.header {
  position: relative;
  width: 100%;
  height: 4.167vw;
  min-height: 60px;
  background-color: #fff;
  transition: transform .3s
}
.header .header-content {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 16.667vw;
}
.header.sticky {
  position: fixed;
  top: -4.167vw;
  transform: translateY(4.167vw);
  z-index: 1000;
  width: 100%;
  box-shadow: 2px 0 10px rgba(0, 0, 0, .2);
}
.nav-toggle {
  display: none;
}
.nav-aside {
  position: fixed;
  top: 60px;
  bottom: 0;
  left: 100%;
  z-index: 900;
  width: 100%;
  height: calc(100vh - 60px);
  padding-bottom:  48px;
  background-color: #fff;
  transition: all 0.3s ease;
  overflow-y: auto;
}

.logo-link {
  font-size: 0;
}
.logo {
  flex-shrink: 0;
  width: 13.281250vw;
  height: 1.354167vw;
}

.nav-header {
  height: 100%;
}

.nav-list {
  display: flex;
  height: 100%;
}

.nav-item:not(:last-child) {
  margin-right: 3.125vw;
}

.nav-item-label {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  cursor: pointer;
}
.nav-item-label::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3.75vw;
  height: 0.15625vw;
  background-color: #ffc000;
  visibility: hidden;
  opacity: 0;
}

.nav-item .nav-header-link {
  padding: 0 .5em;
  font-size: 0.9375vw;
  font-weight: bold;
  color: #555;
}
.nav-item:hover .nav-header-link,
.nav-item.nav-item-active .nav-header-link {
  color: #016dbf;
}

.nav-menu-collapse-product {
  position: absolute;
  top: 4.1667vw;
  left: 0;
  z-index: 100;
  width: 100%;
  height: 20.833vw;
  padding: 0 16.667vw;
  border: 1px solid #ededed;
  border-top: 1px solid #dbdbdb;
  background-color: #fff;
  visibility: hidden;
  opacity: 0;
}
.nav-menu-product-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  height: 100%;
  padding: 1.770833vw 0 1.875vw;
}
.nav-menu-product-item {
  flex-basis: 20%;
}
.nav-menu-product-link {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  justify-content: center;
  align-items: center;
  min-height: 6.770833vw;
  font-size: 0.833333vw;
  color: #666;
  cursor: pointer;
  line-height: 1;
}
.nav-menu-product-link:hover {
  color: #016dbf;
}
.nav-menu-product-item:hover .nav-menu-product-img {
  transform: scale(1.05);
}
.nav-menu-product-img {
  max-width: 80%;
  height: 4.895833vw;
  margin-bottom: 0.833333vw;
  object-fit: contain;
  transition: all .3s ease-in-out;
}

.nav-menu-collapse {
  position: absolute;
  top: 4.1667vw;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: 10.416667vw;
  padding: 0.9375vw 0;
  border: 1px solid #ededed;
  border-top: 1px solid #dbdbdb;
  background-color: #fff;
  visibility: hidden;
  opacity: 0;
}
.nav-menu-item {
  display: flex;
  justify-content: center;
  align-items: center;
}
.nav-menu-link {
  font-size: 0.8333vw;
  line-height: 2.375;
  color: #666;
  text-align: center;
}
.nav-menu-item:hover .nav-menu-link {
  color: #016dbf;
}

.nav-item:hover .nav-menu-collapse-product,
.nav-item:hover .nav-menu-collapse,
.nav-item:hover .nav-item-label::after {
  visibility: visible;
  opacity: 1;
  transition: all .25s ease-out;
}
.nav-item.nav-item-active .nav-item-label::after {
  visibility: visible;
  opacity: 1;
}
.language-container {
  position: absolute;
  top: 0;
  right: 9%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 4.6875vw;
  height: 100%;
}
.language-container .current-language {
  display: flex;
  align-items: center;
  font-size: 0.9375vw;
  font-weight: bold;
  color: #555;
  cursor: pointer;
  height: 100%;
}
.language-container .current-language .icon-language {
  width: 1.25vw;
  height: 1.25vw;
}
.language-container:hover .language-list {
  visibility: visible;
  opacity: 1;
  transition: all .25s ease-out;
}
.language-container .language-list {
  position: absolute;
  top: 4.1667vw;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 0.9375vw 0;
  border: 1px solid #ededed;
  border-top: 1px solid #dbdbdb;
  background-color: #fff;
  visibility: hidden;
  opacity: 0;
}
.language-container .language-list .language-link {
  font-size: 0.8333vw;
  line-height: 2.375;
  color: #666;
  text-align: center;
}
.language-container .language-list .language-link.language-link-current {
  color: #ccc;
}

@media (max-width: 768px) {
  .header {
    height: 60px;
  }
  .header .header-content {
    width: 100%;
    padding: 0 24px;
    border-bottom: 1px solid #eee;
  }
  .header.sticky {
    top: -60px;
    transform: translateY(60px);
  }
  .nav-header,
  .language-container {
    display: none;
  }
  .logo {
    width: 128px;
    height: 13px;
  }

  .nav-toggle {
    display: block;
    position: relative;
    width: 44px;
    height: 33px;
    padding: 9px 10px;
    background-color: transparent;
    background-image: none;
    border: 1px solid transparent;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .nav-toggle :focus:not(:focus-visible) {
    outline: none;
  }
  .nav-toggle .icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    margin-top: 4px;
    background-color: #333;
    border-radius: 1px;
  }
  .nav-toggle.collapsed .icon-bar {
    position: static;
    margin: 0;
    margin-top: 4px;
  }
  .nav-toggle.collapsed .icon-bar:nth-child(1) {
    transform: rotate(0);
    margin-top: 0;
  }
  .nav-toggle.collapsed .icon-bar:nth-child(2) {
    opacity: 1;
  }
  .nav-toggle.collapsed .icon-bar:nth-child(3) {
    transform: rotate(0);
  }

  .nav-toggle .icon-bar:nth-child(1) {
    transform: rotate(45deg);
  }
  .nav-toggle .icon-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle .icon-bar:nth-child(3) {
    transform: rotate(-45deg);
  }
  .nav-toggle .icon-bar {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -11px;
    margin-top: -1px;
  }

  .nav-aside.in {
    left: 0;
  }

  .nav-aside {
    scrollbar-width: none;
    scrollbar-gutter: stable;
    scrollbar-color: #999 #f1f1f1; 
  }
  .nav-aside::-webkit-scrollbar {
    width: 1px;
  }
  .nav-aside::-webkit-scrollbar-track {
    background: #f1f1f1;
  }
  .nav-aside::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 8px;
  }
  .nav-aside::-webkit-scrollbar-thumb:hover {
    background: #aaa;
  }
  .nav-aside::-webkit-scrollbar-thumb:hover {
    background: #555; 
  }
}

.nav-list-mobile {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-top: 24px;
}

.nav-item-mobile:not(:last-child) {
  margin-bottom: 24px;
}
.nav-item-mobile .nav-link-collapse {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 16px;
  font-weight: bold;
  color: #555;
}
.nav-item-mobile:hover .nav-link,
.nav-item-mobile:hover .nav-link-collapse {
  color: #016dbf;
}
.nav-item-mobile .nav-collapse-icon {
  position: absolute;
  top: calc(50% - 8px);
  right: 16%;
  transform: rotate(-90deg);
  width: 20px;
  height: 1em;
  transition: transform .3s, -webkit-transform .3s;
}
.nav-item-mobile.collapsed .nav-collapse-icon {
  transform: rotate(0);
}
.nav-link {
  padding: 4px;
  font-size: 18px;
  font-weight: bold;
  color: #555;
  text-align: center;
  letter-spacing: 2px;
}
.nav-item-mobile.collapsed .nav-link {
  color: #016dbf;
}
.nav-product-list, .nav-collapse-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-height: 0;
  margin: 0;
  background-color: #f9f9f9;
  transition: all .3s ease;
  overflow: hidden;
}
.nav-product-list.collapsed {
  padding: 32px 0;
  max-height: 2000px;
}
.nav-collapse-list.collapsed {
  padding: 32px 0;
  max-height: 500px;
}
.nav-product-item:not(:last-child) {
  width: 100%;
  margin-bottom: 48px;
}
.nav-product-link {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.nav-product-link,
.nav-collapse-link {
  font-size: 16px;
  color: #666;
  cursor: pointer;
  line-height: 1;
}
.nav-collapse-item .nav-collapse-link.language-link-mobile-current {
  color: #ccc;
}
.nav-product-link:hover,
.nav-collapse-link:hover {
  color: #016dbf;
}
.nav-product-img {
  width: 40%;
  height: auto;
  margin-bottom: 16px;
  object-fit: contain;
  transition: all .3s ease-in-out;
}

.nav-collapse-item:not(:last-child) {
  margin-bottom: 16px;
}