:root {
      --blog-list__primary-color: #0056b3;
      --blog-list__accent-color: #FFD700;
      --blog-list__text-color: #333333;
      --blog-list__secondary-text-color: #555555;
      --blog-list__tertiary-text-color: #777777;
      --blog-list__background-color: #f0f2f5;
      --blog-list__card-background: #ffffff;
      --blog-list__border-radius: 10px;
      --blog-list__spacing-md: 20px;
      --blog-list__spacing-lg: 30px;
      --blog-list__line-color: #e0e0e0;
      --blog-list__dot-color: var(--blog-list__primary-color);
      --header-offset: 120px; 
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      background-color: var(--blog-list__background-color);
      color: var(--blog-list__text-color);
      padding-top: var(--header-offset);
      padding-bottom: 60px;
      min-height: 100vh;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--blog-list__spacing-md);
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: var(--blog-list__spacing-lg);
      padding-top: var(--blog-list__spacing-lg);
    }

    .blog-list__title {
      font-size: 2.5em; 
      color: var(--blog-list__primary-color);
      margin-bottom: var(--blog-list__spacing-md);
      font-weight: bold;
    }

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

    .blog-list__timeline {
      position: relative;
      padding: var(--blog-list__spacing-lg) 0;
    }

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

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

    .blog-list__timeline-item:nth-child(odd) {
      flex-direction: row-reverse;
    }

    .blog-list__timeline-item:nth-child(even) {
      flex-direction: row;
    }

    .blog-list__timeline-item::before {
      content: '';
      position: absolute;
      top: 20px; 
      left: 50%;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background-color: var(--blog-list__dot-color);
      border: 4px solid var(--blog-list__card-background);
      transform: translateX(-50%);
      z-index: 3;
    }

    .blog-list__timeline-date {
      width: calc(50% - var(--blog-list__spacing-lg));
      padding: 10px 0;
      text-align: center;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--blog-list__primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date {
      text-align: left;
      padding-left: var(--blog-list__spacing-md);
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
      text-align: right;
      padding-right: var(--blog-list__spacing-md);
    }

    .blog-list__card {
      background-color: var(--blog-list__card-background);
      border-radius: var(--blog-list__border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: calc(50% - var(--blog-list__spacing-lg));
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .blog-list__card-image {
      width: 100%;
      height: 225px; 
      object-fit: cover;
      display: block;
      border-top-left-radius: var(--blog-list__border-radius);
      border-top-right-radius: var(--blog-list__border-radius);
    }

    .blog-list__card-content {
      padding: var(--blog-list__spacing-md);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .blog-list__card-title {
      font-size: 1.25em; 
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

    .blog-list__card-summary {
      font-size: 0.95em; 
      color: var(--blog-list__secondary-text-color);
      margin-bottom: 15px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex-grow: 1;
    }

    .blog-list__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto; 
      padding-top: 10px;
      border-top: 1px solid #eee;
    }

    .blog-list__card-date {
      font-size: 0.85em; 
      color: var(--blog-list__tertiary-text-color);
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--blog-list__primary-color);
      color: var(--blog-list__card-background);
      padding: 8px 15px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: #004494; 
    }

    
    @media (max-width: 767px) {
      .blog-list__title {
        font-size: 2em; 
      }

      .blog-list__description {
        font-size: 1em; 
      }

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

      .blog-list__timeline-item {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: var(--blog-list__spacing-lg);
      }

      .blog-list__timeline-item:nth-child(odd) {
        flex-direction: column;
      }

      .blog-list__timeline-item:nth-child(even) {
        flex-direction: column;
      }

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

      .blog-list__timeline-date {
        width: 100%;
        text-align: left;
        padding-left: 50px; 
        padding-top: 0;
        padding-bottom: 10px;
        justify-content: flex-start;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-date,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-date {
        text-align: left;
        padding-left: 50px;
        padding-right: 0;
      }

      .blog-list__card {
        width: calc(100% - 40px); 
        margin-left: 40px; 
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      }

      .blog-list__card:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
      }

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

    
    @media (min-width: 768px) and (max-width: 1023px) {
      .blog-list__timeline-date {
        font-size: 1em;
      }

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

    
    @media (min-width: 1024px) {
      .blog-list__timeline-date {
        font-size: 1.2em;
      }
      .blog-list__card-image {
        height: 250px; 
      }
    }