:root {
      --primary-color: #FFD700;
      --secondary-color: #007bff;
      --text-color-dark: #333;
      --text-color-light: #fff;
      --background-light: #f8f9fa;
      --background-dark: #1a1a1a;
      --card-background: #ffffff;
      --card-shadow: rgba(0, 0, 0, 0.1);
      --card-hover-shadow: rgba(0, 0, 0, 0.2);
      --border-radius-base: 8px;
      --spacing-medium: 20px;
      --spacing-large: 30px;
    }

    .blog-list__title,
    .blog-list__item-title-link {
      color: var(--text-color-dark);
    }
    .blog-list__item-summary {
      color: #666;
    }
    .blog-list__item-date {
      color: #777; 
    }
    .blog-list__item-read-more {
      color: var(--text-color-light);
    }
    
    .blog-list {
      padding: var(--spacing-large) 0;
      padding-top: var(--header-offset, 120px);
      max-width: 1200px;
      margin: 0 auto;
      font-family: 'Helvetica Neue', Arial, sans-serif;
      background-color: var(--background-light);
      position: relative;
    }

    .blog-list__container {
      position: relative;
      padding: 0 var(--spacing-medium);
    }

    .blog-list__timeline-line {
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 4px;
      background-color: var(--primary-color);
      transform: translateX(-50%);
      z-index: 1;
      display: none;
    }

    .blog-list__section-title {
      text-align: center;
      font-size: 2.5em;
      color: var(--text-color-dark);
      margin-bottom: var(--spacing-large);
      font-weight: bold;
      padding: 0 var(--spacing-medium);
    }

    .blog-list__grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--spacing-large);
      position: relative;
      z-index: 2;
    }

    .blog-list__item {
      background-color: var(--card-background);
      border-radius: var(--border-radius-base);
      box-shadow: 0 4px 8px var(--card-shadow);
      transition: all 0.3s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .blog-list__item:hover {
      box-shadow: 0 8px 16px var(--card-hover-shadow);
      transform: translateY(-5px);
    }

    .blog-list__item-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-top-left-radius: var(--border-radius-base);
      border-top-right-radius: var(--border-radius-base);
      display: block;
    }

    .blog-list__item-content {
      padding: var(--spacing-medium);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .blog-list__item-title {
      font-size: 1.25em;
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__item-title-link {
      color: var(--text-color-dark);
      text-decoration: none;
      transition: color 0.3s ease;
      display: block;
    }

    .blog-list__item-title-link:hover {
      color: var(--primary-color);
    }

    .blog-list__item-summary {
      font-size: 0.9em;
      color: #666;
      margin-bottom: 15px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      flex-grow: 1;
    }

    .blog-list__item-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
      padding-top: 10px;
      border-top: 1px solid #eee;
    }

    .blog-list__item-date {
      font-size: 0.8em;
      color: #777;
    }

    .blog-list__item-read-more {
      display: inline-block;
      padding: 8px 15px;
      background-color: var(--secondary-color);
      color: var(--text-color-light);
      text-decoration: none;
      border-radius: 5px;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

    .blog-list__item-read-more:hover {
      background-color: #0056b3;
    }

    @media (min-width: 768px) {
      .blog-list__timeline-line {
        display: block;
      }

      .blog-list__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-large) var(--spacing-medium);
      }

      .blog-list__item {
        margin-bottom: var(--spacing-medium);
      }

      .blog-list__item:nth-child(odd) {
        margin-right: calc(50% + var(--spacing-medium) / 2);
        text-align: right;
      }
      .blog-list__item:nth-child(odd) .blog-list__item-content {
        align-items: flex-end;
      }
      .blog-list__item:nth-child(odd) .blog-list__item-image {
        border-top-left-radius: 0;
        border-top-right-radius: var(--border-radius-base);
      }
      .blog-list__item:nth-child(odd) .blog-list__item-read-more {
        margin-left: auto;
      }

      .blog-list__item:nth-child(even) {
        margin-left: calc(50% + var(--spacing-medium) / 2);
        text-align: left;
      }
      .blog-list__item:nth-child(even) .blog-list__item-content {
        align-items: flex-start;
      }
      .blog-list__item:nth-child(even) .blog-list__item-image {
        border-top-left-radius: var(--border-radius-base);
        border-top-right-radius: 0;
      }
      .blog-list__item:nth-child(even) .blog-list__item-read-more {
        margin-right: auto;
      }

      .blog-list__item::after {
        content: '';
        position: absolute;
        width: 16px;
        height: 16px;
        background-color: var(--primary-color);
        border: 4px solid var(--background-light);
        border-radius: 50%;
        top: 30px;
        z-index: 3;
        transform: translateY(-50%);
      }

      .blog-list__item:nth-child(odd)::after {
        right: calc(50% - 8px - var(--spacing-medium) / 2);
      }

      .blog-list__item:nth-child(even)::after {
        left: calc(50% - 8px - var(--spacing-medium) / 2);
      }
    }

    @media (min-width: 1024px) {
      .blog-list__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-large);
      }

      .blog-list__timeline-line {
        display: none;
      }
      
      .blog-list__item {
        margin: 0;
        text-align: left;
      }
      .blog-list__item-content {
        align-items: flex-start;
      }
      .blog-list__item-image {
        border-radius: var(--border-radius-base) var(--border-radius-base) 0 0;
      }
      .blog-list__item-read-more {
        margin: 0;
      }
      .blog-list__item::after {
        display: none;
      }
    }

    @media (max-width: 767px) {
      .blog-list__section-title {
        font-size: 2em;
      }
      .blog-list__item-image {
        height: 180px;
      }
      .blog-list__item-title {
        font-size: 1.15em;
      }
      .blog-list__item-summary {
        font-size: 0.85em;
      }
      .blog-list__item-read-more {
        padding: 6px 12px;
        font-size: 0.85em;
      }
    }