:root {
      --primary-color: #0056b3; 
      --secondary-color: #6c757d;
      --background-light: #f8f9fa;
      --background-dark: #343a40;
      --text-color-dark: #333;
      --text-color-light: #fff;
      --border-color: #e0e0e0;
      --card-shadow: rgba(0, 0, 0, 0.08);
      --card-shadow-hover: rgba(0, 0, 0, 0.15);
      --timeline-line-color: #dee2e6;
      --timeline-dot-color: var(--primary-color);
      --header-offset: 120px; 
    }

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

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

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

    .blog-list__timeline-container {
      position: relative;
      padding: 0 10px;
    }

    .blog-list__timeline-container::after {
      content: '';
      position: absolute;
      width: 2px;
      background-color: var(--timeline-line-color);
      top: 0;
      bottom: 0;
      left: 50%;
      margin-left: -1px;
      z-index: 0;
    }

    .blog-list__timeline-item {
      padding: 10px 0;
      position: relative;
      width: 50%;
      left: 0;
      clear: both;
      margin-bottom: 30px;
    }

    .blog-list__timeline-item::after {
      content: '';
      position: absolute;
      width: 16px;
      height: 16px;
      right: -8px;
      background-color: var(--timeline-dot-color);
      border: 3px solid var(--background-light);
      top: 20px;
      border-radius: 50%;
      z-index: 1;
    }

    .blog-list__timeline-item:nth-child(odd) {
      left: 0;
      padding-right: 40px;
    }

    .blog-list__timeline-item:nth-child(odd)::after {
      left: calc(100% - 8px);
    }

    .blog-list__timeline-item:nth-child(even) {
      left: 50%;
      padding-left: 40px;
    }

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

    .blog-list__timeline-content {
      position: relative;
      border-radius: 8px;
    }

    .blog-list__timeline-date-wrapper {
      position: absolute;
      top: 0px;
      font-size: 0.85em;
      color: var(--secondary-color);
      font-weight: 600;
      width: 100px;
      text-align: right;
      right: calc(100% + 15px);
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date-wrapper {
      left: calc(100% + 15px);
      text-align: left;
    }

    .blog-list__timeline-date {
      color: var(--secondary-color);
      font-size: 0.85em;
    }

    .blog-list__card {
      background-color: var(--text-color-light);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 12px var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--card-shadow-hover);
    }

    .blog-list__card-link {
      display: block;
      line-height: 0;
    }

    .blog-list__card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

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

    .blog-list__card-title {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .blog-list__card-title-link {
      color: var(--text-color-dark);
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

    .blog-list__card-summary {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      flex-grow: 1;
    }

    .blog-list__card-read-more {
      display: inline-block;
      margin-top: auto;
      color: var(--primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.2s ease;
    }

    .blog-list__card-read-more:hover {
      text-decoration: underline;
    }

    @media (max-width: 1024px) {
      .blog-list__timeline-item {
        width: 100%;
        left: 0;
        padding-left: 0;
        padding-right: 0;
      }

      .blog-list__timeline-container::after {
        left: 20px;
      }

      .blog-list__timeline-item::after {
        left: 12px;
        right: auto;
      }

      .blog-list__timeline-item:nth-child(odd) {
        padding-right: 0;
        padding-left: 40px;
      }
      .blog-list__timeline-item:nth-child(odd)::after {
        left: 12px;
      }

      .blog-list__timeline-item:nth-child(even) {
        left: 0;
        padding-left: 40px;
      }
      .blog-list__timeline-item:nth-child(even)::after {
        left: 12px;
      }

      .blog-list__timeline-date-wrapper {
        position: static;
        text-align: left;
        margin-bottom: 10px;
        width: auto;
        padding-left: 40px;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date-wrapper {
        left: auto;
        padding-left: 40px;
        text-align: left;
      }

      .blog-list__card-image {
        height: 180px;
      }
    }

    @media (max-width: 768px) {
      .blog-list__page-title {
        font-size: 2em;
      }
      .blog-list__card-image {
        height: 160px;
      }
      .blog-list__card-body {
        padding: 15px;
      }
      .blog-list__card-title {
        font-size: 1.1em;
      }
      .blog-list__card-summary {
        font-size: 0.9em;
      }
    }

    @media (max-width: 480px) {
      .blog-list__page-title {
        font-size: 1.8em;
      }
      .blog-list__card-image {
        height: 140px;
      }
      .blog-list__timeline-container::after {
        left: 15px;
      }
      .blog-list__timeline-item::after {
        left: 7px;
        width: 14px;
        height: 14px;
      }
      .blog-list__timeline-item:nth-child(odd),
      .blog-list__timeline-item:nth-child(even) {
        padding-left: 30px;
      }
      .blog-list__timeline-date-wrapper {
        padding-left: 30px;
      }
    }