.YUGO-body {
    min-height: 100%;
    background: #F8F8F8
}

.YUGO-lecture-header {
    width: 100%;
    height: 405px;
    overflow: hidden;
    position: relative;
}

.YUGO-lecture-header>img {
    height: 100%;
    position: absolute;
    top: 0px;
    left: 50%;
    transform: translateX(-50%);
    display: block;
}

.YUGO-lecture-search {
    width: 800px;
    height: 212px;
    border-radius: 10px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.YUGO-lecture-search-content {
    width: 100%;
    height: 100%;
    position: relative;
}

.YUGO-lecture-search-main {
    width: 575px;
    height: 54px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #ffffff;
    border-radius: 7px;
    overflow: hidden;
    font-size: 0;
}

.YUGO-lecture-search-main input {
    width: calc(100% - 60px);
    height: 100%;
    color: #171717;
    font-size: 16px;
    padding-left: 22px;
    padding-right: 22px;
    display: inline-block;
    vertical-align: top;
    border: none;
    outline: none;
}

.YUGO-lecture-search-btn {
    width: 60px;
    height: 100%;
    background: #10B4B5;
    display: inline-block;
    vertical-align: top;
    cursor: pointer;
}

.YUGO-lecture-search-btn img {
    width: 22px;
    height: 22px;
    margin-top: 15.5px;
    margin-left: 18px;
}

.YUGO-lecture-bottom {
    width: 100%;
    padding-bottom: 30px;
}

.YUGO-lecture-list-content {
    width: 1200px;
    margin: auto;
    padding-top: 28px;
}

.YUGO-lecture-nav {
    width: 100%;
    padding-left: 30px;
    padding-right: 30px;
    padding-top: 40px;
    padding-bottom: 12px;
    background: #ffffff;
    border-radius: 7px;
    font-size: 0;
}

.YUGO-lecture-nav-left {
    width: 58px;
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-nav-left p {
    color: #171717;
    font-size: 16px;
    line-height: 16px;
}

.YUGO-lecture-nav-right {
    width: calc(100% - 58px);
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-nav-right ul li {
    color: #666666;
    font-size: 14px;
    line-height: 14px;
    margin-bottom: 24px;
    margin-right: 30px;
    cursor: pointer;
    display: inline-block;
}

.YUGO-lecture-nav-right ul li:hover {
    color: #10B4B5
}

.li-active {
    color: #10B4B5 !important;
    position: relative;
}

.li-active::after {
    position: absolute;
    height: 32px;
    width: calc(100% + 20px);
    background: rgba(16, 180, 181, 0.1);
    content: '';
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.YUGO-course-list {
    width: 100%;
    font-size: 0;
    margin-top: 60px;
}

.project-product-list {
    width: 382px;
    height: 202px;
    border-radius: 7px;
    background: #ffffff;
    display: inline-block;
    vertical-align: top;
    margin-left: 27px;
    font-size: 0;
    margin-top: 30px;
    cursor: pointer;
}

.project-product-list:hover {
    transform: translate3d(0, -10px, 0);
    transition: all ease 0.3s;
    box-shadow: 0px 0px 13px 0px rgba(0, 0, 0, 0.06);
}

.project-product-list:nth-child(3n+1) {
    margin-left: 0px;
}

.project-product-list:nth-child(1),
.project-product-list:nth-child(2),
.project-product-list:nth-child(3) {
    margin-top: 0px;
}

.project-product-list-left {
    width: 164px;
    height: 100%;
    display: inline-block;
    vertical-align: top;
    position: relative;
    cursor: pointer;
}

.project-product-list-right {
    width: calc(100% - 164px);
    height: 100%;
    display: inline-block;
    vertical-align: top;
    padding-top: 40px;
    padding-right: 12px;
    position: relative;
    cursor: pointer;
}

.project-product-list-right img {
    position: absolute;
    height: 45px;
    bottom: 22px;
    right: 22px;
    cursor: pointer;
}

.project-product-list-left img {
    width: 100%;
    position: absolute;
    left: 0px;
    top: -16px;
    cursor: pointer;
}

.project-product-list-right>p:nth-child(1) {
    color: #171717;
    font-size: 20px;
    font-weight: 600;
    padding-left: 6px;
    cursor: pointer;
}

.project-product-list-right>p:nth-child(1):hover {
    color: #10B4B5;
}

.project-product-list-right>p:nth-child(2) {
    color: #666666;
    font-size: 12px;
    margin-top: 14px;
    padding-left: 16px;
    cursor: pointer;
}

.YUGO-lecture-list {
    width: 100%;
    padding-top: 50px;
    font-size: 0;
}

.YUGO-lecture-list-left {
    width: 850px;
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-list-right {
    width: 330px;
    margin-left: 20px;
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-recommend {
    width: 100%;
    background: #ffffff;
    padding-left: 28px;
    padding-right: 30px;
    border-radius: 7px;
}

.recommend-title {
    width: 100%;
    height: 65px;
    font-size: 28px;
    color: #171717;
    font-weight: 600;
    padding-top: 32px;
}

.recommend-lecture-list {
    width: 100%;
    padding-top: 25px;
    padding-bottom: 25px;
    font-size: 0;
    border-top: 1px solid #EDEDED;
    cursor: pointer;
}

.recommend-lecture-list:nth-child(2) {
    border-top: none;
}

.recommend-lecture-icon {
    width: 160px;
    height: 160px;
    border-radius: 7px;
    overflow: hidden;
    display: inline-block;
    vertical-align: top;
}

.recommend-lecture-icon img {
    width: 100%;
    height: 100%;
    display: block;
}

.recommend-lecture-name {
    width: calc(100% - 160px);
    height: 160px;
    display: inline-block;
    vertical-align: top;
    padding-left: 20px;
    position: relative;
    padding-top: 8px;
    padding-bottom: 15px;
}

.recommend-lecture-name>p:nth-child(1) {
    color: #000000;
    font-size: 18px;
    font-weight: 600;
    line-height: 18px;
}

.recommend-lecture-name>p:nth-child(2) {
    color: #666666;
    font-size: 14px;
    line-height: 20px;
    margin-top: 15px;
}

.lecture-address {
    width: 100%;
    height: 18px;
    padding-left: 20px;
    position: absolute;
    left: 0px;
    bottom: 15px;
    font-size: 0;
}

.lecture-address img {
    width: 14px;
    height: 18px;
    display: block;
    float: left;
}

.lecture-address p {
    color: #666666;
    font-size: 14px;
    float: left;
    margin-left: 10px;
}

.YUGO-lecture-empty {
    width: 100%;
    margin-top: 18px;
    position: relative;
}

.YUGO-lecture-empty img {
    width: 100%;
    display: block;
}

.YUGO-lecture-empty div {
    width: 156px;
    height: 47px;
    background: rgba(16, 180, 181, 0);
    border: 1px solid #FFFFFF;
    border-radius: 24px;
    position: absolute;
    left: 50%;
    bottom: 20px;
    z-index: 10;
    transform: translateX(-50%);
    font-size: 22px;
    font-weight: 800;
    color: #FFFFFF;
    text-align: center;
    line-height: 47px;
    cursor: pointer;
}

.YUGO-lecture-list-body {
    width: 100%;
    height: 100%;
    padding-left: 30px;
    padding-right: 30px;
    border-radius: 7px;
    background: #ffffff;
}

.YUGO-lecture-list-child {
    width: 100%;
    padding-top: 25px;
    padding-bottom: 25px;
    border-top: 1px solid #EDEDED;
    font-size: 0;
    cursor: pointer;
}

.YUGO-lecture-list-child:nth-child(1) {
    border-top: none;
}

.YUGO-lecture-list-cleft {
    width: 128px;
    height: 128px;
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-list-cleft img {
    width: 100%;
    height: 100%;
    display: block;
}

.YUGO-lecture-list-cright {
    width: calc(100% - 128px);
    height: 128px;
    display: inline-block;
    vertical-align: top;
    padding-left: 24px;
    padding-top: 10px;
}

.YUGO-lecture-list-cright-name {
    width: 100%;
}

.YUGO-lecture-list-cright-name>p {
    color: #000000;
    font-size: 18px;
    line-height: 18px;
    font-weight: 600;
}

.YUGO-lecture-list-cright-name>p:hover {
    color: #10B4B5;
}

.lecture-baddress {
    float: right;
}

.lecture-baddress img {
    width: 14px;
    height: 18px;
    display: block;
    float: left;
}

.lecture-baddress p {
    color: #666666;
    font-size: 14px;
    float: left;
    margin-left: 10px;
}

.YUGO-lecture-list-cright-position {
    width: 100%;
    margin-top: 16px;
}

.YUGO-lecture-list-cright-position p {
    color: #666666;
    font-size: 16px;
    line-height: 12px;
}

.YUGO-lecture-list-cright-account {
    width: 100%;
    margin-top: 10px;
}

.YUGO-lecture-list-cright-account p {
    color: #666666;
    font-size: 14px;
    line-height: 22px;
}

.YUGO-lecture-list-cright-label {
    width: 100%;
    height: 28px;
    margin-top: 12px;
}

.YUGO-lecture-list-cright-label>div {
    height: 100%;
    padding-left: 12px;
    padding-right: 12px;
    line-height: 24px;
    border-radius: 14px;
    border: 1px solid #E3E3E3;
    color: #666666;
    font-size: 14px;
    margin-left: 14px;
    display: inline-block;
    vertical-align: top;
}

.YUGO-lecture-list-cright-label>div:nth-child(1) {
    margin-left: 0px;
}

.material-modal-mask {
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    left: 0px;
    top: 0px;
    z-index: 100;
    display: none;
}

.material-modal-content {
    width: 411px;
    height: 440px;
    background: #FFFFFF;
    border: 1px solid #999999;
    border-radius: 15px;
    position: relative;
    margin-left: calc((100vw - 411px) / 2);
    margin-top: calc((100vh - 454px) / 2);
}

.material-modal-content span {
    font-size: 20px;
    color: #000000;
    line-height: 30px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 68px;
    white-space: nowrap;
}

.material-modal-code {
    width: 250px;
    height: 250px;
    background: url('https://yuguwechat.oss-cn-shanghai.aliyuncs.com/center/book/wechart-code-border.png') no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 135px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px;
}

.material-modal-code img {
    width: 100%;
    height: 100%;
}

.material-modal-content .close {
    width: 60px;
    height: 60px;
    position: absolute;
    right: 0px;
    top: 0px;
    background: url('https://yuguwechat.oss-cn-shanghai.aliyuncs.com/center/book/close.png') no-repeat;
    background-size: 26px 26px;
    background-position: center center;
    cursor: pointer;
}