:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; color: #eaf3f8; background: radial-gradient(circle at top right, #235a86 0, transparent 34rem), #0b1a2e; }
main { width: min(100% - 40px, 760px); margin: 0 auto; padding: 72px 0; }
.eyebrow { margin: 0 0 12px; color: #9fd6f4; font-size: .75rem; font-weight: 800; letter-spacing: .14em; }
h1 { margin: 0; font-size: clamp(2rem, 6vw, 3.4rem); letter-spacing: -.04em; }
h2 { margin: 36px 0 8px; font-size: 1.15rem; }
p, li { color: #cbdde8; font-size: 1rem; line-height: 1.7; }
.lead { max-width: 38rem; font-size: 1.12rem; }
nav { display: grid; gap: 12px; margin-top: 32px; }
nav a { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; color: #fff; text-decoration: none; font-weight: 700; border: 1px solid #4c7b9e; border-radius: 16px; background: linear-gradient(135deg, #1e4d6e, #132e4a); }
nav a:hover { border-color: #9fd6f4; }
nav span { color: #9fd6f4; font-size: 1.5rem; }
.updated { margin-top: 32px; color: #89a8ba; font-size: .85rem; }
a { color: #a7d7f0; }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid #28506b; color: #89a8ba; font-size: .85rem; }
.notice { padding: 14px 16px; color: #c7e7f8; border: 1px solid #4c7b9e; border-radius: 12px; background: #153550; }