:root {
      --header-offset: 120px;
      --blog-list-bg: #f5f7fa;
      --card-bg: #ffffff;
      --text-color-dark: #333333;
      --text-color-medium: #666666;
      --text-color-light: #999999;
      --accent-color: #007bff;
      --accent-color-hover: #0056b3;
      --border-color: #e0e0e0;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      background-color: var(--blog-list-bg);
      padding: var(--header-offset, 120px) 20px 40px;
      max-width: 1200px;
      margin: 0 auto;
      color: var(--text-color-dark);
    }

    .blog-list__heading {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2.2em;
      color: var(--text-color-dark);
      font-weight: bold;
    }

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

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      width: 4px;
      height: 100%;
      background-color: var(--border-color);
      transform: translateX(-50%);
      z-index: 0;
    }

    .blog-list__timeline-item {
      display: flex;
      justify-content: center;
      align-items: flex-start;
      margin-bottom: 40px;
      position: relative;
    }

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

    .blog-list__timeline-marker {
      position: absolute;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 20px;
      background-color: var(--accent-color);
      border: 4px solid var(--card-bg);
      border-radius: 50%;
      z-index: 1;
    }

    .blog-list__card {
      background-color: var(--card-bg);
      border-radius: 12px;
      box-shadow: 0 4px 15px var(--shadow-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      width: calc(50% - 50px);
      margin: 0 25px;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__card {
      margin-right: 25px;
      margin-left: auto;
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__card {
      margin-left: 25px;
      margin-right: auto;
    }

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

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

    .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

    .blog-list__content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .blog-list__title {
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__title-link {
      color: var(--text-color-dark);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__title-link:hover {
      color: var(--accent-color);
    }

    .blog-list__excerpt {
      font-size: 15px;
      color: var(--text-color-medium);
      margin-bottom: 15px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      flex-grow: 1;
    }

    .blog-list__meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid var(--border-color);
    }

    .blog-list__date {
      font-size: 13px;
      color: var(--text-color-light);
    }

    .blog-list__read-more-link {
      display: inline-block;
      background-color: var(--accent-color);
      color: #ffffff;
      padding: 10px 15px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 14px;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more-link:hover {
      background-color: var(--accent-color-hover);
    }

    @media (max-width: 1024px) {
      .blog-list__timeline-container::before {
        left: 30px;
        transform: translateX(0);
      }

      .blog-list__timeline-item {
        justify-content: flex-start;
        flex-direction: row !important;
      }

      .blog-list__timeline-marker {
        left: 30px;
        transform: translateX(-50%);
      }

      .blog-list__card {
        width: calc(100% - 80px);
        margin-left: 60px;
        margin-right: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card,
      .blog-list__timeline-item:nth-child(even) .blog-list__card {
        margin-left: 60px;
        margin-right: 0;
      }
    }

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

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

      .blog-list__timeline-container::before {
        left: 20px;
      }

      .blog-list__timeline-marker {
        left: 20px;
      }

      .blog-list__card {
        width: calc(100% - 60px);
        margin-left: 40px;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card,
      .blog-list__timeline-item:nth-child(even) .blog-list__card {
        margin-left: 40px;
        margin-right: 0;
      }

      .blog-list__title {
        font-size: 18px;
      }

      .blog-list__excerpt {
        font-size: 14px;
      }

      .blog-list__date {
        font-size: 12px;
      }
    }