body * {
  box-sizing: border-box;
  flex-shrink: 0;
}
body {
  /* font-family: PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma,
    Arial, PingFang SC-Light, Microsoft YaHei; */
    font-family: "Roboto_Light";
    margin: 0;
}

@font-face {
  font-family: 'Roboto_Light';
  src: url('../font/Roboto-Light.TTF'); /* URL指向你的.ttf或.otf文件 */
  /* 可以包括其他格式，如.eot、woff等 */
  /* 如果有 Multiple Font Sources 可以添加 */
  font-style: normal;
  font-weight: normal;
}
@font-face {
  font-family: 'PingFang_Medium';
  src: url('../font/PingFang Medium.ttf'); /* URL指向你的.ttf或.otf文件 */
  /* 可以包括其他格式，如.eot、woff等 */
  /* 如果有 Multiple Font Sources 可以添加 */
  font-style: normal;
  font-weight: normal;
}


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;
  justify-content: center;
  align-items: center;
}
.flex-row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}
.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;
}
a {
  text-decoration: none;
}