:root {
      --primary-color: #007bff; 
      --text-color: #333; 
      --light-text-color: #666; 
      --date-color: #999; 
      --background-color: #f8f9fa; 
      --card-background: #fff; 
      --border-color: #eee; 
      --shadow-color: rgba(0, 0, 0, 0.1); 
      --timeline-line-color: #ddd; 
      --header-offset: 120px; 
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--background-color);
      color: var(--text-color);
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      padding-left: 15px;
      padding-right: 15px;
      max-width: 1200px;
      margin: 0 auto;
    }

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

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

    .blog-list__description {
      font-size: 1.1em;
      color: var(--light-text-color);
      max-width: 700px;
      margin: 0 auto;
    }

    .blog-list__timeline {
      position: relative;
      margin-top: 20px;
    }

    .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__item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 40px;
      position: relative;
      z-index: 2;
    }

    .blog-list__item:nth-child(even) {
      flex-direction: row-reverse;
    }

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

    .blog-list__item-content {
      width: calc(50% - 40px);
      background-color: var(--card-background);
      border-radius: 10px;
      box-shadow: 0 4px 12px var(--shadow-color);
      padding: 25px;
      transition: all 0.3s ease;
      position: relative;
    }

    .blog-list__item-content:hover {
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      transform: translateY(-5px);
    }

    .blog-list__item:nth-child(odd) .blog-list__item-content {
      margin-right: 40px;
    }

    .blog-list__item:nth-child(even) .blog-list__item-content {
      margin-left: 40px;
    }

    .blog-list__image-wrapper {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 15px;
      background-color: var(--border-color);
    }

    .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .blog-list__item-title {
      font-size: 1.25em; 
      font-weight: bold;
      margin-bottom: 10px;
      color: var(--text-color);
    }

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

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

    .blog-list__summary {
      font-size: 0.95em; 
      color: var(--light-text-color);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__date {
      font-size: 0.85em; 
      color: var(--date-color);
      display: block;
      margin-bottom: 15px;
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--card-background);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

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

    @media (max-width: 1024px) {
      .blog-list__timeline::before {
        left: 30px;
        transform: translateX(0);
      }

      .blog-list__item {
        justify-content: flex-start;
      }

      .blog-list__item:nth-child(even) {
        flex-direction: row;
      }

      .blog-list__item-point {
        left: 30px;
        transform: translateX(-50%);
      }

      .blog-list__item-content {
        width: calc(100% - 90px);
        margin-left: 60px;
        margin-right: 0;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-content {
        margin-right: 0;
      }

      .blog-list__item:nth-child(even) .blog-list__item-content {
        margin-left: 60px;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding-left: 10px;
        padding-right: 10px;
      }

      .blog-list__header {
        margin-bottom: 30px;
      }

      .blog-list__title {
        font-size: 2em;
      }

      .blog-list__description {
        font-size: 1em;
      }

      .blog-list__timeline::before {
        left: 20px;
      }

      .blog-list__item-point {
        left: 20px;
      }

      .blog-list__item-content {
        width: calc(100% - 70px);
        margin-left: 50px;
        padding: 20px;
      }

      .blog-list__item:nth-child(even) .blog-list__item-content {
        margin-left: 50px;
      }

      .blog-list__item-title {
        font-size: 1.1em;
      }

      .blog-list__summary {
        font-size: 0.9em;
      }

      .blog-list__read-more {
        padding: 8px 15px;
        font-size: 0.85em;
      }
    }