:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #182b3a; background: #f7f9fc; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
a { color: #075a88; text-underline-offset: 2px; }
a:hover { color: #063d60; }
header { background: #112e42; color: #fff; }
nav { max-width: 880px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.brand { font-weight: 750; letter-spacing: .035em; }
nav .links { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: #fff; text-decoration: none; }
nav a:hover { color: #e3f5ff; text-decoration: underline; }
main { max-width: 880px; margin: 32px auto 54px; padding: 0 24px; }
article { background: #fff; border: 1px solid #dce5eb; border-radius: 14px; padding: clamp(24px, 5vw, 42px); box-shadow: 0 3px 16px rgba(20, 45, 58, .035); }
h1 { font-size: clamp(1.7rem, 4vw, 2.25rem); line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.22rem; line-height: 1.35; margin: 30px 0 8px; }
p { margin: 10px 0 15px; }
ul { padding-left: 22px; }
.lead { color: #3c586c; font-size: 1.1rem; }
.meta { color: #536978; font-size: .9rem; }
.notice { border-left: 3px solid #257daa; padding: 5px 0 5px 16px; margin: 22px 0; }
footer { max-width: 880px; padding: 0 24px 38px; margin: auto; color: #4b6272; font-size: .88rem; }
footer a { margin-right: 15px; }
@media (max-width: 520px) { main { margin-top: 18px; } nav .links { gap: 12px; } }