html {
  font-size: 10vw;
}

@media screen and (min-width: 500px) {
  html {
    font-size: 50px;
  }
}

body {
  font-size: 0.4rem;
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  color: #fff;
}

html,
body {
  background: linear-gradient(-45deg, #7159e1 0%, #66cdcc 100%);
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-text-size-adjust: 100%;
  -webkit-appearance: none; /*苹果和谷歌*/
  -khtml-user-select: none; /*未知*/
  -moz-user-select: none; /*火狐*/
  -ms-user-select: none; /*IE*/
  user-select: none; /*标准*/
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: fixed;
  height: 100vh;
  width: 100%;
  top: 0;
  left: 0;
}

h3,
h4,
p {
  margin: 0;
  padding: 0;
}

.app-name {
  margin-bottom: 5px;
}

.app-description {
  margin-bottom: 10px;
}

.point {
  margin-top: 5px;
}

#download-qrcode {
  width: 4rem;
  height: 4rem;
  border: 10px solid #fff;
  position: relative;
}

.app-logo {
  position: absolute;
  width: 1rem;
  height: 1rem;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  border-radius: 10px;
}

.download-btn {
  background-color: transparent;
  border: 2px solid #fff;
  width: 4rem;
  height: 1rem;
  color: #fff;
  margin-bottom: 10px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-btn:active {
  filter: brightness(90%);
}

.download-btn-icon {
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.1rem;
  display: none;
}

.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-repeat: no-repeat;
  background-position: right 0;
  background-size: calc(100% - 20px);
  background-color: rgba(0, 0, 0, 0.5);
}