:root { --ink: #0f2a3d; --ink-2: #557085; --line: #d4e9e6; --brand: #0369a1; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Nunito, system-ui, sans-serif; font-weight: 600; color: var(--ink); background: #0b6e99; line-height: 1.6; }
header { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 14px 20px; background: #082f49; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 900; font-size: 1.3rem; text-decoration: none; }
header nav { display: flex; gap: 14px; flex-wrap: wrap; margin-left: auto; }
header nav a { color: #bae6fd; font-weight: 800; text-decoration: none; }
main { padding: 24px 16px 40px; }
article { max-width: 820px; margin: 0 auto; background: #fff; border-radius: 18px; padding: 28px clamp(18px, 4vw, 44px); box-shadow: 0 6px 0 rgba(0,0,0,.14); }
h1 { margin: 0 0 4px; font-weight: 900; font-size: 2rem; }
h2 { margin: 28px 0 6px; font-weight: 900; font-size: 1.3rem; }
h3 { margin: 18px 0 4px; font-weight: 900; font-size: 1.05rem; }
.updated { color: var(--ink-2); margin: 0 0 18px; }
a { color: var(--brand); }
ul { padding-left: 22px; } li { margin: 4px 0; }
.summary { background: #eef8f6; border: 2px solid var(--line); border-radius: 14px; padding: 6px 20px 10px; }
.summary h2 { margin-top: 12px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .95rem; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
code { background: #eef8f6; padding: 1px 6px; border-radius: 6px; }
button { font: inherit; font-weight: 900; background: #0ea5e9; color: #fff; border: 0; border-radius: 12px; padding: 10px 16px; cursor: pointer; box-shadow: 0 4px 0 #0369a1; }
footer { text-align: center; color: #d3eef9; padding: 0 16px 30px; }
footer a { color: #fff; }