:root {
      --primary-color: #ffd700; 
      --secondary-color: #007bff; 
      --background-dark: #1a1a1a;
      --text-light: #ffffff;
      --text-medium: #cccccc;
      --text-dark: #666666;
      --card-background: #2a2a2a;
      --border-color: #3a3a3a;
      --shadow-color: rgba(0, 0, 0, 0.3);
      --shadow-hover-color: rgba(0, 0, 0, 0.6);
      --header-offset: 120px; 
    }

    .blog-list {
      background-color: var(--background-dark);
      color: var(--text-light);
      padding-top: var(--header-offset);
      min-height: 100vh;
      font-family: 'Arial', sans-serif;
    }

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

    .blog-list__heading {
      font-size: 2.2em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 15px;
      font-weight: bold;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-medium);
      text-align: center;
      margin-bottom: 40px;
      line-height: 1.6;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    
    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 20px; 
      width: 4px;
      background-color: var(--border-color);
      z-index: 1;
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 40px;
      padding-left: 60px; 
      z-index: 2;
    }

    .blog-list__item:last-child {
      margin-bottom: 0;
    }

    .blog-list__item::before { 
      content: '';
      position: absolute;
      left: 14px; 
      top: 0;
      width: 16px;
      height: 16px;
      background-color: var(--primary-color);
      border-radius: 50%;
      border: 3px solid var(--background-dark); 
      z-index: 3;
    }

    .blog-list__date-wrapper { 
      position: absolute;
      left: 60px; 
      top: -10px; 
      color: var(--text-medium);
      font-size: 0.9em; 
      font-weight: normal;
      display: block;
      white-space: nowrap; 
    }

    .blog-list__card-link {
      text-decoration: none;
      display: block;
      color: inherit;
    }

    .blog-list__card {
      background-color: var(--card-background);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px var(--shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-top: 15px; 
    }

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

    .blog-list__image {
      width: 100%;
      height: 200px; 
      object-fit: cover;
      display: block;
      border-bottom: 1px solid var(--border-color);
    }

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

    .blog-list__title {
      font-size: 1.2em; 
      color: var(--primary-color);
      margin-top: 0;
      margin-bottom: 10px;
      font-weight: bold;
      line-height: 1.4;
    }

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

    .blog-list__read-more {
      font-size: 0.9em; 
      color: var(--primary-color);
      font-weight: bold;
      align-self: flex-start;
      margin-top: auto; 
    }

    
    
    @media (min-width: 768px) {
      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__item {
        padding-left: 0;
        display: flex;
        justify-content: center;
        margin-bottom: 50px;
      }

      .blog-list__item:nth-child(odd) { 
        text-align: right;
        padding-right: 50%;
      }

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

      .blog-list__item::before { 
        left: 50%;
        transform: translateX(-50%);
        top: calc(50% - 8px); 
        box-shadow: 0 0 0 5px var(--background-dark); 
      }

      .blog-list__date-wrapper { 
        position: static; 
        display: block;
        margin-top: 0;
        margin-bottom: 10px; 
        font-size: 1em;
        color: var(--text-medium);
        white-space: nowrap;
      }

      .blog-list__item:nth-child(odd) .blog-list__date-wrapper {
        text-align: right;
      }

      .blog-list__item:nth-child(even) .blog-list__date-wrapper {
        text-align: left;
      }
      
      .blog-list__card {
        width: calc(100% - 40px); 
        max-width: 450px; 
        flex-direction: row; 
        height: auto;
        margin-top: 0; 
      }

      .blog-list__image {
        width: 40%;
        height: auto;
        min-height: 150px;
        max-height: 250px;
        border-bottom: none;
        border-right: 1px solid var(--border-color);
      }

      .blog-list__content {
        width: 60%;
      }
    }

    
    @media (min-width: 1024px) {
      .blog-list__timeline {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px; 
        padding: 40px 0;
      }

      .blog-list__timeline::before {
        display: none; 
      }

      .blog-list__item {
        padding-left: 0;
        margin-bottom: 0;
        text-align: left;
        padding-right: 0;
        display: block; 
      }

      .blog-list__item::before {
        display: none; 
      }

      .blog-list__date-wrapper {
        position: static; 
        transform: none;
        margin-bottom: 15px; 
        color: var(--text-medium);
        font-size: 0.9em;
        font-weight: normal;
        display: block;
        text-align: left;
        white-space: nowrap;
      }

      .blog-list__card {
        width: 100%;
        flex-direction: column; 
        height: 100%;
        margin-top: 0;
      }

      .blog-list__image {
        width: 100%;
        height: 225px; 
        object-fit: cover;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
      }
    }