/* CSS Document */

#main_back {
	width: 1200px;
	height: 824px;
	position: relative;
	margin-bottom:-30px;
}
#main_banner_knowledge {
	position: absolute;
	left: 0px;
	top: 0px;
	width:100%;
}
#main_banner_knowledge h1 {
	font-size: 50px;
	line-height: 60px;
	color:#ffe6ad;
	letter-spacing:13px;
	margin:45px 0 0 203px;
	text-shadow: 4px 4px 6px #541704;
}
#main_banner_knowledge h2 {
	letter-spacing:5px;
	font-size: 32px;
	color:#fff;
	margin:72px 0 12px 163px;
	line-height:32px;
	text-shadow: 4px 4px 6px #214d3e;
}
#main_banner_knowledge p {
	color:#fff;
	margin:9px 163px;
	text-align:left;
	line-height:20px;
}

/*menu*/
#main_banner_knowledge ul {
	margin: 0 0 0 123px;
	list-style: none;
	width:500px;
}
#main_banner_knowledge li {
	margin: 10px 30px 10px 0;
	width:180px;
	float: left;
}
#main_banner_knowledge li a {
	height: 42px;
	padding:10px 0 10px 50px;
	display: block;
	font-size: 15px;
	font-weight: bold;
	color: #fff;
	border-style:dashed;
	border-width:2px;
	border-color: #ffffd9;
}
#main_banner_knowledge li a:hover {
	text-decoration: none;
	border-color: #21f9ff;
	color: #ffffd9;
}
.audiology {
	margin-bottom: 60px;
}
.audiology ul li {
	width: 45.2%;
	padding-bottom: 45.2%;
	height: 0;
	margin: 2%;
	float: left;
	display: inline-block;
	background-size: 100%;
	border: 1px #ccc solid;
}
.audiology ul li.i-01 {
	background-image: url("../images/pic/knowledge_link_01.jpg");
}
.audiology ul li.i-02 {
	background-image: url("../images/pic/knowledge_link_02.jpg");
}
.audiology ul li.i-03 {
	background-image: url("../images/pic/knowledge_link_03.jpg");
}
.audiology ul li.i-04 {
	background-image: url("../images/pic/knowledge_link_04.jpg");
}

#children_banner {
	width: 1200px;
	height: 540px;
}
#children_banner.children_banner_1 {
	background-image: url(../images/banner/children_banner_1.jpg);
}
#children_banner.children_banner_2 {
	background-image: url(../images/banner/children_banner_2.jpg);
}
#children_banner.children_banner_3 {
	background-image: url(../images/banner/children_banner_3.jpg);
}
#children_banner.children_banner_4 {
	background-image: url(../images/banner/children_banner_4.jpg);
}
#children_banner.children_banner_5 {
	background-image: url(../images/banner/children_banner_5.jpg);
}
#children_banner_title {
	margin-top: 150px;
	margin-left: 110px;
	float: left;
	text-align: center;
}
#children_banner_title h1 {
	margin-bottom: 20px;
	padding: 0px;
	font: 50px bold;
	color: #fff;
	font-family:"Century Gothic", "华文细黑", "Arial Unicode MS", Arial;
}
#children_banner_title h2 {
	margin: 0px 0px -10px 20px;
	padding: 0px;
	font: 20px bold;
	font-family:"Century Gothic", "华文细黑", "Arial Unicode MS", Arial;
}
/*menu*/
.abstract {
	width: 170px;
	height: 290px;
	position: absolute;
	top: -300px;
	float: left;
	display: none;
	border-radius: 6px;
	-moz-border-radius: 6px;
	-webkit-border-radius: 6px;
	box-shadow: 2px 4px 10px rgba(0,0,0,0.5);
}
.abstract h1 {
	margin: 25px 0;
	text-align: center;
	text-indent: 0;
	font: 22px bold;
	color: #fff;
	font-family: "YouYuan", "Microsoft Yahei", "SimHei", "STXihei", Arial;
}
.abstract h2 {
	margin: -10px 8px 0px 12px;
	text-indent: 0;
	font: 14px bold;
	line-height: 28px;
	font-family: "Microsoft Yahei", "SimHei", "STXihei", Arial;
}
.children_menu ul {
	margin: 0;
	padding: 460px 0 0 20px;
	list-style: none;
}
.children_menu li {
	width: 170px;
	height:50px;
	float: left;
	margin-left: 24px;
	position: relative;
	border-radius: 4px;
	-moz-border-radius: 4px;
	-webkit-border-radius: 4px;
	box-shadow: 2px 4px 10px rgba(0,0,0,0.5);
}
.children_menu li a {
	padding-top: 15px;
	height: 27px;
	text-align: center;
	display: block;
	font-size: 16px;
	font-weight: bold;
	color: #ffffff;
	font-family: "Microsoft Yahei", "SimHei", "STXihei", Arial;
}
.children_menu li a:hover {
	text-decoration: none;
}
.children_menu li:hover .abstract {
	display: block;
}
.children_menu .i-01 {
	background-color: #d80055;
}
.children_menu .i-02 {
	background-color: #f68145;
}
.children_menu .i-03 {
	background-color: #8ca707;
}
.children_menu .i-04 {
	background-color: #97d700;
}
.children_menu .i-05 {
	background-color: #00966c;
}
#adults_banner {
	width: 1200px;
	height: 440px;
}
#adults_banner.adults_banner_1 {
	background-image: url(../images/banner/adults_banner_1.jpg);
}
#adults_banner.adults_banner_2 {
	background-image: url(../images/banner/adults_banner_2.jpg);
}
#adults_banner.adults_banner_3 {
	background-image: url(../images/banner/adults_banner_3.jpg);
}
#adults_banner.adults_banner_4 {
	background-image: url(../images/banner/adults_banner_4.jpg);
}
#adults_banner.adults_banner_5 {
	background-image: url(../images/banner/adults_banner_5.jpg);
}
#adults_banner.adults_banner_6 {
	background-image: url(../images/banner/adults_banner_6.jpg);
}
#adults_banner_title {
	margin-top: 155px;
	margin-left: 50px;
	float: left;
	padding: 0px;
	width: 400px;
	text-shadow: 2px 2px 4px #666;
}
#adults_banner_title h1 {
	margin-bottom: 15px;
	font: 46px bold;
	text-align: right;
	color: #fff;
	font-family:"Century Gothic", "华文细黑", "Arial Unicode MS", Arial;
}
#adults_banner_title h2 {
	font: 20px bold;
	text-align: right;
	font-family:"Century Gothic", "华文细黑", "Arial Unicode MS", Arial;
}
/*menu*/
.adults_menu ul {
	margin: 0 0 0 3px;
	float: left;
	padding: 15px 0 0 25px;
	list-style: none;
}
.adults_menu li {
	margin-top: 12px;
}
.adults_menu li a {
	height: 0px;
	border-width: 0px 21px 48px 0px;
	border-style: none solid solid;
	border-color: transparent transparent #979797;
	line-height: 48px;
	text-align: center;
	display: block;
	font-size: 15px;
	font-weight: bold;
	color: #ffffff;
}
.adults_menu li.on a {
	border-color: transparent transparent #7fdbe2;
}
.adults_menu li a:hover {
	text-decoration: none;
	border-color: transparent transparent #33c5d1;
}
.adults_menu .i-01 {
	width: 150px;
}
.adults_menu .i-02 {
	width: 175px;
}
.adults_menu .i-03 {
	width: 200px;
}
.adults_menu .i-04 {
	width: 225px;
}
.adults_menu .i-05 {
	width: 250px;
}
.adults_menu .i-06 {
	width: 275px;
}
#usage_banner {
	width: 1200px;
	height: 520px;
	background-image: url(../images/banner/usage_banner.jpg);
}
#usage_banner_title {
	margin-top: 130px;
	float: left;
	width: 560px;
	text-shadow: 2px 2px 4px #666;
}
#usage_banner_title h1 {
	margin-bottom: 5px;
	font: 50px bold;
	text-align: center;
	color: #fff;
	font-family:"Century Gothic", "华文细黑", "Arial Unicode MS", Arial;
}
#usage_banner_title h2 {
	font: 20px bold;
	text-align: center;
	font-family:"Century Gothic", "华文细黑", "Arial Unicode MS", Arial;
}
#knowledge_mainconcent {
	width: 1200px;
	margin: 0px;
	padding-bottom: 50px;
	background-color: rgb(255, 255, 255);
	letter-spacing: 1px;
}
.knowledge_section {
	width: 1150px;
	margin: 0 25px;
	border-bottom: dashed 1px #ccc;
}
.knowledge_section h1 {
	font-size: 36px;
	line-height: 70px;
	margin-bottom:30px;
}
.knowledge_section h2 {
	font-size: 20px;
	line-height: 36px;
	color: #d6b878;
}
.knowledge_section h3 {
	font-size: 16px;
	color: #d6b878;
}
.knowledge_section h4 {
	margin: 24px 0px 0px 0px;
	padding: 0px;
	text-indent: 0px;
	font-size: 20px;
	font-weight: bold;
	color: #111;
}
.knowledge_section p {
	color: #5a5a5a;
	line-height: 25px;
}
.knowledge_section_center {
	width: 100%;
	margin: 20px 0;
}
.knowledge_section_center_floatleft {
	float: left;
	width: 470px;
}
.knowledge_section_center_floatright {
	float: right;
	width: 480px;
}
.knowledge_section_left {
	float: left;
	width: 540px;
	margin-bottom:30px;
}
.knowledge_section_right {
	float: right;
	width: 540px;
	margin-bottom:30px;
}