:root {
      --primary-color: #CC9900; 
      --primary-color-hover: #A37A00; 
      --text-color-dark: #333333; 
      --text-color-medium: #666666; 
      --text-color-light: #777777; 
      --background-light: #f8f8f8;
      --card-background: #ffffff;
      --border-color: #e0e0e0;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
      --header-offset: 120px; 
    }

    .blog-list__main-section {
      padding-top: var(--header-offset);
      background-color: var(--background-light);
      padding-bottom: 40px;
      font-family: Arial, sans-serif;
      color: var(--text-color-dark);
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .blog-list__title {
      text-align: center;
      font-size: 2.2em;
      margin-bottom: 40px;
      color: var(--primary-color);
      font-weight: bold;
      line-height: 1.2;
    }

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

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

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

    .blog-list__item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 60px;
      position: relative;
      align-items: flex-start;
    }

    .blog-list__item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .blog-list__item-date-marker {
      width: 100px;
      text-align: center;
      position: absolute;
      left: 50%;
      top: 0;
      transform: translateX(-50%);
      z-index: 1;
      font-size: 0.9em;
      color: var(--text-color-light);
      background-color: var(--background-light);
      padding: 5px 10px;
      border-radius: 5px;
      border: 1px solid var(--border-color);
      font-weight: bold;
      white-space: nowrap; 
    }

    .blog-list__item-content {
      width: calc(50% - 70px); 
      background-color: var(--card-background);
      border-radius: 12px;
      box-shadow: 0 4px 15px var(--shadow-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding: 25px;
      position: relative;
      z-index: 1;
      border: 1px solid var(--border-color);
    }

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

    .blog-list__item-content::after {
      content: '';
      position: absolute;
      top: 20px;
      width: 0;
      height: 0;
      border-style: solid;
      z-index: 1;
    }

    .blog-list__item:nth-child(odd) .blog-list__item-content::after {
      right: -18px;
      border-width: 10px 0 10px 18px;
      border-color: transparent transparent transparent var(--card-background);
    }

    .blog-list__item:nth-child(even) .blog-list__item-content::after {
      left: -18px;
      border-width: 10px 18px 10px 0;
      border-color: transparent var(--card-background) transparent transparent;
    }

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 15px;
    }

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

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

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

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

    .blog-list__card-summary {
      font-size: 1em; 
      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__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 15px;
      border-top: 1px solid var(--border-color);
      padding-top: 15px;
    }

    .blog-list__card-date {
      font-size: 0.85em; 
      color: var(--text-color-light);
      font-weight: bold;
    }

    .blog-list__read-more-link {
      display: inline-block;
      padding: 8px 18px;
      background-color: var(--primary-color);
      color: var(--card-background);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease;
      font-size: 0.9em;
    }

    .blog-list__read-more-link:hover {
      background-color: var(--primary-color-hover);
    }

    
    @media (max-width: 1024px) {
      .blog-list__timeline-wrapper::before {
        left: 20px; 
        transform: translateX(0);
      }

      .blog-list__item {
        flex-direction: column; 
        align-items: flex-start;
        margin-bottom: 40px;
      }

      .blog-list__item:nth-child(even) {
        flex-direction: column; 
      }

      .blog-list__item-date-marker {
        left: 20px;
        transform: translateX(0);
        margin-left: 20px; 
        position: relative; 
        margin-bottom: 20px;
        top: auto;
      }

      .blog-list__item-content {
        width: calc(100% - 40px); 
        margin-left: 40px; 
        padding: 20px;
      }

      .blog-list__item-content::after {
        left: -18px;
        right: auto;
        border-width: 10px 18px 10px 0;
        border-color: transparent var(--card-background) transparent transparent;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-content::after {
        border-color: transparent var(--card-background) transparent transparent;
      }

      .blog-list__item:nth-child(even) .blog-list__item-content::after {
        border-color: transparent var(--card-background) transparent transparent;
      }

      .blog-list__title {
        font-size: 1.8em;
      }

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

    @media (max-width: 768px) {
      .blog-list__container {
        padding: 0 10px;
      }

      .blog-list__main-section {
        padding-bottom: 20px;
      }

      .blog-list__item-content {
        width: calc(100% - 30px);
        margin-left: 30px;
        padding: 15px;
      }

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

      .blog-list__item-date-marker {
        left: 15px;
        margin-left: 15px;
        font-size: 0.8em;
      }

      .blog-list__item-content::after {
        top: 15px;
        left: -15px;
        border-width: 8px 15px 8px 0;
      }

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

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

      .blog-list__read-more-link {
        padding: 6px 15px;
        font-size: 0.85em;
      }
    }