page {
  background-color: #000;
  text-align: center;
  height: 100vh;
}
page .container {
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}
page image {
  width: 100%;
  height: 375px;
}
page .weui-btn_primary {
  height: 32px;
  width: 112px;
  padding: 0;
  /* margin-top: 30px; */
  line-height: 30px;
  font-size: 14px;
  background-color: transparent;
  border-radius: 999px;
  color: #fff;
  border: 1px solid #fff;
  box-sizing: border-box;
}
.btnBox{
  margin-top: 30px;
  padding: 0 20%;
}
.change{
  margin: 0 auto;
}