.all-box {
    max-width: 7.5rem;
    margin: 0 auto;
    background: #ffffff;
}

.header-box {
    width: 100%;
    /* height:12rem; */
    background: #ffffff;
    overflow: hidden;
    position: relative;
    padding-bottom: 0.48rem;
}

.banner-topic {
    position: absolute;
    left: -9999px;
}

.inner-wrap {
    margin: 0 auto;
    width: 6.8rem;
}

.header-box .banner-pic {
    max-height: 7.77rem;
}

.btn-cont {
    padding: 0.48rem 0;
    text-align: center;
}

.class-btn {
    display: inline-block;
    width: 2.48rem;
    height: 0.72rem;
    line-height: 0.7rem;
    font-size: 0.28rem;
    text-align: center;
    border-radius: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid #0785FF;
    color: #0785FF;
}

.btn-large {
    width: 6.86rem;
    height: 0.88rem;
    line-height: 0.8rem;
    border-radius: 0.16rem;
    font-size: 0.28rem;
    font-weight: bold;
}

.second-btn {
    margin-right: 0.4rem;
}

.blue-theme .class-btn {
    border-color: #0785FF;
    color: #0785FF;
}

.blue-theme .main-btn {
    background-color: #0785FF;
    color: white;
}
.audition {
    margin: 0.3rem auto;
    display: block;
    width: 6.86rem;
    height: 0.88rem;
    line-height: 0.8rem;
    border-radius: 0.16rem;
    font-size: 0.3rem;
    font-weight: bold;
    background:#0785FF;
    color:white;
    text-align: center;
}

.register-box {
    width: 6.84rem;
    max-width: 6.84rem;
    position: relative;
    margin: 0 auto;
    position: relative;
    border-radius: 0.1rem;
    background: #ffffff;
    box-shadow: 0px 0.02rem 0.18rem 0px rgba(206, 206, 206, 0.5);
    border-radius: 0.2rem;
    padding: 0 0.3rem 0.2rem;
    margin-top: -0.9rem;
}

.register-box .get-course {
    color: #FF8F1C;
    font-size: 0.4rem;
    text-align: center;
    font-weight: bold;
    padding: 0.4rem 0 0.1rem;
}

.teacher-box {
    background: #ffffff;
}

.register-box .please {
    color: #222222;
    font-size: 0.28rem;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.register-box .position-img {
    position: absolute;
    width: 0.56rem;
    height: 0.26rem;
    top: 0.3rem;
    right: 1.4rem;
}

.register-box .please div {
    display: inline-block;
    width: 0.08rem;
    height: 0.26rem;
    background: rgba(255, 143, 27, 1);
    border-radius: 0.04rem;
    margin-right: 0.04rem;
}

.register-box .please .sm-tips {
    font-size: 0.24rem;
    font-weight: 500;
    color: rgba(34, 34, 34, 1);
    line-height: 0.24rem;
}

.register-box ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0 0 0.5rem 0.2rem;
}

.register-box ul li {
    width: 33%;
    height: 0.35rem;
    line-height: 0.35rem;
    display: flex;
    align-items: center;
    padding-left: 0.44rem;
    background: url(https://m.static.olacio.com/img/v2/lp/202112/teacher/kong.png) no-repeat left;
    background-size: 0.34rem 0.34rem;
}

.register-box ul li:nth-child(-n+3) {
    margin: 0.55rem 0;
}

.register-box ul .checked {
    font-size: 0.28rem;
    font-weight: 500;
    color: rgba(255, 143, 27, 1);
    background: url(https://m.static.olacio.com/img/v2/lp/202112/teacher/checked.png) no-repeat left;
    background-size: 0.41rem 0.34rem;
}

.course-content {
    padding: 0 0.32rem;
    background: #ffffff;
}

.course-title {
    font-size: 0.4rem;
    font-weight: bold;
    color: #222222;
    text-align: center;
}

.course-content .fast-down {
    width: 0.31rem;
    height: 0.24rem;
    margin: 0.22rem auto 0.32rem;
    display: block;
}

.pointing {
    width: 3.12rem;
    height: 0.12rem;
    display: block;
    margin: 0.23rem auto 0.4rem;
}

.course-content .course-ul {
    padding-bottom: 0.48rem;
}

.course-content .course-ul li .big-title {
    margin-bottom: 0.42rem;
}

.course-content .course-ul li .big-title span {
    display: inline;
    vertical-align: bottom;
    font-size: 0.2rem;
    font-weight: 400;
    color: rgba(136, 136, 136, 1);
}

.course-content .course-ul li .big-title img {
    width: 1.51rem;
    height: 0.47rem;
    margin-right: 0.16rem;
}

.course-box {
    width: 6.86rem;
    height: 2.72rem;
    background: rgba(255, 255, 255, 1);
    border-radius: 0.12rem;
    border: 1px solid rgba(254, 212, 223, 1);
    /* overflow: hidden; */
    position: relative;
}

.course-box .left-box {
    float: left;
}

.course-box .right-box {
    float: left;
    /* width:4.9rem; */
    height: 100%;
    padding-left: 0.22rem;
    padding-top: 0.3rem;
}

.course-box .left-box img {
    width: 1.92rem;
    height: 2.7rem;
}

.course-box .right-box .title {
    font-size: 0.32rem;
    font-weight: bold;
    color: rgba(0, 0, 0, 1);
}

.course-box .right-box .course-desc span {
    height: 0.26rem;
    padding: 0.03rem 0.05rem;
    font-size: 0.2rem;
    background: rgba(31, 129, 221, 0.2);
    border-radius: 0.02rem;
    color: #1F81DD;
    margin-right: 0.1rem;
}

.course-box .right-box .course-desc {
    width: 4.44rem;
    height: 0.26rem;
    font-size: 0.2rem;
    font-weight: 400;
    margin-top: 0.24rem;
    color: rgba(34, 34, 34, 1);
    line-height: 0.4rem;
}

.course-box .right-box .float-tips {
    position: absolute;
    top: -0.2rem;
    background: #ff8f1d;
    background-size: cover;
    height: 0.4rem;
    z-index: 999;
    font-size: 0.18rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 0.4rem;
    text-align: center;
    right: 0.28rem;
}

.course-box .right-box .float-tips::before,
.course-box .right-box .float-tips::after {
    content: '';
    position: absolute;
    top: 0;
    border: 0.2rem solid #ff8f1d;
}

.course-box .right-box .float-tips::before {
    left: -0.4rem;
    border-color: transparent #ff8f1d transparent transparent;
}

.course-box .right-box .float-tips::after {
    right: -0.4rem;
    border-color: transparent transparent transparent #ff8f1d;
}

.course-box .right-box .btn-box {
    position: absolute;
    bottom: 0.28rem;
    right: 0.28rem;
}

.btn-box a {
    width: 1.86rem;
    height: 0.56rem;
    border-radius: 0.29rem;
    font-size: 0.24rem;
    text-align: center;
    display: inline-block;
    border: 1px solid rgba(255, 31, 90, 1);
    line-height: 0.54rem;
    background: white;
}

.btn-box .ask {
    font-weight: 500;
    color: rgba(255, 31, 90, 1);
    margin-right: 0.2rem;
}

.btn-box .free-subscribe {
    font-weight: 500;
    color: rgba(255, 255, 255, 1);
    background: #0785FF;
}

.course-package .second-style {
    width: 2.16rem;
    margin-top: 0.3rem;
    margin-right: 0.26rem;
    margin-left: 0.08rem;
    height: 2.16rem;
    border-radius: 0.3rem;
    overflow: hidden;
}

.lesson-box {
    padding-top: 0.45rem;
}

.lesson-box .course-desc {
    padding-bottom: 0.4rem;
    font-size: 0.24rem;
    font-weight: 400;
    color: rgba(136, 136, 136, 1);
    line-height: 0.26rem;
    text-align: center;
    margin: 0.23rem 0.32rem;
    margin-bottom: 0.4rem;
    background: url('https://m.static.olacio.com/img/v2/lp/202112/teacher/ru/line.png') no-repeat center bottom;
    background-size: 0.7rem 0.1rem;
}

.title-bar {
    padding-bottom: 0.4rem;
    margin-bottom: 0.6rem;
    background: url('https://m.static.olacio.com/img/v2/lp/202112/teacher/ru/line.png') no-repeat center bottom;
    background-size: 0.7rem 0.1rem;
}

.index-wrap .regist-btn {
    background: #0785FF !important;
}

.lesson-box .tab-box .tab-ul {
    /* overflow: hidden; */
    margin-bottom: 0.6rem;
}

.fixed {
    position: fixed;
    top: 0;
    z-index: 999;
}

.lesson-box .tab-box .tab-ul li {
    float: left;
    width: 2.5rem;
    height: 0.84rem;
    box-sizing: border-box;
    border: 1px solid #FFC8D7;
    text-align: center;
    font-size: 0.24rem;
    font-weight: 400;
    color: #0785FF;
    line-height: 0.84rem;
    background: #fff;
}

.lesson-box .tab-box .tab-ul .active {
    background: #0785FF;
    position: relative;
    border: 0;
    font-size: 0.26rem;
    color: #FFFFFF;
}

.lesson-box .tab-box .tab-ul .active::after {
    content: '';
    position: absolute;
    bottom: -0.14rem;
    left: 50%;
    margin-left: -0.16rem;
    border-top: 0.16rem solid #0785FF;
    border-right: 0.16rem solid transparent;
    border-left: 0.16rem solid transparent;
}

.lesson-box .lesson-content .one-content {
    display: none;
}

.lesson-box .lesson-content .activated {
    display: block;
}

.lesson-content .one-content .one-lesson {
    margin: 0 auto 0.44rem;
    width: 6.86rem;
    height: 4.2rem;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0.04rem 0.18rem 0 rgba(0, 0, 0, 0.1);
    border-radius: 0.12rem;
    box-sizing: border-box;
    padding: 0.3rem 0.28rem;
    position: relative;
}

.lesson-content .one-content .one-lesson .hot {
    width: 0.96rem;
    height: 0.96rem;
    position: absolute;
    top: -0.03rem;
    left: -0.03rem;
}

.lesson-content .one-content .one-lesson .top-box {
    margin-bottom: 0.25rem;
    overflow: hidden;
}

.lesson-content .one-content .one-lesson .top-box .top-left-box {
    float: left;
}

.lesson-content .one-content .one-lesson .top-box .top-right-box {
    padding: 0.1rem 0 0 0.3rem;
    overflow: hidden;
}

.lesson-content .one-content .one-lesson .top-box .top-left-box img {
    width: 2.16rem;
    height: 1.96rem;
}

.lesson-content .one-content .one-lesson .top-box .top-right-box .title {
    margin-bottom: 0.1rem;
    height: 0.39rem;
    font-size: 0.32rem;
    font-weight: bold;
    color: #333;
}

.lesson-content .one-content .one-lesson .top-box .top-right-box .lang {
    margin-bottom: 0.22rem;
    font-size: 0.32rem;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
}

.lesson-content .one-content .one-lesson .top-box .top-right-box .no-lang {
    height: 0.86rem;
}

.lesson-content .one-content .one-lesson .top-box .top-right-box .title-desc {
    font-size: 0.24rem;
    font-weight: 400;
    color: rgba(136, 136, 136, 1);
    margin: 0.1rem 0;
}

.lesson-content .one-content .one-lesson .top-box .top-right-box .title-num {
    font-size: 0.24rem;
    font-weight: 400;
    color: #FF9223;
}

.lesson-content .one-content .one-lesson .bottom-box .lesson-info {
    font-size: 0.24rem;
    font-weight: 400;
    color: rgba(136, 136, 136, 1);
    line-height: 0.32rem;
}

.lesson-content .one-content .one-lesson .btn-box {
    position: absolute;
    bottom: 0.28rem;
    right: 0.28rem;
}

.index-wrap {
    margin-bottom: 1rem;
}

.login-wrap {
    position: relative;
    padding: 0.4rem 0.3rem 0.3rem;
    width: 6.86rem;
    margin: -1rem auto 0 auto;
    margin-bottom: 1rem;
    box-shadow: 0px 0.02rem 0.24rem 0px rgb(0 0 0 / 14%);
    border-radius: 0.2rem;
    background-color: white;
    text-align: center;
    z-index: 10;
}

.regist-outwrap .regist-topic {
    display: none;
}

.regist-outwrap .regist-wrap {
    padding: 0.2rem 0;
    border-radius: .1rem;
}

.regist-outwrap .links {
    color: #bbb;
}

.index-wrap {
    margin-bottom: 0;
}

.login-topic {
    position: relative;
    margin-bottom: 0.26rem;
    line-height: 0.6rem;
}

.login-topic::before {
    position: absolute;
    top: 0.1rem;
    left: 0.2rem;
    content: '';
    width: 0.28rem;
    height: 0.18rem;
    background: url('https://m.static.olacio.com/img/v2/lp/202112/teacher/ru/county1.png') no-repeat;
    background-size: 100%;
}

.login-topic::after {
    position: absolute;
    bottom: 0;
    right: 0.2rem;
    content: '';
    width: 0.34rem;
    height: 0.18rem;
    background: url('https://m.static.olacio.com/img/v2/lp/202112/teacher/ru/county2.png') no-repeat;
    background-size: 100%;
}

.login-topic .topic-title,
.login-topic .topic-des,
.topic-des span {
    font-size: 0.44rem;
    font-weight: bold;
    color: #333;
}

.topic-des {
    padding: 0.4rem 0;
}

.topic-des span {
    color: #0785FF;
}

.teacher-list {
    padding: 0 0.2rem;
    margin-bottom: 0.1rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
    text-align: center;
}

.teacher-list .teacher-item {
    padding: 0 0.2rem;
}

.teacher-list dt {
    margin: 0 auto;
    margin-bottom: 0.2rem;
    text-align: center;
    width: 1.88rem;
    height: 1.88rem;
    border-radius: 0.15rem;
    overflow: hidden;
}

.teacher-list h3 {
    margin-bottom: 0.2rem;
    white-space: nowrap;
    font-weight: 500;
    font-weight: bold;
    font-size: 0.28rem;
    color: #0785FF;
}

.teacher-list p {
    line-height: 0.36rem;
    text-align: left;
    font-size: 0.22rem;
    color: #999999;
}

.teacher-service {
    padding: 0.4rem 0;
    margin-bottom: 0.5rem;
    background: url('https://m.static.olacio.com/img/v2/lp/202112/teacher/ru/study-server.png') no-repeat;
    background-size: cover;
}

.teacher-service h2 {
    margin: 0 0 0.4rem 0;
    font-size: 0.44rem;
    color: white;
    text-align: center;
    font-weight: bold;
}
.teaching-material {
    margin-top: 0.2rem;
    margin-bottom: 0.3rem;
}
.service-item {
    padding: 0.4rem;
    background: white;
    border-radius: 0.16rem;
}

.service-item li {
    padding-left: 0.4rem;
    margin-bottom: 0.2rem;
    line-height: 0.4rem;
    font-size: 0.28rem;
    background: url('https://m.static.olacio.com/img/v2/lp/202112/teacher/ru/right.png') no-repeat 0 center;
    background-size: 0.26rem;
}

.service-item li span {
    color: #3883F7;
    font-size: 0.28rem;
}

.media-report {
    margin: 0.4rem 0;
    padding: 0 0.2rem;
}

.report-title {
    padding-bottom: 0.3rem;
    margin-bottom: 0.5rem;
    background: url('https://m.static.olacio.com/img/v2/lp/202112/teacher/ru/line.png') no-repeat center bottom;
    background-size: 0.7rem 0.1rem;
    font-size: 0.44rem;
    font-weight: bold;
    color: #333;
    text-align: center;
}

.media-list {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.media-list li {
    margin-bottom: 0.2rem;
    width: 30%;
    border: 1px solid #efefef;
}

.foot-copyright {
    padding-bottom: 1.5rem;
}


.course-package {
    padding: 0.23rem;
    box-shadow: 0px 4px 18px 0px rgba(0, 0, 0, 0.07);
    overflow: hidden;
    border-radius: 0.12rem;
}

.package-pic {
    float: left;
    margin-left: -0.2rem;
    position: relative;
    width: 2.76rem;
    height: 2.76rem;
}

.package-pic .hot {
    position: absolute;
    width: 1.56rem;
    height: 1.56rem;
    top: -0.33rem;
    left: -0.32rem;
}

.package-des {
    padding-top: 0.3rem;
    overflow: hidden;
    color: #666;
    font-size: 0.24rem;
}

.package-des h4 {
    margin-bottom: 0.2rem;
    font-size: 0.32rem;
    font-weight: bold;
    color: #000;
}

.course-package p {
    margin-bottom: 0.1rem;
    line-height: 0.39rem;
    font-size: 0.24rem;
}

.course-package strong {
    font-size: 0.24rem;
    color: #000;
}

.course-target {
    clear: both;
}

.drop-bar {
    padding: 0.2rem 0;
    font-size: 0.24rem;
    color: #ff1f5a;
    text-align: center;
}

.drop-pic {
    margin-left: 0.05rem;
    display: inline-block;
    width: 0.24rem;
    height: 0.24rem;
    vertical-align: 0.03rem;
}

.drop-inf {
    text-align: left;
    font-size: 0.24rem;
    color: #666;
}

.drop-down,
.sound-cont,
.study-manage {
    position: relative;
}

.drop-down .drop-inf {
    display: block;
    padding-bottom: 0.7rem;
}

.drop-down .drop-pic img {
    transform: rotate(180deg);
}

.drop-down .drop-bar {
    position: absolute;
    width: 100%;
    bottom: 0;
}

.material-cont {
    padding: 0.2rem 0;
    margin-bottom: 0.4rem;
    height: 3.9rem;
    background: #FFFFFF;
    text-align: center;
    box-shadow: 0px 0px 0.16rem 0px rgba(0, 0, 0, 0.12);
    border-radius: 0.16rem;
}
.material-cont img {
    max-width: 90%;
}

.material-cont .meter-foot {
    position: relative;
    bottom:0.38rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0.3rem;
    height: 0.88rem;
    background: #D8ECFF;
    border-radius: 0px 0px 0.16rem 0.16rem;
    color: #0785FF;
    font-size: 0.26rem;
}
.material-cont .meter-foot h3 {
    font-weight: bold;
}
.material-cont .sign-btn {
    width: 2.5rem;
    height: 0.66rem;
    line-height: 0.6rem;
    color: white;
    font-size: 0.28rem;
    background: #0785FF;
    border-radius: 0.33rem;
    text-align: center;
}

.material-inf {
    position: relative;
    padding: 0.2rem 0.4rem;
    font-size: 0.24rem;
    line-height: 0.38rem;
    color:#999;
}
.material-inf::before,.material-inf::after{
    position: absolute;
    font-family: 'iconfont';
    content: '\e639';
    font-size: 0.2rem;
}
.material-inf::before {
    top:0;
    left:0;
    transform: scale(0.5) rotateY(180deg);
}
.material-inf::after {
    bottom:0;
    right:0;
    transform: scale(0.5) rotateX(180deg);
}