:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #08111f;
  color: #f5f7ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: linear-gradient(145deg, #070d18, #0b1728);
  min-height: 100vh;
}
header, article, footer { width: min(820px, calc(100% - 40px)); margin-inline: auto; }
header { padding: 44px 0 28px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.brand { color: #9bb4ff; font-weight: 700; text-decoration: none; letter-spacing: .08em; text-transform: uppercase; }
article { padding: 46px 0 64px; }
h1, h2 { font-family: Inter, ui-sans-serif, system-ui, sans-serif; letter-spacing: -.03em; }
h1 { margin: 0 0 12px; font-size: clamp(38px, 7vw, 62px); }
h2 { margin-top: 38px; font-size: 22px; }
p, li { color: #a9b5c7; line-height: 1.75; }
strong { color: #e8edfa; }
a { color: #a9c0ff; }
.updated { color: #6f8097; font-size: 13px; }
.notice { border-left: 3px solid #7d9fff; padding: 2px 0 2px 18px; }
footer { padding: 24px 0 44px; border-top: 1px solid rgba(255, 255, 255, .1); color: #6f8097; font-size: 12px; }