.rel {
  position: relative;
}
.abs {
  position: absolute;
}
.fixed {
  position: fixed;
}
.flex {
  display: flex;
}
.inline-block {
  display: inline-block;
}
.block {
  display: block;
}
.hide {
  display: none;
}
.bold {
  font-weight: 700;
}
.txt-center {
  text-align: center;
}
.txt-left {
  text-align: left;
}
.txt-right {
  text-align: right;
}
.flex {
  display: flex;
}
.flex-wrap {
  flex-flow: wrap;
}
.box-shadow {
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
.transition {
  transition: all .3s ease;
  -webkit-transition: all .3s ease;
}
body,
html {
  background: #fff;
}
.box-container-fluid {
  width: 100%;
}
.box-container {
  width: 84.08%;
  margin: 0 auto;
}
@media screen and (max-width: 47.9375rem) {
  .box-container {
    width: 100%;
    padding: 0 .625rem;
  }
}
.header-section {
  display: flex;
  position: relative;
  z-index: 500;
}
.header-section .logo-box,
.header-section .pc-nav-box {
  width: 100%;
}
.header-section .logo-box {
  flex: 0 0 13.3125rem;
}
.header-section .logo-box a {
  display: block;
  padding-top: 1.875rem;
}
.header-section .logo-box a img {
  width: 100%;
  height: 1.25rem;
  object-fit: contain;
}
.header-section .pc-nav-box {
  flex: 0 0 920px;
  margin-left: 29.1875rem;
}
.header-section .pc-nav-box ul {
  width: 100%;
  overflow: hidden;
  text-align: right;
}
.header-section .pc-nav-box ul li {
  display: inline-block;
  margin-right: 5.25rem;
  font-size: 0;
}
.header-section .pc-nav-box ul li:last-child {
  margin-right: 0;
}
.header-section .pc-nav-box ul li:hover > a,
.header-section .pc-nav-box ul li.on > a {
  font-weight: 700;
}
.header-section .pc-nav-box ul li:hover > a {
  transform: translateY(-5px);
  -webkit-transform: translateY(-5px);
}
.header-section .pc-nav-box ul li > a {
  display: block;
  color: #333;
  font-size: 1rem;
  height: 5rem;
  line-height: 5rem;
  transition: all .3s ease;
  -webkit-transition: all .3s ease;
}
.header-section .pc-nav-box ul li:hover .second-nav-box {
  display: block !important;
}
.header-section .pc-nav-box ul li:nth-child(2) .second-nav-box {
  padding-right: 4%;
}
.header-section .pc-nav-box ul li:last-child .second-nav-box,
.header-section .pc-nav-box ul li:nth-last-child(2) .second-nav-box {
  text-align: right;
}
.header-section .pc-nav-box ul li:nth-last-child(2) .second-nav-box {
  padding-right: 2%;
}
.header-section .pc-nav-box ul li:nth-last-child(3) .second-nav-box {
  padding-right: 2%;
}
.header-section .pc-nav-box ul li .second-nav-box {
  display: none;
  width: 84.08%;
  position: fixed;
  left: 8%;
  top: 5rem;
  background: rgba(0, 0, 0, 0.6);
  height: 5rem;
  line-height: 5rem;
  z-index: 11;
  text-align: center;
  padding: 0 0 0 42%;
}
.header-section .pc-nav-box ul li .second-nav-box a {
  display: inline-block;
  font-size: 0.875rem;
  color: #d7d6d6;
  margin-right: 3.75rem;
}
.header-section .pc-nav-box ul li .second-nav-box a:hover,
.header-section .pc-nav-box ul li .second-nav-box a.on {
  color: #fff;
}
.footer-bg {
  background: #f6f6f6;
  padding-top: 4.3125rem;
}
.footer-bg .footer-section {
  display: flex;
}
.footer-bg .footer-section .service-box {
  flex: 0 0 22.0625rem;
  width: 100%;
}
.footer-bg .footer-section .service-box .title {
  font-size: 1rem;
  color: #333;
  font-weight: 700;
  margin-bottom: 1.0625rem;
}
.footer-bg .footer-section .service-box .hot-line {
  font-size: 1.5rem;
  color: #333;
  font-family: fantasy;
}
.footer-bg .footer-section .service-box p {
  font-size: 0.75rem;
  color: #999;
  margin-bottom: 2.8125rem;
}
.footer-bg .footer-section .service-box .online {
  display: inline-block;
  width: 9.25rem;
  height: 2.875rem;
  line-height: 2.375rem;
  color: #f2f2f2;
  background: #000;
  text-align: center;
  transition: all .3s ease;
  -webkit-transition: all .3s ease;
}
.footer-bg .footer-section .service-box .online:hover {
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
  -webkit-transform: translateY(-5px);
}
.footer-bg .footer-section .service-box .online i {
  margin-right: 0.8125rem;
  font-size: 1.625rem;
  position: relative;
  top: 2px;
  color: #b1b1b1;
}
.footer-bg .footer-nav-box {
  flex: 1;
  display: flex;
}
.footer-bg .footer-nav-box dl {
  flex: 1;
}
.footer-bg .footer-nav-box dl dt {
  font-size: 1rem;
  color: #333;
  font-weight: 700;
  margin-bottom: 2.5rem;
  letter-spacing: 1px;
}
.footer-bg .footer-nav-box dl dd {
  margin-bottom: 0.625rem;
}
.footer-bg .footer-nav-box dl dd a {
  font-size: 0.75rem;
  color: #666;
}
.footer-bg .footer-nav-box dl dd a:hover {
  color: #000;
}
.footer-bg .footer-nav-box dl dd.icon-group {
  display: flex;
}
.footer-bg .footer-nav-box dl dd.icon-group a {
  display: inline-block;
  width: 2.125rem;
  height: 2.125rem;
  line-height: 2.125rem;
  text-align: center;
  border-radius: 50%;
  background: #e6e6e6;
  color: #c2c2c2;
  margin-right: 0.9375rem;
  font-size: 1.375rem;
}
.footer-bg .footer-nav-box dl dd.icon-group a:hover {
  background: #000;
  color: #fff;
}
.footer-bg .footer-nav-box dl dd.icon-group a.icon-wechat {
  line-height: 2.3125rem;
}
.footer-bg .footer-nav-box dl dd.icon-group a.icon-qq {
  font-size: 1.25rem;
}
.footer-bg .copyright-section {
  margin-top: 14.375rem;
  display: flex;
  justify-content: space-between;
  padding-bottom: 2.625rem;
}
.footer-bg .copyright-section .link {
  flex: 1;
  font-size: 0;
  width: 100%;
}
.footer-bg .copyright-section .link a {
  display: inline-block;
  margin-right: 1.875rem;
  color: #888;
  font-size: 0.75rem;
}
.footer-bg .copyright-section .link a:hover {
  color: #000;
}
.footer-bg .copyright-section .link a:last-child {
  margin-right: 0;
}
.footer-bg .copyright-section .web-desc {
  flex: 1;
  width: 100%;
  color: #888;
  font-size: 0.75rem;
  text-align: right;
}
.footer-bg .copyright-section .web-desc a {
  display: inline-block;
  color: #888;
  font-size: 0.75rem;
  margin: 0 3px;
}
.footer-bg .copyright-section .web-desc a:hover {
  color: #000;
}
.hidden-pc {
  display: none!important;
}
@media screen and (max-width: 767px) {
  .hidden-pc {
    display: block!important;
  }
  .hidden-xs {
    display: none!important;
  }
}
