/* The pram's own parts, scoped to its stage.
   mount() adds .piece-pram to the 2048 × 2048 stage it draws into. */

/* body and wheels roll together; the body alone sways */
.piece-pram .pram, .piece-pram .body {
  position: absolute;
  inset: 0;
  pointer-events: none;
  will-change: transform;
}

.piece-pram .body img {
  position: absolute;
  inset: 0;
  width: 2048px;
  height: 2048px;
}

/* a 轮 over each hub, centred on its axle */
.piece-pram .wheel {
  position: absolute;
  left: 0;
  top: 0;
  width: 240px;
  height: 240px;
  margin: -120px 0 0 -120px;
  display: grid;
  place-items: center;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-weight: 500;
  font-size: 240px;
  line-height: 240px;
  color: #4565ad;
  will-change: transform;
}