:root { --ink:#182c42; --muted:#5e6e80; --line:#dde5ee; --brand:#346a9e; --tint:#e4edf6; --warn:#fff4e5; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.65 Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; color: var(--ink); background: #f5f6f8; }
header { background: #fff; border-bottom: 1px solid var(--line); }
header .in, main { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header .in { display: flex; align-items: center; gap: 10px; height: 64px; }
.mark { width: 30px; height: 30px; border-radius: 8px; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 700; }
header a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; }
header nav { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }
header nav a { font-weight: 500; font-size: 14px; color: var(--muted); }
main { padding-top: 32px; padding-bottom: 64px; }
article { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 32px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
.updated { color: var(--muted); margin: 0 0 24px; }
.summary { background: var(--tint); border-radius: 10px; padding: 16px 20px; }
.summary ul { margin: 8px 0 0; padding-left: 20px; }
.draft { background: var(--warn); border-radius: 10px; padding: 12px 16px; font-size: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 8px 6px; vertical-align: top; }
a { color: var(--brand); }
footer { color: var(--muted); font-size: 14px; text-align: center; margin-top: 24px; }
@media (max-width: 600px) { article { padding: 20px; } h1 { font-size: 24px; } }