body {
    background: #f5f5f5
}



.w-1000 {
    width: 1000px;
    margin: 0 auto;
    clear: both
}

.cf {
    zoom:1}

.cf:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden
}

.f_l {
    float: left
}

.f_r {
    float: right
}

.mar-t20 {
    margin-top: 20px!important
}

.mar-r20 {
    margin-right: 20px!important
}

a,dd,div,dl,i,img,input,li,p,span,ul {
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -moz-box-sizing: border-box
}

ol, ul {
    list-style: none;
}

a {
    text-decoration: none
}

a, a:hover, a:link, a:visited {
    border: 0 none;
    text-decoration: none;
}

.curr-price,.curr-price0,.old-price,.vip-price {
    font-size: 20px;
    color: #ff5c00;
    display: inline-block;
    vertical-align: middle;
    margin-right: 15px
}

.curr-price0 {
    font-size: 17px
}

.old-price {
    font-size: 14px;
    color: #666;
    text-decoration: line-through
}

.vip-price {
    min-width: 83px;
    height: 18px;
    background: url(../images/vip.png) no-repeat 0 0 / 41.5px 18px;
    color: #ff773f;
    font-size: 12px;
    padding-left: 45px;
    padding-right: 5px;
    line-height: 18px;
    border: 1px solid #ff773f
}

#pager{
    margin-top: 120px;
}

.zyd-top {
    height: 240px;
    background: #fff;
    padding: 19px;
    border: 1px solid #e9e9e9
}

.zyd-top .media {
    width: 300px;
    height: 200px;
    margin-right: 25px
}

.zyd-top .media img {
    display: block;
    width: 100%;
    height: 100%
}

.zyd-top .explain {
    width: 635px;
    color: #666;
    font-size: 12px
}

.zyd-top .explain li {
    margin-top: 15px
}

.zyd-top .explain li.intor {
    height: 32px;
    overflow: hidden
}

.zyd-top .explain li:first-child {
    margin-top: 4px
}

.zyd-top .explain h1 {
    display: inline-block;
    font-size: 24px;
    color: #333;
    line-height: 1em
}

.zyd-top .explain .greenbtn {
    width: 135px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    outline: 0
}

.zyd-top .explain .time {
    position: absolute;
    font-size: 12px;
    height: 1em;
    line-height: 1em;
    color: #999;
    bottom: 0;
    right: 0
}

.zyd-top .explain .time>span {
    padding-left: 18px;
    padding-right: 18px;
    border-right: 1px solid #cacaca
}

.zyd-top .explain .time>span:last-child {
    padding-right: 0;
    border-right: 0
}

.zyd-top .explain .time i {
    vertical-align: text-bottom
}

.zyd-top .explain .time .icon-ques2 {
    position: relative;
    z-index: 10;
    cursor: pointer
}

.zyd-top .explain .time .icon-ques2:hover .pop-buy-infor {
    display: block
}

.zyd-top .explain .time .pop-buy-infor {
    display: none;
    left: -155px;
    top: 22px;
    border: 1px solid #ccc;
    padding: 10px;
    background: #f5f5f5;
    color: #555;
    width: 190px;
    line-height: 18px;
    font-size: 12px
}

.zyd-top .explain .time .pop-buy-infor em {
    width: 8px;
    height: 8px;
    display: block;
    position: absolute;
    top: -5px;
    background: #f5f5f5;
    display: inline-block;
    left: 157px;
    border-left: 1px solid #ccc;
    border-top: 1px solid #ccc;
    transform: rotate(45deg)
}

.zyd-top .explain .icon-man {
    vertical-align: middle
}

.zyd-top .explain .last {
    position: relative
}


.greenbtn {
    display: inline-block;
    color: #fff;
    border-radius: 3px;
    font-size: 18px;
    background: #35b558;
    -webkit-transition-duration: .8s;
    transition-duration: .8s;
    -webkit-transition-property: background;
    transition-property: background;
    -webkit-transform: translateZ(0);
    transform: translateZ(0)
}

.greenbtn:active,.greenbtn:focus,.greenbtn:hover {
    background: #66d178;
    color: #fff
}

.zyd-tab {
    background: #fff;
    width: 745px;
    border: 1px solid #e9e9e9
}

.zyd-tab .tabnav {
    position: relative;
    z-index: 10;
    width: 745px;
    height: 50px;
    padding-left: 30px;
    border-bottom: 1px solid #e9e9e9
}

.zyd-tab .tabnav li {
    float: left;
    margin-right: 20px;
    width: 126px;
    height: 50px;
    padding-top: 15px;
    color: #333;
    font-size: 14px;
    text-align: center
}

.zyd-tab .tabnav li:hover,.zyd-tab .tabnav li.active {
    font-weight: 500;
    border-bottom: 2px solid #35b558
}

.zyd-tab .tabnav li.show {
    display: none
}

.zyd-tab .tabnav .tag-trylearn {
    vertical-align: text-bottom
}

.zyd-tab .tabnav.floatna {
    width: 1000px;
    background: #fff
}

.zyd-tab .tabnav.floatna .show {
    width: 658px;
    display: block;
    float: right;
    font-size: 14px;
    height: 50px;
    padding-top: 0;
    text-align: right
}

.zyd-tab .tabnav.floatna .show:hover {
    font-weight: 400;
    border-bottom: 0 none
}

.zyd-tab .tabnav.floatna .tit {
    margin-right: 20px
}

.zyd-tab .tabnav.floatna .curr-price {
    font-size: 16px;
    margin-right: 5px
}

.zyd-tab .tabnav.floatna .greenbtn {
    display: inline-block;
    width: 105px;
    height: 30px;
    font-size: 14px;
    color: #fff;
    padding-top: 0;
    margin-top: 10px;
    line-height: 30px;
    text-align: center;
    cursor: pointer;
    outline: 0
}

.zyd-tab .tabcon>div {
    display: none
}

.zyd-tab .tabcon>div.active {
    display: block
}

.ke-detail {
    padding: 0 30px 30px
}

.ke-detail h2 {
    font-size: 16px;
    color: #333;
    line-height: 1em;
    padding-top: 25px;
    padding-bottom: 15px
}

.ke-detail img {
    max-width: 680px;
    height: auto;
    margin: 10px 0
}

.ke-detail p {
    font-size: 12px;
    color: #666;
    line-height: 1.8em
}

.ke-detail .img-txt {
    height: 15px;
    margin-top: 15px;
    font-size: 12px;
    color: #666
}

.ke-detail .img-txt>span {
    margin-right: 55px
}

.ke-detail .img-txt i {
    vertical-align: text-bottom
}

.ke-detail .ques {
    color: #666;
    font-size: 12px;
    border-bottom: 1px solid #f0f0f0;
    padding: 15px 0
}

.ke-detail .ques:last-child {
    border-bottom: 0 none
}

.ke-detail .ques label {
    font-size: 15px;
    color: #35b558;
    float: left;
    width: 25px
}

.ke-detail .ques p {
    float: right;
    width: 660px
}

.ke-detail .ques p a {
    color: #333;
    border-bottom: 1px solid #35b558
}

.ke-detail dt {
    font-size: 14px;
    margin-bottom: 10px
}

.ke-outline {
    color: #666;
    font-size: 12px
}

.ke-outline .tag-bg-level {
    display: block;
    font-size: 14px;
    color: #666;
    line-height: 30px;
    text-align: center;
    margin-top: 30px
}

.ke-outline .catalog {
    position: relative;
    border: 1px solid #e9e9e9;
    margin: 20px 20px 30px;
    padding: 30px 0
}

.ke-outline .catalog>i {
    position: absolute;
    top: 55px;
    right: 50px;
    cursor: pointer
}

.ke-outline .theme {
    width: 100%;
    height: 1em;
    line-height: 1em;
    border-left: 2px solid #35b558;
    font-size: 16px;
    color: #333;
    font-weight: 500;
    padding-left: 28px;
    margin-left: -1px
}

.ke-outline .theme .tag-bg-time {
    position: relative;
    color: #35b558;
    padding-left: 20px;
    font-size: 12px;
    font-weight: 400;
    line-height: 20px;
    cursor: pointer;
    vertical-align: text-bottom
}

.ke-outline .theme .tag-bg-time:hover .tag-float {
    display: block
}

.ke-outline .theme .tag-float {
    display: none;
    min-width: 210px;
    margin-left: -20px;
    margin-top: 15px
}

.ke-outline .author {
    display: block;
    color: #999;
    margin: 15px 30px
}

.ke-outline .desc {
    margin: 0 30px
}

.ke-outline .sub-theme {
    padding: 0 30px;
    width: 100%;
    height: 40px;
    margin-top: 30px;
    line-height: 40px;
    background: #f5f5f5;
    font-size: 14px;
    color: #666
}

.ke-outline .sub-theme>em {
    color: #999;
    font-size: 12px;
    margin-left: 15px
}

.ke-outline .book span {
    float: right;
    color: #999;
    font-size: 12px
}

.ke-outline .book .icon-lock {
    vertical-align: text-bottom;
    margin-top: 8px
}

.ke-outline .book .icon-play {
    vertical-align: text-bottom;
    margin-top: 8px
}

.ke-outline .book .icon-time2 {
    vertical-align: text-bottom;
    margin-top: 8px
}

.ke-outline dt {
    color: #333;
    padding: 25px 48px 10px 45px;
    font-size: 13px;
    clear: both;
    overflow: hidden
}

.ke-outline .detail {
    padding:0 40px 0 45px;
    line-height:30px
}


.ke-outline dd {
    height: 30px;
    line-height: 30px;
    padding: 0 48px 0 68px;
    clear: both;
    overflow: hidden;
}

.ke-outline dd a {
    color: #666;
    display: block
}

.ke-outline dd:hover {
    /*color: #35b558;*/
    color: rgb(102, 102, 102);
    background: #f5f5f5
}

.ke-outline dd:hover a {
    color: #35b558
}

.ke-outline dd:hover span {
    color: #35b558
}

.ke-outline .serve {
    padding: 0 20px 30px;
    line-height: 1em
}

.ke-outline .serve h4 {
    font-size: 14px;
    color: #666;
    padding-bottom: 20px;
    border-bottom: 1px solid #e9e9e9
}

.ke-outline .serve li {
    float: left;
    font-size: 12px;
    color: #333;
    margin-right: 45px;
    padding-top: 20px
}

.ke-outline .serve li i {
    vertical-align: text-bottom
}

.rotate {
    -moz-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
    -ms-transform: rotate(-90deg);
    transform: rotate(-90deg)
}

.zyd-aside {
    background: #fff;
    width: 235px;
    border: 1px solid #e9e9e9
}

.zyd-aside .caption {
    width: 100%;
    height: 50px;
    border-bottom: 1px solid #e9e9e9;
    padding-left: 20px;
    line-height: 50px;
    font-size: 14px;
    color: #666
}

.zyd-aside .list {
    padding: 0 20px
}

.zyd-aside .list li {
    border-bottom: 1px solid #f0f0f0;
    padding: 20px 0;
    font-size: 12px;
    color: #666
}

.zyd-aside .list li:last-child {
    border-bottom: 0 none
}

.zyd-aside .list .teacher {
    margin-bottom: 15px
}

.zyd-aside .list .headpic {
    float: left;
    width: 50px;
    height: 50px;
    margin-right: 18px;
    cursor: default
}

.zyd-aside .list .headpic img {
    width: 50px;
    height: 50px;
    border-radius: 50px;
    border: 1px solid #f0f0f0
}

.zyd-aside .list .tit {
    font-size: 14px;
    line-height: 2em
}

.zyd-aside .list .tit a {
    color: #333;
    cursor: default
}

.zyd-aside .list .intor {
    line-height: 20px
}