:root {
      --primary-color: #0056b3;
      --text-color: #333333;
      --secondary-text-color: #666666;
      --light-text-color: #999999;
      --background-color: #f9f9f9;
      --card-background-color: #ffffff;
      --border-color: #e0e0e0;
      --shadow-color: rgba(0, 0, 0, 0.1);
      --hover-shadow-color: rgba(0, 0, 0, 0.2);
      --timeline-line-color: #e0e0e0;
      --timeline-dot-color: var(--primary-color);
      --header-offset: 120px;
    }

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

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

    .blog-list__title {
      font-size: 2.5em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 40px;
      font-weight: bold;
    }

    .blog-list__timeline-wrapper {
      position: relative;
      padding: 20px 0;
    }

    .blog-list__timeline-line {
      position: absolute;
      left: 20px;
      top: 0;
      bottom: 0;
      width: 2px;
      background-color: var(--timeline-line-color);
    }

    .blog-list__timeline-item {
      display: flex;
      margin-bottom: 40px;
      position: relative;
    }

    .blog-list__timeline-dot {
      width: 16px;
      height: 16px;
      background-color: var(--timeline-dot-color);
      border-radius: 50%;
      position: absolute;
      left: 13px;
      top: 5px;
      z-index: 1;
      border: 2px solid var(--card-background-color);
    }

    .blog-list__timeline-content {
      flex-grow: 1;
      padding-left: 40px;
    }

    .blog-list__item-date {
      display: block;
      font-size: 0.85em;
      color: var(--light-text-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

    .blog-list__item-card {
      background-color: var(--card-background-color);
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--shadow-color);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      border: 1px solid var(--border-color);
    }

    .blog-list__item-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--hover-shadow-color);
    }

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-top: 56.25%;
      position: relative;
      overflow: hidden;
      background-color: #f0f0f0;
    }

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

    .blog-list__item-text-content {
      padding: 20px;
    }

    .blog-list__item-title {
      font-size: 1.25em;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__item-title-link {
      color: var(--primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .blog-list__item-title-link:hover {
      color: #003d82;
    }

    .blog-list__item-summary {
      font-size: 0.95em;
      color: var(--secondary-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-link {
      display: inline-block;
      background-color: var(--primary-color);
      color: #ffffff;
      padding: 10px 18px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more-link:hover {
      background-color: #003d82;
    }

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

      .blog-list__timeline-item {
        margin-bottom: 60px;
        justify-content: center;
      }

      .blog-list__timeline-dot {
        left: 50%;
        transform: translateX(-50%);
        top: 0;
      }

      .blog-list__timeline-content {
        width: calc(50% - 40px);
        padding-left: 0;
        position: relative;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: calc(50% + 40px);
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__item-date {
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: calc(50% + 40px);
        text-align: left;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__item-date {
        text-align: left;
      }

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

    @media (min-width: 1024px) {
      .blog-list__title {
        font-size: 3em;
      }

      .blog-list__timeline-line {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__timeline-dot {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__timeline-item {
        margin-bottom: 80px;
      }

      .blog-list__timeline-content {
        width: calc(50% - 60px);
        padding: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: 60px;
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: 60px;
        text-align: left;
      }

      .blog-list__item-card {
        flex-direction: row;
        align-items: flex-start;
      }

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

      .blog-list__item-image-wrapper {
        width: 40%;
        padding-top: 0;
        height: 180px;
      }

      .blog-list__item-text-content {
        width: 60%;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__item-text-content {
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__item-text-content {
        text-align: left;
      }

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

      .blog-list__timeline-item:nth-child(even) .blog-list__read-more-link {
        margin-right: auto;
      }

      .blog-list__item-title {
        font-size: 1.5em;
      }
    }