* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: #1f2328;
  line-height: 1.6;
  background: #f6f8fa;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

.hero {
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: #fff;
  padding: 64px 0 56px;
}

.hero .wrap { text-align: center; }

.tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

h1 { font-size: 48px; margin: 8px 0 4px; }

.sub { max-width: 560px; margin: 0 auto 24px; opacity: 0.9; }

.curl {
  background: #0b1220;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  display: inline-block;
  padding: 10px 18px;
  font-size: 13px;
}

.curl code { color: #7dd3fc; }

main { padding: 40px 20px 60px; }

section { margin-bottom: 40px; }

h2 { font-size: 24px; margin-bottom: 12px; }

h3 { font-size: 17px; margin: 18px 0 8px; }

pre {
  background: #0b1220;
  color: #e2e8f0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
}

code { font-family: Consolas, "Courier New", monospace; }

p code, td code, li code { background: #e8ecf1; padding: 2px 6px; border-radius: 4px; }

.demo-controls { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }

select, button {
  padding: 9px 14px;
  border-radius: 6px;
  border: 1px solid #d0d7de;
  font-size: 14px;
  background: #fff;
}

button { background: #1e3a8a; color: #fff; border-color: #1e3a8a; cursor: pointer; }
button:hover { background: #172b6b; }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #d0d7de; border-radius: 8px; overflow: hidden; }

th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #e6ebf0; font-size: 14px; }

th { background: #f0f3f6; }

tbody tr:last-child td { border-bottom: none; }

.note { font-size: 13px; color: #57606a; }

footer { border-top: 1px solid #d0d7de; padding-top: 16px; text-align: center; font-size: 14px; }

a { color: #1e3a8a; }