* {
  user-select: none;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  max-width: 750px;
  margin: 0 auto;
}

body {
  display: flex;
  flex-direction: column;
}

img {
  width: 100%;
}
.page-box {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  position: relative;
}
.page-img {
  width: 100%;
}
.page-img img {
  width: 100%;
  display: block;
}

.page-bottom {
  width: 100%;
  max-width: 750px;
  position: fixed;
  bottom: 0px;
  left: 50%;
  transform: translate(-50%, 0%);
}
.page-bottom img {
  width: 100%;
  display: block;
}
.page-bottom .webs {
  position: absolute;
  left: 44%;
  color: #ffffff;
  top: 50%;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 900;
  font-style: normal;
}

.page-bottom .webs .webtxt {
  color: #fff000;
  font-style: normal;
}

.downMain {
  display: flex;
  justify-content: center;
}

.downImg {
  position: absolute;
  top: 10%;
  max-width: 400px;
  height: auto;
  animation: myfirst 1s infinite;
}

.container {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 7.2rem;
}

.container .download {
  width: 100%;
  text-align: center;
}
.container .download .buttonMain {
  width: 2.5rem;
  height: 0.9rem;
  cursor: pointer;
}

@-webkit-keyframes myfirst {
  from {
    transform: scale(1);
  }

  50% {
    transform: scale(0.8);
  }

  to {
    transform: scale(1);
  }
}

@keyframes myfirst {
  from {
    transform: scale(1);
  }

  50% {
    transform: scale(0.8);
  }

  to {
    transform: scale(1);
  }
}

.kf {
  position: fixed;
  bottom: 2rem;
  right: 0.2rem;
  animation: kf 2s infinite;
}
.kf img {
  width: 1rem;
}

@keyframes kf {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

.qr-container {
  z-index: 99;
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background-color: rgba(0, 0, 0, 0.4);
}

.qr-box {
  padding: 30px;
  text-align: center;
  background-color: #fff;
  border-radius: 10px;
  font-size: 24px;
  width: 300px;
  height: auto;
  margin: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}