header {
  width: 100%;
  height: 60px;
  background-color: rgba(0, 0, 0, 0.8);
  position: fixed;
  z-index: 999;
  top: 0;
}
.header-box {
  width: 1200px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  font-size: 16px;
  color: #fff;
  margin: 0 auto;
}
.logo-img {
  width: 160px;
  height: 38px;
}
.nav {
  display: flex;
}
.nav li {
  width: 100px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  position: relative;
}
.nav .active a {
  color: #ED6C00;
}
.nav .active::after {
  position: absolute;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: #ED6C00;
  content: '';
  left: 50%;
  transform: translateX(-50%);
}
.banner {
  width: 100%;
  position: relative;
}
.banner-text {
  position: absolute;
  top: 50%;
  left: 50%;
  color: #fff;
  font-weight: bold;
  font-size: 50px;
  transform: translateX(-50%);
}
.section {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}
.section .tabs {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-top: 60px;
  margin-bottom: 40px;
}
.section .tabs .tab-item.active {
  color: #ED6C00;
  font-weight: bold;
}
.section .tabs .tab-item:hover {
  cursor: pointer;
}
.pro-list-wrap {
  display: none;
}
.pro-list-wrap.active {
  display: block;
}
.pro-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.pro-box {
  width: 382px;
  border: 1px solid #E6E6E6;
  margin-bottom: 30px;
  text-align: center;
}
.pro-box p {
  line-height: 80px;
  font-size: 18px;
}
.production-img {
  width: 382px;
  height: 457px;
}
.pro3-img {
  width: 382px;
  height: 296px;
}
.pro-list::after {
  content: '';
  width: 382px;
  height: 0;
}
.small-title {
  font-size: 20px;
  font-weight: bold;
  padding: 25px 0;
  border-bottom: 2px solid #959595;
  margin-top: 100px;
  margin-bottom: 30px;
}
.params-list-wrap {
  display: none;
}
.params-list-wrap.active {
  display: block;
}
.params-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.params-list .params-item {
  width: 33.33%;
  margin-bottom: 40px;
}
.params-list .params-item .label {
  color: #A0A0A0;
  margin-bottom: 16px;
}
.params-list .params-item .value p {
  line-height: 28px;
}

footer {
  background-color: #1A1A1A;
  padding: 68px 0;
  margin-top: 30px;
}
.footer-content {
  width: 1200px;
  margin: 0 auto;
  display: flex;
}
.footer-content ul {
  margin-right: 86px;
}
.footer-content ul li {
  color: #fff;
  font-size: 16px;
  margin-bottom: 40px;
}
.footer-content ul li a {
  color: #8A8A8A;
}
.app-box p {
  text-align: center;
  color: #fff;
  margin-top: 46px;
}
.app-img {
  width: 136px;
  height: 136px;
}

.footer-info {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
}
.footer-info .icon-gongan {
  width: 20px;
  height: 20px;
}
.footer-info .info1 {
  color: #fff;
  font-size: 14px;
  margin-left: 5px;
}
.footer-info .info2 {
  color: #fff;
  font-size: 14px;
  margin-left: 20px;
}