:root {
      --blog-list-primary-color: #006633; 
      --blog-list-secondary-color: #003366; 
      --blog-list-text-color: #333333;
      --blog-list-light-text-color: #666666;
      --blog-list-background-color: #f9f9f9;
      --blog-list-card-background: #ffffff;
      --blog-list-border-color: #e0e0e0;
      --blog-list-shadow-color: rgba(0, 0, 0, 0.08);
      --blog-list-timeline-line-color: #cccccc;
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--blog-list-background-color);
      font-family: Arial, sans-serif;
      color: var(--blog-list-text-color);
      min-height: calc(100vh - var(--header-offset, 120px) - 200px);
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px;
      max-width: 800px;
      margin: 0 auto;
    }

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

    .blog-list__description {
      font-size: 1.1em;
      color: var(--blog-list-light-text-color);
      line-height: 1.6;
    }

    .blog-list__timeline {
      position: relative;
      max-width: 960px;
      margin: 60px auto;
      padding: 0 20px;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background: var(--blog-list-timeline-line-color);
      margin-left: -2px;
      z-index: 0;
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 60px;
      z-index: 1;
    }

    .blog-list__timeline-date-wrapper {
      position: absolute;
      width: 120px;
      height: 40px;
      line-height: 40px;
      background: var(--blog-list-primary-color);
      color: #ffffff;
      text-align: center;
      border-radius: 5px;
      font-weight: bold;
      font-size: 0.9em;
      top: -20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 2;
      box-shadow: 0 4px 8px var(--blog-list-shadow-color);
    }

    .blog-list__timeline-date {
      display: block;
      padding: 0 10px;
    }

    .blog-list__timeline-content {
      background: var(--blog-list-card-background);
      border-radius: 12px;
      box-shadow: 0 8px 16px var(--blog-list-shadow-color);
      padding: 20px;
      width: 100%;
      max-width: 500px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      margin: 40px auto 0 auto;
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    }

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

    .blog-list__timeline-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
    }

    .blog-list__timeline-title {
      font-size: 1.3em;
      color: var(--blog-list-secondary-color);
      margin-bottom: 10px;
      line-height: 1.4;
      font-weight: bold;
    }

    .blog-list__timeline-summary {
      font-size: 1em;
      color: var(--blog-list-light-text-color);
      line-height: 1.6;
      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-flex;
      align-items: center;
      color: var(--blog-list-primary-color);
      font-weight: bold;
      font-size: 0.95em;
      transition: color 0.3s ease;
    }

    .blog-list__read-more:hover {
      color: var(--blog-list-secondary-color);
    }

    .blog-list__read-more svg {
      margin-left: 5px;
      width: 16px;
      height: 16px;
      fill: var(--blog-list-primary-color);
      transition: fill 0.3s ease;
    }

    .blog-list__read-more:hover svg {
      fill: var(--blog-list-secondary-color);
    }

    @media (min-width: 768px) {
      .blog-list__timeline::before {
        left: 50%;
        margin-left: -2px;
      }

      .blog-list__timeline-item {
        margin-bottom: 80px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0;
        flex-direction: row;
      }

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

      .blog-list__timeline-date-wrapper {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 120px;
        height: 40px;
        line-height: 40px;
        border-radius: 5px;
        background: var(--blog-list-primary-color);
        color: #ffffff;
        text-align: center;
        font-weight: bold;
        font-size: 0.9em;
        z-index: 2;
        box-shadow: 0 4px 8px var(--blog-list-shadow-color);
        margin-top: 0;
      }

      .blog-list__timeline-content {
        width: calc(50% - 80px);
        max-width: none;
        margin-top: 0;
        padding: 25px;
      }

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

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

    @media (max-width: 767px) {
      .blog-list__timeline::before {
        left: 20px;
        margin-left: 0;
      }
      .blog-list__timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 40px;
      }
      .blog-list__timeline-date-wrapper {
        left: 20px;
        transform: translateX(-50%);
        top: 0;
        margin-top: -20px;
      }
      .blog-list__timeline-content {
        width: 100%;
        max-width: none;
        margin-top: 20px;
        padding: 15px;
        margin-left: 0; 
        margin-right: 0;
      }
      .blog-list__hero {
        padding: 30px 15px;
      }
      .blog-list__title {
        font-size: 2em;
      }
      .blog-list__description {
        font-size: 1em;
      }
      .blog-list__timeline {
        margin: 40px auto;
        padding: 0 15px;
      }
      .blog-list__timeline-image {
        height: 180px;
      }
    }