body{
    background: #f4f4f4;
    font-family: "Microsoft YaHei" !important;
}
h1,h2,h3,h4,h5,h6,h7,p{
    padding: 0;
    margin: 0;
}
.example-main{
    margin-top: 50px;
}

.notice{
    height: 40px;
    line-height: 40px;
    margin: 20px auto 0;
    box-shadow: 1px 1px 5px rgba(100, 100, 100, .2);
    padding: 0;
}
.notice .horn{
    display: block;
    width: 35px;
    height: 35px;
    float: left;
    background: url("../images/icons.png") no-repeat;
    margin-top: 3px;
    margin-right: 5px;
}
.notice .main{
    float: left;
    width: 95%;
}
.notice .main .title{
    width: 86%;
}
.notice .main .title a:hover{
    color: #e05312;
}
.notice .time{
    color: #999;
    float: right;
}
.notice .close{
    display: block;
    width: 35px;
    height: 35px;
    float: right;
    background: url("../images/icons.png") no-repeat;
    background-position: -35px 0;
    margin-top: 3px;
    margin-right: 5px;
    opacity: 1;
}
.example-cates{
    padding: 0;
    margin-top: 20px;
}
.example-cates ul:after{
    content: '';
    display: block;
    clear: both;
}
.example-cates ul li{
    float: left;
    width: 23%;
    height: 315px;
    margin: 0 1% 20px;
    position: relative;
    border-bottom: 1px solid #c1c1c1;
    box-shadow: 1px 2px 2px #c1c1c1;
    transition: all .4s;
    -webkit-transition: all .4s;
    -moz-transition: all .4s;
    -ms-transition: all .4s;
}
.example-cates ul li:hover{
    box-shadow: 4px 4px 5px #c1c1c1;
}
.example-cates ul li a{
    display: block;
    width: 100%;
    height: 100%;
    color: #333;
    text-decoration: none;
    font-size: 12px;
    text-align: center;
    background: #fff;
    padding: 5px 0;
    cursor: pointer;
}
.example-cates ul li a .cate-icon{
    width: 100px;
    height: 100px;
    margin: 10px auto 15px;
}
.example-cates ul li a .cate-icon img{
    width: 100%;
    height: 100%;
}
.example-cates ul li a .title{
    margin-top: 10px;
}
.example-cates ul li a .intro{
    color: #999;
    margin-top: 10px;
}
.example-cates ul li a .cates{
    margin-top: 15px;
    height: 80px;
}
.example-cates ul li a .cates .cate-one{
    width: 70%;
    height: 35px;
    line-height: 35px;
    text-align: center;
    border: 1px solid #ddd;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    border-radius: 4px;
    margin: 10px auto;
    font-size: 13px;
}
.example-cates ul li a .more{
    width: 100%;
    height: 30px;
    line-height: 30px;
    text-align: right;
    padding-right: 10px;
    color: #999;
    font-size: 14px;
}
.example-cates ul li .all-cates{
    display: none;
    width: 140%;
    position: absolute;
    z-index: 9999;
    left: -20%;
    bottom: -35px;
    background: #fff;
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
    box-shadow: 1px 3px 4px #ddd;
}
.example-cates ul li .all-cates h4{
    padding: 10px 5px;
}
.example-cates ul li .all-cates ul{
    margin: 0 auto;
}
.example-cates ul li .all-cates ul li{
    float: left;
    width: 45%;
    height: auto;
    margin-left: 2%;
    padding: 5px;
    border-bottom: none;
    box-shadow: none;
}
.example-cates ul li .all-cates ul li a{
    display: block;
    border: 1px solid #167edd;
    color: #167edd;
    font-size: 13px;
    border-radius: 4px;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    transition: all .3s;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
}
.example-cates ul li .all-cates ul li a:hover{
    background: #167edd;
    color: #fff;
}

/*推荐课程*/
.recommend-course{
    margin-top: 30px;
    padding: 0;
}
.recommend-course .nav-title{
    height: 40px;
    line-height: 40px;
    border-bottom: 2px solid #ddd;
}
.recommend-course .nav-title .title{
    width: 65px;
    height: 40px;
    line-height: 40px;
    border-bottom: 2px solid #167edd;
    font-size: 15px;
    font-weight: 600;
    float: left;
}
.recommend-course .nav-title .more{
    display: block;
    float: right;
    margin-right: 10px;
    color: #999;
    font-size: 12px;
    text-decoration: none;
}
.recommend-course ul{
    margin: 20px 0;
    letter-spacing: 0.5px;
}
.recommend-course ul:after{
    content: ' ';
    display: block;
    clear: both;
}
.recommend-course ul li{
    float: left;
    width: 23%;
    margin: 0 1%;
    padding-bottom: 10px;
    border: 1px solid #ccc;
    box-shadow: 0px 2px 4px #bbb;
    transition: all .3s;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
}
.recommend-course ul li:hover{
    box-shadow: 1px 4px 6px #bbb;
}
.recommend-course ul li a{
    display: block;
    text-decoration: none;
    color: #333;
}
.recommend-course ul li a .top{
    padding: 28px 5px;
    text-align: center;
    color: #fff;
    background-size: 100%;
    letter-spacing: 1px;
}
.recommend-course ul li.re-course0 a .top{
    background: url("../images/bg-icon1.png") no-repeat;
}
.recommend-course ul li.re-course1 a .top{
    background: url("../images/bg-icon2.png") no-repeat;
}
.recommend-course ul li.re-course2 a .top{
    background: url("../images/bg-icon3.png") no-repeat;
}
.recommend-course ul li.re-course3 a .top{
    background: url("../images/bg-icon4.png") no-repeat;
}
.recommend-course ul li a .top .price{
    margin: 8px auto;
    font-size: 12px;
}
.recommend-course ul li a .top .price span{
    font-size: 16px;
}
.recommend-course ul li a .middle-ul{
    width: 94%;
    margin: 0 3%;
    overflow: hidden;
    border-bottom: 1px solid #ddd;
    padding: 10px;
    font-size: 12px;
}
.recommend-course ul li a .middle-ul li{
    border: none;
    width: 100%;
    height: 20px;
    line-height: 20px;
    position: relative;
    padding-left: 5px;
    box-shadow: none;
}
.recommend-course ul li a .middle-ul li:before{
    content: ' ';
    position: absolute;
    left: -10px;
    top: 8px;
    width: 5px;
    height: 5px;
    background: #ccc;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
}
.recommend-course ul li a .bottom-des{
    font-size: 14px;
    width: 94%;
    margin: 5px 3%;
}
.recommend-course ul li a .bottom-des div{
    height: 35px;
    line-height: 35px;
}
.recommend-course ul li a .bottom-des div .ic{
    width: 35px;
    height: 35px;
    background: url("../images/icons.png") no-repeat;
    display: block;
    float: left;
    padding-left: 30px;
}
.recommend-course ul li.re-course0 a .bottom-des .teacher .ic,.recommend-course ul li.re-course2 a .bottom-des .teacher .ic{
    background-position: -40px -36px;
}
.recommend-course ul li.re-course0 a .bottom-des .course .ic,.recommend-course ul li.re-course2 a .bottom-des .course .ic{
    background-position: -40px -76px;
}
.recommend-course ul li.re-course0 a .bottom-des .service .ic,.recommend-course ul li.re-course2 a .bottom-des .service .ic{
    background-position: -40px -113px;
}
.recommend-course ul li.re-course1 a .bottom-des .teacher .ic,.recommend-course ul li.re-course3 a .bottom-des .teacher .ic{
    background-position: -5px -36px;
}
.recommend-course ul li.re-course1 a .bottom-des .course .ic,.recommend-course ul li.re-course3 a .bottom-des .course .ic{
    background-position: -5px -76px;
}
.recommend-course ul li.re-course1 a .bottom-des .service .ic,.recommend-course ul li.re-course3 a .bottom-des .service .ic{
    background-position: -5px -113px;
}
.recommend-course ul li a .bottom-des div .many{
    font-size: 14px;
    font-weight: 600;
}
.recommend-course ul li.re-course0 a .bottom-des div .many{
    color: #5248fa;
}
.recommend-course ul li.re-course1 a .bottom-des div .many{
    color: #fc7053;
}
.recommend-course ul li.re-course2 a .bottom-des div .many{
    color: #516dfc;
}
.recommend-course ul li.re-course3 a .bottom-des div .many{
    color: #f98f40;
}
.recommend-course ul li a .bottom-des .buy-btn{
    width: 94%;
    height: 35px;
    line-height: 35px;
    margin: 10px auto;
    text-align: center;
    color: #fff;
    font-size: 13px;
    border-radius: 6px;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    -ms-border-radius: 6px;
    transition: all .3s;
}
.recommend-course ul li a .bottom-des .buy-btn{
    transition: all .3s;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
}
.recommend-course ul li.re-course0 a .bottom-des .buy-btn{
    background: #5248fa;
}
.recommend-course ul li.re-course0 a .bottom-des .buy-btn:hover{
    background: #4e44ce;
}

.recommend-course ul li.re-course1 a .bottom-des .buy-btn{
    background: #fc7053;
}
.recommend-course ul li.re-course1 a .bottom-des .buy-btn:hover{
    background: #d06449;
}

.recommend-course ul li.re-course2 a .bottom-des .buy-btn:hover{
    background: #516dfc;
}
.recommend-course ul li.re-course2 a .bottom-des .buy-btn{
    background: #4763d0;
}

.recommend-course ul li.re-course3 a .bottom-des .buy-btn{
    background: #f98f40;
}
.recommend-course ul li.re-course3 a .bottom-des .buy-btn:hover{
    background: #d16b3c;
}

/*章节列表页*/
.top-select{
    margin-top: 65px;
    padding: 10px;
    font-size: 14px;
    background: #fff;
    border-bottom: 2px solid #ddd;
}
.top-select .top-cates{
    padding: 0 5px;
    position: relative;
}
.top-select .top-cates:after{
    content: '';
    display: block;
    clear: both;
}
.top-select .top-cates .cate-title{
    float: left;
    width: 25%;
    padding: 10px 0 15px 5px;
    border-bottom: 2px solid #167edd;
    cursor: pointer;
}
.top-select .top-cates .cate-title h3{
    float: left;
    margin: 0 0 3px !important;
}
.top-select .top-cates .cate-title span{
    display: block;
    float: right;
    width: 18px;
    height: 18px;
    background: url(../images/icons.png) no-repeat -143px -8px;
}
.top-select .top-cates .top-statistics{
    float: right;
    width: 75%;
    padding: 12px 0 15px;
    border-bottom: 1px solid #ddd;
    text-align: right;
    color: #e05312;
}
.top-select .top-cates .all-cates{
    display: none;
    height: 550px;
    overflow-y: scroll;
    background: #fff;
    position: absolute;
    z-index: 99999;
    top: 43px;
    border: 1px solid #167edd;
    border-top: 2px solid #167edd;
    padding: 20px;
    border-radius: 0 0 4px 4px;
}
.top-select .top-cates .all-cates .cates-one .title{
    padding: 5px 10px;
    border-bottom: 1px dashed #ddd;
}
.top-select .top-cates .all-cates .cates-one ul{
    padding-bottom: 10px;
    overflow: hidden;
}
.top-select .top-cates .all-cates .cates-one ul li{
    float: left;
    margin-left: 10px;
    margin-top: 10px;
}
.top-select .top-cates .all-cates .cates-one ul li a{
    display: block;
    padding: 5px 15px;
    font-size: 13px;
    color: #167edd;
    text-align: center;
    border: 1px solid #167edd;
    border-radius: 4px;
    transition: all .3s;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
}
.top-select .top-cates .all-cates .cates-one ul li a:hover{
    background: #167edd;
    color: #fff;
}
.top-select .top-cates .all-cates .cates-one ul li.active a{
    background: #167edd;
    color: #fff;
}

.top-select ul.kslx{
    padding: 25px 0 25px;
    background: #fff;
}
.top-select ul.kslx:after{
    content: ' ';
    display: block;
    clear: both;
}
.top-select ul.kslx li{
    float: left;
    width: 12.5%;
    position: relative;
    padding: 5px;
}
.top-select ul.kslx li a:focus{
    background: #f9f9f9;
}
.top-select ul.kslx li .kslx-list{
    display: none;
    background: #fff;
    position: absolute;
    z-index: 9999;
    width: 140%;
    left: -20%;
    bottom: -45px;
    border-bottom: 2px solid #ddd;
    box-shadow: 0px 2px 3px #ccc;
    padding: 15px;
}
.top-select ul.kslx li .kslx-list .title{
    text-align: center;
}
.top-select ul.kslx li .kslx-list ul li{
    float: left;
    width: 80px;
    margin-left: 8px;
    margin-top: 8px;
}
.top-select ul.kslx li .kslx-list ul li.active a{
    background: #e05312;
    color: #fff;
}
.top-select ul.kslx li .kslx-list ul li a{
    display: block;
    padding: 3px 8px;
    border: 1px solid #e05312;
    color: #e05312;
    font-size: 12px;
    text-align: center;
    border-radius: 4px;
    transition: all .3s;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
}
.top-select ul.kslx li .kslx-list ul li a:hover{
    background: #e05312;
    color: #fff;
}

.top-select ul.kslx li a{
    display: block;
    text-align: center;
    color: #333;
    font-size: 15px;
    position: relative;
    cursor: pointer;
}
.top-select ul.kslx li a .icon{
    width: 100px;
    height: 100px;
    background: #f4f4f4;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    margin: 0 auto 10px;
    /*padding-top: 20px;*/
}
.top-select ul.kslx li a .vip{
    width: 50px;
    height: 45px;
    background: url("../images/kslx-vip.png") no-repeat;
    /*background: url("../images/icons.png") no-repeat;*/
    /*background-position: -5px -650px;*/
    position: absolute;
    z-index: 999;
    right: 0;
    bottom: 35px;
}
.top-select ul.kslx li a .icon span{
    display: block;
    width: 100%;
    height: 100%;
    /*background: url("../images/icons.png") no-repeat;*/
    margin: 0 auto;
}
.top-select ul.kslx li a .icon .icon1{
    background: url("../images/kslx-01.png") no-repeat;
    /*background-position: -84px -685px;*/
}
.top-select ul.kslx li a .icon .icon2{
    background: url("../images/kslx-02.png") no-repeat;
    /*background-position: -10px -685px;*/
}
.top-select ul.kslx li a .icon .icon3{
    background: url("../images/kslx-03.png") no-repeat;
    /*background-position: -293px -686px;*/
}
.top-select ul.kslx li a .icon .icon4{
    background: url("../images/kslx-04.png") no-repeat;
    /*background-position: -226px -685px;*/
}
.top-select ul.kslx li a .icon .icon5{
    background: url("../images/kslx-05.png") no-repeat;
    /*background-position: -155px -687px;*/
}
.top-select ul.kslx li a .icon .icon6{
    background: url("../images/kslx-06.png") no-repeat;
    /*background-position: -362px -685px;*/
}
.top-select ul.kslx li a .icon .icon7{
    background: url("../images/kslx-07.png") no-repeat;
    /*background-position: -427px -688px;*/
}
.top-select ul.kslx li a .icon .icon8{
    background: url("../images/kslx-08.png") no-repeat;
    /*background-position: -486px -686px;*/
}
.top-select ul.kslx li.active a .icon{
    background: #f4d9d6;
}
.top-select ul.kslx li.active a .title{
    color: #f43804;
}

.top-kslx{
    padding: 0;
}
.chapter-list{
    background: #fff;
    margin-top: 20px;
    padding-bottom: 50px;
    border-bottom: 2px solid #ddd;
    letter-spacing: 0.5px;
}
.chapter-list .list-ul .chapter-empty{
    color: #aaa;
    padding: 30px 0 0 40px;
    font-size: 15px;
    letter-spacing: 0.5px;
    border-top: 1px dashed #ddd;
}
.chapter-list .list-ul .list-title{
    height: 50px;
    line-height: 50px;
    font-size: 14px;
    overflow: hidden;
    padding-left: 35px;
}
.chapter-list .list-ul .list-title div{
    float: left;
    text-align: center;
}
.chapter-list .list-ul .list-title .title{
    width: 50%;
    text-align: left;
}
.chapter-list .list-ul .list-title .title span{
    display: block;
    float: left;
    width: 30px;
    height: 30px;
    background: url(../images/icons.png) no-repeat -6px -153px;
    margin-top: 9px;
    margin-right: 5px;
}
.chapter-list .list-ul .list-title .done{
    width: 23%;
}
.chapter-list .list-ul .list-title .num{
    width: 7%;
}
.chapter-list .list-ul .list-title .oprate{
    width: 15%;
}

.chapter-list .list-ul .list-chapter{
    color: #333;
    font-weight: 500;
    font-size: 14px;
    background: #e9e9e9;
    border-top: 1px dashed #fff;
}
.chapter-list .list-ul .list-chapter .chapter{
    height: 50px;
    line-height: 50px;
    margin-left: 55px;
    cursor: pointer;
}
.chapter-list .list-ul .list-chapter .chapter .plus,
.chapter-list .list-ul .list-chapter .chapter .reduce{
    display: block;
    width: 35px;
    height: 35px;
    margin-top: 8px;
    background: url(../images/icons.png) no-repeat;
    float: left;
}
.chapter-list .list-ul .list-chapter .chapter .plus{
    background-position: -76px -1px;
}
.chapter-list .list-ul .list-chapter .chapter .reduce{
    background-position: -110px -1px;
}
.chapter-list .list-ul .list-chapter .section{
    background: #fff;
    padding-left: 95px;
}
.chapter-list .list-ul .list-chapter .section li:after{
    content: '';
    display: block;
    clear: both;
}
.chapter-list .list-ul .list-chapter .section li{
    height: 50px;
    line-height: 50px;
    border-bottom: 1px dashed #ddd;
    position: relative;
    padding-left: 20px;
    padding-right: 10px;
}
.chapter-list .list-ul .list-chapter .section li:before{
    content: ' ';
    width: 6px;
    height: 6px;
    background: #999999;
    border-radius: 50%;
    position: absolute;
    z-index: 99;
    left: 5px;
    top: 23px;
}
.chapter-list .list-ul .list-chapter .section li .is-exp{
    position: absolute;
    left: -45px;
    top: 7px;
    z-index: 999;
    color: #61c16f;
    border: 1px solid #61c16f;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    font-size: 12px;
    text-align: center;
    line-height: 35px;
    transform: rotate(-30deg);
}
.chapter-list .list-ul .list-chapter .section li:hover .is-exp
{
    color: #e05312;
    border: 1px solid #e05312;
}
.chapter-list .list-ul .list-chapter .section li:hover:before{
    background: #e05312;
}
.chapter-list .list-ul .list-chapter .section li:hover .title{
    color: #e05312;
}
.chapter-list .list-ul .list-chapter .chapter div,
.chapter-list .list-ul .list-chapter .section li div{
    float: left;
    text-align: center;
}
.chapter-list .list-ul .list-chapter .chapter .title {
    width: 46%;
    text-align: left;
}
.chapter-list .list-ul .list-chapter .section li .title{
    width: 48%;
    text-align: left;
}
.chapter-list .list-ul .list-chapter .done {
    width: 23%;
    color: #999;
}
.chapter-list .list-ul .list-chapter .done .done-data {
    width: 40%;
    float: left;
    text-align: right;
}
.chapter-list .list-ul .list-chapter .done .done-data .done-num {
    color: #e05312;
}
.chapter-list .list-ul .list-chapter .done .done-progress{
    width: 55%;
    height: 10px;
    float: left;
    border: 1px solid #ccc;
    border-radius: 10px;
    background: #fff;
    margin-top: 21px;
    margin-left: 5px;
    position: relative;
}
.chapter-list .list-ul .list-chapter .done .done-progress div{
    max-width: 100% !important;
    height: 8px;
    background: #ccc;
}
.chapter-list .list-ul .list-chapter .done .done-progress span{
    position: absolute;
    top: -22px;
    right: 0;
    font-size: 12px;
    color: #e05312;
}
.chapter-list .list-ul .list-chapter .num{
    width: 8%;
    color: #999;
}
.chapter-list .list-ul .list-chapter .chapter .num {
    width: 7%;
}
.chapter-list .list-ul .list-chapter .oprate{
    width: 17%;
}
.chapter-list .list-ul .list-chapter .oprate a{
    display: block;
    border: 1px solid #666;
    color: #666;
    border-radius: 6px;
    width: 80px;
    height: 25px;
    line-height: 23px;
    float: left;
    cursor: pointer;
    margin-left: 10px;
    margin-top: 13px;
    font-size: 12px;
    transition: all .3s;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
}
.chapter-list .list-ul .list-chapter .oprate a.start-btn{
    border: 1px solid #167edd;
    color: #167edd;
}
.chapter-list .list-ul .list-chapter .oprate a.start-btn:hover{
    background: #167edd;
    color: #fff;
}
.chapter-list .list-ul .list-chapter .oprate a.error-btn{
    border: 1px solid #e05312;
    color: #e05312;
}
.chapter-list .list-ul .list-chapter .oprate a.error-btn:hover{
    background: #e05312;
    color: #fff;
}
.chapter-list .list-ul .list-chapter .oprate a.clear-btn{
    border: 1px solid #ff0000;
    color: #ff0000;
}
.chapter-list .list-ul .list-chapter .chapter .oprate a.clear-btn{
    float: right;
    margin-right: 10px;
}
.chapter-list .list-ul .list-chapter .oprate a.clear-btn:hover{
    background: #ff0000;
    color: #fff;
}

.example-subject{
    padding: 0;
}