.container {
  width: 100%;
  position: relative;
}

#top {
  width: 100%;
  /* border-bottom: 1px solid #fff; */
}

#top .top-box {
  width: 16.11rem;
  height: 1.52rem;
  margin-left: 2.48rem;
}
#top .top-box {
  width: 16.11rem;
  height: 1.52rem;
  margin-left: 2.48rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}
#top .top-center-box {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

#top .top-menu-box {
  display: flex;
  flex-direction: row;
  align-items: center;
}

#top .logo {
  width: 1.03rem;
  height: 1.08rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

#top .star-logo {
  width: 0.54rem;
  height: 0.51rem;
}

#top .star-title {
  width: 1.04rem;
  height: 0.43rem;
}

#top .top_menu {
  /* width: 7.25rem; */
  height: 1.08rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  /* margin-left: 5.51rem; */
  position: relative;
}

#top .float-box {
  width: 1.70rem;
  height: 1.4rem;
  background-color: #fff;
  position: absolute;
  top: 0.85rem;
  right: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 3px 4px 10px 0px 
		rgba(0, 0, 0, 0.1);
}


#top .float-box a {
  width: 100%;
  text-align: center;
  padding: 0.12rem 0.15rem;
  box-sizing: border-box;
}

#top .float-box a:hover {
  background-color: #808080;
}

#top .top_menu li {
  height: 1.08rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 0 0.21rem;
}

#top .top_menu li:nth-last-child(1) {
  padding: 0 0 0 0.19rem;
  line-height: 1.08rem;
}

#top .top_menu a {
  font-size: 0.28rem;
  color: #45505b;
}

#top .star-more {
  width: 0.28rem;
  cursor: pointer;
}

#top .search-input-box {
  display: flex;
  flex-direction: row;
  align-items: center;
  border-bottom: 1px solid #b1b0b0;
  padding: 0.05rem 0;
  box-sizing: border-box;
  display: none;
}

#top .close-search {
  width: 0.28rem;
  height: 0.28rem;
  background-image: url("../images/jianhao.png");
  background-repeat: no-repeat;
  background-size: 0.28rem 0.28rem;
  margin-left: -0.4rem;
}

#top .search-input-box input {
  width: 4.85rem;
  outline: none;
  background: none;
  border: 0;
  padding: 0 0.4rem 0 0.4rem;
}

#top .search-btn {
  width: 0.28rem;
  height: 0.28rem;
  background-image: url("../images/star_search.png");
  background-repeat: no-repeat;
  background-size: 0.28rem 0.28rem;
}

#top .star-img-box {
  /* width: 1.22rem; */
  height: 1.08rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  margin-left: 1.17rem;
}

#top .star-img-box a {
  width: 0.28rem;
  height: 0.28rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

#top .star-img-box a:nth-of-type(1) {
  margin-right: 0.25rem;
}

#top .star-img-box a:nth-of-type(2) {
  margin-right: 0.15rem;
}

#top .star-img-box img {
  width: 0.28rem;
  height: 0.28rem;
}

#top .more-btn {
  width: 0.6rem;
  height: 0.6rem!important;
  padding: 0!important;
  display: flex!important;
  flex-direction: row!important;
  align-items: center!important;
  justify-content: center!important;
}

#banner {
  width: 100%;
  height: 2.4rem;
  background-image: url("../images/lesson-banner.png");
  background-repeat: no-repeat;
  background-size: 100%;
}

#content .center-box {
  width: 13.81rem;
  margin: 0 auto;
}

#content .header-box {
  width: 100%;
  margin-top: 0.67rem;
  padding-bottom: 0.68rem;
}

#content .head {
  margin: 0.55rem 0;
}

#content .box {
  display: flex;
  margin-top: 0.12rem;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

#content .title {
  font-size: 0.45rem;
  color: #1761a6;
}

#content .intro {
  font-size: 0.21rem;
  color: #808080;
}

#content .detail {
  font-size: 0.21rem;
  color: #425766;
}

.select-box {
  display: flex;
  margin-right: -0.18rem;
}

.select-box a {
  color: #45505b;
  font-size: 0.22rem;
  font-family: '微软雅黑';
  line-height: 0.4rem;
  padding: 0 0.18rem;
}

.select-box .active {
  color: #fff;
  background: #a19153;
}

.header-text-box {
  display: flex;
  flex-direction: row;
  align-content: flex-end;
  justify-content: space-between;
}

.header-text-box p {
  font-family: HYRunYuan-FEW;
  font-size: 0.45rem;
  letter-spacing: 0.01px;
  color: #d79a11;
}

.header-nav-box {
  display: flex;
  flex-direction: row;
}

.header-nav-box li {
  font-family: HYWenHei-EEW;
  font-size: 0.22rem;
  letter-spacing: 0px;
  color: #45505b;
  padding: 0.1rem 0.28rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

.header-nav-box .active {
  color: #fff;
  background-color: #a19153;
}

.lesson-nav-box {
    width: 100%;
    height: 0.69rem;
    background-color: #e8e8e8;
}

.nav-center-box {
    width: 100%;
    height: 0.69rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

.nav-list-box {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

.nav-list-box li {
    height: 0.36rem;
    font-family: '微软雅黑';
	font-size: 0.2rem;
    color: #45505b;
    padding: 0 0.25rem;
    border-right: 2px solid #fff;
}
.nav-list-box a{color: #45505b;}
.nav-list-box li:nth-last-child(1) {
    border-right: none;
}

.nav-list-box .active {
    color: #a19153;
}
.nav-list-box .active a{color: #a19153;}
.lesson-content-box {
    width: 13.81rem;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
    margin-top: 1.15rem;
}

.content-lesson-img-box {
    width: 4.06rem;
	height: 6.09rem;
	box-shadow: 0.10rem 0.12rem 0.30rem 0rem 
        rgba(0, 0, 0, 0.15);
    flex-grow: 0;
    flex-shrink: 0;
}

.content-lesson-img-box  img {
    width: 100%;
    height: 100%;
}

.content-text-box {
    flex-grow: 1;
    margin-left: 0.83rem;
}

#content .content-text-box .title {
    font-family: '微软雅黑';
	font-size: 0.56rem;
	color: #a19153;
}

#content .content-text-box .intro {
    font-family: '微软雅黑';
	font-size: 0.24rem;
	letter-spacing: 0px;
    color: #808080;
    margin-top: 0.24rem;
}

.content-text-box .content {
   font-family: '微软雅黑';
	font-size: 0.24rem;
    color: #808080;
    line-height: 0.48rem;

	width:100%;
}

.content-text-box .first {
    margin-top: 1.64rem;
}

.content-text-box .second {
    margin-top: 0.47rem;
}

.content-text-box .last {
    margin-top: 0.47rem;
}

.last-div {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.40rem;
}

.last-div span {
    font-family: '微软雅黑';
	font-size: 0.24rem;
	color: #45505b;
}

.last-div a {
    width: 2.40rem;
	height: 0.80rem;
	background-color: #a19153;
    border-radius: 0.12rem;
    text-align: center;
    line-height: 0.80rem;
    font-family: '微软雅黑';
	font-size: 0.24rem;
	color: #ffffff;
}

.goods-stu-box {
    width: 100%;
    margin-top: 1.22rem;
}

.top-title-box {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.top-title-box p {
    font-family: '微软雅黑';
	font-size: 0.24rem;
	color: #808080;
}

.top-title-box div {
    flex-grow: 1;
    height: 0.02rem;
    background-color: #ebebeb;
}

.video-box-bottom {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    margin-top: 0.08rem;
}

.video-box-bottom a {
    width: 3.36rem;
    height: 3.36rem;
    display: flex;
    margin-left: 0.12rem;
    margin-top: 0.50rem;
}

.video-box-bottom a:nth-of-type(4n-3) {
    margin-left: 0;
}

.video-box-bottom img {
    width: 100%;
    height: 100%;
}
.content img{ width:100%;}