:root {
      --primary-color: #007bff;
      --secondary-color: #6c757d;
      --accent-color: #28a745;
      --text-color-dark: #343a40;
      --text-color-medium: #555555; 
      --text-color-light: #f8f9fa;
      --background-color-light: #ffffff;
      --background-color-grey: #f4f7f6;
      --border-color: #dee2e6;
      --shadow-light: 0 4px 8px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.1);
      --header-offset: 120px;
    }

    .blog-list {
      padding-top: var(--header-offset);
      padding-bottom: 40px;
      background-color: var(--background-color-grey);
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--text-color-dark);
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .blog-list__heading {
      font-size: 2.2em;
      color: var(--text-color-dark);
      text-align: center;
      margin-bottom: 15px;
      padding-top: 30px;
      font-weight: 700;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-color-medium);
      text-align: center;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background: var(--border-color);
      transform: translateX(-50%);
      z-index: 1;
    }

    .blog-list__item {
      display: flex;
      justify-content: center;
      align-items: flex-start;
      margin-bottom: 40px;
      position: relative;
      z-index: 2;
    }

    .blog-list__item:nth-child(odd) .blog-list__card-content {
      margin-right: calc(50% + 20px);
      text-align: right;
    }

    .blog-list__item:nth-child(even) .blog-list__card-content {
      margin-left: calc(50% + 20px);
      text-align: left;
    }

    .blog-list__card-content {
      background-color: var(--background-color-light);
      border-radius: 10px;
      box-shadow: var(--shadow-light);
      padding: 20px;
      width: 45%;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      gap: 15px;
      border: 1px solid var(--border-color);
    }

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

    .blog-list__item-dot {
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border: 4px solid var(--background-color-grey);
      border-radius: 50%;
      position: absolute;
      top: 10px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 3;
    }

    .blog-list__item-date {
      position: absolute;
      top: 12px;
      font-size: 0.9em;
      color: var(--text-color-medium);
      font-weight: 500;
      white-space: nowrap;
      z-index: 2;
    }

    .blog-list__item:nth-child(odd) .blog-list__item-date {
      right: calc(50% + 40px);
    }

    .blog-list__item:nth-child(even) .blog-list__item-date {
      left: calc(50% + 40px);
    }

    .blog-list__image-container {
      width: 100%;
      padding-top: 56.25%;
      background-size: cover;
      background-position: center;
      background-color: #e9ecef;
      border-radius: 8px;
      overflow: hidden;
    }

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

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

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

    .blog-list__summary {
      font-size: 0.95em;
      color: var(--text-color-medium);
      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-block;
      padding: 8px 15px;
      background-color: var(--accent-color);
      color: var(--text-color-light);
      text-decoration: none;
      border-radius: 5px;
      font-size: 0.9em;
      font-weight: 600;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: #218838;
    }

    @media (max-width: 1024px) {
      .blog-list__heading {
        font-size: 2em;
      }
      .blog-list__description {
        font-size: 1em;
      }
      .blog-list__timeline::before {
        left: 30px;
        transform: none;
      }
      .blog-list__item {
        justify-content: flex-start;
        padding-left: 60px;
      }
      .blog-list__item:nth-child(odd) .blog-list__card-content,
      .blog-list__item:nth-child(even) .blog-list__card-content {
        margin-right: 0;
        margin-left: 0;
        text-align: left;
        width: 100%;
      }
      .blog-list__item-dot {
        left: 30px;
        transform: translateX(-50%);
      }
      .blog-list__item-date {
        left: 60px;
        top: -20px;
        right: auto;
      }
      .blog-list__item:nth-child(odd) .blog-list__item-date,
      .blog-list__item:nth-child(even) .blog-list__item-date {
        left: 60px;
        right: auto;
      }
      .blog-list__card-content {
        padding: 15px;
        gap: 10px;
      }
      .blog-list__title {
        font-size: 1.15em;
      }
      .blog-list__summary {
        font-size: 0.9em;
      }
      .blog-list__read-more {
        padding: 7px 12px;
        font-size: 0.85em;
      }
    }

    @media (max-width: 768px) {
      .blog-list__container {
        padding: 0 10px;
      }
      .blog-list__heading {
        font-size: 1.8em;
        padding-top: 20px;
      }
      .blog-list__description {
        font-size: 0.95em;
        margin-bottom: 30px;
      }
      .blog-list__timeline::before {
        left: 20px;
      }
      .blog-list__item {
        padding-left: 50px;
      }
      .blog-list__item-dot {
        left: 20px;
        width: 16px;
        height: 16px;
        border-width: 3px;
      }
      .blog-list__item-date {
        left: 50px;
        font-size: 0.8em;
      }
      .blog-list__card-content {
        border-radius: 8px;
      }
      .blog-list__image-container {
        border-radius: 6px;
      }
    }