body {
  background-color: #1b1b1b
}

body::-webkit-scrollbar {
  width: 6px;
  background-color: #ccc;
}

body::-webkit-scrollbar-thumb {
  background-color: #333;
}

/*====================导航*********/
.header {
  width: 100%;
  top: 0;
  left: 0;
  z-index: 998;
  background-color: #fff;
  position: relative;
}

.nav-ht {
  width: 100%;
  background-color: #c8a17c;
  position: relative;
  z-index: 999;
  height: 2px;
}

.nav-htbox p {
  float: left;
  margin-bottom: 0;
  font-size: 14px;
  color: #fff;
  line-height: 28px;
}

.nav-ht-dh p {
  font-size: 16px;
  color: #fff;
  font-weight: 600;
}

.nav-ht-dh p i {
  margin-right: 8px;
  font-size: 24px;
  position: relative;
  top: 2px;
}

.nav-yybox>div {
  display: block;
  color: #333;
  font-size: 16px;
  line-height: 88px;
  margin-left: 30px;
  position: relative;
  cursor: pointer;
  transition: all 2s;
}

.nav-yybox>div span i {
  font-size: 18px !important;
  margin-right: 4px;
  position: relative;
  top: 1px;
}

.nav-yybox>div span:nth-of-type(2) i {
  margin-left: 2px;
}

.nav-yybox {
  position: relative;
  float: left;
}

.nav-yybox span img {
  width: 20px;
  position: relative;
  top: -2px;
}

.yy-qh {
  border: solid 1px #f2f3f5;
  position: absolute;
  top: 88px;
  width: 100%;
  text-align: center;
  background-color: #f2f3f5;
  display: none;
}

.yy-qh a {
  display: block;
  color: #333;
  transition: all .5s;
  line-height: 38px;
  background-color: #fff;
  margin-top: 1px;
}

.yy-qh a:hover {
  background-color: #c8a17c;
  color: #fff !important;
}

.nav-ht-r {
  float: right;
  width: 16%;
}

/*左侧logo*/
.header .left {
  width: 21%;
  position: relative;
  margin-top: .7rem;
  transition: all 2s;
}

.on .left {
  width: 18% !important;
}

.header .left a img {
  width: 100%;
}

.header .left .img2 {
  display: none;
}

.nav-top {
  width: 100%;
  height: 4px;
  background-color: #0d75be;
}

.nav-1 {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 15px;
}

.cur .nav-2-box {
  z-index: 999;
}

.nav-zj p {
  margin: 0;
  font-size: 24px;
  line-height: 4.1rem;
  font-weight: 600;
  color: #fff;
  background: url(../image/top-t.png) no-repeat;
  padding-left: 6rem;
  padding-right: 6rem;
  float: right;
}

.nav-zj p span {
  margin-right: 1rem;
  position: relative;
  top: -2px;
}

.nav-2-box {
  position: fixed;
  top: 109px;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  max-width: 1920px;
  height: calc(100vh - 96px);
  background: #fff;
  display: none;
}

.nav-2-box .nav-2-l {
  width: 30%;
  height: 100%;
  overflow: auto;
  padding: 64px 48px;
  background: linear-gradient(180deg, #efefef, #fff);
  float: left;
}

.nav-2-l li {
  text-align: left;
  line-height: 52px;
}

.nav-on {
  padding: 2rem 0;
}

.nav-2-l li a {
  font-size: 20px;
  font-weight: 600;
  color: #333;
}

.nav-2-l li span {
  float: right;
  font-size: 16px;
  font-weight: 600;
  padding: 0 30px;
  cursor: pointer;
}

/*右侧*/
.header .nav {
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  height: 100%;
  line-height: 64px;
  display: block;
}

.header .navbar_nav>li {
  float: left;
  position: static;
  display: block;
  line-height: 88px;
  text-align: center;
  /* transition: all .5s; */
}

.on .navbar_nav>li .nav-yybox>div,
.on .navbar_nav>li {
  line-height: 70px !important;
}

.on .navbar_nav>li .nav-yybox>div .yy-qh {
  top: 70px;
}

.on .navbar_nav>li .nav-erbox {
  top: 70px;
}

.header .navbar_nav li h1 {
  font-size: 1.6rem;
  margin: 10px 0 0 0;
  line-height: 2.8rem;
}

.header .navbar_nav li p {
  line-height: 2.4rem;
  font-size: 2.6rem;
  font-weight: 600;
  margin: 0;
  color: #c8a17c;
}

.header .navbar_nav .cur:after {
  width: 100%;
}

.header .navbar_nav .cur:before {
  content: "";
  width: 6px;
  height: 6px;
  border: #0d75be solid 2px;
  border-radius: 3px;
  position: absolute;
  bottom: 8px;
  left: calc(50% - 5px);
}

.nav-2-r {
  width: 70%;
  float: left;
  height: 100%;
  background-color: #efefef;
  padding: 104px 64px;
}

.nav-p {
  max-width: 550px;
  margin: 0 auto;
}

.nav-p p {
  font-size: 16px !important;
  font-weight: 400 !important;
  text-align: left !important;
  color: #333 !important;
  line-height: 32px !important;
}

.nav-p a {
  display: block;
  font-size: 16px !important;
  font-weight: 400 !important;
  text-align: left !important;
  color: #0d75be !important;
}

.header .navbar_nav>li>a {
  text-decoration: none;
  padding: 0 30px;
  height: 100%;
  display: block;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  color: #333;
  font-size: 16px;
  position: relative;
}

.header .navbar_nav>li>a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 10;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transform: scale(0);
  -webkit-transform: scale(0);
  -moz-transform: scale(0);
  -ms-transform: scale(0);
  -o-transform: scale(0);
  width: 100%;
  height: 3px;
  background: #c8a17c;
}

.header .navbar_nav>li:hover a::after {
  transform: scale(1);
  -webkit-transform: scale(1);
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -o-transform: scale(1);
}

.header .navbar_nav li.dropdown {
  display: inherit;
}

.header .navbar_nav li.dropdown .jt {
  width: 20px;
  height: 20px;
  background: url(i/top.png) no-repeat;
  background-size: 100% 100%;
  display: block;
}

.header .navbar_nav li.dropdown .dropdown_menu {
  top: -100%;
  position: absolute;
  width: 100%;
  background: #fff;
  box-shadow: 0 0px 4px 0 rgba(167, 165, 165, 0.38);
  width: 120%;
  left: -10%;
  z-index: 996;
}

.on .navbar_nav li.dropdown .dropdown_menu {
  top: 70px !important;
}

.header .navbar_nav li.dropdown .dropdown_menu a {
  font-size: 14px;
  color: #666;
  padding: 0 10px;
  line-height: 40px;
  text-align: center;
  background: #fff;
  margin-bottom: 2px;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu {
  top: 88px;
  background: #f3f3f3;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a {
  color: #666;
  display: block;
  text-decoration: none;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a:hover {
  color: #fff;
  background: #c8a17c;
}

.nav-dh-box::after {
  display: none;
}

.nav-dh {
  padding-left: 2rem;
}

/*白色背景的头部*/
.header.on {
  position: fixed;
  background: #fff;
  box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.3);
}

.header.on .left .img1 {
  display: none;
}

.header.on .left .img2 {
  display: block;
}

.header.on .navbar_nav li a {
  color: #333;
}

#navToggle {
  display: none;
}

.m_nav {
  position: fixed;
  top: 0px;
  box-shadow: 0 15px 27px 0 rgba(167, 165, 165, 0.38);
  width: 100%;
  height: 100%;
  background: #f3fcfd;
  transition: all ease 0.5s;
  -webkit-transition: all ease 0.5s;
  z-index: 1000;
  opacity: 1;
  visibility: visible;
  margin-top: 0;
  overflow-y: auto;
  transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
  top: 0;
  transform: translateX(100%);
}

.m_nav.open {
  transform: translateX(0);
}

.m_nav .top {
  height: 60px;
  padding: 20px;
  box-sizing: border-box;
}

.m_nav .top .closed {
  width: 30px;
  height: 30px;
  vertical-align: middle;
  float: right;
  cursor: pointer;
}

.m_nav .logo {
  width: 100%;
  margin: 0 auto;
}

.m_nav .logo img {
  height: 50px;
  display: block;
  margin: 30px auto;
}

.m_nav .ul {
  margin-top: 30px;
}

.m_nav .ul li {
  padding: 0 20px;
  border-bottom: 1px solid #f5f5f5;
  transform: translateY(0);
  -webkit-transform: translateY(100%);
  transform: translateY(100%);
  -webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
  transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
  opacity: 0;
}

.m_nav.open .ul li {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.m_nav .ul li:nth-child(1) {
  -webkit-transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
  transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(2) {
  -webkit-transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
  transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(3) {
  -webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
  transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(4) {
  -webkit-transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
  transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(5) {
  -webkit-transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
  transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(6) {
  -webkit-transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
  transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li>a {
  display: block;
  text-decoration: none;
  color: #333;
  font-size: 16px;
  height: 50px;
  line-height: 50px;
  width: 100%;
}

.m_nav .ul li .dropdown_menu {
  display: none;
}

.m_nav .ul li.dropdown.active .dropdown_menu {
  display: block;
}

.m_nav .ul li .dropdown_menu>a {
  position: relative;
  font-size: 1.6rem;
  color: #333;
  display: block;
  height: 50px;
  line-height: 50px;
  padding: 0 40px;
  box-sizing: border-box;
  border-bottom: 1px solid #f5f5f5;
}

.nav-3 {
  position: relative;
}

.nav-3 span {
  position: absolute;
  z-index: 99;
  width: 30px;
  height: 30px;
  text-align: center;
  top: 10px;
  right: 20px;
  cursor: pointer;
  background: url(../image/ioc/icon.png) 0 -240px no-repeat;
}

.m-nav-3 {
  display: none;
}

.m-nav-3>a {
  display: block;
  padding: 0 60px;
  border-bottom: 1px solid #f5f5f5;
}

.m-nav-3 a h1 {
  margin: 0;
  font-size: 1.4rem;
  color: #333;
  line-height: 5.2rem;
}

.m_nav .ul li .dropdown_menu a:last-child {
  border: none;
}

.m-nav-3 a:nth-of-type(1) {
  display: none;
}

.yc {
  opacity: 1 !important;
}

.xs {
  display: block !important;
}

.yy-zw {
  background-color: #f4a300;
  margin-left: 15px;
}

.yy-zw a {
  padding: 0 9px !important;
}

.tm-box a {
  display: block;
  text-decoration: none;
  color: #000;
}

.tm-box a img {
  width: 24px;
  float: left;
  margin-top: 28px;
  margin-right: 10px;
}

.tm-box a h1 {
  float: left;
  line-height: 82px !important;
  margin: 0 !important;
}

.navbar_nav {
  margin: 0;
}

.m-navlx h1 {
  font-size: 1.8rem;
  font-weight: 600;
  color: #333;
  text-align: center;
}

.m-navlx h1 img {
  width: 28px;
}

.nav-erbox {
  position: absolute;
  opacity: 0;
  top: 88px;
  width: 100%;
  display: none;
  left: 0;
  background-color: #fff;
  border-top: solid 1px #f1f1f1;
  box-shadow: 0px 2px 2px 0px rgb(0 0 0 / 10%);
}

.iod4 {
  opacity: 1 !important;
}

.nav-er {
  max-width: 1200px;
  padding-left: 15px;
  padding-right: 15px;
  margin: 0 auto;
}

.nav-er-l {
  width: 55%;
  float: left;
  padding-right: 6rem;
  margin-top: 3rem;
  margin-bottom: 3rem;
  border-right: solid 1px #f5f5f5;
  overflow: hidden;
}

.nav-er-r {
  width: 45%;
  float: left;
  padding-left: 8rem;
  padding-top: 2rem;
}

.nav-a {
  display: flex;
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  flex-flow: wrap;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  height: 100%;
}

.nav-er-r a {
  display: block;
  width: calc(100% / 2);
  text-align: left;
  font-size: 16px;
  color: #666;
  position: relative;
  list-style: none;
  text-decoration: none;
  transition: all .5s;
  line-height: 58px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

.nav-er-r a::after {
  position: absolute;
  content: "";
  background-color: #d9d9d9;
  width: 5px;
  height: 5px;
  border-radius: 4px;
  top: 50%;
  left: -20px;
  transition: all .5s;
}

.nav-er-r a:hover::after {
  background-color: #df9d5f;
}

.nav-er-r a:hover {
  color: #c8a17c;
}

.nav-dl {
  transform: translateX(0px) !important;
  -webkit-transform: translateX(0px);
  -moz-transform: translateX(0px);
  -ms-transform: translateX(0px);
  -o-transform: translateX(0px);
}

@media screen and (max-width: 1660px) {
  .header .navbar_nav li>a {
    padding: 0 24px;
  }
}

@media screen and (max-width: 1024px) {
  .header .nav {
    display: none;
  }

  .header .left {
    width: 40%;
    margin: 2rem 0;
  }

  .header .left a img {
    margin-top: 0;
  }

  .header #navToggle {
    height: 100%;
    padding: 9px 15px;
    margin-right: -15px;
    display: inline-block;
    float: right;
  }

  .header #navToggle span, .header #navToggle span:before, .header #navToggle span:after {
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -o-transition: 0.3s;
    transition: 0.3s;
    display: block;
    background: #4f4f4f;
  }

  .header #navToggle span {
    position: relative;
    width: 25px;
    height: 1px;
    margin-top: 19px;
  }

  .header #navToggle span:before {
    top: 14px !important;
  }

  .header #navToggle span:before, .header #navToggle span:after {
    content: '';
    position: relative;
    width: 100%;
    height: 1px;
    left: 0;
    top: 6px;
  }
}

@media screen and (max-width: 992px) {
  .header {
    padding: 0 10px;
  }

  .header #navToggle {
    height: 100%;
    padding: 9px 15px;
    margin-right: -15px;
    display: inline-block;
    float: right;
  }

  .header #navToggle span {
    position: relative;
    width: 25px;
    height: 1px;
    margin-top: 12px;
  }

  .header #navToggle span:before,
  .header #navToggle span:after {
    content: '';
    position: relative;
    width: 100%;
    height: 1px;
    left: 0;
  }

  .header #navToggle span,
  .header #navToggle span:before,
  .header #navToggle span:after {
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -o-transition: 0.3s;
    transition: 0.3s;
    display: block;
    background: #4f4f4f;
  }

  .header #navToggle span:before {
    top: 8px;
  }

  .header #navToggle span:after {
    bottom: 10px;
  }

  .header #navToggle.open span:before {
    top: 10px;
    -webkit-transform: translateY(-11px) rotate(-45deg);
    -moz-transform: translateY(-11px) rotate(-45deg);
    -ms-transform: translateY(-11px) rotate(-45deg);
    -o-transform: translateY(-11px) rotate(-45deg);
    transform: translateY(-11px) rotate(-45deg);
  }

  .header #navToggle.open span:after {
    bottom: 12px;
    -webkit-transform: translateY(10px) rotate(45deg);
    -moz-transform: translateY(10px) rotate(45deg);
    -ms-transform: translateY(10px) rotate(45deg);
    -o-transform: translateY(10px) rotate(45deg);
    transform: translateY(10px) rotate(45deg);
  }

  .header #navToggle.open span {
    background: none;
  }

  .header #navToggle.open span:before,
  .header #navToggle.open span:after {
    background: #4f4f4f;
  }

  .header .nav {
    display: none;
  }

  .banner img {
    height: 600px;
    object-fit: cover;
  }
}

@media screen and (max-width: 768px) {
  .header .left a img {
    margin-top: 8px;
  }

  .header .left {
    width: 78%;
    margin: 1rem 0;
  }

  .container {
    padding: 0;
  }
}