:root {
      --primary-color: #0056b3; 
      --secondary-color: #f8f9fa; 
      --text-color-dark: #212529; 
      --text-color-medium: #495057; 
      --text-color-light: #6c757d; 
      --border-color: #dee2e6; 
      --header-offset: 120px; 
    }

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

    .blog-list__header {
      text-align: center;
      margin-bottom: 40px;
      padding: 20px 0;
    }

    .blog-list__title {
      font-size: 2.5em;
      color: var(--primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

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

    .blog-list__timeline {
      position: relative;
      margin-top: 50px;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background: var(--border-color);
      transform: translateX(-50%);
      display: none;
    }

    .blog-list__item {
      display: flex;
      flex-direction: column;
      background-color: #ffffff;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      margin-bottom: 30px;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
      padding: 0;
    }

    .blog-list__item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-top: 56.25%;
      background-size: cover;
      background-position: center;
      background-color: var(--secondary-color);
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

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

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

    .blog-list__item-title {
      font-size: 1.3em;
      color: var(--primary-color);
      margin-bottom: 10px;
      line-height: 1.4;
      font-weight: bold;
    }

    .blog-list__item-title a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__item-title a:hover {
      color: #007bff;
    }

    .blog-list__item-summary {
      font-size: 0.95em;
      color: var(--text-color-medium);
      line-height: 1.6;
      margin-bottom: 15px;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
    }

    .blog-list__item-link {
      display: inline-block;
      margin-top: auto;
      padding: 10px 20px;
      background-color: var(--primary-color);
      color: #ffffff;
      text-decoration: none;
      border-radius: 8px;
      align-self: flex-start;
      transition: background-color 0.3s ease;
      font-weight: bold;
      font-size: 0.9em;
    }

    .blog-list__item-link:hover {
      background-color: #004085;
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .blog-list {
        padding: 30px;
      }
      .blog-list__title {
        font-size: 2em;
      }
      .blog-list__description {
        font-size: 1em;
      }
      .blog-list__timeline {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
      }
      .blog-list__timeline::before {
        display: none;
      }
      .blog-list__item {
        margin-bottom: 0;
      }
      .blog-list__item-date {
        text-align: left;
      }
    }

    @media (min-width: 1024px) {
      .blog-list {
        padding: 40px;
      }
      .blog-list__timeline::before {
        display: block;
      }
      .blog-list__item {
        width: 45%;
        margin-bottom: 60px;
      }

      .blog-list__item:nth-child(odd) {
        margin-right: 55%;
      }

      .blog-list__item:nth-child(even) {
        margin-left: 55%;
      }

      .blog-list__item-date {
        position: absolute;
        width: 150px;
        text-align: right;
        top: 20px;
        font-size: 0.9em;
        color: var(--primary-color);
        font-weight: bold;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-date {
        right: -170px;
      }

      .blog-list__item:nth-child(even) .blog-list__item-date {
        left: -170px;
        text-align: left;
      }

      .blog-list__item::after {
        content: '';
        position: absolute;
        top: 30px;
        width: 16px;
        height: 16px;
        background: var(--primary-color);
        border: 3px solid #ffffff;
        border-radius: 50%;
        z-index: 1;
        box-shadow: 0 0 0 2px var(--primary-color);
      }

      .blog-list__item:nth-child(odd)::after {
        right: -63px;
      }

      .blog-list__item:nth-child(even)::after {
        left: -63px;
      }
    }