* {
  padding: 0;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  font-family:
    system-ui,
    Apple Color Emoji,
    Segoe UI Emoji,
    Segoe UI Symbol,
    Noto Color Emoji,
    -apple-system,
    Segoe UI,
    Roboto,
    Ubuntu,
    Cantarell,
    Noto Sans,
    sans-serif,
    BlinkMacSystemFont,
    Helvetica Neue,
    Arial,
    PingFang SC,
    PingFang TC,
    PingFang HK,
    Microsoft Yahei,
    Microsoft JhengHei;
}
a {
  text-decoration-line: none;
  color: #000;
}
.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.flex-main-start {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.magrin-left-10 {
  margin-left: 10px;
}
.magrin-left-20 {
  margin-left: 20px;
}
.max-width-1200 {
  width: 1200px;
}