:root {
      --primary-color: #007bff;
      --secondary-color: #f0f0f0;
      --text-dark: #333333;
      --text-medium: #666666;
      --text-light: #999999;
      --border-color: #e0e0e0;
      --shadow-light: rgba(0, 0, 0, 0.1);
      --shadow-hover: rgba(0, 0, 0, 0.2);
      --timeline-line-color: #e0e0e0;
      --timeline-marker-color: var(--primary-color);
    }

    .blog-list {
      font-family: Arial, sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      padding-top: var(--header-offset, 120px);
      background-color: #ffffff;
      min-height: 100vh;
      padding-bottom: 40px;
    }

    .blog-list__hero {
      background: linear-gradient(135deg, #007bff, #0056b3);
      color: #ffffff;
      padding: 60px 20px;
      text-align: center;
      margin-bottom: 40px;
      border-radius: 0 0 15px 15px;
    }

    .blog-list__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      font-weight: bold;
      color: #ffffff;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto;
      opacity: 0.9;
    }

    .blog-list__container {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 20px;
    }

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

    .blog-list__item {
      display: flex;
      position: relative;
      margin-bottom: 50px;
      justify-content: center;
    }

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

    .blog-list__date-wrapper {
      position: absolute;
      left: 50%;
      top: 0;
      transform: translateX(-50%);
      z-index: 1;
      text-align: center;
      color: var(--text-dark);
      font-weight: bold;
      font-size: 0.9em;
      white-space: nowrap;
      padding: 5px 10px;
      background-color: #ffffff;
      border: 2px solid var(--timeline-marker-color);
      border-radius: 20px;
      box-shadow: 0 2px 5px var(--shadow-light);
    }

    .blog-list__date {
      display: block;
      font-size: 0.9em;
      color: var(--text-dark);
    }

    .blog-list__content-card {
      background-color: #ffffff;
      border-radius: 12px;
      box-shadow: 0 4px 15px var(--shadow-light);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: calc(50% - 40px);
      position: relative;
      margin-top: 50px;
    }

    .blog-list__item:nth-child(odd) .blog-list__content-card {
      margin-right: calc(50% + 20px - (50% - 40px));
      align-self: flex-start;
    }

    .blog-list__item:nth-child(even) .blog-list__content-card {
      margin-left: calc(50% + 20px - (50% - 40px));
      align-self: flex-end;
    }

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

    .blog-list__image-link {
      display: block;
      width: 100%;
      height: 225px;
      overflow: hidden;
      background-color: var(--secondary-color);
    }

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

    .blog-list__image-placeholder {
      width: 100%;
      height: 100%;
      background-color: var(--secondary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-light);
      font-size: 1.2em;
      text-align: center;
    }

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

    .blog-list__text-content {
      padding: 20px;
    }

    .blog-list__title {
      font-size: 1.25em;
      margin-bottom: 10px;
      font-weight: bold;
      line-height: 1.3;
    }

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

    .blog-list__title-link:hover {
      color: #0056b3;
      text-decoration: underline;
    }

    .blog-list__summary {
      font-size: 0.95em;
      color: var(--text-medium);
      margin-bottom: 15px;
      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(--primary-color);
      color: #ffffff;
      padding: 10px 15px;
      border-radius: 8px;
      text-decoration: none;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more:hover {
      background-color: #0056b3;
    }

    @media (max-width: 1024px) {
      .blog-list__hero-title {
        font-size: 2em;
      }

      .blog-list__container::before {
        left: 20px;
        transform: translateX(0);
      }

      .blog-list__item {
        justify-content: flex-start;
        flex-direction: row !important;
      }

      .blog-list__date-wrapper {
        left: 20px;
        transform: translateX(-50%);
        top: 20px;
        position: relative;
        margin-right: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 60px;
        width: 60px;
        border-radius: 50%;
        font-size: 0.8em;
        padding: 0;
        flex-shrink: 0;
      }

      .blog-list__date {
        line-height: 1.2;
        white-space: normal;
      }

      .blog-list__content-card {
        width: calc(100% - 100px);
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-top: 0;
      }
    }

    @media (max-width: 768px) {
      .blog-list__hero {
        padding: 40px 15px;
      }

      .blog-list__hero-title {
        font-size: 1.8em;
      }

      .blog-list__hero-description {
        font-size: 1em;
      }

      .blog-list__container {
        padding: 0 15px;
      }

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

      .blog-list__item {
        margin-bottom: 40px;
      }

      .blog-list__date-wrapper {
        left: 15px;
        width: 50px;
        height: 50px;
        font-size: 0.75em;
        margin-right: 15px;
      }

      .blog-list__content-card {
        width: calc(100% - 80px);
        height: auto;
      }

      .blog-list__image-link {
        height: 180px;
      }

      .blog-list__title {
        font-size: 1.15em;
      }

      .blog-list__summary {
        font-size: 0.9em;
      }
    }

    @media (max-width: 480px) {
      .blog-list__hero-title {
        font-size: 1.5em;
      }

      .blog-list__hero-description {
        font-size: 0.9em;
      }

      .blog-list__date-wrapper {
        width: 45px;
        height: 45px;
        font-size: 0.7em;
        margin-right: 10px;
      }

      .blog-list__content-card {
        width: calc(100% - 70px);
      }

      .blog-list__image-link {
        height: 150px;
      }

      .blog-list__title {
        font-size: 1em;
      }

      .blog-list__text-content {
        padding: 15px;
      }

      .blog-list__read-more {
        padding: 8px 12px;
        font-size: 0.85em;
      }
    }