.blog-list {
  padding-top: var(--header-offset, 120px);
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  box-sizing: border-box;
  background-color: #f8f8f8;
}

.blog-list__section {
  padding: 40px 0;
}

.blog-list__title {
  text-align: center;
  font-size: 32px;
  color: #333333;
  margin-bottom: 50px;
  position: relative;
  padding-bottom: 15px;
}

.blog-list__title::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 80px;
  height: 4px;
  background-color: #0056b3;
  border-radius: 2px;
}

.blog-list__timeline {
  position: relative;
  margin: 0 auto;
  padding: 40px 0;
}

.blog-list__timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background-color: #e0e0e0;
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  z-index: 0;
}

.blog-list__item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.blog-list__item:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.blog-list__item::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 25px;
  right: -17px;
  background-color: #ffffff;
  border: 4px solid #0056b3;
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.blog-list__item:nth-child(odd) {
  left: 0;
  padding-right: 70px;
}

.blog-list__item:nth-child(even) {
  left: 50%;
  padding-left: 70px;
}

.blog-list__item:nth-child(even)::after {
  left: -16px;
}

.blog-list__item-content {
  padding: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.blog-list__item-image {
  width: 100%;
  height: 225px;
  object-fit: cover;
  border-radius: 8px;
  aspect-ratio: 16 / 9;
}

.blog-list__item-title {
  font-size: 20px;
  font-weight: bold;
  margin: 0;
}

.blog-list__item-link {
  color: #0056b3;
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-list__item-link:hover {
  color: #007bff;
}

.blog-list__item-summary {
  font-size: 15px;
  color: #495057;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.5;
}

.blog-list__item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #6c757d;
}

.blog-list__item-read-more {
  display: inline-block;
  padding: 8px 15px;
  background-color: #1e7e34;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  font-size: 14px;
}

.blog-list__item-read-more:hover {
  background-color: #218838;
}

@media screen and (max-width: 1024px) {
  .blog-list__timeline::after {
    left: 20px;
    margin-left: 0;
  }

  .blog-list__item {
    width: 100%;
    padding-left: 70px;
    padding-right: 10px;
    left: 0;
  }

  .blog-list__item::after {
    left: 13px;
    right: auto;
  }

  .blog-list__item:nth-child(even) {
    left: 0;
    padding-left: 70px;
  }
}

@media screen and (max-width: 768px) {
  .blog-list {
    padding-left: 15px;
    padding-right: 15px;
  }
  .blog-list__section {
    padding: 20px 0;
  }
  .blog-list__timeline {
    padding: 20px 0;
  }
  .blog-list__timeline::after {
    left: 15px;
  }
  .blog-list__item {
    padding-left: 60px;
    margin-bottom: 15px;
  }
  .blog-list__item::after {
    left: 8px;
    width: 20px;
    height: 20px;
    top: 10px;
  }
  .blog-list__item-image {
    height: 180px;
  }
  .blog-list__item-title {
    font-size: 18px;
  }
  .blog-list__item-summary {
    font-size: 14px;
    -webkit-line-clamp: 4;
  }
  .blog-list__item-read-more {
    font-size: 13px;
    padding: 6px 12px;
  }
}

@media screen and (max-width: 480px) {
  .blog-list {
    padding-left: 10px;
    padding-right: 10px;
  }
  .blog-list__timeline::after {
    left: 10px;
  }
  .blog-list__item {
    padding-left: 50px;
  }
  .blog-list__item::after {
    left: 3px;
  }
  .blog-list__item-image {
    height: 150px;
  }
}