:root {
      --primary-color: #007bff; 
      --text-color-dark: #333;
      --text-color-medium: #666;
      --text-color-light: #999;
      --background-light: #f8f8f8;
      --card-background: #ffffff;
      --border-color: #eee;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
      --header-offset: 120px; 
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      padding-top: var(--header-offset, 120px); 
      background-color: var(--background-light);
    }

    .blog-list__section-title {
      font-size: 2.2em;
      color: var(--text-color-dark);
      text-align: center;
      margin-bottom: 40px;
      font-weight: 700;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      width: 4px;
      background-color: var(--border-color);
      left: 20px; 
      margin-left: -2px;
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 30px;
      padding-left: 60px; 
    }

    .blog-list__timeline-item::before {
      content: '';
      position: absolute;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background-color: var(--primary-color);
      border: 3px solid var(--card-background);
      left: 20px;
      top: 15px;
      margin-left: -8px;
      z-index: 1;
    }

    .blog-list__timeline-date {
      font-size: 0.9em;
      color: var(--text-color-light);
      margin-bottom: 10px;
      display: block;
      position: absolute;
      left: 0;
      width: 50px; 
      text-align: right;
      top: 15px;
      transform: translateX(-100%); 
      white-space: nowrap;
    }

    .blog-list__timeline-content {
      background-color: var(--card-background);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 10px var(--shadow-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--shadow-hover);
    }

    .blog-list__timeline-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
      border-radius: 6px;
    }

    .blog-list__timeline-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 6px;
    }

    .blog-list__timeline-title {
      font-size: 1.25em; 
      font-weight: 700;
      line-height: 1.4;
      margin-top: 0;
      margin-bottom: 0;
    }

    .blog-list__timeline-title-link {
      color: var(--text-color-dark);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__timeline-title-link:hover {
      color: var(--primary-color);
    }

    .blog-list__timeline-summary {
      font-size: 1em; 
      color: var(--text-color-medium);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3; 
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      margin-bottom: 0;
    }

    .blog-list__timeline-read-more {
      display: inline-block;
      margin-top: 10px;
      color: var(--primary-color);
      text-decoration: none;
      font-weight: 600;
      transition: color 0.3s ease;
    }

    .blog-list__timeline-read-more:hover {
      text-decoration: underline;
    }

    
    @media (min-width: 768px) {
      .blog-list__timeline::before {
        left: 50%;
      }

      .blog-list__timeline-item {
        margin-bottom: 40px;
        padding-left: 0;
      }

      .blog-list__timeline-item::before {
        left: 50%;
      }

      .blog-list__timeline-date {
        position: relative; 
        width: auto;
        text-align: center;
        margin-bottom: 15px;
        transform: none;
        top: auto;
      }

      .blog-list__timeline-content {
        max-width: calc(50% - 40px); 
        margin-left: auto; 
        margin-right: auto;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-left: 0;
        margin-right: calc(50% + 20px); 
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-right: 0;
        margin-left: calc(50% + 20px); 
      }
      
      .blog-list__timeline-item:nth-child(odd)::before {
        left: 50%;
      }
      .blog-list__timeline-item:nth-child(even)::before {
        left: 50%;
      }

      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date {
        position: absolute;
        right: calc(50% + 30px); 
        left: auto;
        top: 20px;
        text-align: right;
        width: 150px; 
        font-size: 1em;
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
        position: absolute;
        left: calc(50% + 30px); 
        right: auto;
        top: 20px;
        text-align: left;
        width: 150px; 
        font-size: 1em;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        max-width: calc(50% - 60px); 
      }
      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: calc(50% + 60px);
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: calc(50% + 60px);
      }
    }