a:link,a:visited,a:active {
  text-decoration: none;
  color: inherit;
  outline: none;
}

.a_link {
  scroll-margin-top: 120px;
}

* {
  margin: 0;
  padding: 0;
}

html,body {
  overflow-x: hidden;
}

div {
  box-sizing: border-box;
}

p {
  margin: 0;
  padding: 0;
  white-space: normal;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.dis {
  display: flex;
}

.d_ju {
  justify-content: center;
}

.d_sb {
  justify-content: space-between;
}

.d_al {
  align-items: center;
}

.bg {
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.t_1 {
  display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    word-wrap: break-word;
}

.location_text:hover {
  color: #1760a8;
  transition: all 160ms ease-in-out;
}

.t_2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
    word-wrap: break-word;
}

.t_3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
    word-wrap: break-word;
}

.t_4 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
  text-overflow: ellipsis;
    word-wrap: break-word;
}

.location_box {
  width: 100%;
  padding: 21px 0;
  background-color: #F4F4F4;
  color: #999999;
  font-size: 16px;
}

.location_box1 {
  width: 1200px;
  margin: 0 auto;
}

.nav_div {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  flex-wrap: wrap;
  box-shadow: rgba(0, 0, 0, 0.2) 1px 1px 5px;
}

.top_box,.nav_box {
  opacity: 1;
}

.nav_blank {
  width: 100%;
  height: 105px;
  z-index: 0;
  background: #1760a8;
}

.nav_blank1 {
  width: 100%;
  height: 92px;
  z-index: 0;
}

.top_box {
  width: 100%;
  padding: 30px 67px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #1760a8;
}

.top_left,.top_lefta {
  width: 335px;
  height: 67px;
}

.top_left_blank {
  width: 335px;
  height: 67px;
}

.top_left_blank_img {
  width: 335px;
  height: 67px;
  opacity: 0;
}

.top_center {
  width: 1200px !important;
  height: 30px;
  margin: 0 auto;
  margin-top: 30px;
}

.top_center div,.top_center a {
  width: 175px;
}

.nav_box1 {
  width: 1200px;
  margin: 0 auto;
}

.top_right {
  display: flex;
  align-items: center;
  margin-left: 42px;
}

.top_right1,.top_right1a {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin-right: 13px;
}

.top_right2,.top_right2a {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.top_text {
  display: block;
  font-size: 14px;
  font-family: Microsoft YaHei, Microsoft YaHei-Regular;
  font-weight: 400;
  color: #87A6C7;
  line-height: 18px;
  text-align: center;
  padding-bottom: 6px;
}

.top_text_box {
  width: 82px;
  height: 24px;
}

.nav_box {
  width: 100%;
  color: #fff;
  padding: 0 67px 30px 70px;
  background-color: #1760a8;
  display: none;
}

.nav {
  width: 175px;
  display: block;
}

.nav_li {
  width: 175px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

.oaImg {
  width: 70px;
  height: 70px;
  margin-right: 10px;
  z-index: 12;
}

.blank {
  width: 2px;
  height: 20px;
  background: #fea202;
  border-radius: 1px;
  margin-right: 9px;
  display: none;
}

.nav_blank2 {
  width: 60px;
  height: 2px;
  background: #ffffff;
  border-radius: 1px;
  margin-top: 18px;
  margin: 0 auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav_blank3 {
  opacity: 1;
  visibility: visible;
}

.nav_text {
  color: #fff;
  font-size: 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.blank {
  display: none;
}

.top_text.active_1,.top_text.active {
  color: #ffffff !important;
}

.nav.active {
  background-color: #1760a8 !important;
  opacity: 0.9 !important;
}

.bottom_box {
  width: 100%;
  padding: 44px 0 0 0;
}

.bottom_box1 {
  width: 100%;
  background-color: #474747;
}

.bottom_box2 {
  width: 100%;
  background-color: #343434;
}

.link_box {
  width: 1200px;
  margin: 0 auto;
  padding: 48px 0 20px 0;
  justify-content: space-between;
}

.link_left {
  width: 722px;
  padding-top: 20px;
}

.link_title {
  font-size: 18px;
  font-family: PingFang SC, PingFang SC-Bold;
  font-weight: 700;
  text-align: left;
  color: #ffffff;
  margin-bottom: 23px;
}

.link_li {
  flex-wrap: wrap;
}

.link_li p:hover,.link_li span:hover,.record_rigth:hover {
  color: #fea202;
  transition: all 0.16s ease-in-out;
}

.link_li p,.link_li span {
  font-size: 16px;
  font-family: Microsoft YaHei, Microsoft YaHei-Light;
  font-weight: 300;
  color: #ffffff;
  line-height: 32px;
  margin-right: 10px;
}

.linke_right {
  color: #FFFFFF;
  font-size: 16px;
  text-align: right;
}

.linke_right_p {
  margin: 10px 0;
}

.code_src {
  width: 132px;
  height: 132px;
}

.record_left {
  width: 350px;
  height: 70px;
}

.record_rigth {
  font-size: 16px;
  font-family: PingFang SC, PingFang SC-Medium;
  text-align: center;
  color: #ffffff;
  line-height: 32px;
}

.record_box {
  width: 1200px;
  margin: 0 auto;
  height: 170px;
  padding: 37px 0 45px 0;
}

.nav_div:hover .nav_box {
  display: flex;
  background-color: #1760a8;
  padding: 0 67px 30px 70px;
}

.nav_div:hover .top_left,.nav_div:hover .top_right2 {
  display: none;
}

.nav_div:hover .top_lefta,.nav_div:hover .top_right2a {
  display: block;
}

.None_img {
  width: 679px;
  height: 428px;
  margin: 0 auto;
}

.location_icon {
  margin-top: -4px;
}

.nav_div_ul {
  width: 1920px;
}

.slider-container {
  position: absolute;
  margin-top: 25px;
  margin-left: 0;
  width: 100%;
  height: 2px;
  pointer-events: none;
}

.slider_li {
  position: absolute;
  bottom: 0;
  height: 2px;
  background-color: #ffffff;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
}

.nav_right {
  width: 185px;
}

@media screen and (max-width: 1700px) {
  .top_center div,.top_center a {
    width: 111px;
  }
  .nav_li {
    width: 110px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    font-size: 9px;
  }
  .top_text,.nav_text {
    font-size: 9px;
  }
  .nav_blank {
    width: 100%;
    height: 108px;
    z-index: 0;
    background: #1760a8;
  }
  .nav_right {
    width: 233px;
  }
  .nav {
    width: 111px;
  }
  .top_left,.top_lefta {
    width: 200px;
    height: 42px;
  }
  .top_center {
    width: 800px !important;
    height: 30px;
    margin: 0 auto;
    margin-top: 30px;
  }
  .nav_box1 {
    width: 800px;
    margin: 0 auto;
  }
  .top_left_blank {
    width: 200px;
  }
}

@media screen and (min-width: 1921px) {
  .nav_div_ul {
    width: 100%;
  }
}

nav {
  width: 100%;
}