:root {
      --primary-bg: #1a1a1a;
      --secondary-bg: #2c2c2c;
      --accent-color: #ffcc00;
      --text-color-light: #ffffff;
      --text-color-medium: #cccccc;
      --text-color-dark: #999999;
      --border-radius-base: 10px;
      --spacing-sm: 10px;
      --spacing-md: 20px;
      --spacing-lg: 30px;
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      background-color: var(--primary-bg);
      color: var(--text-color-light);
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .blog-list__hero {
      text-align: center;
      padding: var(--spacing-lg) var(--spacing-md);
      max-width: 900px;
      margin: 0 auto;
    }

    .blog-list__hero-title {
      font-size: 2.2em;
      color: var(--accent-color);
      margin-bottom: var(--spacing-sm);
      font-weight: bold;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      color: var(--text-color-medium);
      margin-bottom: var(--spacing-lg);
    }

    .blog-list__timeline {
      position: relative;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
      width: 100%;
    }

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

    .blog-list__timeline-item {
      position: relative;
      margin-bottom: var(--spacing-lg);
      z-index: 2;
      display: flex;
      justify-content: center;
    }

    .blog-list__timeline-point {
      width: 20px;
      height: 20px;
      background-color: var(--accent-color);
      border: 3px solid var(--primary-bg);
      border-radius: 50%;
      position: absolute;
      left: 50%;
      top: 0;
      transform: translateX(-50%);
      z-index: 3;
    }

    .blog-list__timeline-content {
      background-color: var(--secondary-bg);
      border-radius: var(--border-radius-base);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: calc(50% - 40px);
      padding: var(--spacing-md);
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
      margin-right: calc(50% + var(--spacing-md));
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
      margin-left: calc(50% + var(--spacing-md));
    }

    .blog-list__timeline-item:hover .blog-list__timeline-content {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

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

    .blog-list__timeline-image {
      width: 100%;
      height: auto;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      border-radius: var(--border-radius-base);
      margin-bottom: var(--spacing-sm);
    }

    .blog-list__timeline-title {
      font-size: 1.25em; 
      color: var(--accent-color);
      margin-bottom: var(--spacing-sm);
      font-weight: bold;
      line-height: 1.3;
    }

    .blog-list__timeline-summary {
      font-size: 1em; 
      color: var(--text-color-medium);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__timeline-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85em; 
      color: var(--text-color-dark);
    }

    .blog-list__timeline-read-more {
      color: var(--accent-color);
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .blog-list__timeline-read-more:hover {
      color: #ffeb99;
    }

    @media (max-width: 1024px) {
      .blog-list__timeline-line {
        left: var(--spacing-md);
        transform: translateX(0);
      }

      .blog-list__timeline-item {
        justify-content: flex-start;
      }

      .blog-list__timeline-point {
        left: var(--spacing-md);
        transform: translateX(-50%);
      }

      .blog-list__timeline-content {
        width: calc(100% - 60px);
        margin-left: calc(var(--spacing-md) + 40px);
        margin-right: 0;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-right: 0;
        margin-left: calc(var(--spacing-md) + 40px);
      }

      .blog-list__hero-title {
        font-size: 1.8em;
      }
    }

    @media (max-width: 767px) {
      .blog-list {
        padding-top: var(--header-offset, 120px);
      }
      .blog-list__timeline-line {
        left: var(--spacing-sm);
      }

      .blog-list__timeline-point {
        left: var(--spacing-sm);
      }

      .blog-list__timeline-content {
        width: calc(100% - 40px);
        margin-left: calc(var(--spacing-sm) + 30px);
        padding: 15px;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
        margin-left: calc(var(--spacing-sm) + 30px);
      }

      .blog-list__hero-title {
        font-size: 1.5em;
      }

      .blog-list__hero-description {
        font-size: 0.95em;
      }

      .blog-list__timeline-title {
        font-size: 1.1em; 
      }

      .blog-list__timeline-summary {
        font-size: 0.9em; 
        -webkit-line-clamp: 4;
      }

      .blog-list__timeline-meta {
        font-size: 0.8em; 
        flex-direction: column;
        align-items: flex-start;
      }
      .blog-list__timeline-read-more {
        margin-top: 5px;
      }
    }