html,
body,p,div,input {
  margin: 0;
  padding: 0;
  font-size: 16px;
  font-family:  PingFangSC-Medium, PingFang SC;
}

:root{
  --theme-color:#1CD097
}

img {
  width: 100%;
}

.main {
  width: 100vw;
}
.login {
  height: 100vh;
}


.btn{
  margin: 20px 15px;
  background-color: var(--theme-color);
  text-align: center;
  color: #fff;
  font-size: 18px;
  height: 55px;
  line-height: 55px;
  border-radius: 3px;
}

.toast{
  position: fixed;
  z-index: 999;
  bottom: 30%;
  width: 100%;
  text-align: center;
  display: none;
}
.toast.open{
  display: block;
}
.toast span{
  padding: 20px;
  background-color: rgba(0, 0, 0, .6);
  color: #fff;
  border-radius: 20px;
  max-width: 200px;
  display: inline-block;
}


.modal {
  position: fixed;
  width: 100vh;
  height: 100vh;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  display: none;
}
.modal.open {
  display: block;
}
.mask {
  position: fixed;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1;
}
.modal-box {
  position: fixed;
  z-index: 3;
  width: 100%;
  max-width: 600px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}