* {
  margin: 0;
  padding: 0;
}
ul {
  list-style: none;
}
a {
	text-decoration: none; /* 去除默认的下划线 */
	outline: none;	/* 去除旧版浏览器的点击后的外虚线框 */
	color: #fff;	/* 去除默认的颜色和点击后变化的颜色 */ 
}

/*清楚浮动*/  
.clearfix:after {
  content: '';
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}



/*header头部的样式*/  
.courseHeader {
  height: 100px;
  background-color: #fff;
  box-shadow: 0 5px 6px rgb(0 0 0 / 16%);
}

.header {
  width: 1140px;
  height: 100px;
  margin: 0 auto;
}
.headerLogo {
  float: left;
  width: 140px;
  padding: 22px 0;
}
.header ul {
  position: relative;
  float: left;
  width: 480px;
  height: 100px;
  margin-left: 30px;
}
.header>ul li {
  position: relative;
  float: left;
  width: 80px;
  text-align: center;
  line-height: 100px;
  cursor: pointer;
}
.header>ul li a {
  color: black;
}
/* .header>ul li:active {
  color: #388fff;
}
.header>ul li:active::before {
  position: absolute;
  bottom: 0;
  right: 10px;
  content: '';
  width: 60px;
  height: 5px;
  background-color: #388fff;
} */

.liActive {
  color: #388fff;
}
.liActive::before {
  position: absolute;
  bottom: 0;
  right: 10px;
  content: '';
  width: 60px;
  height: 5px;
  background-color: #388fff;
}
.headerSearch {
  position: relative;
  float: left;
  width: 200px;
  height: 40px;
  margin: 30px 30px;
  background-color: #F0F2F4;
  border-radius: 5px;
}
.headerSearch input {
  width: 160px;
  height: 30px;
  outline: none;
  border: none;
  background-color: #F0F2F4;
  margin: 5px 0px 5px 10px;
}
.headerSearch img {
  position: absolute;
  right: 5px;
  top: 10px;
  width: 20px;
  height: 20px;
}
.headerUser {
  float: right;
  height: 100px;
}
.headerUser>div {
  float: left;
}
.headerUser .headerUserPhotoImg {
  width: 60px;
  height: 60px;
  margin: 20px 0;
}
.headerUser .headerUserCurse {
  height: 40px;
  line-height: 40px;
  margin: 30px 30px;
}
.headerUser .headerUserCarImg {
  width: 22px;
  height: 22px;
  margin: 39px 0;
}
.headerUser img {
  width: 100%;
  height: 100%;
}



/*主体中list部分*/
/* .courseBody {
  width: 100vw;
} */
.courseBodyList {
  background: #f3f5f9;
  padding: 30px 0;
}
.courseBodyList>ul {
  width: 1140px;
  margin: 0 auto;
}
.courseBodyList span {
  float: left;
  width: 90px;
  height: 48;
  font-size: 14px;
  font-weight: 700;
  line-height: 48px;
  position: relative;
  color: #333;
}
.courseBodyList img{
  float: left;
  margin: 20px 10px;
}
.courseBodyListCon {
  float: right;
  width: 1015px;
}
.courseBodyListCon li {
  float: left;
  font-size: 14px;
  text-align: center;
  color: #515759;
  margin: 12px 10px;
  padding: 5px;
}
.activeList {
  color: #388fff!important;
  text-decoration: none;
  background: rgba(44,128,255,.1);
  border-radius: 5px;
}


/*网站主体课程排序部分*/ 
.courseBodyConTitle {
  width: 1140px;
  margin: 20px auto;
}
.courseBodyConTitle>ul>li {
  float: left;
  height: 20px;
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  padding: 0 10px;
  cursor: pointer;
}
.courseBodyConTitle ul li:nth-child(n+8) {
  float: right;
}
.courseBodyConTitle ul li:nth-child(n+8) input {
  height: 15px;
  width: 15px;
  margin: 2.5px 5px 2.5px 20px;
}
.courseBodyConTitle ul li:nth-child(n+8) div {
  float: left;
  line-height: 20px;
}
.courseBodyConTitleActive {
  color: #3483FF;
}


/*网站主体课程内容图*/
.courseBodyConList {
  width: 1140px;
  margin: 0 auto;
}

.courseBodyConList ul li {
  float: left;
  position: relative;
  width: 270px;
  height: 275px;
  box-shadow: 1px 1px 10px rgb(27 39 94 / 40%);
  border-radius: 8px;
  margin: 0 0 20px 20px;
  overflow: hidden;
}
.courseBodyConList ul li .vipLogo {
  position: absolute;
  right: 10px;
  top: 10px;
  width: 52px;
  height: 23px;
  border-radius: 8px;
}
.courseBodyConList ul li:nth-child(4n+1) {
  margin-left: 0;
}
.courseBodyConList ul li .courseBodyConListImg {
  width: 270px;
  height: 165px;
}
.courseBodyConList ul li img {
  width: 100%;
  height: 100%;
}
.courseBodyConList ul li h1 {
  height: 20px;
  font-size: 16px;
  font-weight: 700;
}
.courseBodyConList ul li h3 {
  height: 20px;
  font-size: 12px;
  color: #808080;
  margin: 10px 0;
}
.courseBodyConListCon {
  height: 20px;
  padding: 10px;
}
.courseBodyConListCon div {
  color: #fe7062;
  font-weight: bold;
  font-size: 16px;
}
.courseVIP {
  width: 80px;
  padding: 2px 10px;
  height: 20px;
  color: #fff;
  font-size: 12px;
  background: linear-gradient(90deg,#ff928e,#fe7062 99%);
  border-radius: 24px 0 24px 0;
}
.courseFree {
  width: 80px;
  padding: 2px 10px;
  height: 20px;
  color: #3583FF;;
  font-size: 12px;
}

/*页脚部分*/
.courseFooter {
  height: 150px;
  background-color: #3483FF;
}
.footerCon {
  width: 1140px;
  margin: 0 auto;
}
.footerCon ul {
  display: inline-block;
  width: 1140px;
}
.footerCon ul li {
  float: left;
  font-size: 12px;
  color: #fff;
  text-align: center;
  line-height: 20px;
}
.footerCon ul li img {
  width: 100%;
  height: 100%;
}
.footerCon ul li:nth-child(1) {
  width: 110px;
  height: 44px;
  margin-top: 53px;
}
.footerCon ul li:nth-child(2) {
  width: 130px;
  height: 110px;
  margin: 20px 50px;
}

.footerCon ul li:nth-child(3) {
  margin: 35px 30.725px;
  /* margin: 35px 0;
  overflow: hidden;
  float: none; */
}
.footerCon ul li:nth-child(3) div {
  height: 20px;
  color: #fff;
}
.footerCon ul li:nth-child(3) div:nth-child(2) {
  margin: 10px 0;
}
.footerCon ul li:nth-child(3) span {
  font-size: 14px;
  padding: 0 15px;
}
.footerCon ul li:nth-child(3) span+span {
  border-left: 2px solid #fff;
}
.footerCon ul li:nth-child(n+4) {
  float: right;
  width: 80px;
  height: 100px;
  margin: 25px 0 25px 50px;
  
}
.footerCon ul li:nth-child(n+4) img {
  width: 80px;
  height: 80px;
}