:root {
      --blog-list-primary-color: #0056b3; 
      --blog-list-secondary-color: #f8f9fa; 
      --blog-list-text-dark: #333;
      --blog-list-text-medium: #666;
      --blog-list-text-light: #999;
      --blog-list-border-color: #e0e0e0;
      --blog-list-card-bg: #ffffff;
      --blog-list-shadow-light: rgba(0, 0, 0, 0.08);
      --blog-list-shadow-hover: rgba(0, 0, 0, 0.15);
      --blog-list-border-radius: 10px;
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--blog-list-secondary-color);
      color: var(--blog-list-text-dark);
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 15px;
      padding-right: 15px;
    }

    .blog-list__heading {
      text-align: center;
      margin-bottom: 40px;
      color: var(--blog-list-primary-color);
      font-size: 2.2em;
      font-weight: bold;
      padding-top: 20px;
    }

    .blog-list__timeline-container {
      position: relative;
      padding: 20px 0;
      max-width: 900px;
      margin: 0 auto;
    }

    .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;
      display: none;
    }

    @media (min-width: 768px) {
      .blog-list__timeline-container::after {
        display: block;
      }
    }

    .blog-list__timeline-item {
      padding: 10px 0;
      position: relative;
      width: 100%;
      box-sizing: border-box;
      margin-bottom: 30px;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    @media (min-width: 768px) {
      .blog-list__timeline-item {
        width: 50%;
        margin-bottom: 40px;
        position: relative;
        padding-right: 30px;
      }

      .blog-list__timeline-item:nth-child(odd) {
        float: left;
        clear: left;
        transform: translateX(-50%);
        padding-left: 0;
        padding-right: calc(50% + 30px);
      }

      .blog-list__timeline-item:nth-child(even) {
        float: right;
        clear: right;
        transform: translateX(50%);
        padding-left: calc(50% + 30px);
        padding-right: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card {
        margin-right: 0;
        margin-left: auto;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__card {
        margin-left: 0;
        margin-right: auto;
      }
    }

    .blog-list__date-marker {
      background-color: var(--blog-list-primary-color);
      color: var(--blog-list-card-bg);
      padding: 8px 15px;
      border-radius: var(--blog-list-border-radius);
      font-size: 0.9em;
      font-weight: bold;
      z-index: 1;
      margin-bottom: 15px;
      text-align: center;
      min-width: 120px;
      box-shadow: 0 2px 5px var(--blog-list-shadow-light);
    }

    @media (min-width: 768px) {
      .blog-list__date-marker {
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        margin-bottom: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__date-marker {
        left: auto;
        right: calc(-50% - 15px);
        transform: translateX(0);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__date-marker {
        left: calc(-50% - 15px);
        right: auto;
        transform: translateX(0);
      }
    }

    .blog-list__card {
      background-color: var(--blog-list-card-bg);
      border-radius: var(--blog-list-border-radius);
      box-shadow: 0 4px 12px var(--blog-list-shadow-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      width: 100%;
      max-width: 400px;
    }

    @media (min-width: 768px) {
      .blog-list__card {
        max-width: none;
        width: calc(100% - 60px);
      }
    }

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

    .blog-list__card-image-wrapper {
      width: 100%;
      padding-top: 56.25%;
      position: relative;
      overflow: hidden;
      background-color: #f0f0f0;
    }

    .blog-list__card-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      border-top-left-radius: var(--blog-list-border-radius);
      border-top-right-radius: var(--blog-list-border-radius);
    }

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

    .blog-list__card-title {
      font-size: 1.2em;
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

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

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

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

    .blog-list__clearfix::after {
      content: "";
      display: table;
      clear: both;
    }

    @media (max-width: 767px) {
      .blog-list__heading {
        font-size: 1.8em;
        margin-bottom: 30px;
      }
      .blog-list__card {
        margin: 0 auto;
      }
      .blog-list__timeline-item {
        margin-bottom: 25px;
      }
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .blog-list__heading {
        font-size: 2em;
      }
      .blog-list__timeline-item {
        padding-right: 20px;
      }
      .blog-list__timeline-item:nth-child(odd) {
        padding-right: calc(50% + 20px);
      }
      .blog-list__timeline-item:nth-child(even) {
        padding-left: calc(50% + 20px);
      }
      .blog-list__timeline-container {
        max-width: 700px;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__heading {
        font-size: 2.4em;
      }
      .blog-list__timeline-container {
        max-width: 1000px;
      }
      .blog-list__timeline-item {
        padding-right: 40px;
      }
      .blog-list__timeline-item:nth-child(odd) {
        padding-right: calc(50% + 40px);
      }
      .blog-list__timeline-item:nth-child(even) {
        padding-left: calc(50% + 40px);
      }
    }