:root {
  --bg: #0a0c11; --panel: #12151d;
  --border: rgba(255,255,255,.08); --border-strong: rgba(255,255,255,.14);
  --text: #f2f3f7; --muted: #9aa0ae;
  --blue: #2fb6f0; --orange: #ff5a2e;
}
* { box-sizing: border-box; margin: 0; }
body {
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px 80px; }
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0; margin-bottom: 40px; border-bottom: 1px solid var(--border);
}
nav .brand { font-weight: 800; color: var(--text); }
nav .brand:hover { text-decoration: none; }
nav .back { font-size: 14px; color: var(--muted); }
h1 { font-size: 32px; letter-spacing: -0.02em; margin-bottom: 6px; }
.updated { color: var(--muted); font-size: 13px; margin-bottom: 36px; }
h2 { font-size: 19px; letter-spacing: -0.01em; margin: 34px 0 10px; }
p, li { font-size: 15px; color: #c9cdd8; margin-bottom: 10px; }
ul { padding-left: 22px; }
.note {
  background: var(--panel); border: 1px solid var(--border-strong);
  border-left: 3px solid var(--orange);
  border-radius: 10px; padding: 14px 18px; margin: 24px 0; font-size: 14px;
}
footer { border-top: 1px solid var(--border); margin-top: 60px; padding-top: 20px; font-size: 13px; color: var(--muted); }