:root {
      --primary-bg-color: #0a0a0a;
      --secondary-bg-color: #1c1c1c;
      --text-color: #e0e0e0;
      --heading-color: #ffffff;
      --accent-color: #ffd700; 
      --link-color: #ffd700;
      --link-hover-color: #ffc107;
      --border-color: #333333;
      --timeline-line-color: #444444;
      --date-bg-color: #333333;
      --date-text-color: #ffffff;
      --shadow-color: rgba(0, 0, 0, 0.5);
      --header-offset: 120px;
    }

    .blog-list {
      background-color: var(--primary-bg-color);
      color: var(--text-color);
      font-family: 'Arial', sans-serif;
      padding: 20px;
      padding-top: var(--header-offset, 120px);
      min-height: 100vh;
      box-sizing: border-box;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      padding: 0 15px;
    }

    .blog-list__title {
      color: var(--heading-color);
      text-align: center;
      margin-bottom: 20px;
      font-size: 2.5em;
      font-weight: bold;
      padding-top: 20px;
    }

    .blog-list__description {
      color: var(--text-color);
      text-align: center;
      margin-bottom: 40px;
      font-size: 1.1em;
      line-height: 1.6;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background-color: var(--timeline-line-color);
      transform: translateX(-50%);
      z-index: 1;
    }

    .blog-list__timeline-item {
      display: flex;
      margin-bottom: 60px;
      position: relative;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }

    .blog-list__timeline-item.blog-list__timeline-item--visible {
      opacity: 1;
      transform: translateY(0);
    }

    .blog-list__timeline-item:nth-child(odd) {
      flex-direction: row;
      justify-content: flex-start;
    }

    .blog-list__timeline-item:nth-child(even) {
      flex-direction: row-reverse;
      justify-content: flex-start;
    }

    .blog-list__timeline-item-date {
      position: absolute;
      top: 0;
      z-index: 2;
      background-color: var(--accent-color);
      color: var(--primary-bg-color);
      padding: 8px 15px;
      border-radius: 5px;
      font-size: 0.9em;
      font-weight: bold;
      white-space: nowrap;
      box-shadow: 0 2px 5px var(--shadow-color);
    }
    
    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-item-date {
        right: calc(50% + 20px);
        text-align: right;
    }
    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-item-date {
        left: calc(50% + 20px);
        text-align: left;
    }

    .blog-list__timeline-content {
      width: calc(50% - 30px);
      background-color: var(--secondary-bg-color);
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 4px 15px var(--shadow-color);
      border: 1px solid var(--border-color);
      position: relative;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

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

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
      margin-right: 30px;
      text-align: right;
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
      margin-left: 30px;
      text-align: left;
    }

    .blog-list__timeline-item-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      display: block;
    }

    .blog-list__timeline-item-title {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--heading-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

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

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

    .blog-list__timeline-item-summary {
      font-size: 1em;
      line-height: 1.6;
      color: var(--text-color);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--primary-bg-color);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: var(--link-hover-color);
      color: var(--secondary-bg-color);
    }

    @media (max-width: 768px) {
      .blog-list__title {
        font-size: 2em;
      }
      .blog-list__description {
        font-size: 1em;
      }

      .blog-list__timeline::before {
        left: 20px;
        transform: none;
      }

      .blog-list__timeline-item {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 30px;
      }

      .blog-list__timeline-item:nth-child(odd),
      .blog-list__timeline-item:nth-child(even) {
        flex-direction: column;
        justify-content: center;
      }

      .blog-list__timeline-item-date {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        transform: none;
        margin-bottom: 15px;
        align-self: flex-start;
        margin-left: 20px;
        background-color: var(--date-bg-color);
        color: var(--date-text-color);
        text-align: center;
      }
      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-item-date,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-item-date {
          margin-left: 20px;
      }

      .blog-list__timeline-content {
        width: calc(100% - 40px);
        margin-left: 20px;
        text-align: left;
        padding: 20px;
      }

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

      .blog-list__timeline-item-image {
        height: 180px;
      }

      .blog-list__timeline-item-title {
        font-size: 1.3em;
      }

      .blog-list__timeline-item-summary {
        -webkit-line-clamp: 4;
      }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
      .blog-list__timeline-item-date {
        padding: 6px 12px;
        font-size: 0.85em;
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-item-date {
          right: calc(50% + 15px);
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-item-date {
          left: calc(50% + 15px);
      }
      .blog-list__timeline-content {
        width: calc(50% - 25px);
        padding: 20px;
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: 25px;
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: 25px;
      }
      .blog-list__timeline-item-image {
        height: 180px;
      }
      .blog-list__timeline-item-title {
        font-size: 1.4em;
      }
    }