auto; display: block; }
@media (min-width: 768px) {
    .markdown-body img { max-width: 80%; }
}
.markdown-body hr { border: none; border-top: 1px solid #E5E5E0; margin: 2em 0; }
.markdown-body table { border-collapse: collapse; width: 100%; margin: 1em 0; }
.markdown-body th, .markdown-body td { border: 1px solid #E5E5E0; padding: 0.5em 0.75em; text-align: left; }
.markdown-body th { background: #F9F8F5; font-weight: 600; }