:root {
      --blog-list-bg-color: #1a1a1a;
      --blog-list-text-color: #f0f0f0;
      --blog-list-link-color: #e0b000;
      --blog-list-link-hover-color: #ffcc00;
      --blog-list-card-bg: #2a2a2a;
      --blog-list-card-border: #3a3a3a;
      --blog-list-date-color: #aaaaaa;
      --blog-list-summary-color: #cccccc;
      --blog-list-timeline-line: #e0b000;
      --blog-list-shadow: rgba(0, 0, 0, 0.2);
      --blog-list-hover-shadow: rgba(0, 0, 0, 0.4);
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--blog-list-bg-color);
      color: var(--blog-list-text-color);
      font-family: Arial, sans-serif;
      line-height: 1.6;
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .blog-list__hero-title {
      font-size: 2.2em;
      color: var(--blog-list-link-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      color: var(--blog-list-summary-color);
      margin-bottom: 30px;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background: var(--blog-list-timeline-line);
      transform: translateX(-50%);
      z-index: 1;
    }

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: 40px;
      padding: 10px 0;
      z-index: 2;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
      left: 0;
      transform: translateX(calc(-100% - 30px));
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
      left: 100%;
      transform: translateX(30px);
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content::after {
      right: -30px;
      border-left-color: var(--blog-list-card-bg);
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content::after {
      left: -30px;
      border-right-color: var(--blog-list-card-bg);
    }

    .blog-list__timeline-item::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 20px;
      height: 20px;
      background: var(--blog-list-timeline-line);
      border: 3px solid var(--blog-list-bg-color);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      z-index: 3;
    }

    .blog-list__timeline-content {
      position: relative;
      width: calc(50% - 50px);
      padding: 20px;
      background-color: var(--blog-list-card-bg);
      border: 1px solid var(--blog-list-card-border);
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--blog-list-shadow);
      transition: all 0.3s ease;
    }

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

    .blog-list__timeline-content::after {
      content: '';
      position: absolute;
      top: 50%;
      width: 0;
      height: 0;
      border: 15px solid transparent;
      transform: translateY(-50%);
      z-index: 4;
    }

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

    .blog-list__timeline-image {
      width: 100%;
      aspect-ratio: 16 / 9;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      position: relative;
    }

    .blog-list__timeline-text-content {
      padding: 0;
    }

    .blog-list__timeline-title {
      font-size: 1.2em;
      color: var(--blog-list-link-color);
      margin-bottom: 10px;
      font-weight: bold;
      line-height: 1.3;
    }

    .blog-list__timeline-title:hover {
      text-decoration: underline;
    }

    .blog-list__timeline-summary {
      font-size: 0.9em;
      color: var(--blog-list-summary-color);
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__timeline-date {
      font-size: 0.8em;
      color: var(--blog-list-date-color);
      display: block;
      margin-bottom: 10px;
    }

    .blog-list__timeline-read-more {
      display: inline-block;
      color: var(--blog-list-link-color);
      font-weight: bold;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .blog-list__timeline-read-more:hover {
      color: var(--blog-list-link-hover-color);
      text-decoration: underline;
    }

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

      .blog-list__timeline-item::before {
        left: 20px;
        transform: translate(-50%, -50%);
      }

      .blog-list__timeline-content {
        width: calc(100% - 70px);
        left: 70px !important;
        transform: translateX(0) !important;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content::after {
        left: -30px;
        right: auto;
        border-right-color: var(--blog-list-card-bg);
        border-left-color: transparent;
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content::after {
        left: -30px;
        right: auto;
        border-right-color: var(--blog-list-card-bg);
        border-left-color: transparent;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding-left: 15px;
        padding-right: 15px;
      }
      .blog-list__hero-title {
        font-size: 1.8em;
      }
      .blog-list__hero-description {
        font-size: 1em;
      }
      .blog-list__timeline::before {
        left: 15px;
      }
      .blog-list__timeline-item::before {
        left: 15px;
      }
      .blog-list__timeline-content {
        width: calc(100% - 60px);
        left: 60px !important;
        padding: 15px;
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content::after,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content::after {
        left: -25px;
        border-width: 12px;
      }
      .blog-list__timeline-title {
        font-size: 1.1em;
      }
      .blog-list__timeline-summary {
        font-size: 0.85em;
      }
      .blog-list__timeline-date {
        font-size: 0.75em;
      }
    }