:root { color-scheme: light; --ink:#0b1f4d; --ink-2:#2b3f6b; --link:#0a4fb3; --card:#fff; --line:#cfe3f5; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; color: var(--ink);
  font: 18px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(#5ac8fa, #d9f2ff 220px, #eef9ff 60%, #d8f5a5); }
a { color: var(--link); text-underline-offset: 3px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #ffb300; outline-offset: 3px; border-radius: 6px; }
.top { padding: 16px max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left)); }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 6px 16px; border-radius: 999px;
  background: #fff; color: var(--ink); font-weight: 800; text-decoration: none; box-shadow: 0 3px 0 rgba(11,31,77,.15); }
main { width: 100%; max-width: 46rem; margin: 0 auto; padding: 8px 16px 40px; flex: 1; }
.card { background: var(--card); border-radius: 24px; padding: 24px; box-shadow: 0 6px 0 rgba(11,31,77,.1); }
h1 { font-size: 2rem; line-height: 1.2; margin: 8px 0 12px; }
h2 { font-size: 1.35rem; line-height: 1.3; margin: 28px 0 8px; }
.lede { font-size: 1.2rem; }
.meta { color: var(--ink-2); font-size: 1rem; }
ul { padding-inline-start: 1.25rem; } li { margin: 6px 0; }
table { border-collapse: collapse; width: 100%; font-size: 1rem; }
th, td { text-align: start; padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
details { border: 2px solid var(--line); border-radius: 16px; padding: 4px 16px; margin: 10px 0; background: #f8fcff; }
summary { cursor: pointer; font-weight: 700; padding: 12px 0; min-height: 48px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 56px; padding: 0 28px; border-radius: 999px;
  background: #0a4fb3; color: #fff; font-weight: 800; text-decoration: none; box-shadow: 0 4px 0 #083a85; }
footer { padding: 20px 16px 28px; text-align: center; font-size: 1rem; }
footer a { display: inline-block; margin: 0 10px; padding: 12px 4px; min-height: 48px; }