:root {
      --primary-color: #28a745; 
      --secondary-color: #0056b3; 
      --text-dark: #333333;
      --text-medium: #666666;
      --text-light: #999999;
      --bg-light: #ffffff;
      --bg-medium: #f8f8f8;
      --border-color: #e0e0e0;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
    }

    .blog-list {
      padding: 30px 0;
      padding-top: var(--header-offset, 120px);
      font-family: Arial, sans-serif;
      color: var(--text-dark);
      background-color: var(--bg-medium);
    }

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

    .blog-list__heading {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2.5em;
      color: var(--text-dark);
      position: relative;
      padding-bottom: 15px;
    }

    .blog-list__heading::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    .blog-list__description {
      text-align: center;
      margin-bottom: 50px;
      font-size: 1.1em;
      color: var(--text-medium);
      line-height: 1.6;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      left: 50%;
      top: 0;
      transform: translateX(-50%);
      width: 4px;
      height: 100%;
      background-color: var(--border-color);
      z-index: 1;
    }

    .blog-list__timeline-item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 60px;
      position: relative;
      z-index: 2;
    }

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

    .blog-list__timeline-item:nth-child(odd) {
      flex-direction: row-reverse;
    }

    .blog-list__timeline-item-empty {
      flex: 1;
      padding: 0 30px;
    }

    .blog-list__timeline-content {
      flex: 1;
      padding: 0 30px;
      text-align: right;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
      text-align: left;
    }

    .blog-list__timeline-point {
      position: absolute;
      left: 50%;
      top: 20px;
      transform: translateX(-50%);
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border-radius: 50%;
      border: 4px solid var(--bg-medium);
      z-index: 3;
    }

    .blog-list__card {
      background-color: var(--bg-light);
      border-radius: 12px;
      box-shadow: 0 4px 12px var(--shadow-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      border: 1px solid var(--border-color);
    }

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

    .blog-list__card-image-wrapper {
      position: relative;
      width: 100%;
      padding-bottom: 56.25%;
      overflow: hidden;
      background-color: #e9ecef;
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

    .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: 25px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .blog-list__card-title {
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
      color: var(--text-dark);
    }

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

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

    .blog-list__card-summary {
      font-size: 15px;
      color: var(--text-medium);
      line-height: 1.6;
      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;
      margin-top: 15px;
      padding-top: 15px;
      border-top: 1px solid var(--border-color);
    }

    .blog-list__card-date {
      font-size: 13px;
      color: var(--text-light);
      display: flex;
      align-items: center;
    }

    .blog-list__card-date::before {
      content: '📅';
      margin-right: 5px;
    }

    .blog-list__card-link {
      display: inline-block;
      padding: 10px 20px;
      background-color: var(--primary-color);
      color: var(--bg-light);
      text-decoration: none;
      border-radius: 8px;
      font-size: 14px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .blog-list__card-link:hover {
      background-color: var(--secondary-color);
      transform: translateY(-2px);
    }

    @media (max-width: 1024px) {
      .blog-list__heading {
        font-size: 2em;
      }
      .blog-list__timeline::before {
        left: 20px;
        transform: translateX(0);
      }
      .blog-list__timeline-item,
      .blog-list__timeline-item:nth-child(odd) {
        flex-direction: row;
        justify-content: flex-start;
      }
      .blog-list__timeline-item-empty {
        display: none;
      }
      .blog-list__timeline-content {
        padding: 0 0 0 50px;
        text-align: left;
      }
      .blog-list__timeline-point {
        left: 20px;
        transform: translateX(-50%);
      }
      .blog-list__card-title {
        font-size: 18px;
      }
      .blog-list__card-summary {
        font-size: 14px;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding: 20px 0;
        padding-top: var(--header-offset, 120px);
      }
      .blog-list__container {
        padding: 0 15px;
      }
      .blog-list__heading {
        font-size: 1.8em;
        margin-bottom: 30px;
      }
      .blog-list__description {
        font-size: 1em;
        margin-bottom: 40px;
      }
      .blog-list__timeline-item {
        margin-bottom: 40px;
      }
      .blog-list__timeline-content {
        padding: 0 0 0 40px;
      }
      .blog-list__timeline::before {
        left: 15px;
      }
      .blog-list__timeline-point {
        left: 15px;
        width: 16px;
        height: 16px;
        border-width: 3px;
      }
      .blog-list__card-body {
        padding: 20px;
      }
      .blog-list__card-link {
        padding: 8px 15px;
        font-size: 13px;
      }
    }

    @media (max-width: 480px) {
      .blog-list__heading {
        font-size: 1.5em;
      }
      .blog-list__description {
        font-size: 0.9em;
      }
      .blog-list__card-title {
        font-size: 16px;
      }
      .blog-list__card-summary {
        font-size: 13px;
        -webkit-line-clamp: 4;
      }
      .blog-list__card-meta {
        flex-direction: column;
        align-items: flex-start;
      }
      .blog-list__card-link {
        margin-top: 10px;
      }
    }