body { font-family: Lato, 'Segoe UI', 'Microsoft YaHei', sans-serif; }
.post-content, .page-content { line-height: 1.85; overflow-wrap: anywhere; }
.post-content img { max-width: 100%; height: auto; }
pre { overflow-x: auto; overflow-wrap: normal; }
.math-expression[data-display='true'] { display: block; overflow-x: auto; overflow-y: hidden; margin: 1.2rem 0; }
.video-container { position: relative; width: 100%; aspect-ratio: 16 / 9; margin: 1.5rem 0; }
.video-container iframe { width: 100%; height: 100%; border: 0; }
@media (max-width: 600px) { .home-about h1 { font-size: 1.8rem; } }