.courselist .pic{
    float: left;
    margin-right: 20px;
}
.searchmain .courselist .coursecard {
    float: left;
}
.searchmain .courselist .coursecard:nth-child(4n+1) {
    margin-right: 20px;
}
.searchmain .courselist .coursecard:nth-child(4n+3) {
    margin-right: 0px;
}
/* banner */
.pdy-banner-left {

    background: url("../images/banner-left.png") no-repeat 0 0 !important; }

.pdy-banner-right {
    background: url("../images/banner-right.png") no-repeat 0 0 !important; }

.pdy-banner-lefth, .pdybanner .pdy-banner-left:hover {
    background: url("../images/banner-lefth.png") no-repeat 0 0 !important; }

.pdy-banner-righth, .pdybanner .pdy-banner-right:hover {
    background: url("../images/banner-righth.png") no-repeat 0 0 !important; }

.pdybanner {
    background: #f5f7f9;
    position: relative;
    display: none;
}
.pdybanner .pdy-banner-left {
    position: absolute;
    left: 50%;
    margin-left: -280px;
    top: 140px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    z-index: 2;
    display: none; }
.pdybanner:hover .pdy-banner-left{
    display: block;
}
.pdybanner .pdy-banner-right {
    position: absolute;
    left: 50%;
    margin-left: 240px;
    top: 140px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    z-index: 2;
    display: none; }

.pdybanner:hover .pdy-banner-right {
    display: block;
}
.pdybanner .pdy_banner_pic a {
    display: none;
    width: 100%;
    height: 326px;
    background-color: #f5f7f9; }
.pdybanner .pdy_banner_choose {
    text-align: center;
    width: 280px;
    position: absolute;
    left: 50%;
    top: 300px;
    margin-left: -140px;
    font-size: 0px; }
.pdybanner .pdy_banner_choose li {
    width: 26px;
    height: 13px;
    margin: 0 7px;
    display: inline-block;
    background: url(../images/bannern.png) top center no-repeat; }
.pdybanner .pdy_banner_choose li {
    *display: inline; }
.pdybanner .pdy_banner_choose .pdy_choose_now {
    background: url(../images/bannerc.png) top center no-repeat; }
.pdybanner:hover .pdybanner-banner-left, .pdybanner:hover .pdybanner-banner-right {
    display: block; }

/*弹窗部分*/
.nav .w1180 h1{
    font-size: 18px;
    width: 266px;
+width:256px;
    letter-spacing:1px;
}
.nav .w1180 h1:hover{
    background-color: #5990E3;
}
.nav .w1180 h1 em{
    display: inline-block;
    background: url('../images/dh_icon.png') left center no-repeat;
    background-size: inherit;
    width: 20px;
    height: 12px;
    margin: 0 20px;
}
.nav .daohang {
    width: 840px;
    float: left;
    margin-left: 92px;
    margin-right: -18px;
}
.nav .daohang div a,.nav .daohang div ul li,.nav .daohang div ul {
    width: 118px;
}

.nav .courselist{
    position: absolute;
    margin-top: 70px;
    padding-top: 24px;
    background: #ffffff;
    width: 900px;
    overflow: auto;
    z-index: 22;
    line-height: 28px;
    box-shadow: 1px 2px 1px rgba(14, 5, 10, 0.03);
    display: none;
}


.nav .courselist .part span {
    width: 126px;
    padding-left: 47px;
    float: left;
    font-size: 14px;
    font-weight: bold;
    color: #9598A2;
}

.nav .courselist .part div {
    width: 723px;
    padding-bottom: 24px;
    float: left
}

.nav .courselist .part div a {
    width: 160px;
    padding-right: 10px;
    font-size: 14px;
    line-height: 28px;
    color: #9598A2;
    display: inline-block
}

.nav .courselist .part div a:hover,.nav .courselist .part div a.cur {
    color: #649cf0
}

.cousepart{
    position: relative;
}
.cousepart .coursemain .pic{
    position: absolute;
    top: 0;
    left: 0;
    float: left;
}