html,body{
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: sans-serif;
  background: #ECEFF1;
  color: rgba(0, 0, 0, 0.87);
}
*{
  box-sizing: border-box;
}

#app{
  display: flex;
  height: 100%;
  align-items: center;
  padding: 20px;
}
.container{
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.main_title{
  text-align: center;
  font-size: 56px;
  font-weight: 800;
  color: #E91E63;
  -webkit-text-size-adjust: 100%;
}
.sub_title{
  font-size: 28px;
  margin: 5px 0;
}
.download_btn{
  display: inline-block;
  border: 2px solid #E91E63;
  border-radius: 5px;
  padding: 8px 20px;
  margin: 10px 0;
  text-decoration: none;
  color: #E91E63;
  font-size: 14px;
  outline: none;
}
.download_btn:hover{
  background: #E91E63;
  color: #ffffff;
}
.remark{
  font-size: 14px;
  margin: 10px 0;
}
.notice{
  font-size: 13px;
  color: #2962FF;
}
.slogan{
  margin-top: 20px;
  font-size: 12px;
}
.pica_girl_on,
.pica_girl_off{
  display: block;
  position: fixed;
  right: 0;
  bottom: 0;
  width: 100px;
  height: 100px;
}
.pica_girl_off{
  display: none;
}
.seo_logo{
  position: fixed;
  left: 100%;
}
.seo_logo_show{
  position: absolute;
  right: 0;
  bottom: 0;
}
.offline .download_btn,
.offline .download_btn:hover{
  border: 2px solid #808080;
  color: #808080;
  background: #ECEFF1;
}
.offline .pica_girl_on{
  display: none;
}
.offline .pica_girl_off{
  display: block;
}

#login_bg{
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.87);
}
#login_box{
  display: none;
  position: fixed;
  margin: auto;
  top: 100px;
  left: 0;
  right: 0;
  background: #ffffff;
  width: 300px;
  border-radius: 2px;
  overflow: hidden;
}
.login_title{
  line-height: 60px;
  background: #E91E63;
  color: #ffffff;
  font-size: 22px;
  text-align: center;
}
.login_input{
  display: block;
  margin: 20px auto;
  width: 260px;
  border: none;
  border-bottom: 1px solid #aaaaaa;
  font-size: 20px;
  line-height: 30px;
  text-align: center;
  outline: none;
}
.login_btn{
  width: 200px;
  margin: 0 auto;
  line-height: 30px;
  text-align: center;
  background: #E91E63;
  border-radius: 2px;
  color: #ffffff;
}
.login_remark{
  font-size: 12px;
  text-align: right;
  color: #aaaaaa;
  margin: 5px 10px;
}

@media screen and (max-width: 450px){
  .main_title{
    font-size: 38px;
  }
  .sub_title{
    font-size: 18px;
  }
  .seo_logo_show{
    display: none;
  }
}