:root {
      --color-background: hsl(0, 0%, 98%);
      --color-text-primary: hsl(210, 20%, 15%);
      --color-text-secondary: hsl(210, 10%, 40%);
      --color-accent-primary: hsl(350, 70%, 30%);
      --color-border: hsl(210, 10%, 90%);
      --color-shadow: rgba(0, 0, 0, 0.08);
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--color-background);
      color: var(--color-text-primary);
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 15px;
      padding-right: 15px;
    }

    .blog-list__header {
      text-align: center;
      margin-bottom: 40px;
      padding: 20px 0;
    }

    .blog-list__title {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--color-text-primary);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--color-text-secondary);
      max-width: 700px;
      margin: 0 auto;
    }

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

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      left: 20px;
      width: 2px;
      height: 100%;
      background-color: var(--color-border);
      z-index: 0;
    }

    .blog-list__item {
      display: flex;
      margin-bottom: 30px;
      position: relative;
    }

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

    .blog-list__item-date {
      flex-shrink: 0;
      width: 80px;
      text-align: right;
      padding-right: 25px;
      position: relative;
      font-size: 0.85em;
      color: var(--color-text-secondary);
      font-weight: bold;
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }

    .blog-list__item-date::after {
      content: '';
      position: absolute;
      right: -7px;
      top: 50%;
      transform: translateY(-50%);
      width: 12px;
      height: 12px;
      background-color: var(--color-accent-primary);
      border: 2px solid var(--color-background);
      border-radius: 50%;
      z-index: 1;
    }

    .blog-list__item-content {
      flex-grow: 1;
      background-color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--color-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding: 20px;
      margin-left: 20px;
    }

    .blog-list__item-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    }

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 15px;
      background-color: var(--color-border);
    }

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

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

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

    .blog-list__item-title a:hover {
      color: var(--color-accent-primary);
    }

    .blog-list__item-summary {
      font-size: 0.95em;
      color: var(--color-text-secondary);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .blog-list__item-read-more {
      display: inline-block;
      background-color: var(--color-accent-primary);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      min-width: 120px;
      text-align: center;
    }

    .blog-list__item-read-more:hover {
      background-color: hsl(350, 70%, 20%);
    }

    @media (min-width: 768px) {
      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__item {
        justify-content: center;
      }

      .blog-list__item-date {
        position: absolute;
        width: 150px;
        top: 0;
        left: calc(50% - 150px);
        transform: translateY(0);
        text-align: right;
        padding-right: 40px;
        justify-content: flex-end;
        font-size: 0.95em;
      }

      .blog-list__item-date::after {
        right: -9px;
      }

      .blog-list__item-content {
        width: calc(50% - 40px);
        margin-left: calc(50% + 20px);
        padding: 25px;
      }

      .blog-list__item:nth-child(even) .blog-list__item-date {
        left: calc(50% + 20px);
        text-align: left;
        padding-left: 40px;
        padding-right: 0;
        justify-content: flex-start;
      }

      .blog-list__item:nth-child(even) .blog-list__item-date::after {
        left: -9px;
        right: auto;
      }

      .blog-list__item:nth-child(even) .blog-list__item-content {
        margin-left: 0;
        margin-right: calc(50% + 20px);
      }
    }

    @media (min-width: 1024px) {
      .blog-list__title {
        font-size: 3em;
      }
      .blog-list__description {
        font-size: 1.2em;
      }
      .blog-list__item-title {
        font-size: 1.4em;
      }
    }