:root {
      --primary-bg-color: #1a1a1a;
      --secondary-bg-color: #2c2c2c;
      --text-color-light: #f0f0f0;
      --text-color-medium: #cccccc;
      --text-color-dark: #a0a0a0;
      --accent-color: #ffcc00;
      --accent-color-hover: #ffd700;
      --border-color: #3a3a3a;
      --shadow-color: rgba(0, 0, 0, 0.4);
      --header-offset: 120px;
    }

    .blog-list {
      background-color: var(--primary-bg-color);
      color: var(--text-color-light);
      padding: var(--header-offset, 120px) 0 60px;
      min-height: 100vh;
      font-family: Arial, sans-serif;
    }

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

    .blog-list__container::after {
      content: '';
      position: absolute;
      width: 4px;
      background-color: var(--border-color);
      top: 0;
      bottom: 0;
      left: 50%;
      margin-left: -2px;
      z-index: 0;
      display: none;
    }

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

    .blog-list__timeline-item {
      padding: 10px 0;
      position: relative;
      background-color: transparent;
      margin-bottom: 30px;
      width: 100%;
      z-index: 1;
      display: flex;
      justify-content: center;
    }

    .blog-list__timeline-item::after {
      content: '';
      position: absolute;
      width: 20px;
      height: 20px;
      background-color: var(--accent-color);
      border: 4px solid var(--primary-bg-color);
      top: 20px;
      border-radius: 50%;
      z-index: 1;
      display: none;
    }

    @media (min-width: 768px) {
      .blog-list__timeline-item::after {
        display: block;
        left: 50%;
        margin-left: -10px;
      }
    }

    .blog-list__card {
      background-color: var(--secondary-bg-color);
      border-radius: 12px;
      box-shadow: 0 4px 15px var(--shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      width: 100%;
      max-width: 450px;
      margin: 0 auto;
    }

    .blog-list__timeline-item:hover .blog-list__card {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--shadow-color);
    }

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

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

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

    .blog-list__card-title {
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
      color: var(--text-color-light);
      text-decoration: none;
    }

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

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

    .blog-list__card-summary {
      font-size: 15px;
      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;
      flex-grow: 1;
    }

    .blog-list__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
      padding-top: 10px;
      border-top: 1px solid var(--border-color);
    }

    .blog-list__card-date {
      font-size: 13px;
      color: var(--text-color-dark);
    }

    .blog-list__read-more-link {
      color: var(--accent-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
      font-size: 14px;
    }

    .blog-list__read-more-link:hover {
      color: var(--accent-color-hover);
      text-decoration: underline;
    }

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

      .blog-list__timeline-item:nth-child(odd) {
        float: left;
        padding-right: 40px;
        justify-content: flex-end;
      }

      .blog-list__timeline-item:nth-child(even) {
        float: right;
        padding-left: 40px;
        justify-content: flex-start;
      }

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

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

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

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

      .blog-list__container::after {
        left: 50%;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__container::before,
      .blog-list__container::after {
        content: '';
        display: table;
        clear: both;
      }
      .blog-list__container::after {
        left: 50%;
      }
    }

    .blog-list__container::after {
      content: '';
      display: table;
      clear: both;
    }