:root {
      --primary-color: #007bff; 
      --secondary-color: #6c757d; 
      --accent-color: #28a745; 
      --text-color: #333333;
      --text-color-light: #666666;
      --background-color: #f8f9fa;
      --card-background: #ffffff;
      --border-color: #dee2e6;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      background-color: var(--background-color);
      padding-bottom: 40px;
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--text-color);
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px;
      background-color: var(--primary-color);
      color: #ffffff;
      margin-bottom: 40px;
    }

    .blog-list__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      font-weight: bold;
      color: #ffffff;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto;
      color: #ffffff;
    }

    .blog-list__timeline-container {
      position: relative;
      max-width: 1000px;
      margin: 0 auto;
      padding: 20px;
    }

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      width: 4px;
      background-color: var(--border-color);
      top: 0;
      bottom: 0;
      left: 50%;
      margin-left: -2px;
      display: none; 
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 30px;
      padding: 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .blog-list__timeline-item::after {
      content: '';
      position: absolute;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background-color: var(--primary-color);
      border: 3px solid var(--card-background);
      z-index: 1;
      left: 50%;
      margin-left: -8px;
      top: 20px;
      display: none; 
    }

    .blog-list__timeline-date {
      background-color: var(--primary-color);
      color: #ffffff;
      padding: 8px 15px;
      border-radius: 5px;
      font-size: 0.9em;
      font-weight: bold;
      margin-bottom: 15px;
      min-width: 150px;
      text-align: center;
    }

    .blog-list__timeline-content {
      background-color: var(--card-background);
      border-radius: 10px;
      box-shadow: 0 4px 12px var(--shadow-light);
      transition: all 0.3s ease;
      overflow: hidden;
      width: 100%;
      max-width: 500px;
    }

    .blog-list__timeline-content:hover {
      box-shadow: 0 8px 20px var(--shadow-hover);
      transform: translateY(-3px);
    }

    .blog-list__timeline-link {
      text-decoration: none;
      color: var(--text-color);
      display: block;
    }

    .blog-list__timeline-image-wrapper {
      width: 100%;
      padding-top: 56.25%; 
      position: relative;
      overflow: hidden;
    }

    .blog-list__timeline-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
    }

    .blog-list__timeline-title {
      font-size: 1.25em;
      font-weight: bold;
      margin: 15px 15px 10px 15px;
      color: var(--primary-color);
      line-height: 1.3;
    }

    .blog-list__timeline-summary {
      font-size: 0.95em;
      color: var(--text-color-light);
      margin: 0 15px 15px 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__timeline-read-more {
      display: inline-block;
      background-color: var(--accent-color);
      color: #ffffff;
      padding: 8px 15px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      font-weight: bold;
      margin: 0 15px 15px 15px;
      transition: background-color 0.3s ease;
    }

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

    @media (min-width: 768px) {
      .blog-list__timeline-container::before,
      .blog-list__timeline-item::after {
        display: block;
      }

      .blog-list__timeline-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        padding: 0;
      }

      .blog-list__timeline-date {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: 0;
        margin-bottom: 0;
      }

      .blog-list__timeline-content {
        width: calc(50% - 40px); 
        max-width: none;
      }

      .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-date {
        left: auto;
        right: calc(50% + 20px);
        transform: translateX(0);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
        left: calc(50% + 20px);
        transform: translateX(0);
      }

      .blog-list__timeline-item:nth-child(odd)::after {
        left: calc(50% - 8px);
      }

      .blog-list__timeline-item:nth-child(even)::after {
        left: calc(50% - 8px);
      }
    }

    @media (min-width: 1024px) {
      .blog-list__hero {
        padding: 60px 20px;
      }
      .blog-list__hero-title {
        font-size: 3em;
      }
      .blog-list__hero-description {
        font-size: 1.2em;
      }
      .blog-list__timeline-container {
        padding: 40px 20px;
      }
      .blog-list__timeline-item {
        margin-bottom: 60px;
      }
      .blog-list__timeline-date {
        font-size: 1em;
        padding: 10px 20px;
      }
      .blog-list__timeline-title {
        font-size: 1.4em;
      }
      .blog-list__timeline-summary {
        font-size: 1em;
      }
      .blog-list__timeline-read-more {
        padding: 10px 20px;
        font-size: 1em;
      }
    }