:root {
  --bg: #07080d; --surface: #0f111a; --border: rgba(255,255,255,.08);
  --text: #e9ebf5; --muted: #9097ad; --a: #6366f1; --b: #22d3ee; --c: #a855f7;
  --grad: linear-gradient(120deg, var(--b), var(--a) 50%, var(--c));
}
* { box-sizing: border-box; margin: 0; }
body { background: var(--bg); color: var(--text); font-family: Inter, system-ui, sans-serif; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--b); }
.wrap { width: min(760px, 100% - 40px); margin-inline: auto; }
nav { border-bottom: 1px solid var(--border); background: rgba(7,8,13,.6); }
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; width: min(1100px, 100% - 40px); }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; }
.logo svg { width: 30px; height: 30px; }
.wm { display: flex; flex-direction: column; line-height: 1; gap: 4px; }
.wm b { font-size: 1.3rem; font-weight: 700; letter-spacing: -.03em; }
.wm small { font-size: .58rem; font-weight: 500; letter-spacing: .32em; text-transform: uppercase; color: var(--muted); }
nav .back { color: var(--muted); text-decoration: none; font-size: .92rem; }
nav .back:hover { color: var(--text); }
main { padding: 64px 0 40px; }
h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -.03em; line-height: 1.1; margin-bottom: 8px; }
.updated { color: var(--muted); font-size: .92rem; margin-bottom: 40px; }
h2 { font-size: 1.3rem; letter-spacing: -.01em; margin: 40px 0 10px; }
p, li { color: #c6cadb; }
p { margin-bottom: 14px; }
ul { padding-left: 22px; margin-bottom: 14px; }
li { margin-bottom: 6px; }
.callout { border: 1px solid var(--border); background: var(--surface); border-radius: 14px; padding: 18px 20px; margin: 18px 0; }
.callout p:last-child { margin-bottom: 0; }
mark { background: rgba(251,191,36,.2); color: #fbbf24; padding: 1px 6px; border-radius: 4px; }
footer { padding: 40px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: .88rem; margin-top: 40px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
footer a { color: var(--muted); }