:root {
      --bg-color: #1a1a1a;
      --card-bg-color: #2a2a2a;
      --text-color: #ffffff;
      --secondary-text-color: #cccccc;
      --accent-color: #ffd700;
      --line-color: #444444;
      --header-offset: 120px; 
    }

    .blog-list {
      padding-top: var(--header-offset);
      background-color: var(--bg-color);
      color: var(--text-color);
      min-height: 100vh;
      padding-bottom: 50px;
      font-family: Arial, sans-serif;
    }

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

    .blog-list__main-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: var(--accent-color);
      font-weight: bold;
    }

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

    .blog-list__timeline-section {
      position: relative;
      max-width: 900px;
      margin: 40px auto;
      padding: 20px 0;
    }

    .blog-list__timeline-section::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 20px; 
      width: 2px;
      background-color: var(--line-color);
      z-index: 0;
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 40px;
      padding-left: 60px; 
    }

    .blog-list__marker {
      position: absolute;
      top: 0;
      left: 13px; 
      width: 16px;
      height: 16px;
      background-color: var(--accent-color);
      border: 2px solid var(--card-bg-color); 
      border-radius: 50%;
      z-index: 1;
      box-shadow: 0 0 0 4px var(--bg-color); 
    }

    .blog-list__card-link {
      display: block;
      text-decoration: none;
      color: inherit;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .blog-list__card {
      background-color: var(--card-bg-color);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .blog-list__card-link:hover .blog-list__card {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .blog-list__image-wrapper {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }

    .blog-list__image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

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

    .blog-list__date {
      font-size: 0.85em;
      color: var(--secondary-text-color);
      margin-bottom: 10px;
      display: block;
    }

    .blog-list__title {
      font-size: 1.2em;
      font-weight: bold;
      margin-bottom: 10px;
      color: var(--text-color);
      line-height: 1.4;
    }

    .blog-list__summary {
      font-size: 0.95em;
      color: var(--secondary-text-color);
      line-height: 1.5;
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .blog-list__read-more {
      display: inline-block;
      color: var(--accent-color);
      text-decoration: none;
      font-weight: bold;
      margin-top: auto;
    }

    .blog-list__read-more:hover {
      text-decoration: underline;
    }

    
    @media (min-width: 768px) {
      .blog-list__hero {
        padding: 60px 30px;
      }

      .blog-list__main-title {
        font-size: 2.5em;
      }

      .blog-list__description {
        font-size: 1.2em;
      }

      .blog-list__timeline-section {
        display: grid;
        grid-template-columns: 1fr 2px 1fr; 
        gap: 40px; 
        max-width: 1000px;
        margin: 40px auto;
        padding: 0 20px;
      }

      .blog-list__timeline-section::before {
        content: none; 
      }

      .blog-list__timeline-section::after { 
        content: '';
        grid-column: 2 / 3; 
        grid-row: 1 / -1; 
        background-color: var(--line-color);
      }

      .blog-list__item {
        margin-bottom: 0;
        padding-left: 0;
        position: relative;
      }

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

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

      .blog-list__marker {
        position: absolute;
        top: 20px; 
        background-color: var(--accent-color);
        border: 2px solid var(--card-bg-color);
        border-radius: 50%;
        width: 16px;
        height: 16px;
        z-index: 1;
        box-shadow: 0 0 0 4px var(--bg-color);
      }

      .blog-list__item:nth-child(odd) .blog-list__marker {
        right: -52px; 
        left: auto;
      }

      .blog-list__item:nth-child(even) .blog-list__marker {
        left: -52px; 
        right: auto;
      }

      .blog-list__card-link {
        width: 100%;
      }

      .blog-list__item:nth-child(odd) .blog-list__content {
        text-align: right;
      }

      .blog-list__item:nth-child(even) .blog-list__content {
        text-align: left;
      }
    }

    
    @media (min-width: 1024px) {
      .blog-list__timeline-section {
        max-width: 1200px; 
        gap: 60px; 
      }

      .blog-list__hero {
        padding: 80px 40px;
      }

      .blog-list__main-title {
        font-size: 3.2em;
      }

      .blog-list__description {
        font-size: 1.4em;
      }

      .blog-list__item:nth-child(odd) .blog-list__marker {
        right: -72px;
      }

      .blog-list__item:nth-child(even) .blog-list__marker {
        left: -72px;
      }
    }