/* 首页样式 */

/* 轮播Banner */
.banner {
  position: relative;
  width: 100%;
  height: 560px;
  overflow: hidden;
}

.banner-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.banner-slide.active {
  opacity: 1;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.banner-label {
  display: inline-block;
  padding: 6px 20px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.banner-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.banner-desc {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 32px;
  opacity: 0.9;
}

.banner-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.banner-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.banner-btn-primary {
  background: var(--primary);
  color: #fff;
}

.banner-btn-primary:hover {
  background: var(--primary-dark);
}

.banner-btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
}

.banner-btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

/* 轮播控制 */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.2);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 3;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-arrow:hover {
  background: rgba(255,255,255,0.4);
}

.banner-arrow.prev { left: 30px; }
.banner-arrow.next { right: 30px; }

.banner-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.banner-dot.active {
  background: #fff;
  width: 30px;
  border-radius: 5px;
}

/* 快速入口 */
.quick-links {
  background: var(--bg);
  padding: 40px 0;
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

.quick-links .container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.quick-card {
  background: var(--bg);
  border-radius: 12px;
  padding: 28px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.quick-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.quick-icon {
  width: 56px;
  height: 56px;
  background: rgba(196, 30, 36, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: var(--primary);
}

.quick-card:hover .quick-icon {
  background: var(--primary);
  color: #fff;
}

.quick-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.quick-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 新闻动态 */
.news-section {
  padding: 80px 0;
  background: var(--bg-gray);
}

.news-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.news-featured {
  background: var(--bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.news-featured-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.news-featured-body {
  padding: 24px;
}

.news-featured-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(196, 30, 36, 0.08);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

.news-featured-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
}

.news-featured-title:hover {
  color: var(--primary);
}

.news-featured-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.news-featured-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-light);
}

.news-list-area {
  background: var(--bg);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.news-list-area .tab-nav {
  margin-bottom: 16px;
}

.news-list-area .news-item {
  padding: 14px 0;
}

.news-list-area .news-item:hover {
  padding-left: 4px;
}

.news-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 16px;
  padding: 10px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  border-top: 1px solid var(--border);
}

.news-more:hover {
  gap: 8px;
}

/* 特色重财 */
.features-section {
  padding: 80px 0;
  background: var(--bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--bg);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(196, 30, 36, 0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
}

.feature-link:hover {
  gap: 8px;
}

/* 媒体聚焦 */
.media-section {
  padding: 80px 0;
  background: var(--bg-gray);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.media-card {
  background: var(--bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.media-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.media-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.media-body {
  padding: 16px;
}

.media-source {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg-gray);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 8px;
}

.media-title {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 8px;
}

.media-title:hover {
  color: var(--primary);
}

.media-date {
  font-size: 12px;
  color: var(--text-light);
}

/* 数据统计 */
.stats-section {
  padding: 60px 0;
  background: var(--primary);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item {
  padding: 20px;
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  opacity: 0.9;
}

/* 校友风采 */
alumni-section {
  padding: 80px 0;
  background: var(--bg);
}

.alumni-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.alumni-card {
  background: var(--bg);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

.alumni-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.alumni-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--primary);
}

.alumni-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.alumni-job {
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 12px;
}

.alumni-quote {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-style: italic;
}

/* 响应式 */
@media (max-width: 1199px) {
  .banner {
    height: 480px;
  }

  .banner-title {
    font-size: 36px;
  }

  .banner-desc {
    font-size: 16px;
  }

  .quick-links .container {
    grid-template-columns: repeat(3, 1fr);
  }

  .news-layout {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .alumni-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .banner {
    height: 400px;
  }

  .banner-title {
    font-size: 28px;
  }

  .banner-desc {
    font-size: 14px;
    margin-bottom: 20px;
  }

  .banner-btns {
    flex-direction: column;
    gap: 10px;
  }

  .banner-btn {
    padding: 10px 24px;
    font-size: 14px;
  }

  .banner-arrow {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .banner-arrow.prev { left: 10px; }
  .banner-arrow.next { right: 10px; }

  .quick-links {
    padding: 24px 0;
    margin-top: 0;
  }

  .quick-links .container {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .quick-card {
    padding: 20px 12px;
  }

  .quick-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }

  .quick-title {
    font-size: 14px;
  }

  .quick-desc {
    font-size: 12px;
  }

  .news-section,
  .features-section,
  .media-section,
  alumni-section {
    padding: 40px 0;
  }

  .news-featured-img {
    height: 200px;
  }

  .news-featured-body {
    padding: 16px;
  }

  .news-featured-title {
    font-size: 16px;
  }

  .features-grid,
  .media-grid,
  .alumni-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card,
  .alumni-card {
    padding: 24px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-number {
    font-size: 32px;
  }

  .stat-label {
    font-size: 13px;
  }
}

@media (max-width: 479px) {
  .quick-links .container {
    grid-template-columns: 1fr;
  }

  .banner-title {
    font-size: 22px;
  }
}