.full {
    background-color: #f2f2f2;
}

.layer {
    padding: 20px;
}

.clearfix {
    zoom: 1
}

.clearfix:after {
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.mb0 {
    margin-bottom: 0;
}

.padding20 {
    padding: 20px;
}

.text-center {
    text-align: center;
}

.qrcode img {
    width: 160px;
    height: 160px;
    border: 3px dashed #ccc;
}

.breadcrumb {
    margin-bottom: 20px;
}

.wrap {
    padding: 20px;
    margin-bottom: 20px;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.layer-wrap {
    padding: 20px;
    margin-bottom: 20px;
}

.pager {
    text-align: center;
}

.loading {
    padding: 30px;
    text-align: center;
}

.layout-content {
    float: left;
    width: 800px;
}

.layout-sidebar {
    float: right;
    width: 320px;
}

.layui-fixbar {
    bottom: 60px;
}

body {
    display: flex;
    flex-flow: column;
    min-height: 100vh;
}

#header {
    left: 0;
    top: 0;
    width: 100%;
    z-index: 1000;
    position: fixed;
    background-color: #393D49;
}

#main {
    margin-top: 80px;
    margin-bottom: 30px;
    flex: 1;
}

#footer {
    width: 100%;
    padding: 30px 0;
    background: #474443;
    text-align: center;
    font-size: 12px;
}

.logo {

}

.top-nav {
    margin-left: 100px;
}

.search {
    position: absolute;
    top: 15px;
    right: 240px;
    width: 250px;
}

.search .layui-input {
    border: none;
    height: 30px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    background-color: rgba(255, 255, 255, 0.05);
}

#footer span, #footer a {
    color: #999;
}

#footer a:hover {
    color: #fff;
}

.bottom-nav {
    margin-bottom: 10px;
    line-height: 18px;
}

.copyright {
    line-height: 18px;
}

.bottom-nav a, .copyright span, .copyright a {
    margin-right: 10px;
}

.layout-sidebar .loading {
    padding: 15px;
    text-align: center;
}

.layout-sidebar .sidebar {
    margin-bottom: 15px;
}

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

.index-wrap .layui-tab-title {
    border: none;
}

.index-wrap .layui-tab-content {
    padding: 20px 0 0 0;
}

.index-wrap .header {
    text-align: center;
    font-size: 18px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f6f6f6;
}

.index-course-list .course-card {
    box-shadow: none;
}

.index-course-list .course-card .info {
    border: 1px solid #eee;
    padding-bottom: 18px;
}

.index-carousel {
    text-align: center;
}

.index-carousel .slide {
    width: auto;
    height: 270px;
    max-height: 270px;
}

.search-empty {
    padding: 50px 0;
    text-align: center;
}

.search-empty .icon {
    margin-bottom: 30px;
}

.search-empty .icon .layui-icon {
    font-size: 150px;
    color: #393D49;
}

.search-empty .text {
    color: #666;
    font-size: 18px;
}

.search-empty .text .query {
    color: red;
    padding: 0 5px;
}

.search-course-list {
    margin-bottom: 30px;
}

.search-course-card {
    padding-bottom: 15px;
    margin-bottom: 15px;
    border-bottom: 1px dashed #ccc;
}

.search-course-card:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border: none;
}

.search-course-card .cover {
    float: left;
    width: 210px;
    height: 118px;
    margin-right: 15px;
}

.search-course-card .cover img {
    width: 100%;
    height: 100%;
}

.search-course-card .info {
    float: left;
    width: 500px;
    color: #666;
    font-size: 12px;
}

.search-course-card .title {
    margin-bottom: 10px;
    font-size: 14px;
    white-space: nowrap;
}

.search-course-card .summary {
    margin-bottom: 10px;
    line-height: 1.5em;
    max-height: 4.5em;
    word-wrap: break-word;
    overflow: hidden;
}

.search-course-card .meta span {
    margin-right: 10px;
}

.search-course-card em {
    color: red;
    font-style: normal;
}

.query-badge {
    padding: 2px 5px;
    margin-right: 5px;
    margin-bottom: 5px;
}

.page-info {
    padding: 20px 50px;
    min-height: 500px;
}

.page-info .page-content {
}

.page-info .help-content {
    min-height: 50px;
}

.page-info .layui-field-title legend {
    margin: 0 10px 10px 0;
    padding: 0 10px;
    text-align: center;
}

.topic-info {
    padding-top: 10px;
    margin-bottom: 40px;
}

.topic-info .layui-field-title {
    border-color: #d2d2d2;
}

.topic-info .layui-field-title legend {
    text-align: center;
}

.course-list {
    margin-bottom: 20px;
}

.course-card {
    float: left;
    width: 100%;
    height: 230px;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.course-card .cover {
    overflow: hidden;
}

.course-card .cover img {
    width: 270px;
    height: 152px;
    transition: all 0.6s;
}

.course-card .cover img:hover {
    transform: scale(1.2);
}

.course-card .info {
    padding: 10px 5px;
}

.course-card .title {
    margin-bottom: 10px;
}

.course-card .meta {
    color: #666;
    font-size: 12px;
}

.course-card .meta span {
    margin-right: 10px;
}

.course-card .meta span:last-child {
    margin-right: 0;
}

.course-card .price {
    color: red;
}

.course-card .free {
    color: green;
}

.filter-toggle {
    text-align: center;
    margin-top: -10px;
    margin-bottom: 10px;
    cursor: pointer;
}

.course-filter {
    margin-bottom: 20px;
}

.filter-group {
    padding-bottom: 5px;
    height: 40px;
    line-height: 40px;
}

.filter-group .title {
    float: left;
    width: 50px;
    font-weight: 700;
}

.filter-group .content {
    float: left;
}

.filter-group .content a {
    margin-right: 15px;
}

.course-sort {
    padding: 10px 20px;
    margin-bottom: 20px;
}

.course-sort a {
    margin-right: 20px;
}

.course-meta .cover {
    float: left;
    margin-right: 10px;
}

.course-meta .info {
    position: relative;
    float: left;
    width: 80%;
}

.course-meta .share {
    position: absolute;
    top: 0;
    right: 0;
}

.course-meta .share a {
    margin-right: 5px;
    color: #999;
}

.course-meta .share a:hover {
    color: #000;
}

.course-meta .price {
    color: red;
    font-size: 14px;
}

.course-meta .free {
    color: green;
}

.course-meta span {
    color: #666;
    margin: 0 5px;
}

.course-meta .cover img {
    width: 210px;
    height: 118px;
}

.course-meta p {
    line-height: 30px;
}

.course-tab-wrap {
    position: relative;
}

.course-tab-wrap .tab-count {
    position: absolute;
    top: 25px;
    font-size: 12px;
    color: #666;
}

.course-tab-wrap .package-count {
    left: 275px;
}

.course-tab-wrap .consult-count {
    left: 370px;
}

.course-tab-wrap .review-count {
    left: 465px;
}

.course-tab {
    margin: 0;
}

.course-tab .layui-tab-content {
    padding: 20px 0;
}

.course-tab .loading {
    text-align: center;
    padding: 15px;
}

.course-tab .loading .layui-icon {
    font-size: 30px;
}

.course-details {
    font-size: 12px;
    color: #666;
}

.lesson-item {
    position: relative;
    padding: 0 10px;
    line-height: 35px;
}

.lesson-item a {
    display: block;
}

.lesson-item .deny {
    cursor: default;
    color: gray;
}

.lesson-item .title {
    margin: 0 5px;
}

.lesson-item .free-badge {
    margin-right: 5px;
}

.lesson-item .duration, .lesson-item .live {
    top: 0;
    right: 10px;
    position: absolute;
    color: #666;
}

.lesson-item .study-time {
    color: green;
}

.lesson-item:hover {
    background-color: #f2f2f2;
}

.package-item {
    margin-bottom: 20px;
    border-bottom: 1px dashed #ccc;
}

.package-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border: none;
}

.package-info {
    float: left;
    width: 180px;
    font-size: 12px;
    text-align: center;
    overflow: hidden;
}

.package-info span {
    margin-right: 5px;
}

.package-info .title {
    padding: 0 10px;
    margin-bottom: 10px;
}

.package-info .origin-price {
    color: #666;
    margin-bottom: 10px;
}

.package-info .origin-price i {
    font-style: normal;
    text-decoration: line-through;
}

.package-info .price {
    color: #666;
    margin-bottom: 10px;
}

.package-info .price i {
    color: red;
    font-style: normal;
}

.package-course-list {
    width: 580px;
    height: 180px;
    overflow-x: auto;
    white-space: nowrap;
}

.package-course-list .separator {
    color: #666;
    display: inline-block;
    padding-top: 35px;
    margin-left: -5px;
    margin-right: 4px;
}

.package-course-card {
    width: 175px;
    height: 160px;
    display: inline-block;
    margin-right: 8px;
    vertical-align: top;
    box-shadow: 0 4px 8px 0 rgba(7, 17, 27, 0.1);
}

.package-course-card .cover {
    width: 175px;
    height: 95px;
    margin-bottom: 10px;
}

.package-course-card .cover img {
    width: 100%;
    height: 100%;
}

.package-course-card .title {
    font-size: 12px;
    padding: 0 5px;
    text-align: center;
    white-space: normal;
}

.review-card {
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px dashed #ccc;
}

.review-card:last-child {
    border-bottom: none;
}

.review-card .avatar {
    float: left;
    width: 60px;
    height: 60px;
    margin-right: 15px;
}

.review-card .avatar img {
    width: 100%;
    height: 100%;
    border-radius: 60px;
}

.review-card .info {
    float: left;
    width: 650px;
}

.review-card .rating {
    position: absolute;
    top: 0;
    right: 0;
    margin-bottom: 10px;
}

.review-card .rating .layui-icon {
    color: orange;
    font-size: 12px;
}

.review-card .title {
    margin-bottom: 10px;
}

.review-card .user {
    margin-bottom: 15px;
    color: #666;
}

.review-card .content {
    margin-bottom: 15px;
    word-wrap: break-word;
    white-space: pre-wrap;
    color: #666;
}

.review-card .footer {
    line-height: 1.2em;
    color: #666;
}

.review-card .footer span {
    margin-right: 10px;
}

.like .icon-praise {
    margin-right: 5px;
    cursor: pointer;
}

.like .active, .like .icon-praise:hover {
    color: green;
}

.like .like-count {
    font-style: normal;
}

.sidebar-order .order {
    margin-bottom: 10px;
}

.sidebar-order .reward-btn {
    width: 84px;
    margin: 5px;
}

.sidebar-teacher-card {
    margin-bottom: 15px;
}

.sidebar-teacher-card .avatar {
    float: left;
    width: 60px;
    height: 60px;
    margin-right: 10px;
}

.sidebar-teacher-card .avatar img {
    width: 100%;
    height: 100%;
    border-radius: 60px;
}

.sidebar-teacher-card .info {
    float: left;
    padding: 5px 0;
}

.sidebar-teacher-card .info .name {
}

.sidebar-teacher-card .info .title {
    color: #666;
    font-size: 12px;
}

.topic-badge {
    padding: 2px 5px;
    margin-right: 5px;
    margin-bottom: 5px;
}

.sidebar-course-card {
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px dashed #ccc;
}

.sidebar-course-card:last-child {
    border-bottom: none;
}

.sidebar-course-card .cover {
    float: left;
    width: 90px;
    height: 50px;
    margin-right: 5px;
}

.sidebar-course-card .cover img {
    width: 100%;
    height: 100%;
}

.sidebar-course-card .info {
    float: left;
    width: 190px;
    color: #666;
    font-size: 12px;
    overflow: hidden;
}

.sidebar-course-card .title {
    white-space: nowrap;
}

.sidebar-course-card .meta span {
    margin-right: 10px;
}

.sidebar-chapter .layui-field-title {
    margin-top: 0;
}

.sidebar-chapter .layui-field-title legend {
    text-align: center;
}

.sidebar-chapter-list {
    height: 405px;
    overflow-y: auto;
}

.sidebar-chapter-list .chapter-title {
    padding-top: 10px;
    margin-bottom: 10px;
    color: #333;
    background-color: #fff;
}

.sidebar-lesson-list {
    margin-left: 15px;
}

.sidebar-lesson-list .lesson-title {
    line-height: 30px;
    font-size: 12px;
}

.lesson-title .active {
    color: red;
}

.lesson-title .deny {
    color: gray;
}

.rating-form .layui-rate {
    padding-top: 6px;
}

.read-info {
    min-height: 428px;
    margin-bottom: 0;
}

.chapter-action {
    position: relative;
    padding: 20px;
    margin-bottom: 0;
}

.chapter-action .layui-icon {
    margin-right: 5px;
    cursor: pointer;
}

.chapter-action .active, .chapter-action .layui-icon:hover {
    color: green;
}

.chapter-action span {
    margin-right: 5px;
}

.chapter-action i {
    margin-right: 5px;
}

.chapter-action em {
    font-style: normal;
    color: #999;
}

#icon-danmu-set {
    position: absolute;
    top: 22px;
    right: 530px;
}

.chapter-action .layui-input {
    position: absolute;
    top: 15px;
    right: 20px;
    width: 500px;
    height: 32px;
    line-height: 32px;
    font-size: 12px;
}

.player-wrap {
    position: relative;
    width: 760px;
    height: 428px;
}

.chat-wrap {
    padding: 10px 20px 20px 20px;
    background-color: white;
}

.vip-icon {
    color: orange;
}

.chat-msg-list {
    height: 380px;
    margin-bottom: 10px;
    overflow-y: auto;
}

.chat-msg-list .chat, .chat-msg-list .chat-sys {
    margin-bottom: 10px;
    line-height: 25px;
    word-break: break-all;
}

.chat-sys {
    color: #999;
}

.chat-sys span, .chat span {
    margin-right: 5px;
}

.chat .user {
    color: orange;
}

.chat .content {
    color: #666;
}

.chat-login-tips {
    border-top: 1px solid #f2f2f2;
    padding-top: 10px;
    text-align: center;
    font-size: 12px;
    color: #999;
}

.chat-msg-form .layui-input {
    height: 32px;
    font-size: 12px;
    color: #666;
}

.live-stats {
    height: 420px;
    color: #666;
}

.live-stats .stats {
    margin-bottom: 15px;
}

.live-stats .count {
    margin-right: 10px;
}

.vip-header {
    font-size: 18px;
    text-align: center;
    margin-bottom: 30px;
}

.vip-reason-list {
    padding: 30px;
    margin-bottom: 30px;
    text-align: center;
}

.vip-reason-list .reason-badge {
    height: 30px;
    line-height: 30px;
    padding: 0 10px;
    margin-right: 15px;
    background-color: #1E9FFF;
}

.vip-option-list {
    margin-bottom: 30px;
}

.vip-option-card {
    float: left;
    width: 100%;
    height: 170px;
    background-color: #fff;
    border-radius: 2px;
    text-align: center;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.vip-option-card .title {
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 18px;
}

.vip-option-card .price {
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 600;
    color: red;
}

.cart-course-card {
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px dashed #ccc;
}

.cart-course-card:last-child {
    padding: 0;
    margin: 0;
    border-bottom: none;
}

.cart-course-card .cover {
    float: left;
    margin-right: 10px;
}

.cart-course-card .cover img {
    width: 175px;
    height: 95px;
}

.cart-course-card p {
    line-height: 30px;
}

.cart-course-card .info {
    float: left;
    font-size: 12px;
}

.cart-course-card span {
    color: #666;
    margin: 0 5px;
}

.cart-course-card .price {
    color: red;
}

.cart-stats .info {
    float: left;
    line-height: 38px;
}

.cart-stats .amount {
    color: red;
}

.cart-stats .pay-amount {
    font-size: 18px;
    font-weight: 700;
}

.cart-stats span {
    color: #666;
    margin-right: 15px;
}

.cart-form {
    float: right;
}

.payment .header {
    padding-bottom: 15px;
    border-bottom: 1px solid #f6f6f6;
    line-height: 30px;
    text-align: center;
}

.payment .header span {
    color: #666;
    margin-right: 20px;
}

.payment .header .amount {
    color: red;
    font-size: 18px;
    font-weight: 700;
}

.payment .channel {
    margin-top: 50px;
    margin-bottom: 50px;
    text-align: center;
}

.channel .alipay, .channel .wxpay {
    width: 200px;
    height: 80px;
    display: inline-block;
    margin-right: 15px;
    background-color: #f2f2f2;
}

.channel .alipay {
    background-image: url("/static/web/img/alipay.png");
    background-repeat: no-repeat;
    background-position: center center;
}

.channel .wxpay {
    background-image: url("/static/web/img/wxpay.png");
    background-repeat: no-repeat;
    background-position: center center;
}

.payment .footer {
    text-align: center;
}

.payment .footer .tips {
    color: #999;
    font-size: 12px;
}

#pay-layer {
    padding-top: 50px;
}

#pay-layer .qrcode {
    text-align: center;
}

#pay-layer .qrcode img {
    width: 160px;
    height: 160px;
    border: 3px dashed #ccc;
}

#pay-layer .success-tips {
    color: green;
    text-align: center;
}

.account-wrap {
    padding-top: 40px;
    padding-bottom: 30px;
}

.account-form {
    width: 400px;
    margin: 0 auto;
}

.account-form .layui-input-block {
    margin-left: 0;
}

.account-form .verify-input-inline {
    display: inline-block;
    width: 283px;
    margin-right: 5px;
}

.account-form .verify-btn-inline {
    display: inline-block;
    vertical-align: top;
}

.verify-btn-inline button {
    min-width: 108px;
}

.login-tab {
    margin: 0;
}

.login-tab .layui-tab-title {
    text-align: center;
}

.login-tab .layui-tab-content {
    padding-top: 30px;
}

.login-wrap .link {
    margin-bottom: 30px;
    font-size: 12px;
    text-align: center;
}

.login-wrap .link a {
    color: #999;
}

.login-wrap .link .separator {
    margin: 0 15px;
    color: #999;
}

.user-profile {
    position: relative;
}

.user-profile .avatar {
    float: left;
    margin-right: 30px;
}

.user-profile .avatar img {
    width: 96px;
    height: 96px;
    border-radius: 100px;
}

.user-profile .vip-icon {
    color: orange;
}

.user-profile .info {
    float: left;
}

.user-profile .info h3 {
    padding-top: 5px;
    margin-bottom: 10px;
}

.user-profile .info p {
    margin-bottom: 10px;
    color: #666;
}

.user-profile .info span {
    color: #999;
    margin-right: 5px;
}

.user-profile .about {
    position: absolute;
    top: 25px;
    right: 20px;
    width: 400px;
    height: 70px;
    padding: 10px;
    color: #999;
    font-size: 12px;
    background-color: #f2f2f2;
}

.user-tab {
    margin: 0;
}

.user-tab .layui-tab-title {
    text-align: center;
    border-bottom: none;
}

.user-tab .layui-tab-content {
    padding: 20px 0 0 0;
}

.user-tab .loading {
    text-align: center;
    padding: 15px;
}

.user-tab .loading .layui-icon {
    font-size: 30px;
}

.learning-course-card {
    height: 260px;
}

.learning-course-card .progress {
    padding-top: 15px;
    padding-bottom: 10px;
}

.learning-course-card .duration {
    font-size: 12px;
    color: #666;
}

.teach-user-list {
    margin-bottom: 30px;
}

.vip-user-list {
    margin-bottom: 30px;
}

.user-card {
    float: left;
    width: 100%;
    height: 220px;
    position: relative;
    text-align: center;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.user-card .avatar {
    margin-top: 25px;
    margin-bottom: 15px;
}

.user-card .avatar img {
    width: 96px;
    height: 96px;
    border-radius: 100px;
    transition: 0.5s;
}

.user-card .avatar img:hover {
    transform: rotateY(180deg);
}

.user-card .name {
    margin-bottom: 15px;
}

.user-card .title {
    color: #666;
    font-size: 12px;
}

.user-card .vip {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 1px 3px;
    border-radius: 2px;
    text-align: center;
    font-size: 12px;
    line-height: 1.5em;
    background-color: orange;
    color: white;
}

.user-card .action span {
    cursor: pointer;
}

.my-profile-card {
    text-align: center;
}

.my-profile-card .avatar {
    margin-bottom: 10px;
}

.my-profile-card .avatar img {
    width: 96px;
    height: 96px;
    border-radius: 100px;
}

.my-profile-card .name {
    margin-bottom: 10px;
}

.my-menu li {
    line-height: 30px;
    text-align: center;
}

.my-nav-title {
    font-size: 16px;
    padding-bottom: 15px;
    margin-bottom: 30px;
    border-bottom: 1px solid #e6e6e6;
}

.my-form {
    width: 95%;
}

.security-item {
    padding: 15px;
    line-height: 50px;
    border-bottom: 1px dashed #ccc;
}

.security-item:last-child {
    border-bottom: none;
}

.security-item .icon {
    margin-right: 15px;
}

.security-item .title {
    margin-right: 15px;
}

.security-item .summary {
    color: #666;
}

.security-item .action {
    float: right;
}

.order-filter {
    line-height: 40px;
    margin-bottom: 20px;
}

.order-filter a {
    margin-right: 30px;
}

.kg-table p {
    line-height: 1.8em;
}

.order-table .price {
    color: red;
}

.order-item {
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid #e6e6e6;
}

.order-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.order-item span {
    margin-right: 8px;
}

.im-search-wrap {
    padding: 20px;
    background-color: #f2f2f2;
}

.im-search {
    margin-bottom: 10px;
}

.im-user-list .user-card {
    height: 150px;
    font-size: 12px;
    color: #666;
}

.im-user-list .avatar {
    margin-top: 15px;
    margin-bottom: 10px;
}

.im-user-list .avatar img {
    width: 64px;
    height: 64px;
    border-radius: 100%;
}

.im-user-list .name {
    margin-bottom: 10px;
    padding: 0 5px;
}

.im-user-list .vip {
    top: 5px;
    right: 5px;
    font-size: 10px;
}

.layim-msgbox {
    margin: 15px;
}

.layim-msgbox li {
    position: relative;
    margin-bottom: 10px;
    padding: 0 130px 10px 60px;
    line-height: 22px;
    border-bottom: 1px dotted #e2e2e2;
}

.layim-msgbox-system {
    padding: 0 10px 10px 10px;
}

.layim-msgbox li p span {
    padding-left: 5px;
    color: #999;
}

.layim-msgbox li p em {
    font-style: normal;
    color: #FF5722;
}

.layim-msgbox-avatar {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 50px;
}

.layim-msgbox-user {
    padding-top: 5px;
}

.layim-msgbox-content {
    margin-top: 3px;
}

.layim-msgbox .layui-btn-small {
    padding: 0 15px;
    margin-left: 5px;
}

.layim-msgbox-btn {
    position: absolute;
    right: 0;
    top: 12px;
    color: #999;
}

.layui-layim-list li .msg-count {
    position: absolute;
    top: 10px;
    right: 10px;
}

.layim-chat-list li .msg-count {
    position: absolute;
    top: 5px;
    right: 30px;
}

.layim-chat-status .online {
    color: green;
}

.layim-chat-status .offline {
    color: gray;
}