* {
  margin: 0;
  padding: 0;
}

body * {
  box-sizing: border-box;
  flex-shrink: 0;
  font-size: 14px;
}

body {
  font-family: PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma,
  Arial, PingFang SC-Light, Microsoft YaHei;
}

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;
}

a {
  text-decoration: none;
}

.w-1280 {
  width: 1200px;
}

.flex-column {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-end {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.flex {
  display: flex;
  justify-content: center;
  align-items: center;
}
.align-center {
  display: flex;
  align-items: center;
}

.flex-1 {
  flex: 1;
}