:root { --accent: #0176d3; --text: #181818; --muted: #5c5c5c; }
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--text); line-height: 1.55; background: #f7f9fb; }
header { background: #032d60; }
nav { max-width: 920px; margin: 0 auto; padding: 14px 20px; display: flex; gap: 22px; flex-wrap: wrap; }
nav a { color: #fff; text-decoration: none; font-weight: 600; }
nav a:first-child { margin-right: auto; }
main { max-width: 920px; margin: 0 auto; padding: 28px 20px 40px; background: #fff; }
h1 { color: #032d60; font-size: 2rem; line-height: 1.25; }
h2 { color: #032d60; margin-top: 2rem; }
a { color: var(--accent); }
img { max-width: 100%; border: 1px solid #e5e5e5; border-radius: 6px; margin: 8px 0; }
table { border-collapse: collapse; width: 100%; }
th, td { border: 1px solid #e5e5e5; padding: 6px 10px; text-align: left; }
th { background: #f3f3f3; }
code { background: #f3f3f3; padding: 1px 5px; border-radius: 4px; }
footer { text-align: center; color: var(--muted); font-size: 0.9rem; padding: 20px; }