:root {
      --primary-bg-color: #f8f8f8;
      --card-bg-color: #ffffff;
      --text-dark-color: #333333;
      --text-medium-color: #666666;
      --text-light-color: #999999;
      --accent-color: #007bff;
      --accent-hover-color: #0056b3;
      --timeline-line-color: #cccccc;
      --header-offset: 120px; 
    }

    .blog-list {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--text-dark-color);
      background-color: var(--primary-bg-color);
      padding: 20px;
      padding-top: var(--header-offset, 120px); 
      max-width: 1200px;
      margin: 0 auto;
    }

    .blog-list__page-title {
      font-size: 2.2em;
      color: var(--text-dark-color);
      text-align: center;
      margin-bottom: 15px;
      font-weight: bold;
    }

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

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

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

    .blog-list__item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 30px;
      position: relative;
    }

    .blog-list__timeline-node {
      flex-shrink: 0;
      width: 80px; 
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
      padding-right: 20px;
      top: 15px; 
    }

    .blog-list__timeline-dot {
      width: 16px;
      height: 16px;
      background-color: var(--accent-color);
      border: 3px solid var(--card-bg-color);
      border-radius: 50%;
      position: absolute;
      left: -8px; 
      z-index: 1;
      box-shadow: 0 0 0 2px var(--timeline-line-color);
    }

    .blog-list__date {
      font-size: 0.9em;
      color: var(--text-light-color);
      text-align: center;
      margin-top: 25px; 
      display: block;
      white-space: nowrap;
    }

    .blog-list__card {
      flex-grow: 1;
      background-color: var(--card-bg-color);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      margin-left: 20px; 
    }

    .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .blog-list__image-link {
      display: block;
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
    }

    .blog-list__cover-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .blog-list__card:hover .blog-list__cover-image {
      transform: scale(1.05);
    }

    .blog-list__text-content {
      padding: 20px;
    }

    .blog-list__title {
      font-size: 1.25em; 
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.3;
    }

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

    .blog-list__title-link:hover {
      color: var(--accent-color);
    }

    .blog-list__summary {
      font-size: 0.95em; 
      color: var(--text-medium-color);
      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(--accent-color);
      color: var(--card-bg-color);
      padding: 10px 18px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: var(--accent-hover-color);
    }

    @media (min-width: 768px) {
      .blog-list__timeline {
        padding-left: 100px; 
      }

      .blog-list__timeline::before {
        left: 50px; 
      }

      .blog-list__item {
        margin-bottom: 40px;
      }

      .blog-list__timeline-node {
        position: absolute;
        left: 0;
        width: 100px; 
        padding-right: 0;
        align-items: flex-end; 
      }

      .blog-list__timeline-dot {
        left: 42px; 
      }

      .blog-list__date {
        margin-top: 0;
        margin-right: 20px; 
        text-align: right;
      }

      .blog-list__card {
        margin-left: 120px; 
        width: calc(100% - 120px);
        max-width: none;
      }

      
      .blog-list__item:nth-child(even) .blog-list__timeline-node {
        left: auto;
        right: 0;
        align-items: flex-start;
      }

      .blog-list__item:nth-child(even) .blog-list__timeline-dot {
        left: auto;
        right: -8px; 
        box-shadow: 0 0 0 2px var(--timeline-line-color);
      }

      .blog-list__item:nth-child(even) .blog-list__date {
        margin-left: 20px;
        margin-right: 0;
        text-align: left;
      }

      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 0;
        margin-right: 120px;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline {
        padding-left: 150px;
        padding-right: 150px;
      }

      .blog-list__timeline::before {
        left: calc(50% - 2px); 
      }

      .blog-list__item {
        display: flex;
        justify-content: space-between;
        margin-bottom: 60px;
      }

      .blog-list__timeline-node {
        position: absolute;
        top: 15px;
        left: 0;
        width: 140px;
        align-items: flex-end;
      }

      .blog-list__timeline-dot {
        left: calc(50% - 8px); 
      }

      .blog-list__date {
        margin-right: 20px;
      }

      .blog-list__card {
        width: calc(50% - 90px); 
        margin-left: auto;
        margin-right: 0;
      }

      .blog-list__item:nth-child(even) .blog-list__timeline-node {
        left: auto;
        right: 0;
        align-items: flex-start;
      }

      .blog-list__item:nth-child(even) .blog-list__timeline-dot {
        left: calc(50% - 8px);
      }

      .blog-list__item:nth-child(even) .blog-list__date {
        margin-left: 20px;
        margin-right: 0;
      }

      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 0;
        margin-right: auto;
      }
    }