:root {
      --primary-color-action: #c0392b; 
      --primary-color-accent: #e44d26; 
      --secondary-color: #333; 
      --text-color: #333;
      --light-text-color: #666;
      --background-color: #f8f8f8;
      --card-background: #ffffff;
      --border-color: #eee;
      --header-offset: 120px; 
    }

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

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px;
      background-color: var(--primary-color-action); 
      color: #fff;
      margin-bottom: 30px;
    }

    .blog-list__hero-title {
      font-size: 2.5em; 
      margin-bottom: 15px;
      font-weight: bold;
      color: #fff;
    }

    .blog-list__hero-description {
      font-size: 1.1em; 
      max-width: 800px;
      margin: 0 auto;
      color: #fff;
    }

    .blog-list__timeline {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      width: 2px;
      background-color: var(--primary-color-accent); 
      top: 0;
      bottom: 0;
      left: 20px; 
      transform: translateX(-50%);
    }

    .blog-list__item {
      margin-bottom: 30px;
      position: relative;
      padding-left: 60px; 
      display: flex;
      flex-direction: column;
    }

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

    .blog-list__date-wrapper {
      position: absolute;
      left: 0;
      top: 0;
      width: 40px;
      height: 40px;
      background-color: var(--primary-color-accent); 
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 1;
      color: var(--text-color); 
      font-size: 0.8em;
      font-weight: bold;
      text-align: center;
      line-height: 1.2;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .blog-list__date-day {
      font-size: 1.2em;
    }

    .blog-list__date-month-year {
      font-size: 0.8em;
    }

    .blog-list__card {
      background-color: var(--card-background);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: 100%;
    }

    .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .blog-list__card-link {
      display: block;
      position: relative;
      padding-bottom: 56.25%; 
      overflow: hidden;
      background-color: #f0f0f0; 
    }

    .blog-list__card-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .blog-list__card-image--placeholder {
      background-color: #ddd; 
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--light-text-color);
      font-size: 1.2em;
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }

    .blog-list__card-image--placeholder::before {
      content: 'Không có ảnh'; 
    }

    .blog-list__card:hover .blog-list__card-image {
      transform: scale(1.05);
    }

    .blog-list__card-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .blog-list__card-title {
      font-size: 1.25em; 
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.3;
      color: var(--secondary-color);
    }

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

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

    .blog-list__card-summary {
      font-size: 0.95em; 
      color: var(--light-text-color);
      margin-bottom: 15px;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 3; 
      -webkit-box-orient: vertical;
      flex-grow: 1;
    }

    .blog-list__card-read-more {
      display: inline-block;
      margin-top: auto; 
      padding: 8px 15px;
      background-color: var(--primary-color-action); 
      color: #fff;
      text-decoration: none;
      border-radius: 5px;
      font-size: 0.9em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      align-self: flex-start; 
    }

    .blog-list__card-read-more:hover {
      background-color: #a72d21; 
    }

    
    
    @media (min-width: 768px) {
      .blog-list__hero-title {
        font-size: 3em; 
      }

      .blog-list__timeline::before {
        left: 50%; 
      }

      .blog-list__item {
        padding-left: 0;
        display: grid;
        grid-template-columns: 1fr 2px 1fr; 
        gap: 20px;
      }

      .blog-list__item:nth-child(odd) .blog-list__date-wrapper {
        left: auto;
        right: calc(50% + 20px); 
        top: 50%;
        transform: translateY(-50%);
        flex-direction: column;
        width: 60px;
        height: 60px;
        font-size: 0.9em;
      }

      .blog-list__item:nth-child(even) .blog-list__date-wrapper {
        left: calc(50% + 20px); 
        right: auto;
        top: 50%;
        transform: translateY(-50%);
        flex-direction: column;
        width: 60px;
        height: 60px;
        font-size: 0.9em;
      }

      .blog-list__item:nth-child(odd) .blog-list__card {
        grid-column: 1 / 2; 
        text-align: right;
      }

      .blog-list__item:nth-child(even) .blog-list__card {
        grid-column: 3 / 4; 
        text-align: left;
      }

      .blog-list__item:nth-child(odd) .blog-list__card-content {
        align-items: flex-end; 
      }

      .blog-list__item:nth-child(even) .blog-list__card-content {
        align-items: flex-start; 
      }

      .blog-list__item:nth-child(odd) .blog-list__card-read-more {
        align-self: flex-end;
      }
      .blog-list__item:nth-child(even) .blog-list__card-read-more {
        align-self: flex-start;
      }

      .blog-list__item .blog-list__date {
        white-space: normal; 
        font-size: 0.9em;
      }
    }

    
    @media (min-width: 1024px) {
      .blog-list__hero-title {
        font-size: 3.5em; 
      }

      .blog-list__timeline {
        max-width: 1100px; 
      }

      .blog-list__item {
        gap: 30px;
      }
    }