.banner {
  position: relative;
  width: 100%;
}
.banner img {
  max-width: 100%;
  min-height: 100%;
  margin: auto;
  object-fit: cover;
}
.banner .nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  display: -webkit-flex;
  background-color: #FFFFFF;
}
.banner .nav .nav_title::before {
  position: absolute;
  top: 45%;
  right: -8%;
  content: "";
  width: 0;
  height: 0;
  border: 9px solid transparent;
  border-style: dashed solid dashed dashed;
  border-left-color: #f37222;
}
.banner .nav .nav_title {
  position: relative;
  width: 15.14%;
  padding: 1.7% 5.71% 1.86% 1.6%;
  box-sizing: border-box;
  background-color: #f37222;
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-direction: column;
}
.banner .nav .nav_title span::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -10px;
  width: 4px;
  height: 20px;
  background-color: #FFFFFF;
}
.banner .nav .nav_title span {
  position: relative;
  margin-left: 9.88%;
  font-size: 22px;
  color: #FFFFFF;
  font-weight: 600;
}
.banner .nav .nav_title i {
  margin-top: 1%;
  font-size: 12px;
  color: #feb588;
}
.banner .nav .nav_tab {
  width: 66.43%;
  padding: 2.36% 0 1.79% 4.14%;
  box-sizing: border-box;
  display: flex;
  display: -webkit-flex;
  justify-content: flex-start;
}
.banner .nav .nav_tab ul {
  width: 40.89%;
  box-sizing: border-box;
  display: flex;
  display: -webkit-flex;
  justify-content: flex-start;
  align-items: center;
}
.banner .nav .nav_tab ul li {
  flex: 1;
  display: flex;
  height:95%;
  display: -webkit-flex;
  justify-content: center;
}
.banner .nav .nav_tab ul li a {
  position: relative;
  text-align: center;
  padding: 9px 0;
  font-size: 15px;
  color: #404040;
  box-sizing: border-box;
}
.banner .nav .nav_tab ul li .nav_down_line::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: #F37222;
  transition: all 0.5s ease 0s;
}
.banner .nav .nav_tab ul li .active {
  color: #F37222;
  border-bottom: 3px solid #F37222;
}
.banner .nav .nav_tab ul li:hover a {
  color: #F37222;
}
.banner .nav .nav_tab ul li:hover .nav_down_line::after {
  width: 100%;
}
.banner .nav .nav_go {
  flex: 1;
  box-sizing: border-box;
  padding: 1.5% 0;
  display: flex;
  align-items: center;
  display: -webkit-flex;
}
.banner .nav .nav_go p {
  width: 100%;
  height: 100%;
  padding: 0 10%;
  box-sizing: border-box;
  display: flex;
  display: -webkit-flex;
  align-items: center;
  justify-content: space-between;
  border-left: 1px solid #cccccc;
}
.banner .nav .nav_go p i img {
  max-width: 100%;
  max-height: 100%;
  margin: auto;
  object-fit: cover;
}
.banner .nav .nav_go p span {
  font-size: 6px;
  color: #888;
}
.banner .nav .nav_go p a {
  font-size: 12px;
  color: #888;
}
.nav_box{
  width:100%;
  margin:5px 0;
  display:none;
  justify-content:center;
}
.nav_box select{
  width:95%;
  background: url(../img/ico_jt4.png) no-repeat 97% center #EDEDED;
  background-size: 20px;
  border: 1px solid #D4D4D4;
  height: 40px;
  padding: 0 8px;
  outline: none;
  -webkit-appearance: none;
}
.title_content {
  width: 100%;
  padding: 3.75% 0;
  background-color: #f4f4f4;
}
.title_content .title_mod {
  max-width:1400px;
  margin: 0 auto;
  display: flex;
  flex-wrap:wrap-reverse;
  display: -webkit-flex;
}
.title_content .title_mod .mod_banner {
  flex: 1;
  overflow: hidden;
}
.title_content .title_mod .mod_banner img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  margin: auto;
  transition: all 1.5s;
}
.title_content .title_mod .mod_banner:hover img {
  transform: scale(1.2);
}
.title_content .title_mod .since {
  width: 37.86%;
  background-color: #f37222;
  display: flex;
  display: -webkit-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.title_content .title_mod .since h3 {
  font-size: 45px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 4.15%;
}
.title_content .title_mod .since p {
  border: 3px solid #FFFFFF;
  padding: 4.9% 6.04% 6.41%;
  display: flex;
  display: -webkit-flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}
.title_content .title_mod .since p span {
  font-size: 28px;
  color: #FFFFFF;
}
.title_content .title_mod .since p i {
  letter-spacing: 8px;
  box-sizing: border-box;
  padding-left: 8px;
  font-size: 16px;
  color: #FFFFFF;
  width: 100%;
  text-align: center;
}
.content {
  width: 100%;
  background-color: #FFFFFF;
}
.content .content_mod {
  max-width:1400px;
  margin: 0 auto;
  padding: 2.55% 0 5.58%;
}
.content .content_mod h3 {
  font-size: 23px;
  color: #333333;
  font-weight: 600;
  margin-bottom: 3.28%;
}
.content .content_mod .company_link::before {
  position: absolute;
  top: -8%;
  left: 45%;
  content: "旗下公司";
  color: #FFFFFF;
  font-weight: 600;
  text-align: center;
  font-size: 22px;
  width: 12.2%;
  padding: 0.5% 0;
  background-color: #F37222;
  <!--transform: skew(-30deg);-->
}
.content .content_mod .company_link {
  position: relative;
  width: 100%;
  margin-top: 6.43%;
  padding: 3.21% 5% 4.07%;
  box-sizing: border-box;
  border: 2px solid #F37222;
  display: flex;
  display: -webkit-flex;
}
.content .content_mod .company_link .mod_link {
  flex: 1;
  display: flex;
  display: -webkit-flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.content .content_mod .company_link .mod_link a {
  width: 20%;
  height: 96px;
  margin-left: 1%;
  margin-top: 1%;
  box-sizing: border-box;
  border: 1px solid #e6e6e6;
  display: flex;
  display: -webkit-flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  cursor: pointer;
}
.content .content_mod .company_link .mod_link a img {
  max-width: 100%;
  max-height: 100%;
  
  transition: all 1s;
}
.content .content_mod .company_link .mod_link a:hover img {
  transform: scale(1.1);
}