:root {
      --blog-list-primary-bg: #1A237E; 
      --blog-list-secondary-bg: #283593; 
      --blog-list-text-color-light: #FFFFFF;
      --blog-list-text-color-medium: #BBBBBB;
      --blog-list-text-color-dark: #DDDDDD;
      --blog-list-accent-color: #FFC107; 
      --blog-list-border-radius: 10px;
      --blog-list-card-padding: 20px;
      --blog-list-timeline-width: 4px;
      --blog-list-dot-size: 16px;
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      background-color: var(--blog-list-primary-bg);
      color: var(--blog-list-text-color-light);
      min-height: 100vh;
      padding-bottom: 40px;
      font-family: Arial, sans-serif;
    }

    .blog-list__timeline-section {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .blog-list__main-title {
      font-size: 2.5em; 
      text-align: center;
      margin-bottom: 15px;
      color: var(--blog-list-accent-color);
      font-weight: bold;
      line-height: 1.2;
    }

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

    .blog-list__timeline-container {
      position: relative;
      padding: 20px 0;
      max-width: 900px; 
      margin: 0 auto;
    }

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: var(--blog-list-timeline-width);
      background-color: var(--blog-list-secondary-bg);
      transform: translateX(-50%);
    }

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

    .blog-list__timeline-dot {
      position: absolute;
      top: 0;
      left: 50%;
      width: var(--blog-list-dot-size);
      height: var(--blog-list-dot-size);
      background-color: var(--blog-list-accent-color);
      border-radius: 50%;
      transform: translateX(-50%);
      z-index: 1;
      border: 3px solid var(--blog-list-primary-bg);
    }

    .blog-list__timeline-content {
      width: 100%; 
      max-width: 450px; 
      background-color: var(--blog-list-secondary-bg);
      border-radius: var(--blog-list-border-radius);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      margin-left: 20px; 
      margin-right: 20px; 
      position: relative; 
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    }

    .blog-list__item-link {
      display: block;
      text-decoration: none;
      color: inherit;
      padding: var(--blog-list-card-padding);
    }

    .blog-list__item-image-wrapper {
      position: relative;
      width: 100%;
      padding-bottom: 56.25%; 
      overflow: hidden;
      border-radius: calc(var(--blog-list-border-radius) - 5px) calc(var(--blog-list-border-radius) - 5px) 0 0;
      margin-bottom: 15px;
    }

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

    .blog-list__item-text-content {
      padding-top: 5px;
    }

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

    .blog-list__item-summary {
      font-size: 0.95em; 
      color: var(--blog-list-text-color-dark);
      margin-bottom: 15px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 3; 
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      min-height: 3em; 
    }

    .blog-list__item-meta {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      font-size: 0.8em; 
      color: var(--blog-list-text-color-medium);
    }

    .blog-list__item-date {
      opacity: 0.8;
    }

    
    @media (min-width: 768px) {
      .blog-list__main-title {
        font-size: 3em; 
      }

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

      .blog-list__timeline-item {
        margin-bottom: 60px;
      }

      .blog-list__timeline-content {
        width: calc(50% - 40px); 
        max-width: none; 
        margin: 0; 
        padding: var(--blog-list-card-padding);
      }

      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: calc(50% + 20px); 
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: calc(50% + 20px); 
      }

      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content::after {
        content: '';
        position: absolute;
        top: 20px; 
        right: -10px; 
        width: 0;
        height: 0;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        border-left: 10px solid var(--blog-list-secondary-bg);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content::after {
        content: '';
        position: absolute;
        top: 20px; 
        left: -10px; 
        width: 0;
        height: 0;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        border-right: 10px solid var(--blog-list-secondary-bg);
      }

      .blog-list__timeline-dot {
        top: 20px; 
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline-section {
        padding: 40px 20px;
      }

      .blog-list__main-title {
        font-size: 3.5em; 
      }
    }