header {
  padding: 0 50px;
  transition: background-color 0.35s ease-in-out, transform 0.35s ease-in-out;
  transform: translateY(0);
  height: var(--header-height);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 99;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}
@media screen and (max-width: 992px) {
  header {
    padding: 0 15px;
  }
}
header.white {
  border-bottom: 1px solid #f5f5f5;
  background-color: #fff;
}
header .logo {
  height: 77%;
  display: block;
}
@media screen and (max-width: 992px) {
  header .logo {
    height: 70%;
  }
}
@media screen and (max-width: 576px) {
  header .logo {
    height: 60%;
  }
}
header .logo img {
  height: 100%;
}
header .lang-menu-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 32px;
}
@media screen and (max-width: 1400px) {
  header .lang-menu-btn {
    gap: 28px;
  }
}
@media screen and (max-width: 1200px) {
  header .lang-menu-btn {
    gap: 22px;
  }
}
@media screen and (max-width: 576px) {
  header .lang-menu-btn {
    gap: 18px;
  }
}
header .lang-menu-btn .lang-btn {
  position: relative;
}
header .lang-menu-btn .lang-btn button {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  color: #2a2e4a;
  font-size: 16px;
  line-height: 1.45;
  cursor: pointer;
}
@media screen and (max-width: 576px) {
  header .lang-menu-btn .lang-btn button {
    font-size: 14px;
  }
}
header .lang-menu-btn .lang-btn button .icon-diqiu {
  font-size: 18px;
}
@media screen and (max-width: 768px) {
  header .lang-menu-btn .lang-btn button .icon-diqiu {
    font-size: 16px;
  }
}
@media screen and (max-width: 768px) {
  header .lang-menu-btn .lang-btn button span {
    display: none;
  }
}
header .lang-menu-btn .lang-btn button .icon-sanjiaoxing {
  font-size: 8px;
}
header .lang-menu-btn .lang-btn .lang-list {
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 10px;
  opacity: 0;
  transform: translateY(-1000px);
  transition: opacity 0.35s ease-in-out;
}
header .lang-menu-btn .lang-btn .lang-list ul {
  box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  background-color: #fff;
}
header .lang-menu-btn .lang-btn .lang-list ul li {
  transition: background-color 0.35s ease-in-out;
}
header .lang-menu-btn .lang-btn .lang-list ul li a {
  padding: 8px 20px;
  font-size: 16px;
  white-space: nowrap;
  cursor: pointer;
  color: #2a2e4a;
  display: block;
}
@media screen and (max-width: 768px) {
  header .lang-menu-btn .lang-btn .lang-list ul li a {
    font-size: 14px;
  }
}
header .lang-menu-btn .lang-btn .lang-list ul li:hover {
  background-color: rgba(0, 62, 146, 0.3);
}
header .lang-menu-btn .lang-btn:hover .lang-list {
  opacity: 1;
  transform: translateY(0);
}
header .lang-menu-btn .download-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  border-radius: 28px;
  border: 1px solid #2a2e4a;
  padding: 4px 16px;
  color: #2a2e4a;
  font-size: 16px;
  line-height: 1.45;
}
@media screen and (max-width: 768px) {
  header .lang-menu-btn .download-btn {
    border: none;
    padding: 0;
  }
}
@media screen and (max-width: 576px) {
  header .lang-menu-btn .download-btn {
    font-size: 14px;
  }
}
header .lang-menu-btn .download-btn .iconfont {
  font-size: 18px;
}
@media screen and (max-width: 576px) {
  header .lang-menu-btn .download-btn .iconfont {
    font-size: 16px;
  }
}
@media screen and (max-width: 768px) {
  header .lang-menu-btn .download-btn span {
    display: none;
  }
}
header .lang-menu-btn .menu-btn {
  position: relative;
  z-index: 2;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
header .lang-menu-btn .menu-btn .center-line {
  position: relative;
  width: 25px;
}
header .lang-menu-btn .menu-btn .center-line::after,
header .lang-menu-btn .menu-btn .center-line::before {
  content: '';
  width: 100%;
  height: 2px;
  background-color: #2a2e4a;
  display: block;
  transform: rotate(0);
  transition: 0.35s;
}
header .lang-menu-btn .menu-btn .center-line::before {
  position: absolute;
  left: 0;
  top: 0;
}
header .lang-menu-btn .menu-btn::after,
header .lang-menu-btn .menu-btn::before {
  margin-top: 6px;
  content: '';
  width: 100%;
  height: 2px;
  background-color: #2a2e4a;
  display: block;
  transition: width 0.35s;
}
header .lang-menu-btn .menu-btn::before {
  margin-top: 0;
  margin-bottom: 6px;
}
header .lang-menu-btn .menu-btn.active .center-line::after {
  transform: rotate(45deg);
}
header .lang-menu-btn .menu-btn.active .center-line::before {
  transform: rotate(-45deg);
}
header .lang-menu-btn .menu-btn.active::after,
header .lang-menu-btn .menu-btn.active::before {
  width: 0;
}
.menu-box {
  position: fixed;
  top: var(--header-height);
  right: 0;
  left: 0;
  bottom: 0;
  z-index: 98;
  transform: translateX(100%);
  transition: transform 0.35s ease-in-out;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: flex-end;
}
.menu-box.open {
  transform: translateX(0);
}
.menu-box .menu-list {
  border-top: 1px dotted #2a2e4a;
  background-color: #fff;
  max-width: 500px;
  width: 100%;
  overflow-y: auto;
}
.menu-box .menu-list ul {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  height: 100%;
}
.menu-box .menu-list ul li {
  padding: 0 15px;
  flex-grow: 1;
  flex-shrink: 0;
  transition: background-color 0.35s ease-in-out;
  background-color: #003e92;
}
.menu-box .menu-list ul li:hover {
  background-color: #fff;
}
.menu-box .menu-list ul li:hover a {
  font-weight: bold;
  color: #003e92;
}
.menu-box .menu-list ul li:first-child {
  border-top: none;
}
.menu-box .menu-list ul li a {
  padding: 14px;
  color: #fff;
  font-size: 18px;
  line-height: 1.166;
  height: 100%;
  transition: color 0.35s ease-in-out;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
}
@media screen and (max-width: 992px) {
  .menu-box .menu-list ul li a {
    font-size: 16px;
  }
}
@media screen and (max-width: 576px) {
  .menu-box .menu-list ul li a {
    font-size: 14px;
  }
}
.transitionbrush-layer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  height: 100%;
  width: 100%;
}
.transitionbrush-layer .bg-layer {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translateY(-50%) translateX(-2%);
  transform: translateY(-50%) translateX(-2%);
  height: 100%;
  width: 2500%;
  background: url(../img/bg111.png) no-repeat 0 0;
  background-size: 100% 100%;
  -webkit-animation: sequence 1s steps(24);
  animation: sequence 1s steps(24);
  -webkit-animation-fill-mode: forwards;
  animation-fill-mode: forwards;
}
@keyframes sequence {
  0% {
    -webkit-transform: translateY(-50%) translateX(-2%);
    transform: translateY(-50%) translateX(-2%);
  }
  to {
    -webkit-transform: translateY(-50%) translateX(-98%);
    transform: translateY(-50%) translateX(-98%);
  }
}
