:root {
      --primary-color: #1A2A44; 
      --accent-color-gold: #FBC02D; 
      --accent-color-green: #4CAF50; 
      --text-dark: #333333;
      --text-medium: #666666;
      --text-light: #757575; 
      --background-light: #FFFFFF;
      --background-grey: #F5F5F5;
      --border-color: #E0E0E0;
      --shadow-color: rgba(0, 0, 0, 0.08);
      --shadow-hover-color: rgba(0, 0, 0, 0.15);
      --header-offset: 120px; 
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--background-grey);
      font-family: 'Arial', sans-serif;
      color: var(--text-dark);
      min-height: 100vh;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      position: relative;
    }

    .blog-list__main-title {
      text-align: center;
      color: var(--primary-color);
      font-size: 28px;
      margin-bottom: 15px;
      font-weight: bold;
    }

    .blog-list__description {
      text-align: center;
      color: var(--text-medium);
      font-size: 16px;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
    }

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

    .blog-list__item {
      display: flex;
      margin-bottom: 40px;
      position: relative;
      z-index: 1;
      justify-content: center;
      align-items: flex-start; 
    }

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

    .blog-list__date-wrapper {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      top: 0;
      width: 120px; 
      text-align: center;
      z-index: 2;
    }

    .blog-list__date {
      display: block;
      font-size: 14px;
      color: var(--text-light);
      background-color: var(--background-grey);
      padding: 2px 8px;
      border-radius: 4px;
      white-space: nowrap;
    }

    .blog-list__dot {
      width: 16px;
      height: 16px;
      background-color: var(--accent-color-gold);
      border: 3px solid var(--primary-color);
      border-radius: 50%;
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      top: 25px; 
      z-index: 3;
    }

    .blog-list__card {
      background-color: var(--background-light);
      border-radius: 12px;
      box-shadow: 0 4px 12px var(--shadow-color);
      transition: all 0.3s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      width: calc(50% - 80px); 
      margin-left: 80px; 
    }

    .blog-list__card:hover {
      box-shadow: 0 6px 20px var(--shadow-hover-color);
      transform: translateY(-2px);
    }

    .blog-list__item:nth-child(even) .blog-list__card {
      margin-left: auto; 
      margin-right: 80px; 
    }

    .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;
    }

    .blog-list__title {
      font-size: 20px;
      font-weight: bold;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

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

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--accent-color-gold);
      color: var(--primary-color); 
      padding: 10px 18px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 14px;
      transition: background-color 0.3s ease, color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: #E0A800; 
      color: var(--primary-color);
    }

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

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

      .blog-list__date-wrapper {
        left: 30px;
        transform: translateX(-50%); 
        width: auto;
        padding-left: 10px; 
      }
      
      .blog-list__date {
        background-color: var(--background-grey); 
      }

      .blog-list__dot {
        left: 30px;
        transform: translateX(-50%);
      }

      .blog-list__card {
        width: calc(100% - 80px); 
        margin-left: 80px;
        margin-right: 0;
      }

      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 80px;
        margin-right: 0;
      }
    }

    @media (max-width: 768px) {
      .blog-list__container {
        padding: 0 10px;
      }

      .blog-list__timeline-line {
        left: 20px;
      }

      .blog-list__date-wrapper {
        left: 20px;
        transform: translateX(-50%);
        padding-left: 5px;
      }

      .blog-list__dot {
        left: 20px;
        transform: translateX(-50%);
      }

      .blog-list__card {
        width: calc(100% - 60px); 
        margin-left: 60px;
      }

      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 60px;
      }

      .blog-list__title {
        font-size: 18px;
      }

      .blog-list__summary {
        font-size: 14px;
      }

      .blog-list__read-more {
        padding: 8px 15px;
        font-size: 13px;
      }
    }

    @media (max-width: 480px) {
      .blog-list__card {
        width: calc(100% - 50px);
        margin-left: 50px;
      }
      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 50px;
      }
      .blog-list__timeline-line {
        left: 15px;
      }
      .blog-list__date-wrapper {
        left: 15px;
      }
      .blog-list__dot {
        left: 15px;
      }
      .blog-list__content {
        padding: 15px;
      }
    }