:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 720px; margin: 0 auto; padding: 32px 20px 80px;
  color: #14181f; background: #fff;
}
@media (prefers-color-scheme: dark) { body { color: #e6e9ef; background: #12161c; } }
h1 { font-size: 26px; margin: 0 0 4px; letter-spacing: -0.4px; }
h2 { font-size: 18px; margin: 34px 0 8px; letter-spacing: -0.2px; }
h3 { font-size: 15px; margin: 20px 0 6px; }
.meta { color: #6b7280; font-size: 13px; margin-bottom: 28px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: #0080a0; margin-bottom: 18px; }
ul { padding-left: 20px; } li { margin: 5px 0; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid rgba(128,128,128,.25); vertical-align: top; }
th { font-weight: 600; }
.note { background: rgba(0,128,160,.09); border-left: 3px solid #0080a0; padding: 12px 14px; border-radius: 0 8px 8px 0; margin: 16px 0; font-size: 14px; }
.warn { background: rgba(230,120,20,.10); border-left: 3px solid #e07818; padding: 12px 14px; border-radius: 0 8px 8px 0; margin: 16px 0; font-size: 14px; }
a { color: #0080a0; }
footer { margin-top: 48px; padding-top: 18px; border-top: 1px solid rgba(128,128,128,.25); font-size: 13px; color: #6b7280; }