* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: black;
}

.incenter {
    width: 1286px;
    margin: auto;
}

.header {
    height: 80px;
    background-color: #f0f0f0;
}
.logo {
    float: left;
    height: 80px;
}
.logo>img {
    height: 80px;
}

.header .logo,
.header .nav,
.header .search {
    float: left;
}

.header .nav ul li {
    float: left;
    height: 80px;
    margin: 0 40px;
    line-height: 80px;
}

.header .nav ul li a:hover {
    border-bottom: 2px solid blue;
    color: blue;
}

.header .search {
    width: 400px;
    height: 40px;
    margin: 20px 50px;
}

.header .search input,
.header .search button {
    float: left;
    height: 40px;
    border: 1px solid blue;
    box-sizing: border-box;
    /* 强制统一盒模型 */
    /* vertical-align: middle; 修复基线对齐 */
}

.header .search input {
    width: 360px;
    border-right: 0px;
    font-size: 16px;
    padding-left: 10px;
}

.header .search button {
    width: 40px;
}

.header .user {
    float: left;
    margin-left: 50px;
    height: 80px;
}

.header .user a {
    display: block;
    height: 40px;
    padding: 20px 0;
    line-height: 40px;
}

.header .user a img {
    width: 40px;
}

.header .user a span {
    display: inline-block;
}

.banner {
    height: 421px;
    /* margin-top: 20px; */
    background-color: #1b0c6f;
}

.banner .incenter{
    height: 421px;
    background-color: #af95ab;
}

.banner .incenter .subnav {
    float: left;
    width: 190px;
    height: 405px;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 8px 0;
}

.banner .incenter .subnav ul li {
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
}


.banner .incenter .subnav ul li a span{
    float: right;
}

.banner .incenter .subnav ul li a:hover
{
    color: blue;
}
.banner .incenter .course
{
    float: right;
    width: 230px;
    height: 300px;
    margin:  60.5px 0;
    background-color: white;
}
.banner .incenter .course .title{
    height: 40px;
    background-color: #60aee5;
    line-height: 40px;
    text-align: center;
    color: aliceblue;
    font-weight: bold;
    font-size: 20px;
}
.banner .incenter .course ul li {
    height: 35px;
    padding: 15px 20px;
    border-bottom: 1px solid #ddd;
}
.banner .incenter .course ul li a:hover,
.banner .incenter .course ul li a .coursename:hover,
.banner .incenter .course ul li a .coursestatus:hover
 {
    color: #60aee5;
    font-size: 16px;
}
.banner .incenter .course ul li a .coursename {
    font-size: 14px;
}
.banner .incenter .course ul li a .coursestatus{
    color: #756c6c;
    font-size: 12px;
}
.banner .incenter .course .more{
    display: block;
    height: 40px;
    margin: 10px;
    border: 2px solid #60aee5;
    color: #60aee5;
    font-weight: bold;
    border-radius: 5px;
    line-height: 40px;
    text-align: center;
}
.banner .incenter .course .more:hover {
    font-size: large;
}
.goods {
    height: 50px;
    background-color: #f0f0f0;
    box-shadow: 0 4px 3px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}
.goods .title{
    float: left;
    height: 50px;
    line-height: 50px;
    margin: 0 30px;
    color: blue
}
.goods ul li {
    float: left;
    height: 30px;
    margin: 10px 0;
    line-height: 30px;
    padding: 0 30px;
    border-left: 1px solid #a39e9e;
}
.goods .more{
    display: block;
    float: right;
    height: 30px;
    line-height: 30px;
    margin: 10px 0;
    padding: 0 30px;
    border-left: 1px solid #a39e9e;
    color: blue
}
.box {
    /* height: 600px; */
    background-color: #f0f0f0;
}
.box .title{
    height: 50px;
    line-height: 50px;
    color: blue
}
.box .title .left{
    float: left;
    margin: 0 30px;
}
.box .title .right{
    float: right;
    margin: 0 30px;
    color: #414040;
}
.box ul li{
    float: left;
    width: 240px;
    height: 270px;
    margin: 0 17.2px 5px 0;
    background-color: #7d2828;
}
.box ul li a {
    position: relative;
}
.box ul li a .tag img{
    position: absolute;
    top: 30px;
    right: 0px;
    width: 20px;
    
}
.box ul li a > .img{
    width: 240px;
    height: 160px;
    background-color: #ddd;
}
.box ul li p3{
    display: block;
    height: 40px;
    width: 180px;
    padding: 10px 30px;
}
.box ul li p4{
    display: block;
    height: 30px;
    width: 180px;
    padding: 10px 30px;
}
.box .clear{
    clear: both;
}
.footer{
    height: 250px;
    background-color: #f0f0f0;
    margin-top: 30px;
}
.footer .incenter{
    padding-top: 50px;
    color: #414040;
}
.footer .incenter .copyright {
    float: left;
    line-height: 50px;
    text-align: center;
    margin-left: 50px;
    color: #414040;
}
.footer .incenter .links {
    float: right;
    margin-right: 50px;
}
.footer .incenter .links dl{
    float: right;
}
.footer .incenter .links dl dt {
    font-size: 16px;
    margin-bottom: 5px;
}
.footer .incenter .links dl dd a{
    font-size: 14px;
    color: #333;
}
.fixed {
    position: fixed;
    top: 50%;
    right: 5%;
    width: 200px;
    height: 200px;
    background-color: #f0f0f0;
}
.placeholder {
    height: 1000px;
    background-color: #eee;
}

