:root {
      --primary-bg: #1a1a1a;
      --secondary-bg: #2a2a2a;
      --text-color: #f0f0f0;
      --light-text-color: #b0b0b0; 
      --lighter-text-color: #a0a0a0; 
      --accent-color: #ffd700; 
      --border-color: #3a3a3a;
      --header-offset: 120px; 
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      background-color: var(--primary-bg);
      color: var(--text-color);
      padding-top: var(--header-offset);
      padding-bottom: 40px;
      line-height: 1.6;
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px;
      background-color: var(--secondary-bg);
      margin-bottom: 30px;
      border-bottom: 1px solid var(--border-color);
    }

    .blog-list__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: var(--accent-color);
      line-height: 1.2;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      color: var(--light-text-color);
      max-width: 800px;
      margin: 0 auto;
    }

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

    .blog-list__timeline {
      position: relative;
      padding: 0 0 0 30px;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 0;
      bottom: 0;
      width: 2px;
      background-color: var(--border-color);
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 40px;
      padding-left: 40px;
      display: flex;
      align-items: flex-start;
    }

    .blog-list__timeline-marker {
      position: absolute;
      left: 0;
      top: 0;
      width: 20px;
      height: 20px;
      background-color: var(--accent-color);
      border-radius: 50%;
      border: 3px solid var(--primary-bg);
      z-index: 1;
      transform: translateX(-50%);
    }

    .blog-list__card {
      background-color: var(--secondary-bg);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: 100%;
    }

    .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .blog-list__card-link {
      display: block;
      line-height: 0;
    }

    .blog-list__card-image {
      width: 100%;
      height: 225px;
      object-fit: cover;
      display: block;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
    }

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

    .blog-list__card-title {
      font-size: 1.4em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.3;
    }

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

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

    .blog-list__card-summary {
      font-size: 1em;
      color: var(--light-text-color);
      margin-bottom: 15px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.9em;
      color: var(--lighter-text-color);
    }

    .blog-list__card-date {
      white-space: nowrap;
    }

    .blog-list__card-read-more {
      color: var(--accent-color);
      text-decoration: none;
      font-weight: bold;
      transition: opacity 0.3s ease;
    }

    .blog-list__card-read-more:hover {
      opacity: 0.8;
    }

    @media (min-width: 768px) {
      .blog-list__timeline {
        padding-left: 50px;
      }

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

      .blog-list__timeline-marker {
        left: 20px;
        width: 24px;
        height: 24px;
        transform: translateX(-50%);
      }

      .blog-list__timeline-item {
        padding-left: 60px;
      }

      .blog-list__card-image {
        height: 250px;
      }

      .blog-list__card-title {
        font-size: 1.5em;
      }

      .blog-list__card-summary {
        font-size: 1.05em;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__hero {
        padding: 60px 20px;
      }

      .blog-list__hero-title {
        font-size: 3em;
      }

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

      .blog-list__timeline {
        padding: 0;
        display: grid;
        grid-template-columns: 1fr 2px 1fr;
        gap: 40px;
        position: relative;
      }

      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__timeline-item {
        padding: 0;
        margin-bottom: 60px;
        display: contents;
      }

      .blog-list__timeline-marker {
        grid-column: 2 / 3;
        left: 50%;
        top: 0;
        transform: translateX(-50%);
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card {
        grid-column: 1 / 2;
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__card {
        grid-column: 3 / 4;
        text-align: left;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card-content {
        padding-right: 0;
        padding-left: 20px;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__card-content {
        padding-left: 0;
        padding-right: 20px;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card-meta {
        justify-content: flex-end;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card-read-more {
        margin-left: 15px;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__card-meta {
        justify-content: flex-start;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__card-read-more {
        margin-right: 15px;
      }

      .blog-list__card-image {
        height: 280px;
      }
    }