body {
  background: #f5f5f5 url(../images/minor-live-bg.png);
}
body .main {
  width: 100%;
  position: relative;
  z-index: 1;
}
body .main .middle-content {
  width: var(--container-max-width);
  margin: 24px auto;
}
body .main .middle-content .banner {
  width: 100%;
  height: 480px;
  margin-bottom: 24px;
  overflow: hidden;
}
body .main .middle-content .banner .banner-swiper {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
body .main .middle-content .banner .banner-swiper .swiper-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  transition-property: transform;
  box-sizing: content-box;
}
body .main .middle-content .banner .banner-swiper .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  flex-shrink: 0;
  overflow: hidden;
}
body .main .middle-content .banner .banner-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
body .main .middle-content .banner .banner-swiper .swiper-slide:hover img {
  transform: scale(1.05);
}
body .main .middle-content .banner .banner-swiper .swiper-slide .slide-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 32px;
  background: linear-gradient(360deg, rgba(0, 0, 0, 0.6) -20.83%, rgba(0, 0, 0, 0.352736) 40.4%, rgba(0, 0, 0, 0) 113.54%);
  color: #fff;
}
body .main .middle-content .banner .banner-swiper .swiper-slide .slide-title h3 {
  font-size: 20px;
  font-weight: 400;
  margin: 0 0 8px 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
body .main .middle-content .banner .banner-swiper .swiper-pagination {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  width: auto;
}
body .main .middle-content .banner .banner-swiper .swiper-pagination .swiper-pagination-bullet {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.4);
  margin-right: 6px;
  border-radius: 4px;
  cursor: pointer;
  opacity: 1;
  transition: all 0.3s ease;
}
body .main .middle-content .banner .banner-swiper .swiper-pagination .swiper-pagination-bullet:hover {
  background: rgba(255, 255, 255, 0.8);
}
body .main .middle-content .banner .banner-swiper .swiper-pagination .swiper-pagination-bullet-active {
  width: 30px;
  background: #fff;
}
body .main .middle-content .box-wrap {
  width: 100%;
}
body .main .middle-content .box-wrap .title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 50px;
}
body .main .middle-content .box-wrap .title h1 {
  font-size: 36px;
  font-family: var(--font-family-chinese);
  font-weight: 400;
  color: #8f6a3f;
  letter-spacing: 12px;
}
body .main .middle-content .box-wrap .title .more {
  display: inline-block;
  font-size: 14px;
  color: #8f6a3f;
  cursor: pointer;
}
body .main .middle-content .box-wrap .title .more i {
  margin-left: 8px;
}
body .main .middle-content .box-wrap .content-box {
  width: 100%;
  height: auto !important;
  height: 200px;
  min-height: 200px;
  overflow: hidden;
}
body .main .middle-content .box-wrap .content-box .links-box,
body .main .middle-content .box-wrap .content-box .links-box-2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 30px auto 50px;
}
body .main .middle-content .box-wrap .content-box .links-box .link-item,
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item {
  display: inline-block;
  width: 657px;
  height: 180px;
  padding: 48px 80px;
  box-sizing: border-box;
  margin: 0 20px;
}
body .main .middle-content .box-wrap .content-box .links-box .link-item:first-child,
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item:first-child {
  background: url(../images/minor-curriculum-bg-1.png) no-repeat center center;
  background-size: 100% 100%;
}
body .main .middle-content .box-wrap .content-box .links-box .link-item:last-child,
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item:last-child {
  background: url(../images/minor-curriculum-bg-2.png) no-repeat center center;
  background-size: 100% 100%;
}
body .main .middle-content .box-wrap .content-box .links-box .link-item h3,
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item h3 {
  font-size: 32px;
  font-weight: 400;
  margin-bottom: 24px;
  color: #fff;
}
body .main .middle-content .box-wrap .content-box .links-box .link-item p,
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item p {
  font-size: 14px;
  color: #F4F0EC;
}
body .main .middle-content .box-wrap .content-box .links-box .link-item p i,
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item p i {
  font-size: 14px;
  vertical-align: middle;
  margin-left: 3px;
}
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item:first-child {
  background: url(../images/minor-curriculum-bg-3.png) no-repeat center center;
  background-size: 100% 100%;
}
body .main .middle-content .box-wrap .content-box .links-box-2 .link-item:last-child {
  background: url(../images/minor-curriculum-bg-4.png) no-repeat center center;
  background-size: 100% 100%;
}
body .main .middle-content .box-wrap .content-box .teacher-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 30px auto 50px;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 420px;
  height: 108px;
  margin: 0 15px;
  padding: 24px 16px;
  box-sizing: border-box;
  border: 1px solid #ddd;
  border-radius: 4px;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item:nth-child(n + 4) {
  display: none;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item:hover {
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.16);
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 1px solid #ddd;
  overflow: hidden;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info {
  display: inline-block;
  width: calc(100% - 80px);
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .name h3 {
  display: inline-block;
  font-size: 16px;
  font-weight: 500;
  color: #333;
  margin-right: 12px;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .name span {
  display: inline-block;
  font-size: 14px;
  color: #666;
  margin-right: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100px;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .name .desc-item {
  display: inline-block;
  font-size: 14px;
  color: #666;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .name .desc-item:before {
  content: '';
  margin-right: 12px;
  display: inline-block;
  vertical-align: middle;
  width: 1px;
  height: 12px;
  background: #C7C7C7;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .desc {
  display: block;
  width: 100%;
  font-size: 14px;
  color: #666;
  margin-top: .375rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .desc i {
  font-size: 14px;
  vertical-align: middle;
  margin-right: .40625rem;
}
body .main .middle-content .box-wrap .content-box .sort-box {
  position: relative;
  margin: 30px auto 50px;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-swiper {
  width: 100%;
  overflow: hidden;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-swiper .swiper-wrapper {
  display: flex;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-swiper .swiper-slide {
  width: 224px;
  height: 400px;
  flex-shrink: 0;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item {
  position: relative;
  width: 233.33px;
  height: 400px;
  overflow: hidden;
  cursor: pointer;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform ease-in-out 300ms;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item .bg-cover {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(48, 48, 53, 0.56) 0%, rgba(48, 48, 53, 0.72) 70.83%);
  transition: all ease-in-out 300ms;
  z-index: 1;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item .bg-hover-cover {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(101, 12, 14, 0.85);
  opacity: 0;
  transition: all ease-in-out 300ms;
  z-index: 1;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item .title-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 200px;
  background: url(../images/minor-curriculum-bg-5.png) no-repeat center center;
  background-size: 100% 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item .title-box h3 {
  color: #fff;
  font-size: 28px;
  font-weight: 400;
  writing-mode: tb-rl;
  margin: 0;
  text-align: center;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item:hover img {
  transform: scale(1.1);
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item:hover .bg-cover {
  opacity: 0;
}
body .main .middle-content .box-wrap .content-box .sort-box .sort-item:hover .bg-hover-cover {
  opacity: 1;
}
body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-prev,
body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 34px;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 34px;
  transition: all 0.3s ease;
}
body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-prev.icon-arrow-disabled,
body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-next.icon-arrow-disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-prev {
  left: 20px;
}
body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-next {
  right: 20px;
}
body .main .middle-content .box-wrap .content-box .course-box {
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto 20px;
  overflow: hidden;
}
body .main .middle-content .box-wrap .content-box .course-box .course-item {
  position: relative;
  width: 310px;
  height: 338px;
  margin: 0 20px 20px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: block;
}
body .main .middle-content .box-wrap .content-box .course-box .course-item:nth-child(n + 5) {
  display: none;
}
body .main .middle-content .box-wrap .content-box .course-box .course-item:hover {
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.16);
}
body .main .middle-content .box-wrap .content-box .course-box .course-item:hover .course-item-img img {
  transform: scale(1.1);
}
body .main .middle-content .box-wrap .content-box .course-box .course-item:hover .course-item-info h3 {
  color: var(--text-hover-color);
}
body .main .middle-content .box-wrap .content-box .course-box .course-item .mark {
  position: absolute;
  top: 10px;
  left: 10px;
  background-color: rgba(163, 0, 4, 0.6);
  color: #fff;
  height: 28px;
  line-height: 28px;
  padding: 0 8px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  z-index: 2;
  backdrop-filter: blur(4px);
}
body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}
body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-info {
  padding: 24px;
  height: 138px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-info h3 {
  font-size: 20px;
  font-weight: 500;
  font-family: var(--font-family-base);
  color: #333;
  line-height: 1.4;
  margin: 0 0 12px 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}
body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-info p {
  font-size: 14px;
  color: #666;
  margin: 0;
  font-weight: 400;
}
body .main .middle-content .box-wrap .content-box .coach-box {
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto 20px;
  overflow: hidden;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item {
  position: relative;
  width: 426px;
  height: auto;
  margin: 0 20px 20px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: block;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item:nth-child(n + 4) {
  display: none;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item:hover {
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.16);
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item:hover .coach-item-img img {
  transform: scale(1.1);
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item:hover .coach-item-info h3 {
  color: var(--text-hover-color);
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info {
  padding: 20px 24px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info h3 {
  min-height: 56px;
  font-size: 20px;
  font-weight: 500;
  font-family: var(--font-family-base);
  color: #333;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc {
  display: flex;
  align-items: flex-start;
  margin-top: 10px;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc:last-child {
  margin-bottom: 0;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc img {
  width: 20px;
  height: 20px;
  margin-right: 8px;
  margin-top: 2px;
  flex-shrink: 0;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc span {
  font-size: 14px;
  color: #666;
  font-weight: 500;
  margin-right: 4px;
  flex-shrink: 0;
}
body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc p {
  font-size: 14px;
  color: #999;
  margin: 0;
  line-height: 1.4;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media only screen and (min-width: 1px) and (max-width: 926px) {
  body {
    min-width: auto;
    background: #fff;
  }
  body .main .middle-content {
    width: 100%;
    margin: 0 auto 4rem;
  }
  body .main .middle-content .banner {
    height: 12.5rem;
    padding: 0.9375rem 0.78125rem 0;
    border-radius: 0.3125rem;
    margin-bottom: 0.9375rem;
    overflow: hidden;
    box-sizing: border-box;
  }
  body .main .middle-content .banner .banner-swiper .swiper-slide {
    border-radius: 0.3125rem;
  }
  body .main .middle-content .banner .banner-swiper .swiper-slide img {
    border-radius: 0.3125rem;
  }
  body .main .middle-content .banner .banner-swiper .swiper-slide .slide-title {
    display: none;
  }
  body .main .middle-content .banner .banner-swiper .swiper-pagination {
    bottom: 0.625rem;
  }
  body .main .middle-content .banner .banner-swiper .swiper-pagination .swiper-pagination-bullet {
    width: 0.4375rem;
    height: 0.4375rem;
    border-radius: 0.21875rem;
    margin-right: 0.4375rem;
  }
  body .main .middle-content .banner .banner-swiper .swiper-pagination .swiper-pagination-bullet-active {
    width: 1.125rem;
  }
  body .main .middle-content .box-wrap {
    padding: 0 1rem;
  }
  body .main .middle-content .box-wrap .title {
    margin-bottom: 1.25rem;
  }
  body .main .middle-content .box-wrap .title > img {
    display: none;
  }
  body .main .middle-content .box-wrap .title h1 {
    font-size: 1.25rem;
    font-family: var(--font-family-base);
    font-weight: 600;
    color: #333;
    letter-spacing: 0;
  }
  body .main .middle-content .box-wrap .title h1::before {
    content: '';
    display: inline-block;
    width: .3125rem;
    height: 24px;
    background: var(--text-hover-color);
    vertical-align: middle;
    margin-right: .3125rem;
  }
  body .main .middle-content .box-wrap .content-box {
    min-height: auto;
  }
  body .main .middle-content .box-wrap .content-box .links-box,
  body .main .middle-content .box-wrap .content-box .links-box-2 {
    margin: .9375rem auto 1.25rem;
  }
  body .main .middle-content .box-wrap .content-box .links-box .link-item,
  body .main .middle-content .box-wrap .content-box .links-box-2 .link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    margin: 0;
    width: calc((100% - .9375rem * 1) / 2);
    height: 4.6875rem;
    border-radius: .3125rem;
  }
  body .main .middle-content .box-wrap .content-box .links-box .link-item h3,
  body .main .middle-content .box-wrap .content-box .links-box-2 .link-item h3 {
    font-size: .875rem;
    margin: 0;
  }
  body .main .middle-content .box-wrap .content-box .links-box .link-item p,
  body .main .middle-content .box-wrap .content-box .links-box-2 .link-item p {
    color: transparent;
  }
  body .main .middle-content .box-wrap .content-box .links-box .link-item p i,
  body .main .middle-content .box-wrap .content-box .links-box-2 .link-item p i {
    font-size: .9375rem;
    color: #fff;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box {
    margin: 0.9375rem auto 1.25rem;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box::-webkit-scrollbar {
    display: none;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item {
    width: 15.625rem;
    height: 4.625rem;
    margin: 0 0.75rem 0.75rem 0;
    padding: 0.5rem 0.75rem;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item:nth-child(n + 4) {
    display: flex;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item:last-child {
    margin-right: 0;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-img {
    margin-right: .5rem;
    width: 3.125rem;
    height: 3.125rem;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info {
    width: calc(100% - 4rem);
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .name h3 {
    font-size: 0.875rem;
    margin-right: 0;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .name span {
    font-size: 0.625rem;
    margin-right: 0;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .name .desc-item {
    width: 1px;
  }
  body .main .middle-content .box-wrap .content-box .teacher-box .teacher-item .teacher-item-info .desc p {
    font-size: .6875rem;
  }
  body .main .middle-content .box-wrap .content-box .sort-box {
    margin: 0.9375rem auto 1.25rem;
    padding: 0;
  }
  body .main .middle-content .box-wrap .content-box .sort-box .sort-swiper .swiper-slide {
    width: auto;
    height: 13.125rem;
  }
  body .main .middle-content .box-wrap .content-box .sort-box .sort-item {
    width: 100%;
    height: 13.125rem;
  }
  body .main .middle-content .box-wrap .content-box .sort-box .sort-item .title-box {
    width: 2.25rem;
    height: 6.25rem;
  }
  body .main .middle-content .box-wrap .content-box .sort-box .sort-item .title-box h3 {
    font-size: 0.875rem;
  }
  body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-prev,
  body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-next {
    font-size: 1.0625rem;
  }
  body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-prev {
    left: .375rem;
  }
  body .main .middle-content .box-wrap .content-box .sort-box .icon-arrow-next {
    right: .375rem;
  }
  body .main .middle-content .box-wrap .content-box .course-box {
    display: block;
    margin: 0.9375rem auto 1.25rem;
    max-height: none;
    overflow: visible;
  }
  body .main .middle-content .box-wrap .content-box .course-box .course-item {
    display: inline-block;
    width: calc(50% - 0.375rem);
    height: auto;
    min-height: 12.5rem;
    margin: 0 0 0.75rem;
    border-radius: .5rem;
  }
  body .main .middle-content .box-wrap .content-box .course-box .course-item:nth-child(n + 5) {
    display: inline-block;
  }
  body .main .middle-content .box-wrap .content-box .course-box .course-item .mark {
    top: 0.375rem;
    left: 0.375rem;
    padding: 0.125rem 0.375rem;
    font-size: 0.625rem;
    border-radius: 0.125rem;
  }
  body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-img {
    height: 7.5rem;
  }
  body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-info {
    padding: 0.75rem 0.5rem;
    height: 6rem;
    min-height: 5rem;
  }
  body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-info h3 {
    font-size: 0.875rem;
    line-height: 1.3;
    margin-bottom: 0.5rem;
  }
  body .main .middle-content .box-wrap .content-box .course-box .course-item .course-item-info p {
    font-size: 0.75rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box {
    margin: 0.9375rem auto 1.25rem;
    overflow: visible;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item {
    width: 100%;
    height: auto;
    margin: 0 0 0.75rem;
    min-height: 15.625rem;
    box-shadow: 0px 0.125rem 0.625rem rgba(132, 41, 13, 0.1);
    border-radius: .5rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item:nth-child(n + 4) {
    display: block;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-img {
    height: 9.375rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info {
    padding: 0.75rem 0.5rem;
    height: auto;
    min-height: 6.25rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc {
    margin-bottom: 0.5rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc img {
    width: 0.875rem;
    height: 0.875rem;
    margin-right: 0.375rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc span {
    font-size: 0.75rem;
  }
  body .main .middle-content .box-wrap .content-box .coach-box .coach-item .coach-item-info .det-desc p {
    font-size: 0.75rem;
  }
}