html,
body {
  margin: 0;
  padding: 0
}

.img {
  width: 100%;
  height: 100%
}

button {
  outline: none
}

ul {
  margin: 0;
  padding: 0
}

ul li {
  list-style: none
}

.img-box,
.img-content {
  position: relative;
  height: 100vh;
  line-height: 0
}

.google-btn {
  position: absolute;
  z-index: 2;
  bottom: 1.5rem;
  left: 2rem
}

.google-btn4 {
  position: absolute;
  z-index: 2;
  bottom: 1.8rem;
  left: 44%
}

.btn-wrap {
  width: 100%;
  box-sizing: border-box;
  padding: 0 0.5rem 0 2rem;
  position: absolute;
  z-index: 99;
  left: 0;
  line-height: 0.5rem;
  text-align: right;
  top: 0
}

.btn-wrap .item {
  text-decoration: none;
  opacity: 0.9;
  padding: 0.06rem 0.2rem;
  font-size: 0.3rem;
  display: inline-block;
  font-family: Arial;
  font-weight: 400;
  color: #fff;
  cursor: pointer;
  border-radius: 4px
}

.btn-wrap .item.border {
  border: 1px solid #fff
}

.btn-wrap .item:hover {
  opacity: 1
}

.img-content {
  width: 100%;
  box-sizing: border-box
}

.img-content .img-cell {
  width: 100%;
  height: 100%
}

.nav {
  display: none;
  background: #fff;
  position: absolute;
  padding: 0.1rem;
  width: 100%;
  left: 0;
  top: 0.64rem;
  font-size: 0.18rem;
  border-radius: 0.1rem;
  box-sizing: border-box
}

.nav li {
  text-align: left;
  text-decoration: none;
  color: #000;
  cursor: pointer;
  line-height: 0.4rem
}

.nav .active {
  color: #ffc925
}

.border {
  position: relative
}

.border:hover .nav {
  display: block
}

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