.banner {
    width: 100%;
    height: 550rem;
}
.swiper-slide {
    width: 100%;
    height: 550rem;
}
.container {
    width: 1200rem;
    margin: 0 auto;
}
.course-classify {
    padding: 10rem 0 165rem;
    background: url(/cache/box/bg/course_classify_background.jpg) no-repeat center bottom,
        url(/cache/box/bg/course_classify_background.jpg) no-repeat center top;
}
.course-classify .title-black {
    margin-bottom: 40rem;
}

.course-classify-right ul {
    width: 1200rem;
    display: flex;
    justify-content: start;
    flex-wrap: wrap;
}
.course-classify-right ul li {
    position: relative;
    width: 290rem;
    height: 300rem;
    margin-right: 13rem;
    margin-bottom: 40rem;
    background-color: #ffffff;
    box-sizing: border-box;
    box-shadow: 0rem 20rem 20rem 0rem rgba(0, 0, 0, 0.3);
    border-radius: 10rem;
    padding: 0 0 12rem 0;
}
.course-classify-right ul li:nth-child(4n) {
    margin-right: 0;
}
.course-classify-right ul li img {
    margin: 10rem auto 0;
    width: 272rem;
    height: 160rem;
    object-fit: cover;
}
.course-classify-right ul li div {
    width: 272rem;
    height: auto;
    padding: 0 0 0 9rem;
}
.course-classify-right ul li:hover {
    box-shadow: 0rem 4rem 10rem 0rem rgba(0, 0, 0, 0.4);
}
.course-classify-right ul li p:first-child {
    margin-top: 19rem;
    font-size: 16rem;
    font-weight: bold;
    height: 28rem;
    line-height: 28rem;
    -webkit-line-clamp: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.course-classify-right ul li p:nth-child(2) {
    line-height: 28rem;
    height: 56rem;
    margin: 10rem 0 0 0;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14rem;
}
@media screen and (max-width: 768px) {

.course-classify .title-black {
    margin-bottom: 40rem;
    padding-top: 23px;
}

.title-black p:first-child {
    letter-spacing: 1rem;
    padding-top: 60rem;
    margin-bottom: 25rem;
    font-size: 23px;
    color: #333333;
    text-align: center;
    font-weight: bolder;
}

.title-black p:nth-child(2) {
    font-size: 8px;
    color: #666666;
    margin-bottom: 20rem;
    text-align: center;
}


.container {
    width: 90%;
    margin: 0 auto;
}

.course-classify-right ul {
    width: 100%;
    display: grid;
    justify-content: start;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    place-items: center;
}
.course-classify-right ul li {
    position: relative;
    background-color: #ffffff;
    box-sizing: border-box;
    box-shadow: 0rem 20rem 20rem 0rem rgba(0, 0, 0, 0.3);
    border-radius: 10rem;
    padding: 0 0 12rem 0;
    width: 100%;
    height: auto;
    margin-right: 0rem;
    margin-bottom: 5px;
}

.course-classify-right ul li img {
    object-fit: cover;
    width: 100%;
    margin-right: 0rem;
    height: auto;
    margin-bottom: 150rem;
}
.course-classify-right ul li div {
    width: 100%;
    height: auto;
    padding: 0 0 0 9rem;
}

.course-classify-right ul li p:first-child {
    -webkit-line-clamp: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 19rem;
    font-weight: bold;
    height: auto;
    line-height: 1.5;
    font-size: 18px;
}

.course-classify-right ul li p:nth-child(2) {
    height: 56rem;
    margin: 10rem 0 0 0;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    font-size: 12px;
}

}