:root {
      --blog-list__primary-color: #0056b3; 
      --blog-list__secondary-color: #f0f0f0;
      --blog-list__text-color: #333;
      --blog-list__light-text-color: #666;
      --blog-list__date-color: #999;
      --blog-list__border-color: #ddd;
      --blog-list__shadow-color: rgba(0, 0, 0, 0.1);
      --blog-list__hover-shadow-color: rgba(0, 0, 0, 0.2);
    }

    .blog-list {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--blog-list__text-color);
      background-color: #f9f9f9;
    }

    .blog-list__timeline-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--header-offset, 120px) 20px 40px;
      position: relative;
    }

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

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

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background-color: var(--blog-list__primary-color);
      transform: translateX(-50%);
      z-index: 0;
    }

    .blog-list__timeline-item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 40px;
      position: relative;
      width: 100%;
    }

    .blog-list__timeline-item:nth-child(odd) {
      flex-direction: row-reverse;
    }

    .blog-list__timeline-item:nth-child(even) {
      flex-direction: row;
    }

    .blog-list__timeline-dot {
      position: absolute;
      top: 20px;
      left: 50%;
      width: 20px;
      height: 20px;
      background-color: var(--blog-list__primary-color);
      border: 4px solid var(--blog-list__secondary-color);
      border-radius: 50%;
      transform: translateX(-50%);
      z-index: 1;
    }

    .blog-list__timeline-content {
      background-color: #fff;
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--blog-list__shadow-color);
      width: calc(50% - 40px);
      position: relative;
      transition: all 0.3s ease;
      border: 1px solid var(--blog-list__border-color);
    }

    .blog-list__timeline-content:hover {
      box-shadow: 0 6px 20px var(--blog-list__hover-shadow-color);
      transform: translateY(-3px);
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
      margin-right: 40px;
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
      margin-left: 40px;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content::after {
      content: '';
      position: absolute;
      top: 25px;
      left: 100%;
      width: 0;
      height: 0;
      border-top: 10px solid transparent;
      border-bottom: 10px solid transparent;
      border-left: 10px solid #fff;
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content::after {
      content: '';
      position: absolute;
      top: 25px;
      right: 100%;
      width: 0;
      height: 0;
      border-top: 10px solid transparent;
      border-bottom: 10px solid transparent;
      border-right: 10px solid #fff;
    }

    .blog-list__date {
      display: block;
      font-size: 0.85em;
      color: var(--blog-list__date-color);
      margin-bottom: 10px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

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

    .blog-list__image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      aspect-ratio: 16/9;
    }

    .blog-list__title {
      font-size: 1.4em;
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--blog-list__primary-color);
      transition: color 0.2s ease;
    }

    .blog-list__link-wrapper:hover .blog-list__title {
      color: #007bff;
    }

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

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--blog-list__primary-color);
      color: #fff;
      padding: 8px 15px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      transition: background-color 0.2s ease;
    }

    .blog-list__read-more:hover {
      background-color: #007bff;
    }

    @media (max-width: 1024px) {
      .blog-list__timeline::before {
        left: 20px;
        transform: translateX(0);
      }

      .blog-list__timeline-item {
        flex-direction: row;
        justify-content: flex-start;
      }

      .blog-list__timeline-dot {
        left: 20px;
        transform: translateX(-50%);
      }

      .blog-list__timeline-content {
        width: calc(100% - 60px);
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: 0;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content,
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-left: 60px;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content::after {
        border-left: none;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content::after,
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content::after {
        right: 100%;
        left: auto;
        border-right: 10px solid #fff;
      }
    }

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

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

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

      .blog-list__image {
        height: 180px;
      }

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

      .blog-list__summary {
        font-size: 0.95em;
        -webkit-line-clamp: 4;
      }
    }

    @media (max-width: 480px) {
      .blog-list__timeline-container {
        padding: var(--header-offset, 120px) 15px 30px;
      }

      .blog-list__main-title {
        font-size: 1.8em;
      }

      .blog-list__image {
        height: 150px;
      }

      .blog-list__timeline::before {
        left: 15px;
      }

      .blog-list__timeline-dot {
        left: 15px;
      }

      .blog-list__timeline-content {
        width: calc(100% - 50px);
        margin-left: 50px;
      }
    }