:root {
      --blog-list__primary-color: #007bff;
      --blog-list__secondary-color: #6c757d;
      --blog-list__text-color: #333;
      --blog-list__light-text-color: #666;
      --blog-list__lighter-text-color: #999;
      --blog-list__background-color: #f8f8f8;
      --blog-list__card-background: #fff;
      --blog-list__border-color: #eee;
      --blog-list__card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      --blog-list__card-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
      --blog-list__border-radius: 10px;
      --blog-list__spacing-md: 20px;
      --blog-list__spacing-lg: 30px;
    }

    .blog-list__section {
      padding-top: var(--header-offset, 120px);
      padding-bottom: var(--blog-list__spacing-lg);
      background-color: var(--blog-list__background-color);
      color: var(--blog-list__text-color);
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--blog-list__spacing-md);
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: var(--blog-list__spacing-lg);
      padding-top: var(--blog-list__spacing-md);
    }

    .blog-list__title {
      font-size: 2.5em;
      color: var(--blog-list__text-color);
      margin-bottom: 10px;
      font-weight: 700;
    }

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

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

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

    .blog-list__timeline-item {
      display: flex;
      margin-bottom: var(--blog-list__spacing-lg);
      position: relative;
      align-items: flex-start;
      z-index: 1;
    }

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

    .blog-list__timeline-date {
      min-width: 100px;
      padding-right: var(--blog-list__spacing-md);
      text-align: right;
      font-size: 0.9em;
      color: var(--blog-list__lighter-text-color);
      position: relative;
      padding-top: 5px;
    }

    .blog-list__timeline-date::after {
      content: '';
      position: absolute;
      right: 12px;
      top: 8px;
      width: 16px;
      height: 16px;
      background-color: var(--blog-list__primary-color);
      border: 3px solid var(--blog-list__card-background);
      border-radius: 50%;
      z-index: 2;
    }

    .blog-list__timeline-card {
      flex-grow: 1;
      background-color: var(--blog-list__card-background);
      border-radius: var(--blog-list__border-radius);
      box-shadow: var(--blog-list__card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      margin-left: var(--blog-list__spacing-md);
    }

    .blog-list__timeline-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--blog-list__card-shadow-hover);
    }

    .blog-list__card-image-wrapper {
      position: relative;
      width: 100%;
      padding-top: 56.25%;
      overflow: hidden;
      background-color: var(--blog-list__border-color);
    }

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

    .blog-list__card-content {
      padding: var(--blog-list__spacing-md);
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .blog-list__card-title {
      font-size: 1.25em;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

    .blog-list__card-title-link:hover {
      color: var(--blog-list__primary-color);
    }

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

    .blog-list__card-link {
      display: inline-block;
      margin-top: auto;
      padding: 8px 15px;
      background-color: var(--blog-list__primary-color);
      color: var(--blog-list__card-background);
      text-decoration: none;
      border-radius: 5px;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      align-self: flex-start;
    }

    .blog-list__card-link:hover {
      background-color: #0056b3;
    }

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

      .blog-list__timeline-item {
        justify-content: space-between;
        margin-left: 0;
        margin-right: 0;
      }

      .blog-list__timeline-date {
        flex: 0 0 50%;
        max-width: 50%;
        padding-right: var(--blog-list__spacing-lg);
        text-align: right;
        padding-top: 0;
      }

      .blog-list__timeline-date::after {
        right: -8px;
        top: 0;
      }

      .blog-list__timeline-card {
        flex: 0 0 50%;
        max-width: 50%;
        margin-left: var(--blog-list__spacing-lg);
        margin-right: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date {
        order: 2;
        text-align: left;
        padding-left: var(--blog-list__spacing-lg);
        padding-right: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date::after {
        left: -8px;
        right: auto;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-card {
        order: 1;
        margin-left: 0;
        margin-right: var(--blog-list__spacing-lg);
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--blog-list__spacing-lg);
        padding-top: var(--blog-list__spacing-md);
        padding-bottom: var(--blog-list__spacing-md);
      }

      .blog-list__timeline::before {
        display: none;
      }

      .blog-list__timeline-item {
        display: block;
        margin-bottom: 0;
        align-items: stretch;
      }

      .blog-list__timeline-date {
        display: block;
        text-align: left;
        padding-right: 0;
        min-width: auto;
        margin-bottom: 10px;
        color: var(--blog-list__lighter-text-color);
        font-size: 0.85em;
      }

      .blog-list__timeline-date::after {
        display: none;
      }

      .blog-list__timeline-card {
        margin-left: 0;
        margin-right: 0;
        max-width: 100%;
        width: 100%;
        height: 100%;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date,
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-card {
        order: unset;
        text-align: left;
        padding-left: 0;
        padding-right: 0;
        margin-left: 0;
        margin-right: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date::after {
        display: none;
      }
    }