:root {
      --blog-list__primary-color: #FFD700;
      --blog-list__secondary-color: #333333;
      --blog-list__tertiary-color: #666666;
      --blog-list__quaternary-color: #999999;
      --blog-list__background-color: #F0F2F5;
      --blog-list__card-background: #FFFFFF;
      --blog-list__border-color: #E0E0E0;
      --blog-list__shadow-color: rgba(0, 0, 0, 0.1);
      --blog-list__hover-shadow-color: rgba(0, 0, 0, 0.2);
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 60px;
      background-color: var(--blog-list__background-color);
      min-height: 100vh;
      font-family: 'Arial', sans-serif;
      color: var(--blog-list__secondary-color);
      line-height: 1.6;
    }

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

    .blog-list__title {
      text-align: center;
      font-size: 2.5em;
      color: var(--blog-list__primary-color);
      margin-bottom: 20px;
      padding-top: 30px;
      font-weight: bold;
    }

    .blog-list__description {
      text-align: center;
      font-size: 1.1em;
      color: var(--blog-list__tertiary-color);
      margin-bottom: 50px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.6;
    }

    .blog-list__timeline {
      position: relative;
      padding-left: 60px;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      left: 20px;
      width: 4px;
      height: 100%;
      background-color: var(--blog-list__border-color);
      z-index: 1;
    }

    .blog-list__timeline-item {
      margin-bottom: 40px;
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .blog-list__timeline-item::before {
      content: '';
      position: absolute;
      top: 15px;
      left: -40px;
      width: 24px;
      height: 24px;
      background-color: var(--blog-list__primary-color);
      border: 4px solid var(--blog-list__card-background);
      border-radius: 50%;
      z-index: 2;
      box-shadow: 0 0 0 2px var(--blog-list__primary-color);
    }

    .blog-list__item-date {
      position: absolute;
      top: 18px;
      left: -160px;
      font-size: 0.9em;
      color: var(--blog-list__quaternary-color);
      white-space: nowrap;
      width: 90px;
      text-align: right;
    }

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

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

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-top: 56.25%;
      position: relative;
      overflow: hidden;
    }

    .blog-list__item-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .blog-list__item-content {
      padding: 25px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .blog-list__item-title {
      font-size: 1.4em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

    .blog-list__item-title-link:hover {
      color: var(--blog-list__primary-color);
    }

    .blog-list__item-summary {
      font-size: 1em;
      color: var(--blog-list__tertiary-color);
      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-link {
      display: inline-block;
      margin-top: auto;
      color: var(--blog-list__primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .blog-list__read-more-link:hover {
      color: var(--blog-list__secondary-color);
    }

    @media (min-width: 768px) {
      .blog-list__timeline {
        padding-left: 200px;
      }

      .blog-list__timeline::before {
        left: 100px;
      }

      .blog-list__timeline-item::before {
        left: 80px;
      }

      .blog-list__item-date {
        left: -10px;
        width: 90px;
        text-align: right;
      }

      .blog-list__item-card {
        flex-direction: row;
        height: 200px;
      }

      .blog-list__item-image-wrapper {
        width: 40%;
        min-width: 40%;
        height: 100%;
        padding-top: 0;
      }

      .blog-list__item-content {
        width: 60%;
        padding: 20px;
      }
      .blog-list__item-title {
        font-size: 1.2em;
      }
      .blog-list__item-summary {
        font-size: 0.95em;
        -webkit-line-clamp: 4;
      }
    }

    @media (min-width: 1025px) {
      .blog-list__timeline {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        padding-left: 0;
      }

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

      .blog-list__timeline-item {
        margin-bottom: 0;
        padding-left: 0;
      }

      .blog-list__timeline-item::before {
        content: none;
      }

      .blog-list__item-date {
        position: static;
        margin-bottom: 10px;
        text-align: left;
        width: auto;
        font-size: 0.85em;
        color: var(--blog-list__quaternary-color);
      }

      .blog-list__item-card {
        height: 250px;
        flex-direction: row;
      }
      .blog-list__item-title {
        font-size: 1.5em;
      }
      .blog-list__item-summary {
        font-size: 1em;
        -webkit-line-clamp: 5;
      }
    }