#content_head {
    width: 100%;
    height: 48px
}

#content_head ul {
    width: 1180px;
    margin: 0 auto;
}

#content_head ul li {
    list-style: none;
    float: left;
    padding: 16px 15px 16px 0
}

#content_head ul li a {
    text-decoration: none;
    color: #000000;
}

#content_head ul li a:last-child {
    color: #4a2a86;
}

#con_video {
    width: 1180px;
    /*height: 370px;*/
    margin: 5px auto 0;
    clear: both;
    overflow: hidden;
    display: flex;
}

.blackMask {
    width: 100%;
    height: 107px;
    line-height: 107px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    text-align: center;
    font-size: 30px;
    position: absolute;
    left: 0;
    bottom: 5px;
}

.video_left {
    width: 496px;
    height: 282px;
    float: left;
    position: relative;
    overflow: hidden;
    border: 1px #dcdcdc solid;
    background: url("https://www.thinkwithu.com/cn/images/courseBanner.png") no-repeat center;
}

.video_left_name {
    margin: 80px auto 20px;
    text-align: center;
    font-size: 40px;
    color: #4a2a86;
    font-weight: bold;
    text-shadow: 1px 1px 0px #FFFFFF, -1px -1px 0px #FFFFFF, 2px 2px 0px #FFFFFF, -2px -2px 0px #FFFFFF, 3px 3px 0px #FFFFFF, -3px -3px 0px #FFFFFF;
}

.video_left_type {
    margin: 5px auto;
    width: 112px;
    height: 26px;
    color: white;
    line-height: 26px;
    font-size: 18px;
    text-align: center;
    background: url("/cn/images/courseWBanner.png") no-repeat;
    background-size: contain;
}

.video_left img.firstVideoImg {
    width: 100%;
    /*height: 100%;*/
}

.video_left .vedio_l_img {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -71px;
    margin-left: -71px;
    opacity: .5;
    filter: alpha(opacity=50)
}

.video_right {
    width: calc(100% - 562px);
    min-width: 550px;
    max-width: 700px;
    float: left;
    margin-left: 40px
}

.vedio_r_bigtitle {
    font-size: 30px
}

.video_right ul li {
    list-style: none;
    margin-top: 15px;
}

.place>li {
    float: left;
    border: 2px #c6c6c6 solid;
    padding: 2px 15px;
    margin-right: 5px;
    margin-bottom: 5px;
    font-size: 12px;
    cursor: pointer;
}

.place>li.on {
    position: relative;
    border: 2px #4a2a86 solid;
}

.place>li.on:after {
    position: absolute;
    display: block;
    content: '';
    bottom: 0;
    right: 0;
    border: 6px solid transparent;
    border-right: 6px #4a2a86 solid;
    border-bottom: 6px #4a2a86 solid;
}

.video_right ul li a {
    color: #808080;
    border: 1px #dcdcdc solid;
    padding: 5px 10px;
    font-size: 12px;
}

.video_right ul li a.on {
    border: 1px #8b0000 solid;
    color: #8b0000;
}

.course-btns>a {
    display: inline-block;
    width: 142px;
    height: 50px;
    line-height: 50px;
    margin-top: 25px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    text-align: center;
    font-size: 20px;
    background: #4a2a86;
    color: #fff;
}

.course-btns>a:last-of-type {
    /*margin-left: 20px;*/
}

.vi_r_price {
    color: #4a2a86;
    font-size: 30px
}

.vi_r_hui {
    color: #9b9b9b;
    text-decoration: line-through;
    font-style: italic
}

.vi_r_bluexian {
    width: 330px;
    margin-top: 10px;
    border-bottom: 1px #4a2a86 solid
}

.vi_r_fenxiang {
    width: 423px;
    padding: 9px;
    margin-top: 10px;
}

.vi_r_fenxiang .fenxiao_dao {
    color: #4a2a86;
}

.vi_r_fenxiang img {
    float: right;
    margin-left: 5px
}

.vi_r_fenxiang .fenxiao_dao {
    float: right;
    margin-left: 5px
}

#jinpClass {
    width: 1180px;
    margin: 0 auto;
    margin-top: 20px
}

.jC_kc {
    color: #4a2a86;
    font-size: 20px
}

.jC_lg_div {
    width: 100%;
    height: 320px;
    margin-top: 10px;
    border: 1px #4a2a86 solid;
    position: relative;
    overflow: hidden;
    padding: 20px 10px 0 10px;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

.jC_lg_div .jC_top_lunbo {
    height: 100%;
}

.jC_lg_div .jC_top_lunbo div.tempWrap {
    height: 100%;
}

.jC_top_lunbo ul {
    height: 100%;
}

.jC_lg_div .jC_top_lunbo ul li {
    line-height: 30px;
    text-align: center
}

.jC_lg_div .jC_top_lunbo ul li .jC_lunbo_img_bf {
    position: absolute;
    top: 15%;
    left: 50%;
    margin-left: -33px;
    opacity: .6;
    filter: alpha(opacity=60)
}

.jC_bottom_div span {
    color: #4a2a86;
    font-size: 18px
}

.jC_top_lunbo ul {
    margin-top: 28px;
    margin-left: 20px;
    width: 1300px
}

.jC_top_lunbo ul li {
    width: 175px;
    height: 244px;
    margin-right: 36px;
    float: left;
    position: relative
}

.jC_top_lunbo ul li .click_buy {
    text-align: center;
    display: block;
    color: #5646bf;
    text-decoration: underline
}

#classJieshao {
    width: 1180px;
    border: 1px #4a2a86 solid;
    margin: 22px auto 30px;
    padding-bottom: 20px;
    background-color: #f5f5f5;
}

.class_jieshao_head {
    width: 100%;
    height: 60px;
    margin-top: 20px
}

.kt_xq_show_rx {
    width: 1086px;
    line-height: 76px;
    border-top: 2px #dfdfdf solid;
    display: none
}

.kt_xq_show_rx ul li {
    height: 50px;
    line-height: 50px;
    font-size: 15px
}

.class_jieshao_head ul li input {
    color: white;
    padding: 10px 20px;
    border: 0;
    margin-left: 8px;
    border-radius: 5px;
    font-size: 16px;
    background-color: #cdcdcd;
    font-family: '微软雅黑';
    outline: none;
}

.class_jieshao_head ul li {
    float: left
}

.keti_xq_bianh .kt_xq_ul li .guany_jian02 {
    position: relative;
    top: 5px
}

.keti_xq_bianh .kt_xq_ul {
    width: 1086px;
    margin-left: 49px
}

.keti_xq_ruxue {
    font-weight: bold;
    color: #4c534c;
    margin-left: 27px
}

.keti_xq_tuofu_bott {
    width: 1058px;
    border-left: 2px #dfdfdf solid;
    border-top: 3px #50b61f solid;
    border-bottom: 2px #dfdfdf solid;
    margin-left: 26px;
    position: relative
}

.keti_xq_tuofu_bott ul li {
    width: 100%;
    height: 76px;
    line-height: 76px
}

.in_ul li:first-child {
    width: 995px;
    margin-left: 35px;
    color: #7f7272
}

.green_J {
    position: absolute;
    top: -14px;
    left: 72px
}

.keti_xq_huismall {
    color: #aba5a7;
    margin-left: 24px
}

.class_jieshao_head ul li input:hover {
    background: #4a2a86;
    cursor: pointer;
    color: white
}

.class_jieshao_head ul li.on input {
    background: #4a2a86;
    cursor: pointer;
    color: white;
    outline: none;
}

#gexing_video {
    width: 1180px;
    height: 200px;
    margin: 0 auto;
    margin-top: 22px
}

.jC_lg_div .div_scroll {
    width: 100%;
    overflow: auto;
    float: left;
    height: auto
}

.jC_lg_div .scroll_container {
    overflow: hidden;
    position: relative;
    background-color: white
}

.jC_lg_div .scroll_absolute {
    position: absolute
}

.jC_lg_div .scroll_horizontal_bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 24px;
    background: green;
    padding-top: 0;
    padding-right: 0;
    padding-bottom: 0;
    padding-left: 0;
    margin: 0
}

.jC_lg_div .scroll_cap {
    display: none
}

.jC_lg_div .scroll_horizontal_bar .scroll_cap {
    float: left
}

.jC_lg_div .scroll_track {
    position: relative;
    background-color: white;
    text-align: left;
    border-top: 1px #4a2a86 solid
}

.jC_lg_div .scroll_drag {
    position: relative;
    top: 0;
    left: 0;
    cursor: pointer;
    background-color: #4a2a86;
}

.jC_lg_div .scroll_horizontal_bar .scroll_track,
.scroll_horizontal_bar .scroll_drag {
    float: left;
    height: 100%
}

.jC_lg_div .scroll_arrow {
    text-indent: -20000px;
    display: block;
    cursor: pointer;
    background-color: white
}

.scroll_arrow_left {
    border-top: 1px #4a2a86 solid;
    border-right: 1px #4a2a86 solid
}

.scroll_arrow_right {
    border-top: 1px #4a2a86 solid;
    border-left: 1px #4a2a86 solid
}

.jC_lg_div .scroll_horizontal_bar .scroll_arrow {
    width: 24px;
    float: left;
    height: 100%
}

.jiangy_xiaz li .p_title {
    margin-left: 20px;
    margin-bottom: 10px;
    font-size: 20px
}

.jiangy_xiaz li ol li {
    border-top: 1px #ededed solid;
    color: #a29e9d;
    padding: 20px
}

.jiangy_xiaz li ol li a {
    color: #678dff;
    text-decoration: underline;
    font-size: 14px;
    float: right
}

.jiangy_xiaz li ol li img {
    width: 20px;
    margin-right: 10px
}

.jiangy_xiaz li ol li span {
    color: #000;
    line-height: 30px;
    font-size: 14px
}

.liuyan_user_big {
    width: 900px;
    margin-left: 20px
}

.liuyan_user_big textarea {
    width: 800px;
    height: 120px;
    border: 1px #a29e9d solid;
    margin-top: 20px
}

.liuyan_user_big input {
    padding: 10px 20px;
    color: white;
    background: #4a2a86;
    border-radius: 5px;
    border: 0;
    float: right;
    margin-right: 100px;
    font-size: 16px
}

.liuyan_user_big ol li {
    padding: 10px;
    overflow: hidden;
}

.imgUser {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    overflow: hidden;
    float: left;
}

.liuyan_user_big ol li img {
    width: 100%;
}

.user_liuyan {
    width: 800px;
    float: left;
    margin-left: 10px
}

.user_liuyan p {
    font-weight: bold
}

.user_liuyan span {
    font-size: 13px
}


/*==========课程介绍css==============*/

.keti_xq_bianh>ul:first-of-type>li div:first-of-type:after {
    /*overflow: auto;*/
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
}

.keti_xq_bianh>ul>li>h2 {
    margin-bottom: 25px;
    text-align: center;
    font-size: 24px;
    font-weight: normal;
}

.keti_xq_bianh>.intr-wrap {
    width: 95%!important;
    margin: auto;
    font-size: 16px;
    font-family: 微软雅黑;
}

.keti_xq_bianh>.intr-wrap,
.keti_xq_bianh>.course-service {
    width: 846px;
    margin: 0 auto;
}


/*适用人群*/

.intr-wrap .intr-person {
    margin-top: 40px;
}

.intr-wrap .intr-person>div {
    width: 100%;
    height: 50px;
    line-height: 50px;
    margin-bottom: 16px;
    -webkit-border-radius: 50px;
    -moz-border-radius: 50px;
    border-radius: 50px;
    -webkit-box-shadow: 0 5px 5px #c4c4c4;
    -moz-box-shadow: 0 5px 5px #c4c4c4;
    box-shadow: 0 5px 5px #c4c4c4;
    overflow: hidden;
    white-space: nowrap;
    -ms-text-overflow: ellipsis;
    text-overflow: ellipsis;
    background-color: #fff;
    font-size: 16px;
}

.intr-wrap .intr-person>div span {
    padding: 0 40px;
    color: #4a2a86;
}


/*课程特色*/

.course-feature {
    margin-top: 60px;
}

.course-feature>ul>li {
    float: left;
    width: 49%;
    height: 265px;
    padding-top: 35px;
    margin-bottom: 20px;
    text-align: center;
    border-bottom: 15px solid #4a2a86;
    background: linear-gradient(to right, #fff, #f9f9f9);
}

.course-feature>ul>li>div {
    width: 58px;
    height: 60px;
    margin: 0 auto;
    background: url("/cn/images/cou-deta-icon.png") 0 0 no-repeat;
}

.course-feature>ul>li:nth-child(2)>div {
    background-position-X: -55px;
}

.course-feature>ul>li:nth-child(3)>div {
    background-position-X: -112px;
}

.course-feature>ul>li:nth-child(4)>div {
    background-position-X: -175px;
}

.course-feature>ul>li>p:first-of-type {
    text-align: center;
    padding: 10px 0 30px 0;
    font-size: 16px;
}

.course-feature>ul>li>p:last-of-type {
    width: 82%;
    margin: 0 auto;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.course-feature>ul>li:nth-child(2n+1) {
    margin-right: 2%;
}


/*
    课程服务
*/


/*学习清单*/

.course-service>.study-list {
    margin-top: 40px;
}

.course-service>.study-list>h2 {
    margin-bottom: 0;
}

.course-service>.study-list>h3 {
    line-height: 40px;
    font-size: 20px;
    font-weight: normal;
    text-align: center;
}

.course-service>.study-list>.item {
    float: left;
    width: 32%;
    height: 265px;
    padding-top: 35px;
    margin-right: 2%;
    border-bottom: 15px solid #4a2a86;
    background: linear-gradient(to right, #fff, #f9f9f9);
}

.course-service>.study-list>.item:last-of-type {
    margin-right: 0;
}

.course-service>.study-list>.item>h6 {
    padding-bottom: 20px;
    font-size: 16px;
    color: #4a2a86;
    text-align: center;
}

.course-service>.study-list>.item>p {
    padding: 0 20px;
    line-height: 26px;
    font-size: 16px;
}


/*课后服务*/

.course-service>.after-service {
    margin-top: 50px;
}

.course-service>.after-service>ul>li {
    margin-bottom: 30px;
}

.course-service>.after-service li>h6 {
    padding-left: 60px;
    line-height: 40px;
    font-size: 16px;
    font-weight: normal;
    color: #4a2a86;
}

.course-service>.after-service li>div {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    width: 100%;
    padding: 20px 50px;
    margin-bottom: 16px;
    -webkit-border-radius: 50px;
    -moz-border-radius: 50px;
    border-radius: 50px;
    -webkit-box-shadow: 0 5px 5px #c4c4c4;
    -moz-box-shadow: 0 5px 5px #c4c4c4;
    box-shadow: 0 5px 5px #c4c4c4;
    background-color: #fff;
}


/*
    授课名师
*/

.keti_teacher_box {
    margin: 0px auto 0;
    width: 90%;
    overflow: hidden;
    padding-bottom: 20px;
}

.image img {
    width: 100%;
    height: 100%;
}

.keti_t_item {
    /*width: 90%;*/
    margin: 30px auto 0;
    display: flex;
    align-items: flex-start;
}

.keti_t_item .image {
    position: relative;
    width: 190px;
    height: 200px;
    margin-right: 30px;
    background: #cdcdcd;
}

.keti_t_item .keti_t_intro {
    padding-top: 30px;
    width: calc(100% - 190px);
}

.keti_t_item .keti_t_intro>h6 {
    display: inline-block;
    padding-bottom: 10px;
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: bold;
}

.keti_t_item .keti_t_intro>.desc {
    height: 78px;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-height: 26px;
    font-size: 14px;
}

.keti_t_item .keti_t_intro>a {
    display: inline-block;
    margin: 15px 0;
    font-size: 16px;
    color: #4a2a86;
}

.keti_t_item .keti_t_intro>.classify {
    font-size: 0;
}

.keti_t_item .keti_t_intro>.classify>span {
    display: inline-block;
    vertical-align: middle;
    margin: 0 15px 5px 0;
    padding: 5px 15px;
    background-color: #4a2a86;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border-radius: 20px;
    color: #fff;
    font-size: 16px;
}

.jiangy_xiaz li .p_title {
    margin-left: 20px;
    margin-bottom: 10px;
    font-size: 20px;
}

.jiangy_xiaz li ol li {
    border-top: 1px #ededed solid;
    color: #a29e9d;
    padding: 20px;
}

.jiangy_xiaz li ol li img {
    width: 20px;
    margin-right: 10px;
}

.jiangy_xiaz li ol li span {
    color: #000;
    line-height: 30px;
    font-size: 14px;
}

.jiangy_xiaz li ol li .download {
    color: #4a2a86;
    text-decoration: underline;
    font-size: 14px;
    float: right;
    cursor: pointer;
}

.btn-s {
    padding: 2px 6px;
    outline: none;
    border: none;
    background: #4a2a86;
    color: white;
}

#numT {
    border: none;
    outline: none;
    text-align: center;
}

.numBox {
    margin-top: 20px;
}

.area {
    display: inline-block;
    border: 2px #c6c6c6 solid;
    padding: 2px 15px;
    margin-right: 5px;
    margin-top: 15px;
    font-size: 12px;
    position: relative;
}

.area.on {
    border: 2px #4a2a86 solid;
}