@charset"utf-8";
body,ul,p,h1,h2,h3,h4,dl,dd,form,input,textarea,select{ padding:0; margin:0; font-family:"Microsoft Yahei", Arial, Helvetica, sans-serif; }
li { list-style:none; }
img { border:none; }
a { text-decoration:none; }
a:hover { text-decoration:none; }

body{background-color:#f1f1f1;}

#head_banner{
	width:auto;
	height:1106px;
	margin-left:auto;
	margin-right:auto;
	background-image:url("../images/head_banner-1.png")/*tpa=http://www.ldzero.com/template/pc/images/head_banner.png*/;
}

#head_banner_feedback{
	width:auto;
	height:auto;
	margin-left:auto;
	margin-right:auto;

}

#head_banner_news{
	width:auto;
	height:auto;
	margin-left:auto;
	margin-right:auto;

}

.head_top{
	width:auto;
	height:110px;
	margin-left:auto;
	margin-right:auto;
	background-image:url("../images/head_top-1.png")/*tpa=http://www.ldzero.com/template/pc/images/head_top.png*/;
}

.head_top_box{
	width:1200px;
	height:68px;
	margin-left:auto;
	margin-right:auto;
	position: relative;
	top:21px;
}

.head_top_logo{
	width:190px;
	height:68px;
	float: left;
	background-image:url("../images/head_logo-1.png")/*tpa=http://www.ldzero.com/template/pc/images/head_logo.png*/;
}

.head_top_nav{
	width:816px;
	height:68px;
	float: right;
}

.head_top_nav li{
	width:90px;
	height:20px;
	float: left;
	position: relative;
	top:20px;
	margin-left:46px;
}

.head_top_nav li a{
	font-size:20px;
	color:#FFF;
}

.head_top_nav .hot{
	font-size:20px;
	color:#e69800;
}



.head_top_nav li a:hover{
	font-size:20px;
	color:#e69800;
}

.head_banner_box{
	width:1200px;
	height:440px;
	margin-left:auto;
	margin-right:auto;
	position: relative;
	top:240px;
}

.head_banner_video{
	width:460px;
	height:328px;
	float: left;
	margin-left:26px;
	position: relative;
	top:56px;
}

.head_banner_right{
	width:406px;
	height:290px;
	float:right;
	margin-right:26px;
	position: relative;
	top:75px;
}

.head_banner_right_title{
	width:406px;
	height:56px;
	background-image:url("../images/head_banner_title-1.png")/*tpa=http://www.ldzero.com/template/pc/images/head_banner_title.png*/;
}

.head_banner_right_info{
	width:406px;
	height:auto;
	margin-top:28px;

}

.head_banner_right_info li{
	margin-top:10px;
}

.head_banner_right_info li a{
	color:#FFF;
	font-size:20px;
}

.head_banner_right_info_button{
	width:406px;
	height:80px;
	margin-top:28px;
}

.head_banner_right_info_button .buy{
	width:190px;
	height:80px;
	float: left;
	margin-top:0px;
	background-image:url("../images/buy-1.png")/*tpa=http://www.ldzero.com/template/pc/images/buy.png*/;
}
.head_banner_right_info_button .down{
	width:190px;
	height:80px;
	float: right;
	margin-top:0px;
	background-image:url("../images/down-1.png")/*tpa=http://www.ldzero.com/template/pc/images/down.png*/;
}

.head_banner_right_info_button .buy:hover{
	background-image:url("../images/buy_hover-1.png")/*tpa=http://www.ldzero.com/template/pc/images/buy_hover.png*/;
}

.head_banner_right_info_button .down:hover{
	background-image:url("../images/down_hover-1.png")/*tpa=http://www.ldzero.com/template/pc/images/down_hover.png*/;
}
/*ͷ����������ͷͼ�������,����Ϊ�в����ܽ�����ʽ*/

#function{
	width:1200px;
	height:auto;
	margin-left:auto;
	margin-right:auto;
}

.function_title{
	width:638px;
	height:60px;
	margin-left:auto;
	margin-right:auto;
	position: relative;
	top:10px;
	background-image:url("../images/function_title-1.png")/*tpa=http://www.ldzero.com/template/pc/images/function_title.png*/;	
}

.function_1{
	width:1200px;
	height:338px;
	margin-left:auto;
	margin-right:auto;
	margin-top:60px;
}

.function1_txt{
	width:718px;
	height:auto;
	float: left;
	margin-left:36px;
}

.function1_img{
	width:434px;
	height:338px;
	float: right;
	background-image:url("../images/function1_img-1.png")/*tpa=http://www.ldzero.com/template/pc/images/function1_img.png*/;
}

.function1_txt h1{
	font-size:30px;
	margin-top:20px;
}

.function1_txt h2{
	font-size:20px;
	margin-top:12px;
}

.function1_txt li{
height:60px;
}
/*�ڶ�����*/
.function_2{
	width:1200px;
	height:338px;
	margin-left:auto;
	margin-right:auto;
}
.function2_txt{
	width:718px;
	height:auto;
	float: right;
	margin-left:36px;
}

.function2_img{
	width:434px;
	height:338px;
	float: left;
	background-image:url("../images/function2_img-1.png")/*tpa=http://www.ldzero.com/template/pc/images/function2_img.png*/;
}

.function2_txt h1{
	font-size:30px;
	margin-top:20px;
}

.function2_txt h2{
	font-size:20px;
	margin-top:12px;
}

.function2_txt li{
height:60px;
}
/*��������*/
.function_3{
	width:1200px;
	height:338px;
	margin-left:auto;
	margin-right:auto;
}

.function3_txt{
	width:680px;
	height:auto;
	float: left;
	margin-left:36px;
}

.function3_img{
	width:466px;
	height:338px;
	float: right;
	background-image:url("../images/function3_img-1.png")/*tpa=http://www.ldzero.com/template/pc/images/function3_img.png*/;
}

.function3_txt h1{
	font-size:30px;
	margin-top:20px;
}

.function3_txt h2{
	font-size:20px;
	margin-top:12px;
}

.function3_txt li{
height:60px;
}

/*�в����ܽ������,����Ϊ�в�ʹ�ý̳���ʽ*/

#course{
	width:1200px;
	height:auto;
	margin-left:auto;
	margin-right:auto;
}

.course_title{
	width:638px;
	height:60px;
	margin-left:auto;
	margin-right:auto;
	position: relative;
	top:20px;
	background-image:url("../images/course_title-1.png")/*tpa=http://www.ldzero.com/template/pc/images/course_title.png*/;	
}

.course1{
	width:1200px;
	height:400px;;
	margin-left:auto;
	margin-right:auto;
	margin-top:80px;
}

.course1_txt{
	width:500px;
	height:400px;
	float: left;
	margin-left:14px;
}

.course1_txt h1{
	font-size:30px;
	margin-top:8px;
}

.course1_txt h2{
	font-size:16px;
	margin-top:8px;
}

.course1_video{
	width:620px;
	height:400px;
	float: right;
	margin-right:14px;
}


#footer{
	width:auto;
	height:462px;
	background-image:url(../images/footer.png);	
}

.footer_box{
	width:1200px;
	height:200px;
	position: relative;
	top:220px;
	margin-left:auto;
	margin-right:auto;
}

.footer_title{
	width:200px;
	height:48px;
	background-image:url("../images/footer_title-1.png")/*tpa=http://www.ldzero.com/template/pc/images/footer_title.png*/;	
}

.footer_txt p{
	font-size:20px;
	margin-top:14px;
	color:#5e5e5e;
}

/*�����￪ʼ�Ƿ���ҳ�����ʽ*/

.feedback_kefu{
	width:1200px;
	height:64px;
	margin-left:auto;
	margin-right:auto;
	margin-top:40px;
}

.keft_left{
	width:64px;
	height:64px;
	float:left;
	background-image:url("../images/keft_left-1.png")/*tpa=http://www.ldzero.com/template/pc/images/keft_left.png*/;	
}

.keft_right{
	width:232px;
	height:60px;
	float:right;
	border-style: solid;
	border-width: 2px;
	border-color: #131313;
	background-image:url("../images/keft_right-1.png")/*tpa=http://www.ldzero.com/template/pc/images/keft_right.png*/;
}

.keft_right li{
	font-size:35px;
	color:#131313;
	padding-left:64px;
	padding-top:6px;
	letter-spacing: 3px;

}

.feedback_bigtitle{
	width:1200px;
	height:74px;
	margin-left:auto;
	margin-right:auto;
	margin-top:26px;

}

.feedback_bigtitle li{
	font-size:36px;
	font-weight:bold;
	color:#131313;
}

.feedback_bigtitle a{
	font-size:18px;
	letter-spacing: 1px;
	color:#131313;
}

.feedback_data{
	width:1200px;
	height:auto;
	margin-left:auto;
	margin-right:auto;

}

.s_title{
	width:1200px;
	color:#131313;
	font-size:20px;
	margin-top:20px;

}

.feedback_content{
	width:1198px;
	height:500px;
	margin-top:8px;
	border:1px solid #535353;
}

.feedback_content textarea{
	width:1198px;
	height:500px;
	line-height:25px;
	font-size:16px;
	text-indent:10px;
	border: none;
	resize: none;
	background-color:#f1f1f1;

}

.feedback_category{
	width:1198px;
	height:54px;
	margin-top:8px;
	border:1px solid #535353;
}

.feedback_category select{
	width:1198px;
	height:54px;
	font-size:16px;
	border: none;
	resize: none;
	text-indent:10px;
	background-color:#f1f1f1;
	color:#131313;
}

.feedback_three{
	width:1200px;
	height:54px;
	margin-top:8px;

}

.feedback_name{
	width:236px;
	height:54px;
	color:#131313;
	border: none;
	resize: none;
	float:left;
}
.feedback_name input{
	width:236px;
	height:54px;
	font-size:16px;
	border:1px solid #535353;
	text-indent:10px;
	background-color:#f1f1f1;
}

.feedback_number{
	width:466px;
	height:54px;
	color:#131313;
	border: none;
	resize: none;
	float:left;
	margin-left:16px;
}

.feedback_number input{
	width:466px;
	height:54px;
	font-size:16px;
	border:1px solid #535353;
	text-indent:10px;
	background-color:#f1f1f1;
}

.feedback_mail{
	width:466px;
	height:54px;
	color:#131313;
	border: none;
	resize: none;
	float:left;
	margin-left:16px;
}

.feedback_mail input{
	width:466px;
	height:54px;
	font-size:16px;
	border:1px solid #535353;
	text-indent:10px;
	background-color:#f1f1f1;
}

.button_big{
	width:1200px;
	height:70px;
	margin-left:auto;
	margin-right:auto;
	margin-top:65px;

}

.button_left{
	width:740px;
	height:70px;
	margin-left:35px;
	float:left;
}

.button_left button{
	width:740px;
	height:70px;
	font-size:28px;
	background-color:#3598db;
	border: none;
	color: #fff;
	cursor:pointer;/*��꾭����С��ָ��*/
	letter-spacing: 1px;

}

.button_right{
	width:366px;
	height:70px;
	margin-left:16px;
	float:left;
}

.button_right button{
	width:366px;
	height:70px;
	color: #fff;
	border: none;
	font-size:28px;
	letter-spacing: 1px;
	background-color:#b8c5ce;
	cursor:pointer;/*��꾭����С��ָ��*/
	
}

/*以下为新闻页面样式*/

.news_container{
	width: 1200px;
	height: 380px;
	margin: 0 auto;
	margin-top: 40px;
}

.container{
	width: 1200px;
	height: 380px;
	border-radius: 0.5rem!important;
	overflow: hidden;
	position:relative;
}

.container img{
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 0.5rem!important;
	/**filter:blur(2px);**/
	position:absolute;
}

.container p{
	width: 80%;
	position:absolute;
	padding-top: 340px;
	padding-left: 20px;
	font-size: 20px;
	color: #FFF;
	text-shadow: 2px 2px rgba(0, 0, 0, 0.2);
	font-weight: bold;
	white-space:nowrap;
	overflow:hidden;
	text-overflow:ellipsis;
}

.news_body{
	width: 1200px;
	height: 1300px;
	margin: 0 auto;
	margin-top: 30px;
}

.news_list{
	width: 810px;
	height: auto;
	float: left;
}
.news_list .news_nav{
	width: 56px;
	height: 44px;
	color: #e69800;
    font-size: 28px;
	font-weight: bold;
    border-bottom: 4px solid #e69800;
}

.news_list .media{
	width: 810px;
	height: 180px;
	margin-top: 20px;
	border-bottom: 1px solid #e4e7ed;
}

.news_list .media_image{
	width: 260px;
	height: 160px;
	float: left;
}

.news_list .media_image img{
	width: 240px;
	height: 160px;
	float: left;
	border-radius: 0.5rem;
}

.news_list .media_body{
	width: 550px;
	height: 160px;
	float: right;
}

.news_list .media_body .media_body_title{
	width: 98%;
	font-size: 22px;
	color: #000;
	white-space:nowrap;
	overflow:hidden;
	text-overflow:ellipsis;
}

.news_list .media_body .media_body_title a{
	color: #000;
}

.news_list .media_body .media_body_title a:hover{
	color: #e69800;
}

.news_list .media_body .media_body_description{
	font-size: 16px;
	height: 84px;
	margin-top: 12px;
	margin-bottom: 12px;
	color: #757575;
	overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 4;
}

.news_list .media_body .media_body_info{
	font-size: 14px;
	color: #757575;
}

.news_list .media_body .media_body_info span{
	margin-left: 6px;
	margin-right: 30px;
}

.hot_list{
	width: 340px;
	height: auto;
	float: right;
}

.hot_list .news_nav{
	width: 70%;
	height: 44px;
	color: #000000;
    font-size: 28px;
	font-weight: bold;
}

.hot_list .media{
	width: 340px;
	height: 90px;
	margin-top: 20px;
	border-bottom: 1px solid #e4e7ed;
}

.hot_list .media_image{
	width: 120px;
	height: 72px;
	float: left;
}

.hot_list .media_image img{
	width: 110px;
	height: 72px;
	float: left;
	border-radius: 0.2rem;
}

.hot_list .media_body{
	width: 220px;
	height: 66px;
	float: right;
}

.hot_list .media_body .media_body_title{
	width: 100%;
	height: 42px;
	font-size: 16px;
	color: #000;
	overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 2;
	margin-top: 2px;
	margin-bottom: 6px;
}

.hot_list .media_body .media_body_title a{
	color: #000;
}

.hot_list .media_body .media_body_title a:hover{
	color: #e69800;
}

.hot_list .media_body .media_body_info{
	font-size: 14px;
	color: #757575;
}

.page{
	width: 600px;
	height: 40px;
	margin: 0 auto;
    text-align: center;
}

.page li{
	width: auto;
	height: 40px;
	float: left;
	padding: 0px 16px 0px 16px;
	line-height: 40px;
	background-color: #dbdbdb;
	margin-right: 10px;
	border-radius: 0.2rem;
}

.page li a{
	font-size: 14px;
	color: #333333;
}
.page li:hover{
	background-color: #e69800;
}

.page .active{
	background-color: #e69800;
}


.news_ad{
	width: 1200px;
	height: 120px;
	margin: 0 auto;
	margin-top: 30px;
}

.news_ad img{
	border-radius: 0.4rem;
}

.breadcrumb{
	width: 1200px;
	margin: 0 auto;
	margin-top: 20px;
	font-size: 14px;
	color: #666;
}

.breadcrumb a{
	font-size: 14px;
	color: #666;
}

.breadcrumb a:hover{
	color: #e69800;
}

.content_wrap{
	display: flex;
	width: 1200px;
	margin: 0 auto;
	margin-top: 20px;
}

.content{
	width: 1200px;
	height: auto;
	margin-right: 50px;
}

.content_title{
	width: 1200px;
	border-bottom: 1px solid #e4e7ed;
	padding-bottom: 24px;
}

.content_title h1{
	font-size: 32px;
    line-height: 40px;
    font-weight: 600;
    margin-bottom: 14px;
}

.content_title i{
	color: #666;
}

.content_title span{
	margin-left: 6px;
	margin-right: 20px;
	font-size: 14px;
	color: #666;
}

.content_body{
	border-bottom: 1px solid #e4e7ed;
	padding-top: 24px;
	padding-bottom: 24px;
}

.content_body img{
	max-width: 810px;
}

.pre{
	margin-top: 20px;
}

.pre li{
	margin-top: 10px;
}

.pre li a{
	font-size: 16px;
	color: #333;
}

.pre li a:hover{
	color: #e69800;
}