html { color-scheme: light; }
body { margin: 0; background: #f5f7fb; color: #17233a; font: 16px/1.65 system-ui, sans-serif; }
main { box-sizing: border-box; max-width: 820px; margin: 32px auto; padding: 28px 36px; background: #fff; border: 1px solid #e5eaf1; border-radius: 14px; }
h1 { margin: 0 0 4px; font-size: 2rem; line-height: 1.2; }
h2 { margin: 0 0 8px; font-size: 1.2rem; }
h3 { margin: 18px 0 6px; font-size: 1.08rem; }
blockquote { margin: 16px 0; padding: 4px 16px; border-left: 3px solid #b9c8df; color: #40516c; }
article { margin-top: 28px; overflow-wrap: anywhere; }
section { margin: 28px 0; }
p { margin: 8px 0 12px; overflow-wrap: anywhere; }
a { color: #155eef; }
nav { border-top: 1px solid #e5eaf1; margin-top: 32px; padding-top: 18px; display: flex; flex-wrap: wrap; gap: 6px 14px; }
@media (max-width: 700px) { main { margin: 0; min-height: 100vh; border: 0; border-radius: 0; padding: 24px 18px; } }