:root {
      --primary-bg: #1a1a1a;
      --secondary-bg: #2c3e50;
      --text-color-light: #ecf0f1;
      --text-color-dark: #34495e;
      --accent-color: #f39c12; 
      --border-color: #3e5161;
      --timeline-line-color: #4a627a;
      --timeline-dot-color: #f39c12;
      --shadow-light: rgba(0, 0, 0, 0.1);
      --shadow-hover: rgba(0, 0, 0, 0.3);
      --border-radius-card: 10px;
      --header-offset: 120px; 
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      background-color: var(--primary-bg);
      color: var(--text-color-light);
      font-family: Arial, sans-serif;
      line-height: 1.6;
      padding-bottom: 50px;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      position: relative;
    }

    .blog-list__heading {
      text-align: center;
      padding: 40px 0;
      font-size: 2.5em;
      color: var(--accent-color);
      margin-bottom: 30px;
    }

    .blog-list__description {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
      font-size: 1.1em;
      color: var(--text-color-light);
      opacity: 0.9;
    }

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

    .blog-list__timeline::after {
      content: '';
      position: absolute;
      width: 4px;
      background-color: var(--timeline-line-color);
      top: 0;
      bottom: 0;
      left: 50%;
      margin-left: -2px;
      z-index: 1;
    }

    .blog-list__item {
      padding: 10px 0;
      position: relative;
      width: 50%;
      box-sizing: border-box;
      z-index: 2;
    }

    .blog-list__item:nth-child(odd) {
      left: 0;
      padding-right: 40px;
    }

    .blog-list__item:nth-child(even) {
      left: 50%;
      padding-left: 40px;
    }

    .blog-list__item::after {
      content: '';
      position: absolute;
      width: 20px;
      height: 20px;
      background-color: var(--timeline-dot-color);
      border: 4px solid var(--primary-bg);
      top: 30px;
      border-radius: 50%;
      z-index: 3;
    }

    .blog-list__item:nth-child(odd)::after {
      right: -12px;
    }

    .blog-list__item:nth-child(even)::after {
      left: -12px;
    }

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

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

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

    .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-top-left-radius: var(--border-radius-card);
      border-top-right-radius: var(--border-radius-card);
    }

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

    .blog-list__title {
      font-size: 1.4em; 
      margin-top: 0;
      margin-bottom: 10px;
      font-weight: bold;
    }

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

    .blog-list__title-link:hover {
      color: #ffd700; 
    }

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

    .blog-list__date {
      font-size: 0.8em; 
      color: #999;
      margin-bottom: 15px;
      display: block;
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--primary-bg);
      padding: 10px 15px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, color 0.3s ease;
      align-self: flex-start;
    }

    .blog-list__read-more:hover {
      background-color: #ffd700;
      color: var(--secondary-bg);
    }

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

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

      .blog-list__timeline::after {
        left: 20px; 
        margin-left: 0;
      }

      .blog-list__item {
        width: 100%;
        padding-left: 60px; 
        padding-right: 10px;
        left: 0;
      }

      .blog-list__item:nth-child(odd),
      .blog-list__item:nth-child(even) {
        padding-left: 60px;
        padding-right: 10px;
        left: 0;
      }

      .blog-list__item::after {
        left: 12px; 
        right: auto;
      }

      .blog-list__item:nth-child(odd)::after,
      .blog-list__item:nth-child(even)::after {
        left: 12px;
      }

      .blog-list__image-wrapper {
        padding-bottom: 66.66%; 
      }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
      .blog-list__heading {
        font-size: 2.2em;
      }
      .blog-list__timeline::after {
        left: 50%; 
      }
      .blog-list__item {
        width: 50%;
      }
      .blog-list__item:nth-child(odd) {
        padding-right: 40px;
        left: 0;
      }
      .blog-list__item:nth-child(even) {
        padding-left: 40px;
        left: 50%;
      }
      .blog-list__item:nth-child(odd)::after {
        right: -12px;
      }
      .blog-list__item:nth-child(even)::after {
        left: -12px;
      }
    }