/* 字体 */
.w1200 {
  width: 1200px;
  min-width: 1200px;
  margin: 0 auto;
}
.nav-box {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 9;
  max-width: 1920px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}
.nav-box .nav {
  display: flex;
  width: 1200px;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
}
.nav-box .nav .nav-logo {
  margin-right: 15px;
}
.nav-box .nav .nav-item {
  display: flex;
  align-items: center;
}
.nav-box .nav .nav-item .item-list {
  position: relative;
  padding: 30px 20px;
}
.nav-box .nav .nav-item .item-list .item-list-link {
  font-size: 16px;
  color: #ffffff;
}
.nav-box .nav .nav-item .item-list .son-nav-item {
  position: absolute;
  display: none;
  top: 75px;
  left: 0;
  width: 174px;
  border-top: 3px solid #f7ae00;
  border-right: 1px solid #eeeeee;
  border-bottom: 1px solid #eeeeee;
  border-left: 1px solid #eeeeee;
  background-color: #ffffff;
}
.nav-box .nav .nav-item .item-list .son-nav-item .son-item-list {
  border-bottom: 1px solid #EEEEEE;
}
.nav-box .nav .nav-item .item-list .son-nav-item .son-item-list .son-item-list-link {
  display: inline-block;
  width: 100%;
  padding: 20px;
  font-size: 14px;
  font-weight: 300;
  color: #666666;
}
.nav-box .nav .nav-item .item-list:hover .son-nav-item {
  display: block;
}
.nav-box-bg-color {
  border-bottom: 1px solid #b8b8b8;
  background-color: #ffffff;
}
.nav-box-bg-color .nav .nav-item .item-list .item-list-link {
  color: #000000;
}
.row {
  margin: 0;
  padding: 0;
}
.container-main {
  width: 1200px;
  margin: 0 auto;
}
.show {
  display: block !important;
}
.hide {
  display: none !important;
}
/* footer */
.footer {
  color: #ffffff;
  background-color: #3a3a3a;
}
.footer .footer-top {
  padding: 30px 0;
}
.footer .footer-top .footer-top-contactus .contactus-list {
  margin-left: 110px;
  font-size: 14px;
  line-height: 30px;
  opacity: 0.8;
}
.footer .footer-top .footer-top-contactus .list-title {
  font-weight: bold;
  opacity: 1;
}
.footer .line {
  width: 100%;
  height: 1px;
  background-color: #eeeeee;
  opacity: 0.1;
}
.footer .footer-nav {
  padding-top: 30px;
  padding-bottom: 24px;
}
.footer .footer-nav .qr-coad .qr-coad-desc {
  margin-top: 5px;
}
.footer .footer-nav .footer-nav-right .nav-item .item-list {
  margin-left: 60px;
}
.footer .footer-nav .footer-nav-right .nav-item .item-list .item-list-link {
  font-size: 14px;
  color: #ffffff;
}
.footer .footer-nav .footer-nav-right .copyright {
  margin-top: 20px;
  font-size: 10px;
  font-weight: 300;
  opacity: 0.7;
}
/* 分页 */
.pages-box {
  width: 1200px;
  margin: 50px auto;
}
.pages-box .pages-item {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.pages-box .pages-item .pages-list {
  width: 30px;
  height: 30px;
  margin: 0 3px;
  border: 1px solid #dcdcdc;
}
.pages-box .pages-item .pages-list .pages-list-link {
  display: inline-block;
  width: 100%;
  height: 100%;
  text-align: center;
  font-size: 14px;
  line-height: 30px;
  font-weight: 400;
  color: #999999;
}
.pages-box .pages-item .next,
.pages-box .pages-item .prev {
  width: 55px;
  height: 30px;
}
.pages-box .pages-item .active {
  background-color: #657380;
}
.pages-box .pages-item .active .pages-list-link {
  color: #ffffff;
}
.go-top {
  position: fixed;
  display: none;
  cursor: pointer;
  right: 50px;
  bottom: 50px;
  z-index: 99;
}
.go-back {
  position: fixed;
  right: 50px;
  bottom: 50px;
  z-index: 99;
}