.dc-nav {
  background-color: #37beeb;
  /* text-align: center; */
  font-family: "Microsoft JhengHei";
  position: sticky;
    top: 0;
}

.dc-nav ul.main-menu {
  list-style-type: none;
  height: 60px;
  display: flex;
  justify-content: center;
  margin: 0 auto;
  padding: 0;
}

.dc-nav ul.main-menu>li {
  display: flex;
  align-items: center;
  min-height: 60px;
  text-align: center;
  padding: 0 min(2rem, 2vw);
  box-sizing: border-box;
  position: relative;
}

.dc-nav ul.main-menu>li:after {
  content: "";
  position: absolute;
  right: -1px;
  top: 20px;
  height: 20px;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.5);
  display: block;
}

.dc-nav ul.main-menu>li>a {
  display: block;
  width: 100%;
  color: #fff;
  font-size: 1rem;
}

.dc-nav ul.main-menu>li:hover {
  background-color: #02233d;
}

.dc-nav ul.main-menu>li:hover:after {
  display: none;
}

.dc-nav .main-menu>li.hasSubmenu>a:after {
  /* position: absolute;
  display: block;  
  right: 5px;
  top: 0; */
  content: " \f107";
  font: var(--fa-font-solid);
  /* line-height: 60px; */
  color: #e4ffff;
}

.dc-nav .main-menu .submenu>li {
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 1rem;
  padding-right: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.8;
}

.dc-nav .main-menu .submenu {
  position: absolute;
  top: 50px;
  visibility: hidden;
  width: 100%;
  display: flex;
  /* background-color: #003f73; */
  z-index: 99;
  padding: 0;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s;
}

.dc-nav .main-menu .submenu.open-submenu {
  opacity: 1;
  display: flex;
  top: 60px;
  left: 0;
  right: 0;
  width: 100%;
  opacity: 1;
  visibility: visible;
}

.dc-nav .main-menu .submenu#submenu1 {
  width: 200%;
  left: -50%;
}

.dc-nav .main-menu .submenu#submenu2 {
  width: 500%;
  left: -180%;
}

.dc-nav .main-menu .submenu#submenu3 {
  width: 200%;
  left: -50%;
}

#menu_layer {
  width: 100%;
  background-color: rgba(2, 35, 61, 0.9);
  z-index: 85;
  height: 0;
  min-height: 0;
  transition: all 0.3s;
}

.dc-nav .submenu>li>a {
  color: #fff;
}

.dc-nav .submenu>li:hover>a {
  color: #ff0;
}

#mclick {
  width: 50px;
  height: 50px;
  border: none;
  outline: none;
  background-color: transparent;
  display: none;
  position: relative;
  background-image: url(../images/common/m-open.png);
  background-repeat: no-repeat;
  background-position: center;
}

#mclick.open {
  background-image: url(../images/common/m-close.png);
  background-size: 60%;
}

#slide-over {
  display: none;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.8);
  position: fixed;
  left: 0;
  top: 0;
}

.m-language {
  display: none;
}

#header .p-language {
  display: block;
}

#header ul.topright li.p-language a {
  display: inline-block;
  padding-left: 5px;
}

@media (min-width: 769px) {

  .dc-nav .main-menu>li.hasSubmenu:hover~#menu_layer,
  #menu_layer.hasshow {
    height: 60px;
    /* animation: open-submenu-eff 0.7s forwards; */
  }
}

@media (max-width:1024px) {
  .dc-nav ul.main-menu {
    height: auto;
    padding-bottom: 10rem;
    z-index: 105;
  }

  #mclick {
    display: block;
    position: fixed;
    right: 14px;
    top: 14px;
    background-size: 60%;
    z-index: 1052;
  }

  #slide-over.toggle {
    display: block;
    z-index: 8;
  }

  #mclick a.open {
    background-image: url(../images/common/m-close.png);
  }

  .dc-nav {
    position: fixed;
    right: -70%;
    top: 0;
    width: 70%;
    min-height: 100vh;
    z-index: 1031;
    background-color: #1a4b8e;
    transition: all 0.3s;
    padding-top: 80px;
    overflow: scroll;
    
  }

  .dc-nav:before {
    /* under-m-language */
    content: "";
    width: 70%;
    height: 80px;
    right: -70%;
    position: fixed;
    background-color: #1a4b8e;
    z-index: 1031;
    transition: all 0.3s;
  }

  .dc-nav.open:before {
    content: "";
    display: block;
    top: 0;
    right: 0;

  }

  .dc-nav.open {
    right: 0;
    box-shadow: -5px 0 10px -5px rgba(0, 0, 0, 0.5);
    height: 100%;
    min-height: auto;
  }

  .dc-nav ul {
    list-style-type: none;
    width: 100%;
    height: auto;
    flex-direction: column;
  }

  .dc-nav ul.main-menu>li {
    float: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    height: auto;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0;
    margin: 0;
    text-align: left;
    background-color: transparent;
  }

  .dc-nav ul.main-menu>li:after {
    display: none;
  }

  .dc-nav .main-menu>li.hasSubmenu>a {
    background-color: rgba(0, 0, 0, 0.2);
  }

  .dc-nav .main-menu .submenu {
    display: block;
    position: relative;
    top: 0;
    left: 0;
    visibility: visible;
    opacity: 1;
  }

  .dc-nav .main-menu .submenu.open-submenu {
    top: 0;
  }

  .dc-nav>ul>li>a {
    display: block;
    width: 100%;
    padding-left: 1rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .dc-nav .main-menu .submenu>li {
    justify-content: flex-start;
    padding-left: 1rem;
  }

  .dc-nav .main-menu .submenu>li+li {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .dc-nav .main-menu .submenu#submenu1,
  .dc-nav .main-menu .submenu#submenu2,
  .dc-nav .main-menu .submenu#submenu3 {
    width: 100%;
    left: 0;
  }

  .dc-nav ul.main-menu>li:hover {
    background-color: transparent;
  }

  #menu_layer {
    display: none;
  }

body:has(.dc-nav.open) .m-language {
    position: fixed;
    align-items: center;
    display: flex !important;
    top: 30px;
    right: 75px;
    z-index: 1040;
  }

  .m-language>a {
    display: block;
    color: #153c72;
    font-size: 13px;
  }

  .m-language a:first-child {
    padding-right: 5px;
  }

  .dc-nav.open~.m-language>a {
    color: #fff;
  }

  #header .p-language {
    display: none;
  }
}

@keyframes open-submenu-eff {
  0% {
    height: 0px;
  }

  100% {
    height: 160px;
  }
}