:root {
      --primary-color: #007bff;
      --secondary-color: #6c757d;
      --text-color-dark: #212529;
      --text-color-light: #f8f9fa;
      --background-color-light: #ffffff;
      --background-color-grey: #f8f9fa;
      --border-color: #e9ecef;
      --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 {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--text-color-dark);
      background-color: var(--background-color-light);
      padding: 20px;
      padding-top: var(--header-offset);
      max-width: 1200px;
      margin: 0 auto;
      box-sizing: border-box;
    }

    .blog-list__heading {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2.5em;
      color: var(--text-color-dark);
    }

    .blog-list__description {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
      font-size: 1.1em;
      color: var(--secondary-color);
    }

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

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

    .blog-list__item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 50px;
      position: relative;
      z-index: 1;
    }

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

    .blog-list__item-date-wrapper {
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      text-align: center;
      z-index: 2;
    }

    .blog-list__item-date {
      background-color: var(--primary-color);
      color: var(--text-color-light);
      padding: 8px 15px;
      border-radius: 20px;
      font-size: 0.9em;
      font-weight: bold;
      display: inline-block;
      white-space: nowrap;
    }

    .blog-list__item-content {
      flex: 0 0 calc(50% - 70px);
      background-color: var(--background-color-light);
      border-radius: 10px;
      box-shadow: var(--shadow-light);
      padding: 25px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
    }

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

    .blog-list__item:nth-child(odd) .blog-list__item-content {
      margin-right: 70px;
    }

    .blog-list__item:nth-child(even) .blog-list__item-content {
      margin-left: 70px;
    }

    .blog-list__item-content::after {
      content: '';
      position: absolute;
      width: 0;
      height: 0;
      border-style: solid;
      top: 25px;
      z-index: 1;
    }

    .blog-list__item:nth-child(odd) .blog-list__item-content::after {
      border-width: 10px 0 10px 10px;
      border-color: transparent transparent transparent var(--background-color-light);
      right: -10px;
    }

    .blog-list__item:nth-child(even) .blog-list__item-content::after {
      border-width: 10px 10px 10px 0;
      border-color: transparent var(--background-color-light) transparent transparent;
      left: -10px;
    }

    .blog-list__image-wrapper {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 15px;
      background-color: var(--background-color-grey);
    }

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

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

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

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

    .blog-list__summary {
      font-size: 15px;
      color: var(--secondary-color);
      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;
      background-color: var(--primary-color);
      color: var(--text-color-light);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 14px;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: #0056b3;
    }

    @media (max-width: 1024px) {
      .blog-list__timeline-container::before {
        left: 20px;
        transform: translateX(0);
      }

      .blog-list__item {
        flex-direction: column;
        margin-bottom: 40px;
      }

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

      .blog-list__item-date-wrapper {
        position: static;
        transform: translateX(0);
        text-align: left;
        margin-left: 20px;
        margin-bottom: 10px;
        width: auto;
      }

      .blog-list__item-content {
        flex: 1;
        margin-left: 50px !important;
        margin-right: 0 !important;
      }

      .blog-list__item-content::after {
        border-width: 10px 10px 10px 0;
        border-color: transparent var(--background-color-light) transparent transparent;
        left: -10px;
        right: auto;
      }
    }

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

      .blog-list__heading {
        font-size: 2em;
        margin-bottom: 30px;
      }

      .blog-list__description {
        font-size: 1em;
        margin-bottom: 40px;
      }

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

      .blog-list__item-date-wrapper {
        margin-left: 15px;
      }

      .blog-list__item-content {
        margin-left: 40px !important;
        padding: 20px;
      }

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

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

      .blog-list__read-more {
        padding: 8px 15px;
        font-size: 13px;
      }
    }

    @media (max-width: 480px) {
      .blog-list__heading {
        font-size: 1.8em;
      }

      .blog-list__item-content {
        margin-left: 30px !important;
        padding: 15px;
      }

      .blog-list__item-date {
        padding: 6px 12px;
        font-size: 0.85em;
      }
    }