/*初始化*/
body{min-width:1360px;}
li{list-style: none;}

/*公共部分*/
.text-justify{text-align:justify;}
.indent-2{text-indent:2em;}
.clear{clear:both}

/*bootstrap5 重定义*/
.container{min-width:1320px;}
.page-link{color:#000000;}
.page-link:hover{color:#ffc107;}

/*头部*/
.logo img{width:48px;}
#nav li:hover, #home .home, #course1 .course1, #course2 .course2, #course3 .course3, #book .book, #source .source, #article .article, #share .share, #cases .cases, #about .about{background-color:#212529;}
#nav li:hover a, #home .home a, #course1 .course1 a, #course2 .course2 a, #course3 .course3 a, #book .book a, #source .source a, #article .article a, #share .share a, #cases .cases a, #about .about a{color:#ffffff!important;}

/*底部*/
.footer{}

/*首页*/
/*热门课程*/
.hot-course{}
    .hot-course .position-relative{background-image:linear-gradient(to top, #f7ebc8, white);}
    .hot-course .position-absolute{width:50px;height:50px;top:1px;right:1px;background:url('../img/hot.png');background-size:cover}

/*侧边栏*/
.sidebar{}
.contact{background-image:url('../img/bg-contact.jpg');background-size:cover}