header {
  display:block;
  width:100%;
  height:80px;
  position:fixed;
  top:0px;
  background:white;
  z-index:999;
}
header .hd_logo {
  display:inline-block;
  height:80px;
  margin-left:15px;
  position:relative;
}
header .hd_logo img {
  display:inline-block;
  height:80px;
  width:auto;
}
header .mb_abot {
  display:none;
}
header .nav {
  display:block;
  position:absolute;
  right:15px;
  top:0px;
  height:80px;
  font-size: 1rem;
}
header .nav .ab_logo_pc {
  height:80px;
  width:auto;
}
header .nav li {
  display:inline-block;
  vertical-align:top;
  position:relative;
  height:80px;
  padding:0px 15px;
  overflow:visible;
}
header .nav li a {
  display:block;
  font-size:16px;
  line-height:80px;
  text-align:center;
  font-family: '微軟正黑體', 'Microsoft Jhenghei', sans-serif;
  font-weight: bold;
  color:#004097;
  text-decoration:none;
}
header .nav .sub {
  display:block;
  position:absolute;
  top:80px;
  left:0;
  padding:15px;
  background:white;
}
header .nav .sub li {
  height:40px;
  padding:0px 15px;
}
header .nav .sub a {
  display:block;
  min-width:68px;
  font-size:16px;
  text-align:left;
  color:black;
  line-height:40px;
}
header .nav .sub2 a {
  min-width:376px;
}
header .nav .arrow {
  display:none;
}
header #mbmnu {
  display:none;
}
@media screen and (max-width:1000px) {
  header {
    height:50px;
    background:white;
    width:100%;
  }
  header .nav {
    display:none;
    background:white;
    width:100vw;
    height:100vh;
    top:50px;
    right:0px;
    padding-top:25px;
  }
  header .nav li {
    display:block;
    width:100%;
    position:relative;
    padding:0px;
    height:auto;
  }
  header .nav li a {
    display:block;
    width:80%;
    margin:auto;
    font-size:18px;
    line-height:60px;
    text-align:left;
    border-bottom:1px solid #e9e9e9;
  }
  header .nav li:last-child {
    border-bottom:0px;
  }
  header .nav .sub {
    position:relative;
    top:0;
    left:0;
    transform:translate(0,0);
    padding:0px;
    width:100%;
  }
  header .nav .sub li {
    height:auto;
    padding:0px;
  }
  header .nav .sub a {
    height:auto;
    line-height:30px;
    border-bottom:0px;
  }
  header .nav .sub2 a {
    height:auto;
  }
  header .nav .sub a, header .nav .sub2 a {
    min-width:80%;
    margin:auto;
    padding:8px 0px;
  }
  header .hd_logo img {
    height:50px;
    width:auto;
  }
  header .mb_abot {
    display:block;
    position:absolute;
    top:13px;
    right:60px;
  }
  header .mb_abot img {
    height:25px;
    width:auto;
  }
  header .nav .ablogopc {
    display:none;
  }
  header .nav .arrow {
    width: 15px;
    height: 15px;
    display: inline-block;
    position: absolute;
    top:22px;
    right:10%;
  }
  header .nav .arrow span {
    top: 8px;
    position: absolute;
    width: 9px;
    height: 2px;
    background-color: #004097;
    display: inline-block;
    -webkit-transition: all 0.2s ease;
    transition: all 0.2s ease;
  }
  header .nav .arrow span:first-of-type {
    left: 0;
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
  }
  header .nav .arrow span:last-of-type {
    right: 0;
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }
  header .nav .arrow.active span:first-of-type {
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }
  header .nav .arrow.active span:last-of-type {
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
  }
  header #mbmnu {
    display:block;
    position:absolute;
    right:17px;
    top:13px;
    width:30px;
    height:25px;
  }
  header #mbmnu span {
    display:block;
    width:30px;
    height:3px;
    background:#004097;
  }
  header #mbmnu span:first-child {
    position:absolute; top:2px;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    -moz-transition: .25s ease-in-out;
    -o-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
  }
  header #mbmnu span:nth-child(2) {
    position:absolute; top:11px;
    -webkit-transition: .5s ease-in-out;
    -moz-transition: .5s ease-in-out;
    -o-transition: .5s ease-in-out;
    transition: .5s ease-in-out;
  }
  header #mbmnu span:nth-child(3){
    position:absolute;
    top:20px;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    -moz-transition: .25s ease-in-out;
    -o-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
  }
  header #mbmnu.open span:first-child {
    top:13px; -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
  }
  header #mbmnu.open span:nth-child(2) {
    display:none;
  }
  header #mbmnu.open span:nth-child(3) {
    top:13px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }
}