:root {
      --blog-list__primary-bg: #1a1a2e;
      --blog-list__secondary-bg: #2c3e50;
      --blog-list__text-color: #f0f0f0;
      --blog-list__accent-color: #ffcc00;
      --blog-list__summary-color: #cccccc;
      --blog-list__date-color: #999999;
      --blog-list__border-color: #3f51b5;
      --blog-list__shadow-color: rgba(0, 0, 0, 0.2);
      --blog-list__hover-shadow-color: rgba(0, 0, 0, 0.4);
      --blog-list__card-border-radius: 12px;
      --blog-list__spacing-medium: 24px;
      --blog-list__spacing-large: 48px;
    }

    
    .blog-list {
      background-color: var(--blog-list__primary-bg);
      color: var(--blog-list__text-color);
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      padding-bottom: var(--blog-list__spacing-large);
      min-height: 100vh;
    }

    
    .blog-list__hero {
      padding: var(--header-offset, 120px) var(--blog-list__spacing-medium) var(--blog-list__spacing-large);
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .blog-list__hero-title {
      font-size: 2.5em;
      color: var(--blog-list__accent-color);
      margin-bottom: var(--blog-list__spacing-medium);
      line-height: 1.2;
      font-weight: bold;
    }

    .blog-list__hero-description {
      font-size: 1.1em;
      color: var(--blog-list__summary-color);
      max-width: 700px;
      margin: 0 auto;
    }

    
    .blog-list__section {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--blog-list__spacing-medium);
    }

    
    .blog-list__timeline {
      position: relative;
      padding: var(--blog-list__spacing-large) 0;
    }

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

    
    .blog-list__item {
      position: relative;
      margin-bottom: var(--blog-list__spacing-large);
      display: flex;
      align-items: flex-start;
      z-index: 1;
    }

    
    .blog-list__date-wrapper {
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      height: 40px;
      background-color: var(--blog-list__accent-color);
      border-radius: var(--blog-list__card-border-radius);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px var(--blog-list__shadow-color);
      z-index: 2;
      padding: 5px;
    }

    .blog-list__date {
      color: var(--blog-list__primary-bg);
      font-size: 0.85em;
      font-weight: bold;
      text-align: center;
      white-space: nowrap;
    }

    
    .blog-list__card {
      background-color: var(--blog-list__secondary-bg);
      border-radius: var(--blog-list__card-border-radius);
      box-shadow: 0 4px 15px var(--blog-list__shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      margin-top: 60px;
    }

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

    .blog-list__card-link {
      text-decoration: none;
      color: inherit;
      display: block;
    }

    .blog-list__card-image-wrapper {
      width: 100%;
      padding-top: 56.25%; 
      position: relative;
      overflow: hidden;
    }

    .blog-list__card-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-top-left-radius: var(--blog-list__card-border-radius);
      border-top-right-radius: var(--blog-list__card-border-radius);
      transition: transform 0.3s ease;
    }

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

    .blog-list__card-content {
      padding: var(--blog-list__spacing-medium);
    }

    .blog-list__card-title {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      color: var(--blog-list__text-color);
      line-height: 1.3;
    }

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

    .blog-list__read-more {
      display: inline-block;
      color: var(--blog-list__accent-color);
      font-weight: bold;
      font-size: 0.9em;
      transition: color 0.3s ease;
    }

    .blog-list__read-more:hover {
      color: #ffe066;
    }

    
    
    @media (max-width: 767px) {
      .blog-list__hero-title {
        font-size: 2em;
      }
      .blog-list__hero-description {
        font-size: 1em;
      }

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

      .blog-list__item {
        padding-left: 50px;
        justify-content: flex-start;
      }

      .blog-list__date-wrapper {
        left: 20px;
        transform: translateX(-50%);
        width: 90px;
        height: 35px;
      }
      .blog-list__date {
        font-size: 0.8em;
      }

      .blog-list__card {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
      }

      .blog-list__card-image-wrapper {
        padding-top: 66.66%; 
      }
    }

    
    @media (min-width: 768px) and (max-width: 1024px) {
      .blog-list__timeline::before {
        left: 30px;
        transform: translateX(0);
      }

      .blog-list__item {
        padding-left: 70px;
        justify-content: flex-start;
      }

      .blog-list__date-wrapper {
        left: 30px;
        transform: translateX(-50%);
        width: 100px;
        height: 40px;
      }
      .blog-list__date {
        font-size: 0.85em;
      }

      .blog-list__card {
        max-width: 80%;
        margin-left: 0;
        margin-right: 0;
      }
    }

    
    @media (min-width: 1025px) {
      .blog-list__timeline::before {
        left: 50%;
      }

      .blog-list__item {
        display: flex;
        justify-content: center;
        padding-left: 0;
        align-items: flex-start;
      }

      .blog-list__date-wrapper {
        left: 50%;
        width: 120px;
        height: 50px;
        font-size: 1em;
      }
      .blog-list__date {
        font-size: 1em;
      }
      .blog-list__card {
        max-width: 45%;
        margin-top: 60px;
      }

      
      .blog-list__item:nth-child(odd) {
        justify-content: flex-start;
      }
      .blog-list__item:nth-child(odd) .blog-list__card {
        margin-right: calc(50% + 20px);
        margin-left: 0;
      }
      .blog-list__item:nth-child(odd) .blog-list__date-wrapper {
          left: calc(50% + 60px);
          transform: translateX(-50%);
      }
      .blog-list__item:nth-child(odd) .blog-list__date-wrapper::after {
          content: '';
          position: absolute;
          width: 0;
          height: 0;
          border-style: solid;
          border-width: 10px 0 10px 10px;
          border-color: transparent transparent transparent var(--blog-list__accent-color);
          top: 50%;
          transform: translateY(-50%);
          left: -10px;
          z-index: 1;
      }

      
      .blog-list__item:nth-child(even) {
        justify-content: flex-end;
      }
      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: calc(50% + 20px);
        margin-right: 0;
      }
      .blog-list__item:nth-child(even) .blog-list__date-wrapper {
          left: calc(50% - 60px);
          transform: translateX(-50%);
      }
      .blog-list__item:nth-child(even) .blog-list__date-wrapper::after {
          content: '';
          position: absolute;
          width: 0;
          height: 0;
          border-style: solid;
          border-width: 10px 10px 10px 0;
          border-color: transparent var(--blog-list__accent-color) transparent transparent;
          top: 50%;
          transform: translateY(-50%);
          right: -10px;
          z-index: 1;
      }
    }