:root {
      --blog-list-primary-color: #007bff; 
      --blog-list-text-color: #333;
      --blog-list-secondary-text-color: #666;
      --blog-list-date-color: #999;
      --blog-list-background-color: #f8f9fa;
      --blog-list-card-background: #ffffff;
      --blog-list-border-color: #e0e0e0;
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--blog-list-background-color);
      min-height: 100vh;
    }

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

    .blog-list__heading {
      text-align: center;
      color: var(--blog-list-text-color);
      margin-bottom: 40px;
      font-size: 2.5em;
      font-weight: bold;
      padding-top: 20px;
    }

    .blog-list__description {
      text-align: center;
      color: var(--blog-list-secondary-text-color);
      margin-bottom: 50px;
      font-size: 1.1em;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
    }

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

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

    .blog-list__item {
      display: flex;
      margin-bottom: 50px;
      position: relative;
      width: 100%;
      box-sizing: border-box;
      flex-direction: column;
      align-items: center;
    }

    .blog-list__item:last-child {
      margin-bottom: 0;
    }

    .blog-list__item::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      width: 16px;
      height: 16px;
      background-color: var(--blog-list-primary-color);
      border: 3px solid var(--blog-list-card-background);
      border-radius: 50%;
      transform: translateX(-50%);
      z-index: 2;
    }

    .blog-list__item-content-wrapper {
      background-color: var(--blog-list-card-background);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      transition: all 0.3s ease;
      width: 100%;
      max-width: 700px; 
      padding: 20px;
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
      overflow: hidden; 
      margin-top: 20px; 
    }

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

    .blog-list__item-image {
      width: 100%;
      padding-top: 56.25%; 
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      border-radius: 8px; 
      margin-bottom: 15px;
      overflow: hidden; 
    }

    .blog-list__item-date {
      font-size: 0.85em;
      color: var(--blog-list-date-color);
      text-align: center;
      margin-bottom: 10px;
      order: -1; 
      position: relative;
      top: -10px; 
    }

    .blog-list__item-title {
      font-size: 1.25em; 
      font-weight: bold;
      color: var(--blog-list-text-color);
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

    .blog-list__item-title-link:hover {
      color: var(--blog-list-primary-color);
    }

    .blog-list__item-summary {
      font-size: 0.95em; 
      color: var(--blog-list-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;
      padding: 8px 15px;
      background-color: var(--blog-list-primary-color);
      color: var(--blog-list-card-background);
      text-decoration: none;
      border-radius: 5px;
      transition: background-color 0.3s ease;
      font-size: 0.9em;
      align-self: flex-start; 
    }

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

    
    @media (min-width: 768px) {
      .blog-list__item-content-wrapper {
        padding: 25px;
        margin-top: 0; 
      }

      .blog-list__item-date {
        position: absolute;
        width: 100px; 
        text-align: right;
        left: calc(50% - 140px); 
        top: 0;
        transform: translateY(-50%);
        font-size: 0.9em;
      }

      .blog-list__item:nth-child(even) .blog-list__item-date {
        text-align: left;
        left: auto;
        right: calc(50% - 140px); 
      }

      .blog-list__item-content-wrapper {
        width: calc(50% - 70px); 
      }

      .blog-list__item:nth-child(odd) .blog-list__item-content-wrapper {
        margin-right: calc(50% + 70px); 
      }

      .blog-list__item:nth-child(even) .blog-list__item-content-wrapper {
        margin-left: calc(50% + 70px); 
      }

      .blog-list__item-image {
        border-radius: 8px;
      }
    }

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

      .blog-list__description {
        font-size: 1.2em;
      }

      .blog-list__timeline::before {
        left: 50%; 
      }

      .blog-list__item {
        flex-direction: row; 
        justify-content: center;
      }

      .blog-list__item::before {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__item-date {
        top: 20px; 
        width: 150px; 
        font-size: 1em;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-date {
        left: calc(50% - 200px); 
        text-align: right;
      }

      .blog-list__item:nth-child(even) .blog-list__item-date {
        right: calc(50% - 200px); 
        left: auto; 
        text-align: left;
      }

      .blog-list__item-content-wrapper {
        width: calc(50% - 100px); 
        max-width: 500px; 
        position: relative;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-content-wrapper {
        margin-left: auto;
        margin-right: calc(50% + 100px); 
      }

      .blog-list__item:nth-child(even) .blog-list__item-content-wrapper {
        margin-right: auto;
        margin-left: calc(50% + 100px); 
      }

      .blog-list__item:nth-child(odd) .blog-list__item-content-wrapper::after {
        content: '';
        position: absolute;
        top: 25px;
        right: -18px; 
        width: 0;
        height: 0;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        border-left: 10px solid var(--blog-list-card-background);
      }

      .blog-list__item:nth-child(even) .blog-list__item-content-wrapper::after {
        content: '';
        position: absolute;
        top: 25px;
        left: -18px; 
        width: 0;
        height: 0;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        border-right: 10px solid var(--blog-list-card-background);
      }
    }