body { margin: 0; background: #f6f7fb; color: #1f2430; font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; background: #fff; min-height: 100vh; box-sizing: border-box; }
header { display: flex; align-items: center; gap: 14px; }
h1 { font-size: 26px; margin: 0; }
h2 { font-size: 19px; margin-top: 28px; color: #3730a3; }
code { background: #eef0f6; padding: 1px 5px; border-radius: 4px; font-size: 14px; }
a { color: #4f46e5; }
.muted { color: #6b7280; font-size: 14px; }