:root {
      --primary-color: #007bff;
      --secondary-color: #6c757d;
      --accent-color: #ffd700; 
      --dark-bg: #1a202c;
      --light-bg: #f8f9fa;
      --text-dark: #333333;
      --text-medium: #666666;
      --text-light: #ffffff;
      --border-color: #e9ecef;
      --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
      --header-offset: 120px; 
    }

    .blog-list {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      background-color: var(--light-bg);
      overflow-x: hidden;
    }

    .blog-list__hero-section {
      background-color: var(--dark-bg);
      color: var(--text-light);
      padding: 3rem 1rem;
      text-align: center;
      padding-top: var(--header-offset, 120px);
      position: relative;
      z-index: 1;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1rem;
    }

    .blog-list__page-title {
      font-size: 2.5rem;
      color: var(--accent-color);
      margin-bottom: 1rem;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .blog-list__description {
      font-size: 1.1rem;
      max-width: 800px;
      margin: 0 auto 2rem auto;
      color: rgba(255, 255, 255, 0.9);
    }

    .blog-list__timeline-section {
      padding: 3rem 0;
      position: relative;
    }

    .blog-list__timeline-wrapper {
      position: relative;
      padding-left: 1.5rem; 
    }

    .blog-list__timeline-line {
      position: absolute;
      left: 1.25rem;
      top: 0;
      bottom: 0;
      width: 4px;
      background-color: var(--border-color);
      border-radius: 2px;
      z-index: 0;
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 2.5rem;
      background-color: #ffffff;
      border-radius: 12px;
      box-shadow: var(--card-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      padding: 1.5rem;
      margin-left: 2.5rem; 
      width: calc(100% - 2.5rem);
    }

    .blog-list__item:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-shadow-hover);
    }

    .blog-list__item-dot {
      position: absolute;
      left: -2.75rem; 
      top: 1.8rem;
      width: 1.2rem;
      height: 1.2rem;
      background-color: var(--accent-color);
      border: 3px solid var(--dark-bg);
      border-radius: 50%;
      z-index: 1;
    }

    .blog-list__content-wrapper {
      width: 100%;
    }

    .blog-list__image-link {
      display: block;
      margin-bottom: 1rem;
      border-radius: 8px;
      overflow: hidden;
    }

    .blog-list__image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-radius: 8px;
      transition: transform 0.3s ease;
    }

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

    .blog-list__title {
      font-size: 1.4rem;
      font-weight: bold;
      margin-bottom: 0.5rem;
      line-height: 1.3;
    }

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

    .blog-list__title-link:hover {
      color: var(--primary-color);
    }

    .blog-list__summary {
      font-size: 0.95rem;
      color: var(--text-medium);
      margin-bottom: 1rem;
      display: -webkit-box;
      -webkit-line-clamp: 3; 
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: var(--secondary-color);
      width: 100%;
      flex-wrap: wrap;
    }

    .blog-list__published-date {
      margin-right: 1rem;
      white-space: nowrap;
    }

    .blog-list__read-more {
      color: var(--primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
      white-space: nowrap;
    }

    .blog-list__read-more:hover {
      color: var(--dark-bg);
    }

    
    
    @media (min-width: 768px) {
      .blog-list__hero-section {
        padding: 4rem 1rem;
      }

      .blog-list__page-title {
        font-size: 3rem;
      }

      .blog-list__description {
        font-size: 1.2rem;
      }

      .blog-list__timeline-wrapper {
        padding-left: 2rem;
      }

      .blog-list__timeline-line {
        left: 1.5rem;
      }

      .blog-list__item {
        margin-left: 3rem;
        width: calc(100% - 3rem);
        padding: 2rem;
      }

      .blog-list__item-dot {
        left: -3rem;
        top: 2.3rem;
        width: 1.4rem;
        height: 1.4rem;
      }

      .blog-list__image {
        height: 250px;
      }

      .blog-list__title {
        font-size: 1.6rem;
      }

      .blog-list__summary {
        font-size: 1rem;
      }

      .blog-list__meta {
        font-size: 0.9rem;
      }
    }

    
    @media (min-width: 1024px) {
      .blog-list__hero-section {
        padding: 5rem 1rem;
      }

      .blog-list__page-title {
        font-size: 3.5rem;
      }

      .blog-list__timeline-wrapper {
        display: grid;
        grid-template-columns: 1fr 4px 1fr; 
        gap: 2rem;
        padding-left: 0; 
        position: relative;
      }

      .blog-list__timeline-line {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__item {
        width: 100%;
        margin-left: 0;
        grid-column: 1 / 2; 
        text-align: right;
        padding: 2.5rem;
      }

      .blog-list__item-dot {
        left: auto;
        right: -3.5rem; 
        top: 2.8rem;
      }

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

      .blog-list__item:nth-child(even) .blog-list__item-dot {
        left: -3.5rem; 
        right: auto;
      }

      .blog-list__item:nth-child(even) .blog-list__meta {
        justify-content: flex-start;
      }

      .blog-list__item:nth-child(even) .blog-list__published-date {
        order: 2; 
        margin-left: 1rem;
        margin-right: 0;
      }

      .blog-list__item:nth-child(even) .blog-list__read-more {
        order: 1;
      }

      .blog-list__title {
        font-size: 1.8rem;
      }

      .blog-list__image {
        height: 280px;
      }
    }