* {
  margin: 0;
  padding: 0;
  list-style: none;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
body {
  font-family: Jost;
  /* background: #f9f9fc; */
  font-size: 0.2rem;
}
a {
  text-decoration: none; /*  */
  color: inherit; /*  */
}
input {
  border: none; /*  */
  outline: none; /* （）*/
  background: none; /*  */
  padding: 0; /*  */
  margin: 0; /*  */
  font-family: inherit; /*  */
}
header {
  width: 28.8rem;
  height: 2.5rem;
  background: #071b40;
  box-shadow: 0rem 0.08rem 0.2rem 0rem rgba(13, 27, 62, 0.1);
  border-radius: 0rem 0rem 0.6rem 0.6rem;
  display: flex;
  align-items: center;
}
header .logo {
  width: 5.48rem;
  height: 1.52rem;
  margin-left: 1.6rem;
  margin-right: 2.1rem;
}
header .menu {
  width: 18.8rem;
  height: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header .menu li {
  padding: 0.16rem 0.4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
header .menu li.active {
  background: #ffffff;
  border-radius: 0.08rem 0.08rem 0.08rem 0.08rem;
  color: #071b40;
}

header .menu li a {
  font-weight: 400;
  font-size: 0.4rem;
  color: #ffffff;
  line-height: 0.47rem;
}

header .menu li.active a {
  color: #071b40;
}

.ad-box {
  width: 28.8rem;
  height: 8.68rem;
  display: flex;
  background: url(../images/home/top-left.png) no-repeat left top #ffffff;
  background-size: 2.16rem 3.04rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 13.38rem;
}
.ad-box img{
  width: 25.64rem;
  height: 7.56rem;
}

.font-builder {
  font-family: JostBold;
  font-size: 1.26rem;
  color: #333333;
  line-height: 1.48rem;
  visibility: hidden;
}
.four-img-box {
  width: 28.8rem;
  height: 14.54rem;
  background: url(../images/home/four-img-bg.webp) no-repeat;
  background-size: 28.8rem 14.54rem;
  display: flex;
  align-items: center;
  padding-left: 1.68rem;
}
.four_left {
  width: 5.96rem;
  height: 9.82rem;
}
.four_left img {
  width: 5.96rem;
  height: 9.82rem;
}
.four_right {
  width: 18.66rem;
  height: 11.54rem;
  display: flex;
  flex-wrap: wrap;
  margin-left: 1.18rem;
}
.img_title {
  padding-bottom: 0.62rem;
  display: flex;
  flex-direction: column;
  font-family: JostBold;
  font-size: 0.64rem;
  color: #ffffff;
  line-height: 0.96rem;
}
.pr11 {
  padding-right: 1rem;
}
.img_title img {
  width: 8.79rem;
  height: 4.35rem;
  transition: all ease 0.5s;
}
.img_title img:hover {
  transform: scale(1.1);
}