:root {
      --primary-color: #e44d26;
      --secondary-color: #333;
      --background-color: #f8f8f8;
      --card-background: #ffffff;
      --text-color-dark: #333;
      --text-color-medium: #666;
      --text-color-light: #999;
      --border-color: #eee;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
      --header-offset: 120px;
    }

    body {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--text-color-dark);
      margin: 0;
      background-color: var(--background-color);
    }

    .blog-list {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--header-offset, 120px) 20px 40px;
      background-color: var(--background-color);
    }

    .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;
      line-height: 1.2;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-color-medium);
      line-height: 1.6;
      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: 50%;
      width: 4px;
      background-color: var(--border-color);
      transform: translateX(-50%);
      z-index: 0;
    }

    .blog-list__timeline-item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 50px;
      position: relative;
      z-index: 1;
      align-items: center;
    }

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

    .blog-list__timeline-item-content {
      width: calc(50% - 40px);
      background-color: var(--card-background);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--shadow-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
      border: 1px solid var(--border-color);
    }

    .blog-list__timeline-item-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--shadow-hover);
    }

    .blog-list__timeline-item-content::before {
      content: '';
      position: absolute;
      top: 30px;
      width: 0;
      height: 0;
      border-style: solid;
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-item-content::before {
      right: -16px;
      border-width: 10px 0 10px 16px;
      border-color: transparent transparent transparent var(--card-background);
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-item-content::before {
      left: -16px;
      border-width: 10px 16px 10px 0;
      border-color: transparent var(--card-background) transparent transparent;
    }

    .blog-list__timeline-date-wrapper {
      width: 80px;
      text-align: center;
      position: relative;
    }

    .blog-list__timeline-date-wrapper::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border-radius: 50%;
      border: 4px solid var(--card-background);
      z-index: 1;
    }

    .blog-list__timeline-date {
      font-size: 0.9em;
      color: var(--text-color-dark);
      font-weight: bold;
      position: relative;
      z-index: 2;
      display: block;
      margin-top: -10px;
    }

    .blog-list__cover-image {
      width: 100%;
      height: auto;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      aspect-ratio: 16 / 9;
    }

    .blog-list__item-title {
      font-size: 1.4em;
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.3;
    }

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

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

    .blog-list__item-summary {
      font-size: 0.95em;
      color: var(--text-color-medium);
      line-height: 1.6;
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--primary-color);
      color: #fff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      font-size: 0.9em;
    }

    .blog-list__read-more:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    @media (max-width: 1024px) {
      .blog-list__timeline::before {
        left: 20px;
        transform: none;
      }

      .blog-list__timeline-item {
        flex-direction: column;
        align-items: flex-start;
      }

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

      .blog-list__timeline-item-content {
        width: calc(100% - 40px);
        margin-left: 40px;
        margin-bottom: 20px;
      }

      .blog-list__timeline-item-content::before {
        left: -16px;
        right: auto;
        border-width: 10px 16px 10px 0;
        border-color: transparent var(--card-background) transparent transparent;
      }

      .blog-list__timeline-date-wrapper {
        width: auto;
        padding-left: 40px;
        text-align: left;
        margin-bottom: 10px;
      }

      .blog-list__timeline-date-wrapper::before {
        left: 20px;
        transform: translateY(-50%);
      }
      .blog-list__timeline-date {
        margin-top: 0;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding-left: 15px;
        padding-right: 15px;
      }

      .blog-list__title {
        font-size: 2em;
      }

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

      .blog-list__timeline::before {
        left: 15px;
      }

      .blog-list__timeline-item-content {
        width: calc(100% - 30px);
        margin-left: 30px;
        padding: 20px;
      }

      .blog-list__timeline-item-content::before {
        left: -16px;
      }

      .blog-list__timeline-date-wrapper {
        padding-left: 30px;
      }

      .blog-list__timeline-date-wrapper::before {
        left: 15px;
      }
    }

    @media (max-width: 480px) {
      .blog-list__title {
        font-size: 1.8em;
      }

      .blog-list__item-title {
        font-size: 1.2em;
      }

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