:root {
      --win777-primary: #FFD700; 
      --win777-secondary: #FFC107; 
      --blog-bg-light: #f7f7f7;
      --blog-bg-white: #ffffff;
      --blog-text-dark: #333333;
      --blog-text-medium: #666666;
      --blog-text-light: #999999;
      --blog-shadow-light: rgba(0, 0, 0, 0.1);
      --blog-shadow-hover: rgba(0, 0, 0, 0.15);
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 60px;
      background-color: var(--blog-bg-light);
      color: var(--blog-text-dark);
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
    }

    .blog-list__hero {
      text-align: center;
      padding: 40px 20px 60px;
      background-color: var(--blog-bg-white);
      margin-bottom: 40px;
      box-shadow: 0 2px 8px var(--blog-shadow-light);
      border-radius: 10px;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      animation: fadeIn 1s ease-out;
    }

    .blog-list__hero-title {
      font-size: 36px;
      color: var(--blog-text-dark);
      margin-bottom: 15px;
      font-weight: bold;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
    }

    .blog-list__hero-description {
      font-size: 18px;
      color: var(--blog-text-medium);
      line-height: 1.7;
      max-width: 800px;
      margin: 0 auto;
    }

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

    .blog-list__timeline::after {
      content: '';
      position: absolute;
      width: 4px;
      background-color: var(--win777-primary);
      top: 0;
      bottom: 0;
      left: 50%;
      margin-left: -2px;
      z-index: 1;
    }

    .blog-list__item {
      padding: 10px 0;
      position: relative;
      width: 50%;
      box-sizing: border-box;
      z-index: 2;
      opacity: 0;
      transform: translateY(20px);
      animation: slideIn 0.6s ease-out forwards;
    }

    .blog-list__item:nth-child(odd) {
      left: 0;
      padding-right: 40px;
      animation-delay: 0.1s;
    }

    .blog-list__item:nth-child(even) {
      left: 50%;
      padding-left: 40px;
      animation-delay: 0.2s;
    }

    .blog-list__item:nth-child(3n+1) { animation-delay: 0.3s; }
    .blog-list__item:nth-child(3n+2) { animation-delay: 0.4s; }
    .blog-list__item:nth-child(3n) { animation-delay: 0.5s; }

    .blog-list__item::after {
      content: '';
      position: absolute;
      width: 20px;
      height: 20px;
      background-color: var(--win777-primary);
      border: 4px solid var(--blog-bg-light);
      top: 30px;
      border-radius: 50%;
      z-index: 3;
      box-shadow: 0 0 0 2px var(--win777-primary);
    }

    .blog-list__item:nth-child(odd)::after {
      right: -10px;
    }

    .blog-list__item:nth-child(even)::after {
      left: -10px;
    }

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

    .blog-list__content-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 6px 16px var(--blog-shadow-hover);
    }

    .blog-list__image-link {
      display: block;
      overflow: hidden;
    }

    .blog-list__image {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .blog-list__content-card:hover .blog-list__image {
      transform: scale(1.08);
    }

    .blog-list__text-content {
      padding: 25px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .blog-list__date {
      font-size: 14px;
      color: var(--blog-text-light);
      margin-bottom: 12px;
      display: block;
      font-weight: 600;
    }

    .blog-list__title {
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 15px;
      line-height: 1.4;
    }

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

    .blog-list__title-link:hover {
      color: var(--win777-primary);
    }

    .blog-list__summary {
      font-size: 16px;
      color: var(--blog-text-medium);
      line-height: 1.7;
      margin-bottom: 20px;
      overflow: hidden;
      text-overflow: ellipsis;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      flex-grow: 1;
    }

    .blog-list__read-more-button {
      display: inline-block;
      background-color: var(--win777-primary);
      color: var(--blog-text-dark);
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 16px;
      transition: background-color 0.3s ease, transform 0.2s ease;
      align-self: flex-start;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .blog-list__read-more-button:hover {
      background-color: var(--win777-secondary);
      transform: translateY(-2px);
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @keyframes slideIn {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @media (max-width: 1024px) {
      .blog-list__hero-title {
        font-size: 30px;
      }

      .blog-list__hero-description {
        font-size: 17px;
      }

      .blog-list__timeline::after {
        left: 20px;
        margin-left: 0;
      }

      .blog-list__item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px;
        padding-right: 20px;
      }

      .blog-list__item::after {
        left: 10px;
        right: auto;
      }

      .blog-list__item:nth-child(odd)::after,
      .blog-list__item:nth-child(even)::after {
        left: 10px;
      }

      .blog-list__content-card {
        flex-direction: row;
        align-items: flex-start;
      }

      .blog-list__image-link {
        flex: 0 0 35%;
        max-width: 250px;
        min-width: 150px;
      }

      .blog-list__image {
        aspect-ratio: 4 / 3;
        border-radius: 10px 0 0 10px;
      }

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

      .blog-list__title {
        font-size: 20px;
      }

      .blog-list__summary {
        font-size: 15px;
        -webkit-line-clamp: 2;
      }

      .blog-list__read-more-button {
        padding: 10px 20px;
        font-size: 15px;
      }
    }

    @media (max-width: 767px) {
      .blog-list {
        padding-top: var(--header-offset, 120px);
        padding-left: 15px;
        padding-right: 15px;
      }

      .blog-list__hero {
        padding: 30px 15px 40px;
        margin-bottom: 30px;
      }

      .blog-list__hero-title {
        font-size: 26px;
      }

      .blog-list__hero-description {
        font-size: 16px;
      }

      .blog-list__timeline::after {
        left: 15px;
      }

      .blog-list__item {
        padding-left: 50px;
        padding-right: 0;
      }

      .blog-list__item::after {
        left: 5px;
        width: 16px;
        height: 16px;
        border: 3px solid var(--blog-bg-light);
      }

      .blog-list__content-card {
        flex-direction: column;
      }

      .blog-list__image-link {
        flex: none;
        max-width: 100%;
      }

      .blog-list__image {
        border-radius: 10px 10px 0 0;
        aspect-ratio: 16 / 9;
      }

      .blog-list__text-content {
        padding: 18px;
      }

      .blog-list__date {
        font-size: 13px;
      }

      .blog-list__title {
        font-size: 18px;
      }

      .blog-list__summary {
        font-size: 14px;
        -webkit-line-clamp: 3;
      }

      .blog-list__read-more-button {
        padding: 10px 18px;
        font-size: 14px;
      }
    }