header {
  border-bottom: 1px solid #f5f5f5;
  box-shadow: 0px 3px 6px #9F9F9F0D;
  background-color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 999;
}
header .header-con {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: 98px;
}
header .header-con .logo {
  width: 125px;
  display: block;
}
@media screen and (max-width: 992px) {
  header .header-con .logo {
    width: 100px;
  }
}
@media screen and (max-width: 992px) {
  header .header-con nav {
    position: fixed;
    top: 99px;
    right: 0;
    width: 100vw;
    height: calc(100vh - 99px);
    transform: translateX(100%);
    transition: transform 0.35s ease-in-out;
    max-width: 450px;
    background-color: #fff;
    overflow-y: auto;
  }
  header .header-con nav.open {
    transform: translateX(0);
  }
}
header .header-con nav ul {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: flex-start;
  margin: 0;
  padding: 0;
}
@media screen and (max-width: 992px) {
  header .header-con nav ul {
    margin: 0 auto;
    padding-top: 40px;
    flex-direction: column;
  }
}
header .header-con nav ul li {
  margin: 0 58px;
  position: relative;
  cursor: pointer;
}
@media screen and (max-width: 1400px) {
  header .header-con nav ul li {
    margin: 0 40px;
  }
}
@media screen and (max-width: 1200px) {
  header .header-con nav ul li {
    margin: 0 25px;
    font-size: 16px;
  }
}
@media screen and (max-width: 992px) {
  header .header-con nav ul li {
    border-bottom: 1px solid #ccc;
    margin: 0 25px 25px;
  }
}
header .header-con nav ul li .menu-a {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}
@media screen and (max-width: 992px) {
  header .header-con nav ul li .menu-a {
    padding-bottom: 25px;
  }
}
header .header-con nav ul li .menu-a span {
  font-size: 18px;
  line-height: 98px;
  color: #000000;
  font-weight: 700;
  transition: color 0.35s ease-in-out;
}
@media screen and (max-width: 1200px) {
  header .header-con nav ul li .menu-a span {
    font-size: 16px;
  }
}
@media screen and (max-width: 992px) {
  header .header-con nav ul li .menu-a span {
    line-height: 1.22;
  }
}
header .header-con nav ul li .menu-a .iconfont {
  display: none;
  font-size: 14px;
  color: #000000;
  transition: transform 0.35s ease-in-out;
  transform: rotate(0);
}
@media screen and (max-width: 992px) {
  header .header-con nav ul li .menu-a .iconfont {
    display: block;
  }
}
header .header-con nav ul li .menu-a.active .iconfont {
  transform: rotate(90deg);
}
header .header-con nav ul li a.menu-a:hover span {
  color: #1B499A;
}
header .header-con nav ul li .sub-nav {
  position: absolute;
  top: 100%;
  left: 0;
  transform: translateY(-1000px);
  opacity: 0;
  transition: opacity 0.35s ease-in-out;
  box-shadow: 0px 3px 6px rgba(159, 159, 159, 0.25);
}
@media screen and (max-width: 992px) {
  header .header-con nav ul li .sub-nav {
    box-shadow: none;
    position: relative;
    height: 0;
    background-color: transparent;
    transform: translateY(0);
    opacity: 1;
    overflow: hidden;
    transition: height 0.35s ease-in-out;
  }
}
header .header-con nav ul li .sub-nav ul {
  padding: 10px 0;
  flex-direction: column;
}
@media screen and (max-width: 992px) {
  header .header-con nav ul li .sub-nav ul {
    padding: 0 0 25px;
  }
}
header .header-con nav ul li .sub-nav ul li {
  margin: 0;
  transition: background-color 0.35s ease-in-out;
  background-color: transparent;
}
@media screen and (max-width: 992px) {
  header .header-con nav ul li .sub-nav ul li {
    border-bottom: none;
  }
}
header .header-con nav ul li .sub-nav ul li a {
  padding: 10px 25px;
  font-size: 16px;
  line-height: 1.22;
  color: #000000;
  font-weight: bold;
  white-space: nowrap;
  display: block;
  text-align: left;
  transition: color 0.35s ease-in-out;
}
@media screen and (max-width: 1200px) {
  header .header-con nav ul li .sub-nav ul li a {
    font-size: 14px;
  }
}
header .header-con nav ul li .sub-nav ul li:hover {
  background-color: rgba(27, 73, 154, 0.05);
}
header .header-con nav ul li .sub-nav ul li:hover a {
  color: #1B499A;
}
header .header-con nav ul li:hover .sub-nav {
  transform: translateY(0);
  opacity: 1;
  background-color: #FFFFFF;
}
header .header-con .btn-list {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: flex-start;
}
header .header-con .btn-list .menu-btn {
  margin-left: 20px;
  position: relative;
  z-index: 2;
  display: none;
}
@media screen and (max-width: 992px) {
  header .header-con .btn-list .menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
}
header .header-con .btn-list .menu-btn .center-line {
  position: relative;
  width: 25px;
}
header .header-con .btn-list .menu-btn .center-line::after,
header .header-con .btn-list .menu-btn .center-line::before {
  content: '';
  width: 100%;
  height: 2px;
  background-color: #1B499A;
  display: block;
  transform: rotate(0);
  transition: 0.35s;
}
header .header-con .btn-list .menu-btn .center-line::before {
  position: absolute;
  left: 0;
  top: 0;
}
header .header-con .btn-list .menu-btn::after,
header .header-con .btn-list .menu-btn::before {
  margin-top: 6px;
  content: '';
  width: 100%;
  height: 2px;
  background-color: #1B499A;
  display: block;
  transition: width 0.35s;
}
header .header-con .btn-list .menu-btn::before {
  margin-top: 0;
  margin-bottom: 6px;
}
header .header-con .btn-list .menu-btn.active .center-line::after {
  transform: rotate(45deg);
}
header .header-con .btn-list .menu-btn.active .center-line::before {
  transform: rotate(-45deg);
}
header .header-con .btn-list .menu-btn.active::after,
header .header-con .btn-list .menu-btn.active::before {
  width: 0;
}
header .header-con .btn-list button {
  all: unset;
  border-radius: 5px;
  padding: 14px 20px;
  background-color: #1B499A;
  color: #fff;
  font-size: 18px;
  line-height: 1.22;
  display: block;
  position: relative;
  font-weight: 500;
}
@media screen and (max-width: 1200px) {
  header .header-con .btn-list button {
    padding: 10px 18px;
    font-size: 16px;
  }
}
header .header-con .btn-list button .iconfont {
  margin-left: 20px;
  transition: transform 0.35s ease-in-out;
  transform: rotate(0);
}
header .header-con .btn-list button .lang-ul {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 100%;
  transform: translateY(-1000px);
  opacity: 0;
  transition: opacity 0.35s ease-in-out;
}
header .header-con .btn-list button .lang-ul ul {
  padding: 10px 0;
  margin: 0;
}
header .header-con .btn-list button .lang-ul ul li {
  padding: 10px 20px;
  font-size: 16px;
  color: #000000;
  line-height: 1.22;
  white-space: nowrap;
  transition: background-color 0.35s ease-in-out, color 0.35s ease-in-out;
}
@media screen and (max-width: 1200px) {
  header .header-con .btn-list button .lang-ul ul li {
    font-size: 14px;
  }
}
header .header-con .btn-list button .lang-ul ul li:hover,
header .header-con .btn-list button .lang-ul ul li.active {
  background-color: rgba(27, 73, 154, 0.05);
  color: #1B499A;
}
header .header-con .btn-list button:hover .iconfont {
  transform: rotate(180deg);
}
header .header-con .btn-list button:hover .lang-ul {
  transform: translateY(0);
  opacity: 1;
  background-color: #FFFFFF;
  box-shadow: 0px 3px 6px rgba(159, 159, 159, 0.25);
}
.mask-box {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  z-index: 998;
  transform: translateX(100%);
  transition: transform 0.35s ease-in-out;
}
.mask-box.open {
  transform: translateX(0);
}