:root {
      --primary-bg-color: #1a1a1a;
      --secondary-bg-color: #222222;
      --text-color-light: #ffffff;
      --text-color-dark: #cccccc;
      --accent-color: #ffcc00; 
      --timeline-line-color: #444444;
      --card-shadow-color: rgba(0, 0, 0, 0.3);
      --card-shadow-hover-color: rgba(0, 0, 0, 0.6);
      --header-offset: 120px; 
    }

    .blog-list {
      background-color: var(--primary-bg-color);
      color: var(--text-color-light);
      min-height: 100vh;
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
    }

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

    .blog-list__main-title {
      font-size: 28px;
      font-weight: bold;
      text-align: center;
      margin-bottom: 15px;
      color: var(--accent-color);
      line-height: 1.3;
    }

    .blog-list__description {
      font-size: 16px;
      text-align: center;
      margin-bottom: 40px;
      color: var(--text-color-dark);
      line-height: 1.6;
    }

    .blog-list__timeline-container {
      position: relative;
      padding: 0 15px;
    }

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      left: 20px;
      width: 2px;
      background-color: var(--timeline-line-color);
      height: 100%;
      z-index: 1;
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 30px;
      padding-left: 50px;
    }

    .blog-list__timeline-marker {
      position: absolute;
      top: 0;
      left: 12px;
      width: 18px;
      height: 18px;
      background-color: var(--accent-color);
      border: 3px solid var(--primary-bg-color);
      border-radius: 50%;
      z-index: 2;
    }

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

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

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

    .blog-list__image-wrapper {
      width: 100%;
      padding-top: 56.25%; 
      position: relative;
      overflow: hidden;
      background-color: #333;
    }

    .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .blog-list__card:hover .blog-list__image {
      transform: scale(1.05);
    }

    .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;
      color: var(--accent-color);
      line-height: 1.4;
    }

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

    .blog-list__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
    }

    .blog-list__card-date {
      font-size: 13px;
      color: #999999;
    }

    .blog-list__read-more-btn {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--primary-bg-color);
      padding: 8px 15px;
      border-radius: 5px;
      font-size: 14px;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, color 0.3s ease;
    }

    .blog-list__read-more-btn:hover {
      background-color: #e6b800;
      color: var(--primary-bg-color);
    }

    .blog-list__timeline-clear {
      clear: both;
    }

    @media (min-width: 768px) {
      .blog-list__main-title {
        font-size: 34px;
      }

      .blog-list__description {
        font-size: 18px;
        margin-bottom: 60px;
      }

      .blog-list__timeline-container {
        padding: 0 50px;
      }

      .blog-list__timeline-container::before {
        left: 50%;
        transform: translateX(-1px);
      }

      .blog-list__timeline-item {
        width: 50%;
        padding-left: 0;
        padding-right: 50px;
      }

      .blog-list__timeline-item:nth-child(odd) {
        float: left;
        clear: left;
      }

      .blog-list__timeline-item:nth-child(even) {
        float: right;
        clear: right;
        padding-left: 50px;
        padding-right: 0;
      }

      .blog-list__timeline-marker {
        left: auto;
        right: -10px;
        transform: translateX(50%);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-marker {
        left: -10px;
        right: auto;
        transform: translateX(-50%);
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline-section {
        padding: 20px 0;
      }

      .blog-list__main-title {
        font-size: 40px;
      }

      .blog-list__timeline-container {
        padding: 0 100px;
      }

      .blog-list__timeline-item {
        margin-bottom: 40px;
      }

      .blog-list__card-title {
        font-size: 22px;
      }

      .blog-list__card-summary {
        font-size: 16px;
      }

      .blog-list__card-date {
        font-size: 14px;
      }

      .blog-list__read-more-btn {
        padding: 10px 18px;
        font-size: 15px;
      }
    }