* {
  margin: 0;
  padding: 0;
}
body,
html {
  width: 100%;
  height: 100%;
}
.page-box {
  width: 100%;
  max-width: 550px;
  margin: 0 auto;
  background-size: 100% 100%;
}
.content{
  width: 100%;
}
.content img{
  width: 100%;
  display: block;
  margin: 0 auto;
}
.kefu-box{
  width: 80px;
  position: fixed;
  top: 35%;
  right: 0;
  z-index: 99;
}
.kefu-box img{
  width: 100%;
  display: block;
}


.bottom{
  width: 100%;
  max-width: 550px;
  position: fixed;
  bottom: 0;
  z-index: 9999;
}
.bottom img{
  width: 100%;
  display: block;
  margin: 0 auto;
}
.tg-box{
  width: 80px;
  position: fixed;
  top: 65%;
  right: 0;
  z-index: 99;
}
.tg-box img{
  width: 100%;
  display: block;
}