.blog-list {
  background-color: #1a1a1a;
  color: #f0f0f0;
  font-family: 'Arial', sans-serif;
  padding-top: var(--header-offset, 120px);
  padding-bottom: 40px;
  min-height: 100vh;
}

.blog-list__section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.blog-list__header-wrapper {
  text-align: center;
  margin-bottom: 40px;
  padding: 20px;
  background-color: #2a2a2a;
  border-radius: 12px;
}

.blog-list__main-title {
  font-size: 2.5em;
  color: #FFD700;
  margin-bottom: 15px;
  font-weight: bold;
}

.blog-list__description {
  font-size: 1.1em;
  color: #b0b0b0;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

.blog-list__timeline {
  position: relative;
  margin: 0 auto;
  padding: 20px 0;
}

.blog-list__timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  width: 4px;
  background-color: #FFD700;
  height: 100%;
  transform: translateX(-50%);
  z-index: 1;
}

.blog-list__item {
  display: flex;
  position: relative;
  background-color: #2a2a2a;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  margin-bottom: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 2;
  overflow: hidden;
}

.blog-list__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.blog-list__date-point {
  position: absolute;
  top: 20px;
  left: 50%;
  width: 20px;
  height: 20px;
  background-color: #FFD700;
  border: 4px solid #1a1a1a;
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.blog-list__image-link {
  flex: 0 0 40%;
  display: block;
  overflow: hidden;
  border-radius: 12px 0 0 12px;
}

.blog-list__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
  aspect-ratio: 16 / 9;
}

.blog-list__item:hover .blog-list__image {
  transform: scale(1.05);
}

.blog-list__content {
  flex: 1;
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-list__post-title {
  font-size: 1.5em;
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-list__post-title-link {
  color: #f0f0f0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-list__post-title-link:hover {
  color: #FFD700;
}

.blog-list__post-summary {
  font-size: 1em;
  color: #b0b0b0;
  margin-bottom: 15px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.blog-list__post-meta {
  margin-top: auto;
  margin-bottom: 15px;
}

.blog-list__post-date {
  font-size: 0.85em;
  color: #b0b0b0;
  display: block;
}

.blog-list__read-more-link {
  display: inline-block;
  background-color: #FFD700;
  color: #1a1a1a;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  font-size: 0.95em;
}

.blog-list__read-more-link:hover {
  background-color: #e6c200;
  transform: translateY(-2px);
}

@media (min-width: 1025px) {
  .blog-list__timeline {
    display: grid;
    grid-template-columns: 1fr 4px 1fr;
    gap: 30px;
    max-width: 1000px;
  }

  .blog-list__timeline-line {
    left: 50%;
    transform: translateX(-50%);
  }

  .blog-list__item {
    margin-bottom: 0;
    width: 100%;
  }

  .blog-list__item:nth-child(odd) {
    grid-column: 1 / span 1;
    text-align: right;
    border-radius: 12px;
  }

  .blog-list__item:nth-child(even) {
    grid-column: 3 / span 1;
    text-align: left;
    border-radius: 12px;
  }

  .blog-list__item:nth-child(odd) .blog-list__date-point {
    left: auto;
    right: -45px;
    transform: translateX(50%);
  }

  .blog-list__item:nth-child(even) .blog-list__date-point {
    left: -45px;
    right: auto;
    transform: translateX(-50%);
  }
  
  .blog-list__item:nth-child(odd) .blog-list__image-link {
    order: 2;
    border-radius: 0 12px 12px 0;
  }

  .blog-list__item:nth-child(odd) .blog-list__content {
    order: 1;
  }

  .blog-list__item:nth-child(even) .blog-list__image-link {
    order: 1;
    border-radius: 12px 0 0 12px;
  }

  .blog-list__item:nth-child(even) .blog-list__content {
    order: 2;
  }

  .blog-list__item:nth-child(odd) .blog-list__read-more-link {
    margin-left: auto;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .blog-list__main-title {
    font-size: 2em;
  }

  .blog-list__description {
    font-size: 1em;
  }

  .blog-list__timeline-line {
    left: 40px;
    transform: translateX(0);
  }

  .blog-list__item {
    flex-direction: row;
    margin-left: 80px;
    width: auto;
  }

  .blog-list__date-point {
    left: -40px;
    transform: translateX(0);
  }

  .blog-list__image-link {
    border-radius: 12px 0 0 12px;
  }
  .blog-list__content {
    text-align: left;
  }
  .blog-list__read-more-link {
    margin-left: 0;
  }
}

@media (max-width: 767px) {
  .blog-list__main-title {
    font-size: 1.8em;
  }

  .blog-list__description {
    font-size: 0.9em;
  }

  .blog-list__timeline-line {
    left: 20px;
    transform: translateX(0);
  }

  .blog-list__item {
    flex-direction: column;
    margin-left: 50px;
    margin-right: 10px;
  }

  .blog-list__date-point {
    left: -25px;
    top: 15px;
    transform: translateX(0);
  }

  .blog-list__image-link {
    flex: none;
    width: 100%;
    border-radius: 12px 12px 0 0;
  }

  .blog-list__image {
    height: 200px;
  }

  .blog-list__content {
    padding: 15px;
    text-align: left;
  }

  .blog-list__post-title {
    font-size: 1.2em;
  }

  .blog-list__post-summary {
    font-size: 0.9em;
    -webkit-line-clamp: 4;
  }

  .blog-list__read-more-link {
    margin-left: 0;
  }
}