html, body, .wrapper, .part {
  position: relative;
  width: 100%;
  height: auto;
  padding: 0;
  margin: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.back {
  position: absolute;
  top: 0.4rem;
  left: 0;
  width: 1.1rem;
  height: 1.3rem;
}

.map-btn {
  position: absolute;
  width: 0.8rem;
  height: 0.7rem;
  right: 0.4rem;
  top: 5.2rem;
}

.map {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
}

.map.show {
  display: block;
}

.map-main {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 7.5rem;
  height: 4.44rem;
  max-width: 100vw;
  max-height: calc(100vh - 0.7rem);
}

.map-main img {
  position: absolute;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.close {
  position: absolute;
  right: 0;
  top: -0.7rem;
  width: .54rem;
  height: .54rem;
  background: url(https://game.gtimg.cn/images/tgc/m/m2023/v2/close.png) no-repeat center/contain;
}

@media screen and (orientation: landscape) {
  .map-main {
    width: 6rem;
  }

  .close {
    width: .2rem;
    height: .2rem;
    top: 0;
    right: -.3rem;
  }
}