:root {
      --header-offset: 120px;
      --primary-color: #0056b3;
      --secondary-color: #f8f9fa;
      --text-color-dark: #333333;
      --text-color-medium: #666666;
      --text-color-light: #999999;
      --border-color: #e0e0e0;
      --shadow-light: 0 4px 8px rgba(0, 0, 0, 0.1);
      --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.2);
      --timeline-line-color: #dddddd;
      --timeline-dot-color: var(--primary-color);
    }

    .blog-list {
      padding: var(--header-offset, 120px) 20px 60px;
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      font-family: Arial, sans-serif;
      color: var(--text-color-dark);
    }

    .blog-list__heading {
      text-align: center;
      font-size: 2.5em;
      margin-bottom: 50px;
      color: var(--primary-color);
      font-weight: bold;
    }

    .blog-list__description {
      text-align: center;
      font-size: 1.1em;
      color: var(--text-color-medium);
      margin-bottom: 60px;
      line-height: 1.6;
      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-color: var(--timeline-line-color);
      transform: translateX(-50%);
      z-index: 0;
    }

    .blog-list__item {
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 40px;
      position: relative;
      padding: 10px 0;
    }

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

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

    .blog-list__content-wrapper {
      background-color: #ffffff;
      border-radius: 12px;
      box-shadow: var(--shadow-light);
      padding: 25px;
      width: calc(50% - 40px);
      transition: all 0.3s ease;
      position: relative;
      z-index: 1;
      border: 1px solid var(--border-color);
    }

    .blog-list__content-wrapper:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-5px);
    }

    .blog-list__item:nth-child(odd) .blog-list__content-wrapper {
      margin-right: 40px;
    }

    .blog-list__item:nth-child(even) .blog-list__content-wrapper {
      margin-left: 40px;
    }

    .blog-list__dot {
      width: 20px;
      height: 20px;
      background-color: var(--timeline-dot-color);
      border-radius: 50%;
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      z-index: 2;
      border: 4px solid #ffffff;
      box-shadow: 0 0 0 2px var(--timeline-line-color);
    }

    .blog-list__image-container {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 15px;
      background-color: var(--secondary-color);
    }

    .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 8px;
    }

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

    .blog-list__title-link {
      color: var(--primary-color);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .blog-list__title-link:hover {
      color: #007bff;
      text-decoration: underline;
    }

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

    .blog-list__date {
      font-size: 0.85em;
      color: var(--text-color-light);
      display: block;
      margin-bottom: 15px;
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--primary-color);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 6px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.2s ease;
    }

    .blog-list__read-more:hover {
      background-color: #004085;
    }

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

      .blog-list__item {
        flex-direction: column !important;
        align-items: flex-start;
      }

      .blog-list__content-wrapper {
        width: calc(100% - 40px);
        margin-left: 40px !important;
        margin-right: 0 !important;
      }

      .blog-list__dot {
        left: 20px;
        transform: translate(-50%, -50%);
      }

      .blog-list__item:nth-child(odd) .blog-list__content-wrapper::before,
      .blog-list__item:nth-child(even) .blog-list__content-wrapper::before {
        content: none;
      }
    }

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

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

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

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

      .blog-list__dot {
        left: 20px;
      }

      .blog-list__content-wrapper {
        width: calc(100% - 40px);
        margin-left: 40px !important;
        margin-right: 0 !important;
      }

      .blog-list__title {
        font-size: 1.2em;
      }

      .blog-list__summary {
        font-size: 0.95em;
      }

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

    @media (max-width: 480px) {
      .blog-list__heading {
        font-size: 1.8em;
      }

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

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

      .blog-list__dot {
        left: 15px;
        width: 16px;
        height: 16px;
      }

      .blog-list__content-wrapper {
        width: calc(100% - 30px);
        margin-left: 30px !important;
      }

      .blog-list__image-container {
        border-radius: 6px;
      }
    }