index.css

.bg-en .act-room-bg1 {
  background: url(../images/act-room-bg.png) no-repeat;
  background-size: 100% 100%;
}
.act-room-bg1 {
  width: 8rem;
  height: 10.375rem;
  background: url(../images/act-room-bg.png?v=2024081301) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  right: -2.9rem;
  top: -3.9rem;
  transform: scale(0.25);
}
.act-room-bg1 .num-box {
  position: absolute;
  right: 0.2rem;
  top: 1.25rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 1.3rem;
  background: rgba(37, 137, 28);
  text-align: center;
  line-height: 2rem;
  font-weight: 700;
  color: #f0ff25;
  border: 0.1rem solid #55eb3d;
}