:root {
      --primary-color: #0056b3;
      --text-color-dark: #333333;
      --text-color-medium: #6c757d;
      --background-color-light: #f8f9fa;
      --card-background-color: #ffffff;
      --border-color: #e9ecef;
      --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.08);
      --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
      --header-offset: 120px;
    }

    .blog-list {
      padding-top: var(--header-offset);
      padding-bottom: 40px;
      background-color: var(--background-color-light);
      font-family: 'Arial', sans-serif;
      color: var(--text-color-dark);
      line-height: 1.6;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

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

    .blog-list__title {
      font-size: 2.5em;
      color: var(--text-color-dark);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-color-medium);
      max-width: 800px;
      margin: 0 auto;
    }

    .blog-list__timeline {
      position: relative;
      padding: 20px 0;
    }

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

    .blog-list__item {
      position: relative;
      margin-bottom: 30px;
      padding-left: 60px;
    }

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

    .blog-list__date-marker {
      position: absolute;
      left: 10px;
      top: 20px;
      width: 14px;
      height: 14px;
      background-color: var(--primary-color);
      border-radius: 50%;
      z-index: 1;
      transform: translateY(-50%);
      box-shadow: 0 0 0 3px var(--background-color-light);
    }
    
    .blog-list__date-text {
        display: none;
    }

    .blog-list__card {
      background-color: var(--card-background-color);
      border-radius: 10px;
      box-shadow: var(--shadow-light);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      border: 1px solid var(--border-color);
    }

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

    .blog-list__image-wrapper {
      width: 100%;
      padding-top: 56.25%;
      position: relative;
      overflow: hidden;
      background-color: #e0e0e0;
    }

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

    .blog-list__card-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .blog-list__card-title {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.3;
    }

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

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

    .blog-list__card-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;
      flex-grow: 1;
    }

    .blog-list__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85em;
      color: var(--text-color-medium);
      margin-top: auto;
      padding-top: 15px;
      border-top: 1px solid var(--border-color);
    }

    .blog-list__card-date {
      white-space: nowrap;
    }

    .blog-list__read-more {
      display: inline-block;
      padding: 8px 15px;
      background-color: var(--primary-color);
      color: var(--card-background-color);
      text-decoration: none;
      border-radius: 5px;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      white-space: nowrap;
    }

    .blog-list__read-more:hover {
      background-color: #004494;
    }

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

      .blog-list__item {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        padding-left: 0;
        position: relative;
      }

      .blog-list__item:nth-child(odd) {
        flex-direction: row-reverse;
        padding-right: calc(50% + 50px);
        padding-left: 0;
      }

      .blog-list__item:nth-child(even) {
        padding-left: calc(50% + 50px);
        padding-right: 0;
      }

      .blog-list__date-marker {
        left: 50%;
        transform: translateX(-50%) translateY(-50%);
        top: 20px;
      }
      
      .blog-list__date-text {
          display: block;
          position: absolute;
          top: 20px;
          font-size: 0.85em;
          color: var(--text-color-medium);
          white-space: nowrap;
          transform: translateY(-50%);
      }
      .blog-list__item:nth-child(odd) .blog-list__date-text {
          right: calc(50% + 25px);
          left: auto;
          text-align: right;
      }
      .blog-list__item:nth-child(even) .blog-list__date-text {
          left: calc(50% + 25px);
          right: auto;
          text-align: left;
      }

      .blog-list__card {
        width: 45%;
        max-width: 450px;
      }

      .blog-list__item:nth-child(odd) .blog-list__card {
        margin-left: auto;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        padding-left: 0;
        padding-right: 0;
      }

      .blog-list__timeline::before {
        display: none;
      }

      .blog-list__item {
        padding-left: 0;
        margin-bottom: 0;
        display: block;
        width: auto;
      }
      
      .blog-list__item:nth-child(odd),
      .blog-list__item:nth-child(even) {
        padding-left: 0;
        padding-right: 0;
        flex-direction: column;
      }

      .blog-list__date-marker,
      .blog-list__date-text {
          display: none;
      }

      .blog-list__card {
        width: 100%;
        max-width: none;
      }
    }