:root {
      --color-primary: #007bff;
      --color-accent: #ffc107;
      --color-text-dark: #222222;
      --color-text-light: #ffffff;
      --color-background-light: #f5f7fa;
      --color-card-background: #ffffff;
      --header-offset: 120px;
    }

    .blog-list {
      padding-top: var(--header-offset);
      background-color: var(--color-background-light);
      min-height: 100vh;
      padding-bottom: 40px;
    }

    .blog-list__timeline-section {
      max-width: 1000px;
      margin: 0 auto;
      padding: 20px 15px;
    }

    .blog-list__main-title {
      font-size: 2.5em;
      color: var(--color-text-dark);
      text-align: center;
      margin-bottom: 15px;
      font-weight: bold;
      line-height: 1.2;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: #666666;
      text-align: center;
      margin-bottom: 40px;
      line-height: 1.6;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

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

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

    .blog-list__timeline-item {
      display: flex;
      justify-content: center;
      margin-bottom: 40px;
      position: relative;
    }

    .blog-list__timeline-marker {
      position: absolute;
      left: 50%;
      top: 0;
      width: 20px;
      height: 20px;
      background-color: var(--color-accent);
      border: 3px solid var(--color-card-background);
      border-radius: 50%;
      transform: translateX(-50%);
      z-index: 1;
    }

    .blog-list__timeline-content {
      width: 100%;
      max-width: 450px;
      padding: 0 20px;
      box-sizing: border-box;
      position: relative;
    }

    .blog-list__timeline-date {
      position: absolute;
      top: -30px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--color-accent);
      color: var(--color-text-dark);
      padding: 5px 15px;
      border-radius: 5px;
      font-size: 0.9em;
      font-weight: bold;
      white-space: nowrap;
      z-index: 2;
    }

    .blog-list__card {
      background-color: var(--color-card-background);
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      position: relative;
      margin-top: 10px;
    }

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

    .blog-list__card-link {
      text-decoration: none;
      color: inherit;
      display: block;
    }

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

    .blog-list__card-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

    .blog-list__card-body {
      padding: 20px;
    }

    .blog-list__card-title {
      font-size: 1.25em;
      font-weight: bold;
      color: var(--color-text-dark);
      margin-bottom: 10px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__card-summary {
      font-size: 0.95em;
      color: #666666;
      margin-bottom: 15px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__read-more {
      display: inline-block;
      font-size: 0.9em;
      color: var(--color-primary);
      font-weight: bold;
      transition: color 0.3s ease;
    }

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

    @media (min-width: 768px) {
      .blog-list__main-title {
        font-size: 3em;
      }

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

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        text-align: right;
        margin-right: calc(50% + 20px);
        margin-left: auto;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        text-align: left;
        margin-left: calc(50% + 20px);
        margin-right: auto;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date {
        left: auto;
        right: calc(50% + 20px);
        transform: translateX(50%);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
        left: calc(50% + 20px);
        right: auto;
        transform: translateX(-50%);
      }
    }

    @media (max-width: 767px) {
      .blog-list__main-title {
        font-size: 2em;
      }

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

      .blog-list__timeline-container::before {
        left: 20px;
        transform: translateX(0);
      }

      .blog-list__timeline-item {
        justify-content: flex-start;
      }

      .blog-list__timeline-marker {
        left: 20px;
        transform: translateX(-50%);
      }

      .blog-list__timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px;
        padding: 0;
      }

      .blog-list__timeline-date {
        left: 20px;
        transform: translateX(-50%);
        top: -30px;
        text-align: center;
        width: auto;
      }

      .blog-list__card-body {
        padding: 15px;
      }

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

      .blog-list__card-summary {
        font-size: 0.9em;
      }

      .blog-list__read-more {
        font-size: 0.85em;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline-section {
        padding: 40px 20px;
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-right: calc(50% + 40px);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: calc(50% + 40px);
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date {
        right: calc(50% + 40px);
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
        left: calc(50% + 40px);
      }
    }