// Test the query function.

---
#set page(
  paper: "a7",
  margin: (y: 1cm, x: 0.5cm),
  header: {
    smallcaps[Typst Academy]
    h(1fr)
    query(heading, (before, after) => {
      let elem = if before.len() != 0 {
        before.last()
      } else if after.len() != 0 {
        after.first()
      }
      emph(elem.body)
    })
  }
)

#outline()

= Introduction
#lorem(35)

= Background
#lorem(35)

= Approach
#lorem(60)