:root {
    --primary-bg: #1a1a2e;
    --secondary-bg: #2e2e4a;
    --accent-color: #FFD700;
    --text-color: #ffffff;
    --secondary-text-color: #cccccc;
    --border-color: #4a4a6e;
    --header-offset: 120px;
  }

  .blog-list {
    font-family: 'Arial', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-color);
    padding-top: var(--header-offset);
    min-height: 100vh;
  }

  .blog-list__hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://via.placeholder.com/1920x400/1a1a2e/FFD700?text=Banner+Tin+Tuc') no-repeat center center/cover;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-color);
  }

  .blog-list__hero-title {
    font-size: 2.5em;
    margin-bottom: 15px;
    color: var(--accent-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  }

  .blog-list__hero-description {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    color: var(--secondary-text-color);
  }

  .blog-list__section-title {
    text-align: center;
    font-size: 2em;
    color: var(--accent-color);
    margin: 60px 0 40px;
    position: relative;
    padding-bottom: 10px;
  }

  .blog-list__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 2px;
  }

  .blog-list__timeline-section {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
  }

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

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

  .blog-list__timeline-item {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
  }

  .blog-list__timeline-item:last-child {
    margin-bottom: 0;
  }

  .blog-list__timeline-date-wrapper {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -15px;
    background-color: var(--accent-color);
    color: var(--primary-bg);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: bold;
    white-space: nowrap;
    z-index: 3;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  }

  .blog-list__timeline-content {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 700px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
  }

  .blog-list__timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
  }

  .blog-list__timeline-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border-color);
  }

  .blog-list__timeline-text-content {
    padding: 25px;
  }

  .blog-list__timeline-title {
    font-size: 1.8em;
    margin-bottom: 15px;
    line-height: 1.3;
  }

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

  .blog-list__timeline-title-link:hover {
    color: var(--accent-color);
  }

  .blog-list__timeline-summary {
    font-size: 1em;
    color: var(--secondary-text-color);
    line-height: 1.6;
    margin-bottom: 20px;
    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: 0.9em;
    color: var(--secondary-text-color);
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
  }

  .blog-list__timeline-published {
    font-style: italic;
  }

  .blog-list__timeline-read-more {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-bg);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
  }

  .blog-list__timeline-read-more:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
  }

  @media (max-width: 768px) {
    .blog-list__hero-title {
      font-size: 2em;
    }

    .blog-list__hero-description {
      font-size: 1em;
    }

    .blog-list__section-title {
      font-size: 1.8em;
      margin: 40px 0 30px;
    }

    .blog-list__timeline::before {
      left: 20px;
      transform: translateX(0);
    }

    .blog-list__timeline-item {
      justify-content: flex-start;
      margin-bottom: 40px;
      padding-left: 40px;
    }

    .blog-list__timeline-date-wrapper {
      left: 20px;
      transform: translateX(-50%);
      top: -20px;
      padding: 6px 12px;
      font-size: 0.8em;
    }

    .blog-list__timeline-content {
      width: 100%;
      max-width: none;
    }

    .blog-list__timeline-image {
      height: 200px;
    }

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

    .blog-list__timeline-summary {
      font-size: 0.95em;
      -webkit-line-clamp: 4;
    }

    .blog-list__timeline-text-content {
      padding: 20px;
    }

    .blog-list__timeline-meta {
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
    }

    .blog-list__timeline-read-more {
      width: 100%;
      text-align: center;
    }
  }

  @media (max-width: 480px) {
    .blog-list__hero {
      padding: 40px 15px;
    }

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

    .blog-list__hero-description {
      font-size: 0.9em;
    }

    .blog-list__section-title {
      font-size: 1.5em;
      margin: 30px 0 25px;
    }

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

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

    .blog-list__timeline-date-wrapper {
      left: 15px;
      padding: 5px 10px;
      font-size: 0.75em;
    }

    .blog-list__timeline-image {
      height: 180px;
    }

    .blog-list__timeline-title {
      font-size: 1.3em;
    }

    .blog-list__timeline-summary {
      font-size: 0.9em;
      -webkit-line-clamp: 5;
    }

    .blog-list__timeline-text-content {
      padding: 15px;
    }
  }