:root {
      --blog-list__primary-color: #2C3E50; 
      --blog-list__accent-color: #F39C12; 
      --blog-list__text-color: #333333; 
      --blog-list__secondary-text-color: #555555; 
      --blog-list__tertiary-text-color: #4A4A4A; 
      --blog-list__background-color: #F9F9F9; 
      --blog-list__card-background: #FFFFFF; 
      --blog-list__border-color: #E0E0E0; 
      --blog-list__link-color: #2C3E50; 
      --blog-list__link-hover-color: #F39C12; 
      --blog-list__box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      --blog-list__box-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
      --blog-list__border-radius: 10px;
    }

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

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

    .blog-list__main-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      font-weight: bold;
      color: var(--blog-list__card-background); 
    }

    .blog-list__description {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto;
      color: #E0E0E0; 
    }

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

    .blog-list__timeline-container::after {
      content: '';
      position: absolute;
      width: 4px;
      background-color: var(--blog-list__border-color);
      top: 0;
      bottom: 0;
      left: 50%;
      margin-left: -2px;
      z-index: 0;
    }

    .blog-list__timeline-item {
      width: calc(50% - 20px); 
      position: relative;
      background-color: var(--blog-list__card-background);
      border-radius: var(--blog-list__border-radius);
      box-shadow: var(--blog-list__box-shadow);
      margin-bottom: 40px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding: 20px;
      box-sizing: border-box;
      z-index: 1; 
    }

    .blog-list__timeline-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--blog-list__box-shadow-hover);
    }

    .blog-list__timeline-item:nth-child(odd) {
      float: left;
      clear: left;
      margin-right: 20px; 
    }

    .blog-list__timeline-item:nth-child(even) {
      float: right;
      clear: right;
      margin-left: 20px; 
    }

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

    .blog-list__timeline-item:nth-child(odd)::after {
      right: -31px; 
    }

    .blog-list__timeline-item:nth-child(even)::after {
      left: -31px; 
    }

    .blog-list__timeline-date-wrapper {
      position: absolute;
      top: 20px;
      font-size: 0.85em;
      color: var(--blog-list__tertiary-text-color);
      text-align: center;
      width: 100px; 
      z-index: 1;
      line-height: 1.2;
    }
    
    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date-wrapper {
      right: calc(100% + 50px); 
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date-wrapper {
      left: calc(100% + 50px); 
    }

    .blog-list__timeline-date {
      display: block;
      font-weight: bold;
      color: var(--blog-list__tertiary-text-color); 
    }

    .blog-list__timeline-content {
      flex-grow: 1;
      padding-left: 0; 
    }

    .blog-list__timeline-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
      border-radius: var(--blog-list__border-radius);
      margin-bottom: 15px;
      background-color: #eee; 
    }

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

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

    .blog-list__timeline-title a {
      color: var(--blog-list__link-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__timeline-title a:hover {
      color: var(--blog-list__link-hover-color);
    }

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

    .blog-list__timeline-read-more {
      display: inline-block;
      padding: 8px 15px;
      background-color: var(--blog-list__link-color);
      color: var(--blog-list__card-background);
      text-decoration: none;
      border-radius: 5px;
      font-size: 0.9em;
      transition: background-color 0.3s ease, color 0.3s ease;
    }

    .blog-list__timeline-read-more:hover {
      background-color: var(--blog-list__link-hover-color);
      color: var(--blog-list__primary-color); 
    }

    
    @media (max-width: 1024px) {
      .blog-list__main-title {
        font-size: 2em;
      }
      .blog-list__timeline-container::after {
        left: 20px; 
        margin-left: 0;
      }

      .blog-list__timeline-item {
        width: 100%;
        float: none;
        margin-left: 0;
        margin-right: 0;
        padding-left: 40px; 
      }
      
      .blog-list__timeline-item:nth-child(odd),
      .blog-list__timeline-item:nth-child(even) {
        clear: both;
        float: none;
        margin-left: 0;
        margin-right: 0;
      }

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

      .blog-list__timeline-item:nth-child(odd)::after,
      .blog-list__timeline-item:nth-child(even)::after {
        left: 12px;
      }

      .blog-list__timeline-date-wrapper {
        position: relative; 
        width: auto;
        text-align: left;
        margin-bottom: 10px;
        left: 0 !important; 
        right: auto !important;
        top: auto;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date-wrapper,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date-wrapper {
        left: 0;
      }
    }

    @media (max-width: 768px) {
      .blog-list__hero {
        padding: 30px 15px;
      }
      .blog-list__main-title {
        font-size: 1.8em;
      }
      .blog-list__description {
        font-size: 1em;
      }
      .blog-list__timeline-item {
        padding: 15px;
      }
      .blog-list__timeline-item::after {
        top: 15px;
      }
      .blog-list__timeline-title {
        font-size: 1.1em;
      }
      .blog-list__timeline-summary {
        font-size: 0.9em;
      }
      .blog-list__timeline-read-more {
        padding: 6px 12px;
        font-size: 0.85em;
      }
    }

    @media (max-width: 480px) {
      .blog-list__hero {
        padding: 20px 10px;
        margin-bottom: 20px;
      }
      .blog-list__main-title {
        font-size: 1.5em;
      }
      .blog-list__description {
        font-size: 0.9em;
      }
      .blog-list__timeline-container {
        padding: 0 10px;
      }
      .blog-list__timeline-container::after {
        left: 10px;
      }
      .blog-list__timeline-item {
        padding-left: 30px;
        margin-bottom: 30px;
      }
      .blog-list__timeline-item::after {
        left: 5px;
        width: 12px;
        height: 12px;
        border-width: 2px;
      }
    }