:root {
      --color-primary: #e60000;
      --color-primary-dark: #cc0000;
      --color-accent: #ffcc00;
      --color-text-dark: #333333;
      --color-text-medium: #666666;
      --color-text-light: #999999;
      --color-background-light: #f5f5f5;
      --color-white: #ffffff;
      --border-radius-base: 10px;
      --shadow-base: 0 4px 12px rgba(0, 0, 0, 0.08);
      --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
      --header-offset: 120px;
    }

    .blog-list {
      padding-top: var(--header-offset);
      background-color: var(--color-background-light);
      padding-bottom: 40px;
      min-height: 80vh;
    }

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

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

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

    .blog-list__description {
      font-size: 1.1em;
      color: var(--color-text-medium);
      line-height: 1.6;
      max-width: 800px;
      margin: 0 auto;
    }

    .blog-list__timeline {
      position: relative;
      margin-top: 20px;
      padding-bottom: 20px;
    }

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

    .blog-list__item {
      display: flex;
      flex-direction: column;
      background-color: var(--color-white);
      border-radius: var(--border-radius-base);
      box-shadow: var(--shadow-base);
      margin-bottom: 30px;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .blog-list__item-date {
      position: absolute;
      top: 20px;
      left: 20px;
      background-color: var(--color-primary);
      color: var(--color-white);
      padding: 8px 15px;
      border-radius: var(--border-radius-base);
      font-size: 0.85em;
      font-weight: bold;
      z-index: 2;
      white-space: nowrap;
    }

    .blog-list__item-content {
      display: flex;
      flex-direction: column;
      padding: 20px;
    }

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      background-color: #eee;
      border-radius: calc(var(--border-radius-base) - 2px);
      overflow: hidden;
      margin-bottom: 20px;
    }

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

    .blog-list__item-info {
      padding: 0 10px;
    }

    .blog-list__item-title {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

    .blog-list__item-summary {
      font-size: 0.95em;
      color: var(--color-text-medium);
      line-height: 1.6;
      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-primary);
      color: var(--color-white);
      padding: 10px 20px;
      border-radius: var(--border-radius-base);
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      align-self: flex-start;
    }

    .blog-list__item-read-more:hover {
      background-color: var(--color-primary-dark);
    }

    @media (max-width: 767px) {
      .blog-list__title {
        font-size: 2em;
      }

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

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

      .blog-list__item {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding-left: 40px;
      }
      
      .blog-list__item-date {
        left: 40px;
        transform: translateX(-50%);
        top: 0px;
        border-radius: 0 0 var(--border-radius-base) var(--border-radius-base);
        padding: 5px 10px;
      }
      .blog-list__item-content {
        padding-top: 60px;
      }
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .blog-list__container {
        padding: 20px 40px;
      }

      .blog-list__timeline::before {
        left: 50%;
      }

      .blog-list__item {
        max-width: calc(50% - 20px);
        margin-left: 10px;
        margin-right: 10px;
      }

      .blog-list__item:nth-child(even) {
        margin-left: calc(50% + 10px);
      }

      .blog-list__item:nth-child(odd) {
        margin-right: calc(50% + 10px);
      }
      
      .blog-list__item-date {
        left: auto;
        right: 20px;
        transform: none;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__container {
        padding: 20px 60px;
      }

      .blog-list__timeline::before {
        display: none;
      }

      .blog-list__timeline {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
      }

      .blog-list__item {
        max-width: 100%;
        margin: 0;
        position: relative;
      }

      .blog-list__item-date {
        left: 20px;
        right: auto;
        transform: none;
      }
    }