* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
}
.flex {
  display: flex;
}
.flex-direction {
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.align-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.justify-end {
  justify-content: flex-end;
}
.wrapper {
  width: 1400px;
  min-width: 1200px;
  margin: 0 auto;
}
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 100px;
  background-color: #fff;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}
.header .logo img {
  width: 70px;
  height: 70px;
}
.header .logo span {
  font-size: 30px;
  margin-left: 20px;
}
.header .nav li {
  position: relative;
  font-size: 18px;
  margin-left: 130px;
  font-weight: 700;
}
.header .nav li a {
  color: #000;
}
.header .nav .active a {
  color: #1fab0a;
}
.header .nav .active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translate(-50%, 0);
  width: 50%;
  height: 2px;
  background-color: #1fab0a;
}
.banner {
  width: 100%;
  height: 720px;
  overflow: hidden;
  background-image: url(../img/v2_rjh3k8.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
}
.banner .banner-txt {
  width: 100%;
  height: 100%;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.3);
}
.banner .banner-txt .wrapper {
  height: 100%;
}
.banner .banner-txt span {
  font-size: 48px;
  margin-bottom: 20px;
}
.banner .banner-txt p {
  font-size: 20px;
  margin-bottom: 60px;
}
.banner .banner-txt .icon-shubiao {
  font-size: 44px;
}
.project {
  padding: 50px 0;
}
.project .title_hd {
  position: relative;
  width: fit-content;
  margin: 0 auto 70px;
  font-size: 30px;
}
.project .title_hd::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translate(-50%, 0);
  width: 80%;
  height: 3px;
  background-color: #1fab0a;
}
.project ul li {
  width: 32%;
}
.project ul li img {
  width: 100%;
  height: 490px;
  border-radius: 10px;
}
.project ul li h3 {
  font-size: 24px;
  font-weight: 400;
  text-align: center;
  margin: 20px 0;
}
.project ul li p {
  padding: 0 20px;
  color: #666;
}
.project .item {
  width: 500px;
  height: 300px;
  background-color: #a0d8eb;
  border-radius: 10px;
  padding: 30px;
  margin-right: 20px;
}
.project .item .iconfont {
  font-size: 80px;
  color: #fff;
}
.project .item h3 {
  font-size: 24px;
  font-weight: 400;
  margin: 20px 0 10px;
}
.project .bg-green {
  background-color: #b4ecde;
}
.project .bg-yellow {
  background-color: #ffd864;
}
.project .bg-pink {
  background-color: #f7dfe7;
}
.project .pursuit {
  width: 33.3%;
  padding: 30px 0;
  cursor: pointer;
}
.project .pursuit:hover {
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
  border-radius: 20px;
}
.project .pursuit .icon_box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 200px;
  background-color: #00beaf;
  border-radius: 50%;
}
.project .pursuit .icon_box .iconfont {
  font-size: 120px;
  color: #fff;
}
.project .pursuit .icon_box .icon-icon1 {
  margin-top: -20px;
}
.project .pursuit .bg-orange {
  background-color: #ff8c00;
}
.project .pursuit .bg-green {
  background-color: #6cd01b;
}
.project .pursuit h3 {
  font-size: 24px;
  font-weight: 400;
  margin: 15px 0;
}
.project .pursuit p {
  color: #999;
  margin-bottom: 5px;
}
.project .contact h2 {
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 20px;
}
.project .contact p {
  margin-bottom: 10px;
  font-size: 16px;
}
.project .intro,
.project .culture {
  padding: 0 100px;
}
.project .intro .img_box,
.project .culture .img_box {
  position: relative;
}
.project .intro .img_box::after,
.project .culture .img_box::after {
  content: '';
  position: absolute;
  top: 50px;
  left: -50px;
  width: 660px;
  height: 425px;
  background-color: #f5f5f5;
  z-index: -1;
}
.project .intro img,
.project .culture img {
  display: block;
  width: 660px;
  height: 425px;
  margin-right: 70px;
}
.project .intro h2,
.project .culture h2 {
  position: relative;
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 50px;
}
.project .intro h2::after,
.project .culture h2::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  width: 50px;
  height: 8px;
  background-color: #21a00e;
}
.project .intro p,
.project .culture p {
  font-size: 18px;
  line-height: 35px;
}
.project .culture {
  margin-top: 200px;
}
.project .culture .img_box {
  position: relative;
}
.project .culture .img_box::after {
  content: '';
  top: 50%;
  left: 20px;
  transform: translate(0, -50%);
  height: 350px;
}
.project .culture img {
  margin-right: 0;
  margin-left: 70px;
}
.bg-gray {
  background-color: #f9f9f9;
}
.footer {
  width: 100%;
  background-color: #ececec;
  font-size: 14px;
  padding-top: 30px;
}
.footer ul {
  padding-bottom: 30px;
}
.footer ul li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 30px;
}
.footer ul li img {
  width: 120px;
  height: 120px;
  margin-bottom: 10px;
}
.footer .foot {
  height: 80px;
  border-top: 1px solid #ccc;
}
.footer a {
  color: #000;
  margin-right: 5px;
}