:root {
      --primary-color: #007bff;
      --secondary-color: #6c757d;
      --text-dark: #333;
      --text-medium: #666;
      --text-light: #777;
      --background-light: #f8f8f8;
      --border-color: #e0e0e0;
      --card-shadow: rgba(0, 0, 0, 0.08);
      --card-shadow-hover: rgba(0, 0, 0, 0.15);
      --header-offset: 120px;
    }

    .blog-list {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--header-offset, 120px) 20px 40px;
      position: relative;
    }

    .blog-list__heading {
      text-align: center;
      color: var(--text-dark);
      margin-bottom: 15px;
      font-size: 2.2em;
      font-weight: bold;
    }

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

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

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

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

    .blog-list__item:nth-child(even) .blog-list__content-wrapper {
      flex-direction: row-reverse;
    }

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

    .blog-list__content-wrapper {
      display: flex;
      align-items: center;
      width: 100%;
      max-width: 900px;
    }

    .blog-list__date-container {
      width: 200px;
      text-align: center;
      position: relative;
      z-index: 1;
    }

    .blog-list__date {
      display: inline-block;
      background: var(--primary-color);
      color: #fff;
      padding: 8px 15px;
      border-radius: 20px;
      font-size: 0.9em;
      font-weight: bold;
      white-space: nowrap;
    }

    .blog-list__card {
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 4px 12px var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      flex-grow: 1;
      margin: 0 20px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

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

    .blog-list__image-link {
      display: block;
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }

    .blog-list__image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .blog-list__text-content {
      padding: 20px;
    }

    .blog-list__title {
      font-size: 1.25em; 
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__title-link {
      color: var(--primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__title-link:hover {
      color: #0056b3;
    }

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

    .blog-list__read-more {
      display: inline-block;
      background: var(--primary-color);
      color: #fff;
      padding: 10px 18px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

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

    
    @media (max-width: 1024px) {
      .blog-list__timeline::before {
        left: 20px;
        transform: translateX(0);
      }

      .blog-list__item {
        justify-content: flex-start;
      }

      .blog-list__content-wrapper,
      .blog-list__item:nth-child(even) .blog-list__content-wrapper {
        flex-direction: row;
        margin-left: 0;
      }

      .blog-list__date-container {
        width: auto;
        position: absolute;
        left: 20px;
        top: 0;
        transform: translateX(-50%);
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100%;
      }

      .blog-list__date {
        position: sticky;
        top: calc(var(--header-offset, 120px) + 20px);
        left: 0;
      }

      .blog-list__card {
        margin-left: 60px;
        margin-right: 0;
        flex-grow: 1;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding-left: 15px;
        padding-right: 15px;
      }
      
      .blog-list__heading {
        font-size: 1.8em;
      }

      .blog-list__description {
        font-size: 1em;
      }

      .blog-list__timeline::before {
        left: 20px;
      }

      .blog-list__item {
        margin-bottom: 30px;
      }

      .blog-list__date-container {
        width: auto;
        left: 20px;
        top: 0;
        transform: translateX(-50%);
        position: absolute;
        height: 100%;
        display: flex;
        align-items: flex-start;
        padding-top: 10px;
      }

      .blog-list__date {
        position: static;
      }

      .blog-list__card {
        margin-left: 60px;
        margin-right: 0;
      }

      .blog-list__title {
        font-size: 1.15em; 
      }

      .blog-list__summary {
        font-size: 0.9em; 
        -webkit-line-clamp: 4; 
      }

      .blog-list__read-more {
        padding: 8px 15px;
        font-size: 0.85em;
      }
    }

    @media (max-width: 480px) {
      .blog-list__heading {
        font-size: 1.5em;
      }

      .blog-list__description {
        font-size: 0.9em;
      }

      .blog-list__timeline::before {
        left: 15px;
      }

      .blog-list__date-container {
        left: 15px;
      }

      .blog-list__card {
        margin-left: 45px;
      }

      .blog-list__date {
        padding: 6px 10px;
        font-size: 0.8em;
      }

      .blog-list__text-content {
        padding: 15px;
      }

      .blog-list__title {
        font-size: 1em;
      }
    }