@charset "UTF-8";
.header-about {
  width: 10rem;
  height: 1.5rem;
  background: #ff3f40;
}

.header-about .nav-header {
  width: 100%;
  height: 1.5rem;
  overflow: hidden;
  text-align: center;
}

.header-about .nav-header a {
  height: 0.375rem;
  color: #fff;
  font-size: 0.375rem;
  line-height: 0.375rem;
  display: inline-block;
  padding: 0 0.375rem;
  border-right: 0.01562rem solid #fff;
  margin: 0.1875rem 0 0 0;
}

.header-about .nav-header a:nth-child(4), .header-about .nav-header a:nth-child(7) {
  border: none;
}

/* 内容 */
.c {
  width: 95%;
  overflow: hidden;
  margin: 0 auto 1.5625rem auto;
}

.c img {
  max-width: 100%;
  height: auto;
  margin: 0.1875rem auto;
}

.c span {
  text-align: justify;
  text-justify: inter-ideograph;
  /* display: block; */
  line-height: 0.78125rem;
}