:root {
      --blog-list__bg-color: #1a1a1a;
      --blog-list__card-bg-color: #333333;
      --blog-list__text-color: #f0f0f0;
      --blog-list__accent-color: #ffcc00;
      --blog-list__summary-color: #cccccc;
      --blog-list__date-color: #aaaaaa;
      --blog-list__shadow-color: rgba(0, 0, 0, 0.3);
      --header-offset: 120px; 
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      background-color: var(--blog-list__bg-color);
      color: var(--blog-list__text-color);
      padding-top: var(--header-offset);
      padding-bottom: 40px;
      min-height: 100vh;
      box-sizing: border-box;
    }

    .blog-list__header {
      text-align: center;
      padding: 40px 20px;
      margin-bottom: 20px;
    }

    .blog-list__title {
      font-size: 2.5em;
      color: var(--blog-list__text-color);
      margin-bottom: 15px;
      font-weight: bold;
      line-height: 1.2;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--blog-list__summary-color);
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.6;
    }

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

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      width: 2px;
      height: 100%;
      background-color: var(--blog-list__accent-color);
      transform: translateX(-50%);
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 40px;
      display: flex;
      justify-content: center;
      width: 100%;
    }

    .blog-list__timeline-marker {
      position: absolute;
      top: 0;
      left: 50%;
      width: 16px;
      height: 16px;
      background-color: var(--blog-list__accent-color);
      border-radius: 50%;
      transform: translateX(-50%);
      z-index: 1;
      border: 3px solid var(--blog-list__bg-color);
    }

    .blog-list__card {
      width: calc(100% - 60px);
      max-width: 400px;
      background-color: var(--blog-list__card-bg-color);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px var(--blog-list__shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      margin-left: 30px;
      position: relative;
      text-align: left;
    }

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

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

    .blog-list__card-image {
      width: 100%;
      height: 225px; 
      object-fit: cover;
      display: block;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .blog-list__card-title {
      font-size: 1.25em; 
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

    .blog-list__card-summary {
      font-size: 0.9em; 
      color: var(--blog-list__summary-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__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 10px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .blog-list__card-date {
      font-size: 0.85em; 
      color: var(--blog-list__date-color);
    }

    .blog-list__card-read-more {
      color: var(--blog-list__accent-color);
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: color 0.3s ease;
    }

    .blog-list__card-read-more:hover {
      color: #ffd700;
      text-decoration: underline;
    }

    @media (min-width: 768px) {
      .blog-list__title {
        font-size: 3em;
      }

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

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

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

      .blog-list__timeline-item:nth-child(even) {
        float: right;
        clear: right;
      }

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

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

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

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

      .blog-list__timeline-item:nth-child(odd) .blog-list__card-title-link {
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__card-title-link {
        text-align: left;
      }

      .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 {
        max-width: 500px;
      }

      .blog-list__card-image {
        height: 281px; 
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline-container::before {
        left: 50%;
      }

      .blog-list__timeline-item {
        margin-bottom: 60px;
      }

      .blog-list__timeline-marker {
        width: 20px;
        height: 20px;
        border-width: 4px;
      }

      .blog-list__card {
        max-width: 550px;
      }

      .blog-list__card-image {
        height: 309px; 
      }

      .blog-list__card-title {
        font-size: 1.4em;
      }

      .blog-list__card-summary {
        font-size: 1em;
      }
    }