:root { color-scheme: light; font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif; color: #172033; background: #f7f6fb; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
header { background: linear-gradient(135deg, #142b50, #6d35d5); color: white; padding: 42px 20px; }
header div, main, footer { max-width: 900px; margin: auto; }
main { padding: 34px 20px 60px; }
section { background: white; border: 1px solid #e8e3ef; border-radius: 18px; padding: 22px; margin: 16px 0; box-shadow: 0 10px 28px #26184b0a; }
h1 { margin: 0 0 6px; font-size: clamp(2rem, 6vw, 3.2rem); }
h2 { color: #31156d; margin-top: 0; }
a { color: #5d27c2; font-weight: 700; }
nav a { color: white; margin-right: 16px; }
.notice { border-left: 5px solid #6d35d5; }
footer { padding: 0 20px 50px; color: #5d6575; }
@media (max-width: 600px) { header { padding-top: 30px; } section { padding: 18px; } }