:root {
      --brand-accent-color: #FFD700; 
      --brand-text-link-color: #CCAA00; 
      --secondary-color: #333333; 
      --text-color-dark: #333333;
      --text-color-medium: #666666;
      --text-color-light: #555555; 
      --background-color-light: #f9f9f9;
      --card-background-color: #ffffff;
      --border-radius-base: 10px;
      --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.08);
      --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
      --header-offset: 120px; 
    }

    .blog-list {
      padding-top: var(--header-offset);
      padding-bottom: 40px;
      background-color: var(--background-color-light);
      font-family: 'Arial', sans-serif;
      color: var(--text-color-dark);
      line-height: 1.6;
      padding-left: 15px;
      padding-right: 15px;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: 40px;
      padding-top: 20px;
    }

    .blog-list__title-main {
      font-size: 2.5em;
      color: var(--secondary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-color-medium);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .blog-list__timeline-container {
      position: relative;
      margin-top: 40px;
      padding-left: 20px; 
      padding-right: 20px;
    }

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      width: 4px;
      background-color: var(--brand-accent-color);
      height: 100%;
      transform: translateX(-50%);
      z-index: 1;
      display: none; 
    }

    .blog-list__timeline-container::after {
      content: '';
      position: absolute;
      top: 0;
      left: 20px; 
      width: 4px;
      background-color: var(--brand-accent-color);
      height: 100%;
      z-index: 1;
      display: block; 
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 40px;
      padding-bottom: 20px; 
      display: flex;
      flex-direction: column;
      align-items: flex-start; 
      z-index: 2;
    }

    .blog-list__item::before {
      content: '';
      position: absolute;
      top: 0;
      left: 20px; 
      width: 16px;
      height: 16px;
      background-color: var(--brand-accent-color);
      border: 3px solid var(--card-background-color);
      border-radius: 50%;
      transform: translateX(-50%);
      z-index: 3;
    }

    .blog-list__date-wrapper {
      background-color: var(--brand-text-link-color);
      color: var(--card-background-color);
      padding: 5px 10px;
      border-radius: var(--border-radius-base);
      font-size: 0.9em;
      font-weight: bold;
      margin-bottom: 15px;
      position: relative;
      left: 30px; 
      white-space: nowrap;
      box-shadow: var(--shadow-light);
    }

    .blog-list__card {
      background-color: var(--card-background-color);
      border-radius: var(--border-radius-base);
      box-shadow: var(--shadow-light);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      width: calc(100% - 60px); 
      margin-left: 50px; 
      display: flex;
      flex-direction: column;
      text-decoration: none;
      color: inherit;
    }

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

    .blog-list__image-wrapper {
      width: 100%;
      padding-top: 56.25%; 
      position: relative;
      overflow: hidden;
    }

    .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

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

    .blog-list__title {
      font-size: 1.3em; 
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.3;
    }

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

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

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

    .blog-list__read-more {
      display: inline-block;
      margin-top: auto; 
      color: var(--brand-text-link-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .blog-list__read-more:hover {
      text-decoration: underline;
    }

    
    @media (min-width: 768px) {
      .blog-list__timeline-container::after {
        display: none; 
      }
      .blog-list__timeline-container::before {
        display: block; 
      }
      .blog-list__item {
        flex-direction: row; 
        align-items: center;
        width: 100%; 
        margin-bottom: 60px; 
        padding-bottom: 0;
      }
      .blog-list__item::before {
        left: 50%; 
      }
      .blog-list__date-wrapper {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: -20px; 
        margin-bottom: 0;
      }

      .blog-list__card {
        width: calc(50% - 40px); 
        margin: 0; 
      }

      
      .blog-list__item:nth-child(odd) {
        justify-content: flex-start;
        padding-right: calc(50% + 20px); 
      }
      .blog-list__item:nth-child(odd) .blog-list__card {
        margin-right: 40px; 
      }

      
      .blog-list__item:nth-child(even) {
        justify-content: flex-end;
        padding-left: calc(50% + 20px); 
      }
      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 40px; 
      }
    }

    @media (min-width: 1024px) {
      .blog-list__title-main {
        font-size: 3em;
      }
      .blog-list__description {
        font-size: 1.2em;
      }
      .blog-list__card {
        width: calc(50% - 60px); 
      }
      .blog-list__item:nth-child(odd) .blog-list__card {
        margin-right: 60px;
      }
      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 60px;
      }
    }