:root {
      --primary-color: #007bff; 
      --text-color-dark: #2c3e50;
      --text-color-medium: #555;
      --text-color-light: #888;
      --background-light: #f8f9fa;
      --card-background: #ffffff;
      --border-color: #e0e0e0;
      --shadow-color: rgba(0, 0, 0, 0.08);
      --header-offset: 120px; 
    }

    .blog-list {
      padding: var(--header-offset, 120px) 20px 60px;
      max-width: 1200px;
      margin: 0 auto;
      font-family: 'Arial', sans-serif;
      color: var(--text-color-dark);
      line-height: 1.6;
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: 40px;
      padding: 0 15px;
    }

    .blog-list__title {
      font-size: 2.2em;
      color: var(--text-color-dark);
      margin-bottom: 10px;
      font-weight: bold;
      line-height: 1.2;
    }

    .blog-list__description {
      font-size: 1.05em;
      color: var(--text-color-medium);
      max-width: 700px;
      margin: 0 auto;
    }

    .blog-list__timeline {
      position: relative;
      margin-top: 50px;
      padding: 0 15px;
    }

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

    .blog-list__item {
      position: relative;
      margin-bottom: 60px;
      display: flex;
      justify-content: center;
      align-items: flex-start;
    }

    .blog-list__item:last-child {
      margin-bottom: 0;
    }

    .blog-list__item-date {
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--primary-color);
      color: var(--card-background);
      padding: 8px 15px;
      border-radius: 20px;
      font-size: 0.9em;
      font-weight: bold;
      z-index: 2;
      box-shadow: 0 2px 8px var(--shadow-color);
      white-space: nowrap;
    }

    .blog-list__item-card {
      background-color: var(--card-background);
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: 100%;
      max-width: 600px;
      margin-top: 50px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      border: 1px solid var(--border-color);
    }

    .blog-list__item-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .blog-list__item-image-wrapper {
      position: relative;
      width: 100%;
      padding-top: 56.25%; 
      overflow: hidden;
    }

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

    .blog-list__item-content {
      padding: 25px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .blog-list__item-title {
      font-size: 1.4em; 
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .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: 0.95em; 
      color: var(--text-color-medium);
      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;
      margin-top: auto;
      color: var(--primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .blog-list__item-read-more:hover {
      text-decoration: underline;
    }

    @media (min-width: 768px) {
      .blog-list {
        padding-left: 30px;
        padding-right: 30px;
      }

      .blog-list__timeline::before {
        left: 50%;
      }

      .blog-list__item {
        justify-content: flex-start;
        margin-bottom: 80px;
        padding: 0;
      }

      .blog-list__item-card {
        width: calc(50% - 40px);
        margin-top: 0;
        max-width: none;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-card {
        margin-left: auto; 
        margin-right: 20px; 
      }

      .blog-list__item:nth-child(even) .blog-list__item-card {
        margin-right: auto; 
        margin-left: 20px; 
      }

      .blog-list__item-date {
        left: 50%;
        transform: translateX(-50%);
        top: -25px;
      }

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

      .blog-list__item-title {
        font-size: 1.5em;
      }
    }

    @media (min-width: 1024px) {
      .blog-list {
        padding-left: 50px;
        padding-right: 50px;
      }

      .blog-list__title {
        font-size: 2.5em;
      }

      .blog-list__item-title {
        font-size: 1.6em;
      }

      .blog-list__item-card {
        width: calc(50% - 60px);
      }

      .blog-list__item:nth-child(odd) .blog-list__item-card {
        margin-right: 30px;
      }

      .blog-list__item:nth-child(even) .blog-list__item-card {
        margin-left: 30px;
      }
    }