:root {
      --blog-list-primary-color: #004085; 
      --blog-list-text-color: #333333;
      --blog-list-summary-color: #555555;
      --blog-list-date-color: #555555;
      --blog-list-background-color: #ffffff;
      --blog-list-card-background: #ffffff;
      --blog-list-border-color: #e0e0e0;
      --blog-list-shadow-color: rgba(0, 0, 0, 0.08);
      --blog-list-hover-shadow-color: rgba(0, 0, 0, 0.15);
    }

    .blog-list__wrapper {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 15px;
      padding-right: 15px;
      background-color: var(--blog-list-background-color);
      color: var(--blog-list-text-color);
    }

    .blog-list__main-title {
      font-size: 2.2em;
      color: var(--blog-list-primary-color);
      text-align: center;
      margin-bottom: 15px;
      padding-top: 20px;
      font-weight: 700;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--blog-list-summary-color);
      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-left: 20px;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 2px;
      height: 100%;
      background-color: var(--blog-list-border-color);
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 40px;
      padding-left: 30px; 
    }

    .blog-list__timeline-point {
      content: '';
      position: absolute;
      top: 15px;
      left: -9px;
      width: 18px;
      height: 18px;
      background-color: var(--blog-list-primary-color);
      border-radius: 50%;
      border: 3px solid var(--blog-list-background-color);
      z-index: 1;
    }

    .blog-list__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;
      display: flex;
      flex-direction: column;
      border: 1px solid var(--blog-list-border-color);
    }

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

    .blog-list__image-link {
      display: block;
      width: 100%;
      height: 225px; 
      overflow: hidden;
      position: relative;
    }

    .blog-list__image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .blog-list__card:hover .blog-list__image {
      transform: scale(1.05);
    }

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

    .blog-list__date {
      font-size: 0.85em;
      color: var(--blog-list-date-color);
      margin-bottom: 10px;
      display: block;
      text-align: right;
    }

    .blog-list__title {
      font-size: 1.4em;
      margin-top: 0;
      margin-bottom: 10px;
      line-height: 1.3;
      font-weight: 700;
    }

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

    .blog-list__title-link:hover {
      color: var(--blog-list-primary-color);
    }

    .blog-list__summary {
      font-size: 0.95em;
      color: var(--blog-list-summary-color);
      line-height: 1.5;
      margin-bottom: 15px;
      flex-grow: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3; 
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__read-more {
      display: inline-block;
      padding: 10px 20px;
      background-color: var(--blog-list-primary-color);
      color: #ffffff;
      text-decoration: none;
      border-radius: 8px;
      font-size: 0.9em;
      font-weight: 600;
      transition: background-color 0.3s ease, transform 0.3s ease;
      align-self: flex-start;
    }

    .blog-list__read-more:hover {
      background-color: #0056b3; 
      transform: translateY(-2px);
    }

    @media (min-width: 768px) {
      .blog-list__timeline {
        padding-left: 50px;
      }

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

      .blog-list__item {
        padding-left: 80px; 
        display: flex;
        align-items: flex-start;
        margin-bottom: 60px;
      }

      .blog-list__timeline-point {
        left: 11px;
        top: 25px; 
        width: 22px;
        height: 22px;
        border-width: 4px;
      }

      .blog-list__card {
        flex-direction: row;
        width: calc(100% - 80px);
        max-width: 100%;
        min-height: 200px;
      }

      .blog-list__image-link {
        flex: 0 0 40%;
        height: auto;
      }

      .blog-list__content {
        flex: 1;
        padding: 25px;
      }

      .blog-list__date {
        position: absolute;
        left: -120px; 
        top: 25px;
        width: 100px;
        text-align: right;
        font-size: 0.9em;
      }

      .blog-list__title {
        font-size: 1.5em;
      }

      .blog-list__summary {
        -webkit-line-clamp: 4; 
      }
    }

    @media (min-width: 1024px) {
      .blog-list__main-title {
        font-size: 2.8em;
      }

      .blog-list__description {
        font-size: 1.2em;
      }

      .blog-list__timeline {
        display: grid;
        grid-template-columns: 1fr 2px 1fr; 
        gap: 40px;
        padding-left: 0;
        padding-right: 0;
      }

      .blog-list__timeline::before {
        left: calc(50% - 1px);
      }

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

      .blog-list__item:nth-child(odd) {
        grid-column: 1 / 2;
        text-align: right;
      }

      .blog-list__item:nth-child(even) {
        grid-column: 3 / 4;
        text-align: left;
      }

      .blog-list__timeline-point {
        left: calc(50% - 11px); 
        top: 25px;
      }

      .blog-list__item:nth-child(odd) .blog-list__timeline-point {
        transform: translateX(calc(50% + 20px)); 
      }

      .blog-list__item:nth-child(even) .blog-list__timeline-point {
        transform: translateX(calc(-50% - 20px)); 
      }

      .blog-list__card {
        width: 100%;
        max-width: 550px; 
        margin-left: auto;
        margin-right: auto;
      }

      .blog-list__item:nth-child(odd) .blog-list__card {
        margin-right: 0;
      }

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

      .blog-list__date {
        position: static;
        width: auto;
        margin-bottom: 15px;
        font-size: 0.95em;
        color: var(--blog-list-date-color);
        text-align: inherit;
      }

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

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

      .blog-list__card {
        flex-direction: row;
        height: auto;
      }

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

      .blog-list__image-link {
        flex: 0 0 45%;
        height: 200px;
      }

      .blog-list__content {
        flex: 1;
        padding: 25px;
        text-align: inherit;
      }

      .blog-list__read-more {
        align-self: flex-start;
      }

      .blog-list__item:nth-child(odd) .blog-list__read-more {
        align-self: flex-end;
      }

      .blog-list__summary {
        -webkit-line-clamp: 5; 
      }
    }