/* 初始化 */
*{
    padding: 0;
    margin: 0;
}
body{
    min-width: 1200px; 
    color: #333;
    font-family: 
    "Microsoft YaHei",
    "黑体",
    "宋体",sans-serif;
}
.all{
    max-width: 1920px;
    margin: 0 auto;
}

ul,ol{list-style-type:none;} 
a{text-decoration:none;}
img {
    border: none;
    vertical-align: middle;
}
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    font-size: 0;
    clear: both;
    visibility: hidden;
    }
    .clearfix {
    zoom: 1;
    }
.inline{
    display: inline;
}
.inline-block{
    display: inline-block;
}
.fl{
    float: left
}

.fr{
    float: right
}
.wth1200{
    width: 1200px;
    margin: 0 auto;
}

.nav_wrap{
    width: 100%;
    height: 60px;
    overflow: hidden;
    background-color: #444444;
    color: #ffffff;
    box-shadow: 1px 2px 8px 0px rgba(36, 45, 57, 0.19);
}
.nav{
    width: 1200px;
    height: 60px;
    line-height: 60px;
    margin: 0px auto;
    /* overflow: hidden; */
    box-sizing: border-box;
}
.nav .head_logo{
    float: left;
    margin-right: 30px;
}
.nav .head_logo img{
    height: 30px;
    margin-bottom: 2px;
}
.head_nav{
    float: left;
}
.head_nav a{
    display: inline-block;
    margin: 0 15px;
    /*color: #666666;*/
    color: #ffffff;
}
.head_nav a:hover{
    color: #4197ea;
}
.nav .login_wrap{
    float: right;
}
.login_wrap a{
    display: inline-block;
    margin: 0 10px;
    /*color: #666666;*/
    color: #ffffff;
}
.login_wrap a:hover{
    color: #4197ea;
}
/* 页面样式 */
.banner{
    width: 100%;
    text-align: center;
    margin-top:-2px;
    overflow: hidden;
}
.banner img{
    width: 100%;
    max-width: 1903px;
}
.list1{
    padding-top: 80px;
    padding-bottom: 40px;
    background: #f6f9f9;
}
.title{
    font-size:32px;
    color: #333333;
    text-align: center;
}
.title_line{
    text-align: center;
    height: 2px;
    font-size: 0;
    margin-top: 20px;
}
.title_line span{
    width: 80px;
	height: 2px;
    display: inline-block;
	background-color: #001c77;
}
.list1_cont{
    width: 1200px;
    margin: 60px auto 0px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.list1_cont .item{
    width: 584px;
    margin-bottom: 40px;
    box-shadow: 0px 10px 0px #e5e8eb ;
}
.title span{
    color: #000056;
}
.item_img_wrap{
    position: relative;
    
}
.item_img_wrap .text{
    position: absolute;
    bottom: 0px;
    width: 100%;
    height: 64px;
    line-height: 64px;
    color: #ffffff;
    font-size: 20px;
    text-align: center;
    font-weight: bold;
    letter-spacing: 1px;
}
.list1_cont .dec{
    box-sizing: border-box;
    padding: 30px 25px;
    background: #ffffff;
    height: 270px;
    position: relative;
}
.list1_cont .dec h4{
    font-size: 18px;
	line-height: 28px;
	letter-spacing: 0px;
	color: #000057;
}
.list1_cont .dec p{
    font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 22px;
	letter-spacing: 0px;
	color: #333333;
    margin-top: 30px;
    margin-bottom: 30px;
}
.list1_cont .dec .data{
    font-size: 15px;
	line-height: 21px;
	letter-spacing: 0px;
	color: #fe6f46;
    text-align: justify;
    position: absolute;
    bottom: 30px;
    left: 25px;
}
.list{
    padding-top: 60px;
}
.list_dec{
    font-size: 18px;
	letter-spacing: 0px;
	color: #333333;
    text-align: center;
    margin-top: 18px;
}
.class_list{
    width: 1200px;
    margin: 40px auto 10px;
    display: flex;
    flex-wrap: wrap;
}
.class_item{
    width: 205px;
	height: 134px;
    display: block;
    margin-right: 43px;
    margin-bottom: 40px;
    overflow: hidden;
	background-color: #bec6cb;
}
.class_item:nth-child(5n){
    margin-right: 0px;
}
.class_item img{
    width: 100%;
    height: 100%;
}
.l_title{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}
.l_line{
    display: inline-block;
    width: 100px;
    height: 1px;
    background: linear-gradient(to left,#000057,rgb(67, 46, 252),#fff);
}
.r_line{
    display: inline-block;
    width: 100px;
    height: 1px;
    background: linear-gradient(to right,#000057,rgb(67, 46, 252),#fff);
}
.l_title_text{
    display: inline-block;
    margin: 0 10px;
    font-size: 20px;
	color: #0c1064;
    border-radius: 23px;
	border: solid 1px #000057;
    padding: 6px 6px;
    vertical-align: middle;
}
.l_title_text span{
display: inline-block;
   width: 4px;
   height: 4px;
   border-radius: 50%;
   background: #0c1064;
   vertical-align: middle;
}
.l_title_text .l_dot{
    margin-right: 20px;
    margin-left: 4px;
}
.l_title_text .r_dot{
    margin-left: 20px;
    margin-right: 4px;
}

.list2{
    width: 100%;
    height: 512px;
    background: url('https://www.nsrjlb.com/pub/new/2021hsqj/class01.png') no-repeat center;
}