:root {
      --blog-list__bg-color: #1a1a1a;
      --blog-list__card-bg-color: #2a2a2a;
      --blog-list__text-color: #f0f0f0;
      --blog-list__link-color: #ffd700; 
      --blog-list__link-hover-color: #ffeb80; 
      --blog-list__date-color: #b0b0b0;
      --blog-list__summary-color: #cccccc;
      --blog-list__border-radius: 10px;
      --blog-list__shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      --blog-list__shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.5);
      --blog-list__timeline-line-color: #444;
      --blog-list__timeline-dot-color: #ffd700;
    }

    .blog-list {
      background-color: var(--blog-list__bg-color);
      color: var(--blog-list__text-color);
      padding: 20px 15px;
      padding-top: var(--header-offset, 120px);
      min-height: calc(100vh - var(--header-offset, 120px));
    }

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

    .blog-list__main-title {
      font-size: 2.5em;
      text-align: center;
      margin-bottom: 15px;
      color: var(--blog-list__link-color);
      font-weight: bold;
    }

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

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

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

    .blog-list__item {
      display: flex;
      position: relative;
      margin-bottom: 40px;
      justify-content: space-between;
      align-items: center;
    }

    .blog-list__item::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 18px;
      height: 18px;
      background-color: var(--blog-list__timeline-dot-color);
      border: 3px solid var(--blog-list__card-bg-color);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      z-index: 2;
    }

    .blog-list__item-date {
      position: absolute;
      width: calc(50% - 40px);
      text-align: right;
      padding-right: 20px;
      box-sizing: border-box;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      z-index: 3;
    }

    .blog-list__date-text {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--blog-list__date-color);
    }

    .blog-list__card {
      width: calc(50% - 40px);
      background-color: var(--blog-list__card-bg-color);
      border-radius: var(--blog-list__border-radius);
      box-shadow: var(--blog-list__shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      position: relative;
      padding: 20px;
      box-sizing: border-box;
    }

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

    .blog-list__item:nth-child(odd) .blog-list__card {
      margin-left: calc(50% + 40px);
    }

    .blog-list__item:nth-child(even) .blog-list__item-date {
      left: auto;
      right: 0;
      text-align: left;
      padding-left: 20px;
      padding-right: 0;
    }

    .blog-list__item:nth-child(even) .blog-list__card {
      margin-right: calc(50% + 40px);
    }

    .blog-list__card-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      margin-bottom: 15px;
      background-color: #333;
      border-radius: var(--blog-list__border-radius);
      overflow: hidden;
    }

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

    .blog-list__card-content {
      padding: 0;
    }

    .blog-list__card-title {
      font-size: 1.3em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

    .blog-list__card-link:hover {
      color: var(--blog-list__link-hover-color);
      text-decoration: underline;
    }

    .blog-list__card-summary {
      font-size: 0.95em;
      color: var(--blog-list__summary-color);
      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__card-read-more {
      display: inline-block;
      background-color: var(--blog-list__link-color);
      color: var(--blog-list__card-bg-color);
      padding: 8px 15px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, color 0.3s ease;
      font-size: 0.9em;
    }

    .blog-list__card-read-more:hover {
      background-color: var(--blog-list__link-hover-color);
      color: #1a1a1a;
    }

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

      .blog-list__item {
        flex-direction: column;
        align-items: flex-start;
      }

      .blog-list__item-date {
        position: relative;
        width: 100%;
        text-align: left;
        padding-left: 40px;
        padding-right: 0;
        top: auto;
        left: auto;
        transform: none;
        margin-bottom: 15px;
      }
      
      .blog-list__item::after {
        left: 20px;
        transform: translate(-50%, -50%);
      }

      .blog-list__card {
        width: calc(100% - 40px);
        margin-left: 40px !important;
        margin-right: 0 !important;
        padding: 15px;
      }

      .blog-list__item:nth-child(even) .blog-list__item-date {
        text-align: left;
        padding-left: 40px;
      }
    }

    @media (max-width: 768px) {
      .blog-list {
        padding: 15px 10px;
        padding-top: var(--header-offset, 120px);
      }

      .blog-list__main-title {
        font-size: 2em;
      }

      .blog-list__description {
        font-size: 1em;
        margin-bottom: 30px;
      }

      .blog-list__date-text {
        font-size: 1em;
      }

      .blog-list__card-title {
        font-size: 1.15em;
      }

      .blog-list__card-summary {
        font-size: 0.9em;
        -webkit-line-clamp: 4;
      }

      .blog-list__card-read-more {
        padding: 7px 12px;
        font-size: 0.85em;
      }
    }

    @media (max-width: 480px) {
      .blog-list__timeline::before {
        left: 15px;
      }
      .blog-list__item::after {
        left: 15px;
      }
      .blog-list__item-date {
        padding-left: 30px;
      }
      .blog-list__card {
        width: calc(100% - 30px);
        margin-left: 30px !important;
      }
    }