html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, a, abbr, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, dl, dt, dd, ol, ul, li, fieldset, form, input, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, command, details, figcaption, figure, footer, header, header2, hgroup, mark, nav {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
    list-style: none;
}

html body {
    width: 100vw;
    overflow-x: hidden;
}

a {
    color: #222222;
    font-size: 16px;
    font-family: "font-pfj";
}

.bg-grey {
    background: #F6F8FC;
}

/* 鼠标滑过文字颜色 */

a:hover, .nav-list li a:hover, .news-head .more:hover {
    color: #4384F4;
}

/* flex布局 */

.flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}

.flex-middle {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    align-items: center;
}

.justify-b {
    justify-content: space-between;
}
.overVB{
overflow: visible;
}


/* 清除浮动 */

.clear::after, .clear::before {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: ' ';
    clear: both;
    height: 0;
}

/*头部*/

header{
    width: 100%;
    height: 435px;
    background: url(../images/banner.png) left no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
}
div.header2 {
    width: 100%;
    height: 141px;
    background: url(../images/banner2.png) left no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
}
.div_dh ul{
margin-left: 100px;
border-bottom: 1px solid #fff;
}
.div_dh ul li{margin:0 21px;line-height: 42px;}
.div_dh ul li a{color:#fff;font-size: 14px;}
.div_search{
    width: 143px;
    background: #fff;
    line-height: 32px;
    height: 32px;
    margin-top: 10px;
    border-radius: 6.18px;
    position: relative;
}
.div_search .input{
width:110px;
margin-left:10px;
}
.div_search input::placeholder {
font-size: 12.35px;
color: #A9A9A9;
letter-spacing: 0.77px;
}
.div_search .buttom{
    position: absolute;
    width: 20px;
    height: 20px;
    margin-top: 6px;
    background:url(../images/edu/icon_search.png) center no-repeat;
    background-size:auto;
    cursor: pointer;
}

.div_slogan{
    width: 490px;
    height: 164px;
    font-family: PingFangSC-Regular;
    font-weight: 400;
    font-size: 54px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    line-height: 82px;
    text-shadow: 0 2px 4px rgb(0 0 0 / 50%);
    overflow: hidden;
    margin: 0 auto;
    margin-top: 105px;
    clear: both;
}



.footer, .nfooter{
width:100%;
height: 435px;
background-image: linear-gradient(180deg, #4C99DD 0%, #2560B8 100%);
    padding: 10px 0 0px;margin-top:50px;
}

.div_aboutInfo, .div_aboutInfo a{
color:#fff;
}
.div_lxwm{margin-right:60px;}
.div_lxwm h1, .div_xglj ul h1, .div_gzwm h1{
    height: 31px;
    font-size: 24px;
    margin-bottom:20px;
    font-weight:normal;
}
.div_lxwm p{
    font-size: 16px;
    height: 25px;
    line-height:25px;
}
.div_xglj{width:256px;}
.div_xglj ul li{
    height: 31px;
    font-family: PingFangSC-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    letter-spacing: 0;
    line-height: 27px;

}

.div_gzwm{float:right;margin-left:100px}
.div_copyright{
    width: 760px;
    border-top: 1px solid #D8D8D8;
    line-height: 40px;
    font-size: 16px;
    color: #FFFFFF;
    letter-spacing: 0;
    opacity: 0.65;
    margin-top: 20px;
}


/*********/


.overn{overflow:inherit!important;}
.div_line_nav {
    display: flex;
    position: relative
}

.div_line_nav li a.drop-link {
    font-size: 12px;
    padding: 10px 0px;
    overflow: hidden;
    color: #fff;
    font-size: 16px
}
.div_line_nav li div.dropdownLayer {
    display: none;
    position: absolute;
    box-shadow: 0 2px 10px 0 #00000021;
    min-width: 410px;
    min-height: 50px;
    z-index: 9;
    text-align: center;
    background: rgb(0,138,230,0.6);
    margin-top: 0px
}

.div_line_nav li:hover .dropdownLayer {
    display: block
}

.div_line_nav li .dropdownLayer .a_link {
    padding: 5px 10px;
    overflow: hidden
}

.div_line_nav li .dropdownLayer .a_link a {
    margin: 0px 20px;
    float: left;
    height: 40px;
    line-height: 40px
}