:root {
    --blog-list-bg: #1a1a1a;
    --blog-list-text-primary: #ffffff;
    --blog-list-text-secondary: #cccccc;
    --blog-list-text-tertiary: #999999;
    --blog-list-accent: #FFD700;
    --blog-list-border: #333333;
    --blog-list-card-bg: #282828;
    --blog-list-card-shadow: rgba(0, 0, 0, 0.3);
    --blog-list-card-shadow-hover: rgba(0, 0, 0, 0.5);
    --header-offset: 120px;
  }

  .blog-list {
    background-color: var(--blog-list-bg);
    color: var(--blog-list-text-primary);
    font-family: Arial, sans-serif;
    padding-top: var(--header-offset);
    padding-bottom: 40px;
  }

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

  .blog-list__heading {
    font-size: 2.5em;
    color: var(--blog-list-accent);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
  }

  .blog-list__intro-text {
    font-size: 1.1em;
    color: var(--blog-list-text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
  }

  .blog-list__timeline-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    padding: 20px 0;
  }

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

  .blog-list__item-card {
    background-color: var(--blog-list-card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--blog-list-card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    position: relative;
    padding-top: 20px;
    z-index: 1;
  }

  .blog-list__item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--blog-list-card-shadow-hover);
  }

  .blog-list__card-date-wrapper {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 2;
    background-color: var(--blog-list-card-bg);
    padding: 0 10px;
    border-radius: 5px;
    box-shadow: 0 0 0 5px var(--blog-list-card-bg);
  }

  .blog-list__card-point {
    width: 12px;
    height: 12px;
    background-color: var(--blog-list-accent);
    border-radius: 50%;
    flex-shrink: 0;
  }

  .blog-list__card-date {
    font-size: 0.85em;
    color: var(--blog-list-text-tertiary);
    font-weight: bold;
    white-space: nowrap;
  }

  .blog-list__card-content {
    padding: 20px;
  }

  .blog-list__image-container {
    width: 100%;
    padding-bottom: 56.25%;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 15px;
    background-color: var(--blog-list-border);
  }

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

  .blog-list__item-image--placeholder {
    background: linear-gradient(45deg, var(--blog-list-border), #444);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--blog-list-text-tertiary);
    font-size: 1.2em;
  }

  .blog-list__item-title {
    font-size: 1.25em;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.3;
  }

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

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

  .blog-list__item-summary {
    font-size: 0.9em;
    color: var(--blog-list-text-secondary);
    margin-bottom: 15px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

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

  .blog-list__item-read-more:hover {
    background-color: #e6c200;
    color: var(--blog-list-bg);
  }

  @media (max-width: 1024px) {
    .blog-list__heading {
      font-size: 2em;
    }
    .blog-list__intro-text {
      font-size: 1em;
    }
    .blog-list__timeline-wrapper {
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }
    .blog-list__timeline-wrapper::before {
      left: 50%;
    }
    .blog-list__card-date-wrapper {
      left: 50%;
    }
  }

  @media (max-width: 768px) {
    .blog-list__section {
      padding: 15px;
    }
    .blog-list__heading {
      font-size: 1.8em;
    }
    .blog-list__intro-text {
      font-size: 0.95em;
      margin-bottom: 30px;
    }
    .blog-list__timeline-wrapper {
      grid-template-columns: 1fr;
      gap: 20px;
    }
    .blog-list__timeline-wrapper::before {
      left: 20px;
      transform: translateX(0);
    }
    .blog-list__item-card {
      padding-top: 15px;
    }
    .blog-list__card-date-wrapper {
      left: 20px;
      transform: translateX(-50%);
      background-color: var(--blog-list-card-bg);
      box-shadow: 0 0 0 5px var(--blog-list-card-bg);
      padding: 0 5px;
      gap: 5px;
    }
    .blog-list__card-point {
      width: 10px;
      height: 10px;
    }
    .blog-list__card-date {
      font-size: 0.8em;
    }
    .blog-list__card-content {
      padding: 15px;
    }
    .blog-list__item-title {
      font-size: 1.1em;
    }
    .blog-list__item-summary {
      font-size: 0.85em;
    }
  }