:root {
  --bg: #0b0f19;
  --card: #121829;
  --ink: #e6ecff;
  --muted: #9fb0d9;
  --accent: #4da3ff;
}
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--ink);
}
.wrap { max-width: 960px; margin: 48px auto; padding: 0 20px; }
.card { background: var(--card); border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,.35); overflow: hidden; }
header { padding: 24px 24px 8px; }
header h1 { margin: 0; font-size: 28px; }
header p { margin: 8px 0 0; color: var(--muted); }
.content { padding: 8px 24px 24px; line-height: 1.6; }
h2 { font-size: 18px; margin: 24px 0 8px; color: #d3e1ff; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.links { display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: 10px; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.block { background: #0e1322; border: 1px solid #1b2542; padding: 12px; border-radius: 12px; }
.rule { border: none; height: 1px; background: #1b2542; margin: 20px 0; }
.note { font-size: 13px; color: #ffc97c; }
footer { margin-top: 20px; text-align: center; color: var(--muted); font-size: 13px; }