@charset "utf-8";
/* top */
* {
  margin: 0;
  padding: 0;
}
body {
  font-size: 14px;
  color: #222;
  line-height: 28px;
  position: relative;
}
a:link,
a:visited {
  text-decoration: none;
}
a:hover,
a:active {
  text-decoration: none;
}
ol,
ul,
li,
dt,
dd,
dl {
  list-style: none;
}
img {
  border: 0;
}
select,
input {
  vertical-align: middle;
}
a:link,
a:visited {
  text-decoration: none;
}
a:hover,
a:active {
  text-decoration: none;
}
input,
button {
  cursor: pointer;
}
input,
select {
  outline: none;
}
article,
aside,
dialog,
footer,
header,
section,
footer,
nav,
figure,
menu {
  display: block;
}
.dn {
  display: none !important;
}
.flex_center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex_sb {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ab_middle {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
}
.ab_center {
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
}
.ab {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}
.word_keep {
  word-break: keep-all;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main {
  width: 100%;
  margin: 0 auto;
  position: relative;
  padding-bottom: 140px;
}
.footer_bottom {
  display: none;
}
.top_nav {
  width: 100%;
  position: relative;
  z-index: 2;
  height: 160px;
  background: #004379;
}
.top_nav .top_nav_content {
  width: 1280px;
  margin: 0 auto;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top_nav .top_nav_content .top_logo {
  width: 250px;
  height: 120px;
  border: 3px solid #FFF;
}
.top_nav .top_nav_content .top_logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.top_nav .top_nav_content .top_nav_ul {
  display: flex;
  align-items: center;
}
.top_nav .top_nav_content .top_nav_ul li {
  position: relative;
  height: 48px;
  margin-right: 10px;
  width: fit-content;
}
.top_nav .top_nav_content .top_nav_ul li > a,
.top_nav .top_nav_content .top_nav_ul li span {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 23px;
  height: 100%;
  transition: all 0.3s;
  color: #fff;
  font-size: 16px;
  border: 1px solid #004379;
  border-radius: 6px;
  cursor: pointer;
}
.top_nav .top_nav_content .top_nav_ul li span {
  position: relative;
  padding-right: 40px;
}
.top_nav .top_nav_content .top_nav_ul li span::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
  right: 23px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #fff;
  transition: all 0.3s;
}
.top_nav .top_nav_content .top_nav_ul li .top_nav_menu {
  position: absolute;
  top: 48px;
  z-index: 10;
  display: none;
  padding-top: 8px;
}
.top_nav .top_nav_content .top_nav_ul li .top_nav_menu .top_nav_select {
  background: #336994;
  border: 1px solid #749EC1;
  border-radius: 6px;
  padding: 4px;
  width: fit-content;
}
.top_nav .top_nav_content .top_nav_ul li .top_nav_menu .top_nav_select .option {
  padding: 12px 24px;
  white-space: nowrap;
  display: block;
  line-height: 16px;
  font-size: 16px;
  color: #fff;
}
.top_nav .top_nav_content .top_nav_ul li .top_nav_menu .top_nav_select .option:hover {
  color: #27E2C5;
}
@media (min-width: 1201px) {
  .top_nav .top_nav_content .top_nav_ul li:hover > a,
  .top_nav .top_nav_content .top_nav_ul li:hover span {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid #749EC1;
    font-weight: 900;
    color: #27E2C5;
  }
  .top_nav .top_nav_content .top_nav_ul li:hover .top_nav_menu {
    display: block;
  }
  .top_nav .top_nav_content .top_nav_ul li:hover span::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0;
    right: 23px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #27E2C5;
    border-top: none !important;
  }
}
.top_nav .top_nav_content .top_nav_ul li.on > a,
.top_nav .top_nav_content .top_nav_ul li.on span {
  color: #27E2C5;
}
.top_nav .top_nav_content .top_nav_ul li.on span::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
  right: 23px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #27E2C5;
}
.top_nav.footer {
  background: #F7FCFF;
  position: fixed;
  bottom: 0;
  left: 0;
  height: 140px;
  display: none;
}
.top_nav.footer .top_logo {
  width: 168px;
  height: 100px;
}
.top_nav.footer .top_nav_ul li > a,
.top_nav.footer .top_nav_ul li span {
  color: #888;
  border: 1px solid #F7FCFF;
}
.top_nav.footer .top_nav_ul li span::after {
  border-top: 6px solid #888;
}
.top_nav.footer .top_nav_ul li:hover > a,
.top_nav.footer .top_nav_ul li:hover span {
  color: #004379;
}
.top_nav.footer .top_nav_ul li:hover span::after {
  border-bottom: 6px solid #004379;
}
.top_nav.footer .top_nav_ul li .top_nav_menu {
  top: auto;
  bottom: 48px;
  padding-bottom: 8px;
}
.top_nav.footer .top_nav_ul li .top_nav_menu .top_nav_select {
  background: #F7FCFF;
  border: 1px solid #888;
}
.top_nav.footer .top_nav_ul li .top_nav_menu .top_nav_select .option {
  color: #888;
}
.top_nav.footer .top_nav_ul li .top_nav_menu .top_nav_select .option:hover {
  color: #004379;
}
@media (max-width: 1200px) {
  .main {
    padding: 22vw 0 0 0;
  }
  .top_nav {
    width: 92vw;
    position: fixed;
    z-index: 2;
    background: #004379;
    top: 0;
    left: 0;
    height: 12vw;
    padding: 5vw 4vw;
  }
  .top_nav .top_nav_content {
    width: 100%;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
  }
  .top_nav .top_nav_content .top_logo {
    width: 25vw;
    height: 100%;
  }
  .top_nav .top_nav_content .top_logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .top_nav .top_nav_content .top_menu {
    width: 10vw;
    height: 10vw;
    position: relative;
  }
  .top_nav .top_nav_content .top_menu .top_menu_show {
    width: 100%;
    height: 100%;
  background: url(../images/menu_EN_20260407.png) no-repeat center center;
    background-size: 6vw 6vw;
    z-index: 99;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main {
    position: fixed;
    display: flex;
    align-items: center;
    justify-content: space-between;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    display: none;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_menu_bg {
    width: 27vw;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
    flex-grow: 0;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul {
    display: block;
    width: 73vw;
    height: 92vh;
    background: #004379;
    padding: 4vh 0;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li {
    height: auto;
    padding: 2vw 5vw;
    margin: 0;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li span {
    display: block;
    font-size: 4vw;
    line-height: 6vw;
    padding: 0;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li span::after {
    right: 4vw;
    width: 0;
    height: 0;
    border-left: 2vw solid transparent;
    border-right: 2vw solid transparent;
    border-top: 2vw solid #fff;
    transition: all 0.3s;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li a {
    font-size: 4vw;
    line-height: 6vw;
    padding: 0;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li .top_nav_menu {
    position: relative;
    top: 0;
    z-index: 10;
    display: block;
    margin-top: 2vw;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li .top_nav_menu .top_nav_select {
    padding: 2vw;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li .top_nav_menu .top_nav_select .option {
    padding: 2vw 0;
    font-size: 3.6vw;
    line-height: 4.8vw;
  }
  .top_nav .top_nav_content .top_menu .top_menu_main .top_nav_ul li.on span::after {
    border-left: 2vw solid transparent;
    border-right: 2vw solid transparent;
    border-top: 2vw solid #27E2C5;
  }
  .top_nav.footer {
    display: none !important;
  }
  .footer_bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4vw 0;
  }
  .footer_bottom img {
    width: 30vw;
    height: auto;
    display: block;
  }
}