header{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  font-size: var(--font-size-20);
  background-color: var(--primary-color);
}

header img{width: 100%;}
header .bg{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  transition: height 0.3s ease-in-out;
}

header .bg.car-active {
  height: 4.54rem;
}
header .primary{
  background-color: var(--primary-color);
}
header .bg.ordinary-active {
  height: 1.7rem;
}
.group {
    -webkit-backdrop-filter: blur(max(1.1pc,min(1.389vw,26.6px)));
    backdrop-filter: blur(max(1.1pc,min(1.389vw,26.6px)));
    background-color: hsla(223,95%,16%,.30);
    /* border-radius: max(1.1pc,min(1.389vw,26.6px)); */
    display: flex;
    justify-content: space-between;
    /* padding: max(.33pc,min(.417vw,7.98px)); */
    pointer-events: all;
    /* width: calc(32% + max(7.92px, min(.625vw, 11.97px))) */
}
.primary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 0.9rem;
  position: relative;
}
.logo{width: 22%; max-width: 4.34rem; display: flex; align-items: center; justify-content: center;}
.logo img{width: 1.84rem;}
.menu{
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: 60%;
  height: 100%;
}
.menu li{
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.menu a{
  color: #fff;
}
.accessibility{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18%;
  height: 100%;
}

.accessibility >div{
  width: 0.2rem;
  height: 100%;
  padding: 0 0.16rem;
}
.accessibility >div a{
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.primary-item{
  position: relative;
}
.primary-item >a{
  /* display: block; */
  width: auto;
   display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  
}
.primary-item >a::after{
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 0.64rem;
  height: 0.02rem;
  background-color: var(--lightblue-color);
  /* transform:; */
  transition: transform 0.3s ease-in-out;
}
.primary-item:hover >a, .primary-item.on >a{
  color: var(--lightblue-color);
}
.primary-item:hover >a::after, .primary-item.on >a::after{
  transform:translateX(-50%) scaleX(1);
  transition: transform 0.3s ease-in-out;
}
.primary-item .secondary{
  position: absolute;
  top: 100%;
  left: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease-in-out;
}

.primary-item:hover .secondary{
  opacity: 1;
  pointer-events: all;
}

.primary-item .secondary a{
  display: block;
  width: auto;
  white-space: nowrap;
  margin: 0 0.36rem;
  height: 0.8rem;
  line-height: 0.8rem;
  position: relative;
}
.primary-item .secondary a::after{
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 0.64rem;
  height: 0.02rem;
  background-color: var(--lightblue-color);
  /* transform:; */
  transition: transform 0.3s ease-in-out;
}
.primary-item .secondary a:hover,.primary-item .secondary a.on{
  color: var(--lightblue-color);
}
.primary-item .secondary a:hover::after,.primary-item .secondary a.on::after{
  transform:translateX(-50%) scaleX(1);
  transition: transform 0.3s ease-in-out;
}
/* .primary-item .secondary a.on{
  transform:translateX(-50%) scaleX(1);
  transition: transform 0.3s ease-in-out;
} */


.primary-item .secondary.ordinary{
  /* width: 100%; */
}

.primary-item .secondary.car{
  position: absolute;
  display: flex;
  align-items: center;
  width: 100vw;
  align-items: center;
  justify-content: center;
  top: 0.9rem;
  transform: translateX(100%);
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.primary-item:hover .secondary.car{
  transform: translateX(0);
  opacity: 1;
}

.primary-item .secondary.car a{
  width: 5.54rem;
  height: 3.16rem;
  /* margin-top: 0.5rem; */
  position: relative;
  text-align: center;
  margin: 0 ;
  opacity: 0;
  transform: translateX(100%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
}
.primary-item .secondary.car a::after{
  display: none;
}
.primary-item:hover .secondary.car a{
  opacity: 1;
  transform: translateX(0);
}

.primary-item:hover .secondary.car a:nth-child(1){
  transition-delay: 0.1s;
}

.primary-item:hover .secondary.car a:nth-child(2){
  transition-delay: 0.2s;
}

.primary-item:hover .secondary.car a:nth-child(3){
  transition-delay: 0.3s;
}
.primary-item .secondary.car a .w{
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-26);
  font-weight: bold;
  display: block;
  text-align: center;
}
.primary .line{
  height: 1px;
  width: 100%;
  background: rgba(255, 255, 255, 0.2);
  position: absolute;
  top: 0.9rem;
  left: 0;
  /* opacity:0; */
  transition: opacity 0.3s ease-in-out;
}

.primary .line.show {
  opacity: 1;
}

/* Mobile Menu Toggle */
.mobile-only {
  display: none;
}

.close {
  cursor: pointer;
  width: 0.5rem;
  height: 0.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
}

.close .line {
  background-color: #fff;
  transition: all 0.3s ease-in-out;
  position: absolute;
  display: inline-block;
}

.close .line1 {
  width: 0.38rem;
  height: 0.04rem;
 top: 0.28rem;
 left: 0.16rem;
}

.close .line2 {
  width: 0.26rem;
  height: 0.04rem;
  top: 0.44rem;
  left: 0.26rem;
}

.close .line3 {
  width: 0.38rem;
  height: 0.04rem;
  top: 0.6rem;
  left: 0.16rem;
}

/* Animation to X */
.close.active .line1 {
  transform: rotate(45deg);
  width: 0.38rem;
  position: absolute;
  top: 50%;
  left: 0.16rem;
}

.close.active .line2 {
  opacity: 0;
}

.close.active .line3 {
  transform: rotate(-45deg);
  width: 0.38rem;
  position: absolute;
  top: 50%;
  left: 0.16rem;
}
 .menu .feature-icon{
  display: none;
}
/* Mobile Menu Animation */

.close{
  display: none;
}

.leftArrow{
  position: fixed;
  bottom: 0.76rem;
  right: 0.36rem;
  width: 0.56rem;
  height: 0.56rem;
  background:#fff;
  color: var(--primary-color);
  font-size: var(--font-size-32);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.leftArrow.show{
  opacity: 0.4;
  visibility: visible;
}
.leftArrow:hover{
    background: var(--primary-color);
    color: #fff;
}
/* .leftArrow i{
  font-size: var(--font-size-24);
} */

/* Mobile Responsive Design */
@media (max-width: 768px) {
  header{position: fixed;}
 .mobile-only {
    display: block;
  }

  .menu {
    display: none;
  }

  .menu.mobile-menu {
    display: flex;
  }

  .logo{
    width: 34%;
  }
  .accessibility{
    width: 32%;
    justify-content: flex-end;
  }
  .accessibility >div{
    width: 0.37rem;
  }
  .menu li{
    /* height: 0.9rem; */
    height: auto;
    width: 100%;
    flex-wrap: wrap;
    justify-content:flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: block;
    /* padding-left: 0.42rem; */
  }
  
  .menu .primary-item >a{
    justify-content: flex-start;
    padding-left: 0.42rem; 
    height: 0.9rem;
    position: relative;
    width: 90%;
  }
  
  .menu .primary-item{
    overflow: hidden;
    transition: height 0.3s ease-in-out;
  }
  
  .menu .primary-item:not(.has-secondary) .feature-icon{
    display: none;
  }
  
  .menu .primary-item .secondary{
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out;
    padding: 0;
  }
  
  .menu .primary-item.active .secondary{
    max-height: 500px;
    padding: 0.2rem 0;
  }
  .menu .primary-item >a::after{
    display: none;
  }
  .primary-item:hover >a::after, .primary-item.on >a::after{
        transform: translateX(0) scaleX(1);
  }
   .menu .feature-icon{
    display: block;
    color: #fff;
    position: absolute;
    top: 0;
    padding: 0.24rem 0.3rem;
    /* top: 50%;
    transform: translateY(-50%); */
    right: 0.2rem;
  }
  .accessibility >div a::after{
    display: none;
  }
  .primary-item .secondary.car{
    position: initial;
    flex-wrap: wrap;
    display: block;
  }
  .primary-item .secondary.car a{
    width: 6.8rem;
    height: 1.5rem;
    justify-content: initial;
  }
   .primary-item .secondary.car a img{
    height: 100%;
    width: auto;
   }
  /* .primary-item.on .secondary.car a{
    opacity: 1;
    transform: translateX(0);
  } */
  .primary-item.active .secondary.car{
    transform: translateX(0);
    opacity: 1;
    /* width: 90%; */
    /* margin: 0 auto; */
  }
  .primary-item.active .secondary.car a{
     opacity: 1;
    transform: translateX(0);
  }
  .primary-item .secondary{
    position: initial;
    display: block;
    opacity:1;
    width: 90%;
    margin: 0 auto;
    padding: 0.2rem 0;
  }
  .primary-item .secondary a{
    height: 0.6rem;
    line-height: 0.6rem;
    /* font-size: var(--font-size-26);
    color: #fff;
    display: block;
    text-align: center; */
  }
  .menu.mobile-menu {
  position: fixed;
  top: 0.9rem;
  right: -100%;
  width: 100%;
  height: calc(100vh - 0.9rem);
  background-color: rgba(6, 29, 89, 0.9);
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  /* padding: 1rem; */
  transition: right 0.3s ease-in-out;
  z-index: 999;
  overflow-y: auto;
}

.menu.mobile-menu.active {
  right: 0;
}
.primary-item .secondary.car a .w{
  left: initial;
  right: 0.2rem;
  transform: initial;
  bottom: initial;
  top: 50%;
  transform: translateY(-50%);
}
   .primary-item .secondary a:hover{
    color:#fff;
   }
   .primary-item:hover >a{
    color:#fff;
   }
   .primary-item.on >a{
    color: var(--lightblue-color);
   }
   .menu .feature-icon.fa-angle-up{
    color: var(--lightblue-color);
   }
   .primary-item .secondary a::after{
    display: none;
   }
   .language .secondary{
      position: fixed;
      top: 0.9rem;
      right: -100%;
      width: 100%;
      height: calc(100vh - 0.9rem);
      background-color: rgba(6, 29, 89, 0.9);
      flex-direction: column;
      justify-content: flex-start;
      align-items: center;
      left:initial;
      transition: right 0.3s ease-in-out;
      z-index: 999;
      overflow-y: auto;
   }
   .language.active .secondary{
      right: 0;
   }
   .language.active a img{
      filter: brightness(0) saturate(100%) invert(53%) sepia(98%) saturate(1984%) hue-rotate(186deg) brightness(97%) contrast(103%);
   }
   .primary-item.language{
    padding:0;
   }
   .primary-item.language .secondary a{
    height: 0.9rem;
    line-height: 0.9rem;
    font-size: var(--font-size-26);
    color: #fff;
    display: block;
    /* text-align: left; */
    margin: 0;
    padding: 0 0.42rem;
    border-bottom: 1px solid color-mix(in srgb, #fff 20%, transparent);
    
   }
   .primary-item.language .secondary a.on{
    color:var(--lightblue-color) ;
   }
   .leftArrow{
    width: 0.8rem; height: 0.8rem; 
   }

  /* Coming Soon Modal - 手机版 */
  .coming-soon-modal-content {
    width: calc(100% - 0.6rem);
    max-width: none;
    padding: 0.6rem 0.5rem;
    margin: 0 0.3rem;
    border-radius: 0.24rem;
  }
  .coming-soon-modal-close {
    top: 0.2rem;
    right: 0.2rem;
    width: 0.56rem;
    height: 0.56rem;
    min-width: 44px;
    min-height: 44px;
    font-size: var(--font-size-24);
  }
  .coming-soon-modal-icon {
    width: 0.8rem;
    height: 0.8rem;
    margin-bottom: 0.2rem;
    font-size: var(--font-size-32);
  }
  .coming-soon-modal-title {
    font-size: var(--font-size-32);
    letter-spacing: 0.06em;
  }
  .coming-soon-modal-subtitle {
    font-size: var(--font-size-18);
    letter-spacing: 0.08em;
    margin-bottom: 0.16rem;
  }
  .coming-soon-modal-desc {
    font-size: var(--font-size-14);
  }
}

/* Coming Soon Modal */
.coming-soon-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.coming-soon-modal.active {
  opacity: 1;
  visibility: visible;
}
.coming-soon-modal-overlay {
  position: absolute;
  inset: 0;
}
.coming-soon-modal-content {
  position: relative;
  background: linear-gradient(145deg, #ffffff 0%, #f8fbff 100%);
  border-radius: 0.32rem;
  padding: 0.7rem 0.9rem;
  max-width: 6.4rem;
  width: 90%;
  text-align: center;
  box-shadow: 0 0.4rem 2rem rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(105, 199, 236, 0.2);
  transform: scale(0.9) translateY(0.2rem);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}
.coming-soon-modal.active .coming-soon-modal-content {
  transform: scale(1) translateY(0);
}
.coming-soon-modal-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0.04rem;
  background: linear-gradient(90deg, transparent, var(--lightblue-color), transparent);
  opacity: 0.8;
}
.coming-soon-modal-close {
  position: absolute;
  top: 0.24rem;
  right: 0.24rem;
  width: 0.44rem;
  height: 0.44rem;
  border: none;
  background: rgba(1, 30, 80, 0.06);
  color: var(--primary-color);
  font-size: var(--font-size-22);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease, color 0.25s ease;
}
.coming-soon-modal-close:hover {
  background: var(--primary-color);
  color: #fff;
}
.coming-soon-modal-icon {
  width: 1rem;
  height: 1rem;
  margin: 0 auto 0.28rem;
  background: linear-gradient(135deg, var(--lightblue-color) 0%, #4db8e8 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--font-size-40);
  box-shadow: 0 0.2rem 0.6rem rgba(105, 199, 236, 0.4);
}
.coming-soon-modal-title {
  font-size: var(--font-size-40);
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 0.08rem;
  letter-spacing: 0.08em;
}
.coming-soon-modal-subtitle {
  font-size: var(--font-size-22);
  color: var(--lightblue-color);
  font-weight: 600;
  margin: 0 0 0.2rem;
  letter-spacing: 0.12em;
}
.coming-soon-modal-desc {
  font-size: var(--font-size-16);
  color: var(--text-light-gray);
  line-height: 1.6;
  margin: 0;
}