#header{position:relative;width:100%;/* border-bottom:1px solid #ebebeb; */}
#header .wrap{position:relative;width:100%;max-width: 1400px;margin: 0px auto;min-height: 120px;background: #ffffff;}
#header.on{ position:fixed; z-index:9998; }
#header .wrap .logo{position:absolute;top: 10px;left: 15px;}
#header .wrap > #mobileMenu{display:none;position:absolute;top: 35%;right: 10px;width: 35px;height: 30px;font-size: 25px;color: #356684;padding: 6px 8px;border: 2px solid #356684;cursor:pointer;border-radius: 5px;}

/* ACRA2026 Home 按鈕樣式 (電腦版) - 純文字連結 */
.acra-home-btn {
  position: absolute;
  top: 25px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  background-color: transparent;
  color: #356684;
  text-decoration: none;
  border: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  z-index: 10;
}

.acra-home-btn:hover {
  color: #2a5268;
  text-decoration: none;
}

.acra-home-btn i {
  font-size: 16px;
}

.acra-home-btn span {
  letter-spacing: 0.5px;
}


#header nav{position:absolute;top: 25px;right: 20px;width: 450px;text-align: right;padding:0;margin:0;list-style:none;}
#header nav input[type='text']{box-sizing:border-box;font-size: 15px;/* border: 1px solid #c4c4c4; */padding: 5px 15px 5px 15px;letter-spacing:1px;color:#666;outline:0;width: 320px;background: #ffffff;transition: all 0.5s ease;}
#header nav span{ position:relative; }
#header nav span div{color: #dcaa81;font-size: 17px;position:absolute;top: 0px;left: 10px;cursor: pointer;}

#header > ul{
   width: 100%;
   margin: 10px 0;
   max-width: 1400px;
   /* position:absolute; */
   left: 0;
   right: 0;
   margin-left: auto;
   margin-right: auto;
   margin-bottom: 0;
   padding: 0px 0px;
   bottom: 0px;
   list-style: none;
   background: #758390;
   display: flex;
   justify-content: center;
   /* border: 1px solid #e0e0e0; */
   border-radius: 25px;
   /* box-shadow: 3px 3px 5px rgb(38 38 102 / 10%); */
   /* -webkit-transition: width 0.2s ease-in-out; */
   -moz-transition: width 0.2s ease-in-out;
   -o-transition: width 0.2s ease-in-out;
   /* transition: width 0.2s ease-in-out; */
}
#header > ul > li{position:relative;float:left;font-size: 16px;padding: 0 1.3vw;/* border-left: 1px solid #ebebeb; */color: #ffffff;font-family: 'Noto Sans TC', sans-serif;transition: all 0.5s ease;}
#header > ul > li:last-child{/* border-right: 1px solid #ebebeb; */}
#header > ul > li:hover{  }
#header > ul > li > a{color: #ffffff;/* font-weight: bold; */letter-spacing: 1px;/* border-bottom:3px solid #ffffff; */text-decoration:none;display: inline-flex;align-items: center;padding: 15px 0vw 15px 0vw;/* border-right: 1px solid #ffffff; */}
#header > ul > li > a:before{content:"";display: inline-block;width: 6px;height: 6px;border-radius: 50%;background: #ffffff;margin-right: 8px;flex-shrink: 0;}
#header > ul > li > a:hover{ /*border-bottom:3px solid #90c31f;*/ color:#bfdae1; }
#header > ul > li > a:hover:before{ background: #bfdae1; }
#header > ul > li:before{/*content:url(../../images/header-icon-flower.png);padding-right:10px;vertical-align: -15%;*/}
#header > ul > li:hover:before{ -webkit-filter:contrast(2); -webkit-transition:.6s;-ms-transition:.6s;-moz-transition:.6s; }
#header > ul > li:last-child a{/* border:0; */}
#header > ul.on{width: 100%;position:fixed;background: #758390;max-width:none;border-bottom: 1px solid #cccccc;top: 0px;left: 0;z-index:9998;bottom:inherit;-webkit-border-radius: 0px;margin: 0;}
#header > ul > li ul {
    display: block;
    list-style: none;
    color: #fdf3f2;
    z-index: 99;
    padding: 0px;
    margin: 0;
    display: none;
    position: absolute;
    top: 46px;
    left: 50%; 
    transform: translateX(-50%); /* 使用 transform 來移動 */
    width: 220px;
    line-height: 25px;
    color: #4D4435;
    background: #ffffff;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

#header > ul > li:hover > ul {
    display: block;
}
#header > ul > li ul li{position:relative;font-weight:normal;padding: 10px 5px 10px 5px;text-align:center;border-bottom: 1px solid #ebebeb;}
#header > ul > li ul li:last-child{ border:0; }
#header > ul > li ul li a{color: #4D4435 !important;letter-spacing:1px;text-decoration:none;text-align:center;border-bottom:0 !important;padding: 0 5px;}
#header > ul > li ul li:hover{ background:#ebebeb;}
#header > ul > li ul li a:hover{ color:#DF941F; }

#header > ul > li > ul > li > ul{display:none;position:absolute;left: 330px;top: 0px;}
#header > ul > li > ul > li:hover ul{ display:block; }

#header > ul > li > ul > li > ul > li > ul{display:none !important;position:absolute;left: 200px;top: 0px;}
#header > ul > li > ul > li > ul > li:hover ul{ display:block !important; }



#mobileMenu {
	 width: 30px;
	 height: 25px;
	 position: absolute;
	 bottom:20px;
	 z-index: 999;
	 cursor: pointer
}
#mobileMenu span {
	 width: 15px;
	 height: 2px;
	 display: block;
	 background: #356684;
	 margin-top: 4px;
	 -webkit-transition: 0.7s cubic-bezier(0.18, 1, 0.21, 1);
	 -moz-transition: 0.7s cubic-bezier(0.18, 1, 0.21, 1);
	 -ms-transition: 0.7s cubic-bezier(0.18, 1, 0.21, 1);
	 -o-transition: 0.7s cubic-bezier(0.18, 1, 0.21, 1);
	 transition: 0.7s cubic-bezier(0.18, 1, 0.21, 1);
}
.mobileMenu_spac {
	background: #fff !important
}
#mobileMenu span:first-child {
	margin-top: 0;
}
#mobileMenu .top {
	 position: absolute;
	 top: 10px;
	 -webkit-transform: rotate(225deg);
	 -moz-transform: rotate(225deg);
	 transform: rotate(225deg)
}
#mobileMenu .bottom {
	 position: absolute;
	 top: 10px;
	 margin-top: 0 !important;
	 -webkit-transform: rotate(-225deg);
	 -moz-transform: rotate(-225deg);
	 transform: rotate(-225deg)
}
#mobileMenu .middle {
	opacity: 0
}

.header-nav-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 570px;
  position: absolute;
  top: 70px;
  right: 20px;
}

.header-nav-left {
  flex: 1;
}

.search-bar {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 1px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  width: 220px;
}

.search-bar input[type="text"] {
  flex: 1;
  border: none;
  padding: 7px 10px;
  font-size: 14px;
  outline: none;
  background: transparent;
}

.search-btn {
  background: #b3d3e6;
  border: none;
  width: 36px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.search-btn:hover {
  background: #7bb6d6;
}

.search-btn i {
  color: #337ca8;
  font-size: 16px;
}

.header-nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-nav-divider {
  display: block;
  width: 1px;
  height: 50px;
  background: #e0e0e0;
  flex-shrink: 0;
}

.header-icon-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #333;
  font-size: 16px;
}

.header-icon-btn img {
  /* width: 50px; */
  /* height: 50px; */
  margin-bottom: 6px;
}

.header-icon-btn div {
  margin-top: 2px;
  font-size: 16px;
  letter-spacing: 2px;
}

@media screen and (max-width : 1220px) {
	#header > ul{}
	#header .wrap .nav{ right:23px; }
	#header nav{ right:10px; }
}
@media screen and (max-width : 1024px) {
	#header > ul > li{ font-size:14px; }
}
@media screen and (max-width : 900px) {

	#header .wrap{min-height:inherit;border-bottom: 1px solid #ebebeb;}
	#header nav{ display:none; }
	#header .wrap > #mobileMenu{display: block;}
	
	#header .wrap .logo{position:inherit;padding: 10px 10px 10px 10px;max-width: 315px;}
	#header .wrap .nav{ display:none; top:35%; width:35px; right:50px; }
	#header .wrap .nav i{ display:none; }
	#header ul{ display:none; }
	#header .wrap .nav{ display:none; }
	
	/* 手機版隱藏 ACRA2026 Home 按鈕 */
	.acra-home-btn {
		display: none !important;
	}

}

/* -------------------------------------------------------------------------- */
/* 主選單的 Conference nav  */
/* -------------------------------------------------------------------------- */
.conference-nav {
	width: 100%;
	max-width: 1400px;
	margin: 0 auto;
	padding: 5px 16px 0px;
	box-sizing: border-box;
}
.conference-nav__inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: flex-start;
	gap: 20px;
}
.conference-nav__col {
	flex: 1 1 280px;
	max-width: 520px;
	min-width: 0;
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: stretch;
}
.conference-nav__pill {
	display: block;
	text-align: center;
	text-decoration: none;
	background: #5c6570;
	color: #ffffff;
	border-radius: 14px;
	padding: 14px 20px 16px;
	transition: background 0.25s ease, color 0.25s ease;
	font-family: 'Noto Sans TC', sans-serif;
}
.conference-nav__pill:hover {
	background: #4a525a;
	color: #ffffff;
}
.conference-nav__title {
	display: block;
	font-size: 17px;
	letter-spacing: 0.5px;
	text-decoration: underline;
	margin-bottom: 8px;
}
.conference-nav__tagline {
	display: block;
	font-size: 14px;
	color: #e8edf2;
	line-height: 1.45;
	text-decoration: none;
}

/* 子選單浮層：連結按鈕式排版（與主選單列表樣式分離） */
.conference-nav__dropdown {
	box-sizing: border-box;
	font-family: 'Noto Sans TC', sans-serif;
	padding: 0;
	overflow: hidden;
}
.conference-nav__menu {
	list-style: none;
	margin: 0;
	padding: 14px 14px 12px;
	display: flex;
	flex-direction: column;
	gap: 8px;
}
.conference-nav__menu li {
	margin: 0;
	padding: 0;
	border: 0;
}
.conference-nav__menu li a {
	display: block;
	box-sizing: border-box;
	width: 100%;
	padding: 11px 16px;
	font-size: 14px;
	font-weight: 500;
	letter-spacing: 0.4px;
	line-height: 1.35;
	text-align: center;
	text-decoration: none;
	color: #356684;
	background: #f2f6f9;
	border: 1px solid #d4dfe8;
	border-radius: 8px;
	transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.conference-nav__menu li a:hover {
	color: #ffffff;
	background: #356684;
	border-color: #2d5670;
	box-shadow: 0 2px 6px rgba(53, 102, 132, 0.25);
}
.conference-nav__menu li a:focus {
	outline: 2px solid #8eb4cc;
	outline-offset: 2px;
}

@media screen and (min-width: 901px) {
	.conference-nav__dropdown {
		display: none;
		position: absolute;
		left: 50%;
		transform: translateX(-50%);
		top: 100%;
		z-index: 120;
		min-width: 400px;
		max-width: 100vw;
		margin-top: 1px;
		background: #ffffff;
		box-shadow: 0 8px 24px rgba(30, 50, 70, 0.12), 0 2px 8px rgba(30, 50, 70, 0.06);
		border: 1px solid #e8edf1;
		border-radius: 12px;
	}
	.conference-nav__dropdown::before {
		content: '';
		position: absolute;
		left: 0;
		right: 0;
		top: -10px;
		height: 10px;
	}
	.conference-nav__col:hover,
	.conference-nav__col:focus-within {
		z-index: 130;
	}
	.conference-nav__col:hover .conference-nav__dropdown,
	.conference-nav__col:focus-within .conference-nav__dropdown {
		display: block;
	}
}

@media screen and (max-width : 900px) {
	/* 手機僅使用漢堡側邊選單，不顯示頭部研討會雙欄列 */
	.conference-nav {
		display: none !important;
	}
}

/* -------------------------------------------------------------------------- */
/* 手機側邊欄：研討會列（無子選單＝整塊連結；有子選單＝jq-submenu 點列展開，與全站一致） */
/* -------------------------------------------------------------------------- */
#ajax-sidenav > div.conference-sidenav-row {
	position: relative;
	box-sizing: border-box;
	display: block;
	width: 100%;
	overflow: hidden;
}
/* 僅 Conference Signup：整列一個連結 */
#ajax-sidenav > div.conference-sidenav-row:not(.conference-sidenav-row--fold) {
	padding-right: 25px !important;
	cursor: default;
}
/* Online Submission：整列可點以展開子選單（沿用 .jq-submenu 行為） */
#ajax-sidenav > div.jq-submenu.conference-sidenav-row.conference-sidenav-row--fold {
	padding-right: 44px !important;
	cursor: pointer;
}
#ajax-sidenav > div.conference-sidenav-row .conference-sidenav-link {
	display: block;
	width: 100%;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	text-decoration: none;
	color: #000000;
	cursor: pointer;
	-webkit-tap-highlight-color: rgba(53, 102, 132, 0.15);
}
#ajax-sidenav > div.conference-sidenav-row .conference-sidenav-title {
	display: block;
	font-size: 14px;
	line-height: 1.5;
	font-weight: normal;
	letter-spacing: 1px !important;
	color: #000000;
}
/* 覆寫 css_main #ajax-sidenav > div span 絕對定位 */
#ajax-sidenav > div.conference-sidenav-row .conference-sidenav-link span,
#ajax-sidenav > div.conference-sidenav-row--fold.jq-submenu > span.conference-sidenav-title {
	position: static !important;
	right: auto !important;
	top: auto !important;
	left: auto !important;
	padding: 0 !important;
	border-left: none !important;
	border-right: none !important;
	display: block !important;
	width: 100%;
	max-width: 100%;
	clear: both;
	box-sizing: border-box;
}
#ajax-sidenav > div.conference-sidenav-row--fold.jq-submenu > i {
	position: absolute;
	right: 15px;
	top: 17px;
	margin-top: 0;
}

/* 手機側邊欄次選單：整列可點（內距改由 a 撐滿，與 css_main 圓點樣式並存） */
#ajax-sidenav .submenu-nav > div:not(.jq-submenu) {
	padding: 0 !important;
	cursor: pointer;
}
#ajax-sidenav .submenu-nav > div:not(.jq-submenu) > a {
	display: block;
	box-sizing: border-box;
	width: 100%;
	padding: 18px 30px 18px 55px !important;
	font-size: 14px;
	line-height: 20px;
	color: #000000 !important;
	text-decoration: none;
}
#ajax-sidenav .submenu-nav.layer3 > div:not(.jq-submenu) > a {
	padding: 18px 10px 18px 80px !important;
}
#ajax-sidenav .submenu-nav > div.jq-submenu {
	padding: 0 !important;
}
#ajax-sidenav .submenu-nav > div.jq-submenu > a {
	display: block;
	box-sizing: border-box;
	width: 100%;
	padding: 18px 45px 18px 55px !important;
	font-size: 14px;
	line-height: 20px;
	color: #000000 !important;
	text-decoration: none;
}
#ajax-sidenav .submenu-nav.layer3 > div.jq-submenu > a {
	padding: 18px 45px 18px 80px !important;
}