:root {
      --primary-color: #007bff; 
      --text-color-dark: #333;
      --text-color-medium: #666;
      --text-color-light: #999;
      --background-color-light: #f9f9f9;
      --border-color: #eee;
      --card-shadow: rgba(0, 0, 0, 0.08);
      --header-offset: 120px; 
    }

    .blog-list__section {
      padding: 30px 20px;
      padding-top: var(--header-offset, 120px); 
      max-width: 1200px;
      margin: 0 auto;
      background-color: #fff; 
      border-radius: 8px;
      box-shadow: 0 4px 15px var(--card-shadow);
      margin-bottom: 40px;
    }

    .blog-list__title {
      font-size: 2.2em;
      color: var(--text-color-dark);
      text-align: center;
      margin-bottom: 15px;
      font-weight: 700;
      line-height: 1.3;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-color-medium);
      text-align: center;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
    }

    .blog-list__timeline-container {
      position: relative;
      margin: 0 auto;
      padding: 20px 0;
      max-width: 900px; 
    }

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

    .blog-list__timeline-item {
      padding: 10px 0;
      position: relative;
      width: 100%; 
      padding-left: 60px; 
      margin-bottom: 40px;
    }

    
    .blog-list__timeline-item::after {
      content: '';
      position: absolute;
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border: 3px solid #fff;
      top: 20px;
      border-radius: 50%;
      z-index: 1;
      left: 10px; 
      right: auto; 
    }

    .blog-list__timeline-content {
      padding: 20px;
      background-color: var(--background-color-light);
      border-radius: 10px;
      position: relative;
      box-shadow: 0 4px 12px var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    }

    
    .blog-list__timeline-content::before {
      content: '';
      position: absolute;
      top: 25px;
      width: 0;
      height: 0;
      border: 10px solid transparent;
      border-right-color: var(--background-color-light); 
      left: -20px;
      z-index: 1;
    }

    .blog-list__date {
      font-size: 0.9em;
      color: var(--text-color-light);
      margin-bottom: 10px;
      display: block;
      text-align: left; 
    }

    .blog-list__image {
      width: 100%;
      height: 200px; 
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      display: block; 
    }

    .blog-list__item-title {
      font-size: 1.4em;
      color: var(--text-color-dark);
      margin-bottom: 10px;
      line-height: 1.4;
      font-weight: 600;
    }

    .blog-list__link {
      text-decoration: none;
      color: inherit;
    }

    .blog-list__link:hover .blog-list__item-title {
      color: var(--primary-color);
    }

    .blog-list__summary {
      font-size: 1em;
      color: var(--text-color-medium);
      line-height: 1.5;
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3; 
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      min-height: 3em; 
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--primary-color);
      color: #fff;
      padding: 8px 15px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.95em;
      transition: background-color 0.3s ease;
      font-weight: 500;
    }

    .blog-list__read-more:hover {
      background-color: #0056b3; 
    }

    .blog-list__pagination {
      text-align: center;
      margin-top: 50px;
    }

    .blog-list__view-all {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--primary-color);
      color: #fff;
      border-radius: 8px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: 600;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 123, 255, 0.3);
    }

    .blog-list__view-all:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    
    
    @media (max-width: 767px) {
      .blog-list__section {
        padding: 20px 15px;
        padding-top: var(--header-offset, 120px);
        margin-left: 10px;
        margin-right: 10px;
      }

      .blog-list__title {
        font-size: 1.8em;
      }

      .blog-list__description {
        font-size: 1em;
        margin-bottom: 30px;
      }

      .blog-list__timeline-container {
        max-width: 100%; 
      }

      .blog-list__image {
        height: 180px;
      }

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

      .blog-list__summary {
        font-size: 0.95em;
      }
    }

    
    @media (min-width: 768px) and (max-width: 1023px) {
      .blog-list__section {
        padding: 30px;
      }

      .blog-list__title {
        font-size: 2em;
      }

      .blog-list__timeline-container {
        max-width: 700px; 
      }

      .blog-list__image {
        height: 200px;
      }

      .blog-list__item-title {
        font-size: 1.3em;
      }
    }

    
    @media (min-width: 1024px) {
      .blog-list__section {
        padding: 40px;
      }
      .blog-list__timeline-container {
        max-width: 900px; 
      }
      .blog-list__image {
        height: 220px;
      }
    }