.markdown-body {
    font-family: 'Noto Serif SC', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
    font-size: 17px; line-height: 1.85; color: #2c2c2c; word-wrap: break-word;
    background: #fefcf3;
}
.markdown-body h1 { font-size: 2.2em; font-weight: 700; margin: 40px 0 20px; color: #1a1a1a; text-align: center; letter-spacing: 2px; }
.markdown-body h2 { font-size: 1.6em; font-weight: 700; margin: 36px 0 16px; color: #1a1a1a; border-bottom: 2px solid #8b4513; padding-bottom: 8px; }
.markdown-body h3 { font-size: 1.3em; font-weight: 600; margin: 28px 0 12px; color: #3c2415; }
.markdown-body h4 { font-size: 1.1em; font-weight: 600; margin: 24px 0 12px; color: #3c2415; }
.markdown-body p { margin: 0 0 18px; text-align: justify; text-indent: 0; }
.markdown-body a { color: #8b4513; text-decoration: underline; text-underline-offset: 3px; }
.markdown-body strong { font-weight: 700; color: #1a1a1a; }
.markdown-body blockquote { padding: 12px 20px; color: #5a5a5a; border-left: 3px solid #8b4513; margin: 0 0 18px; background: #f8f3e8; font-style: italic; border-radius: 0 6px 6px 0; }
.markdown-body ul, .markdown-body ol { padding-left: 2em; margin: 0 0 18px; }
.markdown-body li { margin: 6px 0; }
.markdown-body code { padding: .15em .4em; font-size: 85%; font-family: 'JetBrains Mono', Consolas, monospace; background: #f0e8d8; border-radius: 3px; color: #8b4513; }
.markdown-body pre { padding: 18px; overflow: auto; font-size: 85%; line-height: 1.5; background: #f5efe3; border-radius: 6px; margin: 0 0 18px; border: 1px solid #e8dcc8; }
.markdown-body pre code { display: inline; padding: 0; margin: 0; font-size: 100%; background: transparent; border-radius: 0; color: inherit; }
.markdown-body table { border-collapse: collapse; width: 100%; margin: 0 0 18px; }
.markdown-body th, .markdown-body td { padding: 10px 14px; border: 1px solid #d4c9b0; }
.markdown-body th { font-weight: 600; background: #f0e8d8; }
.markdown-body tr:nth-child(even) { background: #faf6ed; }
.markdown-body hr { height: 1px; padding: 0; margin: 32px 0; background: #d4c9b0; border: 0; }
.markdown-body img { max-width: 100%; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.08); }