:root { --bg: #0F1114; --card: #171A1F; --fg: #ECEEF1; --muted: #9AA1AC; --amber: #F5B83D; --line: #2A2E36; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 Inter, system-ui, -apple-system, 'Segoe UI', sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 28px 16px 64px; }
h1 { font-size: clamp(30px, 7vw, 42px); line-height: 1.1; margin: 18px 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 21px; margin: 34px 0 8px; padding-top: 18px; border-top: 1px solid var(--line); }
h3 { font-size: 16px; margin: 20px 0 4px; }
p, ul { margin: 0 0 12px; }
ul { padding-left: 20px; }
li { margin-bottom: 6px; }
a { color: var(--amber); text-underline-offset: 3px; }
.back { display: inline-block; font-weight: 600; text-decoration: none; padding: 6px 0; }
.updated { color: var(--muted); font-size: 14px; }
.foot { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); }