a {
  text-decoration: none;
}
html {
  font-size: 50px;
}
p {
  margin: 0;
  padding: 0;
}
@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;
  }
}

html,
body {
  height: 100%;
  min-height: 30.28rem;
  /* max-height: 30.28rem; */
}

body {
  min-width: 320px;
  width: 15rem;
  margin: 0 auto;
  line-height: 1.5;
  font-family: Arial, Helvetica;
  background: #fff;
}

.warp {
  position: relative;
  width: 15rem;
  height: 100%;
  margin: 0 auto;
  background: url("../image/bg.jpg") no-repeat;
  background-size: 100% auto;
}

.main {
  padding: 0.5rem;
}

.logo {
  width: 3.5rem;
  height: 3.5rem;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fff;
}

.small-logo {
  width: 2.5rem;
  height: 2.5rem;
}

.dowmload-button {
  position: absolute;
  top: 16.0rem;
  left: 50%;
  margin-left: -3.96rem;
  width: 7.92rem;
  height: 3rem;
  animation: myBreath 1s linear infinite;
}

.dowmload-button3 {
  position: absolute;
  top: 3.5rem;
  left: 50%;
  margin-left: 4.26rem;
  width: 2.92rem;
  height: 3rem;
  animation: myBreath 1s linear infinite;
}

@keyframes myBreath {
  0% {
    transform: scale(0.88);
  }
  50% {
    transform: scale(100%);
  }
  100% {
    transform: scale(0.88);
  }
}

.tip {
  display: flex;
}

.tip-content {
  margin-left: 0.3rem;
 
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.bit-game {
  font-size: 0.8rem;
}

.subtitle {
  font-size: 0.36rem;
  line-height: 0.6rem;
}

.dowmload {
  text-align: center;
  padding: 0.4rem;
  margin-right: 5px;
  font-size: 0.6rem;
  color: #fff;
  background: url("../image/btn_down2.png") no-repeat;
  background-size: 100% 100%;
}

/* @media only screen and (device-width: 375px) and (-webkit-device-pixel-ratio: 3) {
  .dowmload-button {
    top: 14.2rem;
  }
} */

/* @media screen and (min-width: 393px) {
  .dowmload-button {
    top: 14.8rem;
  }
} */
.logo,
.small-logo {
  border-radius: 15px;
}

.dowmload-button2 {
  position: absolute;
  top: 0.5rem;
  left: 45%;
  margin-left: 4.26rem;
  width: 2.92rem;
  height: 3rem;
  animation: myBreath 1s linear infinite;
}

.dowmload-button2
{
    width:80px;
    height:80px;
    line-height:36px;
    float:left;
    cursor:pointer;
    position:fixed;
    bottom:0;
    right:10px;
}