:root { color-scheme: light; font-family: Arial, Helvetica, sans-serif; color: #172033; background: #fff; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 700px; margin: auto; padding: 28px 20px; }
header { text-align: center; margin: 18px 0 28px; }
header img { width: 100%; max-width: 520px; height: auto; }
.card { border: 1px solid #e2e8f0; border-radius: 24px; padding: clamp(22px, 5vw, 40px); box-shadow: 0 16px 32px #1720330a; }
h1 { margin: 0 0 20px; font-size: clamp(28px, 6vw, 36px); line-height: 1.2; }
h2 { font-size: 20px; margin: 28px 0 12px; }
p, li { line-height: 1.65; overflow-wrap: anywhere; }
ol { padding-left: 24px; }
li { padding-left: 4px; margin-bottom: 14px; }
a { color: #147889; }
.button { display: flex; align-items: center; justify-content: center; min-height: 52px; margin-top: 24px; padding: 14px 18px; border-radius: 12px; text-align: center; font-weight: 700; font-size: 16px; color: #172033; background: #28bfd1; text-decoration: none; }
.button:hover { background: #20b0c2; }
a:focus-visible { outline: 3px solid #147889; outline-offset: 4px; }
.muted, footer { color: #64748b; font-size: 14px; }
footer { text-align: center; padding: 20px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.6; table-layout: fixed; }
th, td { padding: 10px 8px; border: 1px solid #e2e8f0; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
th { background: #eefafb; }