:root {
      --primary-color: #ffcc00; 
      --secondary-color: #007bff; 
      --background-color: #f9f9f9;
      --card-background-color: #ffffff;
      --text-color-dark: #333333;
      --text-color-medium: #666666;
      --text-color-light: #999999;
      --border-color: #e0e0e0;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-hover: rgba(0, 0, 0, 0.15);
      --timeline-line-color: #e0e0e0;
      --timeline-dot-color: var(--primary-color);
    }

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

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

    .blog-list__title {
      text-align: center;
      color: var(--text-color-dark);
      font-size: 2.5em;
      margin-bottom: 40px;
      font-weight: bold;
      position: relative;
      padding-bottom: 15px;
    }

    .blog-list__title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      left: 50%;
      top: 0;
      width: 2px;
      height: 100%;
      background-color: var(--timeline-line-color);
      transform: translateX(-50%);
      z-index: 0;
    }

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

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

    .blog-list__timeline-item:last-child {
      margin-bottom: 0;
    }

    .blog-list__timeline-dot {
      width: 20px;
      height: 20px;
      background-color: var(--timeline-dot-color);
      border: 3px solid var(--card-background-color);
      border-radius: 50%;
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      z-index: 1;
      box-shadow: 0 0 0 4px var(--card-background-color);
    }

    .blog-list__timeline-content-wrapper {
      width: calc(50% - 40px);
      box-sizing: border-box;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content-wrapper {
      padding-right: 60px;
      text-align: right;
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content-wrapper {
      padding-left: 60px;
      text-align: left;
    }

    .blog-list__card {
      background-color: var(--card-background-color);
      border-radius: 12px;
      box-shadow: 0 4px 12px var(--shadow-light);
      transition: all 0.3s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .blog-list__card:hover {
      box-shadow: 0 8px 20px var(--shadow-hover);
      transform: translateY(-3px);
    }

    .blog-list__card-image {
      width: 100%;
      padding-top: 56.25%; 
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

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

    .blog-list__card-date {
      font-size: 14px;
      color: var(--text-color-light);
      margin-bottom: 10px;
      display: block;
    }

    .blog-list__card-title {
      font-size: 20px;
      font-weight: bold;
      color: var(--text-color-dark);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .blog-list__card-title-link {
      text-decoration: none;
      color: inherit;
      transition: color 0.3s ease;
    }

    .blog-list__card-title-link:hover {
      color: var(--primary-color);
    }

    .blog-list__card-summary {
      font-size: 16px;
      color: var(--text-color-medium);
      margin-bottom: 15px;
      flex-grow: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__card-read-more {
      display: inline-block;
      padding: 10px 15px;
      background-color: var(--primary-color);
      color: var(--text-color-dark);
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      align-self: flex-start;
    }

    .blog-list__card-read-more:hover {
      background-color: #e6b800;
      transform: translateY(-2px);
    }

    @media (max-width: 1024px) {
      .blog-list__title {
        font-size: 2em;
      }
      .blog-list__timeline-content-wrapper {
        width: calc(50% - 30px);
      }
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content-wrapper {
        padding-right: 40px;
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content-wrapper {
        padding-left: 40px;
      }
      .blog-list__timeline-dot {
        width: 18px;
        height: 18px;
        border-width: 2px;
      }
      .blog-list__card-title {
        font-size: 18px;
      }
      .blog-list__card-summary {
        font-size: 15px;
      }
      .blog-list__card-read-more {
        padding: 8px 12px;
      }
    }

    @media (max-width: 768px) {
      .blog-list__container {
        padding: 15px;
      }
      .blog-list__title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

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

      .blog-list__timeline-item {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 30px;
      }
      
      .blog-list__timeline-item:nth-child(even) {
        flex-direction: column;
      }

      .blog-list__timeline-dot {
        left: 20px;
        top: 25px;
        transform: translate(-50%, -50%);
      }

      .blog-list__timeline-content-wrapper {
        width: 100%;
        margin-top: 20px;
      }
      
      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content-wrapper,
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content-wrapper {
        padding-right: 0;
        padding-left: 60px;
        text-align: left;
      }

      .blog-list__card-date {
        text-align: left;
      }
      .blog-list__card-read-more {
        align-self: flex-start;
      }
    }

    @media (max-width: 480px) {
      .blog-list__title {
        font-size: 1.5em;
      }
      .blog-list__card-title {
        font-size: 16px;
      }
      .blog-list__card-summary {
        font-size: 14px;
        -webkit-line-clamp: 4;
      }
      .blog-list__card-read-more {
        font-size: 14px;
        padding: 7px 10px;
      }
    }