:root { color-scheme: light; font-family: system-ui, sans-serif; color: #0a1935; background: #f5f8fc; }
* { box-sizing: border-box; }
body { margin: 0; padding: 32px 20px; }
main { max-width: 600px; margin: 24px auto; padding: 36px 28px; border-radius: 28px; background: #fff; box-shadow: 0 12px 36px #122c4a0b; }
.brand { color: #006ed7; font-weight: 800; font-size: 28px; margin: 0 0 28px; }
h1 { font-size: clamp(24px, 5vw, 32px); line-height: 1.4; margin: 0 0 16px; word-break: keep-all; }
p, li { font-size: 18px; line-height: 1.8; word-break: keep-all; overflow-wrap: anywhere; }
ol { padding-left: 24px; margin: 28px 0; }
li + li { margin-top: 12px; }
.install { display: block; padding: 18px 16px; background: #006dd5; border-radius: 16px; color: #fff; text-align: center; text-decoration: none; font-size: 18px; font-weight: 700; }
.install:hover { background: #005ab2; }
a:focus-visible { outline: 3px solid #006ed7; outline-offset: 4px; }
.note { color: #526985; font-size: 15px; text-align: center; margin: 18px 0 28px; }
section { border-top: 1px solid #e4ecf5; padding-top: 20px; }
h2 { font-size: 20px; margin: 0; }
section p { font-size: 16px; color: #526985; }
.support { color: #005fbc; font-size: 16px; }
@media (max-width: 400px) { body { padding: 12px; } main { padding: 28px 20px; margin: 8px auto; } }