:root {
      --main-bg-color: #1a2a40;
      --card-bg-color: #2a3b50;
      --primary-text-color: #f8f9fa;
      --secondary-text-color: #c0d3e8;
      --date-text-color: #b0c4de;
      --accent-color: #4fc3f7;
      --timeline-line-color: #4a5a6a;
      --shadow-color: rgba(0, 0, 0, 0.2);
      --hover-shadow-color: rgba(0, 0, 0, 0.3);
      --header-offset: 120px;
    }

    .blog-list {
      background-color: var(--main-bg-color);
      color: var(--primary-text-color);
      padding-top: var(--header-offset);
      min-height: 100vh;
      padding-bottom: 40px;
      font-family: Arial, sans-serif;
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px;
      max-width: 800px;
      margin: 0 auto;
    }

    .blog-list__hero-title {
      font-size: 2.2em;
      color: var(--primary-text-color);
      margin-bottom: 15px;
      line-height: 1.3;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      color: var(--secondary-text-color);
      line-height: 1.6;
    }

    .blog-list__timeline-section {
      padding: 20px 0;
    }

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

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 2px;
      height: 100%;
      background-color: var(--timeline-line-color);
      z-index: 0;
      display: none;
    }

    .blog-list__timeline-item {
      display: flex;
      justify-content: center;
      position: relative;
      margin-bottom: 50px;
      padding: 0 20px;
    }

    .blog-list__timeline-dot {
      width: 16px;
      height: 16px;
      background-color: var(--accent-color);
      border-radius: 50%;
      border: 2px solid var(--card-bg-color);
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      z-index: 2;
      top: 0;
      display: none;
    }

    .blog-list__timeline-content {
      background-color: var(--card-bg-color);
      border-radius: 10px;
      box-shadow: 0 4px 10px var(--shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding: 20px;
      width: 100%;
      max-width: 500px;
      position: relative;
      z-index: 1;
    }

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

    .blog-list__timeline-link {
      text-decoration: none;
      color: inherit;
      display: block;
    }

    .blog-list__timeline-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 15px;
    }

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

    .blog-list__timeline-text-content {
      text-align: left;
    }

    .blog-list__timeline-title {
      font-size: 1.25em;
      font-weight: bold;
      color: var(--primary-text-color);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__timeline-summary {
      font-size: 1em;
      color: var(--secondary-text-color);
      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__timeline-date {
      font-size: 0.875em;
      color: var(--date-text-color);
      display: block;
      margin-bottom: 10px;
    }

    .blog-list__read-more {
      font-size: 0.9em;
      color: var(--accent-color);
      font-weight: bold;
      display: inline-block;
      text-decoration: none;
      position: relative;
      padding-right: 15px;
    }

    .blog-list__read-more::after {
      content: '→';
      position: absolute;
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      transition: transform 0.2s ease;
    }

    .blog-list__timeline-link:hover .blog-list__read-more::after {
      transform: translateY(-50%) translateX(5px);
    }

    @media (min-width: 768px) {
      .blog-list__hero-title {
        font-size: 2.8em;
      }

      .blog-list__hero-description {
        font-size: 1.2em;
      }

      .blog-list__timeline-container::before,
      .blog-list__timeline-dot {
        display: block;
      }

      .blog-list__timeline-item {
        width: 50%;
        margin-bottom: 80px;
        padding: 0;
        justify-content: flex-start;
      }

      .blog-list__timeline-item:nth-child(odd) {
        align-self: flex-start;
        padding-right: 70px;
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) {
        align-self: flex-end;
        padding-left: 70px;
        text-align: left;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-dot {
        left: auto;
        right: -8px;
        transform: translateX(50%);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-dot {
        left: -8px;
        right: auto;
        transform: translateX(-50%);
      }

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

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

      .blog-list__timeline-text-content {
        text-align: inherit;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__hero-title {
        font-size: 3em;
      }
      .blog-list__timeline-item {
        margin-bottom: 100px;
      }
    }