/* 主要内容区域 */
.content {
  padding: 40px 5%;
  width: 100%;
  background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 0;
  min-height: 60vh;
}

/* 横幅区域美化 */
.banner-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.banner-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  letter-spacing: 2px;
}

.banner-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.9);
  font-weight: 300;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* 分类导航美化 */
.content .content-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-bottom: 30px;
  gap: 20px;
  background: #fff;
  padding: 10px;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,166,232,0.1);
}

.content .content-item button {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 15px 30px;
  border: none;
  border-radius: 40px;
  background: transparent;
  color: #666;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.content .content-item button:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.content .content-item button:hover:before {
  left: 100%;
}

.content .content-item button i {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.content .content-item button:hover i {
  transform: scale(1.1);
}

.content .content-item button.active {
  background: linear-gradient(135deg, #00a2e8 0%, #007ab3 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(0,162,232,0.3);
  transform: translateY(-2px);
}

.content .content-item button:hover:not(.active) {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: #00a2e8;
  transform: translateY(-2px);
}

/* 统计信息区域 */
.stats-container {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 15px;
  background: #fff;
  padding: 20px 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,166,232,0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #00a2e8, #007ab3);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.stat-item:hover:before {
  transform: scaleX(1);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.stat-item i {
  font-size: 2rem;
  color: #00a2e8;
  min-width: 40px;
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 2px;
}

.stat-label {
  font-size: 0.9rem;
  color: #666;
  font-weight: 500;
}

/* 新闻列表 */
.content ul {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.content ul li {
  width: 100%;
  margin: 0;
}

/* 新闻卡片样式 */
.news-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
  transition: all 0.4s ease;
  cursor: pointer;
  position: relative;
  border: 1px solid rgba(0,0,0,0.05);
  opacity: 0;
  transform: translateY(30px);
}

.news-card.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.news-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card-image:hover img {
  transform: scale(1.1);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(0,162,232,0.8), rgba(0,122,179,0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-overlay i {
  font-size: 2rem;
  color: #fff;
}

.news-card:hover .card-overlay {
  opacity: 1;
}

.date-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: linear-gradient(135deg, #00a2e8 0%, #007ab3 100%);
  color: white;
  padding: 8px 12px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,162,232,0.3);
  z-index: 2;
}

.day {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
}

.month {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.9;
}

.card-content {
  padding: 25px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
  color: #333;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-excerpt {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #f0f0f0;
  padding-top: 15px;
}

.read-more {
  color: #00a2e8;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
}

.read-more:hover {
  color: #007ab3;
  gap: 10px;
}

.read-more i {
  transition: transform 0.3s ease;
}

.read-more:hover i {
  transform: translateX(3px);
}

.view-count {
  color: #999;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.view-count i {
  font-size: 0.9rem;
}

/* 分页样式 */
.pagination {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  padding: 20px;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.pagination-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, #00a2e8 0%, #007ab3 100%);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,162,232,0.2);
}

.pagination-btn:hover:not(.disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,162,232,0.3);
  color: white;
}

.pagination-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  pointer-events: none;
}

.page-info {
  font-size: 1rem;
  color: #333;
  font-weight: 500;
  padding: 0 10px;
}

/* 订阅区域美化 */
.subscribe {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 80px 2rem;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.subscribe:before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,162,232,0.05) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-20px, -20px) rotate(180deg); }
}

.subscribe-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.subscribe-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #00a2e8 0%, #007ab3 100%);
  border-radius: 50%;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0,162,232,0.3);
}

.subscribe-icon i {
  font-size: 2rem;
  color: #fff;
}

.subscribe h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #333;
  font-weight: 700;
}

.subscribe p {
  color: #666;
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
  line-height: 1.6;
}

.subscribe-form {
  max-width: 500px;
  margin: 0 auto 3rem;
}

.input-group {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 50px;
  padding: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.input-group:focus-within {
  border-color: #00a2e8;
  box-shadow: 0 10px 30px rgba(0,162,232,0.2);
}

.input-group i {
  color: #999;
  margin-left: 20px;
  margin-right: 15px;
  font-size: 1.1rem;
}

.input-group input {
  flex: 1;
  padding: 15px 0;
  border: none;
  outline: none;
  font-size: 1rem;
  background: transparent;
}

.input-group input::placeholder {
  color: #aaa;
}

.input-group button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  background: linear-gradient(135deg, #00a2e8 0%, #007ab3 100%);
  color: white;
  border: none;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.input-group button:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(0,162,232,0.3);
}

.subscribe-benefits {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #666;
  font-size: 0.95rem;
  font-weight: 500;
}

.benefit-item i {
  color: #00a2e8;
  font-size: 1rem;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
  .banner-title {
    font-size: 2.5rem;
  }
  
  .banner-subtitle {
    font-size: 1rem;
  }

  .content {
    padding: 30px 4%;
  }

  .content .content-item {
    flex-direction: column;
    gap: 10px;
    padding: 15px;
    border-radius: 20px;
  }

  .content .content-item button {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
  }

  .stats-container {
    flex-direction: column;
    gap: 15px;
  }

  .stat-item {
    padding: 15px 20px;
  }

  .content ul {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .subscribe {
    padding: 60px 1rem;
  }

  .subscribe h2 {
    font-size: 2rem;
  }

  .input-group {
    flex-direction: column;
    border-radius: 20px;
    padding: 20px;
    gap: 15px;
  }

  .input-group input {
    text-align: center;
    padding: 15px;
  }

  .input-group button {
    width: 100%;
    justify-content: center;
    border-radius: 15px;
  }

  .subscribe-benefits {
    flex-direction: column;
    gap: 15px;
  }

  .pagination {
    flex-direction: column;
    gap: 15px;
  }

  .pagination-btn {
    width: 100%;
    justify-content: center;
  }
}

@media screen and (max-width: 576px) {
  .content {
    padding: 20px 3%;
  }

  .banner-title {
    font-size: 2rem;
  }

  .card-content {
    padding: 20px;
  }

  .subscribe h2 {
    font-size: 1.8rem;
  }

  .stat-number {
    font-size: 1.3rem;
  }
}