@charset "utf-8";

* {
  margin: 0;
  padding: 0;
}
html,
body {
  color: #000;
  font-family: Helvetica Neue, PingFang SC, Microsoft YaHei, Helvetica, Arial,
    sans-serif;
  height: 100%;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
a:any-link {
  color: unset;
}
ul,
li {
  list-style: none;
}
img{
  width: 100%;
}

body {
  background: #fff url(./images/Group2085663482.webp) no-repeat;
  background-size: cover;
}

header{
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  background: #fff;
}

nav{
  padding:0.17rem 1.8rem 0.17rem 0.96rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.2rem;
}

.logo img{
  width: 0.72rem;
}

.logo span{
  font-weight: 600;
  font-size: 0.36rem;
  color: #333;
}

.menu{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.14rem;
}

.menu a{
  background: #000;
  border-radius: 0.25rem;
  font-size: 0.14rem;
  color: #FFFFFF;
  padding: 0.14rem 0.18rem;
}

.top{
  text-align: center;
  color: #000000;
  padding-top: 2.13rem;
}

.top h1{
  font-size: 0.75rem;
  line-height: 0.96rem;
}

.top h2{
  font-size: 0.6rem;
  line-height: 0.83rem;
  margin-top: 0.1rem;
}

.top p{
  font-size: 0.4rem;
  line-height: 0.46rem;
  color: #333;
  margin-top: 0.44rem;
  margin-bottom: -0.2rem;
}

.top img{
 width: 14.54rem;
}

.flex-box{
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-box h3{
  font-weight: 900;
  font-size: 0.58rem;
  line-height: 0.72rem;
  color: #1C2C74;
  margin-bottom: 1.02rem;
}

.flex-box p{
  font-size: 0.4rem;
  color: #5D6383;
  line-height: 0.54rem;
}

.flex-box1{
  margin: 1.34rem 2.1rem 2.47rem 0.9rem;
}

.flex-box1 img{
  width: 6.8rem;
}

.flex-box2{
  text-align: right;
  gap: 0.66rem;
  margin: 0 1rem 0 2.24rem;
  padding-bottom: 1.8rem;
}

.flex-box2 img{
  width: 7.2rem;
}

@media screen and (max-width: 640px) {
  nav{
    padding: 10px 20px;
  }
  .logo img{
    width: 30px;
  }
  .logo span{
    font-size: 14px;
  }
  .menu a{
    font-size: 12px;
  }
  .top{
    padding-top: 84px;
  }
}