.bred {
  border: 1px solid red;
}
* {
  margin: 0;
  padding: 0;
}
body {
  font-size: 0;
  color: #ffffff;
  font-family: Source Han Sans CN, Source Han Sans CN;
}
header,
section,
footer {
  margin-bottom: -1px;
}
.flex-r-s {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
}
.flex-r-s-s {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: flex-start;
}
.flex-r-c {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}
.flex-c-s {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}
.f24 {
  font-size: 0.24rem;
}
.topFixed {
  position: fixed;
  overflow: hidden;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  z-index: 99;
  background-color: #4773e6;
}
.topFixed-img {
  margin-left: 2.46rem;
  width: 0.6rem;
  height: 0.6re;
}
.topFixed-txt {
  font-size: 0.24rem;
}
.header-wrap {
  width: 100%;
}
.logo {
  position: absolute;
  left: 12.8%;
  top: 0.19rem;
  font-size: 0.24rem;
}
.logo-img {
  width: 0.6rem;
  height: 0.6rem;
}
.logo-text-second {
  margin-left: 0.56rem;
}
.content-first {
  position: absolute;
  left: 12.8%;
  top: 1.88rem;
}
.content-first-title {
  font-weight: bold;
  font-size: 0.8rem;
  color: #60f5ef;
  font-style: normal;
  margin-bottom: 0.66rem;
}
.content-first img {
  width: 0.3rem;
  height: 0.3rem;
  margin-right: 0.22rem;
}
.content-first-txt {
  margin-bottom: 0.38rem;
  font-size: 0.3rem;
}
.btn-wrap {
  display: block;
  width: 3.5rem;
  height: 0.6rem;
  border-radius: 0px 0.1rem 0px 0.1rem;
  border: 0.02rem solid #60f5ef;
  margin-right: 0.2rem;
  text-decoration: none;
}
.btn-wrap img {
  width: 0.4rem;
  height: 0.4rem;
}
.btn-wrap .txt {
  font-size: 0.22rem;
  color: #60f5ef;
}
.intro-first-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.intro-first-txt-first {
  font-weight: bold;
  font-size: 0.7rem;
  margin: 0.96rem 0 0.49rem;
  color: #60f5ef;
}
.intro-first-txt-second {
  font-weight: 400;
  font-size: 0.26rem;
  color: #c7c3c3;
  margin-bottom: 0.16rem;
  line-height: 0.36rem;
}
.intro-second-wrap {
  position: absolute;
  width: 6.42rem;
  top: 2.5rem;
  right: 3.18rem;
}
.intro-third-wrap {
  position: absolute;
  width: 11.17rem;
  top: -0.7rem;
  left: 2.46rem;
}
.intro-fourth-wrap {
  position: absolute;
  width: 7.74rem;
  top: 1.8rem;
  left: 2.46rem;
}
.footer-wrap {
  position: absolute;
  top: 1.64rem;
  left: 2.46rem;
}
.footer-right {
  margin-left: 3.09rem;
  font-size: 0.28rem;
}
.footer-right img {
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.25rem;
}
@media screen and (max-width: 900px) {
  .topFixed .topFixed-img {
    margin-left: 2.46rem;
    width: 2rem;
    height: 2rem;
  }
  .topFixed .topFixed-txt {
    font-size: 0.7rem;
  }
  /*
  .header-wrap .logo-img {
    width: 50px;
    height: 50px;
  }
   .header-wrap .logo {
    top: -5px;
  }
  .header-wrap .content-first {
    left: 5%;
  }
  .header-wrap .content-first .content-first-title {
    font-size: 22px;
  }
  .header-wrap .content-first img {
    width: 30px;
    height: 30px;
  }  */
}