body * {
  box-sizing: border-box;
  flex-shrink: 0;
}

html {
  font-family: sans-serif;
  /* 1 */
  -ms-text-size-adjust: 100%;
  /* 2 */
  -webkit-text-size-adjust: 100%;
  /* 2 */
}

a {
  color: #fff;
  text-decoration: none;
}

@media screen and (min-width: 700px) {
  html {
    display: flex;
    justify-content: center;
  }

  .box_10 {
    height: 80rem;
    position: fixed;
    width: 1440rem;
    z-index: 9999;
    background: #fff;
    display: flex;
    top: 0;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
    padding: 0 98rem;
    position: absolute;
  }
}

@media screen and (max-width: 700px) {
  .box_10 {
    height: 80rem;
    position: fixed;
    width: 100%;
    z-index: 9999;
    background: #fff;
    display: flex;
    top: 0;
    align-items: center;
    justify-content: space-between;
    left: 0;
    margin: 0;
    padding: 0;
  }
}

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

button {
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  outline: none;
  background-color: transparent;
}

img {
  width: 100%;
  height: 100%;
}

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;
}