:root {
      --blog-list-primary-color: #0056b3;
      --blog-list-secondary-color: #f8f9fa;
      --blog-list-text-color: #333;
      --blog-list-light-text-color: #666;
      --blog-list-border-color: #ddd;
      --blog-list-background-color: #fff;
      --blog-list-shadow-color: rgba(0, 0, 0, 0.1);
      --blog-list-accent-color: #ffc107; 
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--blog-list-secondary-color);
      font-family: 'Arial', sans-serif;
      color: var(--blog-list-text-color);
    }

    .blog-list__timeline-container {
      max-width: 960px;
      margin: 0 auto;
      padding: 20px 15px;
    }

    .blog-list__main-title {
      font-size: 2.5em;
      color: var(--blog-list-primary-color);
      text-align: center;
      margin-bottom: 15px;
      font-weight: bold;
      line-height: 1.2;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--blog-list-light-text-color);
      text-align: center;
      margin-bottom: 40px;
      line-height: 1.6;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 10px; 
      width: 2px;
      background-color: var(--blog-list-border-color);
      z-index: 1;
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 30px;
      padding-left: 40px; 
    }

    .blog-list__timeline-item:last-child {
      margin-bottom: 0;
    }

    .blog-list__timeline-dot {
      position: absolute;
      top: 0;
      left: 0;
      width: 20px;
      height: 20px;
      background-color: var(--blog-list-primary-color);
      border-radius: 50%;
      border: 3px solid var(--blog-list-background-color);
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .blog-list__timeline-content {
      background-color: var(--blog-list-background-color);
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--blog-list-shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: block;
      text-decoration: none;
      color: var(--blog-list-text-color);
      height: 100%;
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .blog-list__timeline-date {
      font-size: 0.85em;
      color: var(--blog-list-light-text-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .blog-list__timeline-image {
      position: relative;
      width: 100%;
      padding-top: 56.25%; 
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .blog-list__timeline-title {
      font-size: 1.4em;
      font-weight: bold;
      color: var(--blog-list-primary-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .blog-list__timeline-summary {
      font-size: 1em;
      color: var(--blog-list-light-text-color);
      line-height: 1.6;
      margin-bottom: 15px;
      overflow: hidden;
      text-overflow: ellipsis;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
    }

    .blog-list__read-more {
      display: inline-block;
      padding: 8px 15px;
      background-color: var(--blog-list-accent-color);
      color: var(--blog-list-text-color);
      text-decoration: none;
      border-radius: 5px;
      font-size: 0.9em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: #e0a800;
    }

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

      .blog-list__timeline-item {
        width: 50%;
        padding-left: 0;
        margin-bottom: 40px;
      }

      .blog-list__timeline-item:nth-child(odd) {
        float: left;
        clear: left;
        padding-right: 40px; 
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) {
        float: right;
        clear: right;
        padding-left: 40px; 
        text-align: left;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-dot {
        right: -10px;
        left: auto;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-dot {
        left: -10px;
        right: auto;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        text-align: left;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__read-more {
        float: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__read-more {
        float: left;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__main-title {
        font-size: 3em;
      }

      .blog-list__description {
        font-size: 1.2em;
      }

      .blog-list__timeline-title {
        font-size: 1.6em;
      }

      .blog-list__timeline-summary {
        font-size: 1.05em;
      }
    }

    .blog-list__clearfix::after {
      content: "";
      display: table;
      clear: both;
    }