.site-header,
.site-header * {
  box-sizing: border-box;
}

.site-header {
  position: relative;
  z-index: 30;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  color: #252525;
  background: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: normal;
}

.site-header .brand-bar {
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin: 0;
  padding: 0;
  background: #fff;
}

.site-header .brand {
  display: block;
  margin: 0;
  padding: 0;
  background: transparent;
  text-decoration: none;
}

.site-header .brand img {
  display: block;
  width: 345px;
  max-width: none;
  height: auto;
  margin: 0;
  padding: 0;
  border: 0;
}

.site-header .brand-divider {
  width: 2px;
  height: 30px;
  flex: 0 0 2px;
  margin: 0;
  padding: 0;
  background: #aaa;
}

.site-header .brand-jd {
  position: relative;
  display: inline-grid;
  place-items: center;
  margin: 0;
  padding: 0;
}

.site-header .jd-trigger {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
}

.site-header .jd-trigger img {
  display: block;
  width: 30px;
  max-width: none;
  height: 24px;
  margin: 0;
  padding: 0;
  border: 0;
  object-fit: contain;
}

.site-header .jd-qrcode {
  position: absolute;
  z-index: 40;
  top: calc(100% + 12px);
  left: 50%;
  width: 170px;
  margin: 0;
  padding: 12px;
  border: 1px solid #ddd;
  background: #fff;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .16);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  pointer-events: none;
}

.site-header .jd-qrcode::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 50%;
  width: 12px;
  height: 12px;
  border-top: 1px solid #ddd;
  border-left: 1px solid #ddd;
  background: #fff;
  transform: translateX(-50%) rotate(45deg);
}

.site-header .jd-qrcode img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  margin: 0;
  padding: 0;
  border: 0;
}

.site-header .brand-jd:hover .jd-qrcode,
.site-header .brand-jd:focus-within .jd-qrcode {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.site-header .main-nav {
  position: relative;
  z-index: 32;
  display: block;
  width: 100%;
  height: 50px;
  margin: 0;
  padding: 0;
  background: #0e1e49;
}

.site-header .nav-inner {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  align-items: center;
  width: 100%;
  max-width: 1140px;
  height: 100%;
  margin: 0 auto;
  padding: 0;
  overflow: visible;
}

.site-header .nav-item {
  position: relative;
  display: block;
  min-width: 0;
  height: 100%;
  margin: 0;
  padding: 0;
}

.site-header .nav-inner .nav-link {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  color: #fff;
  background: transparent;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition: background .2s ease;
}

.site-header .nav-inner .nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: #47aeb8;
  opacity: 0;
  transform: scaleX(.5);
  transition: opacity .2s ease, transform .2s ease;
}

.site-header .nav-item:hover .nav-link,
.site-header .nav-item:focus-within .nav-link {
  color: #fff;
  background: #173066;
  text-decoration: none;
}

.site-header .nav-item:hover .nav-link::after,
.site-header .nav-item:focus-within .nav-link::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-header .nav-submenu {
  position: absolute;
  top: 100%;
  left: 0;
  display: block;
  width: 100%;
  min-width: 160px;
  margin: 0;
  padding: 8px 0;
  border: 0;
  background: rgba(14, 30, 73, .96);
  box-shadow: 0 12px 24px rgba(0, 0, 0, .16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.site-header .nav-item:hover .nav-submenu,
.site-header .nav-item:focus-within .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-header .nav-inner .nav-submenu a {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  height: auto;
  min-height: 38px;
  margin: 0;
  padding: 9px 18px;
  color: #fff;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
  text-decoration: none;
  white-space: nowrap;
}

.site-header .nav-inner .nav-submenu a:hover,
.site-header .nav-inner .nav-submenu a:focus-visible {
  color: #fff;
  background: #4d8c91;
  text-decoration: none;
  outline: 0;
}

@media (max-width: 900px) {
  .site-header .brand-jd {
    display: none;
  }

  .site-header .nav-submenu {
    display: none;
  }
}

@media (max-width: 620px) {
  .site-header .brand img {
    width: 235px;
  }

  .site-header .main-nav {
    height: 46px;
  }

  .site-header .nav-inner .nav-link {
    font-size: 14px;
  }
}