:root {
      --blog-list__primary-color: #0056b3;
      --blog-list__secondary-color: #f8f8f8;
      --blog-list__text-color: #333333;
      --blog-list__subtext-color: #666666;
      --blog-list__date-color: #999999;
      --blog-list__border-color: #e0e0e0;
      --blog-list__card-bg: #ffffff;
      --blog-list__shadow-color: rgba(0, 0, 0, 0.1);
      --blog-list__hover-shadow-color: rgba(0, 0, 0, 0.2);
      --blog-list__border-radius: 10px;
      --blog-list__spacing: 24px;
      --blog-list__timeline-line-color: #e0e0e0;
      --blog-list__timeline-dot-color: var(--blog-list__primary-color);
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      color: var(--blog-list__text-color);
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--blog-list__spacing);
      padding-top: var(--header-offset, 120px);
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: calc(2 * var(--blog-list__spacing));
      padding: var(--blog-list__spacing) 0;
    }

    .blog-list__title {
      font-size: 2.2em;
      color: var(--blog-list__primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
      font-weight: bold;
    }

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

    .blog-list__timeline {
      position: relative;
      padding: var(--blog-list__spacing) 0;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background-color: var(--blog-list__timeline-line-color);
      transform: translateX(-50%);
      z-index: 1;
    }

    .blog-list__item {
      margin-bottom: var(--blog-list__spacing);
      position: relative;
      z-index: 2;
    }

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

    .blog-list__item-content {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .blog-list__date-wrapper {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--blog-list__timeline-dot-color);
      color: var(--blog-list__card-bg);
      padding: 8px 15px;
      border-radius: var(--blog-list__border-radius);
      font-size: 0.9em;
      font-weight: bold;
      white-space: nowrap;
      box-shadow: 0 2px 5px var(--blog-list__shadow-color);
      z-index: 3;
    }
    
    .blog-list__date {
      color: inherit;
    }

    .blog-list__card {
      background-color: var(--blog-list__card-bg);
      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;
      width: 45%;
      position: relative;
    }

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

    .blog-list__item:nth-child(odd) .blog-list__card {
      margin-right: calc(5% + 40px);
    }

    .blog-list__item:nth-child(even) .blog-list__card {
      margin-left: calc(5% + 40px);
    }

    .blog-list__item:nth-child(even) .blog-list__item-content {
      flex-direction: row-reverse;
    }

    .blog-list__item:nth-child(odd) .blog-list__date-wrapper {
        left: 50%;
        transform: translateX(-50%);
    }

    .blog-list__item:nth-child(even) .blog-list__date-wrapper {
        left: 50%;
        transform: translateX(-50%);
    }

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

    .blog-list__image-container {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      overflow: hidden;
      border-top-left-radius: var(--blog-list__border-radius);
      border-top-right-radius: var(--blog-list__border-radius);
    }

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

    .blog-list__text-content {
      padding: var(--blog-list__spacing);
    }

    .blog-list__post-title {
      font-size: 1.3em;
      font-weight: bold;
      color: var(--blog-list__primary-color);
      margin-bottom: 10px;
      line-height: 1.3;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__post-summary {
      font-size: 0.95em;
      color: var(--blog-list__subtext-color);
      margin-bottom: 15px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__read-more {
      display: inline-block;
      font-size: 0.9em;
      color: var(--blog-list__primary-color);
      font-weight: bold;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .blog-list__read-more:hover {
      text-decoration: underline;
      color: #003d80;
    }

    @media (max-width: 1024px) {
      .blog-list__timeline::before {
        left: 20px;
        transform: none;
      }

      .blog-list__item-content {
        justify-content: flex-start;
      }

      .blog-list__date-wrapper {
        left: 20px;
        transform: translateX(-50%);
        margin-left: 0;
        top: -15px;
        position: relative;
        margin-bottom: 10px;
      }

      .blog-list__item:nth-child(odd) .blog-list__card,
      .blog-list__item:nth-child(even) .blog-list__card {
        width: calc(100% - 60px);
        margin-left: 60px;
        margin-right: 0;
      }

      .blog-list__item:nth-child(even) .blog-list__item-content {
        flex-direction: row;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding: var(--blog-list__spacing) 15px;
      }

      .blog-list__title {
        font-size: 1.8em;
      }

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

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

      .blog-list__date-wrapper {
        left: 15px;
        font-size: 0.8em;
        padding: 6px 12px;
      }

      .blog-list__item:nth-child(odd) .blog-list__card,
      .blog-list__item:nth-child(even) .blog-list__card {
        width: calc(100% - 50px);
        margin-left: 50px;
      }

      .blog-list__post-title {
        font-size: 1.15em;
      }

      .blog-list__post-summary {
        font-size: 0.9em;
      }

      .blog-list__text-content {
        padding: calc(var(--blog-list__spacing) / 1.5);
      }
    }

    @media (max-width: 480px) {
      .blog-list__title {
        font-size: 1.5em;
      }
      .blog-list__description {
        font-size: 0.9em;
      }
      .blog-list__date-wrapper {
        font-size: 0.75em;
        padding: 5px 10px;
      }
      .blog-list__post-title {
        font-size: 1em;
      }
      .blog-list__post-summary {
        font-size: 0.85em;
        -webkit-line-clamp: 4;
      }
      .blog-list__read-more {
        font-size: 0.85em;
      }
    }