:root {
    --primary-color: #FFD700;
    --secondary-color: #000000;
    --text-color: #333333;
    --light-text-color: #666666;
    --border-color: #eeeeee;
    --background-light: #f9f9f9;
    --card-bg: #ffffff;
    --header-offset: 120px;
  }

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

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

  .blog-list__title {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 40px;
    font-size: 2.5em;
    font-weight: bold;
    padding-top: 20px;
  }

  .blog-list__description {
    text-align: center;
    color: var(--light-text-color);
    margin-bottom: 60px;
    font-size: 1.1em;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
  }

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

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

  .blog-list__item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
    width: 100%;
    box-sizing: border-box;
  }

  .blog-list__item:nth-child(even) {
    flex-direction: row-reverse;
  }

  .blog-list__item-content-wrapper {
    width: calc(50% - 30px);
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 25px;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
  }

  .blog-list__item-content-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  }

  .blog-list__item:nth-child(odd) .blog-list__item-content-wrapper {
    margin-right: 30px;
  }

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

  .blog-list__item-date-marker {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 0.8em;
    border: 3px solid var(--card-bg);
  }

  .blog-list__item-date {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    font-size: 0.9em;
    color: var(--light-text-color);
    font-weight: bold;
    white-space: nowrap;
  }

  .blog-list__item:nth-child(odd) .blog-list__item-date {
    left: calc(50% + 30px);
  }

  .blog-list__item:nth-child(even) .blog-list__item-date {
    right: calc(50% + 30px);
  }

  .blog-list__item-image {
    width: 100%;
    height: 225px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
    display: block;
  }

  .blog-list__item-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.3;
  }

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

  .blog-list__item-title-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
  }

  .blog-list__item-summary {
    font-size: 15px;
    color: var(--light-text-color);
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .blog-list__item-read-more {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-size: 14px;
  }

  .blog-list__item-read-more:hover {
    background-color: #FFC107;
    color: var(--secondary-color);
  }

  @media (max-width: 1024px) {
    .blog-list__timeline::before {
      left: 20px;
      margin-left: 0;
    }

    .blog-list__item {
      flex-direction: column;
      align-items: flex-start;
      margin-bottom: 30px;
    }

    .blog-list__item:nth-child(even) {
      flex-direction: column;
    }

    .blog-list__item-content-wrapper {
      width: calc(100% - 60px);
      margin-left: 60px;
      margin-right: 0;
      padding: 20px;
    }

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

    .blog-list__item-date {
      left: calc(20px + 30px);
      top: 20px;
      transform: none;
      font-size: 0.8em;
      color: var(--light-text-color);
    }
    
    .blog-list__item-image {
        height: 180px;
    }

    .blog-list__item-title {
        font-size: 18px;
    }

    .blog-list__item-summary {
        font-size: 14px;
        -webkit-line-clamp: 4;
    }
  }

  @media (max-width: 768px) {
    .blog-list__title {
      font-size: 2em;
      margin-bottom: 30px;
    }

    .blog-list__description {
      font-size: 1em;
      margin-bottom: 40px;
    }

    .blog-list__container {
      padding: 15px;
    }

    .blog-list__item-content-wrapper {
      width: calc(100% - 50px);
      margin-left: 50px;
      padding: 15px;
    }

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

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

    .blog-list__item-date {
      left: calc(15px + 25px);
    }
    
    .blog-list__item-image {
        height: 160px;
    }

    .blog-list__item-title {
        font-size: 17px;
    }

    .blog-list__item-summary {
        font-size: 13px;
        -webkit-line-clamp: 5;
    }
  }

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

    .blog-list__description {
      font-size: 0.9em;
    }
    
    .blog-list__item-image {
        height: 140px;
    }
  }