:root {
      --blog-list-primary-color: #007bff;
      --blog-list-secondary-color: #333;
      --blog-list-text-color: #555;
      --blog-list-light-grey: #f8f8f8;
      --blog-list-border-color: #eee;
      --blog-list-shadow-color: rgba(0, 0, 0, 0.1);
      --blog-list-shadow-hover-color: rgba(0, 0, 0, 0.2);
    }

    .blog-list {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      line-height: 1.6;
      color: var(--blog-list-text-color);
      background-color: #ffffff;
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px 60px;
      background-color: var(--blog-list-light-grey);
      margin-bottom: 30px;
      border-bottom: 1px solid var(--blog-list-border-color);
    }

    .blog-list__hero-title {
      font-size: 2.5em;
      color: var(--blog-list-secondary-color);
      margin-bottom: 15px;
      font-weight: 700;
      line-height: 1.2;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      color: var(--blog-list-text-color);
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.5;
    }

    .blog-list__timeline-wrapper {
      position: relative;
      max-width: 960px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .blog-list__timeline-wrapper::before {
      content: '';
      position: absolute;
      top: 0;
      left: 20px;
      width: 4px;
      height: 100%;
      background-color: var(--blog-list-border-color);
      z-index: 1;
      border-radius: 2px;
    }

    .blog-list__item {
      display: flex;
      flex-direction: column;
      margin-bottom: 30px;
      position: relative;
      z-index: 2;
    }

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

    .blog-list__item-date-marker {
      display: flex;
      align-items: center;
      margin-bottom: 10px;
      padding-left: 40px;
    }

    .blog-list__item-date {
      font-size: 0.9em;
      color: #999;
      white-space: nowrap;
      margin-right: 15px;
      font-weight: 600;
    }

    .blog-list__item-marker {
      width: 16px;
      height: 16px;
      background-color: var(--blog-list-primary-color);
      border: 3px solid #ffffff;
      border-radius: 50%;
      position: absolute;
      left: 13px;
      box-shadow: 0 0 0 2px var(--blog-list-primary-color);
    }

    .blog-list__item-card {
      display: block;
      background-color: #ffffff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px var(--blog-list-shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-decoration: none;
      margin-left: 40px;
      color: var(--blog-list-text-color);
    }

    .blog-list__item-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--blog-list-shadow-hover-color);
    }

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-top: 56.25%;
      position: relative;
      overflow: hidden;
      background-color: #f0f0f0;
    }

    .blog-list__item-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

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

    .blog-list__item-title {
      font-size: 1.25em;
      color: var(--blog-list-secondary-color);
      margin-top: 0;
      margin-bottom: 10px;
      font-weight: 700;
      line-height: 1.3;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

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

    .blog-list__item-read-more {
      display: inline-block;
      font-size: 0.95em;
      color: var(--blog-list-primary-color);
      font-weight: 600;
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__item-read-more:hover {
      color: #0056b3;
      text-decoration: underline;
    }

    @media (min-width: 768px) {
      .blog-list__hero {
        padding: 60px 30px 80px;
      }

      .blog-list__hero-title {
        font-size: 3em;
      }

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

      .blog-list__item {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 60px;
      }

      .blog-list__item-date-marker {
        position: absolute;
        width: 50%;
        left: 0;
        top: 0;
        justify-content: flex-end;
        padding-right: 40px;
        margin-bottom: 0;
      }

      .blog-list__item-date {
        font-size: 1em;
      }

      .blog-list__item-marker {
        left: auto;
        right: -8px;
      }

      .blog-list__item-card {
        width: calc(50% - 40px);
        margin-left: 0;
        position: relative;
        left: calc(50% + 40px);
      }

      .blog-list__item:nth-child(even) .blog-list__item-date-marker {
        justify-content: flex-start;
        padding-left: 40px;
        padding-right: 0;
      }

      .blog-list__item:nth-child(even) .blog-list__item-marker {
        left: -8px;
        right: auto;
      }

      .blog-list__item:nth-child(even) .blog-list__item-card {
        left: auto;
        right: calc(50% + 40px);
      }

      .blog-list__item:nth-child(even) .blog-list__item-card {
        order: -1;
      }

      .blog-list__item-image-wrapper {
        height: 200px;
        padding-top: 0;
      }

      .blog-list__item-title {
        font-size: 1.35em;
      }

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

    @media (min-width: 1024px) {
      .blog-list__hero-title {
        font-size: 3.5em;
      }

      .blog-list__timeline-wrapper {
        padding: 0;
      }

      .blog-list__item-card {
        width: calc(50% - 50px);
      }

      .blog-list__item-date-marker {
        padding-right: 50px;
      }

      .blog-list__item-card {
        left: calc(50% + 50px);
      }

      .blog-list__item:nth-child(even) .blog-list__item-date-marker {
        padding-left: 50px;
      }

      .blog-list__item:nth-child(even) .blog-list__item-card {
        right: calc(50% + 50px);
      }

      .blog-list__item-image-wrapper {
        height: 220px;
      }
    }