:root { --night: #16203F; --paper: #FFFDF8; --ink: #22306B; --muted: #5a6385; --line: #e6e0d2; --highlighter: #FFE066; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--night); color: var(--ink); padding: 32px 16px 56px;
       font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; }
main { max-width: 720px; margin: 0 auto; background: var(--paper); border-radius: 22px; padding: 32px 24px;
       box-shadow: 0 24px 60px rgba(0,0,0,.45); }
@media (min-width: 640px) { main { padding: 44px 48px; } }
h1 { margin: 0 0 4px; font-size: 32px; line-height: 1.2; }
h2 { margin: 32px 0 8px; font-size: 21px; }
.updated { margin: 0 0 24px; color: var(--muted); font-size: 15px; }
p, li { color: var(--ink); }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
a { color: var(--ink); text-decoration-color: var(--highlighter); text-decoration-thickness: 3px; }
.summary { background: #FFF6CC; border-radius: 14px; padding: 16px 18px; margin: 0 0 8px; }
.summary p { margin: 0; }
nav { max-width: 720px; margin: 0 auto 16px; font-size: 15px; }
nav a { color: #fff; margin-right: 18px; text-decoration-color: rgba(255,224,102,.6); }