:root {
      --primary-color: #7b00e0; 
      --secondary-color: #5a00a8; 
      --text-color-dark: #333;
      --text-color-medium: #666;
      --text-color-light: #777; 
      --background-light: #f8f8f8;
      --card-background: #ffffff;
      --border-color: #eee;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
      --border-radius-card: 10px;
      --spacing-medium: 20px;
      --spacing-large: 30px;
      --header-offset: 120px; 
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      color: var(--text-color-dark);
      background-color: var(--background-light);
      padding-top: var(--header-offset, 120px);
      padding-bottom: var(--spacing-large);
      min-height: 100vh;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-medium);
    }

    .blog-list__title {
      text-align: center;
      color: var(--primary-color);
      margin-bottom: var(--spacing-large);
      font-size: 2.5em;
      font-weight: bold;
      line-height: 1.2;
    }

    .blog-list__description {
      text-align: center;
      margin-bottom: var(--spacing-large);
      color: var(--text-color-medium);
      font-size: 1.1em;
      line-height: 1.6;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 20px;
      width: 4px;
      background-color: var(--border-color);
      z-index: 1;
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: var(--spacing-large);
      display: flex;
      align-items: flex-start;
    }

    .blog-list__timeline-dot {
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border-radius: 50%;
      position: absolute;
      left: 13px;
      top: 0;
      z-index: 2;
      border: 3px solid var(--card-background);
      box-shadow: 0 0 0 2px var(--primary-color);
    }

    .blog-list__timeline-content {
      background-color: var(--card-background);
      border-radius: var(--border-radius-card);
      box-shadow: 0 4px 12px var(--shadow-light);
      padding: var(--spacing-medium);
      margin-left: 60px;
      flex-grow: 1;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: calc(100% - 60px);
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--shadow-hover);
    }

    .blog-list__item-date {
      font-size: 0.85em;
      color: var(--text-color-light);
      margin-bottom: 10px;
      display: block;
      font-weight: bold;
    }

    .blog-list__item-image {
      width: 100%;
      height: 200px;
      border-radius: var(--border-radius-card);
      margin-bottom: 15px;
      overflow: hidden;
      display: block;
    }

    .blog-list__item-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      border-radius: var(--border-radius-card);
    }

    .blog-list__item-title {
      font-size: 1.3em;
      font-weight: bold;
      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;
    }

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

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

    .blog-list__item-read-more {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--card-background);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.95em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      margin-top: 10px;
    }

    .blog-list__item-read-more:hover {
      background-color: var(--secondary-color);
      transform: translateY(-2px);
    }

    @media (min-width: 768px) {
      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-2px);
      }

      .blog-list__timeline-item {
        margin-bottom: calc(var(--spacing-large) * 1.5);
        justify-content: center;
      }

      .blog-list__timeline-dot {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__timeline-content {
        width: calc(50% - var(--spacing-large));
        margin-left: 0;
        padding: var(--spacing-large);
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: calc(50% + var(--spacing-large) / 2);
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: calc(50% + var(--spacing-large) / 2);
        text-align: left;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__item-date {
        text-align: right;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__item-date {
        text-align: left;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__item-image {
        margin-left: auto;
        margin-right: 0;
      }

      .blog-list__item-image {
        height: 250px;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__item-image {
        height: 300px;
      }
      .blog-list__timeline-content {
        width: calc(40% - var(--spacing-large));
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: calc(60% + var(--spacing-large) / 2);
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: calc(60% + var(--spacing-large) / 2);
      }
    }