:root {
      --primary-color: #FFD700; 
      --secondary-color: #1A1A1A; 
      --text-color-light: #F0F0F0;
      --text-color-dark: #333333;
      --background-color-dark: #121212;
      --card-background-dark: #1F1F1F;
      --border-color-dark: #333333;
      --header-offset: 120px; 
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--background-color-dark);
      color: var(--text-color-light);
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      min-height: 100vh;
      padding-left: 15px;
      padding-right: 15px;
      max-width: 1200px;
      margin: 0 auto;
      box-sizing: border-box;
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: 40px;
      padding-top: 30px;
    }

    .blog-list__title {
      font-size: 2.5em;
      color: var(--primary-color);
      margin-bottom: 10px;
      font-weight: bold;
      line-height: 1.2;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-color-light);
      max-width: 700px;
      margin: 0 auto;
      line-height: 1.6;
    }

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

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

    .blog-list__item-wrapper {
      position: relative;
      margin-bottom: 40px;
      display: flex;
      justify-content: center;
    }

    .blog-list__item-wrapper:nth-child(odd) .blog-list__item {
      margin-right: calc(50% + 15px); 
      margin-left: 0;
    }

    .blog-list__item-wrapper:nth-child(even) .blog-list__item {
      margin-left: calc(50% + 15px); 
      margin-right: 0;
    }

    .blog-list__item {
      background-color: var(--card-background-dark);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      width: calc(50% - 30px); 
      position: relative;
      z-index: 1;
    }

    .blog-list__item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    }

    .blog-list__item-wrapper:nth-child(odd) .blog-list__item::after {
      content: '';
      position: absolute;
      top: 50%;
      right: -30px;
      transform: translateY(-50%);
      width: 30px;
      height: 2px;
      background-color: var(--border-color-dark);
      z-index: 1;
    }

    .blog-list__item-wrapper:nth-child(even) .blog-list__item::before {
      content: '';
      position: absolute;
      top: 50%;
      left: -30px;
      transform: translateY(-50%);
      width: 30px;
      height: 2px;
      background-color: var(--border-color-dark);
      z-index: 1;
    }

    .blog-list__item-date-marker {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 18px;
      height: 18px;
      background-color: var(--primary-color);
      border-radius: 50%;
      border: 3px solid var(--background-color-dark);
      z-index: 2;
    }

    .blog-list__cover-image {
      width: 100%;
      height: 225px; 
      object-fit: cover;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
    }

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

    .blog-list__title-link {
      font-size: 1.4em;
      font-weight: bold;
      color: var(--text-color-light);
      text-decoration: none;
      margin-bottom: 10px;
      line-height: 1.3;
      display: block;
      transition: color 0.3s ease;
    }

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

    .blog-list__summary {
      font-size: 1em;
      color: #B0B0B0;
      line-height: 1.5;
      margin-bottom: 15px;
      flex-grow: 1;
      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: 0.9em;
      color: #888888;
      margin-top: auto;
    }

    .blog-list__published-date {
      font-style: italic;
    }

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

    .blog-list__read-more:hover {
      color: #FFEB3B; 
    }

    @media (max-width: 1024px) {
      .blog-list__timeline-container::before {
        left: 30px;
        transform: translateX(0);
      }

      .blog-list__item-wrapper {
        justify-content: flex-start;
      }

      .blog-list__item-wrapper:nth-child(odd) .blog-list__item,
      .blog-list__item-wrapper:nth-child(even) .blog-list__item {
        width: calc(100% - 60px);
        margin-left: 60px;
        margin-right: 0;
      }

      .blog-list__item-wrapper:nth-child(odd) .blog-list__item::after {
        right: auto;
        left: -30px;
        width: 30px;
      }

      .blog-list__item-wrapper:nth-child(even) .blog-list__item::before {
        left: -30px;
        width: 30px;
      }

      .blog-list__item-date-marker {
        left: 30px;
        transform: translate(-50%, -50%);
      }
    }

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

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

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

      .blog-list__title-link {
        font-size: 1.2em;
      }

      .blog-list__summary {
        font-size: 0.9em;
      }

      .blog-list__item-wrapper:nth-child(odd) .blog-list__item,
      .blog-list__item-wrapper:nth-child(even) .blog-list__item {
        width: calc(100% - 40px);
        margin-left: 40px;
      }

      .blog-list__timeline-container::before {
        left: 20px;
      }

      .blog-list__item-date-marker {
        left: 20px;
      }

      .blog-list__item-wrapper:nth-child(odd) .blog-list__item::after,
      .blog-list__item-wrapper:nth-child(even) .blog-list__item::before {
        width: 20px;
      }
    }

    @media (max-width: 480px) {
      .blog-list__title {
        font-size: 1.8em;
      }

      .blog-list__cover-image {
        height: 150px;
      }

      .blog-list__item-wrapper {
        margin-bottom: 30px;
      }

      .blog-list__content {
        padding: 15px;
      }

      .blog-list__title-link {
        font-size: 1.1em;
      }

      .blog-list__summary {
        -webkit-line-clamp: 4; 
      }

      .blog-list__item-wrapper:nth-child(odd) .blog-list__item,
      .blog-list__item-wrapper:nth-child(even) .blog-list__item {
        width: calc(100% - 30px);
        margin-left: 30px;
      }

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

      .blog-list__item-date-marker {
        left: 15px;
      }

      .blog-list__item-wrapper:nth-child(odd) .blog-list__item::after,
      .blog-list__item-wrapper:nth-child(even) .blog-list__item::before {
        width: 15px;
      }
    }