:root {
      --primary-color: #007bff;
      --secondary-color: #6c757d;
      --text-dark: #333333;
      --text-medium: #666666;
      --text-light: #999999;
      --background-light: #f8f8f8;
      --border-color: #e0e0e0;
      --card-shadow-light: rgba(0, 0, 0, 0.08);
      --card-shadow-hover: rgba(0, 0, 0, 0.15);
      --header-offset: 120px;
    }

    .blog-list {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      background-color: var(--background-light);
      padding-top: var(--header-offset);
    }

    .blog-list__hero {
      background-color: #1a2a3a;
      color: #ffffff;
      padding: 60px 20px;
      text-align: center;
      margin-bottom: 40px;
    }

    .blog-list__hero-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: #ffffff;
      font-weight: bold;
    }

    .blog-list__hero-description {
      font-size: 1em;
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.8;
      color: #e0e0e0;
    }

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

    .blog-list__container {
      position: relative;
      padding: 0 15px;
    }

    .blog-list__container::before {
      content: '';
      position: absolute;
      top: 0;
      left: 15px;
      width: 2px;
      background-color: var(--border-color);
      height: 100%;
      z-index: 0;
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 40px;
      padding-left: 40px;
    }

    .blog-list__timeline-badge {
      position: absolute;
      left: 10px;
      top: 0;
      width: 12px;
      height: 12px;
      background-color: var(--primary-color);
      border-radius: 50%;
      z-index: 1;
      border: 2px solid #ffffff;
    }

    .blog-list__timeline-content {
      background-color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 4px 12px var(--card-shadow-light);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: 100%;
    }

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

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

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

    .blog-list__timeline-text-content {
      padding: 20px;
    }

    .blog-list__title {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

    .blog-list__summary {
      font-size: 0.95em;
      color: var(--text-medium);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      line-height: 1.5;
    }

    .blog-list__meta {
      margin-bottom: 15px;
    }

    .blog-list__date {
      font-size: 0.85em;
      color: var(--text-light);
      display: block;
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--primary-color);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

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

    @media (min-width: 768px) {
      .blog-list__hero {
        padding: 80px 30px;
      }
      .blog-list__hero-title {
        font-size: 3em;
      }
      .blog-list__hero-description {
        font-size: 1.2em;
      }

      .blog-list__container {
        padding: 0 40px;
      }

      .blog-list__container::before {
        left: 50%;
        transform: translateX(-1px);
      }

      .blog-list__timeline-item {
        margin-bottom: 60px;
        width: 50%;
        padding: 0;
      }

      .blog-list__timeline-item:nth-child(odd) {
        float: left;
        padding-right: 40px;
      }

      .blog-list__timeline-item:nth-child(even) {
        float: right;
        padding-left: 40px;
      }

      .blog-list__timeline-badge {
        left: auto;
        right: -33px;
        top: 20px;
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-badge {
        left: -33px;
        right: auto;
      }
      
      .blog-list__timeline-content {
        flex-direction: row;
        min-height: 200px;
      }
      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        text-align: right;
      }
      
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        text-align: left;
      }

      .blog-list__timeline-image-wrapper {
        width: 40%;
        height: auto;
        padding-bottom: 0;
      }
      .blog-list__timeline-image {
        height: 100%;
      }
      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-image-wrapper {
        order: 2;
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-image-wrapper {
        order: 1;
      }

      .blog-list__timeline-text-content {
        width: 60%;
        padding: 20px;
        display: flex;
        flex-direction: column;
        justify-content: center;
      }
      
      .blog-list__timeline-item:nth-child(odd) .blog-list__title-link,
      .blog-list__timeline-item:nth-child(odd) .blog-list__summary,
      .blog-list__timeline-item:nth-child(odd) .blog-list__meta,
      .blog-list__timeline-item:nth-child(odd) .blog-list__read-more {
        margin-left: auto;
      }

      .blog-list__title {
        font-size: 1.35em;
      }
      .blog-list__summary {
        font-size: 1em;
      }
      .blog-list__date {
        font-size: 0.9em;
      }
    }

    @media (min-width: 768px) {
      .blog-list__container::after {
        content: "";
        display: table;
        clear: both;
      }
    }

    @media (min-width: 1025px) {
      .blog-list__hero {
        padding: 100px 40px;
      }
      .blog-list__hero-title {
        font-size: 3.5em;
      }
      .blog-list__hero-description {
        font-size: 1.15em;
      }

      .blog-list__timeline-section {
        padding: 40px 0;
      }

      .blog-list__timeline-item {
        margin-bottom: 80px;
      }

      .blog-list__timeline-content {
        min-height: 250px;
      }

      .blog-list__timeline-image-wrapper {
        width: 35%;
      }
      .blog-list__timeline-text-content {
        width: 65%;
        padding: 30px;
      }
      .blog-list__title {
        font-size: 1.5em;
      }
    }