body {
  margin: 0;
  padding: 0;
  font-size: 14px;
  color: #202d40;
}

/* 公共类 */
.ican-flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.ican-flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ican-text-center {
  text-align: center;
}
.ican-color-primary {
  color: #3673fe;
}
.ican-mobile {
  display: none;
}
.ican-pc {
  display: block;
}
.ican-border-size {
  box-sizing: border-box;
}
.ican-content-size {
  box-sizing: content-box;
}
.ican-bg-white {
  background-color: #fff;
}
.ican-hidden {
  display: none;
}
.ican-position-relative {
  position: relative;
}
@media (max-width: 768px) {
  .ican-pc {
    display: none;
  }
  .ican-mobile {
    display: block;
  }
}