.header-container {
    position: relative;
    width: 100%;
    height: 961px;
    text-align: center;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/header-bg.jpg");
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}
.header-introduction {
    position: absolute;
    top: 546px;
    left: 0;
    right: 0;
    margin: auto;
    padding-bottom: 17px;
    width: 809px;
    font-size: 20px;
    line-height: 33px;
    text-align: center;
    color: #333333;
    border-bottom: 2px solid #947867;
}
.header-img{
    position: relative;
    margin-bottom: 21px;
}
.header-img img {
    width: 116px;
    height: 35px;
}
.header-img::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 5px;
    width: 336px;
    height: 2px;
    background: #947867;
}
.header-img::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 5px;
    width: 336px;
    height: 2px;
    background: #947867;
}
.page-nav {
    position: fixed;
    width: 100%;
    height: 47px;
    text-align: center;
    z-index: 2;
}
.nav-wrap {
    display: inline-block;
    padding: 4px;
    border: 1px solid #2D4143;
    background: #ffffff;
}
.nav-wrap .nav {
    width: 545px;
    height: 47px;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/nav-bg.png");
    background-size: 100% 100%;
}
.nav-wrap .nav li {
    display: inline-block;
    position: relative;
    width: 96px;
}
.nav-wrap .nav li::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 1px;
    height: 11px;
    background: #DABDAC;
}
.nav-wrap .nav li:last-of-type::after {
    display: none;
}
.nav-wrap .nav li a{
    font-size: 14px;
    line-height: 40px;
    color: #808283;
}
.nav-wrap .nav li.active a{
    color: #333333;
}

@media (min-width: 992px) {
    .page-nav {
        height: 52px;
    }
    .nav-wrap {
        padding: 5px;
    }
    .nav-wrap .nav{
        width: 610px;
        height: 52px;
    }
    .nav-wrap .nav li{
        width: 96px;
    }
    .nav-wrap .nav li::after {
        height: 12px;
    }
    .nav-wrap .nav li a{
        font-size: 16px;
        line-height: 52px;
    }
}

@media (min-width: 1200px) {
    .page-nav {
        height: 86px;
    }
    .nav-wrap {
        padding: 8px;
    }
    .nav-wrap .nav{
        width: 1164px;
        height: 86px;
    }
    .nav-wrap .nav li{
        width: 185px;
    }
    .nav-wrap .nav li::after {
        height: 24px;
    }
    .nav-wrap .nav li a{
        font-size: 30px;
        line-height: 86px;
    }
}
.section-container-wrap{
    position: relative;
}
.section-container-wrap em {
    position: absolute;
    top: -100px;
}

.section-title {
    width: auto;
    height: 40px;
    text-align: center;
}
.section-sub-title {
    margin-top: 10px;
    font-size: 16px;
    line-height: 19px;
    font-weight: 500;
    color: #2D4143;
}
.section-sub-title span {
    font-size: 12px;
    line-height: 19px;
    font-weight: 400;
}

@media (min-width: 992px) {
    .section-container-wrap em {
        top: -120px;
    }
    
    .section-title {
        height: 48px;
    }
    .section-sub-title {
        margin-top: 13px;
        font-size: 19px;
        line-height: 23px;
    }
    .section-sub-title span {
        font-size: 15px;
        line-height: 23px;
    }
}

@media (min-width: 1200px) {
    .section-container-wrap em {
        top: -200px;
    }
    
    .section-title {
        height: 77px;
    }
    .section-sub-title {
        margin-top: 20px;
        font-size: 30px;
        line-height: 36px;
    }
    .section-sub-title span {
        font-size: 24px;
        line-height: 36px;
    }
}

.step-list {
    margin: 57px auto 0;
}

.step-list > img {
    width: 938px;
    margin-bottom: 29px;
}

.step-flex {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    flex-wrap: wrap;
}

@media (min-width: 992px) {
    .step-list {
        width: 940px;
    }
    .step-con {
        width: 220px;
    }
    .step-con::after {
        width: 220px;
        height: 165px;
    }
    .step-list > img {
        width: 838px;
    }
}

@media (min-width: 1200px) {
    .step-list {
        width: 1180px;
    }
    .step-con {
        width: 280px;
    }
    .step-con::after {
        width: 280px;
        height: 210px;
    }
    .step-list > img {
        width: 938px;
    }
}
.step-item-wrap {
    margin-bottom: 18px;
}
.schedule-wrap {
    position: relative;
    margin-bottom: 12px;
}
.schedule-node {
    position: relative;
    margin-top: 7px;
    margin: auto;
    width: 9px;
    height: 9px;
    border-radius: 9px;
    border: 1px solid #2D4143;
    background: #ffffff;
}
.schedule-wrap::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 5px;
    width: 155px;
    height: 2px;
    background: #73999C;
}
.schedule-wrap::after {
    content: '';
    position: absolute;
    right: -6px;
    bottom: 1px;
    width: 22px;
    height: 21px;
    background: url('https://assets-cdn.lanqb.com/topics/ancientStudy/arrow.gif?0729') no-repeat;
    background-size: 100%;
}
.step-item-wrap:nth-child(4n) .schedule-wrap::before,
.step-item-wrap:nth-child(4n) .schedule-wrap::after {
    display: none;
}

.schedule-point {
    position: absolute;
    display: block;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 5px;
    height: 5px;
    border-radius: 5px;
    background: #2D4143;
}
.schedule-node-text {
    font-size: 12px;
    line-height: 19px;
}

@media (min-width: 992px) {
    .step-item-wrap {
        margin-bottom: 21px;
    }
    .schedule-wrap {
        margin-bottom: 14px;
    }
    .schedule-node {
        margin-top: 4px;
        width: 11px;
        height: 11px;
        border-radius: 11px;
    }
    .schedule-wrap::before {
        bottom: 5px;
        width: 240px;
    }
    .schedule-wrap::after {
        right: -7px;
        bottom: 1px;
        width: 12px;
        height: 11px;
    }
    
    .schedule-point {
        width: 6px;
        height: 6px;
        border-radius: 6px;
    }
    .schedule-node-text {
        font-size: 15px;
        line-height: 22px;
    }
}

@media (min-width: 1200px) {
    .step-item-wrap {
        margin-bottom: 34px;
    }
    .schedule-wrap {
        margin-bottom: 23px;
    }
    .schedule-node {
        margin-top: 7px;
        width: 18px;
        height: 18px;
        border-radius: 18px;
    }
    .schedule-wrap::before {
        bottom: 8px;
        width: 300px;
    }
    .schedule-wrap::after {
        right: -10px;
        bottom: -1px;
        width: 22px;
        height: 21px;
    }
    
    .schedule-point {
        width: 10px;
        height: 10px;
        border-radius: 10px;
    }
    .schedule-node-text {
        font-size: 24px;
        line-height: 36px;
    }
}

.step-con {
    position: relative;
}

.step-con:hover .step-img-wrap::before {
    z-index: 1;
    content: '点击查看自学宝典';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 172px;
    line-height: 40px;
    border: 1px solid #fff;
    border-radius: 20px;
    font-size: 18px;
    color: #fff;
    transform: translate(-50%, -50%);
}

.step-con:hover .step-img-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(0, 0, 0, .6);
}
.step-con .step-img-wrap {
    position: relative;
    width: 100%;
    height: auto;
}
.step-con .step-img-wrap img {
    width: 100%;
}

.step-des {
    width: 100%;
    padding: 24px 0;
    background: #FFF9F6;
    border: 1px solid #2D4143;
    border-top: none;
}

.progress-wrap {
    margin: 0 auto;
    margin-top: 22px;
    width: 186px;
    height: 14px;
    border-radius: 14px;
    background: #E5E5E5;
}

.progress {
    position: relative;
    height: 100%;
    border-radius: 14px;
    background: #EEC9AC;
}

.progress img {
    position: absolute;
    top: -7px;
    right: -12px;
    width: 28px;
    height: 27px;
}

.step-text {
    padding: 0 15px;
    text-align: left;
    font-size: 20px;
    color: #333333;
}

.step-text span {
    float: right;
    margin-top: 3px;
    font-size: 16px;
    color: #666666;
}

@media (min-width: 992px) {
    .step-des {
        padding: 15px 0;
    }
    
    .step-text {
        padding: 0 10px;
        font-size: 16px;
    }
    
    .step-text span {
        font-size: 12px;
    }
}

@media (min-width: 1200px) {
    .step-des {
        padding: 24px 0;
    }
    
    .step-text {
        font-size: 20px;
    }
    
    .step-text span {
        font-size: 16px;
    }
}

.section1-container {
    padding-top: 95px;
    width: 100%;
    height: 751px;
    text-align: center;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section1-bg.jpg");
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}

.section2-container {
    padding-top: 100px;
    width: 100%;
    height: 1168px;
    text-align: center;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section2-bg.jpg");
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}
.section3-container {
    padding-top: 100px;
    width: 100%;
    height: 1168px;
    text-align: center;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section3-bg.jpg");
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}
.section4-container {
    padding-top: 97px;
    width: 100%;
    height: 1162px;
    text-align: center;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section4-bg.jpg");
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}
.section5-container {
    padding-top: 100px;
    width: 100%;
    height: 1168px;
    text-align: center;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section5-bg.jpg");
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}
.section6-container {
    padding-top: 100px;
    width: 100%;
    height: 1229px;
    text-align: center;
    background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section6-bg.jpg");
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}
.section7-container {
    padding-top: 100px;
    width: 100%;
    height: 723px;
    text-align: center;
    /* background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section7-bg.jpg"); */
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position-x: center;
}

@media (min-width: 992px) {
    .header-container {
        height: 775.81px;
        background-size: 1550px auto;
    }
    .section1-container {
        padding-top: 95px;
        height: 606.28px;
        background-size: 1550px auto;
    }
    
    .section2-container {
        padding-top: 100px;
        height: 942.92px;
        background-size: 1550px auto;
    }
    .section3-container {
        padding-top: 100px;
        height: 942.92px;
        background-size: 1550px auto;
    }
    .section4-container {
        padding-top: 97px;
        height: 938.07px;
        background-size: 1550px auto;
    }
    .section5-container {
        padding-top: 100px;
        height: 942.92px;
        background-size: 1550px auto;
    }
    .section6-container {
        padding-top: 100px;
        height: 992.16px;
        background-size: 1550px auto;
    }
    .section7-container {
        padding-top: 100px;
        height: 583.67px;
        background-size: 1550px auto;
    }
}

@media (min-width: 1200px) {
    .header-container {
        height: 961px;
        background-size: 1920px auto;
    }
    .section1-container {
        padding-top: 95px;
        height: 751px;
        background-size: 1920px auto;
    }
    
    .section2-container {
        padding-top: 100px;
        height: 1168px;
        background-size: 1920px auto;
    }
    .section3-container {
        padding-top: 100px;
        height: 1168px;
        background-size: 1920px auto;
    }
    .section4-container {
        padding-top: 97px;
        height: 1162px;
        background-size: 1920px auto;
    }
    .section5-container {
        padding-top: 100px;
        height: 1168px;
        background-size: 1920px auto;
    }
    .section6-container {
        padding-top: 100px;
        height: 1229px;
        background-size: 1920px auto;
    }
    .section7-container {
        padding-top: 100px;
        height: 723px;
        background-size: 1920px auto;
    }
}

.section6-img {
    margin-top: 63px;
    width: 1198px;
    height: auto;
}
.section6-btn {
    display: block;
    margin: auto;
    margin-top: 78px;
    width: 293px;
    height: 78px;
}
.section6-btn img {
    width: 100%;
    height: 100%;
}

.s-container {
    position: relative;
    margin: 60px auto 0;
}

@media (min-width: 992px) {
    .section6-img {
        width: 940px;
    }
    .section6-btn {
        margin-top: 63px;
        width: 236px;
        height: 62px;
    }
    .s-container {
        width: 920px;
    }
}

@media (min-width: 1200px) {
    .section6-img {
        margin-top: 63px;
        width: 1198px;
        height: auto;
    }
    .section6-btn {
        margin-top: 78px;
        width: 293px;
        height: 78px;
    }
    .s-container {
        width: 1180px;
    }
}

.swiper-button-prev, .swiper-button-next {
    position: absolute;
    background-image: none;
    font-size: 44px;
    color: #9FA8A7;
}

.swiper-button-prev {
    left: -96px;
}

.swiper-button-next {
    right: -96px;
}

.swiper-slide {
    position: relative;
    text-align: left;
}

.swiper-slide img {
    width: 100%;
}

.swiper-slide p {
    opacity: .9;
    position: absolute;
    bottom: 0;
    width: 100%;
    line-height: 46px;
    border-radius:0px 0px 5px 5px;
    padding: 0 15px;
    background-color: rgba(243, 225, 214, 0.9);
    font-size: 18px;
    color: #333333;
}

.swiper-slide p span {
    float: right;
    font-size: 23px;
}

.swiper-slide:last-child a {
    position: relative;
    display: block;
    width: 100%;
    padding-top: 75%;
    border-radius: 5px;
    background: #F6F6F6;
}

.swiper-slide:last-child a p {
    position: absolute;
    top: initial;
    bottom: 0;
}

.swiper-slide:last-child .dot {
    position: absolute;
    top: 45%;
    display: inline-block;
    width: 11px;
    height: 11px;
    margin-left: -5px;
    background: #A0A0A0;
}

.swiper-slide:last-child .dot:nth-of-type(1) {
    left: 36%;
}

.swiper-slide:last-child .dot:nth-of-type(3) {
    left: 64%;
}

.swiper-slide:last-child .dot:nth-of-type(2) {
    left: 50%;
}

.container-wrap em {
    position: relative;
    top: -200px;
}

.login {
    cursor: pointer;
}

.the-footer {
    z-index: 4;
    position: fixed;
    bottom: 0;
    width: 100%;
    line-height: 80px;
    text-align: center;
    background: #fff;
}

.the-footer > span:nth-child(1) {
    margin-left: 0;
}

.the-footer > span {
    position: relative;
    font-size: 14px;
    color: #333333;
}

.the-footer span img {
    width: 24px;
    margin-right: 10px;
}

.the-footer span:nth-child(3) img {
    width: 25px;
}

.the-footer span:nth-child(4) img {
    width: 21px;
}

.the-footer span span {
    color: #C39275;
}

.the-footer div {
    display: inline-block;
    width: 120px;
    line-height: 40px;
    margin-left: 145px;
    background-color: #C39275;
    font-size: 16px;
    color: #fff;
}

.the-footer > span:nth-child(4)::after {
    position: static;
}

.the-footer > span::after {
    content: '';
    position: absolute;
    top: 1px;
    width: 1px;
    height: 15px;
    background: #B5B5B5;
}

@media (min-width: 992px) {
    .the-footer div {
        margin-left: 100px;
    }
    .the-footer > span { 
        margin-left: 50px;
    }
    .the-footer > span::after {
        margin-left: 25px;
    }
}

@media (min-width: 1200px) {
    .the-footer div {
        margin-left: 145px;
    }
    .the-footer > span { 
        margin-left: 100px;
    }
    .the-footer > span::after {
        margin-left: 50px;
    }
}
/* student works */
body{padding-bottom:120px;}
.s8-bg{background: url("https://assets-cdn.lanqb.com/topics/ancientStudy/section7-bg.png") no-repeat center top;}
.section8-container{padding-top:100px;}
.section8-container .s8-title{margin-bottom:67px;}
.topics-outcomes .out-works-item{border-color: #50555A;border-bottom: none;}
.topics-outcomes .out-works-des{border-bottom: 2px solid #C39275;}
.topics-outcomes .prof-name{color: #333;background-color: #EEC9AC;}