header {
  position: fixed;
  z-index: 99;
  top: 0;
  width: 100%;
  background: #ffffff;
  background-image: url(".././images/common/navbartop.jpg");
  background-repeat: no-repeat;
  background-size: 100% 3px;
  transition: box-shadow 0.3s ease-in-out;
}

header,
header a {
  color: #ffffff;
  font-size: medium;
}

.navbar-toggler-icon {
	background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(3, 110, 182, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")
}

header .navbar-brand img {
  height: 60px;
  padding: 10px;
}

header nav.navbar {
  position: relative;
}

header .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  background-color: transparent;
  border: 0px;
  padding: 1rem;
  flex-wrap: nowrap;
  min-width: max-content;
  white-space: nowrap;
}

header .dropdown-item {
  color: #ffffff;
}

header .dropdown-item:hover {
  background-color: rgba(255, 255, 255, 0.75);
}

header .nav-item.dropdown::after {
  transition: background-color 0.3s ease;
}

header .nav-item.dropdown:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 4px; /* 藍色小方塊高度 */
  width: 100%; /* 或你要的寬度 */
  background-color: #29abe2;
}

header .dropdown-group {
  display: flex;
  flex-direction: column;
  min-width: 200px;
  margin: 0 10px;
}

header .dropdown-header {
  color: #fbb03b;
  font-size: x-large;
  border-bottom: 1px solid #f7931e;
}

header .dropdown-header small {
  font-size: medium;
  color: #ffffff !important;
}

header .dropdown-divider {
  display: none;
}

body {
  margin-top: 70px;
}

.dropdown-backdrop {
  position: fixed;
  left: 0;
  top: 70px;
  width: 100vw;
  background-color: rgba(0, 113, 188, 0.95);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: opacity 0.3s ease;
}

.dropdown-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 992px) {
  /* 隱藏桌機版主選單箭頭 */
  header .navbar .nav-item > .dropdown-toggle::after {
    display: none !important;
  }

  /* hover 展開 dropdown */
  header .nav-item.dropdown:hover > .dropdown-menu {
    display: flex;
  }

  header ul li:last-child a {
    color: #fff !important;
    background: #f39801;
    border-radius: 10px;
    margin: 0 10px;
  }

  header .navbar-nav > .nav-item:first-child {
    display: none;
  }

  header .dropdown-menu {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  header .dropdown-menu.show {
    opacity: 1;
    pointer-events: auto;
  }

  header .dropdown-item {
    transition: background-color 0.3s ease, color 0.3s ease;
  }
}
@media (max-width: 991.9px) {
  header .collapsing {
    transition: none !important;
    height: auto !important;
    display: block !important;
  }

  header .navbar-toggler {
    position: absolute;
    right: 0.5rem;
    top: 1rem;
  }

  header .collapse {
    background-color: #0d72b0;
    width: 100%;
  }

  header .navbar-nav > .nav-item > .nav-link,
  header .navbar-nav > .nav-item.show > .nav-link {
    color: #fff !important;
    padding: 8px 16px;
    border-bottom: 1px solid #45a6d8;
    position: relative;
  }

  header .navbar-nav > .nav-item > .nav-link::after {
    transition: transform 0.3s ease, -webkit-transform 0.3s ease;
  }

  header .navbar-nav > .nav-item.show > .nav-link::after {
    transform: rotate(180deg);
  }

  header .navbar-nav .nav-link.dropdown-toggle::after {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
  }

  header .navbar-nav > .nav-item:last-child > .nav-link {
    color: #e89c3d;
  }

  header .nav-item {
    width: 100%;
  }

  header .nav-item.show > .dropdown-menu {
    display: flex !important;
  }

  header .nav-item.dropdown > .dropdown-menu {
    flex-direction: column;
    transform: translateX(0);
    left: 0;
    padding: 0;
    background-color: #004a90;
  }

  header .nav-item.dropdown:hover::after {
    content: unset;
  }

  header .nav-item .dropdown-group {
    margin: 0;
  }

  header .dropdown-header {
    flex-direction: row !important;
    border-bottom: unset;
    font-size: medium;
    padding: 8px 16px;
    border-bottom: 1px solid #005b9f;
    position: relative;
    color: #fff;
  }

  header .dropdown-header::after {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-block;
    margin-left: 0.255em;
    vertical-align: 0.255em;
    content: "";
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
    transition: transform 0.3s ease, -webkit-transform 0.3s ease;
  }

  header .dropdown-group.show .dropdown-header::after {
    transform: rotate(180deg);
  }

  header .dropdown-header small {
    font-size: unset;
    margin-top: unset;
    line-height: unset;
    font-size: medium;
  }

  header .dropdown-submenu {
    display: none;
    background-color: #00366f;
  }

  header .dropdown-group.show .dropdown-submenu {
    display: block;
  }

  header .dropdown-header small::before {
    content: "-";
  }

  header .dropdown-item {
    padding: 8px 16px;
    border-bottom: 1px solid #005b9f;
  }

  .dropdown-backdrop {
    display: none;
  }
}

.contact {
  background-color: #f6aa44 !important;
  color: #fff;
}

@media (max-width: 991.9px) {
  .contact {
    text-align: center;
    font-size: small;
  }
}

footer {
  background: #b6b6b6;
  padding: 20px;
}

footer,
footer a,
footer a:hover,
footer a:focus,
footer a:active {
  color: #fff;
  font-size: x-small;
}

footer img {
  padding: 10px;
  margin: 10px 0;
  height: 50px;
  width: auto;
}

footer ul {
  padding: 0;
}

footer ul li {
  list-style: none;
  display: inline-block;
}

footer ul li:not(:last-child):after {
  content: "|";
  padding: 5px;
}