/* Shared by every page. System fonts only: no web-font requests, so the site itself tracks nobody. */
:root { --bg:#FAF9F6; --card:#fff; --ink:#121316; --mute:#6B6B70; --line:#E8E6E1; --accent:#F0612F; --accent-ink:#C84B1F; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#0E0E10; --card:#1C1C1F; --ink:#F4F3F0; --mute:#A3A3A8; --line:#2A2A2E; --accent:#FF7A4D; --accent-ink:#FF9A73; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 -apple-system, "SF Pro Text", system-ui, "Segoe UI", sans-serif; }
.wrap { max-width: 680px; margin: 0 auto; padding: 28px 22px 80px; }
header a.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 22px; letter-spacing: -0.01em; }
header img { width: 36px; height: 36px; border-radius: 9px; }
h1 { font-size: 36px; line-height: 1.15; margin: 44px 0 6px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 34px 0 8px; letter-spacing: -0.01em; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
a { color: var(--accent-ink); }
.updated, .note { color: var(--mute); font-size: 14px; }
.hero { text-align: center; padding-top: 48px; }
.hero img { width: 120px; height: 120px; border-radius: 27px; box-shadow: 0 10px 30px rgba(18,19,22,.18); }
.hero h1 { margin-top: 22px; }
.hero .tag { font-size: 20px; color: var(--mute); margin-bottom: 26px; }
.pill { display: inline-block; background: var(--accent); color: #fff; font-weight: 700; padding: 10px 22px; border-radius: 999px; text-decoration: none; }
.links { margin-top: 28px; display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 4px 20px 8px; margin: 14px 0; }
details { border-bottom: 1px solid var(--line); padding: 12px 0; } details:last-child { border-bottom: 0; }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 8px 0 0; }
.lang { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.jump { font-size: 14px; color: var(--mute); }
footer { margin-top: 56px; color: var(--mute); font-size: 14px; }
footer a { color: var(--mute); }