:root {
      --blog-list-primary-color: #2a3a4c;
      --blog-list-accent-color: #FFD700;
      --blog-list-text-color: #333333;
      --blog-list-light-text-color: #666666;
      --blog-list-date-color: #999999;
      --blog-list-background-color: #f8f8f8;
      --blog-list-card-background: #ffffff;
      --blog-list-border-color: #e0e0e0;
      --blog-list-shadow: rgba(0, 0, 0, 0.08);
      --blog-list-hover-shadow: rgba(0, 0, 0, 0.15);
      --blog-list-border-radius: 12px;
      --blog-list-spacing-medium: 20px;
      --blog-list-spacing-large: 30px;
    }

    .blog-list {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--blog-list-text-color);
      background-color: var(--blog-list-background-color);
      padding-bottom: 50px;
    }

    .blog-list__hero {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--blog-list-primary-color);
      color: #ffffff;
      text-align: center;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--blog-list-spacing-medium);
    }

    .blog-list__main-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: #ffffff;
      font-weight: bold;
    }

    .blog-list__description {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto;
      color: #e0e0e0;
    }

    .blog-list__timeline-section {
      padding: var(--blog-list-spacing-large) 0;
    }

    .blog-list__timeline-container {
      max-width: 1000px;
      margin: 0 auto;
      position: relative;
      padding: 0 var(--blog-list-spacing-medium);
    }

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

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: var(--blog-list-spacing-large);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

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

    .blog-list__timeline-dot {
      position: absolute;
      width: 20px;
      height: 20px;
      background-color: var(--blog-list-accent-color);
      border-radius: 50%;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      z-index: 1;
      border: 4px solid var(--blog-list-background-color);
    }

    .blog-list__timeline-content {
      width: calc(50% - var(--blog-list-spacing-medium));
      background-color: var(--blog-list-card-background);
      border-radius: var(--blog-list-border-radius);
      box-shadow: 0 4px 12px var(--blog-list-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding: var(--blog-list-spacing-medium);
    }

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

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
      margin-right: auto;
    }

    .blog-list__timeline-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px var(--blog-list-hover-shadow);
    }

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

    .blog-list__image-wrapper {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      border-radius: calc(var(--blog-list-border-radius) - 4px);
      margin-bottom: 15px;
    }

    .blog-list__item-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .blog-list__item-link:hover .blog-list__item-image {
      transform: scale(1.05);
    }

    .blog-list__text-content {
      padding: 0;
    }

    .blog-list__item-title {
      font-size: 1.25em;
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--blog-list-primary-color);
      line-height: 1.3;
    }

    .blog-list__item-title:hover {
      color: var(--blog-list-accent-color);
    }

    .blog-list__item-summary {
      font-size: 0.95em;
      color: var(--blog-list-light-text-color);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__item-date {
      font-size: 0.85em;
      color: var(--blog-list-date-color);
      display: block;
      margin-bottom: 15px;
    }

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

    .blog-list__read-more:hover {
      background-color: #e6b800;
      color: #ffffff;
    }

    @media (max-width: 1024px) {
      .blog-list__main-title {
        font-size: 2em;
      }

      .blog-list__timeline-line {
        left: var(--blog-list-spacing-medium);
        transform: translateX(0);
      }

      .blog-list__timeline-dot {
        left: var(--blog-list-spacing-medium);
        transform: translateX(-50%);
      }

      .blog-list__timeline-item,
      .blog-list__timeline-item:nth-child(odd) {
        flex-direction: row;
        justify-content: flex-start;
      }

      .blog-list__timeline-content {
        width: calc(100% - 2 * var(--blog-list-spacing-medium) - 10px);
        margin-left: calc(var(--blog-list-spacing-medium) + 20px + 10px);
        margin-right: 0;
      }
      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
        margin-left: calc(var(--blog-list-spacing-medium) + 20px + 10px);
      }
    }

    @media (max-width: 768px) {
      .blog-list__main-title {
        font-size: 1.8em;
      }

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

      .blog-list__timeline-content {
        width: calc(100% - var(--blog-list-spacing-large) - 20px);
        margin-left: calc(var(--blog-list-spacing-medium) + 20px + 10px);
      }
      
      .blog-list__hero {
        padding-bottom: 30px;
      }
    }

    @media (max-width: 480px) {
      .blog-list__main-title {
        font-size: 1.5em;
      }

      .blog-list__description {
        font-size: 0.9em;
      }

      .blog-list__timeline-content {
        padding: calc(var(--blog-list-spacing-medium) / 1.5);
        margin-left: calc(var(--blog-list-spacing-medium) + 20px + 5px);
      }
      
      .blog-list__item-title {
        font-size: 1.1em;
      }
      
      .blog-list__item-summary {
        font-size: 0.85em;
      }
      
      .blog-list__read-more {
        padding: 6px 12px;
        font-size: 0.8em;
      }
    }