body{

}

#contentbody{
    margin-top: 7%;
}

.header_top{
    min-width: 1220px;
    height: 35px;
    line-height: 35px;
    width: 100%;
    background: #e4e4e4;
    box-sizing: border-box;
    padding: 0 33px;
}

.header_top span {
    display: inline-block;

    color: #262424;
}

.header_top span a{
    text-decoration: none;
    color: #000;
}

.header_top .tl{
    float: left;
}


.header_top .tr{
    float: right;
}

.header_top .tr b{
    font-size: 14px;
    font-weight: bolder;
    color: black;
}

.header {
    height: 97px;
    background: #fff;
    box-shadow: 0px 2px 5px #ebebeb;
    z-index: 1000; /*确定顶部导航栏位于其他内容之上*/
    /*position: relative;*/
    position: fixed; /*导航栏固定在顶部*/
    top: 0;
    left: 0;
    text-align: center;
    min-width: 1220px;
    width: 100%;
}
.header .logo {
    display: inline-block;
    float: left;
    width: 210px;
    margin: 8px 20px 0px 20px;
    background: url(/images/logo2.png) left;
    height: 44px;
}

.header2 {
    background: #fff;
    box-shadow: 0px 2px 5px #ebebeb;
    z-index: 1000; /*确定顶部导航栏位于其他内容之上*/
    position: fixed; /*导航栏固定在顶部*/
    top: 0;
    left: 0;
    text-align: center;
    min-width: 1220px;
    width: 100%;
}
.header2 .logo2 {
    display: inline-block;
    float: left;
    width: 210px;
    margin: 8px 20px 0px 20px;
    background: url(/images/logo2.png) left;
    height: 60px;
}

/*软考练习题页面样式*/
.ruankao_header {
    height: 57px;
    background: #fff;
    box-shadow: 0px 2px 5px #ebebeb;
    z-index: 1000; /*确定顶部导航栏位于其他内容之上*/
    position: fixed; /*导航栏固定在顶部*/
    top: 0;
    left: 0;
    text-align: center;
    min-width: 1220px;
    width: 100%;
}
.ruankao_header .logo {
    display: inline-block;
    float: left;
    width: 210px;
    margin: 8px 20px 0px 20px;
    background: url(/images/logo2.png) left;
    height: 44px;
}

#timer{
    margin-top: 2%;
    float: right;
    margin-right: 20%;
    color: blue;
    font-weight: bold;
}

.admin-logo {
    display: inline-block;
    float: left;
    width: 210px;
    margin: 8px 20px 0px 20px;
    background: url(/images/admin-logo2.png) left;
    height: 44px;
}

.header .nav {
    display: inline-block;
}


.header .nav  li {
    display: inline-block;
    line-height: 60px;
}

.header .nav  li a {
    display: inline-block;
    padding: 0 20px;
    color: #262424;
    text-align: center;
    font-size: 16px;
    height: 60px;
    line-height: 60px;
    -webkit-transition: background-color .3s;
    font-size: 16px;
    transition: background-color .3s;
}

.header .searchAndLogin{

    height: 60px;
    line-height: 60px;
    float: right;
    padding-right: 100px;
}

.header .searchAndLogin .search{

    float: left;

}


.header .searchAndLogin .search form {
    position: relative;
    width: 300px;
    margin: 0 auto;
}

.searchAndLogin .login{
    display: block;
    position: relative;
    float: right;
}


.d7:after {content:""; clear:both; display:table}
.d7 form {
    width: auto;
    float: right;
    margin-right: 30px;
}
.d7 input {
    width: 200px;
    height: 28px;
    padding-left: 15px;
    border-radius: 42px;
    border: 2px solid green;
    outline: none;
    position: relative;
    transition: .3s linear;
}

.d7 button {
    width: 42px;
    height: 42px;
    background: none;
    border: none;
    position: absolute;
    padding-right: 65px;
    top: 8px;
    right: 0px;
}
.d7 button:before{
    content: "\f002";
    font-family: FontAwesome;
    color: #324b4e;
}

.carousel{
    padding-top: 10px;
}

.w1220{
   width: 1220px;
   margin: 0px auto;
   overflow: hidden;
}
/*前端博客列表页面样式*/
.w12201{
    width: 100%;
    margin: 0px auto;
    overflow: hidden;
}

.course{
    padding-top: 0px;
    padding-bottom: 50px;
}

.course ul{
    width: 1220px;
    margin: 0 auto;
    padding-top: 42px;
}

.course .course_title{
    letter-spacing: .6px;
    line-height: 36px;
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: #4D555D;
}

.course .course_title img {
    position: relative;
    top: -5px;
    right: 10px;
}

.course .course_title span {
    color: #93999F;
    font-size: 16px;
    font-weight: normal;
    margin: 0 2px;
}

.course .course_item{
    width: 224px;
    display: inline-block;
    margin: 20px 8px 0px 8px;
    position: relative;
}


.course .course_item:hover img {
    transform: scale(1.05);
    box-shadow: 3px 0px 9px 0px rgba(7, 17, 27, 0.1), 7px 7px 8px 0px rgba(7, 17, 27, 0.1);
    transition: all 0.3s;
}

.course .course_item b{
    width: 224px;
    height: 124px;
    border-radius: 8px;
    display: block;
    position: relative;
    top: 0px;
    transition: all .3s;
}

.course .course_item b.img {
    display: inline;
    width: 224px;
    height: 124px;
    border-radius: 8px;
    border: none;
    transition: 2s;
}

.course .course_item  img{
    width: 224px;
    height: 124px;
    border-radius: 8px;
    border: none;
    transition: 2s;
}

.course .course_item .content h5{
    padding: 8px;
    font-weight: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 16px;
    color: #07111B;
    height: 40px;
    line-height: 22px;
    word-wrap: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.course .course_item .content h5:hover{
    font-weight: bold;
}

.course .course_item .content p.word{
    line-height: 26px;
    padding: 0 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
}

.course .course_item .content p.word .free{
    color: #6FBA41;
}

.course .course_item .content p.word .vip{
    color: red;
    font-weight: bold;
}

.course .course_item .content p.word span{
    margin-right: 16px;
}

.course .course_line{
    padding-top: 100px;
}

.footer{
    background: #32323B;
    padding-bottom: 0px;
    margin-top: 0px;

}

.footer .footer_left{
    float:left;
    padding-top: 50px;
    padding-bottom: 60px;
}



.footer .footer_left a{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0 10px;
}

.footer .footer_left span{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0 10px;
}

.footer .footer_left .footer_left_middle{
    padding-top: 15px;
}

.footer .footer_left .footer_left_bottom{
    padding-top: 5px;
}

.footer .footer_left .link{
    padding-top: 8px;
}

.footer .footer_left .link span{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0;
}

.footer .footer_left .link span.split{
    margin: 0 8px 0 8px;
}

.footer .footer_left .link a{
    color: #EAEAEA;
    font-size: 14px;
    margin: 0;
}

.footer .footer_left .link span.title{
    margin-left: 10px;
}

.footer .footer_right{
    float: right;
    padding-top: 20px;
}

.footer .footer_right span{
    display: block;
    text-align: center;
    padding-top: 4px;
    color: #EAEAEA;
    font-size: 14px;
}

.footer .footer_right img{
    width: 139px;
    height: 139px;
}

.course_body{
    background-color: #EEEEEE;
}

.course_body .course_nav{
    padding-top: 20px;
    padding-bottom: 20px;
}

.course_body .course_intro{
    height: 320px;
    border: 1px solid #D6D6D6;
    box-sizing: border-box;
    background-color: #fff;
    padding: 20px;
    position: relative;
}

.course_intro .course_img{
    position: absolute;
    width: 446px;
    height: 250px;
    top: 20px;
    left: 20px;
}

.course_intro .course_img img{
    width: 448px;
    height: 280px;
}

.course_intro .course_detail{
    margin-left: 466px;
}

.course_intro .course_detail .some{
    height: 170px;
}

.course_intro .course_detail h1{
    font-size: 26px;
    color: #333333;
    font-weight: normal;
    margin-bottom: 20px;
    margin-top: 0px;
}

.course_intro .course_detail p{
    padding-bottom: 8px;
}


.course_intro .course_img2{
    position: absolute;
    bottom: 8px;
    right: 8px;

}

.course_intro .course_img2  img{
    width: 486px;
    height: 146px;
}

.course_intro .share{
    position: absolute;
    top: 18px;
    right: 18px;
}

.course_content{
    margin-top: 20px;
    padding-bottom: 40px;
}

.course_content .content_left{
    float: left;
    width: 912px;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    background: #fff;
}

.course_content .content_left p{
    padding-top:4px;
}



.course_content .content_right{
    float: right;
    width: 282px;
}

.course_content .content_right .teacher{
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    background: #fff;
    padding-left: 8px;
    padding-right: 8px;
}

.course_content .content_right .teacher img{
    width: 66px;
    height: 66px;
    border-radius: 50%;
    margin-top: 10px;
    float: left;
}

.course_content .content_right .teacher span{
    margin-left: 20px;
    font-size: 14px;
    color: #808080;
    line-height: 40px;
}

.course_content .content_right .teacher p{
    margin: 0px 0 0 86px;
    font-size: 12px;
    color: #808080;
    height: 40px;
    overflow: hidden;
}

.course_content .content_right .recommend{
    margin-top: 20px;
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    background: #fff;
    padding-left: 8px;
    padding-right: 8px;
    padding-bottom: 20px;
}

.course_content .content_right .recommend ul.rcourse{
    padding-top: 5px;
}

.course_content .content_right .recommend ul.rcourse li{
    padding-top: 10px;
}

.courseList_body .searchContent b{
    height: 20px;
    padding-right: 10px;
    line-height: 30px;
    font-weight: 700;
    font-size: 14px;
    color: #07111b;
    text-align: right;
    float: left;
}

.courseList_body .searchContent .opt{
    display: inline-block;
    line-height: 14px;
    margin-bottom: 10px;
    padding: 9px 12px;
    font-size: 14px;
    cursor: pointer;
    color: #14191e;
    margin-right: 10px;
}

.courseList_body .searchContent .on{
    background: #2ACBBB;
    color: #fff;
}

.courseList_body .searchContent a{
    float: left;
}

.courseList_body .searchContent{
    padding-top: 20px;
    padding-bottom: 10px;
}

.courseList_body .searchContent .li_1{
    height: 50px;
    border-bottom: 1px solid #edf1f2;
}

.courseList_body .searchContent .li_2{
    padding-top: 20px;
    height: 50px;
    border-bottom: 1px solid #edf1f2;
}

.courseList_body .searchContent .li_3{
    height: 50px;
    padding-top: 20px;
}

.courseList_body .searchContent .li_3 form{
    display: inline;
}
.courseList_body .searchContent .li_3 .s_input{
    height: 30px;
    width: 300px;
    display: inline;
}


.courseResult{
    background: #F3F5F7;
    padding-bottom: 30px;
}
.courseResult .course{
    padding-top: 20px;
}

.article_content{
    background: #fff;
    margin-top: 0px;

    padding-top: 35px;
    padding-left: 30px;
    box-sizing: border-box;
    border: 1px solid #D6D6D6;
    padding-bottom: 20px;
}



.article_content .title{
    font-size: 24px;
    height: 56px;
    line-height: 56px;
    color: #010101;
    font-weight: normal;
    width: 100%;
    overflow: hidden;
}

.article_content .content{
    padding-top: 20px;
    padding-right: 20px;
    word-wrap:break-word;
}

.course_body .space{
    height: 40px;
}


/*博客列表页面 右侧悬浮窗*/
.sidenav ul, li {
    margin: 0;
    padding: 0;
}

.sidenav {
    position: relative;
}

.sidenav > ul {
    background: #fff;
    position: fixed;
    top: 500px;
    right: 50px;
    width: 60px;
}

.sidenav > ul > li {
    list-style: none;
    width: 58px;
    height: 60px;
}


.sidenav > ul > li > a {
    display: block;
    width: 28px;
    height: 38px;
    font-size: 14px;
    padding: 10px 16px;
    position: relative;
}

.sidenav > ul > li > a::after {
    position: absolute;
    width: 40px;
    height: 1px;
    bottom: 1px;
    left: 50%;
    margin-left: -20px;
    content: "";
    background: linear-gradient(270deg, white, rgb(238, 238, 238), rgb(238, 238, 238), white);;
    z-index: 1;
}

.sidenav > ul > li > a > .bg {
    position: absolute;
    top: -1px;
    bottom: 1px;
    left: 0;
    right: 0;
    background: transparent;
    z-index: 2;
}

.sidenav > ul > li:hover > a > .bg {
    background: #0094ff;
}
.sidenav > ul > li > a >img {
    display:block;
    width:18px;
    height:16px;
    margin:0 auto;
    position:relative;
    z-index:3;
}
.sidenav > ul > li > a > span:last-child {
    position:relative;
    z-index:3;
}

/*首页下拉导航菜单样式*/
/* 样式化下拉按钮 */
.dropbtn {
    background-color: #4CAF50;
    color: white;
    padding: 12px;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

/* 容器 <div> - 需要定位下拉内容 */
.dropdown {
    position:relative;
    display:inline-block;
}

/* 下拉内容（默认隐藏） */
.dropdown-content {
    display:none;/*默认不展开*/
    position:absolute;
    background-color:#f9f9f9;
    text-align: left;/*展开时连接居左*/
    min-width:180px;/*展开时的最小宽度*/
    box-shadow:0px 8px 16px 0px rgba(0,0,0,0.2);/*展开时的阴影颜色*/
    z-index:1;
}

/* 下拉框内的链接 */
.dropdown-content a {
    color: #545151 !important;/*文本颜色*/
    text-decoration:none;
    display:block !important;
    text-align: left !important;
    /*padding: -10px !important;*/
    margin: -10px !important;
    /*padding-left: 20% !important;*/
    height: 50px !important;
}

/* 悬停时更改下拉链接的颜色 */
.dropdown-content a:hover {
    color: #00CB08 !important;/*鼠标划过时的文本颜色*/
     /*background-color: #FFFFFF !important; 连接块鼠标划过时颜色*/
    /*如果要设置鼠标划过时背景色 需要调整margin: -10px和padding: -10px
        也就是 .dropdown-content a 中的内容
    */
}

/* 悬停时显示下拉菜单 */
.dropdown:hover .dropdown-content {
    display: block;/*display: flex; 横向排列*/
}

/* 显示下拉内容时更改下拉按钮的背景颜色 */
.dropdown:hover .dropbtn {
    background-color: #3e8e41;
}