* {
  padding: 0;
  margin: 0;
  border: 0;
  list-style: none;
  font-style: normal;
  outline: none;
  box-sizing: border-box;
}
button {
  background: none;
}

html {
  font-family: 'Microsoft YaHei', sans-serif;
  font-size: 26.66667vw;
  background-color: #eee;
}

html, body {
  max-width: 750px;
  overflow: hidden;
  margin: 0 auto;
}

body {
  font-size: .16rem;
  width: 100%;
  height: fit-content;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

#app {
  width: 100%;
  /*height: 100vh;*/
  /*height: 100dvh;*/
  height: fit-content;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background-color: #fff;
  position: relative;
}

.download {
  width: 2.54rem;
  height: 0.559rem;
  position: absolute;
  left: 50%;
  bottom: 2%;
  transform: translate(-50%, 0);
}

button > img {
  width: 100%;
}

.tips {
  width: 100%;
  height: 100vh;
  font-size: .16rem;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  background: rgba(0,0,0,.4);
}
.tips > p {
  width: 3.035rem;
  height: 1.4rem;
  background: url("../images/tsk.png") no-repeat center center;
  background-size: contain;
  position: relative;
  display: flex;
  flex-direction: row-reverse;
  padding: .05rem .1rem 0 0;
}

.close-btn {
  width: .2rem;
  height: .2rem;
  background: url("../images/close.png") no-repeat center center;
  background-size: contain;
}

.hide {
  display: none !important;
}

@media screen and (min-width: 550px) {
  html {
    font-size: 9rem;
  }
  #app {
    overflow-y: scroll;
  }
}