:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #16202a; --muted: #5b6875;
  --accent: #e8590c; --accent-2: #1c7ed6; --border: #dde2e8; --code-bg: #eef1f4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1218; --surface: #161c24; --text: #e6ebf0; --muted: #9aa7b4;
    --accent: #ff7a2e; --accent-2: #4dabf7; --border: #26303b; --code-bg: #1d252f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent-2); }
header {
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
nav { display: flex; align-items: center; gap: 20px; height: 60px; }
nav .brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; margin-right: auto; }
nav .brand span { color: var(--accent); }
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--text); }
.hero { padding: 56px 0 32px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; margin: 0 0 12px; }
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0 0 24px; }
.btn {
  display: inline-block; padding: 12px 20px; border-radius: 8px; font-weight: 600;
  text-decoration: none; background: var(--accent); color: #fff; margin: 0 8px 8px 0;
}
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 24px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); }
section { padding: 16px 0; }
h2 { margin-top: 32px; }
table { border-collapse: collapse; width: 100%; background: var(--surface); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; width: 40%; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; }
code { background: var(--code-bg); padding: 2px 5px; border-radius: 4px; }
pre { background: var(--code-bg); padding: 14px 16px; border-radius: 8px; overflow-x: auto; border: 1px solid var(--border); }
pre code { background: none; padding: 0; }
.note { border-left: 4px solid var(--accent); background: var(--surface); padding: 12px 16px; border-radius: 0 8px 8px 0; }
ol li { margin-bottom: 10px; }
footer { color: var(--muted); font-size: 0.9rem; padding: 40px 0; border-top: 1px solid var(--border); margin-top: 48px; }