:root {
      --primary-color: #007bff; 
      --secondary-color: #6c757d; 
      --background-light: #f8f9fa; 
      --text-dark: #212529; 
      --text-medium: #555; 
      --text-light: #888; 
      --border-color: #dee2e6; 
      --card-bg: #ffffff; 
      --header-offset: 120px; 
    }

    .blog-list {
      font-family: Arial, sans-serif;
      color: var(--text-dark);
      background-color: var(--background-light);
      padding: 40px 0;
      padding-top: var(--header-offset, 120px); 
      min-height: calc(100vh - var(--header-offset, 120px)); 
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: 50px;
    }

    .blog-list__title {
      font-size: 2.5em;
      color: var(--text-dark);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-medium);
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .blog-list__timeline {
      position: relative;
      padding: 20px 0;
      list-style: none;
      margin: 0;
    }

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

    .blog-list__timeline-item {
      display: flex;
      margin-bottom: 60px;
      position: relative;
      width: 50%;
      padding: 10px 0;
    }

    .blog-list__timeline-item:nth-child(odd) {
      left: 0;
      padding-right: 60px;
      justify-content: flex-end;
    }

    .blog-list__timeline-item:nth-child(even) {
      left: 50%;
      padding-left: 60px;
    }

    .blog-list__timeline-item::after {
      content: '';
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border: 4px solid var(--card-bg);
      border-radius: 50%;
      z-index: 1;
    }

    .blog-list__timeline-item:nth-child(odd)::after {
      right: -10px;
    }

    .blog-list__timeline-item:nth-child(even)::after {
      left: -10px;
    }

    .blog-list__card {
      background-color: var(--card-bg);
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      width: 100%;
    }

    .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    .blog-list__card-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
      display: block;
    }

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

    .blog-list__card-date {
      font-size: 0.85em;
      color: var(--text-light);
      margin-bottom: 10px;
      display: block;
    }

    .blog-list__card-title {
      font-size: 1.4em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .blog-list__card-title-link {
      color: var(--text-dark);
      text-decoration: none;
      transition: color 0.3s ease;
    }

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

    .blog-list__card-summary {
      font-size: 0.95em;
      color: var(--text-medium);
      line-height: 1.6;
      margin-bottom: 15px;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      flex-grow: 1;
    }

    .blog-list__card-link {
      display: inline-block;
      margin-top: auto;
      color: var(--primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .blog-list__card-link:hover {
      text-decoration: underline;
      color: #0056b3;
    }

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

      .blog-list__timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px !important;
        padding-right: 15px;
        justify-content: flex-start !important;
      }

      .blog-list__timeline-item:nth-child(odd)::after,
      .blog-list__timeline-item:nth-child(even)::after {
        left: 10px;
        right: auto;
      }

      .blog-list__title {
        font-size: 2em;
      }

      .blog-list__description {
        font-size: 1em;
      }
      .blog-list__card-image {
        height: 180px;
      }
      .blog-list__card-title {
        font-size: 1.2em;
      }
      .blog-list__card-summary {
        font-size: 0.9em;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding-top: var(--header-offset, 120px);
      }
      .blog-list__container {
        padding: 0 10px;
      }
      .blog-list__header {
        margin-bottom: 30px;
      }
      .blog-list__title {
        font-size: 1.8em;
      }
      .blog-list__description {
        font-size: 0.9em;
      }
      .blog-list__timeline {
        padding: 10px 0;
      }
      .blog-list__timeline-item {
        margin-bottom: 40px;
        padding-left: 50px !important;
      }
      .blog-list__timeline::before {
        left: 15px;
      }
      .blog-list__timeline-item:nth-child(odd)::after,
      .blog-list__timeline-item:nth-child(even)::after {
        left: 5px;
        width: 16px;
        height: 16px;
      }
      .blog-list__card-image {
        height: 160px;
      }
      .blog-list__card-content {
        padding: 15px;
      }
      .blog-list__card-title {
        font-size: 1.1em;
      }
      .blog-list__card-summary {
        font-size: 0.85em;
        -webkit-line-clamp: 4;
      }
    }