i {
    font-style: normal;
}

/*-------------------------------------------------------- 首页的课程详情样式-------------------------------------------- */
.select_title {
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #05102D;
    cursor: pointer;
    position: relative;
    display: inline-block;
}
.select_title>.category_name{
    padding-top: 30px;
    padding-bottom: 25px;
}
.select_title>.select {
    width: 150px;
    height: 240px;
    background: #FFFFFF;
    box-shadow: 0px 3px 10px rgba(193, 193, 193, 0.16);
    opacity: 1;
    border-radius: 10px;
    position: absolute;
    top: 87px;
    display: none;
    z-index: 1;
}
.select_title>.select>.top {
    width: 0;
    height: 0;
    border-width: 0 25px 25px;
    border-style: solid;
    border-color: transparent transparent #ffffff;
    /*透明 透明  灰*/
    margin: auto;
    position: absolute;
    top: -25px;
    transform: translate(100%, 0%);
}

.select .anv {
    height: 60px;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #05102D;
    text-align: center;
    line-height: 60px;
    border-bottom: 1px solid #F9F9F9;
}
.select_title>.active {
    display: block !important;
}
.course-big {
    width: 1920px;
    background-color: #FAFAFA;
    margin: auto;
    width: 1200px;
}

.course-middle {
    padding-top: 26px;
    background-color: #FAFAFA;

}

.co-middle-one {
    display: flex;
    background: #FFFFFF;
    box-shadow: 0px 3px 10px rgba(193, 193, 193, 0.16);
    border-radius: 10px;
}

.co-middle-one-left {
    width: 502px;
    height: 298px;
    border-radius: 10px;
}

.co-middle-one-left img {
    width: 502px;
    height: 298px;
}

.co-middle-one-leftx {
    margin-top: 16px;
    width: 465px;
    height: 50px;
}

.co-middle-lister {
    display: inline-block;
}

.co-middle-lister:last-child {
    margin-top: 14px;
}

.co-middle-lister:nth-child(2) {
    margin-left: 40px;
}

.co-middle-lister span {
    display: inline-block;
    width: 56px;
    height: 20px;
    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #05102D;
}

.co-middle-lister i {
    display: inline-block;
    margin-left: 11px;
    height: 20px;
    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #626878;
}

.co-middle-one-right {
    width: 610px;
    height: 354px;
    margin: 47px 32px 47px 0px;

}

.co-middle-one-right .title_money {
    display: flex;
    justify-content: space-between;
}

.title_money .title {
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #05102D;
}

.title_money .money {
    padding-right: 32px;
    color: #F3254B;
}

.title_money .money>span {
    font-size: 20px;
}

.title_money .money>i {
    font-size: 12px;
}

.co-middle-one-right p span {
    margin-left: 148px;
    display: inline-block;
    height: 33px;
    font-size: 20px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #F3254B;
}

.co-middle-one-right p span i {
    font-size: 14px;
}

.co-middle-one-right h4 {
    margin-top: 12px;
    width: 346px;
    height: 20px;
    opacity: 1;
    border-radius: 3px;

}

.co-middle-one-right h4 span {
    text-align: center;
    line-height: 14px;
    display: inline-block;
    border: 1px solid #FB9E3D;
    width: 72px;
    height: 18px;
    font-size: 12px;
    font-family: Source Han Sans CN;
    color: #FB9E3D;
    border-radius: 3px;
}

.co-middle-one-right-nr {
    margin-top: 22px;
    width: 400px;
    margin-bottom: 20px;
}

.co-middle-one-right-nr ul {
    padding-left: 0;
}

.co-middle-one-right-nr .qktc-tou {
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #05102D;
    margin-top: 19px;
}

.co-middle-one-right-nr .qktc_list div,.co-middle-one-right-nr .dktc_list div{
    display: inline-block;
    text-align: center;
    line-height: 24px;
    background: #F4F6FA;
    border-radius: 3px;
    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #626878;
    margin: 8px 6px 0px 0px;
    cursor: pointer;
    border: 1px solid transparent;
    padding: 0 5px 0 5px;
}

/* .co-middle-one-right-nr ul li:nth-child(1) span:active{
    background: #E7F1FD;
border: 1px solid #3673FE;
color: #3673FE;
} */
.qktc_list>.active,
.dktc_list>.active {
    background: #E7F1FD !important;
    border: 1px solid #3673FE !important;
    color: #3673FE !important;
}

.co-middle-one-right h2 {
    margin-top: 8px;
    width: 100%;
    height: 42px;
}

.co-middle-one-right h2 button {
    width: 184px;
    background: #3673FE;
    font-size: 14px;
}

.co-middle-one-right h2 i {
    margin-left: 198px;
    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #9EA1B2;

}

.co-middle-two {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.co-middle-two-left {
    margin-top: 26px;
    background: #FFFFFF;
    box-shadow: 0px 3px 10px rgba(193, 193, 193, 0.16);
    border-radius: 10px;
    width: 842px;

}

/*---------------------- 课程详情页中间的第二个框左边tab标签卡的全部样式--------------------*/
.display-none {
    display: none;
}

.tab ul {
    display: flex;
    justify-content: space-around;
    height: 66px;
    overflow: hidden;
    line-height: 66px;
    border-bottom: 1px solid #F1F3F8;
}

.tab ul li {
    border-radius: 0;
    margin-right: 5px;
    width: 150px;
    height: 60px;
    text-align: center;
}

.tab ul li a {
    display: inline-block;
    height: 65px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    color: #05102D;
    cursor: pointer;
}

.tab ul li.active a {
    font-size: 16px;
    font-weight: 600;
    color: #3673FE;
    border-bottom: 3px solid #3673FE;
}


/* 课程服务-------------------------------------- */
.kcfw-div {
    margin: auto;
    /* height: 1056px; */
    padding: 6px 2px 20px 2px;
    width: 800px;
    text-align: center;
}

.kcfw-div p img {
    width: 100% !important;
}

/* 课程大纲----------------------------- */
.ktdg-div {
    margin: auto;
    width: 800px;
    padding: 6px 2px 20px 2px;
    /* height: 625px; */
}

/* 打开和关闭手风琴面板的样式 */
.accordion {
    font-size: 18px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    line-height: 25px;
    color: #05102D;
    background-color: #FFFFFF;
    cursor: pointer;
    padding: 18px;
    width: 800px;
    text-align: left;
    border: none;
    outline: none;
    transition: 0.4s;
}



/* 为手风琴面板设计样式。 默认隐藏 */
.panel {
    background-color: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    
}
.panel .item_list{
    height: 56px;
    line-height: 56px;
    display: flex;
    align-items: center;
    position: relative;
}
.panel .item_list .fa_ico{
    padding-left: 26px;
    padding-right: 12px;
}
.panel .item_list .title{
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    opacity: 1;
}
.panel .item_list .st{
    position: absolute;
    right: 26px;
    width: 76px;
    height: 24px;
    background: #3673FE;
    opacity: 1;
    border-radius: 3px;
    font-size: 12px;
    line-height: 25px;
    text-align: center;
}
.panel .item_list .st a{
    color: #FFFFFF;
}
.panel .item_list:hover{
    background: #E7F1FD;
    border-radius: 5px;
    color: #3673FE !important;
    cursor:pointer;
}

/* 设置 ^上下箭头 标志 */
.accordion:after {
    content: '\2304';
    /* Unicode 字符 下箭头 号 */
    color: #777;
    font-weight: bold;
    float: right;
    margin-left: 5px;
}

.accordion.active:after {
    content: '\2303';
    /* Unicode 字符 上箭头号 */
    color: #3673FE;
}

.dxb:after {
    content: '\25B6';
    /* Unicode 字符 下箭头 号 */
    color: #777;
}

.dxb.active:after {
    content: '\25B6';
    color: #3673FE;
}

/* ----------------教师介绍---------------------------------------- */

.jsjs-div {
    margin: auto;
    width: 800px;
    padding: 6px 2px 20px 2px;
}

.jijs-item {
    padding-top: 24px;
    width: 800px;
}

.jijs-item .jsjs-tp {
    height: 42px;
}

.jijs-item .jsjs-tp span {
    margin-left: 10px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 600;
    color: #05102D;
}

.jijs-item .jsjs-tp img {
    vertical-align: middle;
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 1px solid #9EA1B2;
    border-radius: 50%;
}

.jijs-item .jsjs-js {
    margin-left: 56px;
    width: 740px;
    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 25px;
    color: #9EA1B2;
}

/* --------------课程计划------------- */
.kcjh-div {
    margin: auto;
    width: 800px;
    padding: 6px 2px 20px 2px;
    height: 625px;
    text-align: center;
    line-height: 825px;
}

/* 第二个框的右边------------------------------------- */
.co-middle-two-right {
    margin-top: 26px;
    width: 332px;
}

.co-middle-two-right h2 {
    height: 36px;
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: 600;
    color: #05102D;
}

.rmke-item {
    margin-top: 20px;
    width: 330px;
    height: 638px;
    background: #FFFFFF;
    box-shadow: 0px 3px 10px rgba(193, 193, 193, 0.16);
    border-radius: 10px;
}



.jpbj-left-list {
    display: inline-block;
    width: 280px;
    height: 280px;
    margin: 26px 26px 0px 26px;
    background: #FAFAFA;
    box-shadow: 0px 3px 10px rgba(193, 193, 193, 0.16);
    border-radius: 10px;
}

.jpbj-left-list p {
    margin: 26px 24px 9px 24px;
    font-size: 16px;
    font-weight: bold;
    line-height: 20px;
    color: #313337;
    white-space: initial;
}

.jpbj-left-list h6 {
    margin: 16px 20px;
}

.jpbj-left-list h6 span {
    height: 20px;
    background: #F4F6FA;
    border-radius: 3px;
    color: #B7BBCF;
    font-size: 12px;
    padding: 0 6px;
    min-width: 0;
    margin: 0;
}

.jpbj-left-list-img {
    width: 40px;
    height: 62px;
    display: flex;
    flex-direction: column;
    margin-right: 16px;

}

.jpbj-left-list-bgimg .jpbj-left-list-img img {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 1px solid #E1E1E1;
    border-radius: 50%;
}

.jpbj-left-list-img strong {
    font-size: 12px;
    color: #9EA1B2;
    text-align: center;
    padding-top: 5px;
}

.jpbj-left-list h3 {
    height: 30px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    margin: 0px 0px 20px 24px;

}

.jpbj-left-list h3 span {
    margin: 0;
    color: #F3254B;
    font-size: 18px;
}

.jpbj-left-list h3 strong {
    color: #B7BBCF;
    font-size: 12px;
    margin-left: 88px;
}

/* ---------------------------首页的公开课----------------------------- */
.big-opencourse {
    background: #FAFAFA;
}

.opencourse {
    width: 1200px;
    margin: auto;
    background-color: #FAFAFA;
}

.opencourse select {
    background-color: #FAFAFA;
    font-weight: 600;
    padding-top: 5px;
    margin: 25px 0;
    font-size: 24px;
    display: inline-block;
    min-width: 150px;
    outline: none;
    border: none;

}

/* .opencourse span img{
    margin-left: 16px;
} */
.opencourse .opencourse-tou {
    min-width: 200px;
    width: 100%;
    height: 70px;
    background: #FFFFFF;
    border-radius: 10px;

}

.opencourse-tou i {
    margin-left: 24px;
    font-size: 14px;
    color: #626878;
    line-height: 70px;
}

.opencourse-tou ul {
    display: inline-block;
    padding-left: 0;
}

.opencourse-tou-le>ul>.active {
    background: #E7F1FD;
}

.opencourse-tou-le>ul>.active>a {
    color: #3673FE;
}

.opencourse-tou ul li {
    display: inline-block;
    margin-right: 16px;

}

.opencourse-tou ul li a {
    color: #05102D;
    font-size: 14px;
    line-height: 30px;
    padding: 5px 14px;
}

.opencourse-tou ul li:hover {
    height: 30px;
    background: #E7F1FD;
    border-radius: 5px;
}

.opencourse-tou ul li a:hover {
    color: #3673FE;
}

.bkth-centerer {
    width: 100%;
    /* white-space: nowrap; */
    /* margin-top: 26px; */
}

.bkth-centerlist {
    margin: 0 9px;
    width: 280px;
    height: 386px;
    background: #FFFFFF;
    display: inline-block;
    box-shadow: 0px 3px 10px rgba(193, 193, 193, 0.16);
    opacity: 1;
    border-radius: 10px;
    margin-top: 26px;
}

.bkth-centerimage {
    width: 280px;
    height: 190px;
    background: #1A1D30;
    opacity: 1;
    border-radius: 10px 10px 0px 0px;
}

.bkth-centerimage>img {
    width: 100%;
    height: 100%;
    border-radius: 10px 10px 0px 0px;
}

.bkth-centerlist p {
    margin: 20px;
    font-size: 16px;
    font-weight: bold;
    line-height: 20px;
    color: #313337;
    white-space: initial;
    height: 40px;
}

.bkth-centerlist h6 {
    margin: 16px 20px;
}

.bkth-centerlist h6 span {
    line-height: 20px;
    height: 20px;
    opacity: 1;
    background: #F4F6FA;
    border-radius: 3px;
    color: #B7BBCF;
    font-size: 12px;
    padding: 0 6px;
}

.bkth-centerlist h6 strong {
    color: #B7BBCF;
    margin-left: 23px;

}

.bkth-centerlist h3 {
    height: 30px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    margin: 16px 20px;
    line-height: 30px;
}

.bkth-centerlist h3 span {
    color: #F3254B;
    font-size: 18px;
}

.bkth-centerlist h3 strong {
    color: #B7BBCF;
    font-size: 12px;
    /*margin-left: 90px;*/
    float: right;
}

.opencourse-weibu {
    text-align: center;
}
/* 视频播放 */
 .accordion  .accordion-navigation .active .accordion-tittle {
   background-color: white;
   font-size: 14px;
   color: #05102D;
  
  }