* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  line-height: 1.5;
}
html {
  font-size: 37.5px;
}
body {
  width: 100%;
  min-height: 100vh;
  background: #000;
  -webkit-text-size-adjust: 100%;
  font-family:
    PingFangSC-Regular,
    Roboto,
    Helvetica Neue,
    Helvetica,
    Tahoma,
    Arial,
    PingFang SC-Light,
    Microsoft YaHei;
}
img {
  display: block;
  max-width: 100%;
}
input {
  background-color: transparent;
  border: 0;
}
button {
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  outline: none;
  background-color: transparent;
}

button:active {
  opacity: 0.6;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-row {
  display: flex;
  flex-direction: row;
}
.justify-start {
  display: flex;
  justify-content: flex-start;
}
.justify-center {
  display: flex;
  justify-content: center;
}

.justify-end {
  display: flex;
  justify-content: flex-end;
}
.justify-evenly {
  display: flex;
  justify-content: space-evenly;
}
.justify-around {
  display: flex;
  justify-content: space-around;
}
.justify-between {
  display: flex;
  justify-content: space-between;
}
.align-start {
  display: flex;
  align-items: flex-start;
}
.align-center {
  display: flex;
  align-items: center;
}
.align-end {
  display: flex;
  align-items: flex-end;
}

.page {
  width: 100%;
  position: relative;
  max-width: 10rem;
  margin: auto;
  overflow: hidden;
  background: #000;
}

.main-bg {
  display: block;
  width: 100%;
}

.main-bg img {
  width: 100%;
  height: auto;
}

.toast-msg {
  position: fixed;
  left: 50%;
  bottom: 1.066rem;
  z-index: 99;
  padding: 0.24rem 0.346rem;
  border: 1px solid #c3944d;
  border-radius: 0.24rem;
  background: #000;
  color: #fff;
  font-size: 0.32rem;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  -webkit-transform: translateX(-50%) scale(0.9);
  transform: translateX(-50%) scale(0.9);
  -webkit-transition:
    opacity 0.3s ease,
    -webkit-transform 0.3s ease;
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}