/* 轮播 */
.banner-box {
  width: 100%;
  height: 33vw;
  min-height: 160px;
}

.carousel,
.carousel-inner,
.carousel-item,
.carousel-item img {
  height: 100%;
}

.title {
  font-size: 30px;
  line-height: 60px;
  color: #261c44;
}

.sub-title {
  font-size: 18px;
  line-height: 22px;
  color: #494180;
  letter-spacing: 0.1rem;
}

/* 大赛流程 */
.dasai-liucheng {
  background-color: #f5f8ef;
  color: #333;
}

.dasai-title .fa {
  line-height: 24px;
  font-size: 22px;
  margin-right: 5px;
}

.dasai-title .title-text {
  font-weight: 500;
  font-size: 17px;
}

.dasai-title .title-en {
  font-size: 15px;
  color: #666;
  letter-spacing: 0.08rem;
}

.liucheng-item {
  width: 120px;
}

.liucheng-item-num {
  width: 56px;
  height: 56px;
  line-height: 56px;
  font-size: 20px;
  border-radius: 50%;
  font-weight: 400;
  color: #008718;
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.34);
}

.liucheng-item-title {
  font-weight: 700;
  height: 60px;
}

/* 大赛动态、优秀项目展示 */
.dongtai-item,
.xiangmu-item {
  flex: 0 0 25%;
}

.dongtai-item-content {
  width: 230px;
  border-radius: 8px;
  transition: all 0.5s;
}

.dongtai-item-content:hover {
  box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15) !important;
  transform: scale(1.1);
  font-size: 11px;
}

.dongtai-item-content .image {
  height: 150px;
  border-radius: 8px;
  object-fit: cover;
}

.dongtai-item-text,
.xiangmu-item-text {
  width: 100%;
  height: 56px;
  line-height: 18px;
  font-size: 13px;
  text-align: justify;
  color: #666;
  padding: 0 10px;
  margin: 6px 0;
  letter-spacing: 0.03rem;
}

.xiangmu-item-content .image {
  height: 254px;
  border-radius: 8px;
  object-fit: cover;
}

.xiangmu-item-title {
  font-weight: bolder;
}

.xiangmu-item-content {
  width: 230px;
  height: 380px;
  position: relative;
  border-radius: 8px;
  transition: all 0.5s;
}

.xiangmu {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden; /* 隐藏翻转的背面 */
  transition: transform 0.6s ease-in-out; /* 平滑翻转动画 */
}

.xiangmu-front {
  transform: rotateY(0deg);
  z-index: 2;
}

.xiangmu-back {
  transform: rotateY(180deg); /* 背面旋转180度 */
  z-index: 1;
  height: 100%;
  padding: 10px;
  border-radius: 8px;
}

.xiangmu-item-content:hover .xiangmu-front {
  z-index: 1;
  transform: rotateY(180deg) scale(1.2);
}

.xiangmu-item-content:hover .xiangmu-back {
  z-index: 2;
  transform: rotateY(0deg);
  transition: all 0.5s;
}

.xiangmu-item-date {
  font-size: 13px;
  text-align: justify;
  color: #666;
  margin: 6px 0;
  padding: 0 10px;
}

/* 竞赛列表 */
.jingsai-box {
  width: 100%;
  background-color: #ebeefe;
  padding: 60px 0;
}

.jingsai-list {
  margin-top: 35px;
  padding: 50px;
  border-radius: 30px;
  background-color: #caccf4;
}

.jingsai-item:not(:first-child) {
  margin-top: 35px;
}

.jingsai-item-img {
  flex: 0 0 calc(50% - 15px);
  padding: 8px;
  border-radius: 12px;
}

.jingsai-item-img .img {
  width: 100%;
  max-height: 280px;
  border-radius: 10px;
}

.jingsai-item .title {
  font-size: 22px;
}

.jingsai-item .sub-title {
  font-size: 14px;
}

/* 通知公告 */
.tongzhigonggao {
  width: 100%;
  padding: 60px 0;
}

.tongzhigonggao-swiper {
  width: 100%;
  height: 320px;
  margin-top: 50px;
}

.tongzhigonggao-swiper .swiper {
  width: 100%;
  height: 320px;
  position: relative;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gonggao-item {
  width: 90%;
  height: 260px;
  background-color: #f4f0e8;
  border-radius: 8px;
  padding: 15px 20px;
  text-align: left;
}

.yinhao {
  line-height: 30px;
  font-size: 30px;
  color: #ff7327;
  margin-bottom: 10px;
}

.gonggao-item .content {
  height: 160px;
  line-height: 20px;
  font-size: 15px;
  overflow: scroll;
}

.gonggao-item .date {
  font-size: 12px;
  line-height: 20px;
}

.swiper-btn-box {
  width: 80px;
  height: 16px;
  position: absolute;
  right: 100px;
  bottom: 5px;
}

.swiper-btn-box .swiper-button-next,
.swiper-btn-box .swiper-button-prev {
  color: #333;
}

.swiper-btn-box .swiper-button-prev:after,
.swiper-btn-box .swiper-button-next:after {
  font-size: 16px;
  width: 30px;
  height: 16px;
}

/* 报名入口 */
.baoming-box {
  width: 100%;
  height: 120px;
  position: relative;
}

.baoming-box .baoming-bg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
}

.baoming-list {
  position: relative;
  z-index: 9;
  padding-top: 15px;
}

.baoming-box .baoming-icon {
  width: 100px;
  height: 90px;
}

.baoming-box .sai-name {
  line-height: 35px;
  font-size: 23px;
  font-weight: 600;
  color: #a17e6a;
  letter-spacing: 0.1rem;
}

.baoming-box .rukou-text {
  line-height: 45px;
  font-size: 28px;
  font-weight: bolder;
  color: #8a5f48;
  letter-spacing: 0.1rem;
  margin-top: 5px;
}

.baoming-box .rukou-text .fa-chevron-circle-right {
  margin-left: 15px;
}

/* / 报名入口 */

@media (max-width: 576px) {
  .dasai-title .fa {
    line-height: 22px;
    font-size: 15px;
  }

  .dasai-title .title-text {
    font-weight: 500;
    font-size: 15px;
  }

  .dasai-title .title-en {
    font-size: 12px;
  }

  .more-btn {
    font-size: 13px;
  }

  .title {
    font-size: 23px;
    line-height: 50px;
  }

  .sub-title {
    font-size: 15px;
    line-height: 20px;
  }

  .baoming-box {
    height: 76px;
  }

  .baoming-box .sai-name {
    line-height: 20px;
    font-size: 12px;
  }

  .baoming-box .rukou-text {
    line-height: 24px;
    font-size: 16px;
  }

  .baoming-box .rukou-text .fa-chevron-circle-right {
    margin-left: 5px;
  }

  .baoming-box .baoming-icon {
    width: 50px;
    height: 45px;
  }

  .liucheng-item {
    width: 80px;
  }

  .liucheng-item-num {
    width: 34px;
    height: 34px;
    line-height: 34px;
    font-size: 14px;
    margin-bottom: 10px !important;
  }

  .liucheng-item-title {
    font-size: 12px;
    height: 30px;
  }

  /* 主官网 - 赛事 */
  .jingsai-box {
    padding: 40px 0;
  }

  .jingsai-list {
    margin-top: 25px;
    padding: 40px 35px;
    border-radius: 20px;
  }

  .jingsai-item-img {
    padding: 4px;
    border-radius: 8px;
  }

  .jingsai-item-img .img {
    border-radius: 6px;
  }

  .jingsai-item .title {
    font-size: 15px;
    line-height: 26px;
  }

  .jingsai-item .sub-title {
    font-size: 11px;
  }
}

@media (max-width: 991px) {
  .header-box .navbar #navbarNav {
    position: absolute;
    top: 70px;
    left: 1rem;
    width: calc(100% - 2rem);
  }
}