.public-course .banner{
    height: 300px;
    content: '';
}
.public-course .banner .swiper-slide {
    height: 300px;
    width: 100%;
}
.public-course .banner .swiper-slide:nth-child(1) {
    background-image: url(https://chhcollege-static.oss-cn-shanghai.aliyuncs.com/chh_bc/images/banner/gkkkv.jpg);
    background-position: center;
    background-size: 1920px 300px;
    background-repeat: no-repeat;
}
/* .public-course .banner .swiper-slide:first-child {
    background-image: url("../../images/pc/seven.jpg");
    background-position: center;
    background-size: auto 300px;
    background-repeat: no-repeat;
} */
.public-course .banner .swiper-slide a {
    display: block;
    width: 100%;
    height: 500px;
}
.public-course .banner .wrapper {
    height: 100%;
    padding-right: 100px;
}
.banner .swiper-container-horizontal .swiper-pagination-bullets {
    position: absolute;
    bottom: 19px;
    text-align: center;
    z-index: 2;
}
.banner .swiper-pagination-bullet {
    width: 39px;
    height: 4px;
    background: #979797;
    border-radius: 0;
}
.banner .swiper-pagination-bullet-active {
    background: #fff;
}
.public-course .banner .qrcode {
    width: 170px;
    text-align: center;
}
.public-course .banner .qrcode .qrcode-img {
    width: 170px;
    height: 170px;
    display: block;
    margin-bottom: 16px;
    background-color: #D8D8D8;
}
.public-course .banner .swiper-slide .getRight {
    display: flex;
    align-items: center;
    justify-content: flex-end;

}
    /* tab */
.public-course .nav{
    width: 100%;
    height: 60px;
    line-height: 60px;
    background-color: #fff;
    border-top: 1px solid #E7E7E7;
    border-bottom: 1px solid #E7E7E7;
    z-index: 2;
    top: 60px;
    box-shadow: 0 2px 6px 2px rgba(100, 100, 100, 0.1);
}
.public-course .nav .wrapper {
    height: 100%;
    padding: 0 40px;
}
.public-course .nav .tab-nav-item {
    color: #898989;
    height: 100%;
    cursor: pointer;
    position: relative;
}
.public-course .nav .tab-nav-item:hover {
    color: #2D2D2D;
    position: relative;
}
.public-course .nav .tab-nav-item.active {
    color: #2D2D2D;
    cursor: default;
    position: relative;
}
.public-course .nav .tab-nav-item::before,
.public-course .nav .tab-nav-item.active::before {
    position: absolute;
    content: '';
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    border-bottom: 4px solid #AD7C58;
    border-radius: 8px;
}
.public-course .nav .tab-nav-item::before {
    width: 0;
    transition: width 0.1s linear;
}
.public-course .nav .tab-nav-item:hover::before,
.public-course .nav .tab-nav-item.active::before {
    width: 50%;
}
.list-container {
    margin-top: 35px;
}
.list-container .wrapper {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.list-container .listItem {
    width: 280px;
    /* width: 24%; */
    margin: 0 6px 56px;
    border-radius: 8px;
    background-color: #fff;
    cursor: pointer;
}
.list-container .listItem:hover {
    -webkit-box-shadow: 0 10px 15px 0 rgba(0,0,0,.05), 0 15px 40px 0 rgba(0,0,0,.08);
    box-shadow: 0 10px 15px 0 rgba(0,0,0,.05), 0 15px 40px 0 rgba(0,0,0,.08);
}
.list-container .listItem .listItem-head img {
    border-top-right-radius: 8px;
    border-top-left-radius: 8px;
    vertical-align: bottom;
}
.list-container .listItem .listItem-head .newest {
    position: absolute;
    top: 17px;
    left: 0;
    color: #fff;
    padding: 1px 20px 1px 10px;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
    background: linear-gradient(to left, #EDC2AF, #AA7550);
}
.list-container .listItem .listItem-head .newposter {
    position: absolute;
    top: 17px;
    left: 0;
    color: #fff;
    padding: 1px 20px 1px 10px;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
    background: linear-gradient(to left, #FF8650, #D44336);
}
.list-container .listItem .listItem-body {
    padding: 8px 18px 12px;
    color: #7A848F;
    border: 1px solid #CCCCCC;
    border-top: none;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}
.list-container .listItem .listItem-body .title {
    color: #272727;
    line-height: 25px;
    height: 54px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #E9E9E9;
    margin-bottom: 8px;
}
.list-container .listItem .listItem-body .teacher {
    margin-bottom: 8px;
}
.list-container .listItem .listItem-body .teacher .name {
    margin-right: 10px;
    max-width: 50px;
}
.list-container .listItem .listItem-body .teacher .job {
    margin-right: 10px;
    max-width: 200px;
}
.list-container .listItem .listItem-body .info .lesson-num {
    margin-right: 10px;
    position: relative;
}
.list-container .listItem .listItem-body .info .lesson-num::after {
    position: absolute;
    content: '';
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 1px solid #7A848F;
    height: 75%;
}
.list-container .listItem .listItem-course-desc {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    padding: 27px 15px 18px;
    background-color: #fff;
    overflow: hidden;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;

    display: block;
    opacity: 0;
    transform: translate3d(0,50%,0);
    transition: all 0.2s;
}
.list-container .listItem:hover .listItem-course-desc {
    height: 140px;
    opacity: 1;
    transform: translate3d(0,0,0);
}
.list-container .listItem .listItem-course-desc .text {
    overflow: hidden;
    height: 100%;
    text-overflow: ellipsis;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    color: #7A848F;
    line-height: 24px;
}

.list-container .show-more span {
    width: 133px;
    height: 33px;
    line-height: 33px;
    text-align: center;
    color: #B48A61;
    border: 1px solid #B48A61;
    cursor: pointer;
    margin-bottom: 108px;
}
.list-container .show-more span.no-border {
    border: none;
}

.list-container .no-more span {
    margin-bottom: 108px;
    color: #aeaeae;
    position: relative;
}
.list-container .no-more span::before,
.list-container .no-more span::after {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    content: '';
    width: 100px;
    border-top: 1px solid #aeaeae;
}
.list-container .no-more span::before {
    left: 85px;
}
.list-container .no-more span::after {
    right: 85px;
}
.list-container .no-data img {
    width: 508px;
    margin: 100px auto 242px;
}