:root { --bg: #f4f8fc; --card: #fff; --ink: #1d2733; --muted: #5b6878; --accent: #e39a12; --line: #dde5ee; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f1722; --card: #172231; --ink: #e8eef5; --muted: #9aa8b8; --accent: #f2b33d; --line: #263447; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
header { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; max-width: 860px; margin: 0 auto; padding: 20px 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
.brand img { border-radius: 10px; }
nav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
nav a, .langs a { color: var(--muted); text-decoration: none; }
nav a.on, .langs a.on { color: var(--accent); font-weight: 600; }
main { max-width: 860px; margin: 0 auto 24px; padding: 28px 24px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
h1 { margin-top: 0; font-size: 28px; line-height: 1.25; }
h2 { margin-top: 28px; font-size: 20px; }
h3 { font-size: 17px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
footer { max-width: 860px; margin: 0 auto; padding: 0 16px 32px; color: var(--muted); font-size: 14px; }
.langs { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 6px; }
@media (max-width: 600px) { main { padding: 20px 16px; border-radius: 0; border-left: 0; border-right: 0; } h1 { font-size: 24px; } }