header {
  box-shadow: 0px 3px 6px #00000029;
  padding: 10px 68px;
  background-color: var(--header-bg);
  height: 90px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  position: sticky;
  top: 0;
  z-index: 999;
}
@media screen and (max-width: 1580px) {
  header {
    padding: 10px 48px;
  }
}
@media screen and (max-width: 1500px) {
  header {
    height: 74px;
  }
}
@media screen and (max-width: 1400px) {
  header {
    padding: 10px 28px;
  }
}
header .header-con {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
header .header-con .logo {
  width: 279px;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: flex-start;
}
@media screen and (max-width: 1580px) {
  header .header-con .logo {
    width: 240px;
  }
}
@media screen and (max-width: 1500px) {
  header .header-con .logo {
    width: 200px;
  }
}
.dark-theme header .header-con .logo .word-logo {
  filter: brightness(0) invert(1);
}
header .header-con .nav-function-block {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block {
    position: fixed;
    right: 0;
    top: 74px;
    padding: 20px 40px;
    height: calc(100vh - 74px);
    max-width: 400px;
    width: 100%;
    background-color: var(--header-bg);
    overflow: hidden;
    transform: translateX(100%);
    transition: transform 0.35s ease-in-out;
    flex-direction: column-reverse;
    justify-content: flex-end;
  }
  header .header-con .nav-function-block.open {
    transform: translateX(0);
  }
}
@media screen and (max-width: 576px) {
  header .header-con .nav-function-block {
    padding: 20px 30px;
  }
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav {
    padding-top: 10px;
    width: 100%;
    height: 100%;
    overflow-y: auto;
  }
}
header .header-con .nav-function-block nav ul {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: flex-start;
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav ul {
    flex-direction: column;
  }
}
header .header-con .nav-function-block nav ul li {
  margin-right: 48px;
  position: relative;
}
@media screen and (max-width: 1830px) {
  header .header-con .nav-function-block nav ul li {
    margin-right: 34px;
  }
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block nav ul li {
    margin-right: 26px;
  }
}
@media screen and (max-width: 1400px) {
  header .header-con .nav-function-block nav ul li {
    margin-right: 22px;
  }
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav ul li {
    padding: 15px 0;
    border-top: 1px solid var(--header-nav-text-color);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}
header .header-con .nav-function-block nav ul li .menu-a {
  font-size: 20px;
  line-height: 3;
  color: var(--header-nav-text-color);
  display: block;
  cursor: pointer;
}
@media screen and (max-width: 1640px) {
  header .header-con .nav-function-block nav ul li .menu-a {
    font-size: 18px;
  }
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block nav ul li .menu-a {
    font-size: 16px;
    line-height: 1.2;
  }
}
header .header-con .nav-function-block nav ul li .iconfont {
  display: none;
  font-size: 12px;
  color: var(--header-nav-text-color);
  transition: transform 0.35s ease-in-out;
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav ul li .iconfont {
    display: block;
  }
}
header .header-con .nav-function-block nav ul li .sub-nav {
  position: absolute;
  top: 100%;
  left: 0;
  height: 0;
  overflow: hidden;
  transition: height 0.35s ease-in-out;
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav ul li .sub-nav {
    position: static;
    width: 100%;
  }
}
header .header-con .nav-function-block nav ul li .sub-nav ul {
  padding: 6px 14px;
  background-color: #b82842;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav ul li .sub-nav ul {
    background-color: transparent;
  }
}
header .header-con .nav-function-block nav ul li .sub-nav ul li {
  margin-right: 0;
  padding: 10px 0;
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block nav ul li .sub-nav ul li {
    padding: 6px 0;
  }
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav ul li .sub-nav ul li {
    border: none;
  }
}
header .header-con .nav-function-block nav ul li .sub-nav ul li a {
  color: #fff;
  font-size: 18px;
  line-height: 1;
  white-space: nowrap;
  position: relative;
  display: inline-block;
}
@media screen and (max-width: 1640px) {
  header .header-con .nav-function-block nav ul li .sub-nav ul li a {
    font-size: 16px;
  }
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block nav ul li .sub-nav ul li a {
    font-size: 14px;
  }
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block nav ul li .sub-nav ul li a {
    color: var(--header-nav-text-color);
  }
}
header .header-con .nav-function-block nav ul li .sub-nav ul li a::after {
  content: '';
  position: absolute;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #fff;
  transition: width 0.35s ease-in-out;
  display: block;
}
header .header-con .nav-function-block nav ul li .sub-nav ul li a:hover::after {
  width: 100%;
}
header .header-con .nav-function-block nav ul li.active .iconfont {
  transform: rotate(90deg);
}
header .header-con .nav-function-block .function-block {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}
@media screen and (max-width: 1200px) {
  header .header-con .nav-function-block .function-block {
    margin-bottom: 20px;
    width: 100%;
    justify-content: space-between;
    flex-shrink: 0;
  }
}
header .header-con .nav-function-block .function-block .icons-box {
  margin-right: 20px;
  cursor: pointer;
  position: relative;
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block .function-block .icons-box {
    margin-right: 14px;
  }
}
@media screen and (max-width: 1400px) {
  header .header-con .nav-function-block .function-block .icons-box {
    margin-right: 10px;
  }
}
header .header-con .nav-function-block .function-block .icons-box:hover .lang-list {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
header .header-con .nav-function-block .function-block .icons-box .iconfont {
  font-size: 24px;
  color: var(--header-nav-text-color);
  display: block;
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block .function-block .icons-box .iconfont {
    font-size: 16px;
  }
}
header .header-con .nav-function-block .function-block .icons-box .lang-list {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-1000px);
  opacity: 0;
  transition: opacity 0.35s ease-in-out;
  padding-top: 20px;
}
header .header-con .nav-function-block .function-block .icons-box .lang-list ul {
  box-shadow: 0px 3px 6px #00000029;
  background-color: var(--module-bg1);
}
header .header-con .nav-function-block .function-block .icons-box .lang-list ul li {
  padding: 10px 25px;
  font-size: 18px;
  color: var(--module-con-text-color1);
  text-align: center;
}
header .header-con .nav-function-block .function-block .icons-box .lang-list ul li.active,
header .header-con .nav-function-block .function-block .icons-box .lang-list ul li:hover {
  color: #b82842;
}
header .header-con .nav-function-block .function-block .icons-box .lang-list ul li.active {
  background-color: rgba(184, 40, 66, 0.1);
}
header .header-con .nav-function-block .function-block button {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  margin-left: 2px;
  border-radius: 50px;
  padding: 11px 20px 10px;
  background-color: #b82842;
  cursor: pointer;
  transition: background-color 0.35s ease-in-out;
}
header .header-con .nav-function-block .function-block button:hover {
  background-color: #004f78;
}
header .header-con .nav-function-block .function-block button .icons-box {
  margin-right: 16px;
  font-size: 22px;
  color: #fff;
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block .function-block button .icons-box {
    font-size: 16px;
  }
}
@media screen and (max-width: 1400px) {
  header .header-con .nav-function-block .function-block button .icons-box {
    margin-right: 10px;
  }
}
header .header-con .nav-function-block .function-block button span {
  font-size: 18px;
  color: #fff;
  line-height: 1;
}
@media screen and (max-width: 1500px) {
  header .header-con .nav-function-block .function-block button span {
    font-size: 16px;
  }
}
header .header-con .menu-btn {
  position: relative;
  z-index: 2;
  display: none;
}
@media screen and (max-width: 1024px) {
  header .header-con .menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
}
header .header-con .menu-btn .center-line {
  position: relative;
  width: 25px;
}
header .header-con .menu-btn .center-line::after,
header .header-con .menu-btn .center-line::before {
  content: '';
  width: 100%;
  height: 2px;
  background-color: var(--header-nav-text-color);
  display: block;
  transform: rotate(0);
  transition: 0.35s;
}
header .header-con .menu-btn .center-line::before {
  position: absolute;
  left: 0;
  top: 0;
}
header .header-con .menu-btn::after,
header .header-con .menu-btn::before {
  margin-top: 6px;
  content: '';
  width: 100%;
  height: 2px;
  background-color: var(--header-nav-text-color);
  display: block;
  transition: width 0.35s;
}
header .header-con .menu-btn::before {
  margin-top: 0;
  margin-bottom: 6px;
}
header .header-con .menu-btn.active .center-line::after {
  transform: rotate(45deg);
}
header .header-con .menu-btn.active .center-line::before {
  transform: rotate(-45deg);
}
header .header-con .menu-btn.active::after,
header .header-con .menu-btn.active::before {
  width: 0;
}
.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);
}