:root {
      --blog-list-primary-text-color: #333333;
      --blog-list-secondary-text-color: #666666;
      --blog-list-date-text-color: #555555;
      --blog-list-background-color: #F8F8F8;
      --blog-list-card-background-color: #FFFFFF;
      --blog-list-accent-color: #004080; 
      --blog-list-accent-hover-color: #002B54; 
      --blog-list-border-radius: 10px;
      --blog-list-box-shadow-light: 0 4px 12px rgba(0, 0, 0, 0.08);
      --blog-list-box-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
      --blog-list-header-offset: var(--header-offset, 120px);
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      color: var(--blog-list-primary-text-color);
      background-color: var(--blog-list-background-color);
      padding-top: var(--blog-list-header-offset);
      padding-bottom: 50px;
      line-height: 1.6;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px 20px;
      max-width: 800px;
      margin-bottom: 30px;
    }

    .blog-list__section-title {
      font-size: 2.2em;
      color: var(--blog-list-accent-color);
      margin-bottom: 15px;
      font-weight: bold;
      line-height: 1.3;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--blog-list-secondary-text-color);
      margin-bottom: 20px;
    }

    .blog-list__timeline-wrapper {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .blog-list__timeline-wrapper::after {
      content: '';
      position: absolute;
      width: 4px;
      background-color: var(--blog-list-accent-color);
      top: 0;
      bottom: 0;
      left: 10px; 
      margin-left: -2px;
      z-index: 0;
    }

    .blog-list__timeline-item {
      padding: 10px 0;
      position: relative;
      width: 100%;
      margin-bottom: 30px;
      padding-left: 40px; 
      box-sizing: border-box;
    }

    .blog-list__timeline-dot {
      position: absolute;
      width: 20px;
      height: 20px;
      background-color: var(--blog-list-accent-color);
      border-radius: 50%;
      left: 0;
      top: 20px;
      margin-left: 0;
      z-index: 1;
      border: 3px solid var(--blog-list-background-color);
    }

    .blog-list__timeline-content {
      background-color: var(--blog-list-card-background-color);
      padding: 20px;
      border-radius: var(--blog-list-border-radius);
      box-shadow: var(--blog-list-box-shadow-light);
      position: relative;
      transition: box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .blog-list__timeline-content:hover {
      box-shadow: var(--blog-list-box-shadow-hover);
    }

    .blog-list__timeline-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
      border-radius: 5px;
      margin-bottom: 15px;
    }

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

    .blog-list__timeline-date {
      font-size: 0.9em;
      color: var(--blog-list-date-text-color);
      margin-bottom: 10px;
      display: block;
      font-weight: 600;
    }

    .blog-list__timeline-title {
      font-size: 1.2em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__timeline-link-title {
      color: var(--blog-list-primary-text-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__timeline-link-title:hover {
      color: var(--blog-list-accent-color);
    }

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

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

    .blog-list__timeline-read-more:hover {
      background-color: var(--blog-list-accent-hover-color);
    }

    .blog-list__action-area {
      text-align: center;
      margin-top: 40px;
      padding: 0 20px;
    }

    .blog-list__view-all-button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--blog-list-accent-color);
      color: var(--blog-list-card-background-color);
      text-decoration: none;
      border-radius: var(--blog-list-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .blog-list__view-all-button:hover {
      background-color: var(--blog-list-accent-hover-color);
      transform: translateY(-2px);
    }

    @media (min-width: 768px) {
      .blog-list__hero {
        padding: 60px 20px 30px;
      }
      .blog-list__section-title {
        font-size: 2.8em;
      }
      .blog-list__description {
        font-size: 1.2em;
      }

      .blog-list__timeline-wrapper::after {
        left: 50%; 
      }

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

      .blog-list__timeline-item:nth-child(odd) {
        left: 0;
        padding-right: 50px;
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) {
        left: 50%;
        padding-left: 50px;
        text-align: left;
      }

      .blog-list__timeline-dot {
        left: 50%;
        top: 25px;
        margin-left: -10px;
      }

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

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-image-wrapper {
        margin-left: auto;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-read-more {
        margin-left: auto;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline-wrapper {
        max-width: 1100px;
      }
      .blog-list__section-title {
        font-size: 3.2em;
      }
      .blog-list__timeline-item {
        margin-bottom: 60px;
      }
      .blog-list__timeline-title {
        font-size: 1.35em;
      }
      .blog-list__timeline-summary {
        font-size: 1.05em;
      }
    }