li {
    list-style: none;
}

@media (min-width: 767px) {
    .clearfix:after {
        content: "020";
        display: block;
        height: 0;
        clear: both;
        visibility: hidden;
    }
    #mheaderc {
        margin: 0;
        padding: 0;
        width: 100%;
        height: 115px;
    }
    .mheader {
        width: 100%;
        height: 32px;
        background: #2B2B2B;
    }
    #mnav {
        margin-right: 10%;
        padding-top: 7px;
    }
    #mnav .user-avatar-li {
        width: 130px;
        height: 20px;
        position: relative;
    }
    #mnav .dropdown-toggle {
        padding: 0;
        position: absolute;
        top: -9px;
    }
    #mnav .nick-name {
        font-size: 12px;
        color: #fff;
    }
    #mnav .dropdown-menu-close .es-icon {
        font-size: 12px;
        color: #fff;
    }
    #mnav .dropdown-menu {
        top: 15px;
        right: -36px;
    }
    #mnav>li.hidden-xs>a {
        padding: 0;
        color: #fff;
        font-size: 12px;
        margin-right: 12px;
    }
    .mmlead {
        width: 100%;
        background: rgba(51, 51, 51, 0.5);
        height: 83px;
    }
    .tabHeader {
        width: 77%;
        margin: 0 auto;
        padding-top: 15px;
    }
    .qingbeiLogo {
        width: 132px;
        height: 35px;
        display: inline;
        margin-top: 8px;
    }
    #mheaderc .navbar-collapse.collapse {
        display: none !important;
    }
    #mmlead .nav.navbar-nav {
        float: right;
    }
    .es-header .nav.navbar-nav>li>a {
        /* color: #fff; */
    }
    .nav.user-nav>li {
        height: 20px;
        padding-top: 3px;
    }
    input:focus,
    textarea:focus {
        outline: none;
    }
    textarea::-webkit-input-placeholder {
        color: #b3b3b3;
        margin-top: 10px;
        text-align: center;
        line-height: 20px;
        padding-top: 10px;
        padding-left: 10px;
        padding-right: 10px;
        font-size: 10px;
    }
    textarea:-moz-placeholder {
        color: #b3b3b3;
    }
    textarea::-moz-placeholder {
        color: #b3b3b3;
    }
    textarea:-ms-input-placeholder {
        color: #b3b3b3;
    }
}

@media (max-width: 767px) {
    .qingbeiLogo {
        display: none;
    }
    #mnavbar-header .navbar-more {
        color: #F5A623
    }
    .navbar-mobile .navbar-more {
        color: #F5A623
    }
}

.fourAd {
    width: 1012px;
    margin: 0 auto;
}

.classTitle .title {
    padding: 0;
    margin-top: 38px;
}

.classTitle .title h2 {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    height: 50px;
    margin-bottom: 23px;
}

.classTitle .title p {
    font-size: 22px;
    font-weight: 400;
    color: #999;
    margin-top: 0px;
}

.classTitle p {
    font-size: 24px;
    font-weight: bold;
    color: #999;
    margin-top: -15px;
}

.fourFun {
    margin-top: 2px;
}

.fourFun li {
    display: block;
    float: left;
    margin-left: 45px;
    width: 200px;
    height: 250px;
    position: relative;
}

.fourAdCont .fourFun img {
    width: 140px;
    margin-left: 17px;
    position: absolute;
    top: -30px;
    opacity: 0.5;
}

.fourFun .content {
    margin-top: 42px;
    text-align: center;
    position: absolute;
    bottom: 0;
}

.fourAdCont {
    overflow: hidden;
    margin-bottom: 72px;
}

.fourFun .content .item1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.fourFun .content .item2 {
    font-size: 22px;
    color: #333;
    margin-top: 12px
}

.video {
    width: 1200px;
    margin: 0 auto;
}

.vPlayer {
    width: 1200px;
    height: 585px;
    -o-object-fit: fill;
    object-fit: fill;
    margin: 0 auto;
}

.tyCenter {
    width: 1200px;
    margin: 0 auto;
    margin-top: -8px;
}

.tyClass {
    overflow: hidden;
    padding-top: 26px;
    width: 1200px;
    margin: 0 auto;
}

.tyClass .mar {
    margin-right: 30px;
}

.tyClass li {
    float: left;
    margin-bottom: 40px;
}

.tyClass li img {
    width: 398px;
    height: 250px;
}

.tyClass li a {
    width: 378px;
    height: 250px;
    background: -webkit-gradient(linear, left top, right top, from(#FF9B8A), to(#F2544D));
    background: linear-gradient(90deg, #FF9B8A, #F2544D);
    position: relative;
    display: inline-block;
    -webkit-box-shadow: 0 0 10px 1px rgba(0, 0, 0, 0.1);
    box-shadow: 0 0 10px 1px rgba(0, 0, 0, 0.1);
    -webkit-transition: all .5s;
    transition: all .5s;
}

.tyClass li a:hover {
    -webkit-transform: translateY(-10px);
    transform: translateY(-10px);
    -webkit-box-shadow: 0 0 15px 2px rgba(0, 0, 0, 0.2);
    box-shadow: 0 0 15px 2px rgba(0, 0, 0, 0.2);
}

.tyClass .sm-title {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 34px;
    font-size: 18px;
    line-height: 34px;
    text-align: center;
    font-weight: 500;
    color: rgba(176, 123, 41, 1);
    background: -webkit-gradient(linear, left top, right top, from(#FCF0E0), to(#FED9A0));
    background: linear-gradient(90deg, #FCF0E0, #FED9A0);
    border-radius: 0px 0px 3px 0px;
}

.tyClass .course-name {
    width: 326px;
    font-size: 30px;
    font-weight: 500;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    margin: 0 auto;
}

.tyClass .itemwa {
    margin-top: 52px;
    text-shadow: 0px 2px 3px #ccc;
}

.tyClass .ty-btn {
    width: 100px;
    height: 34px;
    line-height: 34px;
    border: 1px solid #fff;
    border-radius: 23px;
    margin: 0 auto;
    display: block;
    color: #fff;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    margin-top: 45px;
}

.tyList {
    height: 300px;
    width: 1200px;
    margin: 0 auto;
    background: url(../img/homepage/pc/pc_2/htbj_home_bj.png) no-repeat;
    background-size: cover;
}

.tyList .title {
    font-size: 30px;
    color: #333;
    font-weight: bold;
    text-align: center;
    padding-top: 15px;
    margin-bottom: 10px;
    margin-top: 0px;
}

.marquee li {
    margin-bottom: 16px;
    position: relative;
    width: 926px;
    height: 58px;
    margin: 0 auto;
    font-size: 20px;
}

.marquee li .phone {
    position: absolute;
    left: 64px;
}

.marquee li .time {
    position: absolute;
    left: 409px;
}

.marquee li .lession {
    position: absolute;
    left: 656px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
    width: 260px;
}

.tyListContent {
    height: 225px;
    overflow: hidden;
    width: 980px;
    margin: 0 auto;
}

.tyCenter .moreClass {
    width: 240px;
    height: 48px;
    background: -webkit-gradient(linear, left top, right top, from(rgba(255, 101, 86, 1)), to(rgba(244, 0, 0, 1)));
    background: linear-gradient(90deg, rgba(255, 101, 86, 1) 0%, rgba(244, 0, 0, 1) 100%);
    border-radius: 24px;
    margin: 0 auto;
    display: block;
    font-size: 20px;
    font-family: PingFangSC-Medium;
    font-weight: bold;
    color: #fff;
    line-height: 48px;
    text-align: center;
    margin-bottom: 42px;
    margin-top: 50px;
}

.tyCenter .moreClass:hover {
    -webkit-box-shadow: 0 0 15px 2px rgba(0, 0, 0, 0.2);
    box-shadow: 0 0 15px 2px rgba(0, 0, 0, 0.2);
    background: -webkit-gradient(linear, left top, right top, from(rgba(244, 0, 0, 1)), to(rgba(255, 101, 86, 1)));
    background: linear-gradient(90deg, rgba(244, 0, 0, 1) 0%, rgba(255, 101, 86, 1) 100%);
}

.serverTeacher {
    width: 100%;
    margin: 0 auto;
    /* height: 685px;
  background: url(../img/homepage/pc/pc_2/serverT.png) no-repeat;
  background-size: cover; */
    overflow: hidden;
    position: relative;
}

.serverTeacher .title h2 {
    margin-top: -26px;
    font-size: 36px;
    font-size: 34px;
    font-weight: bold;
    color: #333;
    height: 50px;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -560%);
    transform: translate(-50%, -560%);
}

.serverTeacher img {
    width: 100%;
}

.serverTeacher .title {
    padding: 0;
}

#swiperTitle {
    padding: 0;
    margin-bottom: 40px;
    margin-top: 40px;
}

#swiperTitle h2 {
    font-size: 30px;
    line-height: 36px;
    font-weight: bold;
}

#swiperTeacher {
    width: 1200px;
    height: 369px;
}

#swiperTeacher .swiper-wrapper img {
    width: 324px;
    height: 369px;
}

.pc-span-teacher-name {
    color: yellow;
    font-size: 26px;
    border-bottom: noe;
    padding-bottom: -8px;
}

.pc-div-teacher-brief {
    margin-top: 0px;
}

#swiperTeacher .swiper-slide {
    overflow: hidden;
}

#swiperTeacher .swiper-slide:after {
    position: absolute;
    left: 0;
    top: 0;
    display: block;
    width: 277px;
    height: 422px;
    background-color: rgba(0, 0, 0, 0.5);
    content: attr(data-text);
    -webkit-transition: all 1s ease;
    transition: all 1s ease;
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
    color: #FFF;
    z-index: 1;
}

#swiperTeacher .swiper-slide:hover:after {
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.pc-div-teacher-intro-higher {
    z-index: 99;
}

.classWay {
    width: 100%;
    height: 477px;
    background: url(../img/homepage/pc/pc_2/htbj_home_skbj.png) no-repeat;
    background-size: cover;
    overflow: hidden;
    margin-top: 74px;
}

.classWay .title {
    padding: 0;
    margin-top: 70px;
    margin-bottom: 80px;
}

.classWayItems {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.aboutQb .title {
    margin-bottom: 20px;
}

.classWay .title {
    padding: 0;
    margin-top: 6px;
    margin-bottom: 26px;
}

.classWay .title h2 {
    font-size: 30px;
    line-height: 60px;
    color: #fff;
    font-weight: bold;
}

.classWay .title p {
    font-size: 22px;
    line-height: 24px;
    color: #fff;
}

.classWayItems .item {
    width: 293px;
    border-radius: 3px;
    float: left;
}

.classWayItems .item {
    position: relative;
}

.classWayItems .item .itembg {
    margin: 0 auto;
    /* margin-top: 50px; */
    /* margin-bottom: 26px; */
    width: 152px;
    height: 152px;
}

.classWayItems .shuangshi {
    background: url(../img/homepage/pc/pc_2/htbj_home_shuangshi.png) no-repeat;
    background-size: 100%;
}

.classWayItems .shuangshi:hover {
    background: url(../img/homepage/pc/pc_2/htbj_home_shuangshi_hover.png) no-repeat;
    background-size: 100%;
}

.classWayItems .item p {
    font-size: 26px;
    font-weight: 400;
    color: #fff;
    text-align: center;
    margin-top: 20px;
}

.classWayItems .item h4 {
    font-size: 20px;
    font-weight: 400;
    color: #fff;
    text-align: center;
    margin-top: 10px;
}

.classWayItems .dianbo {
    background: url(../img/homepage/pc/pc_2/htbj_home_dianbo.png) no-repeat;
    background-size: 100%;
}

.classWayItems .dianbo:hover {
    background: url(../img/homepage/pc/pc_2/htbj_home_dianbo_hover.png) no-repeat;
    background-size: 100%;
}

.classWayItems .zhibo {
    background: url(../img/homepage/pc/pc_2/htbj_home_zhibo.png) no-repeat;
    background-size: 100%;
}

.classWayItems .zhibo:hover {
    background: url(../img/homepage/pc/pc_2/htbj_home_zhibo_hover.png) no-repeat;
    background-size: 100%;
}

.classWayItems .mianshou {
    background: url(../img/homepage/pc/pc_2/htbj_home_mianshou.png) no-repeat;
    background-size: 100%;
}

.classWayItems .mianshou:hover {
    background: url(../img/homepage/pc/pc_2/htbj_home_mianshou_hover.png) no-repeat;
    background-size: 100%;
}

.studentList {
    background: url(../img/homepage/pc/pc_2/htbj_home_jybj.png) no-repeat;
    background-size: cover;
    height: 570px;
}

.studentList .title h2 {
    font-size: 30px;
    font-weight: bold;
    color: #fff;
}

.studentList .title p {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    margin-top: -12px;
    margin-bottom: 10px;
}

.studentList .title {
    padding: 0;
    padding-top: 13px;
}

.studentList .listConten {
    position: relative;
    width: 1200px;
    height: 316px;
    margin: 0 auto;
}

.studentList .listLeft {
    width: 538px;
    position: absolute;
    left: 120px;
    opacity: 0.2;
}

.studentList .listLeft .img1 {
    width: 256px;
}

.studentList .listLeft .img2 {
    width: 144px;
    margin-left: 40px;
}

.listLeft .content {
    width: 538px;
    height: 105px;
    font-size: 22px;
    font-weight: 400;
    color: #fff;
    margin-top: 28px;
}

.listConten .listRight {
    width: 341px;
    height: 373px;
    position: absolute;
    right: 10px;
    background: url(../img/homepage/pc/pc_2/htbj_home_list.png) no-repeat;
    background-size: 100%;
    opacity: 0.2;
}

.homework {
    width: 100%;
    /* height: 937px; */
    background: #fff;
    overflow: hidden;
    padding-bottom: 20px;
}

.Title .title h2 {
    font-size: 30px;
    font-weight: bold;
    color: #333;
}

.Title .title p {
    font-size: 20px;
    font-weight: 400;
    margin-top: -10px;
    color: #999;
}

.Title .title {
    padding: 0;
    padding-top: 20px;
}

.system .title {
    padding-top: 60px;
}

.homeworkContent {
    width: 1200px;
    margin: 0 auto;
    margin-top: 22px;
}

.treepoint {
    overflow: hidden;
}

.treepoint .icon {
    float: left;
    text-align: center;
    color: #666;
    font-weight: bold;
    font-size: 24px;
    margin-right: 121px;
    margin-left: 121px;
}

.treepoint .icon img {
    height: 140px;
    margin-bottom: 14px;
}

.qbBook {
    width: 100%;
    height: 674px;
    background: url(../img/homepage/pc/pc_2/qbBook.png) no-repeat;
    background-size: cover;
}

.qbBook .title {
    padding-top: 18px;
}

.qbBook .bg {
    width: 880px;
    height: 440px;
    background: url(../img/homepage/pc/pc_2/qbbookBg.png) no-repeat;
    background-size: 100%;
    margin: 0 auto;
}

.qbBook .title h2 {
    color: #fff;
    margin-bottom: 10px;
}

.qbBook .title p {
    color: #fff;
    margin-bottom: 10px;
}

.teacherWay .title {
    padding-top: 20px;
}

.teacherWay .title p {
    color: #999;
}

.teacherWay {
    width: 100%;
    height: 719px;
}

.wayContent {
    width: 1200px;
    height: 516px;
    margin: 0 auto;
    background: url(../img/homepage/pc/pc_2/htbj_home_waybg.png) no-repeat;
    background-size: 760px 157px;
    background-position-y: 370px;
    background-position-x: 240px;
    position: relative;
}

.wayContent .cicrle {
    width: 428px;
    height: 428px;
    position: absolute;
    left: 400px;
    top: 38px;
    -webkit-transition: All 0.8s ease-in-out;
    transition: All 0.8s ease-in-out;
}

.wayContent .cicrle:hover {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
}

.wayContent .way {
    width: 200px;
    height: 28px;
    position: absolute;
    background: url(../img/homepage/pc/pc_2/htbj_home_jiantou.png) no-repeat;
    background-size: 51px 6px;
    background-position-x: 148px;
    background-position-y: 10px;
    font-size: 24px;
    font-weight: bold;
    color: #505050;
    line-height: 28px;
}

.wayContent .yuxi {
    top: 69px;
    left: 197px;
}

.wayContent .wenxi {
    top: 69px;
    left: 814px;
    background: url(../img/homepage/pc/pc_2/htbj_home_jiantou2.png) no-repeat;
    background-size: 51px 6px;
    background-position-x: 3px;
    background-position-y: 12px;
    text-align: right;
}

.wayContent .hudong {
    top: 367px;
    left: 197px;
}

.wayContent .baogao {
    top: 367px;
    left: 814px;
    background: url(../img/homepage/pc/pc_2/htbj_home_jiantou2.png) no-repeat;
    background-size: 51px 6px;
    background-position-x: 3px;
    background-position-y: 12px;
    text-align: right;
}

.systemContent {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.system .content {
    margin-bottom: 20px;
    position: absolute;
    opacity: 0.1;
    left: 124px;
}

.systemContent img {
    width: 180px;
    display: inline;
    vertical-align: bottom;
    margin-right: 20px;
}

.systemContent .title {
    font-size: 22px;
    font-weight: bold;
    color: #666;
    vertical-align: bottom;
    display: inline-block;
    margin-right: 20px;
    padding-top: 0px;
}

.level .title {
    height: 54px;
}

.lession .title {
    height: 48px;
}

.target .title {
    height: 117px;
}

.systemContent .level {
    top: 240px;
}

.systemContent .lession {
    top: 380px;
}

.systemContent .target {
    top: 440px;
}

.floatTable {
    width: 100%;
    height: 618px;
    background: url(../img/homepage/pc/pc_2/htbj_home_floatBg.png) no-repeat;
    background-size: cover;
}

.floatTable .title {
    padding-top: 20px;
}

.floatTable .title h2 {
    color: #fff;
    font-size: 30px;
    font-weight: normal;
}

.floatTable .title p {
    color: #fff;
    font-size: 20px;
}

.floatContent {
    width: 1200px;
    margin: 0 auto;
}

.media .title {
    padding: 0px;
    margin-top: 30px;
}

.footer {
    width: 100%;
    background: #EDEDED;
    height: 180px;
    margin-top: 0px;
}

.footerContent {
    width: 900px;
    margin: 0 auto;
    padding-top: 20px
}

.footerContentBottom {
    width: 1200px;
    padding-top: 0;
    overflow: hidden;
}

.footerContentBottom>p,
.footerContentBottom>a {
    float: left;
    font-size: 12px;
    margin-right: 7px;
    color: #666;
}

.footerContentBottom>p img {
    height: 17px;
    cursor: pointer;
    display: block;
    float: right;
}

.footerContent .qingbeiLogof {
    width: 120px;
    margin-left: 14px;
    margin-bottom: 8px;
}

.footerContent .footerLeft {
    width: 346px;
    display: inline-block;
    display: none;
}

.footerContent .footerRight {
    width: 680px;
    display: inline-block;
    height: 112px;
    vertical-align: text-bottom;
}

.footerLeft p {
    margin-bottom: 8px;
    color: #333;
    font-size: 12px;
}

.footerLeft span {
    margin-left: 23px;
}

.footerRight .rightfo {
    display: inline-block;
    width: 210px;
    margin-left: 50px;
    margin-right: 0px;
    padding-top: 20px;
}

.footerRight .rightfo p {
    margin-bottom: 9px;
}

.rightfo .bttl {
    font-size: 13px;
    font-weight: bold;
}

.footerContent .appDown {
    width: 200px;
    height: 100px;
    display: inline-block;
    vertical-align: text-bottom;
    padding-left: 25px;
}

.footerContent .appDown .imgc {
    width: 65px;
    display: inline-block;
    margin-right: 10px;
}

.footerContent .appDown .imgc p {
    font-size: 12px;
    margin-top: 12px;
}

.select-course-section-bg {
    background: #fff;
}

#tablist li .class_intr {
    border-radius: 10px 0px 0px 0;
}

@media (min-width: 767px) {
    #tablist li .class_intr {
        line-height: 40px;
    }
    .course-detail-section .course-detail-right .btn.btn-lg {
        padding: 0;
        width: 310px;
        height: 47px;
        line-height: 47px;
        font-size: 24px;
    }
    .bug_downCon .bug_down {
        font-size: 14px;
    }
    .course-detail-section .course-detail-left {
        width: 320px;
    }
    .course-detail-right-content {
        width: 370px
    }
    .es-wrap-content .tagContent {
        width: 428px;
        height: 100px;
        float: left;
        margin-top: 36px;
    }
    .es-wrap-content .tagContent .tags {
        width: 436px;
        margin: 0 auto;
    }
    .es-wrap-content .tagContent .tag {
        float: left;
        min-width: 109px;
        margin-left: 10px;
        margin-right: 10px;
        margin-top: 10px;
        background-size: 100%;
        height: 44px;
        line-height: 44px;
        font-size: 16px;
        text-align: center;
        border: 1px sold #ccc;
        color: #FDC830;
        border: 1px solid;
        border-radius: 27px 27px 27px 0px;
        padding-left: 4px;
        padding-right: 4px;
    }
    .es-wrap-content .tagContent .tagChack {
        background: #FDC830;
        color: #fff;
    }
}

@media (min-width: 767px) {
    .ncwm .container {
        width: 1086px;
    }
    .play-iframe {
        float: left;
        width: 100%;
    }
    .liveStatus-iframe {
        width: 750px;
    }
    .showTab {
        float: left;
        width: 335px;
    }
    .study-course-content {
        padding: 11px;
        padding-left: 91px;
        display: inline-block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        width: 191px;
        padding-left: 46px;
        padding-top: 17px;
        font-size: 14px;
    }
    .tabItems .tabItem {
        display: inline-block;
        width: 109px;
        padding: 0;
        height: 40px;
        line-height: 40px;
        background: #f2f2f2;
        text-align: center;
        position: relative;
        cursor: pointer;
        border-left: 1px solid #D9D9D9;
    }
    .tabItems .zbtabItem-check {
        width: 325px;
    }
    .tabItems .querItem {
        left: -4px;
    }
    .tabItems .noteItem {
        left: -8px;
    }
    .tabItems .tabItem span {
        font-size: 14px;
        color: #6A6A6A;
        font-weight: normal;
    }
    .study-menu-check .check-study-list {
        margin-left: 0;
    }
    .tabItems .tabItem-check {
        background: #F5A623;
        border: none;
    }
    .tabItems .tabItem-check span {
        color: #fff;
        font-size: 14px;
    }
    .study-course.tostudy {
        width: 323px;
    }
    .study-course-list {
        width: 422px;
    }
    .mhide {
        display: none !important;
    }
    .mtab {
        width: 325px;
        float: left;
        min-height: 460px;
        background: #fff;
    }
    .textareaVal {
        width: 267px;
        margin-left: 32px;
        border: 1px solid #D9D9D9;
        border-radius: 9px;
        margin-top: 16px;
        min-height: 86px;
        text-indent: 4px;
    }
    .questionTabC .secOntent {
        width: 100%;
        height: 32px;
        position: relative;
        margin-bottom: 5px;
        font-size: 10px;
        margin-top: 4px;
    }
    .secOntent .question {
        position: absolute;
        right: 27px;
        display: inline-block;
        width: 75px;
        height: 24px;
        border: 1px solid #F5A623;
        border-radius: 20px;
        text-align: center;
        line-height: 24px;
        font-size: 12px;
        color: #F5A623;
        cursor: pointer;
    }
    .questionTabC .secOntent .num {
        position: absolute;
        left: 34px;
        color: #D9D9D9;
    }
    .questionTabC .questions {
        width: 100%;
        height: 300px;
    }
    .questionTabC .mselect {
        width: 100%;
        height: 28px;
        position: relative;
        margin-bottom: 5px;
        font-size: 12px;
    }
    .questionTabC .mselect .allq {
        position: absolute;
        left: 36px;
        font-size: 12px;
        font-weight: bold;
    }
    .questionTabC .mselect .onlym {
        position: absolute;
        left: 51px;
        display: inline-block;
        width: 117px;
        height: 24px;
        text-align: right;
    }
    .onlymbg {
        width: 14px;
        height: 14px;
        border: 1px solid #ccc;
        border-radius: 50px;
        display: inline-block;
        position: absolute;
        top: 1px;
        left: 47px;
    }
    .questionTabC .mquestion {
        position: relative;
        padding-bottom: 5px;
        border-bottom: 1px dotted #ccc;
        margin-top: 5px;
    }
    .questionTabC .muserImg {
        width: 30px;
        height: 30px;
        margin-left: 32px;
    }
    .mquestionPhone {
        margin-left: 14px;
    }
    .mquestionTime {
        margin-left: 42px;
        font-size: 10px;
    }
    .mquestionu {
        width: 278px;
        margin: 0 auto;
        margin-bottom: 3px;
    }
    .mquestionuItemMuserImg {
        width: 27px;
        height: 27px;
    }
    .maskShadeClose {
        text-align: center;
        position: absolute;
        top: -57%;
        right: -47%;
        bottom: 0;
        left: 0;
        margin: auto;
        cursor: pointer;
    }
    .mquestionuImg {
        width: 278px;
        min-height: 26px;
        margin-left: 21px;
    }
    .mquestionuImg .mquestionuItemImg {
        max-width: 80px;
        height: auto;
        display: block;
        margin-bottom: 10px;
    }
    .mquestionuItem {
        width: 278px;
        min-height: 26px;
        display: block;
        color: #4A4A4A;
        font-size: 12px;
        line-height: 18px;
        padding-left: 24px;
    }
    .mquestionQb {
        margin-top: 6px;
        font-size: 10px;
        color: #F5A623;
    }
    .mquestionQb .mquestionTime {
        margin-left: 32px;
    }
    .mquestionQb .muserImg {
        width: 20px;
        height: 20px;
        margin-left: 112px;
    }
    .mquestionQbItem {
        width: 300px;
        min-height: 24px;
        display: block;
        margin: 0 auto;
        margin-top: 10px;
        color: #F5A623;
        font-size: 10px;
        padding-left: 34px;
        padding-right: 4px;
    }
    .mquestionItem {
        margin-top: 10px;
    }
    .mtop {
        top: 1px;
    }
    .course-back .course-item .tagtitle {
        display: inline-block;
        padding: 0 15px;
        height: 24px;
        line-height: 24px;
        border-radius: 12px 0 12px 0;
        color: #fff;
        font-size: 16px;
        background: -webkit-gradient(linear, left top, right top, from(#FAD760), to(#F88C31));
        background: linear-gradient(to right, #FAD760, #F88C31);
    }
    .course-list .course-item .tags .tag-live {
        background: -webkit-gradient(linear, left top, right top, from(#FAD760), to(#F88C31));
        background: linear-gradient(to right, #FAD760, #F88C31);
    }
    .selectBg {
        background: url(../img/homepage/pc/pc_2/htbj_kc_dianji.png) no-repeat;
        background-size: 100%;
        border: none;
    }
    .mnoteComtent .open {
        margin-left: 45px;
    }
    .mnoteComtent .open .onlymbg {
        left: 25px;
        top: 2px;
    }
    .mnoteComtent .time {
        margin-left: 32px;
    }
    .mnoteComtent .time .onlymbg {
        left: 83px;
        top: 2px;
    }
    .mnoteComtent .questions .item {
        width: 50px;
        height: 17px;
        display: inline-block;
        cursor: pointer;
    }
    .mnoteComtent .questions .myitem {
        margin-left: 26px;
    }
    .mnoteComtent .questions .pubitem {
        margin-left: 32px;
    }
    .mnoteComtent .questions .active {
        color: #F40000;
        border-bottom: 2px solid #F40000;
    }
    .contentbox {
        height: 281px;
        overflow: auto;
        overflow-x: hidden;
    }
    .course-detail-greedn {
        margin-left: 11px;
        font-size: 14px;
        line-height: 22px;
        color: #A3A3A3;
        margin-top: 10px;
    }
    .course-detail-greedn span {
        margin-left: 10px;
    }
    .mquestionItem .dianzan {
        text-align: right;
        font-size: 12px;
    }
    .mquestionItem .dianzanBg {
        display: inline-block;
        width: 14px;
        height: 14px;
        background: url(../img/homepage/pc/pc_2/htbj_dz_wdj.png) no-repeat;
        background-size: 100%;
    }
    .mquestionItem .dianzanBged {
        display: inline-block;
        width: 14px;
        height: 14px;
        background: url(../img/homepage/pc/pc_2/htbj_dz_dianji.png) no-repeat;
        background-size: 100%;
    }
    .contentbox .noques {
        margin-left: 36px;
        font-size: 12px;
    }
}

@media (max-width: 767px) {
    textarea::-webkit-input-placeholder {
        color: #b3b3b3;
        margin-top: 10px;
        text-align: center;
        line-height: 20px;
        padding-top: 10px;
        padding-left: 20px;
        padding-right: 20px;
        font-size: 10px;
    }
    textarea:-moz-placeholder {
        color: #b3b3b3;
    }
    textarea::-moz-placeholder {
        color: #b3b3b3;
    }
    textarea:-ms-input-placeholder {
        color: #b3b3b3;
    }
    .bug_downCon .bug_down {
        display: none;
    }
    .nav.nav-tabs {
        padding: 0;
    }
    #containerWrap .course-detail-section .course-detail-left {
        float: none;
    }
    .course-detail-section .tagContent {
        min-height: 94px;
        border-top: 1px solid #ccc;
    }
    .course-detail-section .tagContent ul {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        width: 81%;
        padding: 0;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        margin: 0 auto;
        margin-top: 10px;
    }
    .course-detail-section .tagContent li {
        max-width: 9rem;
        text-align: center;
        height: 3rem;
        line-height: 3rem;
        border: 1px solid;
        border-radius: 27px 27px 27px 0px;
        background-size: 100%;
        margin-left: 6px;
        color: #FDC830;
        padding-left: 8px;
        padding-right: 8px;
        margin-bottom: 0.5rem;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .course-detail-section .tagContent .tagChack {
        border: 1px solid;
        border-radius: 27px 27px 27px 0px;
        background-size: 100%;
        color: #fff;
        background: #FDC830;
    }
    .course-back .course-item .tagtitle {
        padding: 0 10px;
        display: inline-block;
        height: 20px;
        line-height: 20px;
        border-radius: 12px 0 12px 0;
        color: #fff;
        font-size: 12px;
        background: -webkit-gradient(linear, left top, right top, from(#FAD760), to(#F88C31));
        background: linear-gradient(to right, #FAD760, #F88C31);
    }
    .course-list .course-item .tags .tag-live {
        background: -webkit-gradient(linear, left top, right top, from(#FAD760), to(#F88C31));
        background: linear-gradient(to right, #FAD760, #F88C31);
    }
    .showTab .tabItems {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
    }
    .showTab .tabItems .tabItem {
        width: 10rem;
        padding: 0;
        text-align: center;
        height: 3rem;
        line-height: 3rem;
        border-left: 1px solid #D9D9D9;
    }
    .study-menu-check {
        width: 12rem;
    }
    .study-menu-check .check-study-list {
        margin-left: 0px;
    }
    /* pc */
    .tabItems .tabItem-check {
        background: #F5A623;
    }
    .tabItems .tabItem-check span {
        color: #fff;
        font-size: 14px;
    }
    .study-course.tostudy {
        width: 367px;
    }
    .study-course-list {
        width: 422px;
    }
    .mhide {
        display: none !important;
    }
    .mtab {
        width: 100%;
        float: left;
        min-height: 366px;
        background: #fff;
        overflow: auto;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
    }
    .textareaVal {
        width: 25rem;
        margin: 0 auto;
        border: 1px solid #D9D9D9;
        border-radius: 9px;
        margin-top: 10px;
        height: 7rem;
        text-indent: 4px;
    }
    .questionTabC .secOntent {
        width: 100%;
        height: 2.4rem;
        margin-bottom: 5px;
        margin-top: 4px;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        -webkit-box-pack: start;
        -ms-flex-pack: start;
        justify-content: flex-start;
    }
    .secOntent .question {
        width: 6rem;
        height: 2rem;
        border: 1px solid #F5A623;
        border-radius: 20px;
        text-align: center;
        line-height: 2rem;
        font-size: 12px;
        color: #F5A623;
        margin-right: 3rem;
        margin-left: 17rem;
    }
    .questionTabC .secOntent .num {
        margin-left: 2.7rem;
        color: #D9D9D9;
    }
    .questionTabC .questions {
        width: 100%;
        min-height: 366px;
        overflow-y: auto;
    }
    .questionTabC .mselect {
        width: 100%;
        height: 2.2rem;
        font-size: 12px;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        -webkit-box-pack: justify;
        -ms-flex-pack: justify;
        justify-content: space-between;
    }
    .questionTabC .mselect .allq {
        font-size: 12px;
        font-weight: bold;
        margin-left: 2.7rem;
    }
    .questionTabC .mselect .onlym {
        display: inline-block;
        width: 7rem;
        height: 2rem;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        margin-right: 2rem;
    }
    .onlymbg {
        width: 1.3rem;
        height: 1.3rem;
        border: 1px solid #ccc;
        border-radius: 50px;
        margin-right: 0.2rem;
    }
    .questionTabC .mquestion {
        position: relative;
        padding-bottom: 10px;
        border-bottom: 1px dotted #ccc;
        margin-top: 5px;
    }
    .questionTabC .muserImg {
        width: 2.2rem;
        height: 2.2rem;
        margin-left: 2rem;
    }
    .mquestionPhone {
        margin-left: 14px;
    }
    .mquestionTime {
        font-size: 10px;
        margin-right: 0rem;
        margin-left: 8rem;
    }
    .mquestionu {
        width: 25rem;
        margin: 0 auto;
    }
    .mquestionuItem {
        width: 25rem;
        min-height: 2.5rem;
        display: block;
        color: #4A4A4A;
        font-size: 12px;
    }
    .mquestionuItemMuserImg {
        width: 27px;
        height: 27px;
    }
    .mquestionuImg {
        width: 278px;
        min-height: 26px;
    }
    .mquestionuImg img {
        max-width: 260px;
        height: auto;
    }
    .mquestionQb {
        margin-top: 0.8rem;
        font-size: 10px;
        color: #F5A623;
    }
    .mquestionQb .mquestionTime {
        margin-left: 37px;
    }
    .mquestionQb .muserImg {
        width: 20px;
        height: 20px;
        margin-left: 137px;
    }
    .mquestionQbItem {
        width: 300px;
        min-height: 36px;
        display: block;
        overflow: hidden;
        margin: 0 auto;
        margin-top: 10px;
        color: #F5A623;
        font-size: 10px;
    }
    .mquestionItem {
        margin-top: 10px;
    }
    .course-back .course-item .tagtitle {
        display: inline-block;
        padding: 0 15px;
        height: 24px;
        line-height: 24px;
        border-radius: 12px 0 12px 0;
        color: #fff;
        font-size: 16px;
        background: -webkit-gradient(linear, left top, right top, from(#FAD760), to(#F88C31));
        background: linear-gradient(to right, #FAD760, #F88C31);
    }
    .course-list .course-item .tags .tag-live {
        background: -webkit-gradient(linear, left top, right top, from(#FAD760), to(#F88C31));
        background: linear-gradient(to right, #FAD760, #F88C31);
    }
    .tabItems .tabItem-check {
        background: #F5A623;
        border: none;
    }
    .showTab .tabItems .study-menu-check {
        width: 12rem;
        font-size: 14px;
        font-weight: normal;
        color: #6A6A6A;
    }
    .questions .selectBg {
        background: url(../img/homepage/pc/pc_2/htbj_kc_dianji.png) no-repeat;
        background-size: 100%;
        border: none;
    }
    .mquestion .questionTitle {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        -webkit-box-pack: start;
        -ms-flex-pack: start;
        justify-content: flex-start;
    }
    .secOntent .onlym {
        width: 9rem;
        height: 2rem;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        margin-right: 0.4rem;
    }
    .secOntent .open {
        width: 5.4rem;
        margin-left: 2rem;
    }
    .secOntent .notesave {
        margin-left: 0;
        margin-right: 0.2rem;
    }
    .timetext {
        min-width: 4rem;
        margin-right: 1.4rem;
    }
    .selectBg {
        background: url(../img/homepage/pc/pc_2/htbj_kc_dianji.png) no-repeat;
        background-size: 100%;
        border: none;
    }
    .mnoteComtent .questions .active {
        color: #F40000;
        border-bottom: 2px solid #F40000;
    }
    .questions .mselect .myitem {
        margin-left: 2rem;
    }
    .questions .mselect .pubitem {
        margin-right: 19rem;
    }
    .mquestionItem .dianzan {
        text-align: right;
        font-size: 12px;
    }
    .mquestionItem .dianzanBg {
        display: inline-block;
        width: 1.2rem;
        height: 1.2rem;
        background: url(../img/homepage/pc/pc_2/htbj_dz_wdj.png) no-repeat;
        background-size: 100%;
    }
    .mquestionItem .dianzanBged {
        background: url(../img/homepage/pc/pc_2/htbj_dz_dianji.png) no-repeat;
        background-size: 100%;
    }
    .contentbox .noques {
        margin-left: 4rem;
        font-size: 12px
    }
}

.teacherLink {
    width: 100%;
    height: 100%;
    display: block;
    z-index: 10;
}

.hometeachebg {
    position: absolute;
    left: 0;
    top: 0;
    display: block;
    width: 210px;
    height: 327px;
    z-index: 10;
}

.mmorehide {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.mnotemy .dianzan {
    display: none;
}

@media (min-width: 767px) {
    .cdcontent {
        width: 100%;
        height: 687px;
        background: url(../img/homepage/pc/pc_2/client_downloadbg.png) no-repeat;
        background-size: 100%;
        margin-bottom: -10px;
    }
    .downContent {
        width: 700px;
        margin: 0 auto;
        padding-top: 70px;
    }
    .downContent .appImg {
        width: 284px;
        height: 545px;
        float: left;
        background: url(../img/homepage/pc/pc_2/appImg.png) no-repeat;
        background-size: 100%;
    }
    .downContent .appDown {
        width: 378px;
        float: left;
        padding-top: 78px;
        margin-left: 25px;
    }
    .downContent .appname {
        font-size: 33px;
        color: #333;
        font-weight: bold;
        margin: 0 auto;
        text-align: center;
    }
    .downContent .appInt {
        font-size: 22px;
        color: #6A6A6A;
        line-height: 30px;
        margin: 0 auto;
        margin-top: 32px;
    }
    .downContent .erCode img {
        width: 125px;
        height: 125px;
        margin: 0 auto;
        margin-top: 44px;
        display: inline-block;
        margin-left: 124px;
    }
    .downContent .downButton {
        width: 133px;
        height: 34px;
        background: -webkit-gradient(linear, left top, right top, from(#FFAB81), to(#FF7D7E));
        background: linear-gradient(to right, #FFAB81, #FF7D7E);
        border-radius: 24px;
        margin: 0 auto;
        display: block;
        font-size: 18px;
        color: #fff;
        line-height: 34px;
        text-align: center;
        margin-top: 14px;
    }
    .pc_hide {
        display: none;
    }
}

@media (max-width: 767px) {
    .cdcontent {
        width: 100%;
        height: 80rem;
        background: url(../img/homepage/pc/pc_2/client_downloadbg.png) no-repeat;
        background-size: 100%;
        margin-bottom: -10px;
    }
    .downContent {
        margin: 0 auto;
        padding-top: 2rem;
        padding-bottom: 34px;
    }
    .downContent .appImg {
        width: 17rem;
        height: 32rem;
        margin: 0 auto;
        background: url(../img/homepage/pc/pc_2/appImg.png) no-repeat;
        background-size: 100%;
    }
    .downContent .appDown {
        width: 26rem;
        padding-top: 2rem;
        margin: 0 auto;
    }
    .downContent .appname {
        font-size: 33px;
        color: #333;
        font-weight: bold;
        margin: 0 auto;
        text-align: center;
    }
    .downContent .appInt {
        font-size: 22px;
        color: #6A6A6A;
        line-height: 30px;
        margin: 0 auto;
    }
    .downContent .erCode img {
        width: 10rem;
        height: 10rem;
        margin: 0 auto;
        margin-top: 44px;
        display: block;
    }
    .downContent .downButton {
        width: 12rem;
        height: 3.5rem;
        background: -webkit-gradient(linear, left top, right top, from(#FFAB81), to(#FF7D7E));
        background: linear-gradient(to right, #FFAB81, #FF7D7E);
        border-radius: 24px;
        margin: 0 auto;
        display: block;
        font-size: 18px;
        color: #fff;
        line-height: 3.5rem;
        text-align: center;
        margin-top: 1rem;
    }
    .footer {
        display: none;
    }
    .pc_hide {
        display: block;
    }
}

.maskShade {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: #000;
    background: rgba(0, 0, 0, 0.3);
}

.maskShade .maskShadeimg {
    text-align: center;
    max-width: 423px;
    max-height: 652px;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
}