@charset "utf-8";
.left{
    width: 21rem;
    float: left;
}
.right{
    /*margin-left: 14rem;*/

    float: left;
    width: 78.6rem;
    margin-left: 1rem;
}
.rightHead{
    background-color: white;
    height: 3rem;
    margin-left: 1rem;
    margin-top: 1rem;
    width: 77.7rem;
}
.rightHeadLevel{
    /*float: left;*/
    /*height: 30rem;*/
    /*line-height: 30rem;*/
    /*margin-left: 15rem;*/
    /*color: #456240;*/
    /*cursor: pointer;*/

    color: #456240;
    cursor: pointer;
    float: left;
    height: 2.1rem;
    line-height: 2.1rem;
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}
.rightHeadLevelCurrent{
    /*color: #3aa501;*/
    background-color: #3aa501;
    color: white;
}
.rightHeadPrice{
    float: right;
    margin-top: 0.5rem;
    color: #456240;
    margin-right: 2rem;
    display: block;
    cursor: pointer;
}
.rightHeadPriceCurrent{
    background-color: #3AA501;
    color: white;
}
.backgroundImage{background:url('../images/appIndex.png') no-repeat ;}
.books{
    margin-left:2rem;
    margin-top:1rem;
    width: 18rem;
    height: 13.6rem;
    background-position:0 -112.8rem;
    margin-bottom: 1rem;
}
.books a{
    display: block;
    float: left;
    cursor:pointer;
}
.book0{
    margin-left:1rem;
    height:12rem;
    width:2.8rem;
    background-position:0 -47.1rem;
}
.book0Corver{
    margin-left:1rem;
    height:12rem;
    width:10rem;
    background-position:0 -95.3rem;
}
.book1{
    height:12rem;
    width:2.8rem;
    background-position:0 -28.5rem;
}
.book1Corver{
    height:12rem;
    width:10rem;
    background-position:0 -79.2rem;
}
.book2{
    height:12rem;
    width:2.8rem;
    background-position:0 -12rem;
}
.book2Corver{
    height:12rem;
    width:10rem;
    background-position:0 -63.4rem;
}
/*.course_wei1{height:120rem;width:28rem;background-position:0 -471rem;}*/
/*.course_zhuanti1{height:120rem;width:28rem;background-position:0 -120rem;}*/
/*.course_guoxue1{height:120rem;width:28rem;background-position:0 -285rem;}*/
/*.course_zhuanti2{height:120rem;width:100rem;background-position:0 -634rem;}*/
/*.course_guoxue2{height:120rem;width:100rem;background-position:0 -792rem;}*/
/*.course_wei2{height:120rem;width:100rem;background-position:0 -953rem;}*/
/*.resource_bookshelf{height:136rem;width:180rem;background-position:0 -1128rem;}*/
/*.arrow_up{height:16rem;width:16rem;background-position:0 -35rem;}*/
/*.arrow_down{height:16rem;width:16rem;background-position:0 -74rem;}*/
/*.node{height:10rem;width:10rem;background-position:0 0;}*/
/*科目章节*/
.optionStyle{
    margin-top: 1rem;
    border: 1rem solid #CCCCCC;
    width: 18rem;
    height: 3rem;
    line-height:3rem;
    padding-left: 2rem;
    margin-left:1.5rem;
    background-color: white;
    border-radius:0.3rem;
    cursor:pointer;
}
.downup{
    float: right;
    margin-right: 1rem;
    margin-top: 1.1rem;
}
.subjectBlock{
    z-index: 100;
}
.gradeBlock{
    z-index: 99;
}
.subjectBlock,.gradeBlock{
    display: none;
    background-color: #fff;
    box-shadow: 0 0.6rem 1.2rem rgba(0, 0, 0, 0.176);
    float: left;
    position: absolute;
    width: 18rem;
    left:1.5rem;
}
.leftTab{
    cursor: pointer;
    font-size: 1.4rem;
    height: 3.7rem;
    line-height: 3.7rem;
    overflow: hidden;
    padding-left: 2rem;
    position: relative;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 18rem;
}
.leftTab:hover{
    color: #3AA501;
}
.chapterContent{
    /*height: 38rem;*/
    /*margin-top: 1rem;*/
    /*overflow: auto;*/
    /*width: 20rem;*/
    margin: -1.6rem auto 1.2rem 2rem;
}
.chapterItem{
    /*height: 3.6rem;*/
    /*width: 20rem;*/
    /*padding-left:3rem;*/
    /*line-height:3.6rem;*/
    cursor:pointer;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 1.4rem;
    margin-top: 3rem;
}
.chapterItemCur{
    /*font-weight:bold;*/
    /*background-color: white;*/
    color: #3AA501;
}
.leftTabCur{
    font-weight:bold;
    color: #3AA501;
}
.chapter{
    margin-top: 1rem;
    overflow: auto;
    height: auto;
    width: 19.8rem;
    background-color: #ffffff;
    margin-left: 2rem;
    border: 0.1rem solid #dddddd;
}