#header {
  background: #ffffff;
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
  border-bottom: 1px solid #ebebeb;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 3000;
}

.navLogo {
  display: block;
  height: 40px;
  margin-right: 30px;
}

.navbar {
  padding-top: 0;
  padding-bottom: 0;
}

.navbar-nav .nav-item {
  margin-right: 16px;
}
.navbar-nav .nav-item .nav-link {
  background: #ffffff;
  color: #333333;
  font-size: 16px;
  padding: 1rem 0.85rem;
}
@media screen and (max-width: 1180px) {
   .navbar-nav .nav-item .nav-link {
     padding: 0.5rem 0.5rem;
   }
}
.navbar-nav .nav-item.join .nav-link {
  background: #003674;
  color: #ffffff;
}

.navbar-collapse {
  flex-grow: 0;
}

.mainBannerContainer {
  padding: 0;
  overflow: hidden;
}

.mainBannerImgBox {
  display: none;
}
@media screen and (max-width: 992px) {
  .mainBannerImgBox {
    display: block;
    width: 100%;
    height: 50vh;
    margin-top: 50px;
  }
  .mainBannerImgBox .mainBannerImg {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    -o-object-position: center center;
       object-position: center center;
  }
}

/* Retina 顯示器調整 */
@media only screen and (-webkit-min-device-pixel-ratio: 2), 
       only screen and (min-resolution: 192dpi) {
    .mainBanner {
        background-size: containt; /* 或 100% auto */
        background-position: center top;
    }
}
.mainBanner {
  height: 100vh;
  /*background: url(../img/banner/mainBg1.jpg);*/
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  background-attachment: fixed;
  position: relative;
}
@media screen and (max-width: 992px) {
  .mainBanner {
    background: #ffffff;
    background-image: none!important;
    height: -moz-fit-content;
    height: fit-content;
    /*margin-top: 1rem;*/
    margin-bottom: 3rem;
  }
}



.mainBannerTriangle {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-top: 100vh solid #ffffff;
  border-right: 70vh solid transparent;
}
@media screen and (max-width: 992px) {
  .mainBannerTriangle {
    display: none;
  }
}

.mainBannerBottomText {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translate(-50%, 0);
  width: -moz-fit-content;
  width: fit-content;
  height: -moz-fit-content;
  height: fit-content;
  display: flex;
  justify-content: center;
  align-items: center;
}
@media screen and (max-width: 992px) {
  .mainBannerBottomText {
    width: 100%;
    bottom: -15px;
  }
}
@media screen and (max-width: 768px) {
  .mainBannerBottomText {
    bottom: -8px;
  }
  .mainBannerBottomText img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    -o-object-position: top left;
       object-position: top left;
  }
}


@media screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: portrait),
       screen and (min-device-width: 768px) and (max-device-width: 1366px) and (orientation: landscape) {
  .mainBanner {
    background-attachment: scroll !important; /* 禁用固定背景 */
    background-size: cover !important;        /* 保持縮放比例 */
  }
}
@supports (-webkit-overflow-scrolling: touch) {
  .mainBanner {
    background-attachment: scroll !important;
  }
}
/*# sourceMappingURL=header.css.map */