:root {
      --blog-list__primary-color: #0056b3;
      --blog-list__secondary-color: #f8f8f8;
      --blog-list__text-color: #1a1a1a;
      --blog-list__light-text-color: #666;
      --blog-list__lighter-text-color: #999;
      --blog-list__border-color: #ddd;
      --blog-list__shadow-color: rgba(0, 0, 0, 0.08);
      --blog-list__hover-shadow-color: rgba(0, 0, 0, 0.15);
      --blog-list__border-radius: 8px;
      --blog-list__card-spacing: 30px;
    }

    .blog-list__hero-section {
      padding-top: var(--header-offset, 120px);
      background-color: var(--blog-list__secondary-color);
      padding: calc(var(--header-offset, 120px) + 30px) 20px 40px;
      text-align: center;
      color: var(--blog-list__text-color);
    }

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

    .blog-list__hero-description {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.6;
      color: var(--blog-list__light-text-color);
    }

    .blog-list__timeline-section {
      padding: 50px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .blog-list__timeline-container {
      position: relative;
      padding-left: 30px;
      border-left: 2px solid var(--blog-list__border-color);
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: var(--blog-list__card-spacing);
      padding-left: 30px;
    }

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

    .blog-list__timeline-dot {
      position: absolute;
      left: -11px;
      top: 0;
      width: 20px;
      height: 20px;
      background-color: var(--blog-list__primary-color);
      border-radius: 50%;
      border: 3px solid #fff;
      box-shadow: 0 0 0 2px var(--blog-list__primary-color);
    }

    .blog-list__timeline-content {
      background-color: #fff;
      padding: 25px;
      border-radius: var(--blog-list__border-radius);
      box-shadow: 0 4px 12px var(--blog-list__shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--blog-list__hover-shadow-color);
    }

    .blog-list__timeline-date {
      font-size: 0.85em;
      color: var(--blog-list__lighter-text-color);
      margin-bottom: 10px;
      display: block;
    }

    .blog-list__timeline-image-wrapper {
      aspect-ratio: 16 / 9;
      overflow: hidden;
      border-radius: 6px;
      margin-bottom: 15px;
    }

    .blog-list__timeline-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

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

    .blog-list__timeline-title {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
      color: var(--blog-list__text-color);
    }

    .blog-list__timeline-summary {
      font-size: 0.95em;
      color: var(--blog-list__light-text-color);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .blog-list__timeline-read-more {
      display: inline-block;
      background-color: var(--blog-list__primary-color);
      color: #fff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      align-self: flex-start;
      font-size: 0.9em;
    }

    .blog-list__timeline-read-more:hover {
      background-color: #004494;
    }

    @media (min-width: 768px) {
      .blog-list__hero-title {
        font-size: 3em;
      }
      .blog-list__hero-description {
        font-size: 1.2em;
      }
      .blog-list__timeline-container {
        padding-left: 0;
        border-left: none;
        display: grid;
        grid-template-columns: 1fr 2px 1fr;
        gap: var(--blog-list__card-spacing);
      }
      .blog-list__timeline-container::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        width: 2px;
        background-color: var(--blog-list__border-color);
        transform: translateX(-50%);
      }
      .blog-list__timeline-item {
        padding-left: 0;
        margin-bottom: 0;
        display: flex;
        flex-direction: column;
        position: relative;
      }
      .blog-list__timeline-item:nth-child(odd) {
        grid-column: 1 / 2;
        text-align: right;
        padding-right: 40px;
      }
      .blog-list__timeline-item:nth-child(even) {
        grid-column: 3 / 4;
        text-align: left;
        padding-left: 40px;
      }
      .blog-list__timeline-dot {
        left: auto;
        right: -11px;
        top: 0;
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-dot {
        left: -11px;
        right: auto;
      }
      .blog-list__timeline-date {
        position: absolute;
        width: 100%;
        top: 0;
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date {
        right: calc(100% + 50px);
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
        left: calc(100% + 50px);
      }
      .blog-list__timeline-content {
        margin-top: 30px; 
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-read-more {
        align-self: flex-end;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__hero-title {
        font-size: 3.5em;
      }
      .blog-list__timeline-container {
        grid-template-columns: 1fr 2px 1fr;
      }
    }