html {
  font-size: 50px;
}
@media screen and (min-width: 320px) {
  html {
    font-size: 21.33333333px;
  }
}
@media screen and (min-width: 360px) {
  html {
    font-size: 24px;
  }
}
@media screen and (min-width: 375px) {
  html {
    font-size: 25px;
  }
}
@media screen and (min-width: 384px) {
  html {
    font-size: 25.6px;
  }
}
@media screen and (min-width: 400px) {
  html {
    font-size: 26.66666667px;
  }
}
@media screen and (min-width: 414px) {
  html {
    font-size: 27.6px;
  }
}
@media screen and (min-width: 424px) {
  html {
    font-size: 28.26666667px;
  }
}
@media screen and (min-width: 480px) {
  html {
    font-size: 32px;
  }
}
@media screen and (min-width: 540px) {
  html {
    font-size: 36px;
  }
}
@media screen and (min-width: 720px) {
  html {
    font-size: 48px;
  }
}
@media screen and (min-width: 750px) {
  html {
    font-size: 50px;
  }
}
* {
  padding: 0;
  margin: 0;
}
body {
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
}
* {
  padding: 0;
  margin: 0;
}
a {
  color: #9c9c9c;
  font-size: 0.4rem;
  font-weight: 600;
  font-family: Arial, Helvetica, sans-serif;
  border: none;
  text-decoration: none;
}
body {
  margin: 0 auto;
  width: 100%;
  max-width: 750px;
}
.mian {
  width: 100%;
  margin: 0 auto;
  text-align: center;
}
img {
  display: block;
  font-size: 0;
  width: 100%;
  margin: 0 auto;
}
.xz {
  position: relative;
}
.position {
  position: absolute;
  top: 25px;
  right: 40px;
}
.top {
  width: 100%;
  margin-top: 0.5rem;
  padding-bottom: 0.5rem;
  background: rgba(0, 0, 0, 0.8);
  font-size: 0.14rem;
  color: #fff;
  text-align: center;
  overflow: hidden;
  margin: 0 auto;
}
.download-top {
  position: absolute;
  top: 10.6rem;
  left: 1.7rem;
  width: 2.1rem;
}
.download-top2 {
  position: absolute;
  top: 11.2rem;
  left: 6.4rem;
  width: 2.1rem;
}
.download-top3 {
  position: absolute;
  top: 10.6rem;
  right: 1.7rem;
  width: 2.1rem;
}
.bottom {
  width: 100%;
  position: fixed;
  bottom: 0;
  max-width: 750px;
}
.yx {
  position: relative;
}
.xz {
  position: absolute;
  width: 2.5rem;
  transform: translateY(-50%);
  top: 50%;
  right: 0.6rem;
}
.treaty {
  position: absolute;
  bottom: 0.825rem;
  left: 6.9rem;
}
.treaty2 {
  position: absolute;
  bottom: 1.35rem;
  left: 6.9rem;
}
.bottom {
  position: relative;
  background-color: #0E0B0E;
  color: #fff;
  font-size: 0.45rem;
  text-align: center;
  margin: -4rem 0 0.5rem;
  z-index: 1022;
  padding: 0px 0 0.5rem 0;
}