body, h1, h2, h3, h4, h5, h6, p, dl, dt, dd, ul, ol, li, input, textarea, th, td {
    margin: 0;
    padding: 0;
    font-weight: normal;
}
body{
	/*font-family: "Hiragino Sans GB", "Microsoft Yahei", 微软雅黑, Arial, Simsun, sans-serif;
	font-family: 'Microsoft YaHei', '\5FAE \8F6F \96C5\91';*/
    /*font-family:"PingFang SC","Helvetica Neue",Helvetica,Arial,"Hiragino Sans GB","Heiti SC","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;*/
	background: #f5f5f5;
}
ul,li{
	list-style: none;
}
input, textarea {
    outline: none;
    font-family: 'Microsoft YaHei', '\5FAE \8F6F \96C5\91'; 
    font-size: 14px;
    color: #666;
}
a,a:hover{
	text-decoration-line: none;
	color: #555;
}
a:-webkit-any-link{
	text-decoration: none;
}
.highlight{
    color: red;
}
.container{
    width: 1200px;
    margin:0 auto;
}
.col-md-8{
    width: 780px;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.row{
    overflow: hidden;
}
.red{
	border:1px red solid;
}
.Margin_top{
	margin-top: 30px;
}
.Margin_top_e{
    margin-top: 15px;
}
.Margin_top_2{
	margin-top: 15px;
}
.top{
	background: #f4f4f4;
	height: 40px;
	line-height: 40px;
	color: #838c94;
	font-size: 12px;
}
.top .index_pc a{
	color: #838c94;
	border-right: 1px #c8c8c8 solid;
	padding-right: 15px;
	margin-right: 15px;
    font-size: 12px;
}

.topArea a{
    color: #142449;
    margin-right: 10px;
    font-weight: bold;
}
.topArea a.topMore{
    color: #838c94;
    font-weight: normal;
} 

.pos_city{
    overflow:hidden;background: #fff;padding:15px 15px 0px 15px;width: 100%;
}
.pos_city a{
    width:18%;margin-right: 2%;background: #f0f0f0;line-height: 30px;height: 30px;text-align: center;margin-bottom: 15px;
}
.pos_city a:nth-child(5n+5){
    margin-right: 0px;
}
#City_more {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    z-index: 99;
}
.City_list{
	width: 1000px;
	height: 650px;
	background-color: #fff;
	overflow-y: scroll;
	position: relative;
	margin-top: 150px;
	left:50%;
	margin-left:-500px;
	
}
.close_btn{
	position: absolute;
	right:20px;
	top:25px;
	color: #3e3e3e;
    cursor: pointer;
}
.hot-city {
    border-bottom: solid 1px #e6e6e6;
    padding: 15px 30px;
    font-size: 16px;
    position: fixed;
    background-color: #fff;
    z-index: 9;
    width: 923px;
    box-shadow: 0px 0px 10px rgba(0,0,0,0.2);
}
.hot-title {
    display: inline-block;
    line-height: 34px;
    vertical-align: top;
    color: #428bca;
}
.hot-items {
    display: inline-block;
    width: 820px;
    line-height: 34px;
}
.hot-city a {
    color: #3e3e3e;
    text-decoration: none;
    padding: 0px 16px;
    display: inline-block;
    height: 34px;
    line-height: 34px;
    text-align: center;
    white-space: nowrap;
}
.hot-city a:hover{
	color: #428bca;
}
.city-letter-group {
    font-size: 15px;
    position: absolute;
    top: 65px;
    right: 0;
    left: 0;
}
.city-letter-group li {
    padding: 6px 30px;
    border-bottom: solid 1px #e6e6e6;
}
.city-letter {
    display: inline-block;
    width: 33px;
    height: 33px;
    line-height: 33px;
    text-align: center;
    background-color: #f8f8f8;
    border: solid 1px #eee;
    vertical-align: top;
}
.city-items {
    margin-left: 30px;
    line-height: 33px;
    width: 820px;
    display: inline-block;
}
.city-items a {
    padding: 0px 10px;
    text-decoration: none;
    color: #666;
    white-space: nowrap;
}
.city-letter-group{
	font-size: 15px;
}
.city-letter-group li:hover .city-letter,.city-letter-group li.focus .city-letter{
    background-color: #428bca;
    color: #fff;
}
.city-letter-group li:hover,.city-letter-group li.focus
{
	background-color:#f8f8f8;
}
.city-letter-group a:hover{
    color: #428bca;
}
.nav-all{
    position: absolute;
    width: 310px;
    top: 100px;
    z-index: 2;
}
.nav-btn{
    background-color: #0c2d79;
    height: 50px;
    line-height: 50px;
    text-align: center;
}
.all_course_nav {
    background: url(../../../../www.isixue.com/assets/images/bg4.png) no-repeat;
    background-position: -6px -63px;
    width: 23px;
    height: 14px;
    display: inline-block;
    margin-bottom: -1px;
}
.nav-btn span {
    font-size: 18px;
    color: #fff;
    margin-left: 7px;
}
.nav-list{
    background: #fff;
    padding:0px 15px;
        box-shadow: 0px 0px 10px rgba(0,0,0,0.2);
}
.classification {
    border-bottom: 1px #eee solid;
    overflow: hidden;
    padding: 0px;
}
.classification_cio{
    width: 65px;
    background:url(../img/ico.jpg);
    background-repeat: no-repeat;
    padding-top:45px;
    font-size: 16px;
    
}
.classification_cio_01{
    background-position: 5px 10px;
}
.classification_cio_02{
    background-position: 5px -108px;
    margin-top: 15px;
}
.classification_cio_03{
    background-position: 5px -228px;
}
.classification:nth-last-child(1){
    border:none;
}
.classification ul{
    width: 180px;
    margin-left: 30px;
    margin-top: 17px;
}

.classification_cio a{
    color: #666;
    
}
.classification a:hover{
    text-decoration:underline;
}
.classification ul li{
    line-height: 30px;
    padding:0px 20px 0px 0px;
}
.classification ul li a{
    font-size: 14px;
}

/*头部logo*/
.header-logo{
	height:90px;
	padding-top: 25px;
	background: #fff;
}
.header-logo h1 a{
	font-size: 0px;
	width: 310px;
	height: 60px;

}
.tit {
    font-size: 20px;
    margin-left: 20px;
    margin-top: 20px;
}
.search {
    margin-top: 10px;
    margin-left: 80px;
}
.search input{
    border: 2px solid #142449;
    width: 350px;
    height: 36px;
    line-height: 36px;
    padding-left:10px;

}
.search-btn {
    background: #142449;
    width: 90px;
    height: 40px;
    display: inline-block;
    outline: none;
    border: none;
    cursor: pointer;
    color: #fff;
    font-size: 16px;
    line-height: 40px;
}
.search input::-webkit-input-placeholder{
	color: #838c94;
}
.menu_nav{
    height: 50px;
    line-height: 50px;
    background-color: #142449;
}

.navbar-default .navbar-nav>li>a{
    color: #fff;
    font-size: 16px;
    padding-left:30px;
    padding-right: 30px;
}
.navbar-default .navbar-nav>li>a:hover, .navbar-default .navbar-nav>li>a:focus{
	color: #fff;
	background-color: #0c2d79;
}
.navbar-default .navbar-nav>li>a:hover, .navbar-default .navbar-nav>.hover>a{
    color: #fff;
    background-color: #0c2d79;
}
header{
    background: #fff;
    padding:10px 0px;
}
#Index_City_m{
    color: #666;
    margin-top: 5px;
    margin-left: 15px;
}
#Index_City_mspan {
    margin-right: 3px;
}
#more_city {
    position: fixed;
    left: 0;
    top: -60px;
    bottom: 0;
    right: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
}
.City_listt {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 150px;
    bottom: 150px;
    background-color: #fff;
    overflow-y: scroll;
}