/* 关于 i2 页面样式 */
*{
  box-sizing: border-box;
}
.about-page {
  width: 100%;
  margin: 0 auto;
  background: #fff;
  text-align: center;
  padding: 100px 0;
}

.about-tab-content {
  width: 100%;
}

.about-tabs {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
  margin-top: 40px;
}

.about-tabs__item {
  padding: 0 30px;
  cursor: pointer;
}

.about-tabs__item.active .cn,
.about-tabs__item:hover .cn {
  color: #999;
}

.about-tabs__item.active .en,
.about-tabs__item:hover .en {
  color: #999;
  font-weight: bold;
}

.about-tabs__item .cn {
  display: block;
  font-size: 32px;
  color: #888;
  margin-bottom: 5px;
  font-weight: bold;
}

.about-tabs__item .en {
  display: block;
  font-size: 28px;
  color: #888;
  font-weight: bold;
  letter-spacing: 1px;
}
.about-tabs__item.active .cn,.about-tabs__item.active .en{
  color: #a52a2a;
}
.about-tabs__divider {
  width: 1px;
  height: 68px;
  background: #666;
}

.about-subtabs {
  width: 78%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;

}

.about-subtabs__item {
  /* 统一样式见 newi2style.css .tab_item */
}

.about-hero {
  width: 78%;
  margin: 0 auto 50px;
  border-radius: 20px;
  overflow: hidden;
}

.about-hero img {
  width: 100%;
  display: block;
}

.about-intro {
  width: 78%;
  margin: 100px auto 50px;
}

.about-intro p {
  font-size: 16px;
  color: #666;
  line-height: 2;
  text-align: center;
}

.news-swiper-container {
  width: 100%;
  margin: 0 auto 80px;
  padding: 0 60px;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.news-swiper-inner {
  width: 100%;
  position: relative;
  overflow: hidden;
}
.news-swiper-container .swiper-slide {
  box-sizing: border-box;
  min-height: auto;
  height: 360px;
  overflow: hidden;
}

.news-swiper-container .swiper-slide img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 16px;
  object-fit: cover;
}

.news-swiper-container .teacher-prev,
.news-swiper-container .teacher-next {
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-swiper-container .teacher-prev:hover,
.news-swiper-container .teacher-next:hover {
  background: #fff;
}

.news-swiper-container .teacher-prev {
  left: 4px;
}

.news-swiper-container .teacher-next {
  right: 4px;
}

.news-swiper-container .teacher-prev img,
.news-swiper-container .teacher-next img {
  display: none;
}

.news-swiper-container .teacher-prev::after,
.news-swiper-container .teacher-next::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-style: solid;
}

.news-swiper-container .teacher-prev::after {
  border-width: 9px 12px 9px 0;
  border-color: transparent #999 transparent transparent;
}

.news-swiper-container .teacher-next::after {
  border-width: 9px 0 9px 12px;
  border-color: transparent transparent transparent #999;
}

.about-divider {
  width: 78%;
  display: flex;
  margin: auto;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 80px;
}

.about-divider span {
  width: 47.5%;
  height: 1px;
  border-top: 1px dashed #999;
}

.about-divider img {
  width: 5%;
  max-width: 60px;
  display: block;
}

.about-culture {
  padding: 0 20px;
}

.about-culture h3 {
  font-size: 24px;
  color: #666;
  margin: 0 0 8px;
  letter-spacing: 2px;
  font-weight: 600;
}

.about-culture__en {
  font-size: 22px;
  color: #666;
  margin: 0 0 40px;
  font-weight: 600;
}

.about-culture__list {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
}

.about-culture__item {
  margin-top: 30px;
  width: 32%;
  padding: 0 20px;
}

.about-culture__item h4 {
  font-size: 20px;
  color: #a52a2a;
  margin: 0 0 15px;
  font-weight: bold;
  letter-spacing: 1px;
}

.about-culture__item p {
  font-size: 18px;
  color: #555;
  margin: 0 0 15px;
  line-height: 1.6;
  font-weight: bold;
}

.about-culture__item span {
  font-size: 16px;
  color: #555;
  line-height: 1.6;
  display: block;
}

.about-culture__line {
  width: 1px;
  border-left: 1px dashed #ccc;
  margin: 0 15px;
  min-height: 80px;
}

.about-coming {
  padding: 100px 20px;
  text-align: center;
  color: #999;
  min-height: 300px;
}

.about-coming h3 {
  font-size: 24px;
  color: #333;
  margin: 0 0 8px;
  font-weight: normal;
}

.about-coming p {
  font-size: 14px;
  color: #999;
  margin: 0 0 10px;
  letter-spacing: 1px;
}

@media (max-width: 1200px) {
  .about-tabs__item .cn { font-size: 20px; }
  .about-tabs__item .en { font-size: 18px; }
  .about-intro p { font-size: 15px; }
  .about-culture h3 { font-size: 18px; }
  .about-culture__en { font-size: 20px; }
  .about-culture__item h4 { font-size: 18px; }
  .about-culture__item p { font-size: 16px; }
  .about-culture__item span { font-size: 13px; }
}

@media (max-width: 992px) {
  .about-tabs__item .cn { font-size: 18px; }
  .about-tabs__item .en { font-size: 16px; }
  .about-tabs__divider { height: 44px; }
  .about-intro p { font-size: 14px; }
  .about-culture h3 { font-size: 17px; }
  .about-culture__en { font-size: 18px; }
  .about-culture__item h4 { font-size: 17px; }
  .about-culture__item p { font-size: 15px; }
  .about-culture__item span { font-size: 13px; }
}

@media (max-width: 768px) {
  .about-page {
    width: 100%;
    padding: 40px 20px;
  }

  .about-tabs__item {
    padding: 0 12px;
  }

  .about-tabs__item .cn {
    font-size: 16px;
  }

  .about-tabs__item .en {
    font-size: 14px;
  }

  .about-tabs__divider {
    height: 36px;
  }

  .about-subtabs .tab_item {
    width: 160px;
  }

  .about-intro p {
    font-size: 13px;
  }

  .about-culture h3 {
    font-size: 16px;
  }

  .about-culture__en {
    font-size: 16px;
  }

  .about-culture__item h4 {
    font-size: 16px;
  }

  .about-culture__item p {
    font-size: 14px;
  }

  .about-culture__item span {
    font-size: 12px;
  }

  .about-hero {
    width: 95%;
  }

  .about-intro {
    width: 90%;
  }

  .about-culture__item {
    width: 100%;
    margin-bottom: 30px;
  }

  .about-culture__line {
    display: none;
  }
}

.news-section {
  width: 78%;
  margin: 0 auto 50px;
  padding: 0 5%;
}

.news-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.news-card {
  width: calc(50% - 10px);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.news-card:hover {
  transform: translateY(-4px);
}

.news-card__img {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 12px;
}

.news-card__img img {
  width: 100%;
  display: block;
}

.news-card__meta {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  background: #f5f5f5;
  border-radius: 12px;
}

.news-card__date {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-right: 10px;
  flex-shrink: 0;
}

.news-card__date img {
  width: 100%;
  height: 100%;
  display: block;
}

.news-card__title {
  font-size: 14px;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-section__dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 50px;
}

.news-section__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  cursor: pointer;
  transition: all 0.3s ease;
}

.news-section__dots span:hover {
  background: #bbb;
}

.news-section__dots span.active {
  background: #a52a2a;
  width: 24px;
  border-radius: 5px;
}

@media (max-width: 480px) {
  .about-tabs__item .cn { font-size: 14px; }
  .about-tabs__item .en { font-size: 12px; }
  .about-intro p { font-size: 12px; }
  .about-culture h3 { font-size: 15px; }
  .about-culture__en { font-size: 15px; }
  .about-culture__item h4 { font-size: 15px; }
  .about-culture__item p { font-size: 13px; }
  .about-culture__item span { font-size: 12px; }

  .news-section {
    width: 95%;
  }

  .news-card {
    width: 100%;
  }
}