@charset "UTF-8";

.header {
  width: 100%;
  position: relative;
}

.nav {
  width: 1270px;
  height: 110px;
  margin: 0 auto;
}

.logo {
  float: left;
  width: 210px;
  height: 100%;
  line-height: 110px;
}

.logo img {
  width: 100%;
}

.navbox {
  float: left;
  width: 850px;
  margin-top: 70px;
}

.navigation-v3 ul {
  display: flex;
  justify-content: space-between;
}

.navigation-v3 ul li {
  padding: 0 20px;
}

.navigation-v3 ul li a {
  font-size: 16px;
  color: #666;
  /* font-weight: bold; */
}

.navigation-v3 ul .nav-up-selected a {
  color: #064e96;
}

.head_right {
  float: right;
  width: 170px;
  height: 44px;
  background: url(http://www.dunan.net/picture/0/1909111342046644740.jpg) no-repeat right center;
  margin-top: 33px;
}

.head_right ul {
  height: 44px;
}

.head_right ul li {
  float: left;
  font-size: 12px;
  line-height: 14px;
  margin-top: 15px;
  padding: 0 8px;
  border-left: 1.5px solid #ddd;
}

.head_right ul li:first-child {
  border-left: none;
}

.head_right ul li a {
  display: block;
  color: #24a1dd;
}

.nav-down-menu {
  z-index: 999;
  overflow: hidden;
  height: 0;
  width: 100%;
  position: absolute;
  left: 0;
  top: 110px;
  background: url(http://www.dunan.net/picture/0/1909110949033924944.png) no-repeat;
  background-size: cover;
  transition: all .3s;
}

.navigation-down-inner {
  width: 1270px;
  margin: 0 auto;
}

.navigation-down-inner li {
  float: left;
  padding: 15px;
}

.header .navigation-down-inner a {
  color: #fff;
  font-size: 14px;
  line-height: 30px;
}

.fixed {
  width: 100%;
  position: fixed;
  top: 0px;
  left: 0;
  background-color: #002e5a;
  z-index: 9999;
  transition: all 0.4s ease-in-out 0s;
}

.fixed .nav {
  height: 63px;
}

.fixed .logo {
  width: 110px;
  line-height: 40px;
}

.fixed .navbox {
  width: 700px;
  margin-top: 0;
}

.fixed .navigation-v3 ul li a {
  font-size: 16px;
  font-weight: normal;
  color: #fff;
  line-height: 63px;
}

.fixed .navigation-v3 ul li a:hover {
  color: #fee600;
}

.fixed .navigation-v3 ul li:first-child {
  padding-left: 50px;
}

.fixed .head_right {
  float: right;
  width: auto;
  height: 44px;
  background: none;
  margin-top: 10px;
}

.fixed .head_right a {
  font-size: 14px;
  color: #fff;
}

.fixed .head_right a:hover {
  font-size: 14px;
  color: #fee600;
}

.fixed .nav-down-menu {
  overflow: hidden;
  height: 0;
  width: 100%;
  position: absolute;
  left: 0;
  top: 63px;
  background: #fff;
  transition: all .3s;
  box-shadow: 0px 3px 15px 0px rgba(0, 0, 0, 0.25);
}

.fixed .navigation-down-inner a {
  color: #666;
}

.fixed .navigation-down-inner a:hover {
  color: #fee600;
}

.h230 {
  height: 230px !important;
}

.fixed .h230 {
  height: 60px !important;
}

/* 回到 top */
.righttop {
  position: fixed;
  bottom: 60px;
  width: 58px;
  z-index: 99999;
  right: 0px;
  display: none;
}

.righttop span {
  display: block;
  width: 58px;
  height: 58px;
  background: #002e5a;
  margin-bottom: 2px;
  border-radius: 3px 0 0 3px;
  position: relative;
  text-align: center;
  line-height: 58px;
  cursor: pointer;
}

.show_weixin {
  position: absolute;
  bottom: 0;
  left: -120px;
  display: none;
  width: 120px;
}

.righttop span:hover .show_weixin {
  display: block;
}

.gtbtn {
  cursor: pointer;
}

/* header style end */
/* contant */
.banner {
  position: relative;
  width: 100%;
  min-width: 1270px;
  overflow: hidden;
}

.banner .swiper-slide img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.banner .swiper-pagination-bullet {
  width: 16px;
  height: 16px;
  opacity: 1;
  background: rgba(255, 255, 255, 0);
  border: 1px solid #fff;
}

.banner .swiper-container-horizontal>.swiper-pagination-bullets,
.banner .swiper-pagination-custom,
.swiper-pagination-fraction {
  bottom: 25px;
}

.banner .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 0 7px;
}

.banner .swiper-pagination-bullet-active {
  background: #fee600;
}

/* core business */
.core_business {
  width: 100%;
  padding: 60px 0;
  background: #f7f7f7;
}

.core_inbox {
  width: 1270px;
  margin: 0 auto;
}

.btit p {
  float: left;
  padding-right: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #24a1dd;
  font-size: 35px;
  color: #555;
}

.core_item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 1000px;
  margin: 40px auto;
}

.core_item a {
  margin-top: 30px;
  display: block;
  width: 485px;
  background: #fff;
  transition: all .3s;
}

.core_item a img {
  display: block;
  width: 100%;
  height: auto;
  transition: all .3s;
}

.picbox {
  overflow: hidden;
}

.core_item a p {
  color: #666;
  font-size: 22px;
  line-height: 60px;
  font-weight: bold;
  text-align: center;
}

.core_item a:hover p {
  color: #064e96;
  ;
}

.core_item a:hover {
  box-shadow: 8px 8px 15px #0000006b;
}

.core_item a:hover img {
  transform: scale(1.1);
}

/* news */
.news {
  padding: 60px 0;
  width: 100%;
}

.new_inbox {
  width: 1270px;
  margin: 0 auto;
}

.titmore {
  display: block;
  float: right;
  width: 130px;
  height: 60px;
  background: url(btn.png) no-repeat center;
  background-size: 100%;
  transition: all .3s;
}

.titmore:hover {
  background: url(btn1.png) no-repeat center;
  background-size: 100%;
}

.news_item {
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
}

.news_item li {
  width: 295px;
}

.news_pic {
  display: block;
  width: 100%;
  height: 295px;
  overflow: hidden;
}

.news_pic img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all .3s;
}

.news_tit {
  font-size: 15px;
  color: #013051;
  line-height: 25px;
  height: 50px;
  margin: 15px 0;
}

.news_txt {
  font-size: 14px;
  color: #676767;
  line-height: 25px;
  height: 80px;
  overflow: hidden;
  margin-bottom: 15px;
}

.news_more {
  display: block;
  width: 120px;
  height: 32px;
  border: 1px solid #999;
  font-size: 14px;
  line-height: 30px;
  text-align: center;
  color: #666;
}

.news_more span {
  margin-left: 13px;
}

.news_more:hover {
  color: #fff;
  background: #002e5a;
}

.news_item li:hover .news_pic img {
  transform: scale(1.1);
}

/* 视频中心 */
.video_center {
  padding: 60px 0;
  width: 100%;
  height: 800px;
  background: url(tp1_10.png) no-repeat center;
  background-size: cover;
}

.video_inbox {
  width: 1270px;
  margin: 0 auto;
}

.video_item {
  margin-top: 40px;
  width: 100%;
  height: 467px;
}

.video_item {
  display: flex;
  justify-content: space-between;
}

.davideo1 {
  display: block;
  width: 318px;
  height: 467px;
  background: url(sp1.png) no-repeat center;
  background-size: 100%;
  font-size: 18px;
}

.davideo1 div {
  padding: 425px 20px 0;
  text-align: center;
  color: #fff;
  font-weight: bold;
}

.video_right {
  width: 952px;
  height: 467px;
  display: flex;
  flex-wrap: wrap;
}

.video_pic {
  width: 317px;
  height: 233px;
}

.video_pic img {
  display: block;
  width: 100%;
  height: 100%;
}

.davideo2,
.video_txt {
  display: block;
  width: 635px;
  height: 233px;
}

.davideo2 {
  background: url(sp3.png) no-repeat center;
  background-size: 100%;
}

.davideo2 div {
  padding: 195px 20px 0;
  text-align: right;
  color: #fff;
  font-weight: bold;
}

.video_txt {
  padding: 55px 25px 0;
  background: #fff;
}

.pt1 {
  height: 60px;
  line-height: 60px;
  font-size: 24px;
  border-bottom: 2px solid #064E96;
}

.video_txt p {
  font-size: 14px;
  color: #666;
  line-height: 35px;
}

/* footer */
.footer {
  width: 100%;
  background: #064e96;
  color: #fff;
}

.footer_top {
  width: 1270px;
  min-height: 535px;
  margin: 0 auto;
  padding-top: 40px;
}

.col1 {
  float: left;
}

.ftit {
  font-size: 18px;
  line-height: 52px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 25px;
}

.col1 p {
  font-size: 14px;
}

.col1 img {
  width: 150px;
  height: 150px;
  margin-top: 15px;
}

.col1 ul {
  margin-top: 20px;
}

.col1 ul li {
  float: left;
  margin-right: 5px;
  width: 40px;
  height: 40px;
}

.col1 ul li a {
  display: block;
  width: 40px;
  height: 40px;
}

.swx a {
  background: url(swx.png) no-repeat center;
  background-size: 100%;
  transition: all .3s;
}

.swx a:hover {
  background: url(swxon.png) no-repeat center;
  background-size: 100%;
}

.swb a {
  background: url(swb.png) no-repeat center;
  background-size: 100%;
  transition: all .3s;
}

.swb a:hover {
  background: url(swbon.png) no-repeat center;
  background-size: 100%;
}

.syx a {
  background: url(syx.png) no-repeat center;
  background-size: 100%;
  transition: all .3s;
}

.syx a:hover {
  background: url(syxon.png) no-repeat center;
  background-size: 100%;
}

.sqq a {
  background: url(sqq.png) no-repeat center;
  background-size: 100%;
  transition: all .3s;
}

.sqq a:hover {
  background: url(sqqon.png) no-repeat center;
  background-size: 100%;
}

.col_right {
  float: right;
}

.col2 {
  float: left;
  width: 320px;
}

.col2 .col2tit {
  font-weight: 600;
  line-height: 25px;
  margin-top: 17px;
}

.col2 p {
  font-size: 14px;
  padding-right: 20px;
  line-height: 20px;
  margin-top: 5px;
}

.col3 {
  float: right;
  width: 220px;
}
.col3 ul li{
  margin-top: 20px;
}
.col3 ul li:first-child{
  margin-top: 0px;
}
.col3 ul li a{
  color: #fff;
  font-size: 14px;
}
.col3 ul li a:hover{
  color: #fee600;
}

.copyright {
  width: 100%;
  background: #002e5a;
  padding-left: 20px;
  line-height: 50px;
  color: #fff;
  font-size: 14px;
}

.copyright a {
  color: #fff;
  margin-left: 10px;
}

.copyright a:hover {
  color: #fee600;
}

/* footer end */