@charset "utf-8";

.mbx {
    padding-top: 15px;
    padding-bottom: 15px;
    position: relative;
}

.mbx p {
    color: #9ca9b2;
}

.mbx p a {
    color: #9ca9b2;
}

#course-main {
    background: #fff;
    box-shadow: 0px 0px 5px #d6d6d6;
    border-radius: 6px;
}

.course-main {
    padding: 20px;
    overflow: hidden;
    display: table;
}

.course-main .course-main-left {
    position: relative;
    width: 790px;
    display: table-cell;
}

.course-main .course-main-left:before {
    content: '';
    width: 1px;
    height: 100%;
    position: absolute;
    background: #e9eaec;
    right: 0;
}

.course-main .cosperiod {
    font-size: 12px;
    margin-top: 5px;
    color: #9ca9b2;
}

.course-main .cosperiod span {
    padding: 5px;
}

.course-main .course-main-right {
    padding: 10px;
    padding-top: 0;
    position: relative;
    width: 350px;
    display: table-cell;
}

.course-main .course-main-right .promotion__box {
    position: absolute;
    background-color: #ec6b6e;
    background-image: linear-gradient(to right, #ec6b6e, #f3876d);
    color: #fff;
    top: -20px;
    height: 40px;
    left: -1px;
    width: 391px;
    overflow: hidden;
}

.course-main .course-main-right .hide {
    display: none;
}

.course-main .course-main-right .promotion__box p {
    float: left;
    font-weight: bold;
    padding-top: 10px;
    padding-left: 15px;
    font-size: 16px;
}

.course-main .course-main-right .promotion__box .countdown {
    float: right;
    padding-top: 12px;
    padding-right: 5px;
}

.course-main .course-main-right .promotion__box .countdown span {
    color: #f83d34;
    background: #fff;
    padding: 1px 3px;
    margin: 0px 5px;
    border-radius: 4px;
}

.course-main-left .title {
    color: #18243e;
    font-size: 24px;
    font-weight: bold;
}

.course-main-left .label {
    overflow: hidden;
    padding: 15px 0px;
}

.course-main-left .label label {
    background: #ffebea;
    float: left;
    padding: 5px 10px;
    display: inline-block;
    color: #525a6d;
    margin-right: 10px;
    border-radius: 4px;
    font-size: 12px;
}

.course-main-left ul {
}

.course-main-left ul li {
    padding-bottom: 1px;
    padding-top: 6px;
}

.course-main-left ul li:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.course-main-left ul li label {
    float: left;
    color: #9ba7b5;
    line-height: 29px;
}

.course-main-left ul li .subject_list {
    float: left;
    width: 650px;
    padding-right: 70px;
    position: relative;
    overflow: hidden;
    padding-top: 10px;
}

.moreCourse {
    position: absolute;
    right: 15px;
    top: 38px;
    color: #f53f31;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.moreCourse em {
    font-style: normal;
}

.moreCourse i {
    color: #adadad;
    padding-left: 5px;
}

.course-main-left ul li .subject_list span {
    color: #464c5c;
    border: 1px solid #dddee2;
    display: inline-block;
    padding: 4px 20px;
    float: left;
    cursor: pointer;
    margin: 0px 4px;
    margin-bottom: 10px;
    position: relative;
}

.course-main-left ul li .subject_list span em {
    background-color: #ec6b6e;
    background-image: linear-gradient(to right, #ec6b6e, #f3876d);
    color: #fff;
    font-style: normal;
    font-size: 12px;
    position: absolute;
    top: -10px;
    right: -17px;
    padding: 0px 8px;
    border-radius: 26px;
    z-index: 2;
}

.course-main-left ul li .subject_list span em:before {
    content: "";
    width: 0;
    height: 0;
    border-top: 7px solid #f2846d;
    border-right: 7px solid transparent;
    position: absolute;
    top: 15px;
}

.course-main-left ul li .subject_list span.active {
    border: 1px solid #f33f2e;
    color: #f33f2e;
    background: url("../images/pic_1.png") no-repeat right bottom;
}

.course-main-left ul li p.appropriate {
    color: #464c5c;
    float: left;
    padding: 4px 0px;
}

.course-main-left ul li p.promise {
    color: #464c5c;
    float: left;
    padding: 4px 0px;
    width: 700px;
}

.course-main-left ul li p.promise span {
    background: url("../images/pic_2.png") no-repeat left 3px;
    padding-left: 20px;
    padding-bottom: 10px;
    display: inline-block;
    margin-right: 15px;
}

.course-main-left ul li .teacher {
    float: left;
    overflow: hidden;
    width: 717px;
}

.course-main-left ul li .teacher .item {
    float: left;
    margin-right: 20px;
}

.course-main-left ul li .teacher .item img {
    width: 46px;
    height: 45px;
    border-radius: 50%;
}

#mode {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    display: none;
}

.course-main-left ul li .teacher .item p {
    text-align: center;
    color: #464c5c;
    padding-top: 5px;
    font-size: 13px;
}

.course-main-right .price {
    color: #f83d34;
    font-size: 16px;
    padding-left: 9px;
    position: relative;
    top: 30px;
}

.course-main-right .price span {
    color: #f83d34;
    font-weight: bold;
    font-size: 28px;
    padding-left: 5px;
}

.course-main-right .price s {
    color: #808695;
    padding-left: 12px;
    font-size: 14px;
}

.course-main-right .gift {
    padding-top: 35px;
    padding-left: 10px;
    color: #515a6e;
}

.course-main-right .gift .gift__top {
    cursor: pointer;
    -moz-user-select: none;
    /*火狐*/
    -webkit-user-select: none;
    /*webkit浏览器*/
    -ms-user-select: none;
    /*IE10*/
    -khtml-user-select: none;
    /*早期浏览器*/
    user-select: none;
}

.course-main-right .gift .gift__top span {
    color: #f53f31;
    padding: 0px 2px;
}

.course-main-right .gift .gift__top i {
    padding-left: 3px;
}

.course-main-right .gift ul {
    padding-top: 10px;
    padding-bottom: 95px;
}

.course-main-right .gift ul li {
    font-size: 13px;
    margin-bottom: 10px;
}

.course-main-right .gift ul li:last-child {
    margin-bottom: 0;
}

.course-main-right .gift ul li span {
    background: #ebeae9;
    padding: 2px 10px;
    font-size: 12px;
    border-radius: 3px;
}

.course-main-right .buy__box {
    position: absolute;
    width: 350px;
    bottom: 0;
}

.course-main-right .buy__box a {
    padding: 8px 46px;
    display: inline-block;
    border-radius: 4px;
    font-size: 16px;
    float: left;
}

.course-main-right .buy__box .btn_box {
    overflow: hidden;
}

.course-main-right .buy__box .btn_box a.btn_1 {
    background-color: #ec6b6e;
    /* 不支持线性的时候显示 */
    background-image: linear-gradient(to right, #ec6b6e, #f3876d);
    color: #fff;
    border: 1px solid #ec6b6e;
    margin-left: 10px;
    margin-right: 20px;
}

.course-main-right .buy__box .btn_box a.btn_2 {
    border: 1px solid #f53f31;
    color: #f53f31;
}

.course-main-right .mode {
    overflow: hidden;
    padding: 10px 0px;
    margin-top: 10px;
    padding-left: 10px;
}

.course-main-right .mode label {
    float: left;
    color: #7e807b;
}

.course-main-right .mode span {
}

.course-main-right .mode .item {
    float: left;
    display: inline-block;
}

.course-main-right .mode .item span {
    padding-left: 20px;
    color: #7e807b;
    margin-right: 10px;
}

.course-main-right .mode span.weixin {
    background: url("../images/pic_4.png") no-repeat left center;
    background-size: 18px;
}

.course-main-right .mode span.zhifubao {
    background: url("../images/pic_5.png") no-repeat left center;
    background-size: 18px;
}

.course-main-right .mode span.huabei {
    background: url("../images/pic_6.png") no-repeat left center;
    background-size: 18px;
}

.course-main-right .mode span.xinyongka {
    background: url("../images/pic_7.png") no-repeat left center;
    background-size: 25px;
    padding-left: 26px;
}

.course-main-right .mode .item span:last-child {
    margin-right: 0;
}

.w-1200.content {
    margin-top: 20px;
}

.content .content__left {
    width: 810px;
    float: left;
}

.content .content__left .content__left__top {
    background: #fff;
    border-radius: 4px 4px 0px 0px;
}

.content .content__left .content__left__top .navs {
    border: 1px solid #e8e9ed;
}

.content .content__right {
    width: 370px;
    float: right;
}

.content::after {
    content: "";
    display: block;
    clear: both;
}

.content .content__left .content__left__top .navs ul {
}

.content .content__left .content__left__top .navs ul li {
    float: left;
    color: #454c5c;
    padding: 15px 20px;
    position: relative;
    cursor: pointer;
    padding-top: 20px;
    margin: 0;
    font-size: 16px;
}

.content .content__left .content__left__top .navs ul::after {
    content: "";
    display: block;
    clear: both;
}

.content .content__left .content__left__top .navs ul li.active {
    color: #f53f31;
}

.content .content__left .content__left__top .navs ul li.active:before {
    content: '';
    width: 70px;
    height: 2px;
    background: #f53f31;
    display: block;
    position: absolute;
    bottom: 0;
    left: 16px;
}

.content .content__left .content__left__top .navs ul li.catalogue:after {
    content: '试听';
    width: 46px;
    height: 20px;
    background: #f53f31;
    display: block;
    position: absolute;
    text-align: center;
    border-radius: 20px;
    color: #fff;
    line-height: 20px;
    top: 4px;
    right: -21px;
    font-size: 12px;
}

.content .content__left .content__left__top .navs ul li.catalogue {
    margin-right: 30px;
}

.content .content__left .content__left__top .navs__list {
    position: relative;
    display: none;
    border: 1px solid #e9eaec;
    border-top: none;
    border-bottom: 1px solid #e8e9ed;
    position: relative;
}

.navs__list {
}

.content .content__left .content__left__top .navs__list ul {
    width: 770px;
    float: left;
    padding: 10px;
    height: 26px;
    overflow: hidden;
}

.content .content__left .content__left__top .navs__list ul li {
    float: left;
    padding: 5px 10px;
    color: #454c5c;
    cursor: pointer;
}

.content .content__left .content__left__top .navs__list ul li.active {
    color: #f53f31;
}

.content .content__left .content__left__top .navs__list ul:after {
    content: "";
    display: block;
    clear: both;
}

.content .content__left .content__left__top .navs__list:after {
    content: "";
    display: block;
    clear: both;
}

.content .content__left .content__left__top .navs__list #more {
    color: #454c5c;
    font-size: 23px;
    position: absolute;
    right: 20px;
    top: 14px;
    cursor: pointer;
    z-index: 80;
}

.content .content__left .course__box {
    padding: 20px;
    background: #fff;
    /* margin-top: 10px; */
    border: 1px solid #e8e9ed;
    border-top: none;
    padding-top: 1px;
}

.content .content__left .course__box .course__box1 {
}

.content .content__left .course__box .course__box1 img {
    max-width: 100%;
    height: auto;
}

.h_15 {
    height: 15px;
    display: none;
}

.content .content__left .course__box .item {
    display: none;
}

.content .content__left .course__box .item.active {
    display: block;
}

.content .content__left .course__box .course__box2 {
}

.content .content__left .course__box .course__box2 h3 {
    position: relative;
    color: #12243c;
    padding-left: 15px;
    font-size: 15px;
    margin: 10px 0px;
    margin-top: 20px;
}

.content .content__left .course__box .course__box2 h3:after {
    content: "";
    width: 5px;
    height: 20px;
    background: #f53f31;
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 10px;
}

.content .content__left .course__box .course__box2 .guidance {
    padding-top: 13px;
    padding-left: 15px;
    color: #12243c;
    position: relative;
    font-weight: bold;
    border-bottom: 1px solid #e9eaec;
    padding-bottom: 13px;
    cursor: pointer;
}

.content .content__left .course__box .course__box2 .guidance:after {
    content: "";
    width: 77px;
    height: 9px;
    background: #fc9d99;
    display: block;
    position: absolute;
    left: 12px;
    bottom: 0;
    border-radius: 10px;
    display: none;
}

.content .content__left .course__box .course__box2 .guidance span {
    position: relative;
    z-index: 10;
}

.content .content__left .course__box .course__box2 .guidance i {
    float: right;
    font-size: 20px;
}

.content .content__left .course__box .course__box2 .guidance em {
    float: right;
    font-style: normal;
    background: #f53f31;
    color: #fff;
    border-radius: 30px;
    padding: 2px 9px;
    margin-right: 15px;
}

.chapter {
    display: none;
}

.chapter.open {
    display: block;
}

.course__box2 .box2__item {
    padding-bottom: 20px;
}

.course__box2 .box2__item:last-child {
    padding-bottom: 0;
}

.navs__list__flex {
    position: absolute;
    background: #fff;
    width: 807px;
    border: 1px solid #e8e9ed;
    border-top: none;
    overflow: hidden;
    z-index: 50;
    display: none;
}

.navs__list__flex .bix p {
    float: left;
    float: left;
    padding: 5px 14px;
    color: #454c5c;
    cursor: pointer;
}

.navs__list__flex .bix {
    overflow: hidden;
    padding: 15px;
    padding-right: 55px;
}

.navs__list__flex .bix p.active {
    color: #f53f32;
}

.course__box3 {
}

.course__box3 ul {
}

.course__box3 ul li {
    border-bottom: 1px solid #e8e9ed;
    padding-bottom: 30px;
    padding-top: 30px;
}

.course__box3 ul li .teacher_pic {
    overflow: hidden;
}

.course__box3 ul li .teacher_pic img {
    float: left;
    border-radius: 50%;
    width: 50px;
    height: 50px;
}

.course__box3 ul li .teacher_pic .information {
    float: left;
    padding-left: 10px;
    padding-top: 5px;
}

.course__box3 ul li .teacher_pic p {
    color: #15233e;
    font-weight: bold;
    font-size: 16px;
}

.course__box3 ul li .teacher_pic span {
    color: #484b5e;
    padding-top: 3px;
    display: block;
}

.course__box3 ul li .teacher_date {
    padding-left: 58px;
    padding-top: 10px;
}

.course__box3 ul li .teacher_date p {
    color: #818493;
    line-height: 22px;
}

.course__box3 ul li:last-child {
    border-bottom: none;
}

.content__right .recommendCourse {
    background: #ffffff;
    padding-bottom: 20px;
    border: 1px solid #e8e9ed;
}

.content__right h3.title {
    color: #454c5c;
    font-weight: normal;
    position: relative;
    padding-left: 30px;
    line-height: 54px;
    border-bottom: 1px solid #e8e9ed;
}

.content__right h3.title:after {
    content: "";
    width: 5px;
    height: 20px;
    background: #f53f31;
    display: block;
    position: absolute;
    left: 15px;
    top: 17px;
    border-radius: 10px;
}

.content__right .recommendCourse .item {
    padding: 20px;
    padding-bottom: 0;
}

.content__right .item h3 {
    color: #16253c;
    font-size: 18px;
}

.content__right .recommendCourse .item .main {
    border: 1px solid #e8e9ed;
    padding: 20px 15px;
    border-radius: 6px;
}

.content__right .recommendCourse .item .main ul {
    overflow: hidden;
    padding-top: 10px;
}

.content__right .recommendCourse .item .main ul li {
    float: left;
    background: #fdebeb;
    padding: 5px 10px;
    margin-right: 6px;
    border-radius: 4px;
    color: #4f5a6e;
    margin-bottom: 10px;
    font-size: 12px;
}

.content__right .recommendCourse .item .main .buy {
    overflow: hidden;
    padding-top: 12px;
}

.content__right .recommendCourse .item .main .buy span {
    float: left;
    color: #f53f31;
    font-size: 24px;
    font-weight: bold;
}

.content__right .recommendCourse .item .main .buy span i {
    font-style: normal;
    font-size: 16px;
    font-weight: normal;
    padding-right: 5px;
}

.content__right .recommendCourse .item .main .buy a {
    float: right;
    background-color: #ec6b6e;
    /* 不支持线性的时候显示 */
    background-image: linear-gradient(to right, #ec6b6e, #f3876d);
    color: #fff;
    border: 1px solid #ec6b6e;
    display: inline-block;
    padding: 7px 24px;
    border-radius: 4px;
}

.content__right .news {
    background: #ffffff;
    margin-top: 20px;
    border: 1px solid #e8e9ed;
}

.content__right .news .title a {
    color: #9ea8b4;
    float: right;
    margin-right: 20px;
    font-size: 14px;
}

.content__right .news .title a i {
    font-size: 17px;
    padding-left: 5px;
}

.content__right .news ul {
    padding: 15px 20px;
}

.content__right .news ul li {
    margin-bottom: 12px;
    padding-left: 15px;
    position: relative;
}

.content__right .news ul li:before {
    content: '';
    width: 5px;
    height: 5px;
    background: #494a5c;
    display: block;
    position: absolute;
    left: 0;
    top: 7px;
    border-radius: 50%;
}

.content__right .news ul li a {
    color: #494a5c;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.content__right .news ul li:last-child {
    margin-bottom: 0;
}

.content__right .news ul li a:hover {
    color: #f53f32;
    -moz-transition: ease-out 0.3s;
    -o-transition: ease-out 0.3s;
    -webkit-transition: ease-out 0.3s;
    transition: ease-out 0.3s;
}

.content__right .activity {
    background: #ffffff;
    margin-top: 20px;
    border: 1px solid #e8e9ed;
    padding-bottom: 15px;
}

.activity .item {
    padding: 20px 0px;
    padding-bottom: 0;
}

.activity .item img {
    display: block;
    margin: auto;
    width: 95%;
}

.activity .item p {
    padding-left: 20px;
    padding-top: 15px;
    font-weight: bold;
    color: #15243b;
    font-size: 15px;
}

.activity .item a {
    display: block;
}


/*树级结构*/

.chapter_box .video {
    padding: 12px 5px;
    overflow: hidden;
}

.chapter_box .folder {
    padding: 12px 5px;
    overflow: hidden;
    padding-right: 0;
}

.chapter_box {
    border-bottom: 1px solid #e9eaec;
}

.chapter_box:last-child {
    border-bottom: 1px solid #e9eaec;
}

.chapter_box .classA, .classB {
    cursor: pointer;
    padding-left: 10px;
}

.chapter_box .classB {
    padding: 0px 0px;
    display: none;
}

.chapter_box .classC {
    padding: 0px 0px;
    display: none;
}

.chapter_box p {
    float: left;
    color: #525a6f;
}

.chapter_box p.active {
    color: #f53f32;
}

.chapter_box em {
    float: right;
    font-style: normal;
    color: #f53f32;
    border: 1px solid #f53f32;
    padding: 1px 10px;
    border-radius: 20px;
    cursor: pointer;
    margin-right: 20px;
}

.classATitle {
    overflow: hidden;
}

.chapter_box .classBTitle {
    border-top: 1px solid #e9eaec;
}

.chapter_box .classCTitle {
    border-top: 1px solid #e9eaec;
}

.classA .classATitle.video {
}

.chapter_box .video p {
    background: url("../images/pic_8.png") no-repeat left center;
    padding-left: 25px;
}

.chapter_box .folder i {
    float: right;
    font-size: 20px;
}

.chapter_box.open .classB {
    display: block;
}

.course-main-right .buy__box .btn_box a.btn_1:hover {
    color: #fff;
    -moz-transition: ease-out 0.3s;
    -o-transition: ease-out 0.3s;
    -webkit-transition: ease-out 0.3s;
    transition: ease-out 0.3s;
    background: linear-gradient( 94deg, #f04d3e, #ff9b74);
}

.course-main-right .buy__box .btn_box a.btn_2:hover {
    background: #f53f31;
    color: #fff;
    -moz-transition: ease-out 0.3s;
    -o-transition: ease-out 0.3s;
    -webkit-transition: ease-out 0.3s;
    transition: ease-out 0.3s;
}

.content__right .recommendCourse .item .main .buy a:hover {
    color: #fff;
    background: linear-gradient( 94deg, #f04d3e, #ff9b74);
    -moz-transition: ease-out 0.3s;
    -o-transition: ease-out 0.3s;
    -webkit-transition: ease-out 0.3s;
    transition: ease-out 0.3s;
}


/*侧边栏样式*/
.toolbar-item, .toolbar-layer {
    background: url("/tp/PC/b2c/images/smal_bj.png") no-repeat;
    background-color: #ffffff
}

.toolbar {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 999;
    box-shadow: 0px 0px 10px lightgrey;
}

.toolbar-item {
    display: block;
    width: 54px;
    height: 54px;
    position: relative;
    -moz-transition: background-position 0.5s;
    -ms-transition: background-position 0.5s;
    -o-moz-transition: background-position 0.5s;
    -webkit-moz-transition: background-position 0.5s;
    transition: background-position 0.5s;
}

.toolbar-item:hover .toolbar-layer {
    opacity: 1;
    filter: alpha(opacity=100);
    transform: scale(1);
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
}

.toolbar-item-weixin {
    background-position: 0px -432px;
}

.toolbar-item-weixin:hover {
    background-position: 0px -486px;
}

.toolbar-item-weixin .toolbar-layer {
    height: 105px;
    background: url("https://www.edu-edu.com/tp/PC/b2c/images/wx___gzh.jpg") no-repeat;
    background-size: 93%;
}

.toolbar-item-feedback {
    background-position: 0px -108px;
}

.toolbar-item-feedback:hover {
    background-position: 0px -162px;
}

.toolbar-item-app {
    background-position: 0px -324px;
}

.toolbar-item-app:hover {
    background-position: 0px -378px;
}

.toolbar-item-app .toolbar-layer {
    height: 105px;
    background: url("https://www.edu-edu.com/tp/PC/b2c/images/zkedd.png") no-repeat
}

.toolbar-item-top {
    background-position: 0 -674px;
}

.toolbar-item-top:hover {
    background-position: 0 -736px;
}

.toolbar-layer {
    position: absolute;
    right: 46px;
    bottom: -10px;
    width: 114px;
    opacity: 0;
    filter: alpha(opacity=0);
    transform-origin: 95% 95%;
    -moz-transform-origin: 95% 95%;
    -ms-transform-origin: 95% 95%;
    -o-transform-origin: 95% 95%;
    -webkit-transform-origin: 95% 95%;
    transform: scale(0.01);
    -moz-transform: scale(0.01);
    -ms-transform: scale(0.01);
    -o-transform: scale(0.01);
    -webkit-transform: scale(0.01);
    transition: all 1s;
    -moz-transition: all 1s;
    -ms-transition: all 1s;
    -o-transition: all 1s;
    -webkit-transition: all 1s;
}

.toolbar .toolbar-item {
    border-bottom: 1px solid #d3d3d3
}

.toolbar-item-about {
    border-bottom: 1px solid #d3d3d3
}

.toolbar-item-emal {
    background-position: 0px -216px;
}

.toolbar-item-emal:hover {
    background-position: 0px -270px;
}

.toolbar-item-emal .toolbar-layer {
    height: 52px;
    background: none;
!important;
    position: absolute;
    right: 54px;
    bottom: 0px;
    width: 173px;
    line-height: 50px;
    padding-left: 10px;
    background: #ffffff;
    border: 1px solid #d3d3d3;
    top: 0px;
}

.toolbar-item-feedback .toolbar-layer {
    height: 52px;
    background: none;
!important;
    position: absolute;
    right: 54px;
    bottom: 0px;
    width: 120px;
    font-size: 16px;
    line-height: 50px;
    padding-left: 10px;
    background: #ffffff;
    border: 1px solid #d3d3d3;
    top: 0px;
}

.toolbar-item-about {
    display: block;
    width: 54px;
    height: 54px;
    position: relative;
    background: url("/tp/PC/b2c/images/smal_bj.png") no-repeat;
    background-position: 0px -0px;
    -moz-transition: background-position 0.5s;
    -ms-transition: background-position 0.5s;
    -o-moz-transition: background-position 0.5s;
    -webkit-moz-transition: background-position 0.5s;
    transition: background-position 0.5s;
}

.toolbar-item-about:hover {
    background-position: 0px -54px;
}

.toolbar-item-about img {
    position: absolute;
    height: 140px;
    top: -118px;
    left: -37px;
}

#agentInfo {
    right: 0;
    bottom: 10px;
    position: absolute;
}

#agentInfo a {
    border: 1px solid #ccc;
    padding: 3px 6px 3px 6px;
    border-radius: 5px;
    color: #A9A9A9;
    display: inline-block;
    font-size: 12px;
    background: #fff;
}

/*移动端适配*/
.m_course_price, .m_gift, .m_course-main-course, .m_Mask, .m_select_course, .m_buy_btn_box, #m_agentInfo {
    display: none;
}

@media screen and (max-width: 500px) {
    .mbx, .toolbar {
        display: none;
    }

    #course-main {
        padding-top: 0.3rem;
        border-radius: 0;
    }
    /*活动时的样式*/
    .active-course-main {
        padding-top: 0rem !important;
    }

    .course-main {
        padding: 0.2rem;
        display: block;
    }

    .course-main .course-main-left:before {
        display: none;
    }

    #subject_list {
        display: none;
    }

    #teacher_list {
        display: none;
    }

    .course-main .course-main-right {
        /* display: none!important; */
        position: absolute;
        top: 0.9rem;
        z-index: 100;
        left: 0;
        right: 0;
        width: 100%;
        display: block;
        padding: 0;
    }

    .course-main .course-main-right .promotion__box {
        position: initial;
        width: 100%;
        height: auto;
    }

    .course-main .course-main-right .promotion__box p {
        font-size: 0.3rem;
        padding-left: 0.3rem;
        padding-top: 0;
        line-height: 0.8rem;
    }

    .course-main .course-main-right .promotion__box .countdown {
        font-size: 0.26rem;
        padding-left: 0;
        float: right;
        padding-right: 0.3rem;
        padding-top: 0;
        line-height: 0.8rem;
    }

    .course-main-right .price {
        display: none;
    }

    .course-main-right .buy__box {
        display: none;
    }

    .course-main-left .title {
        font-size: 0.38rem;
        padding: 0.2rem 0;
        padding-top: 0.5rem;
    }

    .course-main-left .label {
        padding: 0.15rem 0;
    }

    .course-main-left .label label {
        margin-right: 0.1rem;
        padding: 0.05rem 0.15rem;
        font-size: 0.22rem;
        margin-bottom: 0.15rem;
    }

    .m_course_price {
        display: block;
        font-size: 0.4rem;
        color: #f83d34;
        font-weight: bold;
        padding: 0.1rem 0;
    }

    .m_course_price s {
        color: #bdbdbd;
        font-size: 0.3rem;
        padding-left: 0.25rem;
    }

    .m_course_price i {
        font-style: normal;
        font-size: 0.26rem;
        font-weight: normal;
        padding-right: 0.08rem;
    }

    .course-main-right .gift {
        display: none;
    }

    .m_course_price span {
    }

    .course-main-left ul li {
        display: grid;
        grid-template-columns: 1.3rem 1fr;
        grid-gap: 0.15rem;
        padding-bottom: 0.1rem;
    }

    .course-main-left ul li label {
        font-size: 0.24rem;
        line-height: initial;
    }

    .course-main-left ul li p.appropriate {
        padding: 0;
        font-size: 0.24rem;
    }

    .course-main-left ul li p.promise {
        padding: 0;
        font-size: 0.24rem;
    }

    .course-main-left ul li p.promise span {
        padding-left: 0.35rem;
        display: block;
        margin-bottom: 0.1rem;
        background: url(../images/pic_2.png) no-repeat left center;
        background-size: 0.25rem;
        padding-bottom: 0;
        padding-right: 6.35rem;
    }

    .m_course-main-course {
        display: block;
        background: #fff;
        margin-top: 0.25rem;
        padding: 0.25rem 0.2rem;
        overflow: hidden;
        margin-bottom: 0.25rem;
        box-shadow: 0px 0px 5px #d6d6d6;
    }

    .m_course-main-course p {
        float: left;
        color: #9ba7b5;
        font-size: 0.24rem;
    }

    .m_course-main-course .m-courseNameList {
        float: left;
        padding-left: 0.25rem;
    }

    .m_course-main-course .m-courseNameList span {
        color: #18223d;
        font-size: 0.24rem;
        display: block;
        padding-bottom: 0.15rem;
    }

    .m_course-main-course .m-courseNameList span:last-child {
        padding-bottom: 0;
    }

    .m_course-main-course em {
        float: right;
        font-style: normal;
        color: #65717f;
        font-size: 0.24rem;
    }

    .m_course-main-course em i {
        font-size: 0.3rem;
        padding-left: 0.1rem;
    }

    .m_Mask {
        position: fixed;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.25);
        display: block;
        z-index: 120;
        display: none;
    }

    .m_select_course {
        display: block;
        background: #fff;
        position: fixed;
        z-index: 200;
        width: 100%;
        bottom: -20rem;
        border-radius: 0.3rem 0.3rem 0 0;
    }

    .navs__list__flex {
        width: 100%;
        border: none;
    }

    .navs__list__flex .bix {
        padding: 0.2rem;
        padding-right: 0.5rem;
        border-bottom: 1px solid #bbb;
    }

    .navs__list__flex .bix p {
        font-size: 0.24rem;
        padding: 0.05rem 0.2rem;
    }

    .course__box3 ul li {
        padding-bottom: 0.2rem;
        padding-top: 0.2rem;
    }

    .w-1200.content {
        margin-top: 0.25rem;
    }

    .course__box3 ul li .teacher_pic img {
        width: 0.9rem;
        height: 0.9rem;
    }

    .course__box3 ul li .teacher_pic .information {
        padding-left: 0.2rem;
        padding-top: 0.1rem;
    }

    .course__box3 ul li .teacher_pic p {
        font-size: 0.28rem;
    }

    .course__box3 ul li .teacher_pic span {
        font-size: 0.24rem;
        padding-top: 0.03rem;
    }

    .course__box3 ul li .teacher_date {
        padding-left: 1.1rem;
        padding-top: 0;
    }

    .course__box3 ul li .teacher_date p {
        font-size: 0.24rem;
        line-height: 0.35rem;
    }

    .m_select_box {
        height: 100%;
        position: relative;
        padding: 0.25rem;
        padding-top: 0.4rem;
        padding-bottom: 0.4rem;
    }

    .m_select_box .title {
        color: #000000;
        font-size: 0.28rem;
    }

    .m_select_box .fa-close {
        position: absolute;
        font-size: 0.35rem;
        top: 0.1rem;
        right: 0.1rem;
        font-weight: normal;
        z-index: 10;
        padding: 0.2rem;
    }

    .m_select_Number {
        color: #f53f31;
        font-weight: bold;
        font-style: normal;
        font-size: 0.42rem;
        padding: 0.18rem 0;
        display: inline-block;
        padding-bottom: 0.3rem;
    }

    .content .content__left .content__left__top .navs__list ul {
        width: 6.5rem;
        height: 0.5rem;
        overflow: hidden;
    }

    .m_select_box ul {
        padding: 0.15rem 0;
        padding-bottom: 0.5rem;
        overflow: hidden;
        max-height: 4rem;
        overflow-y: auto;
    }

    .m_select_box ul li {
        background: #dddee2;
        color: #4f5b73;
        text-align: center;
        padding: 0.15rem 0;
        font-size: 0.24rem;
        border-radius: 0.1rem;
        float: left;
        margin: 0.1rem;
        padding: 0.15rem 0.2rem;
        position: relative;
        margin-bottom: 0.15rem;
    }

    .m_select_box ul li.active {
        background: #f53f31;
        color: #fff;
    }

    .m_select_box .m_buyBtn {
        background: #f53f31;
        display: block;
        text-align: center;
        color: #fff;
        padding: 0.25rem 0;
        font-size: 0.3rem;
        border-radius: 0.1rem;
    }

    .content .content__right {
        display: none;
    }

    .content .content__left {
        width: 100%;
        float: none;
    }

    .content .content__left .content__left__top .navs ul {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        grid-gap: 0;
    }

    .content .content__left .content__left__top .navs ul li {
        float: none;
        padding: 0;
        margin: 0;
        text-align: center;
        font-size: 0.28rem;
        padding: 0.25rem;
    }

    .content .content__left .content__left__top .navs ul li.catalogue {
        margin: 0;
    }

    .content .content__left .content__left__top .navs ul li.active {
        font-size: 0.28rem;
        font-weight: bold;
    }

    .content .content__left .content__left__top .navs ul li.active:before {
        display: none;
    }

    .content .content__left .content__left__top .navs ul li.catalogue:after {
        width: 0.8rem;
        height: 0.3rem;
        font-size: 0.24rem;
        line-height: 0.3rem;
        right: -0.1rem;
    }

    .content .content__left .course__box {
        padding: 0.2rem;
    }

    .content .content__left .content__left__top .navs__list ul li {
        padding: 0.13rem;
        font-size: 0.24rem;
    }

    .content .content__left .content__left__top .navs__list #more {
        font-size: 0.3rem;
        top: 0.3rem;
        right: 0.2rem;
    }

    .h_15 {
        height: 0.2rem;
    }

    .content .content__left .course__box .course__box2 h3 {
        font-size: 0.28rem;
        padding-left: 0.25rem;
        margin-top: 0.2rem;
    }

    .content .content__left .course__box .course__box2 h3:after {
        width: 0.1rem;
        height: 0.36rem;
    }

    .content .content__left .course__box .course__box2 .guidance {
        padding-left: 0.3rem;
        font-size: 0.26rem;
        padding-top: 0.2rem;
    }

    .content .content__left .course__box .course__box2 .guidance:after {
        width: 1.46rem;
        height: 0.15rem;
        left: 0.22rem;
    }

    .chapter_box .classA, .classB {
        padding-left: 0.25rem;
    }

    .content .content__left .course__box .course__box2 .guidance em {
        font-size: 0.24rem;
        padding: 0.04rem 0.2rem;
        margin-right: 0.25rem;
    }

    .course-main .course-main-left {
        width: 100%;
        display: block;
    }

    .course-main .cosperiod {
        margin-bottom: 5px;
    }

    .chapter_box .video p {
        background-size: 0.3rem;
        padding-left: 0.4rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 5rem;
    }

    .chapter_box p {
        font-size: 0.24rem;
    }

    .chapter_box em {
        font-size: 0.24rem;
        padding: 0 0.15rem;
    }

    .chapter_box .video {
        padding: 0.2rem 0.08rem;
    }

    .chapter_box .folder i {
        font-size: 0.3rem;
    }

    .chapter_box .folder {
        padding: 0.2rem 0.08rem;
    }

    .m_price s {
        font-size: 0.26rem;
        padding-left: 0.15rem;
        color: #7c7c7c;
    }

    .m_buy_btn_box {
        background: #fff;
        height: 1.2rem;
        position: fixed;
        bottom: 0;
        right: 0;
        left: 0;
        box-shadow: 0px 0px 5px #d6d6d6;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 0.2rem;
        padding: 0 0.2rem;
        z-index: 50;
    }

    .new_footer {
        padding-bottom: 1.2rem !important;
    }

    .m_buy_btn_box a {
        font-size: 0.3rem;
    }

    .m_buy_btn_box a.btn1 {
        background: #e6e7eb;
        height: 0.85rem;
        text-align: center;
        line-height: 0.85rem;
        margin-top: 0.15rem;
        border-radius: 0.06rem;
        color: #525a6d;
    }

    .m_buy_btn_box a.btn1 span {
        background: url("../images/pic_14.png") no-repeat left center;
        padding-left: 0.45rem;
        background-size: 0.35rem;
    }

    .m_buy_btn_box a.btn2 {
        background: #f53f31;
        height: 0.85rem;
        text-align: center;
        line-height: 0.85rem;
        margin-top: 0.15rem;
        border-radius: 0.06rem;
        color: #fff;
    }

    #m_agentInfo {
        display: block;
    }

    #agentInfos {
        right: 0;
        bottom: 10px;
        position: absolute;
    }

    #agentInfos a {
        border: 1px solid #ccc;
        padding: 3px 6px 3px 6px;
        border-radius: 5px;
        color: #A9A9A9;
        display: inline-block;
        font-size: 12px;
        background: #fff;
    }

    .m_gift {
        display: block;
    }

    .m_gift .m_gift__top {
        font-size: 0.26rem;
        color: #9ba7b5;
        padding-bottom: 0.2rem;
    }

    .m_gift .m_gift__top i {
    }

    .m_gift .m_gift__top span {
        color: #f53f31;
        padding: 0px 0.05rem;
    }

    .m_gift ul {
        display: none;
    }

    .m_gift ul li {
        display: block;
        color: #525a6d;
        font-size: 0.24rem;
        padding: 0;
        margin-bottom: 0.2rem;
    }

    .m_gift ul li span {
        background: #ebeae9;
        padding: 2px 10px;
        font-size: 12px;
        border-radius: 3px;
    }

    .m_select_box ul li em {
        background-color: #ec6b6e;
        background-image: linear-gradient(to right, #ec6b6e, #f3876d);
        color: #fff;
        font-style: normal;
        position: absolute;
        top: -0.2rem;
        right: 0rem;
        padding: 0px 8px;
        border-radius: 26px;
        z-index: 2;
        font-size: 0.24rem;
    }

    .m_select_box ul li em:before {
        content: "";
        width: 0;
        height: 0;
        border-top: 7px solid #f2846d;
        border-right: 7px solid transparent;
        position: absolute;
        top: 15px;
    }
}

@media screen and (min-width:640px) {
    html {
        font-size: 86px;
    }
}

@media screen and (min-width:414px) and (max-width:639px) {
    html {
        font-size: 55px;
    }
}

@media screen and (min-width:375px) and (max-width:413px) {
    html {
        font-size: 50px;
    }
}

@media screen and (min-width:320px) and (max-width:374px) {
    html {
        font-size: 42.5px;
    }
}