:root {
      --primary-color: #007bff;
      --text-color-dark: #333;
      --text-color-medium: #666;
      --text-color-light: #999;
      --background-color-light: #f9f9f9;
      --card-background: #fff;
      --border-radius-medium: 10px;
      --shadow-light: 0 4px 8px rgba(0, 0, 0, 0.1);
      --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

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

    .blog-list__heading {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2.5em;
      color: var(--text-color-dark);
      position: relative;
      padding-bottom: 15px;
    }

    .blog-list__heading::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: var(--primary-color);
    }

    .blog-list__timeline {
      position: relative;
      margin: 50px 0;
    }

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

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 50px;
      width: 50%;
      padding: 10px 0;
      box-sizing: border-box;
    }

    .blog-list__timeline-item:nth-child(odd) {
      left: 0;
      padding-right: 50px;
    }

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

    .blog-list__timeline-dot {
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border-radius: 50%;
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      border: 3px solid var(--card-background);
      z-index: 1;
    }

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

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

    .blog-list__card {
      background-color: var(--card-background);
      border-radius: var(--border-radius-medium);
      box-shadow: var(--shadow-light);
      overflow: hidden;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .blog-list__card-image {
      width: 100%;
      height: 225px;
      object-fit: cover;
      display: block;
      border-top-left-radius: var(--border-radius-medium);
      border-top-right-radius: var(--border-radius-medium);
    }

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

    .blog-list__card-title {
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__card-title-link {
      color: var(--text-color-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: 15px;
      color: var(--text-color-medium);
      margin-bottom: 15px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__card-date {
      font-size: 13px;
      color: var(--text-color-light);
      margin-bottom: 15px;
      display: block;
    }

    .blog-list__card-link {
      display: inline-block;
      background-color: var(--primary-color);
      color: #fff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 14px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      align-self: flex-start;
    }

    .blog-list__card-link:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    @media (max-width: 767px) {
      .blog-list {
        padding: 15px;
        padding-top: var(--header-offset, 120px);
      }

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

      .blog-list__timeline::before {
        left: 20px;
        transform: translateX(0);
      }

      .blog-list__timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px;
        padding-right: 10px;
      }

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

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

      .blog-list__timeline-dot {
        left: 10px !important;
        right: auto !important;
      }

      .blog-list__card-image {
        height: 180px;
      }

      .blog-list__card-title {
        font-size: 18px;
      }

      .blog-list__card-summary {
        font-size: 14px;
      }

      .blog-list__card-date {
        font-size: 12px;
      }

      .blog-list__card-link {
        padding: 8px 15px;
        font-size: 13px;
      }
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-50%);
      }
      .blog-list__timeline-item {
        width: 80%;
        left: 10%;
        padding-left: 50px;
        padding-right: 50px;
      }

      .blog-list__timeline-item:nth-child(odd) {
        padding-right: 50px;
      }

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

      .blog-list__timeline-dot {
        left: 50%;
        right: auto;
        transform: translate(-50%, -50%);
      }

      .blog-list__card-image {
        height: 200px;
      }
    }
    
    @media (min-width: 1024px) {
      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-50%);
      }
      .blog-list__timeline-item {
        width: 50%;
        padding: 10px 0;
      }

      .blog-list__timeline-item:nth-child(odd) {
        left: 0;
        padding-right: 50px;
        text-align: right;
      }

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

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

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

      .blog-list__card {
        text-align: left;
      }

      .blog-list__card-title-link,
      .blog-list__card-summary,
      .blog-list__card-date {
        text-align: inherit;
      }
      .blog-list__card-link {
        align-self: flex-start;
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__card-link {
        align-self: flex-end;
      }
    }