@charset "utf-8";
.mobile_login_after{
    position:fixed;
    background:#fff;
    width:100%;
    height:100%;
    z-index:9999;
    left: 0;
    top: 0;
}
.mobile_login_after h2{
    font-size:24px;
    color:#000;
    text-align:center;
    margin-top:20%;
    font-weight:bold;
}
.mobile_login_after p{
    font-size:16px;
    padding:15px;
    text-align:center;
    color:#000;
}
.mobile_login_after span{
    font-size:16px;
    text-align:center;
    color:#da1b1b;
}
.mobile_login_after div{
    font-size:14px;
    padding:10px 45px;
    text-align:center;
    color:#646464;
    margin-bottom:10%;

}
.mobile_login_after button{
    background:#da1b1b;
    color:#fff;
    height:50px;
    font-size:16px;
    margin:auto;
    display:block;
    padding:10px 40px;
    font-weight: bold;
}
.clear {
    clear: both;
}
.teacher_content {
    width: 1200px;
    margin: 0 auto 300px;
    min-height: 1000px;
}
.t_blog_box_top {
    height: 390px;
    width: 100%;
    background: #a3ccff;
    position: relative;
}
.t_blog_box_top_ps {
    line-height: 24px;
    font-size: 16px;
    width: 520px;
    height: 260px;
    margin-left: 55px;
    padding-top: 35px;
    overflow: hidden;
}
.blog_from {
    margin-left: 55px;
    font-size: 30px;
    font-weight: 100;
}
.blog_from b {
    font-size: 100%;
}
.t_blog_box_top ul {
    position: absolute;
    margin-right: 80px;
    width: 400px;
    height: 300px;
    right: 0;
    top: 40px;
}
.t_blog_box_top ul li {
    width: 300px;
    height: 300px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.76);
    border-radius: 5px;
    position: absolute;
    -webkit-transform-origin: center center;
    -moz-transform-origin: center center;
    -ms-transform-origin: center center;
    -o-transform-origin: center center;
    transform-origin: center center;
    -webkit-transition: 0.4s ease;
    -moz-transition: 0.4s ease;
    -ms-transition: 0.4s ease;
    -o-transition: 0.4s ease;
    transition: 0.4s ease;
}
.t_blog_box_top ul li:nth-child(2) {
    margin-left: 40px;
}
.t_blog_box_top ul li:nth-child(3) {
    margin-left: 80px;
}
.t_blog_box_top ul li.line1 {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
    z-index: 10;
    border: 1px solid #da1b1b;
    border-radius: 5px;
}
.t_blog_box_top ul li.line2 {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
    z-index: 9;
}
.t_blog_box_top ul li.line3 {
    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    -ms-transform: scale(0.8);
    -o-transform: scale(0.8);
    transform: scale(0.8);
    z-index: 8;
}
.t_blog_box_top ul li>div {
    width: 300px;
    height: 300px;
    background: #fff;
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    box-shadow: 0 0 15px 0 #000;
    border-radius: 5px;
    overflow: hidden;
}
.t_blog_box_top ul li>div img {
    max-width: 303px;
    max-height: 303px;
    background: #fff;
}
/* 地址头部结束,老师主页头部开始 */

.teacher_content_top {
    width: 1200px;
    height: 135px;
    border-bottom: 10px solid #da1b1b;
}
.teacher_content_top_l {
    width: 500px;
    float: left;
    margin-left: 50px;
    margin-top: 30px;
}
.teacher_content_top_l_l {
    float: left;
}
.teacher_content_top_l_l img {
    max-width: 90px;
    max-height: 90px;
}
.teacher_content_top_l_r {
    float: left;
    margin-left: 20px;
    width: 370px;
}
.teacher_content_top_l_r p * {
    line-height: 24px;
    font-size: 16px;
}
.modify_icon {
    background: url(../images/teacher/teacher_icon.png) -17px -12px;
    width: 30px;
    height: 30px;
    cursor: pointer;
}
.teacher_content_top_r {
    width: 400px;
    float: right;
}
.teacher_content_top_ps {
    color: #707070;
    height: 36px;
    line-height: 18px;
    font-size: 16px;
}
.teacher_content_top_r ul li {
    float: left;
    width: 100px;
    height: 100px;
    text-align: center;
    font-size: 24px;
    margin: 0 50px;
    color: #707070;
    cursor: pointer;
}
.teacher_hi {
    background: url(../images/teacher/teacher_icon.png) 18px -75px;
    width: 100px;
    height: 80px;
    display: block;
}
.teacher_ci {
    width: 100px;
    height: 80px;
    display: block;
    background: url(../images/teacher/teacher_icon.png) 18px -175px;
}
.teacher_li {
    width: 100px;
    height: 80px;
    display: block;
    background: url(../images/teacher/teacher_icon.png) 18px -280px;
}
.teacher_content_top_r ul li.selected .teacher_hi {
    background: url(../images/teacher/teacher_icon.png) -121px -75px;
}
.teacher_content_top_r ul li.selected .teacher_ci {
    background: url(../images/teacher/teacher_icon.png) 25% -175px;
}
.teacher_content_top_r ul li.selected .teacher_li {
    background: url(../images/teacher/teacher_icon.png) -121px -280px;
}
.teacher_content_top_r ul li.selected {
    color: #da1b1b;
}
.t_blog_box {
    /* display: none; */
    min-height: 400px;
    margin-bottom: 200px;
}
.t_blog_box_l {
    /* display: none; */
    float: left;
    width: 400px;
    padding-top: 40px;
    margin-right: 10px;
}
.t_b_box {
    width: 100%;
    height: 36px;
}
.t_b_box * {
    font-size: 16px;
}
.t_b_box .t_b_l {
    float: left;
    text-align: right;
    width: 138px;
    height: 36px;
}
.t_b_box .t_b_r {
    float: left;
    width: 250px;
    height: 36px;
    margin-left: 5px;
}
.t_blog_box_r {
    width: 790px;
    float: left;
    min-height: 240px;
}
.t_blog_box_r_top {
    padding-top: 50px;
    height: 160px;
}
.t_blog_box_r_top_l {
    float: left;
    width: 130px;
}
.t_blog_box_r_top_r {
    float: left;
    width: 630px;
}
.t_blog_box_r_top_r textarea {
    width: 630px;
    height: 96px;
    border: 1px solid #bbbbbb;
    box-sizing: border-box;
    resize: none;
    padding: 5px;
    font-size: 16px;
}
.blog_publish {
    width: 96px;
    background: #da1b1b;
    text-align: center;
    line-height: 20px;
    color: #fff;
    padding: 5px 0;
    font-size: 16px;
    float: right;
    cursor: pointer;
    margin-top: 10px;
}
.recent_box {
    width: 100px;
}
.recent_left {
    float: left;
}
.recent_img_box .img_box {
    width: 96px;
    height: 96px;
    border: 1px solid #a9a9a9;
    position: relative;
    display: table-cell;
    text-align: center;
    vertical-align: middle;
}
.imageInfo_remove {
    z-index: 20;
}
.recent_img_box .img_box.have {
    z-index: 19;
}
.recent_ps_left {
    width: 180px;
    height: 180px;
    margin-top: 30px;
    float: left;
}
.recent_left .recent_img_box {
    margin-left: 0;
}
.recent_ps_right_btn {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.recent_ps_right_btn input[type="button"] {
    width: 96px;
    height: 96px;
}
.recent_right {
    float: right;
}
.recent_img_box {
    width: 96px;
    height: 96px;
    float: left;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid #bbb;
}
.imageInfo_remove {
    position: absolute;
    width: 20px;
    height: 33px;
    background: url(../images/new_login.png) no-repeat -9px -260px;
    right: 2px;
    top: -10px;
    cursor: pointer;
    display: none;
}
.filse-close {
    width: 30px;
    height: 30px;
    position: absolute;
    left: 108px;
    top: -66px;
    z-index: 2;
}
.filse-close:after {
    content: '';
    width: 1px;
    height: 30px;
    position: absolute;
    transform: rotate(135deg);
    background: #000;
    left: 15px;
}
.filse-close:before {
    content: '';
    width: 1px;
    height: 30px;
    position: absolute;
    transform: rotate(-135deg);
    background: #000;
    left: 15px;
}
.filse-p {
    z-index: 9;
    position: relative;
    background: transparent !important;
}
.filse-p #barrageImg_send_btn {
    position: absolute;
    left: 50px;
    top: -11px;
    border: 2px solid;
}
.input-left {
    border: none;
    vertical-align: middle;
    width: 330px;
    height: 36px;
    text-indent: 0.5em;
    position: absolute;
    left: -190px;
    top: -70px;
}
.files-browse {
    width: 48px;
    height: 48px;
    cursor: pointer;
    color: transparent;
    background: transparent;
}
.files {
    position: absolute;
    right: 2px;
    top: 2px;
    height: 26px;
    cursor: pointer;
    filter: Alpha(opacity=0);
    -moz-opacity: 0;
    opacity: 0;
}
.filse-p input[type="button"] {
    opacity: 0;
}
.img_box img {
    max-width: 100%;
    max-height: 100%;
}
.hide {
    display: none;
}
.date {
    display: block;
    padding-top: 50px;
    height: 50px;
    width: 100%;
}
.date .day {
    font-size: 40px;
    font-weight: 800;
    color: #da1b1b;
}
.date .month {
    font-size: 20px;
    font-weight: 800;
    color: #da1b1b;
}
.blog_box_left {
    width: 150px;
    height: 150px;
    float: left;
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid #a9a9a9;
}
.blog_box_right {
    float: left;
    margin-left: 30px;
    height: 175px;
    position: relative;
}
.blog_delete {
    width: 26px;
    height: 26px;
    position: absolute;
    bottom: 24px;
    left: 90px;
    background: url(../images/delete.png) no-repeat;
}
.blog_box_txt {
    height: 120px;
    width: 560px;
    line-height: 24px;
    font-size: 16px;
    overflow: hidden;
    word-break: break-word;
}
.blog_box_img {
    width: 150px;
    height: 150px;
    position: relative;
    text-align: center;
    vertical-align: middle;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.blog_box_img img {
    max-width: 100%;
    max-height: 100%;
}
.heart {
    background: url(../images/teacher/heart.png) no-repeat left top;
    line-height: 30px;
    font-size: 16px;
    color: #da1b1b;
    padding-left: 28px;
    cursor: pointer;
}
.heart.have {
    background: url(../images/teacher/heart_i.png) no-repeat left top;
}
/* 博客结束 */

.t_course_box .course_box {
    width: 1200px;
    height: 100px;
    margin-bottom: 60px;
}
.course_box_img {
    float: left;
}
.course_box_img img {
    max-width: 230px;
    max-height: 125px;
    display: block;
    margin-bottom: 10px;
    margin-left: 150px;
}
.course_box_img img:nth-child(1) {
    margin-right: 10px;
}
.course_box_txt {
    float: left;
    margin-left: 30px;
    width: 700px;
    height: 200px;
}
.course_class {
    line-height: 26px;
    width: 130px;
    text-align: center;
    border: 1px solid #8a8a8a;
    margin-right: 20px;
    border-radius: 30px;
    font-size: 14px;
    float: left;
}
.course_title p:nth-child(1) {
    width: 400px;
    white-space: nowrap;
    overflow: hidden;
    display: block;
    text-overflow: ellipsis;
    line-height: 20px;
    color: #da1b1b;
    font-size: 16px;
    font-weight: 800;
}
.course_title p:nth-child(2) {
    width: 400px;
    white-space: nowrap;
    overflow: hidden;
    display: block;
    text-overflow: ellipsis;
    line-height: 20px;
    color: #da1b1b;
    font-size: 16px;
    font-weight: 200;
    margin-bottom: 5px;
}
.course_name a {
    background: url(../images/teacher/book.png) no-repeat 26px 4px;
    float: left;
    margin-left: 77px;
    padding-left: 74px;
    width: 450px;
    white-space: nowrap;
    overflow: hidden;
    display: block;
    text-overflow: ellipsis;
    line-height: 36px;
    height: 36px;
    font-size: 16px;
}
.course_date {
    border-left: 1px solid #000;
    height: 36px;
    float: left;
}
.course_date p {
    line-height: 18px;
    width: 80px;
    white-space: nowrap;
    overflow: hidden;
    display: block;
    text-overflow: ellipsis;
    font-size: 14px;
    padding-left: 12px;
}
.course_ps .course_ps_more {
    position: absolute;
    top: 3em;
    right: 0;
    width: 75px;
    text-align: right;
    font-size: 16px;
    display: block;
    background: linear-gradient(90deg, rgba(132, 55, 55, 0) 0%, rgb(255, 255, 255) 30%, #fff 51%, #fff 100%);
}
.course_ps_en .course_ps_more {
    position: absolute;
    top: 3em;
    right: 0;
    width: 86px;
    text-align: right;
    font-size: 16px;
    background: linear-gradient(90deg, rgba(132, 55, 55, 0) 0%, rgb(255, 255, 255) 30%, #fff 51%, #fff 100%);
}
.course_ps, .course_ps_en {
    position: relative;
    width: 700px;
    max-height: 4.5em;
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.5em;
    overflow: hidden;
    word-wrap: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.t_course_box {
    margin-bottom: 220px;
    margin-top: 40px;
    position: relative;
    float: left;
    width: 910px;
}
.t_love_box {
    margin-top: 50px;
    padding-bottom: 300px;
}
.t_love_box_l {
    width: 488px;
    float: left;
    margin-right: 80px;
}
.t_love_box_l_img {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    height: 488px;
    width: 488px;
}
.t_love_box_l_img img {
    max-width: 100%;
    min-height: 100%;
}
.t_love_box_r {
    float: left;
    width: 600px;
}
.t_love_box_r ul {
    height: 220px;
    width: 520px;
}
.t_love_box_r ul li {
    width: 90px;
    height: 90px;
    float: left;
    margin: 0 40px 20px 0;
}
.t_love_box_r ul li i {
    width: 92px;
    height: 92px;
    display: block;
}
.love_f {
    background: url(../images/teacher/teacher_icon.png) no-repeat -0px -387px;
}
.love_qq {
    background: url(../images/teacher/teacher_icon.png) no-repeat -127px -387px;
}
.love_wx {
    background: url(../images/teacher/teacher_icon.png) no-repeat -259px -387px;
}
.love_tt {
    background: url(../images/teacher/teacher_icon.png) no-repeat -389px -387px;
}
.love_yt {
    background: url(../images/teacher/teacher_icon.png) no-repeat -0px -496px;
}
.love_in {
    background: url(../images/teacher/teacher_icon.png) no-repeat -127px -496px;
}
.love_li {
    background: url(../images/teacher/teacher_icon.png) no-repeat -259px -496px;
}
.love_gg {
    background: url(../images/teacher/teacher_icon.png) no-repeat -389px -496px;
}
.love_thank {
    background: url(../images/teacher/english.png) no-repeat;
    width: 430px;
    height: 60px;
    display: block;
    margin-top: 30px;
}
.love_thank+p {
    width: 480px;
    height: 160px;
    line-height: 24px;
    font-size: 18px;
}
.course_connect_top {
    width: 100%;
    height: 256px;
    background: #e2e2e2;
    padding-top: 36px;
    margin: auto;
}
.course_connect_top_title {
    width: 1200px;
    margin: 0 auto;
}
.course_connect_top_title_l {
    float: left;
    width: 666px;
}
.course_box_top_img {
    border-top: 1px solid transparent;
    /*    margin-left: 36px;*/
    float: left;
    margin-right: 88px;
}
.course_ps_box {
    border-top: 1px solid #b1b1b1;
    border-bottom: 1px solid #b1b1b1;
    width: 470px;
    height: 56px;
    margin-top: 50px;
    float: left;
    position: relative;
}
.course_type_r * {
    color: #000;
}
.course_type_r {
    float: left;
    width: 100%;
    padding-top: 4px;
    position: absolute;
    top: -50px;
}
.course_type_box {
    color: #000;
    font-size: 16px;
    float: left;
    margin-top: 4px;
    margin-left: 2px;
    width: 100%;
    display: none;
}
.course_ps_box .course_type_box {
    display: block;
}
.course_type_box span {
    font-size: 16px;
    line-height: 1.3;
    text-transform: capitalize;
}
.course_type_box p {
    font-size: 16px;
    line-height: 1.3;
}
.course_connect_top_title h2:nth-child(1) {
    /*  padding-top: 45px;
     */
    font-weight: bold;
}
.course_connect_top_title h2 {
    font-size: 24px;
    color: #000;
    width: 500px;
    font-weight: normal;
    line-height: 30px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.course_connect_top_title .book {
    background: url(../images/book_icon.png) 0px -55px no-repeat;
    padding-left: 50px;
    height: 50px;
    margin-top: 10px;
    width: 550px;
    margin-left: 40px;
}
.course_type_r span:nth-child(1){
    font-size: 16px;
    display:inline-block;
    margin-right:20px;
    line-height:24px;
    margin-left: 0 !important;
}
.course_type_r span:nth-child(2){
    font-size:16px;
    display:inline-block;
    margin-left: 0 !important;
}
.course_connect_top_title .book span {
    line-height: 24px;
    display: block;
    font-size: 16px;
    color: #fff;
    cursor: pointer;
}
.list_txt_box .book>span.course_title_en {
    white-space: nowrap;
    overflow: hidden;
    display: block;
    text-overflow: ellipsis;
    width: 100%;
}
.list_txt_box .book>span.course_title_ch {
    white-space: nowrap;
    overflow: hidden;
    display: block;
    text-overflow: ellipsis;
    width: 100%;
    height: 18px;
}
.course_box_top_img a {
    display: block;
}

.course_box_top_img img {
    /* height: 210px; */
    max-width: 392px;
}
.mobile_course_box_nav, .course_box_nav {
    background: #fff;
    -webkit-transition: 0.5s ease;
    -o-transition: 0.5s ease;
    transition: 0.5s ease;
    height: 54px;
    width: 870px;
    border: 1px solid #e4e4e4;
    border-top: 7px solid #da1b1b;
    background: #fff;
}
.mobile_course_box_nav ul li, .course_box_nav ul li {
    font-size: 16px;
    float: left;
    width: 178px;
    line-height: 24px;
    border-right: 1px solid #8a8a8a;
    margin-top: 5px;
    text-align: center;
    cursor: pointer;
}
.course_box_nav ul li.selected a,.mobile_course_box_nav ul li.selected a{
    color: #da1b1b;
}
.course_box_nav ul li:last-child,.mobile_course_box_nav ul li:last-child{
    border: none;
}
.course_box_li_teacher {
    display: block;
    margin-left: 60px;
    width: 810px;
}
.course_box_li_t_signature {
    margin-top: 15px;
    line-height: 1.5;
    font-size: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid #8a8a8a;
    margin-bottom: 10px;
    border-top: none;
}
.course_box_li_t_city {
    font-size: 24px;
    font-weight: bold;
    color: #000;
    margin-bottom: 30px;
}
.course_box_li_t_zwjs {
    line-height: 1.5;
    font-size: 16px;
    word-break: break-word;
    font-family: '微软雅黑', Arial;
    /*    width: 100%;*/
    display: block;
    white-space: normal;
}
.course_box_li_t_img {
    margin: 10px 0;
    float: left;
    /* width: 40%; */
}
.course_connect {
    min-width: 1200px;
    margin: 0 auto 360px;
    width: 1200px;
}
.teacher_content .course_box {
    height: 200px;
    margin-bottom: 0;
}
.course_box_title {
    margin-left: 40px;
    width: 300px;
    float: left;
    margin-top: 30px;
}
.course_box_title p, .course_box_price p {
    /* font-size: 16px; */
    line-height: 24px;
    color: #000;
}
.course_box_title p span, .course_box_price p span {
    font-size: 16px;
}
.course_box_price {
    margin-top: 20px;
    width: 226px;
}
.mobile_b_l .free_class{
    margin-top:0 !important;
    color: #da1b1b;
    font-size: 28px;
}
.course_box_price >.free_class{
    display: block;
    float: none !important;
    color: #da1b1b;
    font-size: 28px;
    margin: 15px 0px;
}
.mobile_b_l .free_class{
    margin:0;
    margin-top: 4px !important;
    margin-left:15px;
}
.course_box_price p:first-child {
    float: left;
}
.course_box_price .now_price {
    font-size: 36px;
    /* float: right; */
    font-weight: bold;
    margin-left: -5px;
}
.course_box_price .original {
    color: #737373;
    font-size: 18px;
    text-decoration: line-through;
    display: inline-block;
    margin-left: 24px;
    padding-top: 5px;
}
/*.course_box_price .original:after{
    content: '';
    width: 100%;
    height: 5px;
    background: #da1b1b;
    position: absolute;
    left: 3px;
    top: 40%;
    opacity: 0.5;
}*/

.now_point_price {
    text-align: left;
    font-size: 18px;
}
.course_box_btn b {
    font-size: 21px;
    margin-top: 5px;
    display: block;
    text-align: center;
}
.course_box_btn span {
    font-size: 16px;
    display: block;
    text-align: center;
}
.course_box_btn {
    float: left;
    margin-top: 50px;
    width: 182px;
    height: 58px;
    text-align: center;
    color: #fff;
    background: #da1b1b;
    cursor: pointer;
}
.course_box_study {
    background: #f4f4f4;
    width: 588px;
    border: 1px solid #e1e1e1;
    float: left;
    position: relative;
}
.course_box_study h1 {
    line-height: 42px;
    height: 42px;
    font-size: 16px;
    color: #da1b1b;
    padding-left: 20px;
    border-bottom: 10px solid;
    font-weight: bold;
}
.course_box_study span {
    position: absolute;
    right: 20px;
    top: 0;
    line-height: 42px;
    font-size: 14px;
    cursor: pointer;
}
.course_box_study_ul p:last-child {
    border-bottom: 10px;
}
.course_box_study_ul p i {
    color: #d18e8c;
    margin-right: 10px;
    font-size: 18px!important;
    position: absolute;
    left: 0;
    top: 10px;
}
.course_box_study_ul p {
    font-size: 16px;
    line-height: 24px;
    position: relative;
}
.course_box_plan {
    float: left;
    width: 188px;
    margin: 15px;
}
.course_box_plan h1 {
    font-size: 16px;
    border-bottom: 1px solid #da1b1b;
    line-height: 16px;
    padding-bottom: 5px;
    color: #da1b1b;
    font-weight: bold;
}
.course_box_plan .t_b_box {
    height: 110px;
}
.course_box_plan .t_b_box .t_b_l {
    width: 44%;
    float: left;
    font-size: 16px;
    line-height: 40px;
}
.course_box_plan .t_b_box .t_b_r {
    width: 56%;
    float: left;
    font-size: 16px;
    line-height: 40px;
    margin-left: 0;
}
.t_b_box_ps {
    font-size: 16px;
    line-height: 20px;
    color: #363636;
    padding-top: 10px;
}
.course_box_ps {
    float: left;
    width: 380px;
    font-size: 16px;
    line-height: 24px;
    margin-top: 30px;
}
.course_ask_box {
    margin: 50px 0;
    border: 1px solid #e1e1e1;
    padding: 30px;
}
.course_ask_box h1 {
    font-size: 18px;
    font-weight: bold;
}
.chinese_txt {
    line-height: 28px;
    font-size: 16px;
}
.english_txt {
    line-height: 24px;
    font-size: 16px;
}
.course_data_box {
    width: 586px;
    margin-right: 30px;
    float: left;
    font-size: 18px;
}
.course_data_box p {
    line-height: 36px;
    border-bottom: 10px solid #da1b1b;
    font-size: 18px;
}
.course_data_ps h2 {
    font-size: 18px;
    line-height: 20px;
    font-weight: bold;
    margin-bottom: 5px;
}
.course_data_ps {
    margin-top: 10px;
}
.course_ask_box_list {
    width: 870px;
    float: left;
    overflow: auto;
    overflow: overlay;
    height: 415px;
    /* margin-top: 40px; */
}
.course_data:after {
    content: '';
    position: absolute;
    width: 20px;
    height: 4px;
    background: #da1b1b;
    left: 10px;
    top: 25px;
}
.course_data:before {
    content: '';
    position: absolute;
    width: 20px;
    height: 4px;
    background: #da1b1b;
    left: 10px;
    top: 25px;
    transform: rotate(90deg);
    -webkit-transition: .2s ease;
    -moz-transition: .2s ease;
    -ms-transition: .2s ease;
    -o-transition: .2s ease;
    transition: .2s ease;
}
.course_data.selected ul {
    display: block!important;
}
.course_data.selected:before {
    content: '';
    position: absolute;
    width: 20px;
    height: 4px;
    background: #da1b1b;
    left: 10px;
    top: 25px;
    transform: rotate(360deg);
}
.course_data {
    position: relative;
    margin-bottom: 5px;
    border: 1px solid #e1e1e1;
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
    background: #f3f3f3;
}
.course_data p {
    line-height: 54px;
    width: clac(100% - 10px);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    height: 54px;
    font-size: 16px;
    background-color: #f3f3f3;
    padding-left: 45px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 10px;
}
.data_num {
    font-style: normal;
    line-height: 45px;
    margin-right: 10px;
    position: absolute;
    right: 0;
    top: 0;
    font-size: 16px;
    color: #000;
}
.course_data ul {
    display: none;
}
.course_data li:after {
    content: '';
    position: absolute;
    content: "";
    position: absolute;
    left: 22px;
    top: 16px;
    width: 0;
    height: 0;
    border-left: 6px solid #fff;
    border-radius: 2px;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}
.course_data li:before {
    content: '';
    background: #878787;
    width: 18px;
    height: 18px;
    display: block;
    position: absolute;
    left: 15px;
    top: 13px;
    border-radius: 10px;
}
.no_live>span:nth-child(1){
    color:#Da1b1b;
    display: block;
    font-size: 14px;
}
.course_data li.no_live{
    font-size:12px;
    line-height:14px
}
.course_data li.no_live:after{
    content:'';
}
.course_data li.no_live:before{
    content: '';
    position: absolute;
    height: 28px;
    width: 4px;
    background: #da1b1b;
    left: 18px;
    top: 12px;
}
.course_data li {
    line-height: 20px;
    border-bottom: 1px solid #e1e1e1;
    font-size: 14px;
    position: relative;
    padding: 12px 20px 12px 45px;
    word-break: break-word;
    background: #fff;
}
.course_data li:last-child {
    border: none;
}
.next_time span, .data_num span {
    font-size: 14px;
}
.next_time {
    font-style: normal;
    line-height: 45px;
    margin-right: 5px;
    position: absolute;
    right: 0;
    top: 0;
    font-size: 14px;
    color: #5895de;
}
.teacher_about {
    margin-top: 60px;
    background: #da1b1b;
    /* height: 170px; */
}
.teacher_left {
    margin-left: 15px;
    /* text-align: center; */
    float: left;
    height: 170px;
}
.teacher_left img {
    max-width: 100%;
    max-height: 100%;
}
.teacher_right {
    margin-left: 50px;
    float: left;
}
.teacher_right p:nth-child(1) {
    height: 80px;
    margin-top: 20px;
}
.teacher_right p:nth-child(2) {
    font-weight: bold;
}
.teacher_right p {
    font-size: 16px;
    color: #fff;
}
.teacher_a_box .t_blog_box_l {
    width: 450px;
    float: left;
    margin-top: 00px;
    margin-left: 40px;
    margin-right: 100px;
}
.teacher_a_box_ps {
    float: left;
    width: 600px;
    font-size: 16px;
    line-height: 24px;
    margin-top: 20px;
}
.teacher_a_box .t_blog_box_l .t_b_l, .teacher_a_box .t_blog_box_l .t_b_r {
    float: none;
    text-align: left;
}
.teacher_a_box .t_blog_box_l .t_b_l {
    line-height: 20px !important;
    height: 20px
}
.teacher_a_box {
    height: 300px;
}
.course_box_li_t_img img{
    display: block;
    margin: 10px 0;
}
.red_pop_alert{
    width: 400px;
    height: 270px;
    border: 1px solid #da1b1b;
    position: fixed;
    left: 50%;
    top: 50%;
    background: #fff;
    z-index: 16;
    margin-left: -200px;
    margin-top: -135px;
}

.red_pop_delete{
    position: absolute;
    right: 10px;
    top: 10px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    z-index: 59;
}
.red_pop_delete:after{
    content:'';
    width:1px;
    height:30px;
    position:absolute;
    transform:rotate(135deg);
    background: #000;
    left: 15px;
    box-shadow: 0 0 1px 1px #fff;
}
.red_pop_delete:before{
    content:'';
    width:1px;
    height:30px;
    position:absolute;
    transform:rotate(-135deg);
    background: #000;
    left: 15px;
    box-shadow: 0 0 1px 1px #fff;
}
.red_pop_content{
    vertical-align: middle;
    height: 180px;
    display: table-cell;
    text-align: center;
    width: 400px;
    padding: 0 20px;
}
.red_pop_content>div{
    text-align: center;
    font-size: 24px;
    color: #000;
    padding: 0 36px;
}
.red_pop_ok{
    width: 160px;
    height: 46px;
    border-radius: 10px;
    background: #da1b1b;
    text-align: center;
    line-height: 46px;
    color: #fff;
    cursor: pointer;
    margin: 0 auto;
    display: block;
    font-size: 16px;
}
.red_pop{
    content: '';
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 999;
    background: rgba(0,0,0,.3);
}
@media only screen and (max-width: 480px) {
    .mobile_title_box .followcourse{
        display:none;
    }
    .red_pop_alert{
        width:90%;
        height: 200px;
        border-radius:15px;
        font-size:16px;
        border: none;
        position: fixed;
        left: 5%;
        top: 50% ;
        background: #fff;
        margin-left:0!important;
        z-index: 16;
        margin-top: -100px;
    }
    .red_pop_content>div{
        text-align: center;
        font-size: 18px;
        color: #000;
        padding: 0 36px 0;
    }
    .course_connect_top_title_l *, .teacher_a_box_ps {
        margin-left: 5%!important;
        width: 95%!important;
        /* display: block; */
    }
    .course_box_btn b{
        font-size:16px;
    }
    .red_pop_content{
        height:120px;
    }
    .course_connect_top {
        height: inherit;
    }
    .course_connect_top_title, .course_box_study, .course_data_box, .course_ask_box_list, .course_data, .teacher_about, .teacher_a_box, .t_blog_box_l {
        width: 100%!important;
        margin: 0 !important;
        box-sizing: border-box;
    }

    .course_connect {
        width: 100%!important;
        min-width: 100%!important;
        margin-bottom: 120px;
    }
    .course_box_plan .t_b_box .t_b_l {
        width: 25%!important;
        text-align: left;
    }
    .course_box_plan .t_b_box .t_b_r {
        width: 60%!important;
    }
    .course_box_plan, .course_box_ps {
        width: 90%!important;
        margin: 5%!important;
    }
    .course_box_ps:before {
        content: '课程介绍 Course Info';
        display: block;
        color: #da1b1b;
        font-weight: 800;
        font-size: 18px;
        margin-bottom: 10px;
    }
    .course_ask_box {
        background: #da1b1b;
        color: #fff;
        border: none;
    }
    .course_connect_top_title .book {
        width: 80%!important;
        padding-left: 30px;
    }
    .course_ps_box {
        border: none;
        margin-bottom: 0;
        display: block;
        float: left;
        /* display: none; */
        height: 40px;
        width: 44%!important;
        margin: 0;
    }
    .mobile_show:before{
        content:'';
        font-size:18px;
    }
    .mobile_show{
        font-size:18px;
        margin-left:0!important;
        font-weight:bold;
        display: block !important;
    }

    .course_type_r, .course_type_r p, .course_type_r p span {
        margin-left: 0px!important;
        line-height: 30px;
        width: 100%!important;
        display: none;
    }
    .course_type_r span:nth-child(1){
        width: 60% !important;
        margin: 0;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
    }
    .course_type_r span:nth-child(2) {
        width: 30% !important;
        font-size: 12px;
        display: inline-block;
        margin-left: 5px !important;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
        line-height: 24px;
        color: #545454;
    }
    .course_type_r p:nth-child(1) {
        font-weight: bold;
        font-size: 18px;
        width: 40% !important;
        float: left;
    }
    .course_connect_top_title_l {
        display: none;
        float: none!important;
        /* padding-bottom: 30px; */
        width: 100%;
        height: 220px;
        position: relative;
    }
    .course_connect_top_title_l>a {
        display: block;
        width: 95% !important;
        /* height: 70px; */
    }
    .course_connect_top_title_l>.course_type_box {
        display: block;
        width: 100%!important;
        /* float: left; */
        background: #fff;
        position: relative;
        height: 60px;
        margin: 0;
        padding: 0;
        line-height: 60px;
        margin-left: 0 !important;
        padding-left: 5%;
        box-sizing: border-box;
    }
    .course_connect_top_title_l>.course_type_box p {
        display: inline;
        line-height: 1.5;
        font-size: 14px;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
    }
    .course_box_top_img img {
        width: 100%;
        height: inherit !important;
        margin-bottom: 0 !important;
        display: none;
    }
    .t_course_box .course_box {
        width: 100%!important;
        height: inherit !important;
    }
    .course_box_title p:nth-child(1) {
        font-weight: bold;
    }
    .course_box_study {
        border: none!important
    }
    .course_ask_box_list {
        margin-bottom: 50px!important;
    }
    #doc-ft, #doc-hd {
        display: none!important;
    }
    .course_ask_box .course_data_ps .chinese_txt, .course_ask_box .course_data_ps .english_txt {
        padding: 0!important;
    }
    .course_data_box p {
        padding: 0 5%;
        color: #da1b1b;
        font-weight: bold;
    }
    .course_data_ps h2 {
        padding: 0 5%;
    }
    .teacher_right p:nth-child(1) {
        height: 60px;
        position: absolute;
        left: 5%;
        width: 90%;
        bottom: 0px;
        margin-top: 0 !important;
    }
    .teacher_about {
        padding-bottom: 80px;
        position: relative;
        height: inherit !important;
    }
    .teacher_left {
        width: 90%;
        margin-top: 5%;
        height: inherit !important;
        max-height: 200px !important;
    }
    .teacher_right {
        margin-left: 5%;
        width: 90%;
        margin-top: 5%;
    }
    .teacher_a_box .t_b_l {
        float: left !important;
        margin-left: 5% !important;
        height: 40px!important;
        width: 25% !important;
    }
    .teacher_a_box .t_b_r {
        float: left!important;
        height: 40px!important;
    }
    .t_b_box {
        height: 120px;
    }
    .t_blog_box_l {
        padding-top: 10px;
    }
    .chinese_txt, .english_txt {
        padding: 10px 5%;
    }
    .course_box_study_ul {
        padding: 0;
    }
    .course_box_title, .course_box_price {
        margin-left: 5%!important;
        margin-top: 3%;
    }
    .course_box_top_img {
        display: block !important;
        width: 96%;
        padding: 0;
        margin: 0 2%;
        float: none;
        display: none !important;
    }
    .course_connect_top_title h2 {
        font-size: 20px;
    }
    .course_box_study h1 {
        background: #fff;
    }
    .course_ps_box .course_type_box {
        display: none;
    }

    .course_type_box span {
        font-size: 16px;
        padding-left: 0!important;
        margin-left: 0 !important;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
        max-width: 360px;
        display: block;
        line-height: 60px;
        height: 60px;
    }
    .course_type_box p {
        font-size: 14px;
        padding-left: 16px!important;
        margin-left: 0 !important;
        display: inline;
    }
    .course_connect_top_title h2 {
        margin-left: 0 !important;
        width: 90%;
        display: block;
        width: 90%!important;
    }
    .course_connect_top_title h2:first-child {
        font-weight: bold !important;
        padding-top: 10px;
        font-size: 20px;
        display: block;
        width: 90%!important;
    }
    .course_box_price p:first-child {
        text-align: left;
        color: #da1b1b;
        font-size: 24px;
    }
    .course_box_price .now_price {
        float: none;
        display: block;
    }
    .course_box_price {
        width: 50% !important;
        display: block;
        float: left;
        margin-top: 20px;
        margin-left: 0 !important;
        position: absolute;
        left: 0;
        bottom: 7px;
    }
    .now_point_price {
        display: block;
        /* float: left; */
        text-align: left;
        color: #da1b1b !important;
    }
    .original {
        /* position: absolute !important; */
        /* left: 40%; */
        float: left;
        font-size: 12px !important;
        /* margin-left: 5px; */
        /* margin-top: 20px !important; */
        text-decoration: line-through;
        /* padding: 0 10px; */
        height: 30px;
        width: 80px;
        line-height: 30px;
        color: #929292;
        margin-left: 10px;
        width: 45%!important;
    }
    .course_connect_top_title_l>a.course_box_btn {
        margin: 0 !important;
        float: right;
        margin-bottom: 0;
        /* display: none; */
        width: 50% !important;
        position: absolute;
        bottom: 0;
        right: 0;
    }
    .teacher_about {
        height: inherit !important;
        position: relative;
        padding-bottom: 70px !important;
    }
}
.course_data li.list_show:after {
    content: 'Live';
    width: 40px;
    text-align: center;
    border-radius: 10px;
;
    background: #da1b1b;
    display: block;
    color: #fff;
    height: 18px;
    border: none;
    left: 10px;
    top: 12px;
}
.list_show:before {
    display: none !important;
}
.list_show {
    background: url(../images/teacher/list_icon.png) no-repeat 62px;
}
.list_free {
    background: url(../images/teacher/list_free.png) no-repeat right;
    padding-right: 50px;
}
.free_box {
    background: url(../images/teacher/free_icon.png) no-repeat;
    width: 198px;
    height: 115px;
    position: relative;
    margin-top: -158px;
    cursor: pointer;
    float: right;
}
.course_box_li_details {
    margin-top: 40px;
}
.li_details_l {
    padding-right: 50px;
    float: left;
    font-size: 16px;
    box-sizing: border-box;
    width: 186px;
}
.li_details_l p:nth-child(1) {
    color: #Da1b1b;
    /* text-align: left; */
    padding-left: 20px;
    line-height: 1.5;
    font-size: 16px;
}
.li_details_l p {
    font-size: 16px;
    text-align: right;
    line-height: 1.2;
}
.li_details_r {
    font-size: 16px;
    line-height: 1.5;
    min-height: 50px;
    margin-bottom: 40px;
    float: left;
    width: 680px;
}
.li_details_r .li_details_guide .t_b_l {
    float: left;
}
.li_details_guide * {
    font-size: 16px;
    font-weight: bold;
    line-height: 1.5
}
.t_course_teacher_box {
    float: right;
    width: 266px;
    height: 232px;
    border: 1px solid #cacaca;
    border-top: 7px solid #da1b1b;
    margin-top: 40px;
    margin-bottom: 60px;
}
.t_course_teacher_box img {
    width: 174px;
    height: 174px;
    margin: 0 auto;
    display: block;
    margin-top: 10px;
}
.t_course_teacher_box p {
    font-size: 22px;
    line-height: 2;
    text-align: center;
    width: 100%;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.teacher_follow {
    line-height: 30px;
    font-size: 16px;
    border: 1px solid #9b9b9b;
    display: inline-block;
    padding: 0 15px;
    border-radius: 8px;
    float: right;
    color: #da1b1b;
    margin-top: 16px;
    cursor: pointer;
}
.t_course_teacher_other {
    float: right;
    width: 266px;
}
.t_course_teacher_other>p {
    line-height: 24px;
    font-size: 16px;
    border-bottom: 5px solid #da1b1b;
    margin-bottom: 10px;
}
.t_course_teacher_other ul li {
    margin-bottom: 30px;
}
.t_course_teacher_other ul img {
    width: 266px;
}
.t_course_teacher_other ul li a>p {
    line-height: 1.2;
    font-size: 14px;
}
/* 移动端样式 */

.mobile_top_box, .mobile_bottom_box {
    display: none;
}
.mobile_teacher_box {
    display: none;
}
@media only screen and (max-width: 480px) {
    .mobile_hide,
    .course_box_btn{
        display:none;
    }
    .course_box_nav{
        border-top: none;
    }
    .course_connect .t_course_box, .teacher_a_box_ps {
        margin-bottom: 50px;
        margin-top: 0;
    }
    .mobile_top_box {
        height: 60px;
        width: 100%;
        background: #fff;
        position: fixed;
        left: 0;
        top: 0;
        background-color: #fff;
        box-shadow: 0 2px 20px rgba(7, 17, 27, .2);
        z-index: 9999;
        display: block;
    }
    .mobile_top_box ul {
        width: 100%;
        height: 46px;
        margin-top: 3px;
    }
    .mobile_top_box ul li {
        width: 33%;
        height: 46px;
        box-sizing: border-box;
        float: left;
        margin-top: 5px;
        position: relative;
    }
    .mobile_top_box ul li.selected {
        color: #da1b1b;
    }
    .mobile_top_box ul li.selected:after {
        /*  content: ''; */
        bottom: -12px;
        height: 7px;
        width: 100%;
        background: #da1b1b;
        left: 0;
        display: block;
        position: absolute;
    }
    .mobile_top_box ul li p:nth-child(1) {
        text-align: left;
        font-size: 18px;
        padding-left: 15px;
        font-weight: bold;
        line-height: 24px;
        margin-top: 0px;
    }
    .mobile_top_box ul li p:nth-child(2) {
        text-align: left;
        font-size: 16px;
        padding-left: 15px;
        font-weight: normal;
    }
    .mobile_top_box ul li:nth-child(1), .mobile_top_box ul li:nth-child(2) {
        border-right: 1px solid #bdbcbc;
    }
    .mobile_bottom_box {
        display: none;
        height: 50px;
        width: 100%;
        line-height: 50px;
        background: #fff;
        padding: 15px 0 25px;
        background-color: #fff;
        /* box-shadow: 0 -2px 20px rgba(7,17,27,.2); */
        z-index: 9999;
    }
    .course_connect_top.fixed_top_mobile {
        position: fixed;
        top: 0px;
        left: 0;
        z-index: 99;
        transition: 0.2s ease;
        margin-top: 0;
    }
    .mobile_bottom_box.fixed_bottom_mobile {
        position: fixed;
        left: 0;
        bottom: 0;
        padding: 0;
        -webkit-transition: 0.5s ease;
        -o-transition: 0.5s ease;
        transition: 0.5s ease;
        box-shadow: 0 -2px 20px rgba(7, 17, 27, .2);
        height: 60px;
    }
    .mobile_bottom_box.fixed_bottom_mobile .course_box_btn {
        height: 60px;
        line-height: 60px;
    }
    .mobile_bottom_box.fixed_bottom_mobile .now_point_price {
        display: none;
    }
    .mobile_bottom_box.fixed_bottom_mobile .mobile_b_l p {
        margin-top: 5px;
    }
    .mobile_bottom_box.fixed_bottom_mobile .original {
        margin-left: 5px;
        margin-top: 8px !important;
    }
    .now_price {
        font-size: 24px;
        font-weight: bold;
        line-height: 28px;
        width: 45%!important;
    }
    .mobile_b_l {
        width: 49%;
        box-sizing: border-box;
        float: left;
        /* padding-right: 5%; */
        margin-top: 10px;
        padding-left: 2%;
    }
    .mobile_b_r {
        width: 51%;
        box-sizing: border-box;
        float: right;
    }
    .mobile_b_l .now_price {
        text-align: left;
        color: #da1b1b;
        font-size: 22px;
        height: 30px;
        float: left;
        /* width: 80px; */
        line-height: 30px;
    }
    .mobile_b_l .now_point_price {
        font-size: 16px;
        color: #da1b1b;
        line-height: 20px;
        display: block;
        position: relative;
        clear: both;
        font-weight: bold;
        margin-left: 5%;
    }
    .mobile_b_r .course_box_btn {
        border-radius: 0;
        margin: 0;
        height: 50px;
        line-height: 50px;
        background: #da1b1b;
        color: #fff;
        font-size: 16px;
        width: 100%;
    }
    .mobile_b_r .course_box_btn p {
        display: inline-block;
        font-size: 18px
    }
    .course_box .course_box_btn {
        display: none;
    }
    .mobile_info {
        display: block;
        padding-top: 0;
    }
    .mobile_learn {
        display: none;
    }
    .mobile_curriculum {
        /* display: none; */
        height: inherit;
    }
    .mobile_course_box_nav, .course_box_nav, .t_course_box, .li_details_r {
        width: 100%;
    }
    .mobile_course_box_nav, .course_box_nav {
        border-left: none;
        border-right: none;
        margin: 0;
    }
    .course_box_nav{
        display: none;
    }
    .free_box {
        position: fixed;
        /* display: none; */
        left: -18px;
        bottom: 55px;
        z-index: 999;
    }
    .mobile_course_box_nav ul li , .course_box_nav ul li {
        width: 33%;
    }
    .li_details_l p:nth-child(1){
        text-align:left;
    }
    .li_details_l {
        width: 90%;
        padding-right: 10px;
        float: none;
        text-align: left;
        margin-bottom: 12px;
    }
    .li_details_r {
        width: 94%;
        box-sizing: border-box;
        padding-left: 20px;
        float: none;
    }
    .li_details_l p:nth-child(2) {
        font-size: 14px;
        text-align: left;
        padding-left: 20px;
        color: #a1a1a1;
        display: none;
    }
    .course_box_li {
        margin-top: 0;
    }
    .course_box_li_teacher, .mobile_teacher_box {
        width: 100%;
        margin: 0;
        display: block;
    }
    .t_course_teacher_other {
        display: none;
    }
    .mobile_teacher_box_r {
        float: right;
        font-size: 18px;
        width: 50%;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
        margin-top: 10px;
    }
    .mobile_teacher_box_r .course_box_li_t_city {
        margin: 0;
        font-weight: normal;
        font-size: 16px;
        display: block;
        line-height: 24px;
    }
    .mobile_teacher_box_r .teacher_follow {
        margin-left: 0;
        margin-top: 75px;
        color: #da1b1b;
        float: left;
        margin-top: 30px;
    }
    .course_box_li_t_signature {
        margin: 10px 5%;
    }
    .course_box_li_t_city {
        display: none;
    }
    .course_box_li_t_zwjs {
        margin: 10px 5%;
    }
    .t_course_teacher_other {
        margin: 0 5%;
        float: left;
        width: 90%;
    }
    .t_course_teacher_other>p {
        font-weight: bold;
        font-size: 18px;
        line-height: 32px;
    }
    .t_course_teacher_other ul li p {
        font-size: 16px;
    }
    .t_course_teacher_other ul li img {
        width: 100%;
    }
    .t_course_teacher_box {
        display: none;
    }
    .mobile_teacher_box p {
        float: right;
        font-size: 20px;
        font-weight: bold;
        line-height: 2;
        /* text-align: center; */
        width: 100%;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
        /* margin-top: 30px; */
    }
    .mobile_teacher_box img {
        width: 40%;
        margin-left: 5%;
        margin-top: 5%;
        display: inline-block;
    }
    .course_box_li_t_img img{
        width: 90%;
        margin-left:5%;
        margin-bottom:10px
    }
}

.appteacher{
    display:none;
}
.course_box_li_details .course_box_top_img{
    display: none;
}
.mobile_course_box_nav{
    display: none;
}
/*老师首页*/
.mobile_title_box{
    display:none;
}
.course_box_li_catalog{
    padding: 3%;
}
.course_box_li_catalog .pic {
    padding-bottom: 20px;
    min-height: 280px;
}
.course_box_li_catalog .pic img{
    width: 60%;
    max-width: 250px;
}
.course_box_li_catalog .c_txt h2{
    font-size: 18px;
}
.course_box_li_catalog .c_txt p{
    font-size: 16px;
}
.course_box_li_catalog .leftbor {
    margin-top: 40px;
    border: 1px solid #f57b7b;
    border-left: 9px solid #da1b1b;
    padding-left: 20px;
    height: 60px;
    /* position: absolute;
    left: 45%; */
    width: 45%;
    top: 150px;
    background: #fff;
}
.li_details_r>p{
    line-height: 1.2;
    margin-bottom: 10px;
}
.version{
    /* position: absolute;
    left: 62%; */
    top: 260px;
    color: #da1b1b;
}
.course_box_li_catalog .leftbor p:nth-child(1){
    margin-bottom: 5px;
    border-bottom: 1px solid #f57b7b;
    padding-bottom: 0px;
    margin-right: 20px;
    margin-top: 7px;
}
.course_box_li_catalog .about {
    margin-top: 30px;
    font-size: 20px;
    line-height: 2em;
}
.course_box_li_catalog .about h3{
    font-size: 18px;
    font-weight: bold;
}
.course_box_li_catalog .about p{
    border-bottom: 1px solid #da1b1b;
    font-size: 16px;
    line-height: 1;
    padding-bottom: 10px;
}
.course_box_li_catalog .about .content{
    margin:3% 0 200px 0;
    line-height: 1.5;
    font-size: 16px;
    white-space: pre-line;
    font-family: "微软雅黑","sans-serif";
}
.course_box_li_catalog hr{
    height: 5px;
    opacity: 0;
}
@media only screen and (max-width: 480px) {
    .course_box_li_catalog .leftbor{
        /* position: absolute; */
        /* left: 40%; */
        margin-top: 5px;
        width: 70%;
    }
    .course_box_li_catalog .leftbor p{
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile_course_box_nav{
        display: block;
        border-top: none;
    }
    .mobile_title_box{
        display:block;
        padding: 5%;
    }


    .appteacher{
        display:block;
    }
    .teacher_content,.t_blog_box_r,.teacher_content_top{
        width: 100%;
    }
    .t_blog_box_r_top_r textarea{
        width: 96%;
        margin: auto 2%;
        zoom: 0.8;
    }

    .t_blog_box_r_top_l{
        width:25%;
        zoom:0.8;
    }
    .t_blog_box_r_top_r{
        width: 75%;
    }
    .imageflow,.t_b_box,.t_blog_box_top,
    .teacher_content_top,
    .t_blog_box {
        display: none;
    }
    .t_blog_box_top_ps,.teacher_content_top_l{
        width:100%;
        margin: auto;
    }
    .teacher_content_top_l_r{
        width:50%;
        margin-left: 5%;
    }
    .course_box_txt{
        width: 94%;
        margin-left: 3%;
        height: 120px;
    }
    .teacher_me:after{
        content:'';
        display:block;
        width:30px;
        height:15px;
        margin-top:-3px;
        background:#fff;
        border:3px solid #848484;
        border-radius:30px 30px 0px 0px;
    }
    .teacher_me:before{
        content:'';
        display:block;
        width:20px;
        height:20px;
        margin-left:5px;
        background:#fff;
        border:3px solid #848484;
        border-radius:30px;
    }
    .teacher_me{
        margin: auto;
        width: 40px;
        height: 50px;
        display: block;
        padding-top: 30px;
    }
    .teacher_content_top_r ul li{
        margin: 0;
        width: 50%;
        height:130px;
        border-bottom:3px solid #d8d8d8;
        font-size: 20px;
    }
    .teacher_content_top_r{
        width:100%;
        margin-bottom:5%
    }
    .teacher_hi,.teacher_ci{
        width: 60px;
        margin: auto;
    }
    .teacher_content_top_r ul li.selected .teacher_me:after{
        border:3px solid #da1b1b;
    }
    .teacher_content_top_r ul li.selected .teacher_me:before{
        border:3px solid #da1b1b;
    }
    .teacher_content_top_r ul li.selected{
        border-bottom:3px solid #da1b1b;
    }
    .teacher_hi {
        background: url(../images/teacher/teacher_icon.png) 21px -75px;
    }
    .teacher_content_top_r ul li.selected .teacher_ci {
        background: url(../images/teacher/teacher_icon.png) 33% -175px;
    }
    .teacher_ci {
        background: url(../images/teacher/teacher_icon.png) 0 -175px;
    }
    .teacher_content_top_r ul li.selected .teacher_hi {
        background: url(../images/teacher/teacher_icon.png) -118px -75px;
    }
    .teacher_content_top_l_l{
        width: 40%;
        height: 40%;
        margin-left: 3%;
    }
    .teacher_content_top_l_l img{
        max-width: 100% !important;
        max-height: 100% !important;
    }
    .teacher_content_top_ps{
        height: 100px;
        clear: both;
        margin-top: 20px;
        overflow: hidden;
    }
    .appteacher_hi_statement{
        clear:both;
        display:block;
        width: 94%;
        margin: auto;
        font-size: 16px;
    }
    .appteacher_hi_img_box img{
        width:94%;
        margin:3%;
        display:block;
    }
    .t_blog_box_r_top{
        /* display: none; */
        padding: 0;
        height: 200px;
    }
    .blog_box_txt{
        width:100%;
        height: inherit;
        min-height: 80px;
    }
    .blog_box_right{
        width: 60%;
        height: inherit;
        margin-left: 10px;
        min-height: 130px;
    }
    .date{
        width:90%;
        margin:0 auto 20px;
        padding: 0;
    }
    .course_box_img img {
        max-width: 94%;
        max-height: inherit;
        display: block;
        margin-bottom: 10px;
        margin-left: 10px;
        margin: 3%;
    }
    .t_course_box{
        margin-top:0;
    }
    .course_date{
        display:none;
    }
    .course_name a{
        width: 90%;
        margin-left:0;
        padding-left: 10%;
        background: url(../images/teacher/book.png) no-repeat 0 4px;
    }
    .course_title p{
        width:60% !important;
    }
    .course_class {
        line-height: 26px;
        text-align: left;
        border: 1px solid #8a8a8a;
        margin-right: 20px;
        border-radius: 30px;
        font-size: 14px;
        float: left;
        max-width: 90%;
        height: 26px;
        padding: 0 2%;
        white-space: nowrap;
        overflow: hidden;
        display: block;
        text-overflow: ellipsis;
        margin-bottom: 5px;
        width: max-content;
        margin-top: -150px;
        background: #fff;
        margin-left: 3%;
    }
    .blog_box_left{
        zoom:0.5;
        margin-left: 3%;
        height: 210px;
        position: relative;
    }
    .blog_box_img{
        height:210px;
    }

}
.course_title p{
    width: 94% !important;
    margin: 0 3%;
}
.course_class,.course_ps,.course_ps_en{
    display: none;
}

.mobile_title_box{}
.mobile_title_box img{max-width:  100%;max-height: 210px;}
.mobile_title_zrpd{
    padding: 10px 0 15px;
    border-bottom: 1px solid #d8d8d8;
    margin-bottom: 5px;
}
.mobile_title_zrpd p{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 0;
    margin-right: 10px;
    font-size: 16px;
}
.mobile_title_ps{
    color: #da1b1b;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 10px;
    font-size: 16px;
    padding: 10px 0 5px;
    border-bottom: 1px solid #d8d8d8;
    margin-bottom: 5px;
}
.mobile_title_date{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 50px;
    font-size: 16px;
    padding: 10px 0 15px;
    border-bottom: 1px solid #d8d8d8;
    margin-bottom: 5px;
}
.mobile_title_cumm{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 10px;
    font-size: 16px;
    padding: 10px 0 15px;
    border-bottom: 1px solid #d8d8d8;
    margin-bottom: 5px;
}
.fc_no:after{
    content:'关注课程';
}
.fc_no{
    background: url(../images/heart.png) no-repeat left /36px;
}
.fc_yes{
    background: url(../images/heart_s.png) no-repeat left /36px;
}
.fc_yes:after{
    content:'已关注';
}
.followcourse{
    display: inline-block;
    width: 70px;
    height: 36px;
    cursor: pointer;
    padding-left: 40px;
    line-height: 36px;
    font-size: 16px;
    color: #da1b1b;
    float: right;
}
.mobile_title_box .followcourse {
    width: 1px;
    position: relative;
}
.mobile_title_box .followcourse.fc_no:after{
    content:'+关注';
    font-size: 12px;
    position: absolute;
    left: 0;
    top: 24px;
    width: 48px;
}.mobile_title_box .followcourse.fc_yes:after{
     content:'已关注';
     font-size: 12px;
     position: absolute;
     left: 0;
     top: 24px;
     width: 48px;
 }
/**/
.MyAlert {
    width: 360px;
    height: 243px;
    position: absolute;
    top: 30%;
    left: 50%;
    margin-left: -150px;
    padding: 20px 0px 0px 32px;
;
    background: #fff;
    border-radius: 5px;
    border: 1px solid #da1b1b;
    box-sizing: border-box;
}

.MyAlert_i {
    padding-bottom: 10px;
    font-size: 20px;
    color: #f83;
}

.MyAlert_box {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99999;
}

.MyAlert_item {
    padding-top: 10px;
}

.MyAlert_blubg {
    float: left;
    width: 130px;
    height: 47px;
    margin-right: 30px;
    background: #da1b1b;
    line-height: 47px;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
}

.MyAlert_blubg2 {
    float: left;
    width: 130px;
    height: 47px;
    background: #b2b2b2;
    line-height: 47px;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
}

.pyes {
    width: 20px;
    height: 20px;
    display: inline-block;
    background: url(/public/School/source/yes.png);
    margin-left: 10px;
}

.MyAlert_No1 {
    width: 130px;
    height: 47px;
    background: #b2b2b2;
    line-height: 47px;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    margin-left: 88px;
}


/* 鍗曟寜閽�*/

.MyAlert_dan {
    width: 130px;
    height: 47px;
    margin-right: 30px;
    background: #da1b1b;
    line-height: 47px;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    float: left;
}
.MyAlert_dan1{
    width: 130px;
    height: 47px;
    margin-right: 30px;
    background: #da1b1b;
    line-height: 47px;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    margin-left: 80px;
}

/*弹框样式*/

.red_pop_delete {
    position: absolute;
    right: 10px;
    top: 10px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    z-index: 59;
}

.operation_ul_i_span {
    max-height: 67px;
    display: inline-block;
    max-width: 117px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}