:root {
      --blog-list-primary-color: #ffcc00;
      --blog-list-secondary-color: #f0f0f0;
      --blog-list-background-color: #1a1a1a;
      --blog-list-card-background: #2a2a2a;
      --blog-list-text-color-light: #cccccc;
      --blog-list-text-color-muted: #b3b3b3;
      --blog-list-border-radius: 10px;
      --blog-list-spacing: 24px;
      --blog-list-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      --blog-list-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.6);
  }

  .blog-list {
      background-color: var(--blog-list-background-color);
      color: var(--blog-list-secondary-color);
      padding: var(--header-offset, 120px) var(--blog-list-spacing) var(--blog-list-spacing);
      font-family: Arial, sans-serif;
      line-height: 1.6;
  }

  .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
  }

  .blog-list__heading {
      text-align: center;
      color: var(--blog-list-primary-color);
      font-size: 2.5em;
      margin-bottom: calc(var(--blog-list-spacing) * 1.5);
      font-weight: bold;
      letter-spacing: 0.5px;
  }

  .blog-list__timeline {
      position: relative;
      margin: 0 auto;
      padding: 0;
  }

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

  .blog-list__item {
      position: relative;
      margin-bottom: calc(var(--blog-list-spacing) * 2);
      width: calc(50% - var(--blog-list-spacing));
      float: left;
      clear: both;
  }

  .blog-list__item:nth-child(even) {
      float: right;
  }

  .blog-list__item::before {
      content: '';
      position: absolute;
      width: 16px;
      height: 16px;
      background-color: var(--blog-list-card-background);
      border: 3px solid var(--blog-list-primary-color);
      border-radius: 50%;
      top: 20px;
      z-index: 2;
      transform: translateX(-50%);
  }

  .blog-list__item:nth-child(odd)::before {
      right: calc(-50% - 2px);
      left: auto;
  }

  .blog-list__item:nth-child(even)::before {
      left: calc(100% + 2px);
      right: auto;
  }
  
  .blog-list__card {
      background-color: var(--blog-list-card-background);
      border-radius: var(--blog-list-border-radius);
      box-shadow: var(--blog-list-shadow);
      padding: var(--blog-list-spacing);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
  }

  .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: var(--blog-list-shadow-hover);
  }

  .blog-list__image-wrapper {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      overflow: hidden;
      border-radius: calc(var(--blog-list-border-radius) - 2px);
      margin-bottom: var(--blog-list-spacing);
      background-color: #333;
  }

  .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      border-radius: calc(var(--blog-list-border-radius) - 2px);
  }

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

  .blog-list__title {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      color: var(--blog-list-secondary-color);
      line-height: 1.3;
  }

  .blog-list__title-link {
      color: var(--blog-list-secondary-color);
      text-decoration: none;
      transition: color 0.3s ease;
  }

  .blog-list__title-link:hover {
      color: var(--blog-list-primary-color);
  }

  .blog-list__summary {
      font-size: 0.9em;
      color: var(--blog-list-text-color-light);
      margin-bottom: 15px;
      overflow: hidden;
      text-overflow: ellipsis;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      flex-grow: 1;
  }

  .blog-list__meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
      padding-top: 10px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .blog-list__date {
      font-size: 0.8em;
      color: var(--blog-list-text-color-muted);
  }

  .blog-list__read-more {
      display: inline-block;
      background-color: var(--blog-list-primary-color);
      color: var(--blog-list-background-color);
      padding: 8px 16px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease, color 0.3s ease;
  }

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

  .blog-list__item:nth-child(odd) .blog-list__card {
      margin-right: var(--blog-list-spacing);
  }

  .blog-list__item:nth-child(even) .blog-list__card {
      margin-left: var(--blog-list-spacing);
  }

  @media (max-width: 1024px) {
      .blog-list__timeline::before {
          left: var(--blog-list-spacing);
          transform: translateX(0);
      }

      .blog-list__item {
          width: 100%;
          float: none;
          clear: both;
          padding-left: calc(var(--blog-list-spacing) * 2 + 10px);
      }

      .blog-list__item::before {
          left: var(--blog-list-spacing);
          transform: translateX(0);
          top: 0;
      }

      .blog-list__item:nth-child(odd)::before,
      .blog-list__item:nth-child(even)::before {
          left: var(--blog-list-spacing);
          right: auto;
      }

      .blog-list__item:nth-child(odd) .blog-list__card,
      .blog-list__item:nth-child(even) .blog-list__card {
          margin-left: 0;
          margin-right: 0;
      }
      
      .blog-list__card {
          margin-top: 0;
      }

      .blog-list__item::before {
          top: 20px;
      }
  }

  @media (max-width: 768px) {
      .blog-list__heading {
          font-size: 2em;
      }
      .blog-list {
          padding-left: 15px;
          padding-right: 15px;
      }
      .blog-list__item {
          padding-left: calc(var(--blog-list-spacing) + 20px);
      }
      .blog-list__timeline::before,
      .blog-list__item::before {
          left: 15px;
      }
  }

  @media (max-width: 480px) {
      .blog-list__heading {
          font-size: 1.8em;
      }
      .blog-list__title {
          font-size: 1.1em;
      }
      .blog-list__summary {
          font-size: 0.85em;
      }
      .blog-list__read-more {
          padding: 6px 12px;
          font-size: 0.85em;
      }
  }